CN108003448A - A kind of degradation plastic packaging bag and preparation method thereof - Google Patents

A kind of degradation plastic packaging bag and preparation method thereof Download PDF

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Publication number
CN108003448A
CN108003448A CN201711416632.6A CN201711416632A CN108003448A CN 108003448 A CN108003448 A CN 108003448A CN 201711416632 A CN201711416632 A CN 201711416632A CN 108003448 A CN108003448 A CN 108003448A
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parts
added
degradation
packaging bag
plastic packaging
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姚启明
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Anhui Province Linquan County Wanlong Plastic Packaging Co Ltd
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Anhui Province Linquan County Wanlong Plastic Packaging Co Ltd
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Priority to CN201711416632.6A priority Critical patent/CN108003448A/en
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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
    • 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
    • C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2401/02—Cellulose; Modified cellulose
    • 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
    • C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
    • 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
    • C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
    • C08J2405/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
    • 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
    • C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • 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
    • C08J2429/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
    • C08J2429/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • 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
    • C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids

Abstract

The invention discloses a kind of degradation plastic packaging bag, it is made of following raw material：20 30 parts of linear low density polyethylene resin, 10 20 parts of 3 hydroxybutyric acid, 3 hydroxyl pentanoate copolymer, 10 20 parts of polyvinyl alcohol, 10 15 parts of starch, 58 parts of polycaprolactone, 58 parts of cotton fibriia, 58 parts of chitosan, 20 40 parts of diatomite, 2 10 parts of Paris white, 15 parts of tributyl 2-acetylcitrate, 13 parts of polybutadiene rubber, 36 parts of degradation of promoter；The invention also discloses the preparation method of the plastic packaging bag, including prepare blend composition, melting extrusion granulation, hot-melt extruded Blown Film, bag making, cutting, heat-sealing, printing and etc..The raw material that the present invention uses is environment-protecting and non-poisonous harmless, and has good degradation effect, can reduce the influence to surrounding environment；The preparation method of the present invention is simple and convenient, with good economic efficiency to the of less demanding of mechanical equipment, low manufacture cost.

Description

A kind of degradation plastic packaging bag and preparation method thereof
Technical field
The invention belongs to plastic packaging bag preparing technical field, and in particular, to a kind of degradation plastic packaging bag and its Preparation method.
Background technology
Plastic shopping bag is the necessity in daily life, it is well known that present consumer and market have all been formed to modeling Expect the hard requirement of packaging bag consumption, and this consumption has become a kind of custom, and plastic packaging bag has incorporated everybody life In work.
Plastic packaging bag is the high-molecular compound that is formed by addition polymerization or polycondensation polymerized using monomer as raw material, it Generally it is made by the additive such as synthetic resin and filler, plasticizer, stabilizer, lubricant, colorant.In the daily life of people In work, the application of plastic packaging bag is very extensive, but " white pollution " that waste plastic is brought is also increasingly severe.With people Environmental consciousness enhancing, how to alleviate the topic that white pollution has been people's growing interest.Degradative plastics packaging bag is near Emerging a kind of plastic products over year, its properties can meet requirement and with storage life performance it is constant Characteristic, and the material of environmental sound can be degraded under natural environmental condition after.
At present, although occurring various degradative plastics packaging bags on the market, experiment shows：Most of degradeds Plastic packaging bag starts thinning, weightless, intensity and declines after generally exposing 3 months in the environment, gradual splinter, if these Fragment is embedded in rubbish or soil, then degradation effect unobvious.In addition, some adding ingredients in degradative plastics can change modeling The increase of some characteristics of material, such as breathable moisture permeability, tensile strength are deteriorated, and are unfavorable for the popularization of degradative plastics packaging bag with answering With.
The content of the invention
For the deficiencies in the prior art in above-mentioned background technology, the present invention provides a kind of degradation plastic packaging bag and its Preparation method.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of degradation plastic packaging bag, is made of following raw material：Linear low density polyethylene resin 20-30 Part, 10-20 parts of 3-hydroxybutyrate -3- hydroxyl pentanoate copolymers, 10-20 parts of polyvinyl alcohol, 10-15 parts of starch, polycaprolactone 5-8 Part, 5-8 parts of cotton fibriia, 5-8 parts of chitosan, 20-40 parts of diatomite, 2-10 parts of Paris white, tributyl 2-acetylcitrate 1-5 Part, 1-3 parts of polybutadiene rubber, 3-6 parts of degradation of promoter；
The degradation plastic packaging bag is prepared by following steps：
(1) high mixer heating-up temperature is adjusted to 115-125 DEG C, rotating speed 450r/min, starch, cotton fibriia, shell are gathered Sugar, diatomite, Paris white are added in high mixer, operate 10-15min；
(2) high mixer heating-up temperature is risen to 135-140 DEG C, rotating speed is adjusted to 500r/min, adds linear low density polyethylene Olefine resin, 3-hydroxybutyrate -3- hydroxyl pentanoate copolymers, polyvinyl alcohol, polycaprolactone, are mixed 20-30min, then second Acyl tributyl citrate, polybutadiene rubber, degradation of promoter are added thereto, and stir 15-20min, are closed high mixer, are cooled to 40-60 DEG C, obtain blend composition；
(3) blend composition is added into double screw extruder, is 160-170 DEG C, screw speed 300-500r/min bars in temperature Melting extrusion is granulated under part, and master batch is made；
(4) master batch is added in Single screw extrusion inflation film manufacturing machine, blown film temperature is 145-170 DEG C, carries out hot-melt extruded blowing Film forming, cooling, flanging, obtains material membrane；
(5) material membrane is added into Bag Making Machine, bag making, cutting, heat-sealing, printing, obtain degradation plastic packaging bag.
The starch is cornstarch, the one or more in soybean starch, starch from sweet potato, farina.
The degradation of promoter is by N- lauroyl glutamates, zinc dibenzyl dithiocarbamate, stearyl ethoxy Imidazoline is 1 according to mass ratio:0.6-1:0.9-1.5 is mixed.
A kind of preparation method of degradation plastic packaging bag, includes the following steps：
(1) high mixer heating-up temperature is adjusted to 115-125 DEG C, rotating speed 450r/min, starch, cotton fibriia, shell are gathered Sugar, diatomite, Paris white are added in high mixer, operate 10-15min；
(2) high mixer heating-up temperature is risen to 135-140 DEG C, rotating speed is adjusted to 500r/min, adds linear low density polyethylene Olefine resin, 3-hydroxybutyrate -3- hydroxyl pentanoate copolymers, polyvinyl alcohol, polycaprolactone, are mixed 20-30min, then second Acyl tributyl citrate, polybutadiene rubber, degradation of promoter are added thereto, and stir 15-20min, are closed high mixer, are cooled to 40-60 DEG C, obtain blend composition；
(3) blend composition is added into double screw extruder, is 160-170 DEG C, screw speed 300-500r/min bars in temperature Melting extrusion is granulated under part, and master batch is made；
(4) master batch is added in Single screw extrusion inflation film manufacturing machine, blown film temperature is 145-170 DEG C, carries out hot-melt extruded blowing Film forming, cooling, flanging, obtains material membrane；
(5) material membrane is added into Bag Making Machine, bag making, cutting, heat-sealing, printing, obtain degradation plastic packaging bag.
Beneficial effects of the present invention：
The present invention using linear low density polyethylene, 3-hydroxybutyrate -3- hydroxyl pentanoate copolymers, polyvinyl alcohol, gather oneself Lactone is raw material, and 5 with the starch of scientific matching, chitosan, diatomite, Paris white, and raw material is environment-protecting and non-poisonous harmless, and has There is good degradation effect, the influence to surrounding environment can be reduced；Meanwhile the present invention with the addition of suitable acetyl in the feed Tributyl citrate, polybutadiene rubber, can ensure plastic packaging bag enough intensity and toughness；In the raw material of the present invention also Comprising degradation of promoter, its add can reinforced polymeric article acceleration is presented in the presence of light and/or heat and/or moisture Degradability；The preparation method of the present invention is simple and convenient, to the of less demanding of mechanical equipment, low manufacture cost, has good warp Ji benefit.
Embodiment
Technical scheme is clearly and completely described below in conjunction with embodiment, it is clear that described reality It is only part of the embodiment of the present invention to apply example, instead of all the embodiments.Based on the embodiments of the present invention, this area is general All other embodiment that logical technical staff is obtained without creative efforts, belongs to what the present invention protected Scope.
A kind of degradation plastic packaging bag, is made of following raw material：Linear low density polyethylene resin 20-30 Part, 10-20 parts of 3-hydroxybutyrate -3- hydroxyl pentanoate copolymers, 10-20 parts of polyvinyl alcohol, 10-15 parts of starch, polycaprolactone 5-8 Part, 5-8 parts of cotton fibriia, 5-8 parts of chitosan, 20-40 parts of diatomite, 2-10 parts of Paris white, tributyl 2-acetylcitrate 1-5 Part, 1-3 parts of polybutadiene rubber, 3-6 parts of degradation of promoter；
Starch is cornstarch, the one or more in soybean starch, starch from sweet potato, farina；Starch is a kind of Renewable, degradable environment friendly material, raw material sources are extensive；
Degradation of promoter is by N- lauroyl glutamates, zinc dibenzyl dithiocarbamate, stearyl hydroxyethyl imidazole Quinoline is 1 according to mass ratio:0.6-1:0.9-1.5 is mixed；The degradation of promoter can make polymer product in light and/or heat And/or the degradability of acceleration is presented in the presence of moisture；
A kind of preparation method of degradation plastic packaging bag, includes the following steps：
(1) high mixer heating-up temperature is adjusted to 115-125 DEG C, rotating speed 450r/min, starch, cotton fibriia, shell are gathered Sugar, diatomite, Paris white are added in high mixer, operate 10-15min；
(2) high mixer heating-up temperature is risen to 135-140 DEG C, rotating speed is adjusted to 500r/min, adds linear low density polyethylene Olefine resin, 3-hydroxybutyrate -3- hydroxyl pentanoate copolymers, polyvinyl alcohol, polycaprolactone, are mixed 20-30min, then second Acyl tributyl citrate, polybutadiene rubber, degradation of promoter are added thereto, and stir 15-20min, are closed high mixer, are cooled to 40-60 DEG C, obtain blend composition；
(3) blend composition is added into double screw extruder, is 160-170 DEG C, screw speed 300-500r/min bars in temperature Melting extrusion is granulated under part, and master batch is made；
(4) master batch is added in Single screw extrusion inflation film manufacturing machine, blown film temperature is 145-170 DEG C, carries out hot-melt extruded blowing Film forming, cooling, flanging, obtains material membrane；
(5) material membrane is added into Bag Making Machine, bag making, cutting, heat-sealing, printing, obtain degradation plastic packaging bag.
Embodiment 1
A kind of degradation plastic packaging bag, its preparation method are as follows：
(1) high mixer heating-up temperature is adjusted to 115 DEG C, rotating speed 450r/min, by 10 parts of cornstarch, cotton fibriia 5 Part, 5 parts of chitosan, 20 parts of diatomite, 2 parts of Paris white are added in high mixer, operate 10min；
(2) high mixer heating-up temperature is risen to 135 DEG C, rotating speed is adjusted to 500r/min, adds linear low density polyethylene tree 20 parts of fat, 10 parts of 3-hydroxybutyrate -3- hydroxyl pentanoate copolymers, 10 parts of polyvinyl alcohol, 5 parts of polycaprolactone, are mixed 20min, then 1 part of tributyl 2-acetylcitrate, 1 part of polybutadiene rubber, 3 parts of degradation of promoter are added thereto, stir 15min, closes high mixer, is cooled to 40 DEG C, obtains blend composition；
(3) blend composition is added into double screw extruder, is 160 DEG C, is melted under the conditions of screw speed 300r/min in temperature Extruding pelletization, is made master batch；
(4) master batch being added in Single screw extrusion inflation film manufacturing machine, blown film temperature is 145 DEG C, carries out hot-melt extruded Blown Film, Cooling, flanging, obtain material membrane；
(5) material membrane is added into Bag Making Machine, bag making, cutting, heat-sealing, printing, obtain degradation plastic packaging bag.
Embodiment 2
A kind of degradation plastic packaging bag, its preparation method are as follows：
(1) high mixer heating-up temperature is adjusted to 120 DEG C, rotating speed 450r/min, by 12 parts of soybean starch, cotton fibriia 7 Part, 6 parts of chitosan, 30 parts of diatomite, 6 parts of Paris white are added in high mixer, operate 12min；
(2) high mixer heating-up temperature is risen to 138 DEG C, rotating speed is adjusted to 500r/min, adds linear low density polyethylene tree 25 parts of fat, 15 parts of 3-hydroxybutyrate -3- hydroxyl pentanoate copolymers, 15 parts of polyvinyl alcohol, 6 parts of polycaprolactone, are mixed 25min, then 3 parts of tributyl 2-acetylcitrate, 2 parts of polybutadiene rubber, 5 parts of degradation of promoter are added thereto, stir 18min, closes high mixer, is cooled to 50 DEG C, obtains blend composition；
(3) blend composition is added into double screw extruder, is 165 DEG C, is melted under the conditions of screw speed 400r/min in temperature Extruding pelletization, is made master batch；
(4) master batch being added in Single screw extrusion inflation film manufacturing machine, blown film temperature is 155 DEG C, carries out hot-melt extruded Blown Film, Cooling, flanging, obtain material membrane；
(5) material membrane is added into Bag Making Machine, bag making, cutting, heat-sealing, printing, obtain degradation plastic packaging bag.
Embodiment 3
A kind of degradation plastic packaging bag, its preparation method are as follows：
(1) high mixer heating-up temperature is adjusted to 125 DEG C, rotating speed 450r/min, by 15 parts of starch from sweet potato, cotton fibriia 8 Part, 8 parts of chitosan, 40 parts of diatomite, 10 parts of Paris white are added in high mixer, operate 15min；
(2) high mixer heating-up temperature is risen to 140 DEG C, rotating speed is adjusted to 500r/min, adds linear low density polyethylene tree 30 parts of fat, 20 parts of 3-hydroxybutyrate -3- hydroxyl pentanoate copolymers, 20 parts of polyvinyl alcohol, 8 parts of polycaprolactone, are mixed 30min, then 5 parts of tributyl 2-acetylcitrate, 3 parts of polybutadiene rubber, 6 parts of degradation of promoter are added thereto, stir 20min, closes high mixer, is cooled to 60 DEG C, obtains blend composition；
(3) blend composition is added into double screw extruder, is 170 DEG C, is melted under the conditions of screw speed 500r/min in temperature Extruding pelletization, is made master batch；
(4) master batch being added in Single screw extrusion inflation film manufacturing machine, blown film temperature is 170 DEG C, carries out hot-melt extruded Blown Film, Cooling, flanging, obtain material membrane；
(5) material membrane is added into Bag Making Machine, bag making, cutting, heat-sealing, printing, obtain degradation plastic packaging bag.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification, It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably explain the present invention Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only Limited by claims and its four corner and equivalent.

Claims (4)

1. a kind of degradation plastic packaging bag, it is characterised in that be made of following raw material：Linear low density polyethylene tree 20-30 parts of fat, 10-20 parts of 3-hydroxybutyrate -3- hydroxyl pentanoate copolymers, 10-20 parts of polyvinyl alcohol, 10-15 parts of starch, gather oneself 5-8 parts of lactone, 5-8 parts of cotton fibriia, 5-8 parts of chitosan, 20-40 parts of diatomite, 2-10 parts of Paris white, acetyl tributyl citrate three 1-5 parts of butyl ester, 1-3 parts of polybutadiene rubber, 3-6 parts of degradation of promoter；
The degradation plastic packaging bag is prepared by following steps：
(1) high mixer heating-up temperature is adjusted to 115-125 DEG C, rotating speed 450r/min, by starch, cotton fibriia, chitosan, silicon Diatomaceous earth, Paris white are added in high mixer, operate 10-15min；
(2) high mixer heating-up temperature is risen to 135-140 DEG C, rotating speed is adjusted to 500r/min, adds linear low density polyethylene tree Fat, 3-hydroxybutyrate -3- hydroxyl pentanoate copolymers, polyvinyl alcohol, polycaprolactone, are mixed 20-30min, then acetyl lemon Lemon acid tributyl, polybutadiene rubber, degradation of promoter are added thereto, and stir 15-20min, are closed high mixer, are cooled to 40- 60 DEG C, obtain blend composition；
(3) blend composition is added into double screw extruder, is 160-170 DEG C, under the conditions of screw speed 300-500r/min in temperature Melting extrusion is granulated, and master batch is made；
(4) master batch being added in Single screw extrusion inflation film manufacturing machine, blown film temperature is 145-170 DEG C, carries out hot-melt extruded Blown Film, Cooling, flanging, obtain material membrane；
(5) material membrane is added into Bag Making Machine, bag making, cutting, heat-sealing, printing, obtain degradation plastic packaging bag.
A kind of 2. degradation plastic packaging bag according to claim 1, it is characterised in that the starch for cornstarch, One or more in soybean starch, starch from sweet potato, farina.
3. a kind of degradation plastic packaging bag according to claim 1, it is characterised in that the degradation of promoter is by the N- months Osmanthus acyl glutamic acid, zinc dibenzyl dithiocarbamate, imidazoline-based stearyl hydroxyethyl are 1 according to mass ratio:0.6-1: 0.9-1.5 is mixed.
4. the preparation method of a kind of degradation plastic packaging bag according to claim 1, it is characterised in that including following step Suddenly：
(1) high mixer heating-up temperature is adjusted to 115-125 DEG C, rotating speed 450r/min, by starch, cotton fibriia, chitosan, silicon Diatomaceous earth, Paris white are added in high mixer, operate 10-15min；
(2) high mixer heating-up temperature is risen to 135-140 DEG C, rotating speed is adjusted to 500r/min, adds linear low density polyethylene tree Fat, 3-hydroxybutyrate -3- hydroxyl pentanoate copolymers, polyvinyl alcohol, polycaprolactone, are mixed 20-30min, then acetyl lemon Lemon acid tributyl, polybutadiene rubber, degradation of promoter are added thereto, and stir 15-20min, are closed high mixer, are cooled to 40- 60 DEG C, obtain blend composition；
(3) blend composition is added into double screw extruder, is 160-170 DEG C, under the conditions of screw speed 300-500r/min in temperature Melting extrusion is granulated, and master batch is made；
(4) master batch being added in Single screw extrusion inflation film manufacturing machine, blown film temperature is 145-170 DEG C, carries out hot-melt extruded Blown Film, Cooling, flanging, obtain material membrane；
(5) material membrane is added into Bag Making Machine, bag making, cutting, heat-sealing, printing, obtain degradation plastic packaging bag.
CN201711416632.6A 2017-12-25 2017-12-25 A kind of degradation plastic packaging bag and preparation method thereof Pending CN108003448A (en)

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Cited By (10)

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CN109096709A (en) * 2018-08-30 2018-12-28 兰州鑫银环橡塑制品有限公司 A kind of complete biodegradable shopping bag and preparation method thereof
CN109206868A (en) * 2018-08-29 2019-01-15 桐城市强峰包装有限公司 A kind of Plastics and preparation method thereof
CN110229404A (en) * 2019-06-19 2019-09-13 蔡明� A kind of preparation method of degradable beam mouth refuse bag
CN110305383A (en) * 2019-06-25 2019-10-08 江南大学 A kind of preparation and its application of protective fungicide packaging bag
CN110591195A (en) * 2019-07-31 2019-12-20 安徽诺普康医疗器械有限公司 Environment-friendly degradable disposable diaper bag and preparation method thereof
CN111635564A (en) * 2020-05-28 2020-09-08 佛山市爱地球环保新材料科技有限公司 Novel material capable of being dissolved after damp-heat sterilization for protective clothing and preparation method
CN111944226A (en) * 2020-09-04 2020-11-17 苏州高松美姿自动化科技有限公司 Photodegradable plastic packaging bag environment-friendly material and preparation method thereof
CN113897037A (en) * 2021-11-25 2022-01-07 周菊青 Heat-shrinkable heavy-packaging composite plastic film and preparation method thereof
CN114196145A (en) * 2021-12-22 2022-03-18 张运才 Degradable plastic packaging bag
CN114851631A (en) * 2022-04-22 2022-08-05 嘉兴华悦包装用品有限公司 Production process for blowing, printing and printing of shopping bag

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Application publication date: 20180508