CN106928535A - Preparation method of soluble ethylene propylene rubber packaging film - Google Patents
Preparation method of soluble ethylene propylene rubber packaging film Download PDFInfo
- Publication number
- CN106928535A CN106928535A CN201511027642.1A CN201511027642A CN106928535A CN 106928535 A CN106928535 A CN 106928535A CN 201511027642 A CN201511027642 A CN 201511027642A CN 106928535 A CN106928535 A CN 106928535A
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- China
- Prior art keywords
- packaging film
- soluble
- preparation
- rubbers
- film
- Prior art date
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- 229920006280 packaging film Polymers 0.000 title claims abstract description 26
- 239000012785 packaging film Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 229920000181 Ethylene propylene rubber Polymers 0.000 title abstract 4
- 229920006124 polyolefin elastomer Polymers 0.000 claims abstract description 27
- 229920000092 linear low density polyethylene Polymers 0.000 claims abstract description 15
- 239000004707 linear low-density polyethylene Substances 0.000 claims abstract description 15
- 239000000654 additive Substances 0.000 claims abstract description 10
- 230000000996 additive effect Effects 0.000 claims abstract description 10
- 229920001971 elastomer Polymers 0.000 claims description 21
- 239000005060 rubber Substances 0.000 claims description 21
- 239000008188 pellet Substances 0.000 claims description 19
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical group CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 10
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 claims description 10
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 3
- 239000004711 α-olefin Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 abstract description 6
- 238000007664 blowing Methods 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract 1
- 238000010096 film blowing Methods 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 description 6
- 239000002199 base oil Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 229920001684 low density polyethylene Polymers 0.000 description 3
- 239000004702 low-density polyethylene Substances 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
-
- 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
-
- 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
- C08J2323/08—Copolymers of ethene
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—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
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to a preparation method of a soluble ethylene propylene rubber packaging film, which comprises the following steps: step one, blending a polyolefin elastomer and linear low-density polyethylene, then adding an additive, and extruding and granulating in a double-screw extruder at 150-160 ℃; and step two, drying the granules obtained in the step one at 70-80 ℃, and blowing the film at 180-190 ℃ to obtain the transparent film. The soluble ethylene propylene rubber packaging film prepared by the film blowing method is mixed with the ethylene propylene rubber J-0010 to carry out oil solubility test, has good oil solubility, does not precipitate at the temperature of-20 ℃, has good low temperature property, and solves the problems of time and labor waste in peeling the packaging film and high price of the used soluble packaging film.
Description
Technical field
The present invention relates to a kind of preparation method of soluble EP rubbers packaging film.
Background technology
EP rubbers packaging film is divided into ethylene-vinyl acetate copolymer (EVA), low density polyethylene (LDPE) (LDPE)
And soluble package film, the main component of soluble package film is ethene.EPM (EPM)
Packaging inner membrance uses soluble package film, without peeling off, base oil can be dissolved at a certain temperature, and
At low temperature without precipitation.The process for peeling off packaging film is eliminated, it is time saving and energy saving, but the packaging film
Bring a high price.
Production and scientific research report of the domestic literature on packaging film are a lot.South China Science ＆ Engineering University is modified
The research of polypropylene and polypropylene packaging film, maleic anhydride (MAH) is have studied to poly- with double screw extruder
The free radical fusion-grafting of propylene (PP).Huangshan Yongxin Co., Ltd peace has carried out polyolefin bullet
The performance study of gonosome (POE) resin modified CPP films, in 3 layers of coextrusion casting polypropylene film (CPP
Film) material resin in, add POE resin, carried out the modified of CPP films.Close sincere in Guangzhou
Chemical Co., Ltd. Li Gang, South China Science ＆ Engineering University college of materials science and engineering Zeng Xiantong etc. have carried out masterbatch
Method prepares HDPE/POE/CaCO3The performance study of film, is prepared using mother material (secondary extrusion molding)
HDPE/POE/CaCO3Blend thin filmses.Patent WO9837139 describes heat-sealing polyolefin blend film,
With low haze and good mechanical performance.At present, also without soluble package film in terms of documents and materials.
The content of the invention
It is an object of the invention to provide a kind of preparation method of soluble EP rubbers packaging film.
To achieve the above object, the present invention provides a kind of preparation method of soluble EP rubbers packaging film,
Comprise the following steps：
Step one, polyolefin elastomer is blended with LLDPE, is subsequently adding addition
Agent, is extruded and is granulated in 150 DEG C~160 DEG C in double screw extruder；And
Step 2, the pellet that step one is obtained is dried at 70 DEG C~80 DEG C, is entered at 180 DEG C~190 DEG C
Row blown film, obtains transparent membrane.
Wherein, the polyolefin elastomer is the copolymer of ethene and alpha-olefin, and the linea low density gathers
Ethene is LLDPE7042 pellets or powder.
Wherein, the addition of the polyolefin elastomer accounts for polyolefin elastomer and LLDPE
The 20.0%-30.0wt% of quality summation.
Wherein, the additive is oleamide.
Wherein, the consumption of the oleamide is that polyolefin elastomer and LLDPE quality are total
The 0.08%-0.1wt% of sum.
Wherein, the screw speed of the double screw extruder is 100r/min~120r/min.
Wherein, blown film is carried out with HAAKE rheometers in step 2.
Wherein, in step 2, the pellet that step one is obtained is dried at 75 DEG C~80 DEG C, 180 DEG C~185
Blown film is carried out at DEG C, transparent membrane is obtained.
Wherein, the addition of the polyolefin elastomer accounts for polyolefin elastomer and LLDPE
23.0%~27.0wt% of quality summation.
The beneficial effects of the invention are as follows：
The soluble EP rubbers packaging film that the present invention is prepared with blowing, it is mixed with EP rubbers J-0010
Conjunction carries out oil-soluble experiment, and oil-soluble is good, and without precipitation at -20 DEG C, low temperature properties are good, solves stripping packaging
Film is wasted time and energy and the soluble package film price that uses problem high.
Specific embodiment
A kind of preparation method of soluble EP rubbers packaging film, comprises the following steps：
Step one, polyolefin elastomer (POE) is carried out with LLDPE (LLDPE)
Blending, is subsequently adding additive, is extruded and is granulated in double screw extruder in 150 DEG C~160 DEG C；
And
Step 2, the pellet that step one is obtained is dried at 70 DEG C~80 DEG C, is entered at 180 DEG C~190 DEG C
Row blown film, obtains transparent membrane.
Wherein, the polyolefin elastomer is the copolymer of ethene and alpha-olefin, and the linea low density gathers
Ethene is LLDPE7042 pellets or powder.
Wherein, the addition of the polyolefin elastomer accounts for polyolefin elastomer and LLDPE
The 20.0%-30.0wt% of quality summation.
Wherein, the additive is oleamide.
Wherein, the consumption of the oleamide is that polyolefin elastomer and LLDPE quality are total
The 0.08%-0.1wt% of sum.
Wherein, the screw speed of the double screw extruder is 100r/min~120r/min.
Wherein, blown film is carried out with HAAKE rheometers in step 2.
Wherein, in step 2, the pellet that step one is obtained is dried at 75 DEG C~80 DEG C, 180 DEG C~185
Blown film is carried out at DEG C, transparent membrane is obtained.
Wherein, the addition of the polyolefin elastomer accounts for polyolefin elastomer and LLDPE
The 23.0%-27.0wt% of quality summation.
Embodiment 1
POE7467 pellets 2.0kg and LLDPE7042 pellets 8.0kg is blended, additive is added
Oleamide 10g, its consumption is the 0.1% of POE7467 and LLDPE7042 mass summations, in 150 DEG C
Extruded in double screw extruder and granulated, screw speed is 100r/min.
The pellet that will be obtained, is dried at 80 DEG C, and blown film is carried out with HAAKE rheometers in 180 DEG C, is obtained
To opaque white film.The film that will be obtained takes 0.16g and mixes with 20g EP rubbers J-0010, in 125
DEG C mixing speed is 130r/min, 181.4g 150N lube base oils is dissolved in, without precipitation at -20 DEG C.
Embodiment 2
POE7467 pellets 2.5kg and LLDPE7042 powders 7.5kg is blended, additive is added
Oleamide 8g, its consumption is the 0.08% of POE7467 and LLDPE7042 mass summations, in 160 DEG C
Extruded in double screw extruder and granulated, screw speed is 110r/min.
The pellet that will be obtained, is dried at 70 DEG C, and blown film is carried out with HAAKE rheometers in 190 DEG C, is obtained
To opaque white film.The film that will be obtained takes 0.16g and mixes with 20g EP rubbers J-0010,125
DEG C mixing speed is 130r/min, 181.4g 150N lube base oils is dissolved in, without precipitation at -20 DEG C.
Embodiment 3
POE8150 pellets 2.7kg and LLDPE7042 pellets 7.3kg is blended, additive is added
Oleamide 9g, its consumption is the 0.09% of POE8150 and LLDPE7042 mass summations, in 155 DEG C
Extruded in double screw extruder and granulated, screw speed is 120r/min.
The pellet that will be obtained, is dried at 75 DEG C, and blown film is carried out with HAAKE rheometers in 185 DEG C, is obtained
To opaque white film.The film that will be obtained takes 0.16g and mixes with 20g EP rubbers J-0010,125
DEG C mixing speed is 130r/min, 181.4g 150N lube base oils is dissolved in, without precipitation at -20 DEG C.
Embodiment 4
POE8150 pellets 3.0kg and LLDPE7042 powders 7.0kg is blended, additive is added
Oleamide 10g, its consumption is the 0.1% of POE8150 and LLDPE7042 mass summations, in 150 DEG C
Extruded in double screw extruder and granulated, screw speed is 100r/min.
The pellet that will be obtained, is dried at 80 DEG C, and blown film is carried out with HAAKE rheometers in 180 DEG C, is obtained
To opaque white film.The film that will be obtained takes 0.16g and mixes with 20g EP rubbers J-0010,125
DEG C mixing speed is 130r/min, 181.4g 150N lube base oils is dissolved in, without precipitation at -20 DEG C.
Certainly, the present invention can also have other various embodiments, without departing substantially from spiritual and its essence of the invention
In the case of, those of ordinary skill in the art can make various corresponding changes and deformation according to the present invention,
But these corresponding changes and deformation should all belong to the protection domain of the claims in the present invention.
Claims (9)
1. a kind of preparation method of soluble EP rubbers packaging film, it is characterised in that comprise the following steps：
Step one, polyolefin elastomer is blended with LLDPE, is subsequently adding additive,
Extruded and granulated in double screw extruder in 150 DEG C~160 DEG C；And
Step 2, the pellet that step one is obtained is dried at 70 DEG C~80 DEG C, is entered at 180 DEG C~190 DEG C
Row blown film, obtains transparent membrane.
2. the preparation method of soluble EP rubbers packaging film according to claim 1, its feature exists
In the polyolefin elastomer is the copolymer of ethene and alpha-olefin, and the LLDPE is
LLDPE7042 pellets or powder.
3. the preparation method of soluble EP rubbers packaging film according to claim 1, its feature exists
In the addition of the polyolefin elastomer accounts for polyolefin elastomer and LLDPE quality summation
20.0%~30.0wt%.
4. the preparation method of soluble EP rubbers packaging film according to claim 1, its feature exists
In the additive is oleamide.
5. the preparation method of soluble EP rubbers packaging film according to claim 4, its feature exists
In the consumption of the oleamide is polyolefin elastomer and LLDPE quality summation
0.08%-0.1wt%.
6. the preparation method of soluble EP rubbers packaging film according to claim 1, its feature exists
In the screw speed of the double screw extruder is 100r/min~120r/min.
7. the preparation method of soluble EP rubbers packaging film according to claim 1, its feature exists
In carrying out blown film with HAAKE rheometers in step 2.
8. the preparation method of soluble EP rubbers packaging film according to claim 1, its feature exists
In in step 2, the pellet that step one is obtained is dried at 75 DEG C~80 DEG C, at 180 DEG C~185 DEG C
Blown film is carried out, transparent membrane is obtained.
9. the preparation method of soluble EP rubbers packaging film according to claim 3, its feature exists
In the addition of the polyolefin elastomer accounts for polyolefin elastomer and LLDPE quality summation
23.0%~27.0wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027642.1A CN106928535B (en) | 2015-12-30 | 2015-12-30 | Preparation method of soluble ethylene propylene rubber packaging film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027642.1A CN106928535B (en) | 2015-12-30 | 2015-12-30 | Preparation method of soluble ethylene propylene rubber packaging film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106928535A true CN106928535A (en) | 2017-07-07 |
| CN106928535B CN106928535B (en) | 2020-01-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107722431A (en) * | 2017-11-06 | 2018-02-23 | 无锡海特新材料研究院有限公司 | A kind of anti-ultraviolet ageing polyethylene film and preparation method thereof |
| CN110607018A (en) * | 2018-06-14 | 2019-12-24 | 中国石油天然气股份有限公司 | Soluble film composition, soluble film, preparation method and application thereof |
| CN111171435A (en) * | 2018-11-12 | 2020-05-19 | 中国石油天然气股份有限公司 | Ethylene propylene rubber soluble packaging film and preparation method thereof |
| CN111440375A (en) * | 2019-01-16 | 2020-07-24 | 中国石油天然气股份有限公司 | Soluble film composition, soluble film and preparation method thereof |
| CN114805655A (en) * | 2021-01-21 | 2022-07-29 | 中国石油天然气股份有限公司 | Ethylene propylene rubber, preparation method thereof and application thereof in field of soluble packaging film |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863685A (en) * | 2012-09-26 | 2013-01-09 | 北京印刷学院 | Fresh-keeping packaging material for tomatoes |
-
2015
- 2015-12-30 CN CN201511027642.1A patent/CN106928535B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863685A (en) * | 2012-09-26 | 2013-01-09 | 北京印刷学院 | Fresh-keeping packaging material for tomatoes |
Non-Patent Citations (2)
| Title |
|---|
| 杨燕: "包装膜发展现状及新技术综述", 《印刷世界》 * |
| 金春玉等: "乙丙橡胶包装膜的评价", 《弹性体》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107722431A (en) * | 2017-11-06 | 2018-02-23 | 无锡海特新材料研究院有限公司 | A kind of anti-ultraviolet ageing polyethylene film and preparation method thereof |
| CN110607018A (en) * | 2018-06-14 | 2019-12-24 | 中国石油天然气股份有限公司 | Soluble film composition, soluble film, preparation method and application thereof |
| CN110607018B (en) * | 2018-06-14 | 2021-11-30 | 中国石油天然气股份有限公司 | Soluble film composition, soluble film, preparation method and application thereof |
| CN111171435A (en) * | 2018-11-12 | 2020-05-19 | 中国石油天然气股份有限公司 | Ethylene propylene rubber soluble packaging film and preparation method thereof |
| CN111440375A (en) * | 2019-01-16 | 2020-07-24 | 中国石油天然气股份有限公司 | Soluble film composition, soluble film and preparation method thereof |
| CN114805655A (en) * | 2021-01-21 | 2022-07-29 | 中国石油天然气股份有限公司 | Ethylene propylene rubber, preparation method thereof and application thereof in field of soluble packaging film |
| CN114805655B (en) * | 2021-01-21 | 2024-01-30 | 中国石油天然气股份有限公司 | Ethylene propylene rubber, preparation method thereof and application thereof in field of soluble packaging films |
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| Publication number | Publication date |
|---|---|
| CN106928535B (en) | 2020-01-07 |
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