CN104788822A - Polymeric membrane material for packaging and preparation method thereof - Google Patents
Polymeric membrane material for packaging and preparation method thereof Download PDFInfo
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- CN104788822A CN104788822A CN201510188331.7A CN201510188331A CN104788822A CN 104788822 A CN104788822 A CN 104788822A CN 201510188331 A CN201510188331 A CN 201510188331A CN 104788822 A CN104788822 A CN 104788822A
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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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
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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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
-
- 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
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Wrappers (AREA)
Abstract
The invention belongs to the field of packaging materials, and relates to a polymeric membrane material for packaging and a preparation method thereof. The polymeric membrane material is prepared from the following constituents: 35-60 parts of polypropylene, 4-10 parts of polycaprolactone, 5-16 parts of polytrimethylene terephthalate, 3-9 parts of poly(butylene succinate), 2-5 parts of dioctyl terephthalate, 0.5-1.5 parts of tributyl phosphate, 4-8 parts of polyethylene glycol acrylate, 2-6 parts of poly-3-hydroxybutyrate, and 0.5-1.2 parts of diethyl phthalate. The preparation method comprises the following steps: (1) starting a high-speed mixer, and sequentially feeding the raw materials into a high-speed mixer to be mixed; (2) using a twin-screw extruder to squeeze the mixed membrane materials at high temperature; (3) using a high-temperature casting machine to cast the mixed materials squeezed by the twin-screw extruder to form a membrane; (4) cooling the packaging membrane material cast by the casting machine, so as to obtain the polymeric membrane material for packaging.
Description
Technical field
The invention belongs to packaging field, relate to a kind of film for packaging material and preparation method thereof, particularly relate to a kind of packaging macromolecule member material and preparation method thereof.
Background technology
On the basis of Development of Packaging Industry, the packaging of article is also developed accordingly.From simple paper wrapper, to single layer plastics films packaging, develop into widely using of matrix material.The features such as composite film material can make package contents have moisturizing, protects fragrant, attractive in appearance, fresh-keeping, lucifuge, impermeable, Shelf-life, thus obtain fast development.Composite packaging mould material is two or more material, combines, thus form the matrix material of certain function through one or many recombining process.Generally can be divided into basic unit, functional layer and hot sealing layer.The effects such as attractive in appearance, printing, resistance be wet mainly play in basic unit.Packing film material has puncture resistant, super-strength high-performance, carries out winding package to the goods be deposited on supporting plate, make packing material more firm clean and tidy, more superpower waterproof action, is widely used, in foreign export, papermaking, five metals, plastics chemical industry, building materials, food pharmaceutical industries.
The tensile strength of conventional packaging macromolecule member material needs higher, and at high temperature shrinking percentage should be low as far as possible simultaneously, therefore proposes higher requirement and standard to packaging macromolecule member material.
Summary of the invention
The technical problem solved: the object of this invention is to provide a kind of packaging macromolecule member material with good tensile strength and lower high-temperature shrinkage rate, solves the problem that the intensity of packaging macromolecule member material is higher compared with shrinking percentage under low and high temperature.
Technical scheme: for the problems referred to above, the invention discloses a kind of packaging macromolecule member material and preparation method thereof, and described packaging macromolecule member material comprises the material of following weight part:
Polypropylene 35-60 part,
Polycaprolactone 4-10 part,
Polytrimethylene terephthalate 5-16 part,
Poly butylene succinate 3-9 part,
Dioctyl terephthalate 2-5 part,
Tributyl phosphate 0.5-1.5 part,
Polyethyleneglycol diacrylate 4-8 part,
Poly-3-hydroxybutyrate ester 2-6 part,
Diethyl phthalate 0.5-1.2 part.
Further, described a kind of packaging macromolecule member material, comprises the material of following weight part:
Polypropylene 40-55 part,
Polycaprolactone 5-8 part,
Polytrimethylene terephthalate 7-14 part,
Poly butylene succinate 4-7 part,
Dioctyl terephthalate 3-4 part,
Tributyl phosphate 0.7-1.3 part,
Polyethyleneglycol diacrylate 5-7 part,
Poly-3-hydroxybutyrate ester 3-5 part,
Diethyl phthalate 0.6-1.0 part.
Further, described a kind of packaging macromolecule member material, comprises the material of following weight part:
Polypropylene 48 parts,
Polycaprolactone 7 parts,
Polytrimethylene terephthalate 11 parts,
Poly butylene succinate 6 parts,
Dioctyl terephthalate 4 parts,
Tributyl phosphate 1 part,
Polyethyleneglycol diacrylate 6 parts,
Poly-3-hydroxybutyrate ester 4 parts,
Diethyl phthalate 0.8 part.
The preparation method of described a kind of packaging macromolecule member material, comprises the following steps:
(1) high-speed mixer is opened, high-speed mixer rotating speed is 80rpm-250rpm, get that polypropylene is 35-60 part, polycaprolactone is 4-10 part, polytrimethylene terephthalate is 5-16 part, poly butylene succinate is 3-9 part by weight, dioctyl terephthalate 2-5 part, tributyl phosphate 0.5-1.5 part, polyethyleneglycol diacrylate 4-8 part, poly-3-hydroxybutyrate ester 2-6 part, diethyl phthalate 0.5-1.2 part, drop into successively in above-mentioned high-speed mixer and mix 30min;
(2) after mixing terminates, again hybrid films material twin screw extruder high temperature extrusion, double-screw extruder screw length-to-diameter ratio is 10:1-20:1, twin screw extruder extrusion temperature is respectively: first district's temperature is 165-170 DEG C, second district's temperature is 174-180 DEG C, 3rd district's temperature is 188-196 DEG C, and the 4th district's temperature is 200-206 DEG C, and the 5th district's temperature is 215-220 DEG C;
(3) again material high temperature casting machine will be carried out casting film-forming after twin screw extruder extruding, casting temperature is 196-216 DEG C;
(4) by the packing film material cooled after casting machine curtain coating, packaging macromolecule member material is prepared.
Further, the preparation method of described a kind of packaging macromolecule member material, step (1) high speed mixing machine rotating speed is 160rpm.
Further, the preparation method of described a kind of packaging macromolecule member material, in step (2), double-screw extruder screw length-to-diameter ratio is 15:1.
Further, the preparation method of described a kind of packaging macromolecule member material, in step (2), twin screw extruder extrusion temperature is respectively: first district's temperature is 168 DEG C, second district's temperature is 177 DEG C, 3rd district's temperature is 192 DEG C, and the 4th district's temperature is 203 DEG C, and the 5th district's temperature is 218 DEG C.
Further, the preparation method of described a kind of packaging macromolecule member material, in step (3), casting temperature is 206 DEG C.
Beneficial effect: packaging macromolecule member material of the present invention has the lower feature of shrinking percentage under hot conditions, and there is desirable tensile strength, macromolecule member material its shrinking percentage at temperature is 150 DEG C of preparation only has 0.2% to 1.5%, and the tensile strength of macromolecule member material of the present invention is 17.9MPa to 25.4MPa.
Embodiment
Embodiment 1
(1) high-speed mixer is opened, high-speed mixer rotating speed is 250rpm, get that polypropylene is 60 parts, polycaprolactone is 10 parts, polytrimethylene terephthalate is 16 parts by weight, poly butylene succinate be 9 parts, dioctyl terephthalate 5 parts, tributyl phosphate 1.5 parts, polyethyleneglycol diacrylate 4 parts, poly-3-hydroxybutyrate ester 6 parts, diethyl phthalate 1.2 parts, drop into successively in above-mentioned high-speed mixer and mix 30min;
(2) after mixing terminates, again hybrid films material twin screw extruder high temperature extrusion, double-screw extruder screw length-to-diameter ratio is 20:1, twin screw extruder extrusion temperature is respectively: first district's temperature is 170 DEG C, second district's temperature is 174 DEG C, 3rd district's temperature is 196 DEG C, and the 4th district's temperature is 200 DEG C, and the 5th district's temperature is 220 DEG C;
(3) again material high temperature casting machine will be carried out casting film-forming after twin screw extruder extruding, casting temperature is 216 DEG C;
(4) by the packing film material cooled after casting machine curtain coating, packaging macromolecule member material is prepared.
Embodiment 2
(1) high-speed mixer is opened, high-speed mixer rotating speed is 80rpm, get that polypropylene is 35 parts, polycaprolactone is 4 parts, polytrimethylene terephthalate is 5 parts by weight, poly butylene succinate be 3 parts, dioctyl terephthalate 2 parts, tributyl phosphate 0.5 part, polyethyleneglycol diacrylate 8 parts, poly-3-hydroxybutyrate ester 2 parts, diethyl phthalate 0.5 part, drop into successively in above-mentioned high-speed mixer and mix 30min;
(2) after mixing terminates, again hybrid films material twin screw extruder high temperature extrusion, double-screw extruder screw length-to-diameter ratio is 10:1, twin screw extruder extrusion temperature is respectively: first district's temperature is 165 DEG C, second district's temperature is 180 DEG C, 3rd district's temperature is 188 DEG C, and the 4th district's temperature is 206 DEG C, and the 5th district's temperature is 215 DEG C;
(3) again material high temperature casting machine will be carried out casting film-forming after twin screw extruder extruding, casting temperature is 196 DEG C;
(4) by the packing film material cooled after casting machine curtain coating, packaging macromolecule member material is prepared.
Embodiment 3
(1) high-speed mixer is opened, high-speed mixer rotating speed is 250rpm, get that polypropylene is 40 parts, polycaprolactone is 8 parts, polytrimethylene terephthalate is 7 parts by weight, poly butylene succinate be 7 parts, dioctyl terephthalate 3 parts, tributyl phosphate 1.3 parts, polyethyleneglycol diacrylate 5 parts, poly-3-hydroxybutyrate ester 5 parts, diethyl phthalate 1.0 parts, drop into successively in above-mentioned high-speed mixer and mix 30min;
(2) after mixing terminates, again hybrid films material twin screw extruder high temperature extrusion, double-screw extruder screw length-to-diameter ratio is 20:1, twin screw extruder extrusion temperature is respectively: first district's temperature is 170 DEG C, second district's temperature is 174 DEG C, 3rd district's temperature is 196 DEG C, and the 4th district's temperature is 200 DEG C, and the 5th district's temperature is 220 DEG C;
(3) again material high temperature casting machine will be carried out casting film-forming after twin screw extruder extruding, casting temperature is 216 DEG C;
(4) by the packing film material cooled after casting machine curtain coating, packaging macromolecule member material is prepared.
Embodiment 4
(1) high-speed mixer is opened, high-speed mixer rotating speed is 80rpm, get that polypropylene is 55 parts, polycaprolactone is 5 parts, polytrimethylene terephthalate is 14 parts by weight, poly butylene succinate be 4 parts, dioctyl terephthalate 4 parts, tributyl phosphate 0.7 part, polyethyleneglycol diacrylate 7 parts, poly-3-hydroxybutyrate ester 3 parts, diethyl phthalate 0.6 part, drop into successively in above-mentioned high-speed mixer and mix 30min;
(2) after mixing terminates, again hybrid films material twin screw extruder high temperature extrusion, double-screw extruder screw length-to-diameter ratio is 10:1, twin screw extruder extrusion temperature is respectively: first district's temperature is 165 DEG C, second district's temperature is 180 DEG C, 3rd district's temperature is 188 DEG C, and the 4th district's temperature is 206 DEG C, and the 5th district's temperature is 215 DEG C;
(3) again material high temperature casting machine will be carried out casting film-forming after twin screw extruder extruding, casting temperature is 196 DEG C;
(4) by the packing film material cooled after casting machine curtain coating, packaging macromolecule member material is prepared.
Embodiment 5
(1) high-speed mixer is opened, high-speed mixer rotating speed is 250rpm, get that polypropylene is 60 parts, polycaprolactone is 10 parts, polytrimethylene terephthalate is 16 parts by weight, poly butylene succinate be 9 parts, dioctyl terephthalate 5 parts, tributyl phosphate 1.5 parts, polyethyleneglycol diacrylate 4 parts, poly-3-hydroxybutyrate ester 6 parts, diethyl phthalate 1.2 parts, drop into successively in above-mentioned high-speed mixer and mix 30min;
(2) after mixing terminates, again hybrid films material twin screw extruder high temperature extrusion, double-screw extruder screw length-to-diameter ratio is 20:1, twin screw extruder extrusion temperature is respectively: first district's temperature is 170 DEG C, second district's temperature is 174 DEG C, 3rd district's temperature is 196 DEG C, and the 4th district's temperature is 200 DEG C, and the 5th district's temperature is 220 DEG C;
(3) again material high temperature casting machine will be carried out casting film-forming after twin screw extruder extruding, casting temperature is 216 DEG C;
(4) by the packing film material cooled after casting machine curtain coating, packaging macromolecule member material is prepared.
Comparative example 1
(1) high-speed mixer is opened, high-speed mixer rotating speed is 250rpm, get that polypropylene is 60 parts, polycaprolactone is 10 parts, polytrimethylene terephthalate is 16 parts by weight, poly butylene succinate be 9 parts, dioctyl terephthalate 5 parts, tributyl phosphate 1.5 parts, diethyl phthalate 1.2 parts, drop into successively in above-mentioned high-speed mixer and mix 30min;
(2) after mixing terminates, again hybrid films material twin screw extruder high temperature extrusion, double-screw extruder screw length-to-diameter ratio is 20:1, twin screw extruder extrusion temperature is respectively: first district's temperature is 170 DEG C, second district's temperature is 174 DEG C, 3rd district's temperature is 196 DEG C, and the 4th district's temperature is 200 DEG C, and the 5th district's temperature is 220 DEG C;
(3) again material high temperature casting machine will be carried out casting film-forming after twin screw extruder extruding, casting temperature is 216 DEG C;
(4) by the packing film material cooled after casting machine curtain coating, packaging macromolecule member material is prepared.
After preparing packaging macromolecule member material, determine shrinking percentage at the tensile strength of the mould material of the above embodiments and comparative example and 150 DEG C, result is as follows:
| Tensile strength (MPa) | Shrinking percentage | |
| Embodiment 1 | 18.4 | 1.5% |
| Embodiment 2 | 17.9 | 1.4% |
| Embodiment 3 | 22.2 | 0.9% |
| Embodiment 4 | 21.5 | 1.0% |
| Embodiment 5 | 25.4 | 0.2% |
| Comparative example 1 | 13.3 | 5.8% |
Claims (8)
1. a packaging macromolecule member material, is characterized in that described packaging macromolecule member material comprises the material of following weight part:
Polypropylene 35-60 part,
Polycaprolactone 4-10 part,
Polytrimethylene terephthalate 5-16 part,
Poly butylene succinate 3-9 part,
Dioctyl terephthalate 2-5 part,
Tributyl phosphate 0.5-1.5 part,
Polyethyleneglycol diacrylate 4-8 part,
Poly-3-hydroxybutyrate ester 2-6 part,
Diethyl phthalate 0.5-1.2 part.
2. a kind of packaging macromolecule member material according to claim 1, is characterized in that described packaging macromolecule member material comprises the material of following weight part:
Polypropylene 40-55 part,
Polycaprolactone 5-8 part,
Polytrimethylene terephthalate 7-14 part,
Poly butylene succinate 4-7 part,
Dioctyl terephthalate 3-4 part,
Tributyl phosphate 0.7-1.3 part,
Polyethyleneglycol diacrylate 5-7 part,
Poly-3-hydroxybutyrate ester 3-5 part,
Diethyl phthalate 0.6-1.0 part.
3. a kind of packaging macromolecule member material according to claim 1, is characterized in that described packaging macromolecule member material comprises the material of following weight part:
Polypropylene 48 parts,
Polycaprolactone 7 parts,
Polytrimethylene terephthalate 11 parts,
Poly butylene succinate 6 parts,
Dioctyl terephthalate 4 parts,
Tributyl phosphate 1 part,
Polyethyleneglycol diacrylate 6 parts,
Poly-3-hydroxybutyrate ester 4 parts,
Diethyl phthalate 0.8 part.
4. the preparation method of a kind of packaging macromolecule member material according to claim 1, is characterized in that: the preparation method of described packaging macromolecule member material comprises the following steps:
(1) high-speed mixer is opened, high-speed mixer rotating speed is 80rpm-250rpm, get that polypropylene is 35-60 part, polycaprolactone is 4-10 part, polytrimethylene terephthalate is 5-16 part, poly butylene succinate is 3-9 part by weight, dioctyl terephthalate 2-5 part, tributyl phosphate 0.5-1.5 part, polyethyleneglycol diacrylate 4-8 part, poly-3-hydroxybutyrate ester 2-6 part, diethyl phthalate 0.5-1.2 part, drop into successively in above-mentioned high-speed mixer and mix 30min;
(2) after mixing terminates, again hybrid films material twin screw extruder high temperature extrusion, double-screw extruder screw length-to-diameter ratio is 10:1-20:1, twin screw extruder extrusion temperature is respectively: first district's temperature is 165-170 DEG C, second district's temperature is 174-180 DEG C, 3rd district's temperature is 188-196 DEG C, and the 4th district's temperature is 200-206 DEG C, and the 5th district's temperature is 215-220 DEG C;
(3) again material high temperature casting machine will be carried out casting film-forming after twin screw extruder extruding, casting temperature is 196-216 DEG C;
(4) by the packing film material cooled after casting machine curtain coating, packaging macromolecule member material is prepared.
5. the preparation method of a kind of packaging macromolecule member material according to claim 4, is characterized in that: preparation method's step (1) high speed mixing machine rotating speed is 160rpm.
6. the preparation method of a kind of packaging macromolecule member material according to claim 4, is characterized in that: in preparation method's step (2), double-screw extruder screw length-to-diameter ratio is 15:1.
7. the preparation method of a kind of packaging macromolecule member material according to claim 4, it is characterized in that: in preparation method's step (2), twin screw extruder extrusion temperature is respectively: first district's temperature is 168 DEG C, second district's temperature is 177 DEG C, 3rd district's temperature is 192 DEG C, 4th district's temperature is 203 DEG C, and the 5th district's temperature is 218 DEG C.
8. the preparation method of a kind of packaging macromolecule member material according to claim 4, is characterized in that: in preparation method's step (3), casting temperature is 206 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510188331.7A CN104788822A (en) | 2015-04-21 | 2015-04-21 | Polymeric membrane material for packaging and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510188331.7A CN104788822A (en) | 2015-04-21 | 2015-04-21 | Polymeric membrane material for packaging and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104960442A (en) * | 2015-07-24 | 2015-10-07 | 广州钰鑫环保塑胶有限公司 | Inflatable child safety seat |
| CN105086238A (en) * | 2015-08-19 | 2015-11-25 | 苏州凯欧曼新材料科技有限公司 | High-temperature-resistant composite film packaging material and preparation method thereof |
| CN106810815A (en) * | 2016-12-23 | 2017-06-09 | 苏州缔绿电子科技有限公司 | A kind of packaging membrane material with waterproof and breathable performance and preparation method thereof |
| CN110982169A (en) * | 2019-11-21 | 2020-04-10 | 泰州科聚新材料技术研究院有限公司 | Photoresponse intelligent azobenzene liquid crystal polymer film material |
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| CN103333394A (en) * | 2013-07-15 | 2013-10-02 | 四川大学 | Preparation method capable of designing polymer matrix functional film |
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| CN1256661A (en) * | 1997-05-19 | 2000-06-14 | 美孚石油公司 | Improved composition for uniaxially heat-shrinkable biaxially oriented |
| CN102089148A (en) * | 2008-01-29 | 2011-06-08 | 弗纳技术股份有限公司 | Modifiers for oriented polypropylene |
| WO2011080623A2 (en) * | 2009-12-31 | 2011-07-07 | Kimberly-Clark Worldwide, Inc. | Natural biopolymer thermoplastic films |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104960442A (en) * | 2015-07-24 | 2015-10-07 | 广州钰鑫环保塑胶有限公司 | Inflatable child safety seat |
| CN105086238A (en) * | 2015-08-19 | 2015-11-25 | 苏州凯欧曼新材料科技有限公司 | High-temperature-resistant composite film packaging material and preparation method thereof |
| CN106810815A (en) * | 2016-12-23 | 2017-06-09 | 苏州缔绿电子科技有限公司 | A kind of packaging membrane material with waterproof and breathable performance and preparation method thereof |
| CN110982169A (en) * | 2019-11-21 | 2020-04-10 | 泰州科聚新材料技术研究院有限公司 | Photoresponse intelligent azobenzene liquid crystal polymer film material |
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