CN112011284B - Ageing-resistant waterproof construction convenient to construction - Google Patents
Ageing-resistant waterproof construction convenient to construction Download PDFInfo
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- CN112011284B CN112011284B CN202010889875.7A CN202010889875A CN112011284B CN 112011284 B CN112011284 B CN 112011284B CN 202010889875 A CN202010889875 A CN 202010889875A CN 112011284 B CN112011284 B CN 112011284B
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- polyvinyl chloride
- parts
- woven fabric
- hot
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J1/00—Adhesives based on inorganic constituents
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/02—Polyureas
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
- C09J2423/10—Presence of homo or copolymers of propene
- C09J2423/106—Presence of homo or copolymers of propene in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2427/00—Presence of halogenated polymer
- C09J2427/006—Presence of halogenated polymer in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Polymers & Plastics (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Medicinal Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses an ageing-resistant waterproof structure convenient to construct, which comprises a spraying auxiliary layer formed by mutually lap-jointing a plurality of spraying auxiliary coiled materials; the lap joint areas of the two adjacent auxiliary spraying coiled materials are bonded through an adhesive; the top surface of the spraying auxiliary layer is sprayed or smeared with a polyurethane layer, and the top surface of the polyurethane layer is sprayed with a polyurea protective layer; the bottom surface of the spraying auxiliary layer is bonded with the area to be constructed through an adhesive layer made of cement-based adhesive or cement paste; the spraying auxiliary coiled material comprises a polyvinyl chloride soft layer with the thickness of 0.5-0.9 mm, polypropylene non-woven fabrics with mesh structures and compounded on the top surface of the polyvinyl chloride soft layer in a hot-pressing mode, and polyester fabrics with the bottom surface being a rough surface and compounded on the bottom surface of the polyvinyl chloride soft layer in a hot-pressing mode. The invention can solve the problem of poor combination of spraying polyurea or polyurethane under the condition that the construction area is moist or has dust, sand and other sundries or the working surface is not a flat surface.
Description
Technical Field
The invention relates to a waterproof structure for constructional engineering, belonging to the class of constructional engineering.
Background
The waterproof material is widely used in construction, water conservancy and other engineering, and is mainly divided into asphalt coiled materials, high polymer sheets, sealing materials, waterproof coating materials and special waterproof materials for special purposes.
The composite waterproof coiled material occupies important positions in building material products, and the quality of the composite waterproof coiled material directly influences the quality of the whole building engineering. The common composite waterproof coiled material mainly comprises petroleum, asphalt, paper base and felt, and recently accounts for about 70% of the total market, the polymer composite waterproof coiled material accounts for about 10%, and other materials are waterproof paint and other composite waterproof coiled materials, but the materials have the defects that the materials are difficult to overcome. Such as: when asphalt is prepared, a large amount of waste gas is generated, so that the asphalt has serious environmental pollution and is easy to scald, fire accident and the like. In particular, the common waterproof coiled material has the defects of low tensile strength, low tearing strength, poor adhesive property, small elongation at break, poor heat resistance, poor low-temperature flexibility, corrosion resistance, easy aging and the like, and some waterproof coiled materials have better physical properties but sacrifice the flame retardant effect.
The polymer sheet, also called synthetic polymer waterproof coiled material, is a coiled sheet waterproof material which is made by using synthetic rubber, synthetic resin or a blend of the synthetic rubber and the synthetic resin as base materials, adding a proper amount of chemical auxiliary agents, fillers and the like and adopting the processing technology of rubber or plastics such as banburying, extrusion or calendaring. In the prior art, the polymer coiled material is a thermal composite smooth non-woven fabric on both sides or on one side, and various reinforcing layers, such as metal grids, matrix cloth and other materials, are generally compounded in the polymer waterproof coiled material in order to further improve the mechanical properties of the polymer waterproof coiled material. And the lap joint areas of 100mm along the two sides of the length direction of the coiled material are not provided with polyester cloth, and the lap joint welding construction is carried out by adopting a thermal fusion welding machine after the blank edges are reserved.
The patent with publication number CN105500847A discloses a polyethylene double-sided composite waterproof coiled material, which comprises a high polymer sheet material, wherein double-sided composite reinforced non-woven fabrics are arranged on the high polymer sheet material. The inner layer is made of polypropylene filament non-woven fabric, the outer layer is made of polyester filament non-woven fabric, the middle layer is made of polyethylene resin, and the middle layer is compounded between the inner layer and the outer layer. The middle layer is made of a sheet material made of polyethylene resin, and the thickness of the middle layer is larger than that of the inner layer and the outer layer. The prominent drawbacks are: is a novel double-sided composite waterproof coiled material with convenient construction and is suitable for a wet-laid method. Polyethylenes are classified into different bai types: low density polyethylene (duLDPE), medium Density Polyethylene (MDPE), high density zhi polyethylene dao ethylene (HDPE), linear Low Density Polyethylene (LLDPE), the Shore hardness of which is 45-55, 50-60 and 62-72 respectively. According to the national standard, the thickness standard of the polymer waterproof coiled material in the construction field is not less than 1.2mm. The document does not disclose technical parameters of the product, but the polyethylene material does not have very strong tensile strength, elongation and low-temperature flexibility, good heat resistance and radiation resistance compared with other high polymer materials, and can judge that the thickness is far more than 1.2mm in order to realize the effects of high tensile strength, large elongation and low-temperature flexibility, good heat resistance, chemical corrosion resistance and strong radiation resistance. The sheet made of main polyethylene resin of the polyethylene double-sided composite waterproof coiled material has relatively large thickness and relatively hard, and is constructed by adopting a wet paving method. The upper layer and the lower layer are both made of non-woven fabrics, and the top surface of the non-woven fabrics is also required to be plastered with cement. The product adopting the structure is difficult to bend and construct at special-shaped parts such as corners of the part needing to be waterproof of the building, and is easy to cause unstable combination between coiled materials and the special-shaped parts such as corners of the part needing to be waterproof of the building, and is easy to generate hollowing, so that the waterproof construction has weak points.
The patent with publication number CN1182157A discloses a modified polyethylene composite non-woven fabric waterproof coiled material and a production and manufacturing method thereof, and provides a modified polyethylene composite non-woven fabric waterproof coiled material which has good surface roughness and excellent ultraviolet resistance and can be directly bonded with cement materials in the curing process and a production and manufacturing method thereof. The waterproof roll main waterproof layer uses polyethylene and EVA resin as main materials, the upper surface of the main waterproof layer is compounded with polyester filament non-woven fabric, the ultraviolet resistance of the waterproof material is improved, the lower surface is compounded with polypropylene non-woven fabric to be used as a reinforcing framework, the roughness of the material surface is improved, the bonding laying performance is improved, the mechanical strength is increased, the damage resistance of the roll is improved, the elasticity and the elasticity are increased, and the damage of external factors to the main waterproof layer is reduced. The addition amount of polyethylene in the main waterproof layer (accounting for the total weight) is 65-75 percent, and the addition amount of EVA resin is 25-35 percent. In order to prevent the product from being oxidized and degraded slowly under the illumination and normal temperature in the production, transportation, storage and construction processes, a light shielding agent, a heat stabilizer and an antioxidant are added into a main waterproof layer, and the light shielding agent and the heat stabilizer adopt pigment carbon black, and the main component is carbon, so that the light shielding agent and the heat stabilizer mainly have the following roles in the high polymer: first coloring, second oxidation inhibition and third ultraviolet shielding. Thereby playing an effective role in stabilizing the polymer. The antioxidant adopts DLTP, and has obvious synergistic effect with carbon black. In order to improve the dispersibility of the carbon black in the main waterproof layer and achieve the effect of light shielding, white oil is also required to be added. The main waterproof layer is added with various auxiliary agents accounting for the total weight of the polyethylene and the EVA resin, and the percentages are respectively as follows: pigment carbon black 1-1.5%, antioxidant DLTP1-1.5%, white oil 0.2-0.5%. The ultraviolet resistance of the waterproof material is improved by compounding polyester filament non-woven fabrics on the upper surface of the main waterproof layer; the lower surface is compounded with polypropylene non-woven fabric to be used as a reinforcing framework, so that the roughness of the material surface is improved, and the bonding laying performance is improved. The defects are as follows: firstly, in order to ensure the composite effect, the composite temperature of each layer is 120-150 ℃ and does not reach the melting point of the polyester filament non-woven fabric, but in actual production, the inventor discovers that the polypropylene non-woven fabric is compounded at the temperature, and deforms to destroy the porous structure of the polypropylene non-woven fabric; although the combination of the polyester filament non-woven fabric and the main waterproof layer can be well realized, the effect of the composite polypropylene non-woven fabric as a reinforcing framework is achieved, the roughness of the material surface is improved, the bonding laying performance is improved, the mechanical strength is increased, and the damage resistance of the coiled material is improved, but the manufacturing process is realized on the basis of sacrificing the porous structural characteristics of the polypropylene non-woven fabric. Secondly, the integral hardness is high, the main waterproof layer adopts polyethylene and EVA resin, and in the resin plasticizing extrusion process, the auxiliary agents are uniformly mixed, plasticized and dispersed. The auxiliary agent has the function of reducing the surface tension of the resin in a molten state, enhances the composite contact effect, and ensures the composite effect by full plasticization and the effective dispersion condition of the auxiliary agent. The plasticizing extrusion temperature is too high to cause the rise of the compounding temperature, so that the non-woven fabric is damaged during compounding, the product quality is affected, the plasticizing is unfavorable when the temperature is too low, the extrusion pressure is increased, the carbon black is unevenly dispersed, the main waterproof layer is in a stiff block or fish eye shape, and the main waterproof layer is in a hollow cavity when serious. The addition of polyethylene and EVA resin, together with adjuvants, results in a relatively "hard" material. In addition, in order to improve the ultraviolet resistance of the waterproof material, the upper surface of the main waterproof layer is compounded with polyester filament non-woven fabric; in order to improve the roughness of the material surface and compound polypropylene non-woven cloth on the lower surface to be used as a reinforced framework, the whole coiled material is not easy to bend.
In summary, the polymer waterproof coiled material in the prior art has the outstanding defects that the surface is smooth and clean, the roughness is low, the coiled material and cement cannot be directly bonded in the cement solidification process, and when the water content of a base surface exceeds 8%, the construction cannot be carried out or the quality of waterproof engineering is seriously affected; the special-shaped parts such as corners of the building needing waterproof parts are not easy to bend and are easy to cause weak combination between coiled materials and the special-shaped parts such as corners of the building needing waterproof parts, the phenomenon of hollowness is easy to occur, the waterproof construction has weak points,
The waterproof coating comprises a spray polyurea waterproof material and a polyurethane waterproof material. The polyurea is a A, B bi-component, solvent-free and fast-curing green environment-friendly elastic waterproof material, which is classified into a high-elastic spray (pure) polyurea waterproof coating (JNC) and a high-elastic spray polyurethane (urea) (commonly known as semi-polyurea) elastic waterproof coating (JNJ) according to different film forming reaction groups, and is classified into a type I and a type II according to physical properties. A. And the component B is mixed and sprayed in a spray gun of special spraying equipment, and is quickly reacted and cured to generate the elastomer waterproof film. The component A of the high-elastic spraying (pure) polyurea waterproof coating is a semi-prepolymer prepared by reacting a hydroxyl-terminated compound with isocyanate; the component B is a mixture of amino-terminated resin and amino-terminated chain extender and must not contain any hydroxyl component and catalyst, but is allowed to contain small amounts of pigment and dispersing aid. The component A of the high-elastic spraying polyurethane (urea) (commonly called semi-polyurea) elastic waterproof paint is a semi-prepolymer prepared by reacting a hydroxyl-terminated compound with isocyanate; the component B is a mixture of hydroxyl-terminated resin or amino-terminated resin and amino-terminated chain extender, and can contain a catalyst for improving the reactivity, a small amount of pigment and dispersing auxiliary agents. The product needs to be sprayed and molded by special construction machinery when in film formation, has excellent physical and chemical performance indexes, convenient construction process, integrity of a waterproof and anti-corrosion system and environment friendliness which are not achieved by any other traditional protective materials and technology, and is widely used for waterproof, anti-corrosion and wear-resistant 'two-prevention-one-resistance' engineering of urban subways, high-speed railways, tunnel bridges, hydraulic and electromechanical, marine chemical engineering and civil and military projects. The polyurethane waterproof coating bai is a single-component polyurethane waterproof coating which is prepared by adding and polymerizing isocyanate, du polyether and the like to obtain a pre-polymerized dao body containing isocyanate groups, adding a catalyst, an anhydrous auxiliary agent, an anhydrous filler, a solvent and the like, and mixing and other procedures. The coating is a reaction curing (moisture curing) coating and has the characteristics of high strength, large elongation, good water resistance and the like. In the prior art, the polyurea waterproof material and the polyurea waterproof material have the defects of higher requirements on construction conditions, no drying, unevenness, sand dust and other impurities in a construction area, and weak adhesion with a part of a building to be waterproof. But the reality is that: in overcast and rainy weather, it is difficult to ensure that the drying of the construction area meets the spraying conditions; the construction period of the construction engineering is generally relatively tight, and the concrete is required to be sprayed when the concrete is not dried thoroughly; it is difficult to clean the construction area when the wind and sand are large or the construction surface is uneven. This difficulty has been plagued to those skilled in the art.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a waterproof structure, which solves the problem of poor effect of spraying polyurea or polyurethane when a construction area is wet or has sundries such as dust sand or a working surface is not a flat surface.
The technical scheme adopted by the invention is as follows.
An ageing-resistant waterproof construction convenient to construction, its characterized in that: the spraying auxiliary layer is formed by mutually lap-jointing a plurality of spraying auxiliary coiled materials; the lap joint areas of the two adjacent auxiliary spraying coiled materials are bonded through an adhesive; the top surface of the spraying auxiliary layer is sprayed or smeared with a polyurethane layer, and the top surface of the polyurethane layer is sprayed with a polyurea protective layer; the bottom surface of the spraying auxiliary layer is bonded with the area to be constructed through an adhesive layer made of cement-based adhesive or cement paste;
the spraying auxiliary coiled material comprises a polyvinyl chloride soft layer with the thickness of 0.5-0.9 mm, polypropylene non-woven fabrics with mesh structures and compounded on the top surface of the polyvinyl chloride soft layer in a hot-pressing mode, and polyester fabrics with the bottom surface being a rough surface and compounded on the bottom surface of the polyvinyl chloride soft layer in a hot-pressing mode.
As the preferable technical scheme, the adhesive is formed by mixing cement, rubber powder and water according to the weight ratio of 50:0.5-1.0:10-20.
As a preferable technical scheme, the thickness of the polyurea protective layer is 1.0-2.0mm.
As a preferred technical scheme, the top surface of the polyurea protective layer is coated with a finish protective layer.
As the preferable technical scheme, the finish paint protective layer is one of fluorocarbon paint, water-based acrylic paint, acrylic resin modified polyurethane paint, aliphatic polyurethane paint and aliphatic polyaspartic acid ester paint.
As a preferable technical scheme, the thickness of the polyurethane is 0.1-0.2mm.
As a preferable technical scheme, the polypropylene non-woven fabric is a polypropylene spun-bonded non-woven fabric.
As a preferable technical scheme, the polypropylene non-woven fabric is a polypropylene spun-bonded non-woven fabric with the weight of 40-70 g/m 2.
As a preferable technical scheme, the polyester fabric is polyester filament hot-rolled non-woven fabric.
As the preferable technical scheme, the polyester fabric is polyester filament hot-rolled non-woven fabric with 70-90 g/m 2.
As a preferable technical scheme, one side edge of the bottom surface of the polyvinyl chloride soft layer is provided with a lower lap joint area without polyester cloth, and the side edge of the top surface of the base layer far away from the lower lap joint area is provided with an upper lap joint area without polypropylene non-woven cloth.
As a preferable technical scheme, the raw materials of the polyvinyl chloride soft layer comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 30-35 parts of diisononyl phthalate, 2-5 parts of DOTP softening plasticizer, 2-3 parts of OPE lubricant, 11-15 parts of dioctyl oxalate, 2-5 parts of epoxidized soybean oil, 1.5-2.0 parts of antimonous oxide, 0.10-0.15 part of pentachlorophenol sodium, 0.05-0.06 part of beta-dodecyl thiopropionic acid pentaerythritol ester, 1-2 parts of liquid barium-zinc composite stabilizer and 5-10 parts of chlorinated polyethylene.
The chlorinated polyethylene is a saturated high polymer material, has white powder appearance, is nontoxic and odorless, has excellent weather resistance, ozone resistance, chemical resistance and ageing resistance, and has good oil resistance, flame retardance and coloring performance. The toughness is good (the toughness is still good at the temperature of minus 30 ℃), the compatibility with other high polymer materials is good, and the decomposition temperature is high. The liquid barium zinc composite stabilizer has different properties due to different compositions. But is generally light yellow to yellow clear liquid, the specific gravity is 0.95-1.02 at normal temperature, the viscosity is less than 100 centipoise, and the freezing point is about-15 ℃. Liquid barium zinc is similar, has excellent heat and light stability, small initial coloring property, good transparency and color stability. The stabilizing effect is stronger than that of solid composite soap, so that the dosage can be reduced, generally 2-3 parts, dust poisoning can not occur, and the composite soap is completely dissolved in general plasticizer, has good dispersibility and small precipitation tendency. The importance of liquid barium zinc stabilizer systems is growing and the variety of liquid ba/zn stabilizers available on the market is wide and can be used in almost all areas ranging from semi-rigid products to plasticized PVC, including calendaring, extrusion, injection extrusion blow molding, injection blow molding and plastisol processing. Pentaerythritol alkyl thiopropionate plays an antioxidant role. Sodium pentachlorophenate, PCP-Na, sodium pentachlorphenate, white needle crystal and light red scale crystal as raw material. Contact-killing type biocidal herbicide, hazard sign 14 (drug). The pesticide can be mainly used as a spray for the dormancy stage of fallen leaves to prevent brown rot, and also used as a herbicide or a contact-killing type herbicide for pesticides, and is mainly used for preventing and killing barnyard grass and other various young grasses obtained by seed germination, such as Japanese dock root, water horseteeth, green bristlegrass, festival grass, crab grass, alopecuroide, LIAO and the like. Has certain inhibiting effect on the herba Murrayae Cymosae, and can eliminate the harmful organisms such as Oncomelania Hupensis Gredler, leech, etc. Can also be used as a wood preservative, a protein and starch type binder and a bactericide for water-based paint. Antimony trioxide (formula: sb2O 3) is an inorganic compound. The natural product is called stibium trioxide and is commonly called stibium trioxide, white crystalline powder. Melting point 655 ℃. The boiling point is 1550 ℃. Is dissolved in sodium hydroxide solution, hot tartaric acid solution, hydrogen tartrate solution and sodium sulfide solution, and is slightly dissolved in water 370+/-37 mug/L, dilute nitric acid and dilute sulfuric acid. There is a potential for carcinogenesis. The preparation method has two methods, namely a dry method and a wet method, is mainly used for white pigment, paint and plastics, and can play roles of pigment and flame retardance.
The preparation method of the spraying auxiliary coiled material comprises the following steps:
Step 1: material preparation
Uniformly stirring materials for manufacturing the polyvinyl chloride soft layer in a container;
granulating the uniformly stirred materials;
Putting the granulated material into an electric heating oven, and fully plasticizing the granulated material at the temperature of 180-210 ℃ to 180 ℃;
Step 2: primary hot melt straight pressing
Conveying the granulated material to a calender for extrusion to form a polyvinyl chloride coiled material blank;
Step 3: secondary hot melt direct compression
Tightly attaching the polyester cloth to the bottom of the polyvinyl chloride coiled material blank, and putting the polyester cloth into a calender for hot-pressing and compounding, so that the polyester cloth is hot-pressed and compounded on the bottom surface of the polyvinyl chloride coiled material blank, and the hot-pressing temperature is controlled at 135-140 ℃; the polyester cloth is combined with a polyvinyl chloride coiled material blank;
Step 4: three times hot melt direct compression
When the temperature of the top surface of the polyester fabric and polyvinyl chloride coiled material blank combination is reduced to 95-100 ℃ by adopting a cooling measure, the polypropylene non-woven fabric is closely attached to the top surface of the polyester fabric and polyvinyl chloride coiled material blank combination and is simultaneously introduced into a pair of drawing rollers, and the polypropylene non-woven fabric is compounded on the top surface of a polyvinyl chloride soft layer in a hot-pressing manner through roller extrusion, so that the spraying auxiliary coiled material is obtained.
The cooling measures are to blow cold air to the top surface of the combination of the polyester cloth and the polyvinyl chloride coiled material blank by using a blower to realize cooling.
The polypropylene non-woven fabric is a polypropylene spun-bonded non-woven fabric.
As a preferred technical scheme, the step 1 comprises the following steps:
stirring the materials for preparing the polyvinyl chloride soft layer in a mixer for 16-20 minutes at 110-130 ℃, and cooling the obtained materials to obtain pasty slurry;
Cooling the slurry in a cooler for 10-20 min at-20-10deg.C;
Granulating the obtained cooled material, and sieving the granulated material through a sieve with the mesh diameter of 8-10 mm;
storing the sieved particles in a pattern scattering machine, starting a teflon mesh belt of an electric heating oven, starting the pattern scattering machine to uniformly scatter the particles on the teflon mesh belt, and entering the electric heating oven to fully heat and soften the materials.
The beneficial effects of the invention are as follows.
1. The spraying auxiliary coiled material is arranged, the spraying auxiliary coiled material is combined to form a spraying auxiliary layer, and the problem that the spraying polyurea or polyurethane effect is poor due to the fact that the construction area is moist or has sundries such as dust sand or the working surface is not a flat surface in the prior art is solved.
2. The auxiliary coiled material has small thickness and is of a nonstandard structure, and has the advantages of being light and soft and easy to cut. During construction, cement paste or cement-based adhesive can be used for pasting in a construction area according to construction requirements, so that the problem that in the prior art, special-shaped parts such as corners of a part to be waterproof of a building are easy to bend and construct, weak combination is not generated between coiled materials and special-shaped parts such as corners of the part to be waterproof of the building, and hollowing is easy to generate is solved; the operations of cutting and pasting materials during construction are reduced, and the production of a pasting surface is reduced, so that the weak points of waterproof construction are reduced.
3. The hot-pressed polyester non-woven fabric is compounded on the bottom surface of the polyvinyl chloride soft layer (2) by hot pressing, and mainly utilizes the characteristic of high temperature resistance of hot-pressed polyester compound, after the hot-pressed compounding is finished, the hot-pressed polyester filament non-woven fabric can still keep filament fluff with a certain length on the bottom surface, and when the hot-pressed polyester filament non-woven fabric is combined with cement-based adhesive or cement slurry, the hydrophilic wetting of the cement mortar on the hot-pressed polyester filament non-woven fabric is not blocked, and meanwhile, the bonding effect is improved.
4. The polyvinyl chloride soft layer (2) is prepared by adopting a three-time hot pressing method, the top surface and the bottom surface of the polyvinyl chloride soft layer (2) are respectively compounded with a polypropylene non-woven fabric layer and a polyester non-woven fabric with porous structures, and particularly the non-woven fabric layer of the polypropylene non-woven fabric layer is in line with the polypropylene non-woven fabric layer at a low temperature of 95-100 ℃, so that the porous moisture absorption performance of the polypropylene non-woven fabric is ensured, the compounding temperature of the polyester fabric is optimized, the polyester filament hot-rolled non-woven fabric is ensured to still keep filament fluff with a certain length on the bottom surface, and the hydrophilic wetting with a construction area and the bonding effect are improved.
5. The lap joint areas of two adjacent auxiliary coiled materials are bonded by adhesive bonding agents, open fire is not needed for construction, and the construction is safer.
6. The auxiliary coiled material and the waterproof structure are thin in thickness and light in weight, and the amount of organic materials consumed by waterproof engineering can be reduced.
7. The spraying auxiliary coiled material is characterized in that the top and bottom surfaces of the auxiliary coiled material are provided with the composite polypropylene cloth and the polyester cloth, so that the auxiliary coiled material is of an enhanced structure, the breaking tensile strength is enhanced, the breaking tensile strength is high, the product is flexible and easy to bend, and the product is not broken, and has good tensile and perforation resistance. Therefore, the product is more suitable for the waterproof engineering of special parts.
8. In the waterproof construction structure, a polypropylene non-woven fabric layer with a porous structure is compounded at a low temperature on the top surface of a polymer soft layer with the thickness of 0.6-0.9mm, polyurea is sprayed on the polypropylene non-woven fabric or polyurethane is smeared on the polypropylene non-woven fabric, the porous moisture absorption performance of the polypropylene non-woven fabric is fully utilized, the problem that polyurethane or polyurea is directly combined with a polymer material in the prior art in an untight manner is solved, and meanwhile, the deformation resistance of the waterproof structure is obviously improved due to the fact that ribs are added between the polyurethane or the polyurea and the polymer layer.
9. Further improving the bonding effect of the polyurea. Polyurethane is slowly solidified, so that the inside of the polypropylene cloth can be soaked. The polyurea is solidified instantly for 3-10 seconds, and is directly combined with the polypropylene cloth under normal conditions, so that the infiltration time is short; the polyurethane layer is firstly adopted, so that the waterproof effect is firmer. The finish paint protective layer is adopted to protect the polyurea layer, and the ageing resistance of the polyvinyl chloride is high, so that the waterproof engineering can have the same service life as the building engineering.
Drawings
Fig. 1 is a schematic view of a construction of a spray-coating auxiliary roll.
Fig. 2 is a schematic structural view of a waterproof structure using the spray auxiliary roll shown in fig. 1.
Fig. 3 is a partial enlarged view of a portion a of fig. 2.
Fig. 4 is a schematic view of the structure of a spray auxiliary roll.
Fig. 5 is a schematic view of a waterproof structure using the spray auxiliary roll shown in fig. 4.
Fig. 6 is a partial enlarged view of a portion B of fig. 5.
Fig. 7 is a schematic view of a waterproof structure using the spray auxiliary roll shown in fig. 4.
Fig. 8 is a partial enlarged view of a portion C of fig. 7.
Wherein: polypropylene non-woven fabric-1; polyvinyl chloride soft layer-2; polyester cloth-3; a lower overlap region-21; an upper overlap region-22; spraying an auxiliary layer-4; spraying an auxiliary coiled material-41; polyurethane layer-5; a polyurea protective layer-6; a finish paint protective layer-7; the area to be constructed is-8; adhesive layer-9.
Detailed Description
The invention will now be further described with reference to the drawings and examples.
Example 1. As shown in fig. 1 to 3, an aging-resistant waterproof structure for easy construction includes a spray auxiliary layer 4 formed by overlapping and connecting a plurality of spray auxiliary coiled materials 41; the overlap areas of the two adjacent auxiliary spraying coiled materials 41 are bonded by an adhesive; the top surface of the spraying auxiliary layer 4 is sprayed or smeared with a polyurethane layer 5, and the top surface of the polyurethane layer 5 is sprayed with a polyurea protective layer 6; the bottom surface of the auxiliary spraying layer 4 is bonded with the area 8 to be constructed through an adhesive layer 9 made of cement-based adhesive or cement paste;
The spraying auxiliary coiled material 41 comprises a polyvinyl chloride soft layer 2 with the thickness of 0.5mm, polypropylene non-woven fabric 1 with a mesh structure and compounded on the top surface of the polyvinyl chloride soft layer 2 in a hot-pressing mode, and polyester fabric 3 with the bottom surface of the polyvinyl chloride soft layer 2 being a rough surface.
The adhesive is formed by mixing cement, rubber powder and water according to the weight ratio of 50:0.5:10.
The thickness of the polyurea protection layer 6 is 1.0mm.
The thickness of the polyurethane was 0.1mm.
The polypropylene non-woven fabric 1 is a polypropylene spun-bonded non-woven fabric.
The polypropylene non-woven fabric 1 is a polypropylene spun-bonded non-woven fabric with the concentration of 40g/m 2.
The polyester fabric 3 is polyester filament hot-rolled non-woven fabric.
The polyester fabric 3 is a polyester filament hot-rolled non-woven fabric with 70g/m 2.
The raw material of the polyvinyl chloride soft layer 2 is polyvinyl chloride particles.
The preparation method of the spraying auxiliary coiled material comprises the following steps:
Step 1: material preparation
Uniformly stirring the material for manufacturing the polyvinyl chloride soft layer 2 in a container;
granulating the uniformly stirred materials;
Putting the granulated material into an electric heating oven, and fully plasticizing the granulated material at the temperature of 180-210 ℃ to 180 ℃;
Step 2: primary hot melt straight pressing
Conveying the granulated material to a calender for extrusion to form a polyvinyl chloride coiled material blank;
Step 3: secondary hot melt direct compression
Tightly attaching the polyester cloth 3 to the bottom of the polyvinyl chloride coiled material blank, and putting the polyester cloth into a calender together for hot-pressing and compounding, so that the polyester cloth 3 is hot-pressed and compounded on the bottom surface of the polyvinyl chloride coiled material blank, and the hot-pressing temperature is controlled at 135 ℃; the polyester cloth 3 is combined with a polyvinyl chloride coiled material blank;
Step 4: three times hot melt direct compression
When the temperature of the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank is reduced to 95-100 ℃ by adopting a cooling measure, the polypropylene non-woven fabric 1 is closely attached to the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank and is simultaneously introduced into a pair of drawing rollers, and the polypropylene non-woven fabric 1 is compounded on the top surface of the polyvinyl chloride soft layer 2 in a hot-pressing way through the rollers to obtain the spraying auxiliary coiled material.
The step 1 comprises the following steps:
putting the material for manufacturing the polyvinyl chloride soft layer 2 into a mixer for stirring, stirring for 16 minutes at the temperature of 110 ℃, and cooling the obtained material to obtain pasty slurry;
Cooling the slurry in a cooler for 10 minutes at a temperature of 10 ℃;
Granulating the obtained cooled material, and sieving the granulated material through a sieve with the mesh diameter of 8-10 mm;
storing the sieved particles in a pattern scattering machine, starting a teflon mesh belt of an electric heating oven, starting the pattern scattering machine to uniformly scatter the particles on the teflon mesh belt, and entering the electric heating oven to fully heat and soften the materials.
The cooling measures are to blow cold air to the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank by using a blower to realize cooling.
Example 2. The present embodiment differs from embodiment 1 in that: the polypropylene nonwoven fabric 1 was a polypropylene spunbond nonwoven fabric of 40g/m 2. The thickness of the polyvinyl chloride soft layer 2 is 0.9mm.
The polyester fabric 3 is polyester filament hot-rolled non-woven fabric.
The polyester fabric 3 is a polyester filament hot-rolled non-woven fabric with 70g/m 2.
The raw materials of the polyvinyl chloride soft layer 2 comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 30 parts of diisononyl phthalate, 2 parts of DOTP softening plasticizer, 2 parts of OPE lubricant, 11 parts of dioctyl oxalate, 2 parts of epoxidized soybean oil, 1.5 parts of antimonous oxide, 0.10 part of pentachlorophenol sodium, 0.05 part of beta-dodecyl thiopropionic acid pentaerythritol ester, 1-2 parts of liquid barium-zinc composite stabilizer and 5 parts of chlorinated polyethylene.
The preparation method of the spraying auxiliary coiled material comprises the following steps:
Step 1: material preparation
Uniformly stirring the material for manufacturing the polyvinyl chloride soft layer 2 in a container;
granulating the uniformly stirred materials;
Putting the granulated material into an electric heating oven, and fully plasticizing the granulated material at the temperature of 180-210 ℃ to 180 ℃;
Step 2: primary hot melt straight pressing
Conveying the granulated material to a calender for extrusion to form a polyvinyl chloride coiled material blank;
Step 3: secondary hot melt direct compression
Tightly attaching the polyester cloth 3 to the bottom of the polyvinyl chloride coiled material blank, and putting the polyester cloth into a calender together for hot-pressing and compounding, so that the polyester cloth 3 is hot-pressed and compounded on the bottom surface of the polyvinyl chloride coiled material blank, and the hot-pressing temperature is controlled at 140 ℃; the polyester cloth 3 is combined with a polyvinyl chloride coiled material blank;
Step 4: three times hot melt direct compression
When the temperature of the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank is reduced to 95-100 ℃ by adopting a cooling measure, the polypropylene non-woven fabric 1 is closely attached to the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank and is simultaneously introduced into a pair of drawing rollers, and the polypropylene non-woven fabric 1 is compounded on the top surface of the polyvinyl chloride soft layer 2 in a hot-pressing way through the rollers to obtain the spraying auxiliary coiled material.
The step 1 comprises the following steps:
putting the material for manufacturing the polyvinyl chloride soft layer 2 into a mixer for stirring, stirring for 16 minutes at the temperature of 110 ℃, and cooling the obtained material to obtain pasty slurry;
Cooling the slurry in a cooler for 10 minutes at a temperature of 10 ℃;
Granulating the obtained cooled material, and sieving the granulated material through a sieve with the mesh diameter of 8-10 mm;
storing the sieved particles in a pattern scattering machine, starting a teflon mesh belt of an electric heating oven, starting the pattern scattering machine to uniformly scatter the particles on the teflon mesh belt, and entering the electric heating oven to fully heat and soften the materials.
The cooling measures are to blow cold air to the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank by using a blower to realize cooling.
The polypropylene non-woven fabric 1 is a polypropylene spun-bonded non-woven fabric.
The adhesive is formed by mixing cement, rubber powder and water according to the weight ratio of 50:0.5:10.
The polyurethane layers 5 are each 0.2mm thick.
Example 3. The present embodiment differs from embodiment 2 in that: as shown in fig. 4-6, a lower lap zone 21 without polyester cloth 3 is left on one side of the bottom surface of the polyvinyl chloride soft layer 2, and an upper lap zone 22 without polypropylene non-woven fabric 1 is left on the side of the top surface of the base layer far from the lower lap zone. The spraying auxiliary coiled material comprises a polyvinyl chloride soft layer 2 with the thickness of 0.9mm, a polypropylene non-woven fabric 1 with a mesh structure and compounded on the top surface of the polyvinyl chloride soft layer 2 in a hot-pressing mode, and polyester fabric 3 with the bottom surface of the polyvinyl chloride soft layer 2 being a rough surface.
The polypropylene nonwoven fabric 1 was a polypropylene spunbond nonwoven fabric of 50g/m 2.
The polyester fabric 3 is polyester filament hot-rolled non-woven fabric.
The polyester fabric 3 is polyester filament hot-rolled non-woven fabric with the polyester filament hot-rolled non-woven fabric being 90g/m 2.
The raw materials of the polyvinyl chloride soft layer 2 comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 35 parts of diisononyl phthalate, 5 parts of DOTP softening plasticizer, 2 parts of OPE lubricant, 11 parts of dioctyl oxalate, 2 parts of epoxidized soybean oil, 1.5 parts of antimonous oxide, 0.15 part of pentachlorophenol sodium, 0.06 part of beta-dodecyl thiopropionic acid pentaerythritol ester, 1 part of liquid barium-zinc composite stabilizer and 5 parts of chlorinated polyethylene.
The preparation method of the spraying auxiliary coiled material comprises the following steps:
Step 1: material preparation
Uniformly stirring the material for manufacturing the polyvinyl chloride soft layer 2 in a container;
granulating the uniformly stirred materials;
Putting the granulated material into an electric heating oven, and fully plasticizing the granulated material at the temperature of 180-210 ℃ to 180 ℃;
Step 2: primary hot melt straight pressing
Conveying the granulated material to a calender for extrusion to form a polyvinyl chloride coiled material blank;
Step 3: secondary hot melt direct compression
Tightly attaching the polyester cloth 3 to the bottom of the polyvinyl chloride coiled material blank, and putting the polyester cloth into a calender together for hot-pressing and compounding, so that the polyester cloth 3 is hot-pressed and compounded on the bottom surface of the polyvinyl chloride coiled material blank, and the hot-pressing temperature is controlled at 140 ℃; the polyester cloth 3 is combined with a polyvinyl chloride coiled material blank;
Step 4: three times hot melt direct compression
When the temperature of the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank is reduced to 95-100 ℃ by adopting a cooling measure, the polypropylene non-woven fabric 1 is closely attached to the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank and is simultaneously introduced into a pair of drawing rollers, and the polypropylene non-woven fabric 1 is compounded on the top surface of the polyvinyl chloride soft layer 2 in a hot-pressing way through the rollers to obtain the spraying auxiliary coiled material.
The step 1 comprises the following steps:
Putting the material for manufacturing the polyvinyl chloride soft layer 2 into a mixer for stirring, stirring for 20 minutes at the temperature of 120 ℃, and cooling the obtained material to obtain pasty slurry;
cooling the slurry in a cooler for 20 min at-20 ℃;
Granulating the obtained cooled material, and sieving the granulated material through a sieve with the mesh diameter of 8-10 mm;
storing the sieved particles in a pattern scattering machine, starting a teflon mesh belt of an electric heating oven, starting the pattern scattering machine to uniformly scatter the particles on the teflon mesh belt, and entering the electric heating oven to fully heat and soften the materials.
The cooling measures are to blow cold air to the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank by using a blower to realize cooling.
The adhesive is formed by mixing cement, rubber powder and water according to the weight ratio of 50:1.0:120.
The polyurethane layers 5 were each 0.2mm thick. The thickness of the polyurea layer was 2mm.
Example 4. The present embodiment differs from embodiment 2 in that: as shown in fig. 2, the left side of the bottom surface of the polyvinyl chloride soft layer 2 is left with a lower overlap region 21 without the polyester cloth 3, and the right side of the top surface of the base layer is left with an upper overlap region 22 without the polypropylene non-woven fabric 1.
The polypropylene nonwoven fabric 1 was a polypropylene spunbond nonwoven fabric of 65g/m 2.
The polyester fabric 3 is polyester filament hot-rolled non-woven fabric.
The polyester fabric 3 is a polyester filament hot-rolled non-woven fabric with the polyester filament hot-rolled non-woven fabric being 85g/m 2.
The raw materials of the polyvinyl chloride soft layer 2 comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 35 parts of diisononyl phthalate, 5 parts of DOTP softening plasticizer, 3 parts of OPE lubricant, 15 parts of dioctyl oxalate, 5 parts of epoxidized soybean oil, 2.0 parts of antimonous oxide, 0.10 part of pentachlorophenol sodium, 0.06 part of beta-dodecyl thiopropionic acid pentaerythritol ester, 2 parts of liquid barium-zinc composite stabilizer and 5 parts of chlorinated polyethylene.
The preparation method of the spraying auxiliary coiled material comprises the following steps:
Step 1: material preparation
Uniformly stirring the material for manufacturing the polyvinyl chloride soft layer 2 in a container;
granulating the uniformly stirred materials;
Putting the granulated material into an electric heating oven, and fully plasticizing the granulated material at the temperature of 180-210 ℃ to 180 ℃;
Step 2: primary hot melt straight pressing
Conveying the granulated material to a calender for extrusion to form a polyvinyl chloride coiled material blank;
Step 3: secondary hot melt direct compression
Tightly attaching the polyester cloth 3 to the bottom of the polyvinyl chloride coiled material blank, and putting the polyester cloth into a calender together for hot-pressing and compounding, so that the polyester cloth 3 is hot-pressed and compounded on the bottom surface of the polyvinyl chloride coiled material blank, and the hot-pressing temperature is controlled at 135 ℃; the polyester cloth 3 is combined with a polyvinyl chloride coiled material blank;
Step 4: three times hot melt direct compression
When the temperature of the top surface of the polyester cloth 3 and polyvinyl chloride coiled material blank combination is reduced to 95 ℃ by adopting a cooling measure, the polypropylene non-woven fabric 1 is closely attached to the top surface of the polyester cloth 3 and polyvinyl chloride coiled material blank combination and is simultaneously introduced into a pair of drawing rollers, and the polypropylene non-woven fabric 1 is compounded on the top surface of the polyvinyl chloride soft layer 2 in a hot pressing mode through roller extrusion, so that the spraying auxiliary coiled material is obtained.
The step 1 comprises the following steps:
putting the material for manufacturing the polyvinyl chloride soft layer 2 into a mixer for stirring, stirring for 16-20 minutes at the temperature of 110-130 ℃, and cooling the obtained material to obtain pasty slurry;
cooling the slurry in a cooler for 20 min at-20 ℃;
Granulating the obtained cooled material, and sieving the granulated material through a sieve with the mesh diameter of 8-10 mm;
storing the sieved particles in a pattern scattering machine, starting a teflon mesh belt of an electric heating oven, starting the pattern scattering machine to uniformly scatter the particles on the teflon mesh belt, and entering the electric heating oven to fully heat and soften the materials.
The cooling measures are to blow cold air to the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank by using a blower to realize cooling.
The adhesive is formed by mixing cement, rubber powder and water according to the weight ratio of 50:0.8:10.
The polyurethane layers 5 were each 0.2mm thick. The thickness of the polyurea layer was 1.5mm.
Example 5. The present embodiment differs from embodiment 3 in that: the top surface of the polyurea protection layer 6 is coated with a topcoat 7 as shown in fig. 7-8.
The finish paint protective layer 7 is fluorocarbon paint.
The polypropylene nonwoven fabric 1 was a polypropylene spunbond nonwoven fabric of 70g/m 2.
The polyester fabric 3 is polyester filament hot-rolled non-woven fabric.
The polyester fabric 3 is polyester filament hot-rolled non-woven fabric with the polyester filament hot-rolled non-woven fabric being 90g/m 2.
The raw materials of the polyvinyl chloride soft layer 2 comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 35 parts of diisononyl phthalate, 2 parts of DOTP softening plasticizer, 2 parts of OPE lubricant, 115 parts of dioctyl oxalate, 2 parts of epoxidized soybean oil, 1.5 parts of antimonous oxide, 0.10 part of pentachlorophenol sodium, 0.05 part of beta-dodecyl thiopropionic acid pentaerythritol ester, 1 part of liquid barium-zinc composite stabilizer and 5 parts of chlorinated polyethylene.
The preparation method of the spraying auxiliary coiled material comprises the following steps:
Step 1: material preparation
Uniformly stirring the material for manufacturing the polyvinyl chloride soft layer 2 in a container;
granulating the uniformly stirred materials;
Putting the granulated material into an electric heating oven, and fully plasticizing the granulated material at the temperature of 180-210 ℃ to 180 ℃;
Step 2: primary hot melt straight pressing
Conveying the granulated material to a calender for extrusion to form a polyvinyl chloride coiled material blank;
Step 3: secondary hot melt direct compression
Tightly attaching the polyester cloth 3 to the bottom of the polyvinyl chloride coiled material blank, and putting the polyester cloth into a calender together for hot-pressing and compounding, so that the polyester cloth 3 is hot-pressed and compounded on the bottom surface of the polyvinyl chloride coiled material blank, and the hot-pressing temperature is controlled at 135 ℃; the polyester cloth 3 is combined with a polyvinyl chloride coiled material blank;
Step 4: three times hot melt direct compression
When the temperature of the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank is reduced to 95-100 ℃ by adopting a cooling measure, the polypropylene non-woven fabric 1 is closely attached to the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank and is simultaneously introduced into a pair of drawing rollers, and the polypropylene non-woven fabric 1 is compounded on the top surface of the polyvinyl chloride soft layer 2 in a hot-pressing way through the rollers to obtain the spraying auxiliary coiled material.
The step 1 comprises the following steps:
putting the material for manufacturing the polyvinyl chloride soft layer 2 into a mixer for stirring, stirring for 16-20 minutes at the temperature of 110-130 ℃, and cooling the obtained material to obtain pasty slurry;
cooling the slurry in a cooler for 20 min at-20 ℃;
Granulating the obtained cooled material, and sieving the granulated material through a sieve with the mesh diameter of 8-10 mm;
storing the sieved particles in a pattern scattering machine, starting a teflon mesh belt of an electric heating oven, starting the pattern scattering machine to uniformly scatter the particles on the teflon mesh belt, and entering the electric heating oven to fully heat and soften the materials.
The polyurethane layers 5 were each 0.15mm thick. The thickness of the polyurea layer was 1.2mm.
Example 6. The present embodiment differs from embodiment 4 in that: the polypropylene nonwoven fabric 1 was a polypropylene spunbond nonwoven fabric of 70g/m 2.
The polyester fabric 3 is polyester filament hot-rolled non-woven fabric.
The polyester fabric 3 is polyester filament hot-rolled non-woven fabric with the polyester filament hot-rolled non-woven fabric being 90g/m 2.
The raw materials of the polyvinyl chloride soft layer 2 comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 35 parts of diisononyl phthalate, 2 parts of DOTP softening plasticizer, 2 parts of OPE lubricant, 11 parts of dioctyl oxalate, 2 parts of epoxidized soybean oil, 1.5 parts of antimonous oxide, 0.10 part of pentachlorophenol sodium, 0.06 part of beta-dodecyl thiopropionic acid pentaerythritol ester, 2 parts of liquid barium-zinc composite stabilizer and 10 parts of chlorinated polyethylene.
The preparation method of the spraying auxiliary coiled material comprises the following steps:
Step 1: material preparation
Uniformly stirring the material for manufacturing the polyvinyl chloride soft layer 2 in a container;
granulating the uniformly stirred materials;
Putting the granulated material into an electric heating oven, and fully plasticizing the granulated material at the temperature of 180-210 ℃ to 180 ℃;
Step 2: primary hot melt straight pressing
Conveying the granulated material to a calender for extrusion to form a polyvinyl chloride coiled material blank;
Step 3: secondary hot melt direct compression
Tightly attaching the polyester cloth 3 to the bottom of the polyvinyl chloride coiled material blank, and putting the polyester cloth into a calender together for hot-pressing and compounding, so that the polyester cloth 3 is hot-pressed and compounded on the bottom surface of the polyvinyl chloride coiled material blank, and the hot-pressing temperature is controlled at 140 ℃; the polyester cloth 3 is combined with a polyvinyl chloride coiled material blank;
Step 4: three times hot melt direct compression
When the temperature of the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank is reduced to 95-100 ℃ by adopting a cooling measure, the polypropylene non-woven fabric 1 is closely attached to the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank and is simultaneously introduced into a pair of drawing rollers, and the polypropylene non-woven fabric 1 is compounded on the top surface of the polyvinyl chloride soft layer 2 in a hot-pressing way through the rollers to obtain the spraying auxiliary coiled material.
The step 1 comprises the following steps:
putting the material for manufacturing the polyvinyl chloride soft layer 2 into a mixer for stirring, stirring for 16-20 minutes at the temperature of 130 ℃, and cooling the obtained material to obtain pasty slurry;
Cooling the slurry in a cooler for 15 minutes at a temperature of 10 ℃;
Granulating the obtained cooled material, and sieving the granulated material through a sieve with the mesh diameter of 8-10 mm;
storing the sieved particles in a pattern scattering machine, starting a teflon mesh belt of an electric heating oven, starting the pattern scattering machine to uniformly scatter the particles on the teflon mesh belt, and entering the electric heating oven to fully heat and soften the materials.
The adhesive is formed by mixing cement, rubber powder and water according to the weight ratio of 50:0.5:10.
The finish protective layer 7 is a reactive acrylic paint.
Example 7. The present embodiment differs from embodiment 4 in that: the polypropylene nonwoven fabric 1 was a polypropylene spunbond nonwoven fabric of 45g/m 2.
The polyester fabric 3 is polyester filament hot-rolled non-woven fabric.
The polyester fabric 3 is a polyester filament hot-rolled non-woven fabric with the polyester filament hot-rolled non-woven fabric being 85g/m 2.
The raw materials of the polyvinyl chloride soft layer 2 comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 35 parts of diisononyl phthalate, 5 parts of DOTP softening plasticizer, 3 parts of OPE lubricant, 15 parts of dioctyl oxalate, 5 parts of epoxidized soybean oil, 2.0 parts of antimonous oxide, 0.15 part of pentachlorophenol sodium, 0.06 part of beta-dodecyl thiopropionic acid pentaerythritol ester, 2 parts of liquid barium-zinc composite stabilizer and 10 parts of chlorinated polyethylene.
The preparation method of the spraying auxiliary coiled material comprises the following steps:
Step 1: material preparation
Uniformly stirring the material for manufacturing the polyvinyl chloride soft layer 2 in a container;
granulating the uniformly stirred materials;
Putting the granulated material into an electric heating oven, and fully plasticizing the granulated material at the temperature of 180-210 ℃ to 180 ℃;
Step 2: primary hot melt straight pressing
Conveying the granulated material to a calender for extrusion to form a polyvinyl chloride coiled material blank;
Step 3: secondary hot melt direct compression
Tightly attaching the polyester cloth 3 to the bottom of the polyvinyl chloride coiled material blank, and putting the polyester cloth into a calender together for hot-pressing and compounding, so that the polyester cloth 3 is hot-pressed and compounded on the bottom surface of the polyvinyl chloride coiled material blank, and the hot-pressing temperature is controlled at 135 ℃; the polyester cloth 3 is combined with a polyvinyl chloride coiled material blank;
Step 4: three times hot melt direct compression
When the temperature of the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank is reduced to 95-100 ℃ by adopting a cooling measure, the polypropylene non-woven fabric 1 is closely attached to the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank and is simultaneously introduced into a pair of drawing rollers, and the polypropylene non-woven fabric 1 is compounded on the top surface of the polyvinyl chloride soft layer 2 in a hot-pressing way through the rollers to obtain the spraying auxiliary coiled material.
The step 1 comprises the following steps:
putting the material for manufacturing the polyvinyl chloride soft layer 2 into a mixer for stirring, stirring for 16-20 minutes at the temperature of 130 ℃, and cooling the obtained material to obtain pasty slurry;
cooling the slurry in a cooler for 20 min at-20 ℃;
Granulating the obtained cooled material, and sieving the granulated material through a sieve with the mesh diameter of 8-10 mm;
storing the sieved particles in a pattern scattering machine, starting a teflon mesh belt of an electric heating oven, starting the pattern scattering machine to uniformly scatter the particles on the teflon mesh belt, and entering the electric heating oven to fully heat and soften the materials.
A waterproof structure comprises a spraying auxiliary layer 4 formed by mutually overlapping and connecting a plurality of spraying auxiliary coiled materials; the lap joint areas of two adjacent auxiliary spraying coiled materials are bonded by adhesive bonding agents; the top surface of the spraying auxiliary layer 4 is sprayed with a polyurea layer 6; the bottom surface of the spray auxiliary layer is bonded to the area 8 to be constructed by means of an adhesive layer 9 made of cement-based adhesive or cement paste.
The adhesive is formed by mixing cement, rubber powder and water according to the weight ratio of 50:1.0:20.
The thickness of the polyurea layer 6 was 2.0mm.
The finish paint protective layer 7 is acrylic resin modified polyurethane paint.
Example 8. The present embodiment differs from embodiment 4 in that: the polypropylene nonwoven fabric 1 was a polypropylene spunbond nonwoven fabric of 70g/m 2.
The polyester fabric 3 is polyester filament hot-rolled non-woven fabric.
The polyester fabric 3 is polyester filament hot-rolled non-woven fabric with the polyester filament hot-rolled non-woven fabric being 90g/m 2.
The raw materials of the polyvinyl chloride soft layer 2 comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 30 parts of diisononyl phthalate, 5 parts of DOTP softening plasticizer, 2 parts of OPE lubricant, 12 parts of dioctyl oxalate, 5 parts of epoxidized soybean oil, 2.0 parts of antimonous oxide, 0.10 part of pentachlorophenol sodium, 0.05 part of beta-dodecyl thiopropionic acid pentaerythritol ester, 1 part of liquid barium-zinc composite stabilizer and 5 parts of chlorinated polyethylene.
The preparation method of the spraying auxiliary coiled material comprises the following steps:
Step 1: material preparation
Uniformly stirring the material for manufacturing the polyvinyl chloride soft layer 2 in a container;
granulating the uniformly stirred materials;
Putting the granulated material into an electric heating oven, and fully plasticizing the granulated material at the temperature of 180-210 ℃ to 180 ℃;
Step 2: primary hot melt straight pressing
Conveying the granulated material to a calender for extrusion to form a polyvinyl chloride coiled material blank;
Step 3: secondary hot melt direct compression
Tightly attaching the polyester cloth 3 to the bottom of the polyvinyl chloride coiled material blank, and putting the polyester cloth into a calender together for hot-pressing and compounding, so that the polyester cloth 3 is hot-pressed and compounded on the bottom surface of the polyvinyl chloride coiled material blank, and the hot-pressing temperature is controlled at 135 ℃; the polyester cloth 3 is combined with a polyvinyl chloride coiled material blank;
Step 4: three times hot melt direct compression
When the temperature of the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank is reduced to 95-100 ℃ by adopting a cooling measure, the polypropylene non-woven fabric 1 is closely attached to the top surface of the combination of the polyester cloth 3 and the polyvinyl chloride coiled material blank and is simultaneously introduced into a pair of drawing rollers, and the polypropylene non-woven fabric 1 is compounded on the top surface of the polyvinyl chloride soft layer 2 in a hot-pressing way through the rollers to obtain the spraying auxiliary coiled material.
The step 1 comprises the following steps:
Putting the material for manufacturing the polyvinyl chloride soft layer 2 into a mixer for stirring, stirring for 16-20 minutes at the temperature of 110 ℃, and cooling the obtained material to obtain pasty slurry;
cooling the slurry in a cooler for 10min at-20 deg.c;
Granulating the obtained cooled material, and sieving the granulated material through a sieve with the mesh diameter of 8-10 mm;
storing the sieved particles in a pattern scattering machine, starting a teflon mesh belt of an electric heating oven, starting the pattern scattering machine to uniformly scatter the particles on the teflon mesh belt, and entering the electric heating oven to fully heat and soften the materials.
A waterproof structure comprises a spraying auxiliary layer 4 formed by mutually overlapping and connecting a plurality of spraying auxiliary coiled materials; the lap joint areas of two adjacent auxiliary spraying coiled materials are bonded by adhesive bonding agents; the top surface of the spraying auxiliary layer 4 is sprayed with a polyurea layer 6; the bottom surface of the spray auxiliary layer is bonded to the area 8 to be constructed by means of an adhesive layer 9 made of cement-based adhesive or cement paste.
The adhesive is formed by mixing cement, rubber powder and water according to the weight ratio of 50:0.5:15.
The thickness of the polyurea layer 5 is 1.5mm.
The finish paint protective layer 7 is aliphatic polyaspartic acid ester paint.
The parameters of the web are as follows.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (8)
1. An ageing-resistant waterproof construction convenient to construction, its characterized in that: comprises a plurality of spraying auxiliary layers (4) formed by mutually lap-jointing a plurality of spraying auxiliary coiled materials (41); the lap joint areas of two adjacent auxiliary spraying coiled materials (41) are bonded by an adhesive; the top surface of the spraying auxiliary layer (4) is sprayed or smeared with a polyurethane layer (5), and the top surface of the polyurethane layer (5) is sprayed with a polyurea protective layer (6); the bottom surface of the spraying auxiliary layer (4) is bonded with the area (8) to be constructed through an adhesive layer (9) made of cement-based adhesive or cement paste;
The spraying auxiliary coiled material (41) comprises a polyvinyl chloride soft layer (2) with the thickness of 0.5-0.9 mm, a polypropylene non-woven fabric (1) with a mesh structure, which is compounded on the top surface of the polyvinyl chloride soft layer (2) in a hot-pressing way at the temperature of 95-100 ℃, and a polyester fabric (3) with the bottom surface being a rough surface, which is compounded on the bottom surface of the polyvinyl chloride soft layer (2) in a hot-pressing way at the temperature of 135-140 ℃;
the polypropylene non-woven fabric (1) is a polypropylene spun-bonded non-woven fabric;
the polypropylene non-woven fabric (1) is a polypropylene spun-bonded non-woven fabric with the weight of 40-70 g/m 2;
the polyester fabric (3) is polyester filament hot-rolled non-woven fabric;
the polyester fabric (3) is a polyester filament hot-rolled non-woven fabric with 70-90 g/m 2.
2. The waterproof structure of claim 1, wherein: the adhesive is prepared by mixing cement, rubber powder and water according to the weight ratio of 50:0.5-1.0:10-20.
3. The waterproof structure of claim 1, wherein: the thickness of the polyurea protective layer (6) is 1.0-2.0mm.
4. The waterproof structure of claim 1, wherein: the top surface of the polyurea protective layer (6) is coated with a finish paint protective layer (7).
5. The waterproof structure of claim 4, wherein: the finish paint protective layer (7) is one of fluorocarbon paint, water-based acrylic paint, acrylic resin modified polyurethane paint, aliphatic polyurethane paint and aliphatic polyaspartic acid ester paint.
6. The waterproof structure of claim 1, wherein: the thickness of the polyurethane is 0.1-0.2mm.
7. The waterproof structure of claim 1, wherein: one side of the bottom surface of the polyvinyl chloride soft layer (2) is provided with a lower lap joint area (21) without polyester cloth (3), and the side of the top surface of the base layer far away from the lower lap joint area is provided with an upper lap joint area (22) without polypropylene non-woven fabric (1).
8. The waterproof structure according to claim 1, wherein the raw materials of the polyvinyl chloride soft layer (2) comprise the following components in parts by weight: 100 parts of polyvinyl chloride resin, 30-35 parts of diisononyl phthalate, 2-5 parts of DOTP softening plasticizer, 2-3 parts of OPE lubricant, 11-15 parts of dioctyl oxalate, 2-5 parts of epoxidized soybean oil, 1.5-2.0 parts of antimonous oxide, 0.10-0.15 part of pentachlorophenol sodium, 0.05-0.06 part of beta-dodecyl thiopropionic acid pentaerythritol ester, 1-2 parts of liquid barium-zinc composite stabilizer and 5-10 parts of chlorinated polyethylene.
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| CN202010889875.7A CN112011284B (en) | 2020-08-29 | 2020-08-29 | Ageing-resistant waterproof construction convenient to construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102658685A (en) * | 2012-05-08 | 2012-09-12 | 江苏苏博特新材料股份有限公司 | Polyurethane/polyurea composite protective layer and preparation method thereof, and application of polyurethane/polyurea composite protective layer in concrete shielding |
| CN203004415U (en) * | 2012-12-20 | 2013-06-19 | 唐山德生防水股份有限公司 | High polymer compound waterproof roll with welded overlap edge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658685A (en) * | 2012-05-08 | 2012-09-12 | 江苏苏博特新材料股份有限公司 | Polyurethane/polyurea composite protective layer and preparation method thereof, and application of polyurethane/polyurea composite protective layer in concrete shielding |
| CN203004415U (en) * | 2012-12-20 | 2013-06-19 | 唐山德生防水股份有限公司 | High polymer compound waterproof roll with welded overlap edge |
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