CN104629205A - Environment-friendly anti-fog dripping-free agricultural polyvinyl chloride shed plastic film and manufacturing method thereof - Google Patents
Environment-friendly anti-fog dripping-free agricultural polyvinyl chloride shed plastic film and manufacturing method thereof Download PDFInfo
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- CN104629205A CN104629205A CN201310544081.7A CN201310544081A CN104629205A CN 104629205 A CN104629205 A CN 104629205A CN 201310544081 A CN201310544081 A CN 201310544081A CN 104629205 A CN104629205 A CN 104629205A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
- A01G9/1407—Greenhouses of flexible synthetic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
- C08K5/1515—Three-membered rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The invention relates to an anti-fog dripping-free agricultural polyvinyl chloride shed plastic film and a manufacturing method thereof, and specifically provides an environment-friendly anti-fog dripping-free agricultural polyvinyl chloride shed plastic film with dripping-free, anti-fog, transparent and anti-aging functions. A lead-free cadmium-free barium / zinc composite stabilizer is adopted to meet requirements of the agricultural polyvinyl chloride anti-fog dripping-free film processing technology and 12 months outdoor weather resistance, and does not affect the dripping-free, anti-fog, transparent and anti-aging functions of the shed plastic film. Therefore, the invention can effectively reduce the hazards of heavy metal salt to human and environment in processing and usage, and is safe and environment-friendly.
Description
Technical field
The present invention relates to a kind of agricultural polychloroethylene antifog non-drop greenhouse film and manufacture method thereof, a kind ofly specifically have without dripping, the Environmental-protection agricultural polychloroethylene antifog non-drop greenhouse film of antifog, transparent and ageing-resistant function.
Background technology
Polyvinyl chloride (PVC) plastics have inexpensive, the plurality of advantages such as intensity is high, the corrosion-resistant and transparency is good.In canopy film, usage quantity is only second to polyethylene.Due to the singularity of polyvinyl chloride molecular structure, make it in externalities as under the conditions such as heat, light, oxygen, easily degraded and crosslinking reaction occur, make its processing difficulties, degradation, therefore the processing use procedure of polyvinyl chloride (PVC) must use stablizer.Thermo-stabilizer common in the market mainly contains lead salts thermo-stabilizer, metal soap (barium, cadmium, zinc) thermo-stabilizer, organic tin thermo-stabilizer, composite type heat stablizer and pure organic compound class.Lead salts thermo-stabilizer is because of its cheap price, excellent thermostability, in occupation of the dominant contribution in thermo-stabilizer market, in polyvinyl chloride transparent soft goods, usage quantity is in first in each type thermal stabilizing agent, and cadmium salt also has a large amount of application in polyvinyl chloride transparent soft goods.
In order to protection of the environment, improve the quality of life of the mankind, from the eighties in last century, countries in the world propose to prohibit the use lead salt in succession, the requirement of cadmium salt class stablizer.In recent years, in China's " arsenic poison ", " blood lead ", " cadmium rice " etc., event takes place frequently, and allows heavy metal contamination become one of public accident of greatest concern; " heavy metal contamination integrated control " the 12 " planning " display of putting into effect in April, 2011, China will carry out emphasis prevention and control to heavy metals such as mercury, cadmium, chromium, lead, so the environment-friendly type plastic sheeting for farm use of lead-free and cadmium-free is consumption and developing direction.
The exploitation of Environmental Protection in China type lead-free and cadmium-free thermo-stabilizer has made great progress, but the overwhelming majority be all for polyvinyl chloride boardy product and packing articles application calcium zinc or barium zinc composite stabilizer, barium zinc composite stabilizer is also mainly used in nontransparent polychlorovinyl sheet material, and does not have successful Application in the transparent soft goods of agricultural polychloroethylene antifog non-drop greenhouse film.
The heat stabilizer system of current domestic PVC plastic sheeting for farm use product utilization is still barium, cadmium, zinc stabilizer.
Polychloroethylene high efficiency fog-free film disclosed in Chinese patent CN99112002.7, wherein thermo-stabilizer is liquid barium cadmium zinc stabilizer and metal soap stablizer.
A kind of polychloroethylene antifog non-drop greenhouse film disclosed in Chinese patent CN200710055236.5, thermo-stabilizer is wherein barium cadmium zinc composite stabilizer.
The disclosed formula adopting waste polystyrol foam material to manufacture artificial polyvinyl chloride leather of Chinese patent CN200810107228.5, the thermo-stabilizer of use is 1-5 weight part barium zinc stabilizer, but it produces is opaque soft sheet material.
By associated viscera disclosed in above patent, can find, barium/zinc composite stabilizer still can not in agricultural polychloroethylene antifog non-drop greenhouse film successful Application.
This is because agricultural polychloroethylene is functional greenhouse film without dripping an Anti-fogging Greenhouse Film, the weathering resistance of outdoor 12 months should be had, and have without dripping, antifog, transparent and ageing-resistant function; Require that the transparency is good, transmittance should reach more than 87%; Higher to the thermal stability requirement of formula in the course of processing.So in the course of processing, when barium/zinc composite stabilizer consumption is few, transparency can reach requirement, but cannot ensure the stability in the course of processing, to such an extent as to canopy film weathering resistance is not enough; When consumption is too much, easily there is spray frost phenomenon, cause transparency to decline, also can affect the antifog non-drop function of film simultaneously.So the application of barium/zinc composite stabilizer in agricultural polychloroethylene antifog non-drop film faces larger problem.
Improve the primary stability of barium/zinc composite stabilizer system agricultural polychloroethylene antifog non-drop greenhouse film formulation, improve initial coloring, reduce barium/zinc composite stabilizer consumption, extend its effectiveness time in the course of processing, improve the weathering resistance of canopy film, and ensure the efficiency time of canopy film antifog non-drop function, be the key solving barium/zinc composite stabilizer application problem in agricultural polychloroethylene antifog non-drop greenhouse film.
Summary of the invention
The object of the invention is to solve background technology Problems existing defect, a kind of Environmental-protection agricultural polychloroethylene antifog non-drop greenhouse film and manufacture method thereof of lead-free and cadmium-free are provided.
The object of the present invention is achieved like this: this Environmental-protection agricultural polychloroethylene antifog non-drop greenhouse film is made by the raw material of following weight proportion:
Polyvinyl chloride (PVC) RESINS 100 parts,
Softening agent 40-55 part,
Barium/zinc composite stabilizer 1.0-4.0 part,
Oxidation inhibitor 1.5-2.5 part,
Agricultural polychloroethylene shed film composite dripless agent 3.0-5.0 part,
Organic fluorine antifogging agent 0.08-0.32 part,
Photostabilizer 0.3-0.5 part,
Tinting material 0.001-0.002 part;
Described polyvinyl chloride (PVC) RESINS is SG-2 type or SG-3 type resin;
Described softening agent is DOP(dioctyl phthalate (DOP)), at least one in DOA (Octyl adipate), epoxy soybean oil;
Described barium/zinc composite stabilizer is at least one in liquid or powder, barium content >=4.0% in liquid barium/zinc composite stabilizer, Zn content >=1.0%, barium content >=8.0% in powder barium/zinc composite stabilizer, Zn content >=2.5%;
Described oxidation inhibitor is at least one in antioxidant 1076, antioxidant 1010 or triphenyl phosphite;
Described agricultural polychloroethylene shed film composite dripless agent (the patent No.: be 200710007173.6) that compound is formulated in proportion with the nonionogenic tenside of the polyol esters of fatty acids class of different carbon chain lengths and anion surfactant;
Described organic fluorine antifogging agent is a kind of take perfluoroalkyl as the non-ionic fluorosurfactant that hydrophobic group and water soluble group are formed for hydrophilic group;
Described photostabilizer is at least one in UV-9 or UV-531;
Described tinting material is the one in phthalocyanine blue, ultramarine, permanent violet.
Its preparation method is as follows:
1., polyvinyl chloride (PVC) RESINS is screened through 40-60 object vibratory screening apparatus network selection;
2., by softening agent, oxidation inhibitor, barium/zinc composite stabilizer, photostabilizer be mixed in proportion and stir, after three-roll grinder porphyrize, slurry is that 80-100 object copper mesh filters by filtering net, is mixed with mixed pulp;
3., by formula rate by polyvinyl chloride (PVC) RESINS, step 2. in obtained mixed pulp, agricultural polychloroethylene shed film composite dripless agent, organic fluorine antifogging agent, tinting material jointly knock down in the high-speed mixer of kneading process and mediate, mediate Heating temperature 120 DEG C-150 DEG C, kneading time 7-10 minute, blowing temperature 115 ± 5 DEG C, flat mixer cooling and stirring sent into by kneaded material, makes mixture temperature be down to 40 DEG C-50 DEG C;
4., by step 3. in the mixture that cool respectively through driving screw temperature be 180 ± 5 DEG C, internal tooth casing front-end temperature is 190 ± 5 DEG C, internal tooth casing back segment temperature is the planetary extruder of 195 ± 5 DEG C and roller temperature is that 175-185 DEG C open is refined two procedures and fully plastified material, is that 80-100 object copper mesh carries out the crowded elimination removal of impurity and to be removed the material of impurity by the material plastified by filtering net;
5., the material of removing impurity evenly being sent into model is SY-4 Γ 2360 type four-roll calender, wherein the roller temperature of 1 roller, 2 rollers be 170-180 DEG C, the roller temperature of 3 rollers, 4 rollers be in the calendering procedure of 180-195 DEG C roll, tentering, finally produce Environmental-protection agricultural polychloroethylene antifog non-drop greenhouse film.
The present invention has the following advantages:
1, safety, environmental protection;
2, the barium/zinc composite stabilizer of the lead-free and cadmium-free of the present invention's employing can meet the weathering resistance requirement of agricultural polychloroethylene antifog non-drop greenhouse film complete processing and outdoor 12 months, do not affect canopy film without dripping, the function such as antifog, transparent and ageing-resistant, effectively can reduce heavy metallic salt harm to human body and environment in processing and use procedure.
Accompanying drawing explanation
Fig. 1 is Environmental-protection agricultural polychloroethylene antifog non-drop greenhouse film manufacturing process flow diagram.
Embodiment
By specific embodiment, the present invention is described in further detail.
embodiment 1
Raw material composition and proportioning as follows: form one
The preparation of product of the present invention uses the formula material in above table one, and by polyvinyl chloride (PVC) RESINS through screening process vibratory screening, screening net is 40 orders; Grinding step is by softening agent (dioctyl phthalate (DOP), hexanodioic acid dibutyl ester), oxidation inhibitor (antioxidant 1076, triphenyl phosphite), barium/zinc composite stabilizer (liquid), photostabilizer UV-9 mixing and stirring, after three-roll grinder porphyrize, slurry is filtered by 100 order copper mesh, is mixed with mixed pulp; By formula rate by polyvinyl chloride (PVC) RESINS, mixed pulp, agricultural polychloroethylene shed film composite dripless agent (number of patent application: 200710007173.6), organic fluorine antifogging agent (great Jin fluorine chemical (China) company limited produce, model DSN-403N), tinting material (phthalocyanine blue) jointly knock down in the high-speed mixer of kneading process and mediate, mediate Heating temperature 120 DEG C, 7 minutes kneading times, blowing temperature 110-115 DEG C; Flat mixer cooling and stirring sent into by kneaded material, makes mixture temperature be down to 40 DEG C; The mixture cooled is produced Environmental-protection agricultural polychloroethylene antifog non-drop greenhouse film through operations such as plasticizing, crowded filter, calendering, tenterings.The driving screw temperature wherein plastifying operation planetary extruder (HT300 type) is 180 DEG C, internal tooth casing front-end temperature 195 DEG C, internal tooth casing back segment temperature 200 DEG C, driving screw rotating speed 40 revs/min; Opening refining operation roller temperature is 180 DEG C; Squeeze filter operation filtering net 100 order; The four-roll calender of SY-4 Γ 2360 type used in four-roll calendaring operation, wherein the roller temperature of 1 roller, 2 rollers, 3 rollers, 4 rollers is followed successively by 170 DEG C, 175 DEG C, 180 DEG C, 185 DEG C.
embodiment 2
Raw material composition and proportioning as follows: form two
The preparation of product of the present invention uses the formula material in above table two, and by polyvinyl chloride (PVC) RESINS through screening process vibratory screening, screening net is 60 orders; Grinding step is by softening agent (dioctyl phthalate (DOP), epoxy soybean oil), oxidation inhibitor (antioxidant 1010, triphenyl phosphite), barium/zinc composite stabilizer (liquid, powder), photostabilizer (UV-531) mixing and stirring, after three-roll grinder porphyrize, slurry is filtered by 80 order copper mesh, is mixed with mixed pulp; By formula rate by polyvinyl chloride (PVC) RESINS, mixed pulp, agricultural polychloroethylene shed film composite dripless agent (number of patent application: 200710007173.6), organic fluorine antifogging agent (great Jin fluorine chemical (China) company limited produce, model DSN-403N), tinting material (ultramarine) jointly knock down in the high-speed mixer of kneading process and mediate, mediate Heating temperature 130 DEG C, 10 minutes kneading times, blowing temperature 115-120 DEG C; Flat mixer cooling and stirring sent into by kneaded material, makes mixture temperature be down to 50 DEG C; The mixture cooled is produced Environmental-protection agricultural polychloroethylene antifog non-drop greenhouse film through operations such as plasticizing, crowded filter, calendering, tenterings.The driving screw temperature wherein plastifying operation planetary extruder (HT300 type) is 185 DEG C, internal tooth casing front-end temperature 190 DEG C, internal tooth casing back segment temperature 195 DEG C, driving screw rotating speed 50 revs/min; Opening refining operation roller temperature is 185 DEG C; Squeeze filter operation filtering net 80 order; The four-roll calender of SY-4 Γ 2360 type used in four-roll calendaring operation, wherein the roller temperature of 1 roller, 2 rollers, 3 rollers, 4 rollers is followed successively by 175 DEG C, 180 DEG C, 190 DEG C, 195 DEG C.
embodiment 3
Raw material composition and proportioning as follows: form three
The preparation of product of the present invention uses the formula material in above table three, and by polyvinyl chloride (PVC) RESINS through screening process vibratory screening, screening net is 60 orders; Grinding step is by softening agent (dioctyl phthalate (DOP), epoxy soybean oil), oxidation inhibitor (antioxidant 1076, triphenyl phosphite), barium/zinc composite stabilizer (powder), photostabilizer (UV-531) mixing and stirring, after three-roll grinder porphyrize, slurry is filtered by 100 order copper mesh, is mixed with mixed pulp; By formula rate by polyvinyl chloride (PVC) RESINS, mixed pulp, agricultural polychloroethylene shed film composite dripless agent (number of patent application: 200710007173.6), organic fluorine antifogging agent (great Jin fluorine chemical (China) company limited produce, model DSN-403N), tinting material (permanent violet) jointly knock down in the high-speed mixer of kneading process and mediate; mediate Heating temperature 150 DEG C; 9 minutes kneading times, blowing temperature 115-120 DEG C; Flat mixer cooling and stirring sent into by kneaded material, makes mixture temperature be down to 45 DEG C; The mixture cooled is produced Environmental-protection agricultural polychloroethylene antifog non-drop greenhouse film through operations such as plasticizing, crowded filter, calendering, tenterings.The driving screw temperature wherein plastifying operation planetary extruder (HT300 type) is 175 DEG C, internal tooth casing front-end temperature 185 DEG C, internal tooth casing back segment temperature 190 DEG C, driving screw rotating speed 60 revs/min; Opening refining operation roller temperature is 175 DEG C; Squeeze filter operation filtering net 100 order; The four-roll calender of SY-4 Γ 2360 type used in four-roll calendaring operation, wherein the roller temperature of 1 roller, 2 rollers, 3 rollers, 4 rollers is followed successively by 170 DEG C, 175 DEG C, 185 DEG C, 190 DEG C.
Conclusion: the Environmental-protection agricultural polychloroethylene antifog non-drop greenhouse film produced by above-described embodiment contrasts as follows with every physical and mechanical properties check data of the agricultural polychloroethylene antifog non-drop greenhouse film using traditional barium cadmium zinc composite stabilizer canopy film formulation to produce:
Remarks: adopt examination criteria to be QB/T2472-2000.
Claims (3)
1. an Environmental-protection agricultural polychloroethylene antifog non-drop greenhouse film, is characterized in that: this Environmental-protection agricultural polychloroethylene antifog non-drop greenhouse film is prepared from by the raw material of following weight proportion:
Polyvinyl chloride (PVC) RESINS 100 parts,
Softening agent 40-55 part,
Barium/zinc composite stabilizer 1.0-4.0 part,
Oxidation inhibitor 1.5-2.5 part,
Agricultural polychloroethylene shed film composite dripless agent 3.0-5.0 part,
Organic fluorine antifogging agent 0.08-0.32 part,
Photostabilizer 0.3-0.5 part,
Tinting material 0.001-0.002 part.
2. a kind of Environmental-protection agricultural polychloroethylene antifog non-drop greenhouse film according to claim 1, is characterized in that:
Described polyvinyl chloride (PVC) RESINS is SG-2 type or SG-3 type resin;
Described softening agent is at least one in dioctyl phthalate (DOP), Octyl adipate, epoxy soybean oil;
Described barium/zinc composite stabilizer is at least one in liquid or powder, barium content >=4.0% in liquid barium/zinc composite stabilizer, Zn content >=1.0%, barium content >=8.0% in powder barium/zinc composite stabilizer, Zn content >=2.5%;
Described oxidation inhibitor is at least one in antioxidant 1076, antioxidant 1010 or triphenyl phosphite;
Described agricultural polychloroethylene shed film composite dripless agent is that compound is formulated in proportion with the nonionogenic tenside of the polyol esters of fatty acids class of different carbon chain lengths and anion surfactant;
Described organic fluorine antifogging agent is a kind of take perfluoroalkyl as the non-ionic fluorosurfactant that hydrophobic group and water soluble group are formed for hydrophilic group;
Described photostabilizer is at least one in UV-9 or UV-531;
Described tinting material is the one in phthalocyanine blue, ultramarine, permanent violet.
3. a manufacture method for Environmental-protection agricultural polychloroethylene antifog non-drop greenhouse film, is characterized in that: the method comprises the steps:
1., polyvinyl chloride (PVC) RESINS is screened through 40-60 object vibratory screening apparatus network selection;
2., by softening agent, oxidation inhibitor, barium/zinc composite stabilizer, photostabilizer mixing and stirring, after three-roll grinder porphyrize, slurry is that 80-100 object copper mesh filters by filtering net, is mixed with mixed pulp;
3., by formula rate by polyvinyl chloride (PVC) RESINS, step 2. in obtained mixed pulp, agricultural polychloroethylene shed film composite dripless agent, organic fluorine antifogging agent, tinting material jointly knock down in the high-speed mixer of kneading process and mediate, mediate Heating temperature 120 DEG C-150 DEG C, kneading time 7-10 minute, blowing temperature 115 ± 5 DEG C, flat mixer cooling and stirring sent into by kneaded material, makes mixture temperature be down to 40 DEG C-50 DEG C;
4., by step 3. in the mixture that cool respectively through driving screw temperature be 180 ± 5 DEG C, internal tooth casing front-end temperature is 190 ± 5 DEG C, internal tooth casing back segment temperature is the planetary extruder of 195 ± 5 DEG C and roller temperature is that 175-185 DEG C open is refined two procedures and fully plastified material, is that 80-100 object copper mesh carries out the crowded elimination removal of impurity and to be removed the material of impurity by the material plastified by filtering net;
5., the material of removing impurity is evenly sent into four-roll calender, wherein the roller temperature of 1 roller, 2 rollers be 170-180 DEG C, the roller temperature of 3 rollers, 4 rollers be in the calendering procedure of 180-195 DEG C roll, tentering, finally produce Environmental-protection agricultural polychloroethylene antifog non-drop greenhouse film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310544081.7A CN104629205A (en) | 2013-11-07 | 2013-11-07 | Environment-friendly anti-fog dripping-free agricultural polyvinyl chloride shed plastic film and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310544081.7A CN104629205A (en) | 2013-11-07 | 2013-11-07 | Environment-friendly anti-fog dripping-free agricultural polyvinyl chloride shed plastic film and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104629205A true CN104629205A (en) | 2015-05-20 |
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| CN201310544081.7A Pending CN104629205A (en) | 2013-11-07 | 2013-11-07 | Environment-friendly anti-fog dripping-free agricultural polyvinyl chloride shed plastic film and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108454128A (en) * | 2017-12-25 | 2018-08-28 | 浙江中盛新材料股份有限公司 | A kind of preparation method of anti-fog disk |
| CN109161133A (en) * | 2018-08-27 | 2019-01-08 | 丹阳西联生物技术有限公司 | A kind of antifogging type composite membrane and its preparation method and application |
-
2013
- 2013-11-07 CN CN201310544081.7A patent/CN104629205A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108454128A (en) * | 2017-12-25 | 2018-08-28 | 浙江中盛新材料股份有限公司 | A kind of preparation method of anti-fog disk |
| CN109161133A (en) * | 2018-08-27 | 2019-01-08 | 丹阳西联生物技术有限公司 | A kind of antifogging type composite membrane and its preparation method and application |
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