CN107057161A - A kind of composite transparent embossed film of diamond heart pattern - Google Patents
A kind of composite transparent embossed film of diamond heart pattern Download PDFInfo
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- CN107057161A CN107057161A CN201710344245.XA CN201710344245A CN107057161A CN 107057161 A CN107057161 A CN 107057161A CN 201710344245 A CN201710344245 A CN 201710344245A CN 107057161 A CN107057161 A CN 107057161A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- 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
- C08J2427/06—Homopolymers or copolymers of vinyl 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
- C08K3/24—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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
Abstract
The present invention relates to a kind of composite transparent embossed film of diamond heart pattern, according to the mass fraction, specifically it is made by following component：185 210 parts of PE counterdies, 125 parts of 5 type PVC95,45 parts of 7 type PVC35,5 15 parts of cellulose powder, 15 25 parts of epoxidized soybean oil, 39 parts of titanate esters, 59 parts of 401 auxiliary agents of ACR, 37 parts of paraffin, 38 parts of superfine talcum powder, 26 parts of stearic acid, 11 17 parts of precipitated calcium carbonate, 0.6 1.5 parts of titanium dioxide, 0.2 0.8 parts of fluorescent whitening agent, 7 parts of CPE2.The present invention is matched by special material composition, and cellulose powder is added in the feed, while carrying out after-treatment, the film processed compared to prior art, with more outstanding mechanical property to cellulose powder and precipitated calcium carbonate.
Description
Technical field
The invention belongs to high-molecular compound technical field, and in particular to a kind of composite transparent embossing of diamond heart pattern is thin
Film.
Background technology
Laminated film, is the high polymer material of the Film laminated by two layers or multiple layers of different materials, can make material
Obtain the material with each homogenous material bulk properties.
By improving the processing technology and raw material composition and ratio of material, the properties of composite membrane can be improved, wherein right
In the lifting of compound film dynamic performance, fail to realize the breakthrough on technical recipe at present.
The content of the invention
In order to solve the above problems, the invention provides a kind of composite transparent embossed film of diamond heart pattern, with more
Plus outstanding mechanical property.
The present invention is achieved through the following technical solutions：
A kind of composite transparent embossed film of diamond heart pattern, according to the mass fraction, is specifically made by following component:PE bottoms
185-210 parts of film, PVC95-125 parts of 5 type, PVC35-45 parts of 7 type, 5-15 parts of cellulose powder, 15-25 parts of epoxidized soybean oil, titanium
3-9 parts of acid esters, 5-9 parts of ACR-401 auxiliary agents, 3-7 parts of paraffin, 3-8 parts of superfine talcum powder, 2-6 parts of stearic acid, precipitated calcium carbonate
11-17 parts, 0.6-1.5 parts of titanium dioxide, 0.2-0.8 parts, CPE2-7 parts of fluorescent whitening agent；
Further, the cellulose part, specially its preparation method, following steps：
(1) according to the mass fraction, smashed after taking 20-30 parts of maize straw, 15-20 parts of drying of straw, add mass fraction
For 5% 200-250 parts of sodium hydrate aqueous solution, 80-90 DEG C is heated to, heat-insulation soaking is handled 45-60 minutes；
(2) filter, obtain filter residue A, by the filter residue A using clear water clean after, plus 5 times of filter residue A mass fractions water,
In heating 10-15 minutes under 160MPa, 130 DEG C of high temperature and high pressure environments；
(3) secondary filter, obtains filter residue B, by the filter residue B using complex enzyme enzyme liquid in 35-38 DEG C, lucifuge degree 50%-
60%th, fully digested 180-220 minutes in the environment of divulging information；The complex enzyme enzyme liquid, by hemicellulase enzyme liquid, pectase enzyme
Liquid, amylase enzyme liquid in mass ratio 5:3:It is made after 10 mixing；
(4) heating is gone out enzyme, filters to obtain filter residue C three times, will the filter residue C dry after be crushed to 120-140 mesh, then use
After screen cloth sieves 3 times, the cellulose powder is produced；
Further, the precipitated calcium carbonate, needs after -10 DEG C of freezing processings 90-120 minutes, reuses 250-280
DEG C high temperature is scorched 60-90 minutes.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is matched by special material composition, and cellulose powder is added in the feed, at the same to cellulose powder and
Precipitated calcium carbonate carries out after-treatment, the film processed compared to prior art, with more outstanding mechanical property.
Embodiment
The preferred embodiments of the present invention are illustrated below, it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment 1
A kind of composite transparent embossed film of diamond heart pattern, according to the mass fraction, is specifically made by following component:PE bottoms
185 parts of film, PVC95 parts of 5 type, PVC35 parts of 7 type, 5 parts of cellulose powder, 15 parts of epoxidized soybean oil, 3 parts of titanate esters, ACR-401 are helped
5 parts of agent, 3 parts of paraffin, 3 parts of superfine talcum powder, 2 parts of stearic acid, 11 parts of precipitated calcium carbonate, 0.6 part of titanium dioxide, fluorescent whitening agent
0.2 part, CPE2 parts；
Further, the cellulose part, specially its preparation method, following steps：
(1) according to the mass fraction, smashed after taking 20 parts of maize straw, 15 parts of drying of straw, it is 5% to add mass fraction
200 parts of sodium hydrate aqueous solution, is heated to 80 DEG C, heat-insulation soaking is handled 45 minutes；
(2) filter, obtain filter residue A, by the filter residue A using clear water clean after, plus 5 times of filter residue A mass fractions water,
In heating 10 minutes under 160MPa, 130 DEG C of high temperature and high pressure environments；
(3) secondary filter, obtains filter residue B, by the filter residue B using complex enzyme enzyme liquid in 35 DEG C, lucifuge degree 50%%, ventilation
In the environment of fully enzymolysis 180 minutes；The complex enzyme enzyme liquid, by hemicellulase enzyme liquid, pectase enzyme liquid, amylase enzyme liquid
In mass ratio 5:3:It is made after 10 mixing；
(4) heating is gone out enzyme, filters to obtain filter residue C three times, will the filter residue C dry after be crushed to 120 mesh, then using screen cloth
After sieving 3 times, the cellulose powder is produced；
Further, the precipitated calcium carbonate, needs after -10 DEG C of freezing processings 90 minutes, reuses 250 DEG C of high temperature and process
It is roasting 60 minutes.
Embodiment 2
A kind of composite transparent embossed film of diamond heart pattern, according to the mass fraction, is specifically made by following component:PE bottoms
210 parts of film, PVC125 parts of 5 type, PVC45 parts of 7 type, 15 parts of cellulose powder, 25 parts of epoxidized soybean oil, 9 parts of titanate esters, ACR-401
9 parts of auxiliary agent, 7 parts of paraffin, 8 parts of superfine talcum powder, 6 parts of stearic acid, 17 parts of precipitated calcium carbonate, 1.5 parts of titanium dioxide, fluorescent whitening agent
0.8 part, CPE7 parts；
Further, the cellulose part, specially its preparation method, following steps：
(1) according to the mass fraction, smashed after taking 30 parts of maize straw, 20 parts of drying of straw, it is 5% to add mass fraction
250 parts of sodium hydrate aqueous solution, is heated to 90 DEG C, heat-insulation soaking is handled 60 minutes；
(2) filter, obtain filter residue A, by the filter residue A using clear water clean after, plus 5 times of filter residue A mass fractions water,
In heating 15 minutes under 160MPa, 130 DEG C of high temperature and high pressure environments；
(3) secondary filter, obtains filter residue B, by the filter residue B using complex enzyme enzyme liquid in 38 DEG C, lucifuge degree 60%, ventilation
Fully digested 220 minutes under environment；The complex enzyme enzyme liquid, is pressed by hemicellulase enzyme liquid, pectase enzyme liquid, amylase enzyme liquid
Mass ratio 5:3:It is made after 10 mixing；
(4) heating is gone out enzyme, filters to obtain filter residue C three times, will the filter residue C dry after be crushed to 140 mesh, then using screen cloth
After sieving 3 times, the cellulose powder is produced；
Further, the precipitated calcium carbonate, needs after -10 DEG C of freezing processings 120 minutes, reuses 280 DEG C of high temperature
Scorch 90 minutes.
Embodiment 3
A kind of composite transparent embossed film of diamond heart pattern, according to the mass fraction, is specifically made by following component:PE bottoms
200 parts of film, PVC110 parts of 5 type, PVC40 parts of 7 type, 10 parts of cellulose powder, 20 parts of epoxidized soybean oil, 6 parts of titanate esters, ACR-401
7 parts of auxiliary agent, 4 parts of paraffin, 5 parts of superfine talcum powder, 5 parts of stearic acid, 16 parts of precipitated calcium carbonate, 1.2 parts of titanium dioxide, fluorescent whitening agent
0.5 part, CPE4 parts；
Further, the cellulose part, specially its preparation method, following steps：
(1) according to the mass fraction, smashed after taking 25 parts of maize straw, 18 parts of drying of straw, it is 5% to add mass fraction
220 parts of sodium hydrate aqueous solution, is heated to 85 DEG C, heat-insulation soaking is handled 50 minutes；
(2) filter, obtain filter residue A, by the filter residue A using clear water clean after, plus 5 times of filter residue A mass fractions water,
In heating 12 minutes under 160MPa, 130 DEG C of high temperature and high pressure environments；
(3) secondary filter, obtains filter residue B, by the filter residue B using complex enzyme enzyme liquid in 36 DEG C, lucifuge degree 55%, ventilation
Fully digested 210 minutes under environment；The complex enzyme enzyme liquid, is pressed by hemicellulase enzyme liquid, pectase enzyme liquid, amylase enzyme liquid
Mass ratio 5:3:It is made after 10 mixing；
(4) heating is gone out enzyme, filters to obtain filter residue C three times, will the filter residue C dry after be crushed to 140 mesh, then using screen cloth
After sieving 3 times, the cellulose powder is produced；
Further, the precipitated calcium carbonate, needs after -10 DEG C of freezing processings 100 minutes, reuses 270 DEG C of high temperature
Scorch 80 minutes.
Comparative example 1
This comparative example 1 compared with Example 1, is added without the fiber powder, method and step all same in addition.
Comparative example 2
This comparative example 2 compared with Example 1, without using the CPE, method and step all same in addition.
Comparative example 3
This comparative example 3 compared with Example 1, is added without the superfine talcum powder, and method and step in addition is homogeneous
Together.
Control group
The composite transparent embossed film produced using prior art.
The tensile strength and elongation at break of above-mentioned 7 kinds of films are measured respectively, as a result such as table 1：
Table 1
| Tensile strength (N/15mm) | Elongation at break (%) | |
| Embodiment 1 | ≥55 | ≥90 |
| Embodiment 2 | ≥60 | ≥100 |
| Embodiment 3 | ≥55 | ≥100 |
| Comparative example 1 | ≥25 | ≥55 |
| Comparative example 2 | ≥45 | ≥65 |
| Comparative example 3 | ≥30 | ≥55 |
| Control group | ≥20 | ≥50 |
As shown in Table 1, a kind of composite transparent embossed film for diamond heart pattern that the present invention is provided, passes through special raw material
Composition proportion, and the after-treatment to raw material, the film processed compared to prior art, with more outstanding mechanical property
Energy.
Finally it should be noted that：The preferred embodiments of the present invention are these are only, are not intended to limit the invention, although
The present invention is described in detail with reference to embodiment, for those skilled in the art, it still can be to foregoing
Technical scheme described in each embodiment is modified, or to which part technical characteristic carry out equivalent substitution, but it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc. should be included in the protection of the present invention
Within the scope of.
Claims (8)
1. a kind of composite transparent embossed film of diamond heart pattern, it is characterised in that according to the mass fraction, specifically by following component
It is made:185-210 parts of PE counterdies, PVC95-125 parts of 5 type, PVC35-45 parts of 7 type, 5-15 parts of cellulose powder, epoxidized soybean oil
15-25 parts, it is 3-9 parts of titanate esters, 5-9 parts of ACR-401 auxiliary agents, 3-7 parts of paraffin, 3-8 parts of superfine talcum powder, 2-6 parts of stearic acid, light
11-17 parts of matter calcium carbonate, 0.6-1.5 parts of titanium dioxide, 0.2-0.8 parts, CPE2-7 parts of fluorescent whitening agent；
The cellulose part, specially its preparation method, following steps：
(1) according to the mass fraction, smashed after taking 20-30 parts of maize straw, 15-20 parts of drying of straw, it is 5% to add mass fraction
200-250 parts of sodium hydrate aqueous solution, be heated to 80-90 DEG C, heat-insulation soaking is handled 45-60 minutes；
(2) filter, obtain filter residue A, by the filter residue A using clear water clean after, plus 5 times of filter residue A mass fractions water, in
Heat 10-15 minutes under 160MPa, 130 DEG C of high temperature and high pressure environments；
(3) secondary filter, obtains filter residue B, by the filter residue B using complex enzyme enzyme liquid in 35-38 DEG C, it is lucifuge degree 50%-60%, logical
Fully digested 180-220 minutes in the environment of wind；The complex enzyme enzyme liquid, by hemicellulase enzyme liquid, pectase enzyme liquid, starch
Enzyme enzyme liquid in mass ratio 5:3:It is made after 10 mixing；
(4) heating is gone out enzyme, filters to obtain filter residue C three times, will the filter residue C dry after be crushed to 120-140 mesh, then using screen cloth
After sieving 3 times, the cellulose powder is produced；
The precipitated calcium carbonate, needs after -10 DEG C of freezing processings 90-120 minutes, reuses 250-280 DEG C of high temperature and scorch 60-
90 minutes.
2. the composite transparent embossed film of a kind of diamond heart pattern according to claim 1, it is characterised in that by mass parts
Number meter, is specifically made by following component:190-205 parts of PE counterdies, PVC100-120 parts of 5 type, PVC38-42 parts of 7 type, cellulose
8-12 parts of powder, 18-22 parts of epoxidized soybean oil, 4-8 parts of titanate esters, 6-8 parts of ACR-401 auxiliary agents, 3-5 parts of paraffin, superfine talcum powder
4-7 parts, 4-5 parts of stearic acid, 15-16 parts of precipitated calcium carbonate, 1.1-1.4 parts of titanium dioxide, 0.4-0.6 parts of fluorescent whitening agent, CPE3-
6 parts.
3. the composite transparent embossed film of a kind of diamond heart pattern according to claim 1, it is characterised in that by mass parts
Number meter, is specifically made by following component:200 parts of PE counterdies, PVC110 parts of 5 type, PVC40 parts of 7 type, 10 parts of cellulose powder, epoxy
20 parts of soybean oil, 6 parts of titanate esters, 7 parts of ACR-401 auxiliary agents, 4 parts of paraffin, 5 parts of superfine talcum powder, 5 parts of stearic acid, lightweight carbonic acid
16 parts of calcium, 1.2 parts of titanium dioxide, 0.5 part, CPE4 parts of fluorescent whitening agent.
4. a kind of composite transparent embossed film of diamond heart pattern according to claim 1, it is characterised in that step (1)
Specially：According to the mass fraction, smashed after taking 25 parts of maize straw, 18 parts of drying of straw, add the hydrogen-oxygen that mass fraction is 5%
Change 220 parts of sodium water solution, be heated to 85 DEG C, heat-insulation soaking is handled 50 minutes.
5. a kind of composite transparent embossed film of diamond heart pattern according to claim 1, it is characterised in that step (2)
Specially：Filtering, obtain filter residue A, by the filter residue A using clear water clean after, plus 5 times of filter residue A mass fractions water, in
Heat 12 minutes under 160MPa, 130 DEG C of high temperature and high pressure environments.
6. a kind of composite transparent embossed film of diamond heart pattern according to claim 1, it is characterised in that step (3)
Specially：Secondary filter, obtains filter residue B, by the filter residue B using complex enzyme enzyme liquid in 36 DEG C, lucifuge degree 55%, ventilation environment
Lower fully enzymolysis 210 minutes；The complex enzyme enzyme liquid, quality is pressed by hemicellulase enzyme liquid, pectase enzyme liquid, amylase enzyme liquid
Than 5:3:It is made after 10 mixing.
7. a kind of composite transparent embossed film of diamond heart pattern according to claim 1, it is characterised in that step (4)
Specially：Heating is gone out enzyme, filters to obtain filter residue C three times, will the filter residue C dry after be crushed to 140 mesh, then sieved using screen cloth
After 3 times, the cellulose powder is produced.
8. a kind of composite transparent embossed film of diamond heart pattern according to claim 1, it is characterised in that:The lightweight
Calcium carbonate, needs after -10 DEG C of freezing processings 100 minutes, reuses 270 DEG C of high temperature and scorch 80 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710344245.XA CN107057161A (en) | 2017-05-16 | 2017-05-16 | A kind of composite transparent embossed film of diamond heart pattern |
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| CN201710344245.XA CN107057161A (en) | 2017-05-16 | 2017-05-16 | A kind of composite transparent embossed film of diamond heart pattern |
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ID=59609508
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| CN201710344245.XA Pending CN107057161A (en) | 2017-05-16 | 2017-05-16 | A kind of composite transparent embossed film of diamond heart pattern |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107698894A (en) * | 2017-10-30 | 2018-02-16 | 佛山威明塑胶有限公司 | A kind of pearly-lustre PVC film and preparation method thereof |
| CN107698897A (en) * | 2017-10-30 | 2018-02-16 | 佛山威明塑胶有限公司 | A kind of mould proof PVC film and its production method |
| CN107818844A (en) * | 2017-09-18 | 2018-03-20 | 佛山市华辉电源线材有限公司 | A kind of production technology of high temperature resistant power line |
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| CN104558756A (en) * | 2014-05-29 | 2015-04-29 | 陈向文 | Lightweight polymer filling composite material |
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| CN107818844A (en) * | 2017-09-18 | 2018-03-20 | 佛山市华辉电源线材有限公司 | A kind of production technology of high temperature resistant power line |
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| CN107698897A (en) * | 2017-10-30 | 2018-02-16 | 佛山威明塑胶有限公司 | A kind of mould proof PVC film and its production method |
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