CN105924773A - Bamboo-plastic composite packaging thin film and preparation method thereof - Google Patents
Bamboo-plastic composite packaging thin film and preparation method thereof Download PDFInfo
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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
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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
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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
- 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
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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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
- 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
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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
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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
- 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 invention provides a bamboo-plastic composite packaging thin film and a preparation method thereof. The preparation method includes the following steps that 1, methyl triethoxysilane, phenyltrimethoxysilane, acetone, methyl alcohol and deionized water are mixed and stirred through a magnetic stirrer; 2, bamboo powder and ramie powder are added, and the mixture is put in a water bath pot to be stirred; 3, standing is conducted; 4, filtering is conducted, and the mixture is put in an oven to be dried; 5, the components, an ethylene-vinyl acetate copolymer, polypropylene, zinc oxide, dilauryl thiodipropionate, ethlene bistearic amide, calcium stearate and octaphenyl polyoxyethyiene are mixed and put in a high-speed disperser to be dispersed; 6, the mixture is put in a double-screw extruder to be subjected to extrusion pelletization; 7, the mixture is put in an injection molding machine to be subjected to injection molding. The bamboo-plastic composite packaging thin film has excellent mechanical performance, good strechability, elasticity and toughness and high anti-impact capacity, and is easy to degrade and environmentally friendly.
Description
Technical field
The present invention relates to Material Field, be specifically related to a kind of bamboo-plastic combined packing film and preparation method thereof.
Background technology
Along with the fast development of economic science and technology, the living standard of people have also been obtained and is greatly improved.People not only focus on the essence of commodity when buying commodity, have had certain requirement for its outward appearance, functional etc..Simultaneously, gradually becoming strong also with packing business, the consumption of packaging material has become a huge consumable goods, and not only giving has been that energy starved oil industry causes certain pressure, meanwhile, major part packaging material can not or not readily degradable environment be also result in certain pressure.Enhancing along with people's environmental consciousness, people increasingly pay attention to for the feature of environmental protection of packaging material, and therefore, research and development have good mechanical property, the packaging material of environmental protection simultaneously, for alleviating ambient pressure, are saved the energy and reduction cost are all had the biggest value.
Summary of the invention
Solve the technical problem that:It is an object of the invention to provide a kind of bamboo-plastic combined packing film, have brilliance mechanical property, good draftability, elasticity and toughness, simultaneously strong shock resistance, degradable, environmental protection.
Technical scheme:A kind of bamboo-plastic combined packing film, is prepared from weight portion by following component: ethylene-vinyl acetate copolymer 20-40 part, polypropylene 40-70 part, bamboo powder 7-12 part, Boehmeria powder 1-3 part, zinc oxide 1-2 part, dilauryl thiodipropionate 1-3 part, MTES 1-2 part, phenyltrimethoxysila,e 0.2-0.5 part, ethylene bis stearic amide 2-4 part, calcium stearate 1-2 part, OPEO 0.2-0.5 part, acetone 20-40 part, methanol 20-30 part, deionized water 10-30 part.
Further preferred, the bamboo-plastic combined packing film of described one, it is prepared from weight portion by following component: ethylene-vinyl acetate copolymer 25-35 part, polypropylene 50-60 part, bamboo powder 8-11 part, Boehmeria powder 1.5-2.5 part, zinc oxide 1.2-1.8 part, dilauryl thiodipropionate 1.5-2.5 part, MTES 1.2-1.8 part, phenyltrimethoxysila,e 0.3-0.4 part, ethylene bis stearic amide 2.5-3.5 part, calcium stearate 1.2-1.7 part, OPEO 0.3-0.4 part, acetone 25-35 part, methanol 22-27 part, deionized water 15-25 part.
The preparation method of above-mentioned bamboo-plastic combined packing film comprises the following steps:
(1) MTES, phenyltrimethoxysila,e, acetone, methanol and deionized water are mixed, stir 20-40 minute under rotating speed 60-80r/min with magnetic stirrer；
(2) add bamboo powder and Boehmeria powder, put in water-bath, stir 20-50 minute at temperature 50-70 DEG C；
(3) 10-12 hour is stood；
(4) filter, put in baking oven, dry at temperature 60-80 DEG C；
(5) all components is mixed, put in high speed dispersor and disperse 2-5 minute；
(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 95-100r/min, and one to four district's temperature is followed successively by 150-160 DEG C, 155-165 DEG C, 170-180 DEG C, 175-185 DEG C, and head temperature is 170-180 DEG C；
(7) loading in injection machine and carry out injection mo(u)lding and get final product, material pipe temperature is 180-210 DEG C, and injection pressure is 20-30MPa, and the dwell time is the 5-10 second.
Further, the preparation method of described a kind of bamboo-plastic combined packing film, described step (1) medium speed is 65-75r/min, and mixing time is 25-35 minute.
Further, the preparation method of described a kind of bamboo-plastic combined packing film, in described step (2), temperature is 55-65 DEG C, and mixing time is 30-40 minute.
Further, the preparation method of described a kind of bamboo-plastic combined packing film, in described step (3), time of repose is 10.5-11.5 hour.
Further, the preparation method of described a kind of bamboo-plastic combined packing film, in described step (4), temperature is 65-75 DEG C.
Further, the preparation method of described a kind of bamboo-plastic combined packing film, in described step (5), jitter time is 3-4 minute.
Further, the preparation method of described a kind of bamboo-plastic combined packing film, in described step (6), screw speed is 97r/min, and one to four district's temperature is followed successively by 155 DEG C, 160 DEG C, 175 DEG C, 180 DEG C, and head temperature is 175 DEG C.
Further, the preparation method of described a kind of bamboo-plastic combined packing film, in described step (7), material pipe temperature is 190-200 DEG C, and injection pressure is 25MPa, and the dwell time is 7 seconds.
Beneficial effect:The bamboo-plastic combined packing film of the present invention has the mechanical property of brilliance, and hot strength is up to 32.69MPa, and bending strength is 35.52MPa, and impact strength is 11.78KJ/m2, there is good draftability, elasticity and toughness, simultaneously strong shock resistance, additionally its solution flow rate is 2.18g/10min, again using bamboo powder as enhancement mode raw material, degradable, environmental protection.
Detailed description of the invention
Embodiment 1
A kind of bamboo-plastic combined packing film, is prepared from weight portion by following component: ethylene-vinyl acetate copolymer 25 parts, polypropylene 50 parts, bamboo powder 8 parts, 1.5 parts of Boehmeria powder, zinc oxide 1.2 parts, dilauryl thiodipropionate 1.5 parts, MTES 1.2 parts, phenyltrimethoxysila,e 0.3 part, ethylene bis stearic amide 2.5 parts, calcium stearate 1.2 parts, OPEO 0.3 part, 25 parts of acetone, methanol 22 parts, deionized water 15 parts.
The preparation method of above-mentioned bamboo-plastic combined packing film is: MTES, phenyltrimethoxysila,e, acetone, methanol and deionized water are mixed by (1), stir 25 minutes under rotating speed 65r/min with magnetic stirrer；(2) add bamboo powder and Boehmeria powder, put in water-bath, stir 30 minutes at temperature 55 DEG C；(3) 10.5 hours are stood；(4) filter, put in baking oven, dry at temperature 65 DEG C；(5) all components is mixed, put in high speed dispersor and disperse 3 minutes；(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 97r/min, and one to four district's temperature is followed successively by 155 DEG C, 160 DEG C, 175 DEG C, 180 DEG C, and head temperature is 175 DEG C；(7) loading in injection machine and carry out injection mo(u)lding and get final product, material pipe temperature is 190 DEG C, and injection pressure is 25MPa, and the dwell time is 7 seconds.
Embodiment 2
A kind of bamboo-plastic combined packing film, is prepared from weight portion by following component: ethylene-vinyl acetate copolymer 35 parts, polypropylene 60 parts, bamboo powder 11 parts, 2.5 parts of Boehmeria powder, zinc oxide 1.8 parts, dilauryl thiodipropionate 2.5 parts, MTES 1.8 parts, phenyltrimethoxysila,e 0.4 part, ethylene bis stearic amide 3.5 parts, calcium stearate 1.7 parts, OPEO 0.4 part, 35 parts of acetone, methanol 27 parts, deionized water 25 parts.
The preparation method of above-mentioned bamboo-plastic combined packing film is: MTES, phenyltrimethoxysila,e, acetone, methanol and deionized water are mixed by (1), stir 35 minutes under rotating speed 75r/min with magnetic stirrer；(2) add bamboo powder and Boehmeria powder, put in water-bath, stir 40 minutes at temperature 65 DEG C；(3) 11.5 hours are stood；(4) filter, put in baking oven, dry at temperature 75 DEG C；(5) all components is mixed, put in high speed dispersor and disperse 4 minutes；(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 97r/min, and one to four district's temperature is followed successively by 155 DEG C, 160 DEG C, 175 DEG C, 180 DEG C, and head temperature is 175 DEG C；(7) loading in injection machine and carry out injection mo(u)lding and get final product, material pipe temperature is 200 DEG C, and injection pressure is 25MPa, and the dwell time is 7 seconds.
Embodiment 3
A kind of bamboo-plastic combined packing film, is prepared from weight portion by following component: ethylene-vinyl acetate copolymer 20 parts, polypropylene 40 parts, bamboo powder 7 parts, 1 part of Boehmeria powder, zinc oxide 1 part, dilauryl thiodipropionate 1 part, MTES 1 part, phenyltrimethoxysila,e 0.2 part, ethylene bis stearic amide 2 parts, calcium stearate 1 part, OPEO 0.2 part, 20 parts of acetone, methanol 20 parts, deionized water 10 parts.
The preparation method of above-mentioned bamboo-plastic combined packing film is: MTES, phenyltrimethoxysila,e, acetone, methanol and deionized water are mixed by (1), stir 20 minutes under rotating speed 60r/min with magnetic stirrer；(2) add bamboo powder and Boehmeria powder, put in water-bath, stir 20 minutes under temperature 50 C；(3) 10 hours are stood；(4) filter, put in baking oven, dry under temperature 60 C；(5) all components is mixed, put in high speed dispersor and disperse 2 minutes；(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 95r/min, and one to four district's temperature is followed successively by 150 DEG C, 155 DEG C, 170 DEG C, 175 DEG C, and head temperature is 170 DEG C；(7) loading in injection machine and carry out injection mo(u)lding and get final product, material pipe temperature is 180 DEG C, and injection pressure is 20MPa, and the dwell time is 5 seconds.
Embodiment 4
A kind of bamboo-plastic combined packing film, is prepared from weight portion by following component: ethylene-vinyl acetate copolymer 30 parts, polypropylene 55 parts, bamboo powder 9 parts, 2 parts of Boehmeria powder, zinc oxide 1.5 parts, dilauryl thiodipropionate 2 parts, MTES 1.5 parts, phenyltrimethoxysila,e 0.35 part, ethylene bis stearic amide 3 parts, calcium stearate 1.5 parts, OPEO 0.35 part, 30 parts of acetone, methanol 25 parts, deionized water 20 parts.
The preparation method of above-mentioned bamboo-plastic combined packing film is: MTES, phenyltrimethoxysila,e, acetone, methanol and deionized water are mixed by (1), stir 30 minutes under rotating speed 70r/min with magnetic stirrer；(2) add bamboo powder and Boehmeria powder, put in water-bath, stir 35 minutes under temperature 60 C；(3) 11 hours are stood；(4) filter, put in baking oven, dry under temperature 70 C；(5) all components is mixed, put in high speed dispersor and disperse 3 minutes；(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 97r/min, and one to four district's temperature is followed successively by 155 DEG C, 160 DEG C, 175 DEG C, 180 DEG C, and head temperature is 175 DEG C；(7) loading in injection machine and carry out injection mo(u)lding and get final product, material pipe temperature is 195 DEG C, and injection pressure is 25MPa, and the dwell time is 7 seconds.
Embodiment 5
A kind of bamboo-plastic combined packing film, is prepared from weight portion by following component: ethylene-vinyl acetate copolymer 40 parts, polypropylene 70 parts, bamboo powder 12 parts, 3 parts of Boehmeria powder, zinc oxide 2 parts, dilauryl thiodipropionate 3 parts, MTES 2 parts, phenyltrimethoxysila,e 0.5 part, ethylene bis stearic amide 4 parts, calcium stearate 2 parts, OPEO 0.5 part, 40 parts of acetone, methanol 30 parts, deionized water 30 parts.
The preparation method of above-mentioned bamboo-plastic combined packing film is: MTES, phenyltrimethoxysila,e, acetone, methanol and deionized water are mixed by (1), stir 40 minutes under rotating speed 80r/min with magnetic stirrer；(2) add bamboo powder and Boehmeria powder, put in water-bath, stir 50 minutes under temperature 70 C；(3) 12 hours are stood；(4) filter, put in baking oven, dry at temperature 80 DEG C；(5) all components is mixed, put in high speed dispersor and disperse 5 minutes；(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 100r/min, and one to four district's temperature is followed successively by 160 DEG C, 165 DEG C, 180 DEG C, 185 DEG C, and head temperature is 180 DEG C；(7) loading in injection machine and carry out injection mo(u)lding and get final product, material pipe temperature is 210 DEG C, and injection pressure is 30MPa, and the dwell time is 10 seconds.
Comparative example 1
The present embodiment is not contain Boehmeria powder with the difference of embodiment 5.Specifically:
A kind of bamboo-plastic combined packing film, is prepared from weight portion by following component: ethylene-vinyl acetate copolymer 40 parts, polypropylene 70 parts, bamboo powder 12 parts, zinc oxide 2 parts, dilauryl thiodipropionate 3 parts, MTES 2 parts, phenyltrimethoxysila,e 0.5 part, ethylene bis stearic amide 4 parts, calcium stearate 2 parts, OPEO 0.5 part, 40 parts of acetone, methanol 30 parts, deionized water 30 parts.
The preparation method of above-mentioned bamboo-plastic combined packing film is: MTES, phenyltrimethoxysila,e, acetone, methanol and deionized water are mixed by (1), stir 40 minutes under rotating speed 80r/min with magnetic stirrer；(2) add bamboo powder, put in water-bath, stir 50 minutes under temperature 70 C；(3) 12 hours are stood；(4) filter, put in baking oven, dry at temperature 80 DEG C；(5) all components is mixed, put in high speed dispersor and disperse 5 minutes；(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 100r/min, and one to four district's temperature is followed successively by 160 DEG C, 165 DEG C, 180 DEG C, 185 DEG C, and head temperature is 180 DEG C；(7) loading in injection machine and carry out injection mo(u)lding and get final product, material pipe temperature is 210 DEG C, and injection pressure is 30MPa, and the dwell time is 10 seconds.
Comparative example 2
The present embodiment is not contain dilauryl thiodipropionate with the difference of embodiment 5.Specifically:
A kind of bamboo-plastic combined packing film, is prepared from weight portion by following component: ethylene-vinyl acetate copolymer 40 parts, polypropylene 70 parts, bamboo powder 12 parts, 3 parts of Boehmeria powder, zinc oxide 2 parts, MTES 2 parts, phenyltrimethoxysila,e 0.5 part, ethylene bis stearic amide 4 parts, calcium stearate 2 parts, OPEO 0.5 part, 40 parts of acetone, methanol 30 parts, deionized water 30 parts.
The preparation method of above-mentioned bamboo-plastic combined packing film is: MTES, phenyltrimethoxysila,e, acetone, methanol and deionized water are mixed by (1), stir 40 minutes under rotating speed 80r/min with magnetic stirrer；(2) add bamboo powder and Boehmeria powder, put in water-bath, stir 50 minutes under temperature 70 C；(3) 12 hours are stood；(4) filter, put in baking oven, dry at temperature 80 DEG C；(5) all components is mixed, put in high speed dispersor and disperse 5 minutes；(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 100r/min, and one to four district's temperature is followed successively by 160 DEG C, 165 DEG C, 180 DEG C, 185 DEG C, and head temperature is 180 DEG C；(7) loading in injection machine and carry out injection mo(u)lding and get final product, material pipe temperature is 210 DEG C, and injection pressure is 30MPa, and the dwell time is 10 seconds.
The property indices of material of the present invention see table, it may be seen that the present invention has the mechanical property of brilliance, hot strength is up to 32.69MPa, and bending strength is 35.52MPa, and impact strength is 11.78KJ/m2, there is good draftability, elasticity and toughness, simultaneously strong shock resistance, additionally its solution flow rate is 2.18g/10min, using bamboo powder as enhancement mode raw material, degradable, environmental protection.
The property indices of the bamboo-plastic combined packing film of table 1
Claims (10)
1. a bamboo-plastic combined packing film, it is characterised in that: it is prepared from weight portion by following component: ethylene-vinyl acetate copolymer 20-40 part, polypropylene 40-70 part, bamboo powder 7-12 part, Boehmeria powder 1-3 part, zinc oxide 1-2 part, dilauryl thiodipropionate 1-3 part, MTES 1-2 part, phenyltrimethoxysila,e 0.2-0.5 part, ethylene bis stearic amide 2-4 part, calcium stearate 1-2 part, OPEO 0.2-0.5 part, acetone 20-40 part, methanol 20-30 part, deionized water 10-30 part.
The bamboo-plastic combined packing film of one the most according to claim 1, it is characterized in that: be prepared from weight portion by following component: ethylene-vinyl acetate copolymer 25-35 part, polypropylene 50-60 part, bamboo powder 8-11 part, Boehmeria powder 1.5-2.5 part, zinc oxide 1.2-1.8 part, dilauryl thiodipropionate 1.5-2.5 part, MTES 1.2-1.8 part, phenyltrimethoxysila,e 0.3-0.4 part, ethylene bis stearic amide 2.5-3.5 part, calcium stearate 1.2-1.7 part, OPEO 0.3-0.4 part, acetone 25-35 part, methanol 22-27 part, deionized water 15-25 part.
3. the preparation method of a kind of bamboo-plastic combined packing film described in any one of claim 1 to 2, it is characterised in that: comprise the following steps:
(1) MTES, phenyltrimethoxysila,e, acetone, methanol and deionized water are mixed, stir 20-40 minute under rotating speed 60-80r/min with magnetic stirrer；
(2) add bamboo powder and Boehmeria powder, put in water-bath, stir 20-50 minute at temperature 50-70 DEG C；
(3) 10-12 hour is stood；
(4) filter, put in baking oven, dry at temperature 60-80 DEG C；
(5) all components is mixed, put in high speed dispersor and disperse 2-5 minute；
(6) carrying out extruding pelletization in addition double screw extruder, screw speed is 95-100r/min, and one to four district's temperature is followed successively by 150-160 DEG C, 155-165 DEG C, 170-180 DEG C, 175-185 DEG C, and head temperature is 170-180 DEG C；
(7) loading in injection machine and carry out injection mo(u)lding and get final product, material pipe temperature is 180-210 DEG C, and injection pressure is 20-30MPa, and the dwell time is the 5-10 second.
The preparation method of a kind of bamboo-plastic combined packing film the most according to claim 3, it is characterised in that: described step (1) medium speed is 65-75r/min, and mixing time is 25-35 minute.
The preparation method of a kind of bamboo-plastic combined packing film the most according to claim 3, it is characterised in that: in described step (2), temperature is 55-65 DEG C, and mixing time is 30-40 minute.
The preparation method of a kind of bamboo-plastic combined packing film the most according to claim 3, it is characterised in that: in described step (3), time of repose is 10.5-11.5 hour.
The preparation method of a kind of bamboo-plastic combined packing film the most according to claim 3, it is characterised in that: in described step (4), temperature is 65-75 DEG C.
The preparation method of a kind of bamboo-plastic combined packing film the most according to claim 3, it is characterised in that: in described step (5), jitter time is 3-4 minute.
The preparation method of a kind of bamboo-plastic combined packing film the most according to claim 3, it is characterised in that: in described step (6), screw speed is 97r/min, and one to four district's temperature is followed successively by 155 DEG C, 160 DEG C, 175 DEG C, 180 DEG C, and head temperature is 175 DEG C.
The preparation method of a kind of bamboo-plastic combined packing film the most according to claim 3, it is characterised in that: in described step (7), material pipe temperature is 190-200 DEG C, and injection pressure is 25MPa, and the dwell time is 7 seconds.
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| CN106349631A (en) * | 2016-11-03 | 2017-01-25 | 金福英 | Anti-flaming degradable nanometer packaging material and preparation method thereof |
| CN108485160A (en) * | 2018-03-26 | 2018-09-04 | 无锡盛雅生物科技有限公司佛山分公司 | A kind of preparation method of environment-friendly type bamboo-plastic composite material |
| CN111438835A (en) * | 2020-04-01 | 2020-07-24 | 苏州新华美塑料有限公司 | Composite environment-friendly plastic particle and preparation method thereof |
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| CN106349631A (en) * | 2016-11-03 | 2017-01-25 | 金福英 | Anti-flaming degradable nanometer packaging material and preparation method thereof |
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| CN111438835A (en) * | 2020-04-01 | 2020-07-24 | 苏州新华美塑料有限公司 | Composite environment-friendly plastic particle and preparation method thereof |
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