CN108250470A - A kind of soft coated thin films of PVC - Google Patents

A kind of soft coated thin films of PVC Download PDF

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Publication number
CN108250470A
CN108250470A CN201711208151.6A CN201711208151A CN108250470A CN 108250470 A CN108250470 A CN 108250470A CN 201711208151 A CN201711208151 A CN 201711208151A CN 108250470 A CN108250470 A CN 108250470A
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pvc
parts
thin films
soft
coated thin
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游梦玲
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Guangde Yuehua Plastic Products Co Ltd
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Guangde Yuehua Plastic Products Co Ltd
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Priority to CN201711208151.6A priority Critical patent/CN108250470A/en
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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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/0427—Coating with only one layer of a composition containing a polymer binder
    • 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
    • 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
    • C08J2427/00—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
    • C08J2427/02—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
    • C08J2427/04—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
    • C08J2427/08—Homopolymers or copolymers of vinylidene chloride
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • 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
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/14—Gas barrier composition
    • 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
    • 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

Abstract

The invention discloses a kind of soft coated thin films of PVC, the soft coated thin films of PVC include following material：PVC base, PVDC latexes, AC adhesives and water, the surface of the PVC base are coated with AC adhesives, and the surface of the AC adhesives is coated with PVDC latexes, and the PVC base includes：40~55 parts of 50~65 parts of PVC, 20~25 parts of PE, 15~19 parts of EVA, 20~27 parts of pigment, 12~16 parts of ethyl methacrylate, 8~14 parts of silica, 6~11 parts of nano zine oxide, 9~16 parts of stearic acid, 11~16 parts of precipitated calcium carbonate, 7~13 parts of silicon virgin rubber, 5~9 parts of methacrylic acid, 20~26 parts of glycerine and cyclohexanone, the soft coated thin films of PVC of the present invention prepare coated film using the non-toxic material of new Environmental Safety, improve the characteristic of coated film, the coated film tolerance enhancing produced, service life are long.

Description

A kind of soft coated thin films of PVC
Technical field
The invention belongs to PVC environment-friendly materials fields, and in particular to a kind of soft coated thin films of PVC.
Background technology
PVC (polyvinyl chloride) films become food packaging most due to excellent resistance oxygen, resistance wet and high-temperature cooking performance Good material selection；Conventional PVC film is the duplicature overlapped naturally produced by inflation method, and thickness is 40 ± 2 μm, main to use Make sheet casing film；And the PVC film as base material film is individual layer, it is 10~20 μm usually to control thickness, therefore, is preparing PVC During composite membrane, need to detach double-deck PVC film；The compound membrane preparation methods of traditional PVC are：It is compound after first detaching, i.e., Double-deck PVC film volume first passes through separation equipment trimming layering and batches to obtain PVC monofilms after film Workshop Production comes out, It enters back into compound workshop and carries out the compound of PVC composite membranes；It is double but since PVC inflation film thickness in monolayer deviations are relatively large During layer PVC film separation, relatively thin position easily generates longitudinal or oblique striped；Additionally due to the Electrostatic Absorption between two membranes Property, adsorption strength is larger between two membranes during separation, and the separating rate for causing duplicature is low, usually in 10~80m/min, serious shadow Ring the production efficiency of PVC base film；And single thin film is easily deformed generation fold when winding, in recombination process later very The quality of composite membrane is easily influenced due to single thin film can not flatten, entire volume base material can be caused to scrap when serious, to composite membrane Production causes heavy losses.
Many packagings are all the basis film material warps by PVDC, BOPP, BOPET, BOPA, CPP, CPE currently on the market Make two layers are crossed after printing compound paper bag, and three layers, four layers of combined package bag, barrier property, fragrance protectiveness cannot reach Therefore market demands, are badly in need of a kind of soft coated thin films of PVC and cater to actual demand.
Invention content
To solve the above problems, the present invention proposes a kind of soft coated thin films of PVC.
Purpose to realize the present invention, the technical solution adopted is that：A kind of soft coated thin films of PVC, the soft coatings of PVC Film includes following material：PVC base, PVDC latexes, AC adhesives and water, the surface of the PVC base are coated with AC bondings Agent, the surface of the AC adhesives are coated with PVDC latexes, and the PVC base includes：50~65 parts of PVC, 20~25 parts of PE, 15~19 parts of EVA, 20~27 parts of pigment, 12~16 parts of ethyl methacrylate, 8~14 parts of silica, nano zine oxide 6 ~11 parts, 9~16 parts of stearic acid, 11~16 parts of precipitated calcium carbonate, 7~13 parts of silicon virgin rubber, 5~9 parts of methacrylic acid, glycerine 20 ~26 parts and 40~55 parts of cyclohexanone.
Preferably, 1~2 part of insect prevention fungicide is also added in the PVC base of the soft coated thin films of the PVC.
Preferably, 2~3 parts of ultraviolet absorber is also added in the PVC base of the soft coated thin films of the PVC.
Preferably, the ultraviolet absorber is γ-FeO (OH), ZnCO3And FeTiO3-MgTiO3Mixture.
Preferably, γ-FeO (OH), the ZnCO in the ultraviolet absorber3And FeTiO3-MgTiO3Ratio be 3:2:1.
Preferably, the proportioning of the PVDC latexes in the soft coated thin films of the PVC, AC binders and water is fixed as 3:5:3.
Preferably, the soft coated thin film technological process of production steps of the PVC are：
1) prepared by base materials：By PVC, PE, EVA, ethyl methacrylate, stearic acid, silicon virgin rubber, methacrylic acid, glycerine It is melted at being 150~180 DEG C in temperature with cyclohexanone, high-speed stirred is uniformly mixed, then adds in pigment, titanium dioxide while stirring Silicon, nano zine oxide, precipitated calcium carbonate, insect prevention fungicide and ultraviolet absorber carry out membrane processing through film balance after dispersion, obtain To flexible PVC base material；
2) primary coats adhesive：Strong impact is carried out to flexible PVC base material using electron stream, voltage raising makes flexible PVC Substrate surface fluffs, and increases surface area, and adhesive soaks it, can form infiltration and combine, and packing interlocks, increase PVDC latexes and The degree of adhesion of flexible PVC base material, the surface of flexible PVC base material carry out sided corona treatment after, on the surface of flexible PVC base material with The spread of 0.4~1.2 gram/square carries out AC agent coatings；
3) is dry, cools down：Setting value is under 80~120 DEG C of drying temperature, to the soft of coating AC agent in baking oven Processing is dried in PVC base, opens cooling source, starts winding film system, after the film speed of service reaches certain numerical value, Baffle is opened, cooling treatment is carried out to the flexible PVC base material after oven drying using chill roll；
4) .PVDC latexes are coated with：In the flexible PVC substrate surface for being coated with AC agent for having already passed through cooling treatment with 2.0 The spreads of~5.0 grams/square carries out PVDC latex coatings, and setting value is under 90~150 DEG C of drying temperature in baking oven, right Processing is dried in the flexible PVC base material of coating PVDC latexes；
5) batches curing：Cooling source is opened, starts winding film system, after the film speed of service reaches certain numerical value, Baffle is opened, cooling treatment is carried out to the flexible PVC base material after oven drying using chill roll；By the soft paintings of the PVC flattened For cloth film on the unwinding rack of winder, film passes through chill roll on Scroll；The soft coated thin films of PVC are batched Afterwards, to PVC, soft coated thin film carries out heat aging processing at a temperature of setting.
Preferably, the coating method in the soft coated thin film technological process of production steps 2 of the PVC and step 4 is specially A kind of coating method that kiss is reversed to apply.
Preferably, the aging way in the soft coated thin film technological process of production steps 5 of the PVC is specially：Curing temperature Degree is maintained at 40~60 DEG C, and the curing time is 40~60h.
Compared with prior art, the beneficial effects of the invention are as follows：The soft coated thin films of PVC of the present invention are ensured public security using Novel ring Full non-toxic material prepares coated film, improves the characteristic of coated film, and the coated film tolerance enhancing produced, service life increases It is long, it has the following advantages：
1. the soft coated thin films of a kind of PVC according to the present invention have excellent oxygen barrier property；
2. the soft coated thin films of a kind of PVC according to the present invention have excellent water vapor rejection performance；
3. the soft coated thin films of a kind of PVC according to the present invention have good luster performance；
4. the soft coated thin films of a kind of PVC according to the present invention have good printing adaptability energy；
5. the soft coated thin film resistances to chemical reagents of a kind of PVC according to the present invention are good, do not invaded by soda acid and usual vehicle Erosion；
6. the soft coated thin films of a kind of PVC according to the present invention have measured fragrance protectiveness.
Description of the drawings
Fig. 1 is the structure diagram of the soft coated thin films of PVC of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Refering to Figure 1, the technical solution adopted by the present invention is：A kind of soft coated thin films of PVC, the PVC are soft Coated thin film includes following material：PVC base, PVDC latexes, AC adhesives and water, the surface of the PVC base are coated with AC Adhesive, the surface of the AC adhesives are coated with PVDC latexes, and the PVC base includes：50 parts of PVC, 25 parts of PE, EVA 15 parts, 27 parts of pigment, 12 parts of ethyl methacrylate, 4 parts of silica 1,6 parts of nano zine oxide, 16 parts of stearic acid, lightweight carbon 40 parts of sour 11 parts of calcium, 13 parts of silicon virgin rubber, 5 parts of methacrylic acid, 26 parts of glycerine and cyclohexanone.
Wherein, 2 parts of insect prevention fungicide is also added in the PVC base of the soft coated thin films of the PVC.
Wherein, 2 parts of ultraviolet absorber is also added in the PVC base of the soft coated thin films of the PVC.
Wherein, the ultraviolet absorber is γ-FeO (OH), ZnCO3And FeTiO3-MgTiO3Mixture.
Wherein, γ-FeO (OH), the ZnCO in the ultraviolet absorber3And FeTiO3-MgTiO3Ratio be 3:2:1.
Wherein, the proportioning of the PVDC latexes in the soft coated thin films of the PVC, AC binders and water is fixed as 3:5:3.
Embodiment 2
Refering to Figure 1, the technical solution adopted by the present invention is：A kind of soft coated thin films of PVC, the PVC are soft Coated thin film includes following material：PVC base, PVDC latexes, AC adhesives and water, the surface of the PVC base are coated with AC Adhesive, the surface of the AC adhesives are coated with PVDC latexes, and the PVC base includes：65 parts of PVC, 20 parts of PE, EVA 19 parts, 20 parts of pigment, 16 parts of ethyl methacrylate, 8 parts of silica, 11 parts of nano zine oxide, 9 parts of stearic acid, lightweight carbon 55 parts of sour 16 parts of calcium, 7 parts of silicon virgin rubber, 9 parts of methacrylic acid, 20 parts of glycerine and cyclohexanone.
Wherein, 1 part of insect prevention fungicide is also added in the PVC base of the soft coated thin films of the PVC.
Wherein, 3 parts of ultraviolet absorber is also added in the PVC base of the soft coated thin films of the PVC.
Wherein, the ultraviolet absorber is γ-FeO (OH), ZnCO3And FeTiO3-MgTiO3Mixture.
Wherein, γ-FeO (OH), the ZnCO in the ultraviolet absorber3And FeTiO3-MgTiO3Ratio be 3:2:1.
Wherein, the proportioning of the PVDC latexes in the soft coated thin films of the PVC, AC binders and water is fixed as 3:5:3.
Embodiment 3
Refering to Figure 1, the technical solution adopted by the present invention is：A kind of soft coated thin films of PVC, the PVC are soft Coated thin film includes following material：PVC base, PVDC latexes, AC adhesives and water, the surface of the PVC base are coated with AC Adhesive, the surface of the AC adhesives are coated with PVDC latexes, and the PVC base includes：50 parts of PVC, 20 parts of PE, EVA 15 parts, 20 parts of pigment, 12 parts of ethyl methacrylate, 8 parts of silica, 6 parts of nano zine oxide, 9 parts of stearic acid, lightweight carbonic acid 40 parts of 11 parts of calcium, 7 parts of silicon virgin rubber, 5 parts of methacrylic acid, 20 parts of glycerine and cyclohexanone.
Wherein, 1 part of insect prevention fungicide is also added in the PVC base of the soft coated thin films of the PVC.
Wherein, 2 parts of ultraviolet absorber is also added in the PVC base of the soft coated thin films of the PVC.
Wherein, the ultraviolet absorber is γ-FeO (OH), ZnCO3And FeTiO3-MgTiO3Mixture.
Wherein, γ-FeO (OH), the ZnCO in the ultraviolet absorber3And FeTiO3-MgTiO3Ratio be 3:2:1.
Wherein, the proportioning of the PVDC latexes in the soft coated thin films of the PVC, AC binders and water is fixed as 3:5:3.
Embodiment 4
Refering to Figure 1, the technical solution adopted by the present invention is：A kind of soft coated thin films of PVC, the PVC are soft Coated thin film includes following material：PVC base, PVDC latexes, AC adhesives and water, the surface of the PVC base are coated with AC Adhesive, the surface of the AC adhesives are coated with PVDC latexes, and the PVC base includes：65 parts of PVC, 25 parts of PE, EVA 19 parts, 27 parts of pigment, 16 parts of ethyl methacrylate, 4 parts of silica 1,11 parts of nano zine oxide, 16 parts of stearic acid, lightweight 55 parts of 16 parts of calcium carbonate, 13 parts of silicon virgin rubber, 9 parts of methacrylic acid, 26 parts of glycerine and cyclohexanone.
Wherein, 2 parts of insect prevention fungicide is also added in the PVC base of the soft coated thin films of the PVC.
Wherein, 3 parts of ultraviolet absorber is also added in the PVC base of the soft coated thin films of the PVC.
Wherein, the ultraviolet absorber is γ-FeO (OH), ZnCO3And FeTiO3-MgTiO3Mixture.
Wherein, γ-FeO (OH), the ZnCO in the ultraviolet absorber3And FeTiO3-MgTiO3Ratio be 3:2:1.
Wherein, the proportioning of the PVDC latexes in the soft coated thin films of the PVC, AC binders and water is fixed as 3:5:3.
Refering to Figure 1, the technical solution adopted by the present invention is：A kind of soft coated thin films of PVC, the PVC are soft Coated thin film technological process of production step is：
1) prepared by base materials：By PVC, PE, EVA, ethyl methacrylate, stearic acid, silicon virgin rubber, methacrylic acid, glycerine It is melted at being 150 DEG C in temperature with cyclohexanone, high-speed stirred is uniformly mixed, then adds in pigment, silica, nanometer while stirring Zinc oxide, precipitated calcium carbonate, insect prevention fungicide and ultraviolet absorber carry out membrane processing through film balance after dispersion, obtain soft PVC base；
2) primary coats adhesive：Strong impact is carried out to flexible PVC base material using electron stream, voltage raising makes flexible PVC Substrate surface fluffs, and increases surface area, and adhesive soaks it, can form infiltration and combine, and packing interlocks, increase PVDC latexes and The degree of adhesion of flexible PVC base material, the surface of flexible PVC base material carry out sided corona treatment after, on the surface of flexible PVC base material with The spread of 0.8 gram/square carries out AC agent coatings；
3) is dry, cools down：Setting value is under 90 DEG C of drying temperature, to being coated with the flexible PVC base material of AC agent in baking oven Processing is dried, opens cooling source, starts winding film system, after the film speed of service reaches certain numerical value, opens gear Plate carries out cooling treatment using chill roll to the flexible PVC base material after oven drying；
4) .PVDC latexes are coated with：In the flexible PVC substrate surface for being coated with AC agent for having already passed through cooling treatment with 2.5 The spread of gram/square carries out PVDC latex coatings, and setting value is under 120 DEG C of drying temperature, to being coated with PVDC in baking oven Processing is dried in the flexible PVC base material of latex；
5) batches curing：Cooling source is opened, starts winding film system, after the film speed of service reaches certain numerical value, Baffle is opened, cooling treatment is carried out to the flexible PVC base material after oven drying using chill roll；By the soft paintings of the PVC flattened For cloth film on the unwinding rack of winder, film passes through chill roll on Scroll；The soft coated thin films of PVC are batched Afterwards, to PVC, soft coated thin film carries out heat aging processing at a temperature of setting.
Further, the coating method in the soft coated thin film technological process of production steps 2 of the PVC and step 4 is specific For a kind of coating method that kiss is reversed to apply.
Further, the aging way in the soft coated thin film technological process of production steps 5 of the PVC is specially：Curing Temperature is maintained at 40~60 DEG C, and the curing time is 40~60h.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (9)

1. a kind of soft coated thin films of PVC, the soft coated thin films of PVC include following material：PVC base, PVDC latexes, AC Adhesive and water, the surface of the PVC base are coated with AC adhesives, and the surface of the AC adhesives is coated with PVDC latexes, It is characterized in that：The PVC base includes：50~65 parts of PVC, 20~25 parts of PE, 15~19 parts of EVA, pigment 20~27 It is part, 12~16 parts of ethyl methacrylate, 8~14 parts of silica, 6~11 parts of nano zine oxide, 9~16 parts of stearic acid, light 40~55 parts of 11~16 parts of matter calcium carbonate, 7~13 parts of silicon virgin rubber, 5~9 parts of methacrylic acid, 20~26 parts of glycerine and cyclohexanone.
2. a kind of soft coated thin films of PVC according to claim 1, it is characterised in that：The soft coated thin films of PVC 1~2 part of insect prevention fungicide is also added in PVC base.
3. a kind of soft coated thin films of PVC according to claim 1, it is characterised in that：The soft coated thin films of PVC 2~3 parts of ultraviolet absorber is also added in PVC base.
4. a kind of soft coated thin films of PVC according to claim 3, it is characterised in that：The ultraviolet absorber for γ- FeO(OH)、ZnCO3And FeTiO3-MgTiO3Mixture.
5. a kind of soft coated thin films of PVC according to claim 4, it is characterised in that：γ in the ultraviolet absorber- FeO(OH)、ZnCO3And FeTiO3-MgTiO3Ratio be 3:2:1.
6. a kind of soft coated thin films of PVC according to claim 1, it is characterised in that：In the soft coated thin films of PVC PVDC latexes, AC binders and water proportioning be fixed as 3:5:3.
7. a kind of soft coated thin films of PVC according to claim 1, it is characterised in that：The soft coated thin film lifes of PVC Production. art process step is：
1) prepared by base materials：By PVC, PE, EVA, ethyl methacrylate, stearic acid, silicon virgin rubber, methacrylic acid, glycerine and ring Hexanone melts at being 150~180 DEG C in temperature, and high-speed stirred is uniformly mixed, then adds in pigment while stirring, silica, receives Rice zinc oxide, precipitated calcium carbonate, insect prevention fungicide and ultraviolet absorber, carry out membrane processing through film balance after dispersion, obtain soft Matter PVC base；
2) primary coats adhesive：Strong impact is carried out to flexible PVC base material using electron stream, voltage raising makes flexible PVC base material Wildness increases surface area, and adhesive soaks it, can form infiltration and combine, and packing interlocks, and increases PVDC latexes and soft The degree of adhesion of PVC base, after carrying out sided corona treatment on the surface of flexible PVC base material, with 0.4 on the surface of flexible PVC base material The spread of~1.2 grams/square carries out AC agent coatings；
3) is dry, cools down：Setting value is under 80~120 DEG C of drying temperature, to being coated with the flexible PVC base of AC agent in baking oven Processing is dried in material, opens cooling source, starts winding film system, after the film speed of service reaches certain numerical value, opens Baffle carries out cooling treatment using chill roll to the flexible PVC base material after oven drying；
4) .PVDC latexes are coated with：In the flexible PVC substrate surface for being coated with AC agent for having already passed through cooling treatment with 2.0~5.0 The spread of gram/square carries out PVDC latex coatings, and setting value is under 90~150 DEG C of drying temperature, to coating in baking oven Processing is dried in the flexible PVC base material of PVDC latexes；
5) batches curing：Cooling source is opened, starts winding film system, after the film speed of service reaches certain numerical value, is opened Baffle carries out cooling treatment using chill roll to the flexible PVC base material after oven drying；The soft coatings of the PVC flattened is thin For film on the unwinding rack of winder, film passes through chill roll on Scroll；After the soft coated thin films of PVC are batched, To PVC, soft coated thin film carries out heat aging processing at a temperature of setting.
8. a kind of soft coated thin films of PVC according to claim 1, it is characterised in that：The soft coated thin film lifes of PVC Coating method in production. art process step 2 and step 4 is specially a kind of coating method that kiss is reversed to apply.
9. a kind of soft coated thin films of PVC according to claim 1, it is characterised in that：The soft coated thin film lifes of PVC Aging way in production. art process step 5 is specially：Curing temperature is maintained at 40~60 DEG C, and the curing time is 40~60h.
CN201711208151.6A 2017-11-27 2017-11-27 A kind of soft coated thin films of PVC Pending CN108250470A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1358791A (en) * 2000-12-12 2002-07-17 海尔科化工程塑料国家工程研究中心有限公司 Polymer organic nano composite ocmposition for making agriculture greenhouse film and preparation process thereof
CN101875254A (en) * 2010-06-18 2010-11-03 海南赛诺实业有限公司 Anti-ultraviolet barrier coating film and manufacturing method thereof
CN106117904A (en) * 2016-07-28 2016-11-16 陈林美 A kind of high intensity antibacterial polyvinyl chloride film formulation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1358791A (en) * 2000-12-12 2002-07-17 海尔科化工程塑料国家工程研究中心有限公司 Polymer organic nano composite ocmposition for making agriculture greenhouse film and preparation process thereof
CN101875254A (en) * 2010-06-18 2010-11-03 海南赛诺实业有限公司 Anti-ultraviolet barrier coating film and manufacturing method thereof
CN106117904A (en) * 2016-07-28 2016-11-16 陈林美 A kind of high intensity antibacterial polyvinyl chloride film formulation

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