CN108912556A - A kind of impact-resistant PVC wallboard and its processing technology - Google Patents
A kind of impact-resistant PVC wallboard and its processing technology Download PDFInfo
- Publication number
- CN108912556A CN108912556A CN201810897125.7A CN201810897125A CN108912556A CN 108912556 A CN108912556 A CN 108912556A CN 201810897125 A CN201810897125 A CN 201810897125A CN 108912556 A CN108912556 A CN 108912556A
- Authority
- CN
- China
- Prior art keywords
- parts
- pvc wallboard
- impact
- added
- resistant pvc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use 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; Derivatives of such polymers
- C08J2327/02—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/26—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment
- C08J2423/28—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment by reaction with halogens or halogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of impact-resistant PVC wallboard and its processing technologys, are related to PVC wallboard technical field, which includes the raw material of following parts by weight：40-50 parts of polyvinyl chloride resin, 5-15 parts of CPE resin, 6-10 parts of ACR resin, 2-8 parts of rare earth composite stabilizer, 1-5 parts of epoxidized soybean oil, 0.2-0.5 parts of pentaerythrite, 0.2-1 parts of oxidized polyethylene wax, 2-7 parts of dioctyl adipate, modified silicon carbide 5-10 parts, 5-10 parts of modified wollastonite powder, 2-8 parts of carboxymethyl cellulose, 1-5 parts of zinc oxide, 0.5-1.5 parts of titanium dioxide, 1-5 parts of antioxidant 1076.PVC wallboard proposed by the present invention is as made from fretting map Shooting Technique, with excellent shock resistance, mechanical property, stability and feature of environmental protection etc., and can adapt to different environment, applicable region is wider, and comprehensive performance and the market competitiveness have greatly improved.
Description
Technical field：
The present invention relates to PVC wallboard technical fields, and in particular to a kind of impact-resistant PVC wallboard and its processing technology.
Background technique：
Fretting map technique refers in plastics-production processing and other fields, using in the circulation of injection molding, into barrel
The fluid of supercriticality is injected, creates the closed-cell of a large amount of uniform micron order sizes in the plastic.Fretting map is molded into
Type technique is a kind of precise injection molding technology of innovation, breaches many limitations of traditional injection moulding, can significantly mitigate the weight of product
Amount shortens molding cycle, and significantly improves the buckling deformation and dimensional stability of product.
PVC, main ingredient are polyvinyl chloride, additionally incorporate other compositions to enhance its heat resistance, toughness, ductility etc..
It is liked deeply in the world today, a kind of rather popular and synthetic material for being also widely used.Its global usage amount
Second is in various synthetic materials.According to statistics, as soon as only nineteen ninety-five year, output of the PVC in Europe have 5,000,000 tons
Left and right, and its consumption figure is then 5,300,000 tons；In Germany, the output of PVC and 1,400,000 tons of consumption figure average out to.
PVC wallboard is the auxiliary agents such as a certain amount of age resister, modifying agent to be added, through certain using Corvic as base-material
Technique and it is manufactured.PVC wallboard is just gradually replacing traditional metope building materials at present, and the appearance of wallboard can be according to product design need
Ask carry out it is a variety of mould, produce that pattern is abundant, texture multiplicity, bright wallboard.But polyvinyl chloride resin is that a polarity is non-
Crystalline high polymer has stronger active force between molecule, is a hard and crisp material, impact strength is lower, can make
The impact strength of obtained PVC product is not high, therefore, develops comprehensive performance by optimization processing formula and processing technology
Excellent, impact-resistant PVC product has become the important directions of PVC industry development.
Summary of the invention：
Technical problem to be solved by the present invention lies in provide a kind of impact-resistant PVC wallboard and its processing technology.
The following technical solution is employed for the technical problems to be solved by the invention to realize：
A kind of impact-resistant PVC wallboard, the raw material comprising following parts by weight：40-50 parts of polyvinyl chloride resin, 5-15 parts of CPE resin,
6-10 parts of ACR resin, 2-8 parts of rare earth composite stabilizer, 1-5 parts of epoxidized soybean oil, 0.2-0.5 parts of pentaerythrite, the poly- second of oxidation
0.2-1 parts of alkene wax, 2-7 parts of dioctyl adipate, modified silicon carbide 5-10 parts, 5-10 parts of modified wollastonite powder, carboxymethyl cellulose
2-8 parts plain, 1-5 parts of zinc oxide, 0.5-1.5 parts of titanium dioxide, 1-5 parts of antioxidant 1076.
The impact-resistant PVC wallboard, the raw material of preferably following parts by weight：45 parts of polyvinyl chloride resin, 10 parts of CPE resin, ACR tree
8 parts of rouge, 5 parts of rare earth composite stabilizer, 2 parts of epoxidized soybean oil, 0.3 part of pentaerythrite, 0.5 part of oxidized polyethylene wax, adipic acid
5 parts of dioctyl ester, modified 7 parts of silicon carbide, 6 parts of modified wollastonite powder, 4 parts of carboxymethyl cellulose, 3 parts of zinc oxide, 1 part of titanium dioxide,
3 parts of antioxidant 1076.
The rare earth composite stabilizer includes the raw material of following parts by weight：10-20 parts of rare earth chloride, mischmetal 10-20
Part, 10-20 parts of nanometer calcium carbonate, 5-15 parts of zinc sulfate, 5-15 parts of calcium stearate, 5-15 parts of barium stearate, sodium hydroxide 10-20
Part, 0.5-1.5 parts of pentaerythritol ester, 2-7 parts of stearic acid, 2-7 parts of glycerin monostearate；Preparation method is：Chlorination is dilute
Soil, mischmetal, nanometer calcium carbonate are placed in measuring bottle, complete with deionized water dissolving, then sulphur is added in ultrasonic disperse 0.5-1h
Sour zinc, calcium stearate, barium stearate, sodium hydroxide, measuring bottle is placed in magnetic stirring apparatus, is heated to 80-100 while stirring
DEG C, isothermal reaction 0.5-1.5h adds stearic acid, glycerin monostearate the reaction was continued 0.5h, adds pentaerythritol ester
React 1-2.5h, take out, 105 DEG C of dryings, grinding, cross 200 meshes to get.
The modified silicon carbide includes the raw material of following parts by weight：45-55 parts of silicon carbide, 1-10 parts of lauryl glucoside,
1-5 parts of zinc stearate, 0.5-1.5 parts of calcium stearate, 5-15 parts of nanometer calcium carbonate, 10-20 parts of talcum powder；Preparation method is：
Nanometer calcium carbonate, lauryl glucoside and zinc stearate are added into silicon carbide, after being sufficiently mixed, is sent into ball mill, ball milling 3-
4h adds calcium stearate and talcum powder, after mixing, continues ball milling 8-10h, takes out, in 200-300 DEG C of drying 4-5h,
It is cooling, be sealed to get.
The modified wollastonite powder includes the raw material of following parts by weight：45-55 parts of wollastonite in powder, calcined kaolin 5-15
Part, 1-10 parts of nano-titanium dioxide, 0.2-1 parts of sodium pyrophosphate, 1-5 parts of butyl stearate, 2-8 parts of fatty alcohol polyoxyethylene ether,
0.5-1.5 parts of hydrochloric acid, 1-5 parts of deionized water；Preparation method is：Wollastonite is ground, 200-300 mesh is crossed, calcining is added
Kaolin, nano-titanium dioxide and sodium pyrophosphate, it is complete with deionized water dissolving, hydrochloric acid is added, 50-80 DEG C of stirring 1-2h is mixed
Even, ultrasonic disperse 0.5-1.5h is then transferred in reaction kettle, and butyl stearate and fatty alcohol polyoxyethylene ether is added, in
Constant pressure reacts 2-4h under the conditions of 3.0-5.0MPa, and the revolving speed after taking-up through 600-800r/min is centrifuged 5-10min, 105 DEG C of dryings
3-4h, cooling, 200 meshes are crossed in grinding, be sealed to get.
The concentration of the hydrochloric acid is 0.1-3mol/L.
The present invention also provides a kind of processing technologys of impact-resistant PVC wallboard, include the following steps：
(1) each raw material is weighed according to above-mentioned weight；
(2) high-speed mixer is added in polyvinyl chloride resin, CPE resin, ACR resin, rare earth composite stabilizer, epoxidized soybean oil
In, it covers；First low rate start motor enters mixed at high speed after normal；
(3) at 60 DEG C or so, dibutyl adipate, pentaerythrite are added in material under high revolving speed；
It (4), will modified silicon carbide, modified wollastonite powder, carboxymethyl cellulose, oxidation under high revolving speed at 80 DEG C or so
Zinc, titanium dioxide, antioxidant 1076 are added in material；
(5) at 90 DEG C or so, oxidized polyethylene wax is added in material under high revolving speed；
(6) at 90 DEG C -100 DEG C or so, discharging is shut down, mixed material is sent into freezing equipment, is carried out at freezing
Reason；
(7) the material feeding after step (6) freezing is preheated in advance in 180-245 DEG C of injection moulding machine machine barrel, into
Row fusion plastification；
(8) under the conditions of 60-150MPa, supercritical fluid carbon dioxide is rapidly injected in injection moulding machine machine barrel
In plastic melt, by screw rod shearing, makes supercritical fluid carbon dioxide dispersion homogenizing, sufficiently dissolved with macromolecule melt, shape
At single-phase melt body, pressure at this time is kept, after saturation balance, mold is injected into and carries out mold filling, cooling is fixed after the completion of mold filling
Type；
(9) mould pickup is opened, and deburring, cutting are carried out to obtained PVC wallboard；
(10) it tests to obtained PVC wallboard, can dispatch from the factory after qualified.
Further, the freezing processing in the step (6) is that material is put into subzero 20 DEG C of environment to freeze 2-3h,
Material is then taken out, when temperature is restored to subzero 5-10 DEG C, subzero 5-10 DEG C of environment is put it into and continues to freeze 3-5h.
Further, the temperature of mold is 30-80 DEG C in the step (8).
The beneficial effects of the invention are as follows：
(1) PVC wallboard proposed by the present invention is as made from fretting map Shooting Technique, and fretting map Shooting Technique can make
The cycle period of product reduces 60% or so, to reduce cost；The leftover bits and pieces ratio of injection-molded item reduces simultaneously, the energy of equipment
It consumes also lower；
(2) PVC wallboard proposed by the present invention is added to CPE resin, ACR resin in the feed, makes polyvinyl chloride resin and they
Copolymerization system is formed, deformation and shear band using CPE resin and ACR resin itself sponge the impact energy in material, thus
Reach shock proof mother, in addition, the formation of copolymerization system also makes obtained PVC wallboard stability more preferable；
(3) present invention joined the substances such as modified silicon carbide, modified wollastonite powder in the feed, intrinsic resistance to using them
Mill property and robustness, wearability, hardness of Reinforced PVC wallboard etc. in addition, also added rare earth composite stabilizer make PVC wallboard
Stability further increase, to prolong the service life；
(4) freezing processing is additionally used in manufacturing process of the invention, in raw material after adequately mixing, then carried out cold
Jelly processing, can increase toughness, robustness, ageing resistance and the stability of PVC wallboard, enable obtained PVC wallboard
Different environment is adapted to, the region for keeping its applicable is wider；
(5) PVC wallboard produced by the present invention has excellent shock resistance, mechanical property, stability and the feature of environmental protection
The features such as, so that its comprehensive performance and the market competitiveness is had greatly improved.
Specific embodiment：
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
Embodiment 1
A kind of impact-resistant PVC wallboard, the raw material comprising following parts by weight：40 parts of polyvinyl chloride resin, 15 parts of CPE resin, ACR tree
6 parts of rouge, 8 parts of rare earth composite stabilizer, 1 part of epoxidized soybean oil, 0.5 part of pentaerythrite, 0.2 part of oxidized polyethylene wax, adipic acid
7 parts of dioctyl ester, modified 10 parts of silicon carbide, 5 parts of modified wollastonite powder, 8 parts of carboxymethyl cellulose, 1 part of zinc oxide, titanium dioxide 0.5
Part, 1 part of antioxidant 1076.
Rare earth composite stabilizer includes the raw material of following parts by weight：15 parts of rare earth chloride, 15 parts of mischmetal, nano-calcium carbonate
15 parts of calcium, 10 parts of zinc sulfate, 10 parts of calcium stearate, 10 parts of barium stearate, 14 parts of sodium hydroxide, 1 part of pentaerythritol ester, stearic acid
5 parts, 5 parts of glycerin monostearate；Preparation method is：Rare earth chloride, mischmetal, nanometer calcium carbonate are placed in measuring bottle,
Complete with deionized water dissolving, then ultrasonic disperse 1h is added zinc sulfate, calcium stearate, barium stearate, sodium hydroxide, will measure
Bottle is placed in magnetic stirring apparatus, is heated to 90 DEG C while stirring, isothermal reaction 1.5h adds stearic acid, glycerol monostearate
Ester the reaction was continued 0.5h adds pentaerythritol ester reaction 2h, takes out, 105 DEG C of dryings, grinding, cross 200 meshes to get.
Modified silicon carbide includes the raw material of following parts by weight：50 parts of silicon carbide, 5 parts of lauryl glucoside, zinc stearate 3
Part, 1 part of calcium stearate, 10 parts of nanometer calcium carbonate, 15 parts of talcum powder；Preparation method is：Nano-calcium carbonate is added into silicon carbide
Calcium, lauryl glucoside and zinc stearate after being sufficiently mixed, are sent into ball mill, and ball milling 3h adds calcium stearate and talcum
Powder continues ball milling 10h after mixing, takes out, and in 200 DEG C of drying 5h, cools down, be sealed to get.
The modified wollastonite powder includes the raw material of following parts by weight：50 parts of wollastonite in powder, calcined kaolin 10 part, nanometer
5 parts of titanium dioxide, 0.5 part of sodium pyrophosphate, 2 parts of butyl stearate, 5 parts of fatty alcohol polyoxyethylene ether, 1 part of 0.5mol/L hydrochloric acid,
3 parts of deionized water；Preparation method is：Wollastonite is ground, 200-300 mesh is crossed, calcined kaolin, nanometer titanium dioxide is added
Titanium and sodium pyrophosphate, it is complete with deionized water dissolving, 0.5mol/L hydrochloric acid is added, 80 DEG C of stirring 2h are mixed, ultrasonic disperse 1h,
It being then transferred in reaction kettle, butyl stearate and fatty alcohol polyoxyethylene ether is added, constant pressure reacts 3h under the conditions of 4.0MPa,
Revolving speed after taking-up through 600r/min is centrifuged 5min, 105 DEG C of dry 4h, cooling, grinding, 200 meshes of mistake, be sealed to get.
The present invention also provides a kind of processing technologys of impact-resistant PVC wallboard, include the following steps：
(1) each raw material is weighed according to above-mentioned weight；
(2) high-speed mixer is added in polyvinyl chloride resin, CPE resin, ACR resin, rare earth composite stabilizer, epoxidized soybean oil
In, it covers；First low rate start motor enters mixed at high speed after normal；
(3) at 60 DEG C or so, dibutyl adipate, pentaerythrite are added in material under high revolving speed；
It (4), will modified silicon carbide, modified wollastonite powder, carboxymethyl cellulose, oxidation under high revolving speed at 80 DEG C or so
Zinc, titanium dioxide, antioxidant 1076 are added in material；
(5) at 90 DEG C or so, oxidized polyethylene wax is added in material under high revolving speed；
(6) at 95 DEG C or so, discharging is shut down, mixed material is sent into freezing equipment, carries out freezing processing；
(7) the material feeding after step (6) freezing is preheated in advance in 220 DEG C of injection moulding machine machine barrel, is melted
Melt plasticizing；
(8) under the conditions of 120MPa, supercritical fluid carbon dioxide is rapidly injected the modeling in injection moulding machine machine barrel
Expect in melt, by screw rod shearing, makes supercritical fluid carbon dioxide dispersion homogenizing, sufficiently dissolve, formed with macromolecule melt
Single-phase melt body keeps pressure at this time, after saturation balance, is injected into 60 DEG C of molds and carries out mold fillings, cold after the completion of mold filling
But it is formed；
(9) mould pickup is opened, and deburring, cutting are carried out to obtained PVC wallboard；
(10) it tests to obtained PVC wallboard, can dispatch from the factory after qualified.
Freezing processing in step (6) is that material is put into subzero 20 DEG C of environment to freeze 3h, then takes out material, to
When temperature is restored to subzero 10 DEG C, puts it into subzero 10 DEG C of environment and continue to freeze 4h.
Embodiment 2
A kind of impact-resistant PVC wallboard, the raw material comprising following parts by weight：45 parts of polyvinyl chloride resin, 10 parts of CPE resin, ACR tree
8 parts of rouge, 5 parts of rare earth composite stabilizer, 2 parts of epoxidized soybean oil, 0.3 part of pentaerythrite, 0.5 part of oxidized polyethylene wax, adipic acid
5 parts of dioctyl ester, modified 7 parts of silicon carbide, 6 parts of modified wollastonite powder, 4 parts of carboxymethyl cellulose, 3 parts of zinc oxide, 1 part of titanium dioxide,
3 parts of antioxidant 1076.
Rare earth composite stabilizer includes the raw material of following parts by weight：15 parts of rare earth chloride, 15 parts of mischmetal, nano-calcium carbonate
15 parts of calcium, 10 parts of zinc sulfate, 10 parts of calcium stearate, 10 parts of barium stearate, 14 parts of sodium hydroxide, 1 part of pentaerythritol ester, stearic acid
5 parts, 5 parts of glycerin monostearate；Preparation method is：Rare earth chloride, mischmetal, nanometer calcium carbonate are placed in measuring bottle,
Complete with deionized water dissolving, then ultrasonic disperse 1h is added zinc sulfate, calcium stearate, barium stearate, sodium hydroxide, will measure
Bottle is placed in magnetic stirring apparatus, is heated to 90 DEG C while stirring, isothermal reaction 1.5h adds stearic acid, glycerol monostearate
Ester the reaction was continued 0.5h adds pentaerythritol ester reaction 2h, takes out, 105 DEG C of dryings, grinding, cross 200 meshes to get.
Modified silicon carbide includes the raw material of following parts by weight：50 parts of silicon carbide, 5 parts of lauryl glucoside, zinc stearate 3
Part, 1 part of calcium stearate, 10 parts of nanometer calcium carbonate, 15 parts of talcum powder；Preparation method is：Nano-calcium carbonate is added into silicon carbide
Calcium, lauryl glucoside and zinc stearate after being sufficiently mixed, are sent into ball mill, and ball milling 3h adds calcium stearate and talcum
Powder continues ball milling 10h after mixing, takes out, and in 200 DEG C of drying 5h, cools down, be sealed to get.
The modified wollastonite powder includes the raw material of following parts by weight：50 parts of wollastonite in powder, calcined kaolin 10 part, nanometer
5 parts of titanium dioxide, 0.5 part of sodium pyrophosphate, 2 parts of butyl stearate, 5 parts of fatty alcohol polyoxyethylene ether, 1 part of 0.5mol/L hydrochloric acid,
3 parts of deionized water；Preparation method is：Wollastonite is ground, 200-300 mesh is crossed, calcined kaolin, nanometer titanium dioxide is added
Titanium and sodium pyrophosphate, it is complete with deionized water dissolving, 0.5mol/L hydrochloric acid is added, 80 DEG C of stirring 2h are mixed, ultrasonic disperse 1h,
It being then transferred in reaction kettle, butyl stearate and fatty alcohol polyoxyethylene ether is added, constant pressure reacts 3h under the conditions of 4.0MPa,
Revolving speed after taking-up through 600r/min is centrifuged 5min, 105 DEG C of dry 4h, cooling, grinding, 200 meshes of mistake, be sealed to get.
The present invention also provides a kind of processing technologys of impact-resistant PVC wallboard, include the following steps：
(1) each raw material is weighed according to above-mentioned weight；
(2) high-speed mixer is added in polyvinyl chloride resin, CPE resin, ACR resin, rare earth composite stabilizer, epoxidized soybean oil
In, it covers；First low rate start motor enters mixed at high speed after normal；
(3) at 60 DEG C or so, dibutyl adipate, pentaerythrite are added in material under high revolving speed；
It (4), will modified silicon carbide, modified wollastonite powder, carboxymethyl cellulose, oxidation under high revolving speed at 80 DEG C or so
Zinc, titanium dioxide, antioxidant 1076 are added in material；
(5) at 90 DEG C or so, oxidized polyethylene wax is added in material under high revolving speed；
(6) at 95 DEG C or so, discharging is shut down, mixed material is sent into freezing equipment, carries out freezing processing；
(7) the material feeding after step (6) freezing is preheated in advance in 220 DEG C of injection moulding machine machine barrel, is melted
Melt plasticizing；
(8) under the conditions of 120MPa, supercritical fluid carbon dioxide is rapidly injected the modeling in injection moulding machine machine barrel
Expect in melt, by screw rod shearing, makes supercritical fluid carbon dioxide dispersion homogenizing, sufficiently dissolve, formed with macromolecule melt
Single-phase melt body keeps pressure at this time, after saturation balance, is injected into 60 DEG C of molds and carries out mold fillings, cold after the completion of mold filling
But it is formed；
(9) mould pickup is opened, and deburring, cutting are carried out to obtained PVC wallboard；
(10) it tests to obtained PVC wallboard, can dispatch from the factory after qualified.
Freezing processing in step (6) is that material is put into subzero 20 DEG C of environment to freeze 3h, then takes out material, to
When temperature is restored to subzero 10 DEG C, puts it into subzero 10 DEG C of environment and continue to freeze 4h.
Embodiment 3
A kind of impact-resistant PVC wallboard, the raw material comprising following parts by weight：50 parts of polyvinyl chloride resin, 5 parts of CPE resin, ACR resin
10 parts, 2 parts of rare earth composite stabilizer, 5 parts of epoxidized soybean oil, 0.2 part of pentaerythrite, 1 part of oxidized polyethylene wax, adipic acid two it is pungent
2 parts of ester, 10 parts of modified wollastonite powder, 2 parts of carboxymethyl cellulose, 5 parts of zinc oxide, 1.5 parts of titanium dioxide, resists modified 5 parts of silicon carbide
10765 parts of oxygen agent.
Rare earth composite stabilizer includes the raw material of following parts by weight：15 parts of rare earth chloride, 15 parts of mischmetal, nano-calcium carbonate
15 parts of calcium, 10 parts of zinc sulfate, 10 parts of calcium stearate, 10 parts of barium stearate, 14 parts of sodium hydroxide, 1 part of pentaerythritol ester, stearic acid
5 parts, 5 parts of glycerin monostearate；Preparation method is：Rare earth chloride, mischmetal, nanometer calcium carbonate are placed in measuring bottle,
Complete with deionized water dissolving, then ultrasonic disperse 1h is added zinc sulfate, calcium stearate, barium stearate, sodium hydroxide, will measure
Bottle is placed in magnetic stirring apparatus, is heated to 90 DEG C while stirring, isothermal reaction 1.5h adds stearic acid, glycerol monostearate
Ester the reaction was continued 0.5h adds pentaerythritol ester reaction 2h, takes out, 105 DEG C of dryings, grinding, cross 200 meshes to get.
Modified silicon carbide includes the raw material of following parts by weight：50 parts of silicon carbide, 5 parts of lauryl glucoside, zinc stearate 3
Part, 1 part of calcium stearate, 10 parts of nanometer calcium carbonate, 15 parts of talcum powder；Preparation method is：Nano-calcium carbonate is added into silicon carbide
Calcium, lauryl glucoside and zinc stearate after being sufficiently mixed, are sent into ball mill, and ball milling 3h adds calcium stearate and talcum
Powder continues ball milling 10h after mixing, takes out, and in 200 DEG C of drying 5h, cools down, be sealed to get.
The modified wollastonite powder includes the raw material of following parts by weight：50 parts of wollastonite in powder, calcined kaolin 10 part, nanometer
5 parts of titanium dioxide, 0.5 part of sodium pyrophosphate, 2 parts of butyl stearate, 5 parts of fatty alcohol polyoxyethylene ether, 1 part of 0.5mol/L hydrochloric acid,
3 parts of deionized water；Preparation method is：Wollastonite is ground, 200-300 mesh is crossed, calcined kaolin, nanometer titanium dioxide is added
Titanium and sodium pyrophosphate, it is complete with deionized water dissolving, 0.5mol/L hydrochloric acid is added, 80 DEG C of stirring 2h are mixed, ultrasonic disperse 1h,
It being then transferred in reaction kettle, butyl stearate and fatty alcohol polyoxyethylene ether is added, constant pressure reacts 3h under the conditions of 4.0MPa,
Revolving speed after taking-up through 600r/min is centrifuged 5min, 105 DEG C of dry 4h, cooling, grinding, 200 meshes of mistake, be sealed to get.
The present invention also provides a kind of processing technologys of impact-resistant PVC wallboard, include the following steps：
(1) each raw material is weighed according to above-mentioned weight；
(2) high-speed mixer is added in polyvinyl chloride resin, CPE resin, ACR resin, rare earth composite stabilizer, epoxidized soybean oil
In, it covers；First low rate start motor enters mixed at high speed after normal；
(3) at 60 DEG C or so, dibutyl adipate, pentaerythrite are added in material under high revolving speed；
It (4), will modified silicon carbide, modified wollastonite powder, carboxymethyl cellulose, oxidation under high revolving speed at 80 DEG C or so
Zinc, titanium dioxide, antioxidant 1076 are added in material；
(5) at 90 DEG C or so, oxidized polyethylene wax is added in material under high revolving speed；
(6) at 95 DEG C or so, discharging is shut down, mixed material is sent into freezing equipment, carries out freezing processing；
(7) the material feeding after step (6) freezing is preheated in advance in 220 DEG C of injection moulding machine machine barrel, is melted
Melt plasticizing；
(8) under the conditions of 120MPa, supercritical fluid carbon dioxide is rapidly injected the modeling in injection moulding machine machine barrel
Expect in melt, by screw rod shearing, makes supercritical fluid carbon dioxide dispersion homogenizing, sufficiently dissolve, formed with macromolecule melt
Single-phase melt body keeps pressure at this time, after saturation balance, is injected into 60 DEG C of molds and carries out mold fillings, cold after the completion of mold filling
But it is formed；
(9) mould pickup is opened, and deburring, cutting are carried out to obtained PVC wallboard；
(10) it tests to obtained PVC wallboard, can dispatch from the factory after qualified.
Freezing processing in step (6) is that material is put into subzero 20 DEG C of environment to freeze 3h, then takes out material, to
When temperature is restored to subzero 10 DEG C, puts it into subzero 10 DEG C of environment and continue to freeze 4h.
Reference examples
Using existing commercially available PVC wallboard as reference examples.
Following performance test is carried out to the PVC wallboard of embodiment 1-3, reference examples respectively：(a) PVC wallboard to be measured is impregnated
48h in water measures the deformation ratio of its side length, as a result such as table 1；(b) according to national standards GB/T1040.1-2006 and
The examination criteria of GB11548-1989 carries out Mechanics Performance Testing to PVC wallboard to be measured, as a result such as table 2.
Table 1
| Test item | Embodiment 1 | Embodiment 2 | Embodiment 3 | Reference examples |
| Size changing rate % | 0.25 | 0.15 | 0.26 | 3.80 |
Table 2
| Test item | Embodiment 1 | Embodiment 2 | Embodiment 3 | Reference examples |
| Tensile strength (MPa) | 39.5 | 41.8 | 39.1 | 21.4 |
| Elongation at break (%) | 17.9 | 19.7 | 17.5 | 7.9 |
| Shock strength (KJ/m2) | 104 | 112 | 101 | 68 |
As can be known from Table 1, the PVC wallboard obtained by the present invention has waterproof and dampproof effect, and has excellent performance；From table 2
In it is found that PVC wallboard obtained by the present invention have stronger tensile strength, impact strength and higher elongation at break,
Its mechanical property is superior to the PVC wallboard sold currently on the market.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. a kind of impact-resistant PVC wallboard, it is characterised in that：Raw material comprising following parts by weight：40-50 parts of polyvinyl chloride resin, CPE tree
5-15 parts of rouge, 6-10 parts of ACR resin, 2-8 parts of rare earth composite stabilizer, 1-5 parts of epoxidized soybean oil, 0.2-0.5 parts of pentaerythrite,
0.2-1 parts of oxidized polyethylene wax, 2-7 parts of dioctyl adipate, modified silicon carbide 5-10 parts, 5-10 parts of modified wollastonite powder, carboxylic
2-8 parts of methylcellulose, 1-5 parts of zinc oxide, 0.5-1.5 parts of titanium dioxide, 1-5 parts of antioxidant 1076.
2. impact-resistant PVC wallboard according to claim 1, it is characterised in that：The impact-resistant PVC wallboard, it is preferably following
The raw material of parts by weight：45 parts of polyvinyl chloride resin, 10 parts of CPE resin, 8 parts of ACR resin, 5 parts of rare earth composite stabilizer, epoxidized soybean oil 2
Part, 0.3 part of pentaerythrite, 0.5 part of oxidized polyethylene wax, 5 parts of dioctyl adipate, modified 7 parts of silicon carbide, modified wollastonite powder
6 parts, 4 parts of carboxymethyl cellulose, 3 parts of zinc oxide, 1 part of titanium dioxide, 3 parts of antioxidant 1076.
3. impact-resistant PVC wallboard according to claim 1, it is characterised in that：The rare earth composite stabilizer includes following
The raw material of parts by weight：10-20 parts of rare earth chloride, 10-20 parts of mischmetal, 10-20 parts of nanometer calcium carbonate, 5-15 parts of zinc sulfate,
5-15 parts of calcium stearate, 5-15 parts of barium stearate, 10-20 parts of sodium hydroxide, 0.5-1.5 parts of pentaerythritol ester, stearic acid 2-7
Part, 2-7 parts of glycerin monostearate；Preparation method is：Rare earth chloride, mischmetal, nanometer calcium carbonate are placed in measuring bottle,
Complete with deionized water dissolving, then zinc sulfate, calcium stearate, barium stearate, sodium hydroxide is added in ultrasonic disperse 0.5-1h,
Measuring bottle is placed in magnetic stirring apparatus, is heated to 80-100 DEG C, isothermal reaction 0.5-1.5h while stirring, add stearic acid,
Glycerin monostearate the reaction was continued 0.5h adds pentaerythritol ester reaction 1-2.5h, takes out, 105 DEG C of dryings, grinding, mistake
200 meshes to get.
4. impact-resistant PVC wallboard according to claim 1, it is characterised in that：The modified silicon carbide includes following weight
The raw material of part：45-55 parts of silicon carbide, 1-5 parts of zinc stearate, 0.5-1.5 parts of calcium stearate, is received 1-10 parts of lauryl glucoside
Rice 5-15 parts of calcium carbonate, 10-20 parts of talcum powder；Preparation method is：Nanometer calcium carbonate, lauryl glucose are added into silicon carbide
Glycosides and zinc stearate after being sufficiently mixed, are sent into ball mill, and ball milling 3-4h adds calcium stearate and talcum powder, is uniformly mixed
Afterwards, continue ball milling 8-10h, take out, in 200-300 DEG C of drying 4-5h, cool down, be sealed to get.
5. impact-resistant PVC wallboard according to claim 1, it is characterised in that：The modified wollastonite powder includes following heavy
Measure the raw material of part：45-55 parts of wollastonite in powder, 5-15 parts of calcined kaolin, 1-10 parts of nano-titanium dioxide, sodium pyrophosphate 0.2-1
Part, 1-5 parts of butyl stearate, 2-8 parts of fatty alcohol polyoxyethylene ether, 0.5-1.5 parts of hydrochloric acid, 1-5 parts of deionized water；Its preparation side
Method is：Wollastonite is ground, 200-300 mesh is crossed, calcined kaolin, nano-titanium dioxide and sodium pyrophosphate is added, spend from
Completely, hydrochloric acid is added in sub- water dissolution, and 50-80 DEG C of stirring 1-2h is mixed, and ultrasonic disperse 0.5-1.5h is then transferred to reaction kettle
In, butyl stearate and fatty alcohol polyoxyethylene ether is added, constant pressure reacts 2-4h under the conditions of 3.0-5.0MPa, passes through after taking-up
The revolving speed of 600-800r/min is centrifuged 5-10min, 105 DEG C of dry 3-4h, cooling, and grinding is crossed 200 meshes, is sealed, i.e.,
?.
6. impact-resistant PVC wallboard according to claim 5, it is characterised in that：The concentration of the hydrochloric acid is 0.1-3mol/L.
7. a kind of processing technology of impact-resistant PVC wallboard, it is characterised in that：Include the following steps：
(1) each raw material is weighed according to above-mentioned weight；
(2) polyvinyl chloride resin, CPE resin, ACR resin, rare earth composite stabilizer, epoxidized soybean oil are added in high-speed mixer, lid
Good lid；First low rate start motor enters mixed at high speed after normal；
(3) at 60 DEG C or so, dibutyl adipate, pentaerythrite are added in material under high revolving speed；
(4) at 80 DEG C or so, under high revolving speed will modified silicon carbide, modified wollastonite powder, carboxymethyl cellulose, zinc oxide,
Titanium dioxide, antioxidant 1076 are added in material；
(5) at 90 DEG C or so, oxidized polyethylene wax is added in material under high revolving speed；
(6) at 90 DEG C -100 DEG C or so, discharging is shut down, mixed material is sent into freezing equipment, carries out freezing processing；
(7) the material feeding after step (6) freezing is preheated in advance in 180-245 DEG C of injection moulding machine machine barrel, is melted
Melt plasticizing；
(8) under the conditions of 60-150MPa, supercritical fluid carbon dioxide is rapidly injected the plastics in injection moulding machine machine barrel
In melt, by screw rod shearing, makes supercritical fluid carbon dioxide dispersion homogenizing, sufficiently dissolved with macromolecule melt, formed single
Phase melt body keeps pressure at this time, after saturation balance, is injected into mold and carries out mold filling, cooling and shaping after the completion of mold filling；
(9) mould pickup is opened, and deburring, cutting are carried out to obtained PVC wallboard；
(10) it tests to obtained PVC wallboard, can dispatch from the factory after qualified.
8. the processing technology of impact-resistant PVC wallboard according to claim 7, it is characterised in that：It is cold in the step (6)
Freeze processing and freeze 2-3h for material to be put into subzero 20 DEG C of environment, then takes out material, restore to temperature to subzero 5-10
DEG C when, put it into subzero 5-10 DEG C of environment and continue to freeze 3-5h.
9. the processing technology of impact-resistant PVC wallboard according to claim 7, it is characterised in that：Mold in the step (8)
Temperature be 30-80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897125.7A CN108912556A (en) | 2018-08-08 | 2018-08-08 | A kind of impact-resistant PVC wallboard and its processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897125.7A CN108912556A (en) | 2018-08-08 | 2018-08-08 | A kind of impact-resistant PVC wallboard and its processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108912556A true CN108912556A (en) | 2018-11-30 |
Family
ID=64397218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810897125.7A Pending CN108912556A (en) | 2018-08-08 | 2018-08-08 | A kind of impact-resistant PVC wallboard and its processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108912556A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114055600A (en) * | 2021-10-18 | 2022-02-18 | 福建思嘉新材料科技有限公司 | Novel micro-foaming SPC wallboard and processing method and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1760256A (en) * | 2004-10-15 | 2006-04-19 | 山东隆发钢板有限公司 | Faceplate of rigid polyvinyl chloride, and producing method |
| CN102391594A (en) * | 2011-12-06 | 2012-03-28 | 山东博拓塑业股份有限公司 | Polyvinyl chloride foamed plate and preparation method thereof |
| CN102942754A (en) * | 2012-12-07 | 2013-02-27 | 山东博拓塑业股份有限公司 | High-hardness polyvinyl chloride free foaming plate material and preparation method of same |
| CN106985327A (en) * | 2017-06-02 | 2017-07-28 | 段辉 | The preparation method and its plastics or plastic base composite material of the overcritical high optical plastic of fretting map and plastic base composite material |
-
2018
- 2018-08-08 CN CN201810897125.7A patent/CN108912556A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1760256A (en) * | 2004-10-15 | 2006-04-19 | 山东隆发钢板有限公司 | Faceplate of rigid polyvinyl chloride, and producing method |
| CN102391594A (en) * | 2011-12-06 | 2012-03-28 | 山东博拓塑业股份有限公司 | Polyvinyl chloride foamed plate and preparation method thereof |
| CN102942754A (en) * | 2012-12-07 | 2013-02-27 | 山东博拓塑业股份有限公司 | High-hardness polyvinyl chloride free foaming plate material and preparation method of same |
| CN106985327A (en) * | 2017-06-02 | 2017-07-28 | 段辉 | The preparation method and its plastics or plastic base composite material of the overcritical high optical plastic of fretting map and plastic base composite material |
Non-Patent Citations (2)
| Title |
|---|
| ***主编: "《材料成型工艺基础》", 29 February 2016, 西安电子科技大学出版社 * |
| 贾润礼等编著: "《塑料成型加工新技术》", 31 October 2006, 国防工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114055600A (en) * | 2021-10-18 | 2022-02-18 | 福建思嘉新材料科技有限公司 | Novel micro-foaming SPC wallboard and processing method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106009572A (en) | PLA modified material applied to 3D printing of large casting molds, and method of PLA modified material | |
| CN100497458C (en) | Biologically degradable starch base high molecular composition, film made thereof, and its preparing method | |
| CN104592686B (en) | For pvc material manufacturing table tennis and preparation method thereof | |
| CN105647137A (en) | 3D printing polylactic acid /leather powder composite materials and preparation method thereof | |
| CN106967280A (en) | A kind of preparation method of the fully biodegradable foamed material of high magnification | |
| CN105419266A (en) | 3D (three dimensional) printing material and preparation method thereof | |
| CN109553944A (en) | A kind of polylactic acid terblending modification film and preparation method thereof | |
| CN104292696A (en) | Polyvinyl chloride (PVC) foamed sheet and preparation method thereof | |
| CN106589650A (en) | Fine-performance plastic material and preparation method thereof | |
| CN102911454A (en) | PVC (polyvinyl chloride)/ABS (acrylonitrile butadiene styrene copolymer)/CPE (chlorinated polyethylene) pipe with high impact resistance and method for preparing same | |
| CN101670664A (en) | Production process for biaxially orienting polyvinyl chloride pressure-bearing pipe material on line | |
| CN108912557A (en) | A kind of flame retardant type PVC wallboard and its processing technology | |
| CN113444346A (en) | Organic and inorganic filled PBAT complete biodegradable material composition and particles and film prepared from same | |
| CN108912556A (en) | A kind of impact-resistant PVC wallboard and its processing technology | |
| CN105218925A (en) | A kind of stone of controlled degradation moulds Environmental protection bag and preparation technology thereof | |
| CN109082035A (en) | A kind of anti-aging PVC wallboard and its processing technology | |
| CN103831966A (en) | Method for manufacturing heat-resistance polylactic acid water bottle | |
| CN113214615B (en) | Ternary complete biodegradable film and preparation method thereof | |
| CN105694206B (en) | A kind of method for making foaming agent production long glass fiber-reinforced polypropylene foaming injection product with water | |
| US11130259B1 (en) | Device and method for online preparation of modified polylactic acid material with polylactic acid melt | |
| CN106566172A (en) | Preparation method of elastic damping SBS material | |
| CN109265857A (en) | A kind of safe environment protection type PVC buckle and its processing method | |
| CN101845172B (en) | Polypropylene high-filled toughening masterbatch and preparation method thereof | |
| CN101320789B (en) | High ductility accumulator housing and preparation method | |
| CN103724752A (en) | Novel environment-friendly mulching film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181130 |
|
| RJ01 | Rejection of invention patent application after publication |