CN104817785A - Packaging PVC (polyvinyl chloride) thin film and preparation method thereof - Google Patents
Packaging PVC (polyvinyl chloride) thin film and preparation method thereof Download PDFInfo
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- CN104817785A CN104817785A CN201510203131.4A CN201510203131A CN104817785A CN 104817785 A CN104817785 A CN 104817785A CN 201510203131 A CN201510203131 A CN 201510203131A CN 104817785 A CN104817785 A CN 104817785A
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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
- 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
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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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- 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 relates to a packaging PVC (polyvinyl chloride) thin film and a preparation method thereof. The PVC thin film comprises the following ingredients in part by weight: 80-100 parts of PVC, 5-12 parts of dicyclohexyl phthalate, 1-4 parts of epoxide phthalic acid esters, 2-9 parts of sorbitan monopalmitate, 1-5 parts of methyl bis-stearamide, 0.1-0.7 part of diphenyl octylphosphate, 0.2-0.8 part of trioctyl trimellitate, 0.3-0.8 part of triphenyl phosphate, 0.5-3 parts of kaoline, 0.6-1.5 parts of barium stearate, 2-8 parts of polymethylphenyl siloxane fluid, 0.7-2 parts of calcium carbonate, 10-25 parts of powder cellulose, 0.1-0.5 part of aminodithioformic acid, 0.8-3 parts of pigment and 1-4 parts of stannum mercaptide. The PVC thin film has excellent high temperature resistance and excellent conduction performance.
Description
Technical field
The present invention relates to field of packaging material, particularly relate to a kind of packaging PVC film and preparation method thereof.
Background technology
PVC film can be divided into PVC flexible film and PVC hard film.Wherein hard PVC accounts for greatly 2/3 of market, and soft pvc accounts for 1/3.Soft pvc is generally used for the top layer of floor, top ceiling and leather, but due in soft pvc containing softening agent, easily become fragile, not easily preserve, so its use range receives limitation.Hard PVC is not containing softening agent, and therefore snappiness is good, easy-formation, not easily crisp, nontoxic pollution-free, and the shelf time is long, therefore has very large development and application values.
The kind of existing PVC film is a lot of in the market, the kind of plastic film for wrapping is also a lot, but its over-all properties is not high, possess snappiness, noisy acid-basicity, anti-aging, antibacterial while do not possess the performances such as high temperature resistant, anti-electroconductibility, therefore can not pack high temperature article and easily accumulate dust.Such as Chinese invention patent (the patent No. 201410071523.5, the applying date 2014/02/28) disclose a kind of PVC film possessing anti-microbial effect and preparation method thereof, by weight, described film is made up of following raw material: 100 ~ 200 parts, PVC film, modified rosin resin 20 ~ 50 parts, antiseptic-germicide 2 ~ 10 parts, VAE emulsion 20 ~ 50 parts, auxiliary agent 5 ~ 15 parts.PVC film disclosed in this patent of invention, not only anti tear, and anti-scratch, anti, also possess better snappiness, resistance to acids and bases, ultraviolet-resistant aging effect, possessed stronger antibacterial effect simultaneously.
Summary of the invention
the technical problem solved:can not effective high temperature resistant and anlistatig shortcoming for existing PVC film, the invention provides a kind of packaging PVC film and preparation method thereof, this PVC film has excellent high temperature resistant and conductivity.
technical scheme:a kind of packaging PVC film, in mass parts containing following composition: PVC80 ~ 100 part, dicyclohexyl phthalate 5 ~ 12 parts, epoxidation tetrachlorophthalic acid ester 1 ~ 4 part, sorbyl alcohol monopalmitate 2 ~ 9 parts, methyl distearyl acid amides 1 ~ 5 part, phenyl-phosphate dioctyl ester 0.1 ~ 0.7 part, trioctyl trimellitate 0.2 ~ 0.8 part, triphenyl phosphite 0.3 ~ 0.8 part, 0.5 ~ 3 part, potter's clay, barium stearate 0.6 ~ 1.5 part, polymethylphenyl siloxane fluid 2 ~ 8 parts, 0.7 ~ 2 part, calcium carbonate, cellulose powder 10 ~ 25 parts, dithiocarbamic acid 0.1 ~ 0.5 part, pigment 0.8 ~ 3 part, tin mercaptides 1 ~ 4 part.
A kind of packaging PVC film described above, in mass parts containing following composition: PVC83 ~ 95 part, dicyclohexyl phthalate 7 ~ 11 parts, epoxidation tetrachlorophthalic acid ester 1.5 ~ 3 parts, sorbyl alcohol monopalmitate 3 ~ 8 parts, methyl distearyl acid amides 2 ~ 4 parts, phenyl-phosphate dioctyl ester 0.2 ~ 0.5 part, trioctyl trimellitate 0.3 ~ 0.7 part, triphenyl phosphite 0.4 ~ 0.7 part, 1 ~ 2.5 part, potter's clay, barium stearate 0.9 ~ 1.3 part, polymethylphenyl siloxane fluid 3 ~ 7 parts, 1 ~ 1.6 part, calcium carbonate, cellulose powder 13 ~ 22 parts, dithiocarbamic acid 0.2 ~ 0.4 part, pigment 1 ~ 2.5 part, tin mercaptides 2 ~ 3.5 parts.
A kind of packaging PVC film described above, in mass parts containing following composition: PVC86 ~ 92 part, dicyclohexyl phthalate 8 ~ 10 parts, epoxidation tetrachlorophthalic acid ester 2 ~ 2.6 parts, sorbyl alcohol monopalmitate 4 ~ 6 parts, methyl distearyl acid amides 3 ~ 3.5 parts, phenyl-phosphate dioctyl ester 0.3 ~ 0.4 part, trioctyl trimellitate 0.4 ~ 0.6 part, triphenyl phosphite 0.5 ~ 0.6 part, 1.5 ~ 2 parts, potter's clay, barium stearate 1 ~ 1.2 part, polymethylphenyl siloxane fluid 4 ~ 6 parts, 1.2 ~ 1.5 parts, calcium carbonate, cellulose powder 16 ~ 20 parts, dithiocarbamic acid 0.25 ~ 0.35 part, pigment 1.4 ~ 2.2 parts, tin mercaptides 2.5 ~ 3.1 parts.
A kind of packaging PVC film described above, in mass parts containing following composition: PVC89 part, dicyclohexyl phthalate 9 parts, epoxidation tetrachlorophthalic acid ester 2.3 parts, sorbyl alcohol monopalmitate 5 parts, methyl distearyl acid amides 3.2 parts, phenyl-phosphate dioctyl ester 0.35 part, trioctyl trimellitate 0.5 part, triphenyl phosphite 0.55 part, 1.7 parts, potter's clay, barium stearate 1.1 parts, polymethylphenyl siloxane fluid 5 parts, 1.4 parts, calcium carbonate, cellulose powder 18 parts, dithiocarbamic acid 0.3 part, pigment 1.8 parts, tin mercaptides 2.8 parts.
The preparation method of a kind of packaging PVC film described above, the preparation process of the method is as follows:
The first step: first PVC, dicyclohexyl phthalate, epoxidation tetrachlorophthalic acid ester, sorbyl alcohol monopalmitate, methyl distearyl acid amides, phenyl-phosphate dioctyl ester, trioctyl trimellitate, triphenyl phosphite, potter's clay and cellulose powder are mixed at temperature is 50 ~ 60 DEG C, places 3 ~ 5h;
Second step: add barium stearate, polymethylphenyl siloxane fluid, calcium carbonate, dithiocarbamic acid, pigment and tin mercaptides again, temperature be 120 ~ 130 DEG C, stirring velocity stirs under being 80 ~ 100rpm, obtains mixture;
3rd step: joined by said mixture in parallel double-screw tablets press, at temperature is 240 ~ 260 DEG C, plastify extruding pelletization, then extrusion moulding, obtains PVC film.
Mix at temperature is 55 DEG C in the first step described above, place 4h.
In second step described above temperature be 125 DEG C, stirring velocity stirs under being 90rpm.
At temperature is 250 DEG C, extruding pelletization is plastified in the 3rd step described above.
beneficial effect:a kind of packaging PVC film provided by the invention and preparation method thereof, this PVC film has excellent tensile strength, resistance to acids and bases, ultraviolet-resistant aging and anti-microbial property, and it is indeformable under the high temperature conditions, also there is good conductivity, not easily produce classics to gather, packaging film in use not easily covered with dust.
Embodiment
embodiment 1
A kind of packaging PVC film, in mass parts containing following composition: PVC80 part, dicyclohexyl phthalate 5 parts, epoxidation tetrachlorophthalic acid ester 1 part, sorbyl alcohol monopalmitate 2 parts, methyl distearyl acid amides 1 part, phenyl-phosphate dioctyl ester 0.1 part, trioctyl trimellitate 0.2 part, triphenyl phosphite 0.3 part, 0.5 part, potter's clay, barium stearate 0.6 part, polymethylphenyl siloxane fluid 2 parts, 0.7 part, calcium carbonate, cellulose powder 10 parts, dithiocarbamic acid 0.1 part, pigment 0.8 part, tin mercaptides 1 part.
A preparation method for packaging PVC film, the preparation process of the method is as follows:
The first step: first PVC, dicyclohexyl phthalate, epoxidation tetrachlorophthalic acid ester, sorbyl alcohol monopalmitate, methyl distearyl acid amides, phenyl-phosphate dioctyl ester, trioctyl trimellitate, triphenyl phosphite, potter's clay and cellulose powder are mixed at temperature is 50 DEG C, places 3h;
Second step: add barium stearate, polymethylphenyl siloxane fluid, calcium carbonate, dithiocarbamic acid, pigment and tin mercaptides again, temperature be 120 DEG C, stirring velocity stirs under being 80rpm, obtains mixture;
3rd step: joined by said mixture in parallel double-screw tablets press, at temperature is 240 DEG C, plastify extruding pelletization, then extrusion moulding, obtains PVC film.
embodiment 2
A kind of packaging PVC film, in mass parts containing following composition: PVC100 part, dicyclohexyl phthalate 12 parts, epoxidation tetrachlorophthalic acid ester 4 parts, sorbyl alcohol monopalmitate 9 parts, methyl distearyl acid amides 5 parts, phenyl-phosphate dioctyl ester 0.7 part, trioctyl trimellitate 0.8 part, triphenyl phosphite 0.8 part, 3 parts, potter's clay, barium stearate 1.5 parts, polymethylphenyl siloxane fluid 8 parts, 2 parts, calcium carbonate, cellulose powder 25 parts, dithiocarbamic acid 0.5 part, pigment 3 parts, tin mercaptides 4 parts.
A preparation method for packaging PVC film, the preparation process of the method is as follows:
The first step: first PVC, dicyclohexyl phthalate, epoxidation tetrachlorophthalic acid ester, sorbyl alcohol monopalmitate, methyl distearyl acid amides, phenyl-phosphate dioctyl ester, trioctyl trimellitate, triphenyl phosphite, potter's clay and cellulose powder are mixed at temperature is 60 DEG C, places 5h;
Second step: add barium stearate, polymethylphenyl siloxane fluid, calcium carbonate, dithiocarbamic acid, pigment and tin mercaptides again, temperature be 130 DEG C, stirring velocity stirs under being 100rpm, obtains mixture;
3rd step: joined by said mixture in parallel double-screw tablets press, at temperature is 260 DEG C, plastify extruding pelletization, then extrusion moulding, obtains PVC film.
embodiment 3
A kind of packaging PVC film, in mass parts containing following composition: PVC83 part, dicyclohexyl phthalate 7 parts, epoxidation tetrachlorophthalic acid ester 1.5 parts, sorbyl alcohol monopalmitate 3 parts, methyl distearyl acid amides 2 parts, phenyl-phosphate dioctyl ester 0.2 part, trioctyl trimellitate 0.3 part, triphenyl phosphite 0.4 part, 1 part, potter's clay, barium stearate 0.9 part, polymethylphenyl siloxane fluid 3 parts, 1 part, calcium carbonate, cellulose powder 13 parts, dithiocarbamic acid 0.2 part, pigment 1 part, tin mercaptides 2 parts.
A preparation method for packaging PVC film, the preparation process of the method is as follows:
The first step: first PVC, dicyclohexyl phthalate, epoxidation tetrachlorophthalic acid ester, sorbyl alcohol monopalmitate, methyl distearyl acid amides, phenyl-phosphate dioctyl ester, trioctyl trimellitate, triphenyl phosphite, potter's clay and cellulose powder are mixed at temperature is 55 DEG C, places 4h;
Second step: add barium stearate, polymethylphenyl siloxane fluid, calcium carbonate, dithiocarbamic acid, pigment and tin mercaptides again, temperature be 125 DEG C, stirring velocity stirs under being 90rpm, obtains mixture;
3rd step: joined by said mixture in parallel double-screw tablets press, at temperature is 250 DEG C, plastify extruding pelletization, then extrusion moulding, obtains PVC film.
embodiment 4
A kind of packaging PVC film, in mass parts containing following composition: PVC86 part, dicyclohexyl phthalate 8 parts, epoxidation tetrachlorophthalic acid ester 2 parts, sorbyl alcohol monopalmitate 4 parts, methyl distearyl acid amides 3 parts, phenyl-phosphate dioctyl ester 0.3 part, trioctyl trimellitate 0.4 part, triphenyl phosphite 0.5 part, 1.5 parts, potter's clay, barium stearate 1 part, polymethylphenyl siloxane fluid 4 parts, 1.2 parts, calcium carbonate, cellulose powder 16 parts, dithiocarbamic acid 0.25 part, pigment 1.4 parts, tin mercaptides 2.5 parts.
A preparation method for packaging PVC film, the preparation process of the method is as follows:
The first step: first PVC, dicyclohexyl phthalate, epoxidation tetrachlorophthalic acid ester, sorbyl alcohol monopalmitate, methyl distearyl acid amides, phenyl-phosphate dioctyl ester, trioctyl trimellitate, triphenyl phosphite, potter's clay and cellulose powder are mixed at temperature is 55 DEG C, places 4h;
Second step: add barium stearate, polymethylphenyl siloxane fluid, calcium carbonate, dithiocarbamic acid, pigment and tin mercaptides again, temperature be 125 DEG C, stirring velocity stirs under being 90rpm, obtains mixture;
3rd step: joined by said mixture in parallel double-screw tablets press, at temperature is 250 DEG C, plastify extruding pelletization, then extrusion moulding, obtains PVC film.
embodiment 5
A kind of packaging PVC film, in mass parts containing following composition: PVC89 part, dicyclohexyl phthalate 9 parts, epoxidation tetrachlorophthalic acid ester 2.3 parts, sorbyl alcohol monopalmitate 5 parts, methyl distearyl acid amides 3.2 parts, phenyl-phosphate dioctyl ester 0.35 part, trioctyl trimellitate 0.5 part, triphenyl phosphite 0.55 part, 1.7 parts, potter's clay, barium stearate 1.1 parts, polymethylphenyl siloxane fluid 5 parts, 1.4 parts, calcium carbonate, cellulose powder 18 parts, dithiocarbamic acid 0.3 part, pigment 1.8 parts, tin mercaptides 2.8 parts.
A preparation method for packaging PVC film, the preparation process of the method is as follows:
The first step: first PVC, dicyclohexyl phthalate, epoxidation tetrachlorophthalic acid ester, sorbyl alcohol monopalmitate, methyl distearyl acid amides, phenyl-phosphate dioctyl ester, trioctyl trimellitate, triphenyl phosphite, potter's clay and cellulose powder are mixed at temperature is 55 DEG C, places 4h;
Second step: add barium stearate, polymethylphenyl siloxane fluid, calcium carbonate, dithiocarbamic acid, pigment and tin mercaptides again, temperature be 125 DEG C, stirring velocity stirs under being 90rpm, obtains mixture;
3rd step: joined by said mixture in parallel double-screw tablets press, at temperature is 250 DEG C, plastify extruding pelletization, then extrusion moulding, obtains PVC film.
comparative example 1
invention patent mandate notification number is the patent of CN 104151733A, comprises the following steps:
1) the PVC film of above-mentioned mass fraction, modified rosin resin, VAE emulsion, auxiliary agent are dropped in high-speed mixer and carry out high-speed stirring mixing, control the preliminary melting mixing that material scattering becomes particulate state to complete material by mixing machine again and obtain material A, mixing temperature is 120 ~ 130 DEG C, mixing time is 2 ~ 5h, and stirring velocity is 300 ~ 500r/min;
2) that material A is carried out pre-crystallized and drying operation obtains material B, and pre-crystallized and drying temperature controls, at 200 ~ 210 DEG C, to control time of drying at 1 ~ 3h;
3) material B input dual-screw-stem machine is carried out further melt blending and obtain material C, melt temperature controls at 260 ~ 280 DEG C, and screw speed is 1800 ~ 2000r/min, and churning time controls at 3 ~ 5h;
4) material C good for melting is extruded through forcing machine obtain sheet material, then carry out step drawing sheet material or namely the sheet material of two-way stretch simultaneously obtains PVC film;
5) coating of the antiseptic-germicide of above-mentioned mass fraction or evaporation are obtained the PVC film possessing anti-microbial effect on PVC film.
The above-mentioned technical performance index stating the PVC film of embodiment 1 ~ embodiment 5 and comparative example 1, its detected result is as follows:
| Test item | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 |
| Electroconductibility (Ω cm) | 1.3×10 4 | 1.2×10 4 | 1.2×10 4 | 1.1×10 4 | 1×10 4 | 1×10 7 |
| Percent thermal shrinkage (%) at 100 DEG C | 1.2 | 0.9 | 0.8 | 0.6 | 0.5 | 3.4 |
| Tensile strength (MPa) | 213 | 217 | 216 | 221 | 223 | 176 |
Above the embodiment of the present invention is described in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. a packaging PVC film, to it is characterized in that in mass parts containing following composition: PVC80 ~ 100 part, dicyclohexyl phthalate 5 ~ 12 parts, epoxidation tetrachlorophthalic acid ester 1 ~ 4 part, sorbyl alcohol monopalmitate 2 ~ 9 parts, methyl distearyl acid amides 1 ~ 5 part, phenyl-phosphate dioctyl ester 0.1 ~ 0.7 part, trioctyl trimellitate 0.2 ~ 0.8 part, triphenyl phosphite 0.3 ~ 0.8 part, 0.5 ~ 3 part, potter's clay, barium stearate 0.6 ~ 1.5 part, polymethylphenyl siloxane fluid 2 ~ 8 parts, 0.7 ~ 2 part, calcium carbonate, cellulose powder 10 ~ 25 parts, dithiocarbamic acid 0.1 ~ 0.5 part, pigment 0.8 ~ 3 part, tin mercaptides 1 ~ 4 part.
2. a kind of packaging PVC film according to claim 1, to it is characterized in that in mass parts containing following composition: PVC83 ~ 95 part, dicyclohexyl phthalate 7 ~ 11 parts, epoxidation tetrachlorophthalic acid ester 1.5 ~ 3 parts, sorbyl alcohol monopalmitate 3 ~ 8 parts, methyl distearyl acid amides 2 ~ 4 parts, phenyl-phosphate dioctyl ester 0.2 ~ 0.5 part, trioctyl trimellitate 0.3 ~ 0.7 part, triphenyl phosphite 0.4 ~ 0.7 part, 1 ~ 2.5 part, potter's clay, barium stearate 0.9 ~ 1.3 part, polymethylphenyl siloxane fluid 3 ~ 7 parts, 1 ~ 1.6 part, calcium carbonate, cellulose powder 13 ~ 22 parts, dithiocarbamic acid 0.2 ~ 0.4 part, pigment 1 ~ 2.5 part, tin mercaptides 2 ~ 3.5 parts.
3. a kind of packaging PVC film according to claim 1, to it is characterized in that in mass parts containing following composition: PVC86 ~ 92 part, dicyclohexyl phthalate 8 ~ 10 parts, epoxidation tetrachlorophthalic acid ester 2 ~ 2.6 parts, sorbyl alcohol monopalmitate 4 ~ 6 parts, methyl distearyl acid amides 3 ~ 3.5 parts, phenyl-phosphate dioctyl ester 0.3 ~ 0.4 part, trioctyl trimellitate 0.4 ~ 0.6 part, triphenyl phosphite 0.5 ~ 0.6 part, 1.5 ~ 2 parts, potter's clay, barium stearate 1 ~ 1.2 part, polymethylphenyl siloxane fluid 4 ~ 6 parts, 1.2 ~ 1.5 parts, calcium carbonate, cellulose powder 16 ~ 20 parts, dithiocarbamic acid 0.25 ~ 0.35 part, pigment 1.4 ~ 2.2 parts, tin mercaptides 2.5 ~ 3.1 parts.
4. a kind of packaging PVC film according to claim 1, to it is characterized in that in mass parts containing following composition: PVC89 part, dicyclohexyl phthalate 9 parts, epoxidation tetrachlorophthalic acid ester 2.3 parts, sorbyl alcohol monopalmitate 5 parts, methyl distearyl acid amides 3.2 parts, phenyl-phosphate dioctyl ester 0.35 part, trioctyl trimellitate 0.5 part, triphenyl phosphite 0.55 part, 1.7 parts, potter's clay, barium stearate 1.1 parts, polymethylphenyl siloxane fluid 5 parts, 1.4 parts, calcium carbonate, cellulose powder 18 parts, dithiocarbamic acid 0.3 part, pigment 1.8 parts, tin mercaptides 2.8 parts.
5. the preparation method of a kind of packaging PVC film as claimed in claim 1, is characterized in that the preparation process of the method is as follows:
The first step: first PVC, dicyclohexyl phthalate, epoxidation tetrachlorophthalic acid ester, sorbyl alcohol monopalmitate, methyl distearyl acid amides, phenyl-phosphate dioctyl ester, trioctyl trimellitate, triphenyl phosphite, potter's clay and cellulose powder are mixed at temperature is 50 ~ 60 DEG C, places 3 ~ 5h;
Second step: add barium stearate, polymethylphenyl siloxane fluid, calcium carbonate, dithiocarbamic acid, pigment and tin mercaptides again, temperature be 120 ~ 130 DEG C, stirring velocity stirs under being 80 ~ 100rpm, obtains mixture;
3rd step: joined by said mixture in parallel double-screw tablets press, at temperature is 240 ~ 260 DEG C, plastify extruding pelletization, then extrusion moulding, obtains PVC film.
6. the preparation method of a kind of packaging PVC film according to claim 5, is characterized in that: mix at temperature is 55 DEG C in the described the first step, places 4h.
7. the preparation method of a kind of packaging PVC film according to claim 5, is characterized in that: in described second step temperature be 125 DEG C, stirring velocity stirs under being 90rpm.
8. the preparation method of a kind of packaging PVC film according to claim 5, is characterized in that: at temperature is 250 DEG C, plastify extruding pelletization in described 3rd step.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105153597A (en) * | 2015-10-10 | 2015-12-16 | 绍兴翔宇绿色包装有限公司 | Anti-static multifunctional thin film and preparation method thereof |
| CN105440478A (en) * | 2015-12-03 | 2016-03-30 | 李嘉 | High-tenacity PVC film for packaging and preparation method thereof |
| CN105968635A (en) * | 2016-05-31 | 2016-09-28 | 苏州市鼎立包装有限公司 | Waterproof packaging material and preparing method thereof |
| CN106243560A (en) * | 2016-08-04 | 2016-12-21 | 安徽嘉木橡塑工业有限公司 | A kind of compound package material and preparation method thereof |
| CN107353561A (en) * | 2017-06-20 | 2017-11-17 | 苏州奥宇包装科技有限公司 | A kind of preparation method of packaging film |
| CN112011112A (en) * | 2020-09-10 | 2020-12-01 | 安徽源洲包装材料有限公司 | Easy-adhesion and easy-tearing plastic film and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105153597A (en) * | 2015-10-10 | 2015-12-16 | 绍兴翔宇绿色包装有限公司 | Anti-static multifunctional thin film and preparation method thereof |
| CN105440478A (en) * | 2015-12-03 | 2016-03-30 | 李嘉 | High-tenacity PVC film for packaging and preparation method thereof |
| CN105968635A (en) * | 2016-05-31 | 2016-09-28 | 苏州市鼎立包装有限公司 | Waterproof packaging material and preparing method thereof |
| CN106243560A (en) * | 2016-08-04 | 2016-12-21 | 安徽嘉木橡塑工业有限公司 | A kind of compound package material and preparation method thereof |
| CN107353561A (en) * | 2017-06-20 | 2017-11-17 | 苏州奥宇包装科技有限公司 | A kind of preparation method of packaging film |
| CN112011112A (en) * | 2020-09-10 | 2020-12-01 | 安徽源洲包装材料有限公司 | Easy-adhesion and easy-tearing plastic film and preparation method thereof |
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