CN109880306A - It is a kind of can blown film, the biodegradable plastic that can be molded and its manufacturing method - Google Patents
It is a kind of can blown film, the biodegradable plastic that can be molded and its manufacturing method Download PDFInfo
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- CN109880306A CN109880306A CN201910046177.8A CN201910046177A CN109880306A CN 109880306 A CN109880306 A CN 109880306A CN 201910046177 A CN201910046177 A CN 201910046177A CN 109880306 A CN109880306 A CN 109880306A
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- molded
- blown film
- biodegradable plastic
- biodegradable
- starch
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Abstract
The invention discloses it is a kind of can blown film, the biodegradable plastic that can be molded and its manufacturing method, it is configured by the raw material of following weight degree: polylactic acid 10-30%, starch 10-30%, Biodegradable polyester 40-60%, plasticizer 0.1-0.5%, filler 1-5%, compatilizer 0.5-2.5%.Biodegradable plastic degradation property provided by the invention is excellent, can be degradable, non-toxic, no pollution to the environment, will not soil texture generate destruction；Simple production process of the invention, various raw materials are mixed using one-step method, it is granulated by double screw extruder, made plastics can be processed into film or by injection molding at plastic products by film blowing device, easy processing, and it is suitble to secondary hot-working, the leftover pieces in article manufacturing process can be reused directly, and product fraction defective is effectively reduced.
Description
Technical field
The present invention relates to packaging materials, and in particular to it is a kind of can blown film, the biodegradable plastic that can be molded and its manufacturer
Method.
Background technique
Plastics disappear due to unique property, being not easy to degrade automatically in natural environment after use is thrown aside, on
A century will not degrade, and cause visual pollution and destroy the ecological balance.With science and technology and social development requirement, people study and open
, there is the concept of " degradative plastics " in the use for sending out novel thermoplastic degradation material substitution conventional plastic." degradative plastics " both
There is the requirement of environmental protection, and has unlimited business opportunity.The scientific research personnel such as national governments, scientific research institution, enterprise and civil society do not lose remaining
Invest research and development and production to power.By the effort over more than 20 years, plastic applications increase new member, that is, biological plastics.
The present inventor based on the above background under, the producer of a variety of degradable biological plastic materials was proposed by research and development
Method, the present invention are namely based on the basis of previous scheme, through improvement it is proposed it is a kind of can blown film, the biodegrade that can be molded
Plastics and preparation method thereof.
Summary of the invention
In consideration of it, the present invention provide it is a kind of new can blown film, the biodegradable plastic that can be molded, can be degradable, can lead to
It crosses film blowing device and is processed into film or by injection molding at plastic products.
The technical scheme of the present invention is realized as follows:
It is a kind of can blown film, the biodegradable plastic that can be molded, configured by the raw material of following weight degree: poly-
Lactic acid 10-30%, starch 10-30%, Biodegradable polyester 40-60%, plasticizer 0.1-0.5%, filler 1-5%, compatilizer
0.5-2.5%.
More preferably, the starch is cornstarch and/or dedicated modified starch.
More preferably, the Biodegradable polyester are as follows: poly butylene succinate, poly-succinic-adipic acid-butanediol copolymerization
Object, poly terephthalic acid-adipic acid-butanediol copolymer, polycaprolactone, one in polyhydroxybutyrate-hydroxypentanoic acid copolyesters
Kind or several mixtures.
More preferably, the plasticizer be glycerol, sorbierite, tributyl citrate one or more of mixtures.
More preferably, the filler is calcium carbonate and/or talcum powder.
More preferably, the compatilizer is ethylene-methacrylic acid copolymer, ethylene-acrylic acid copolymer, ethyl vinyl acetate
One or more of mixtures of vinyl ester copolymers.
More preferably, can blown film, the biodegradable plastic that can be molded manufacturing method, comprising the following steps:
(1) polylactic acid, starch, Biodegradable polyester, plasticizer, filler, compatilizer are weighed according to above-mentioned weight percent
It is added in blender, stirs evenly；
(2) above-mentioned uniformly mixed raw material is put into pelletizer to pelletizing after being kneaded, melted, being squeezed out, cool down, is made
Biodegradable plastic.
More preferably, using the melting billot that water-cooling pattern is cooling extruded in the pelletizer, processing temperature is 150 DEG C -180
DEG C, screw speed 130-170rpm.Ultimogenitary biodegradable plastics particle size are as follows: granularity isIt is long
Degree is the cylindrical particle of 3-4mm.
Compared with prior art, the beneficial effects of the present invention are:
1, biodegradable plastic degradation property of the invention it is excellent, can be degradable, non-toxic, no pollution to the environment, no
It can soil texture generation destruction；The present invention is discarded in the Nature or heap is embedded in rubbish, can within 90 to 180 days time quilt
Carbon dioxide and water etc. are resolved into completely, are the beneficial packaging materials of a kind of fully biodegradable, the growth to crops；
2, the present invention is able to solve the problem of replacing petroleum resource consumption.The biodegradable material is complete biological material
Material, can effectively substitute petroleum resources；Meanwhile the product of the invention generated carbon emission in life cycle is only common
1% or so of petrochemical industry plastics；
3, production method simple process of the invention mixes various raw materials using one-step method, passes through double screw extruder
It is granulated, made plastics can be processed into film by film blowing device or can be by injection molding at plastic products；
4, cost is relatively low by the present invention, easy processing, and is suitble to secondary hot-working, and the leftover pieces in article manufacturing process can be straight
Reuse is connect, product fraction defective is effectively reduced；
5, the film that material of the present invention is produced is suitble to water-based ink printing, more conducively environmentally friendly.
Specific embodiment
In order to be best understood from the technology of the present invention content, specific embodiment is provided below, the present invention is described further.
Embodiment 1
It is of the invention it is a kind of can blown film, the biodegradable plastic that can be molded, matched by the raw material of following weight degree
It sets: polylactic acid 10%, starch 10%, Biodegradable polyester 40%, plasticizer 0.1%, filler 1%, compatilizer 0.5%；
The starch is cornstarch；The Biodegradable polyester is poly butylene succinate；The plasticizer is glycerol；It is described to fill out
Material is calcium carbonate；The compatilizer is ethylene-acrylic acid copolymer.
The manufacturing method of above-mentioned biodegradable plastic is as follows:
(1) above-mentioned weighed polylactic acid, starch, Biodegradable polyester, plasticizer, filler, compatilizer are added to stirring
In machine, stir evenly；
(2) above-mentioned uniformly mixed raw material is put into pelletizer to pelletizing after being kneaded, melted, being squeezed out, cool down, is made
Biodegradable plastic.
The melting billot cooling extruded using water-cooling pattern, processing temperature are 150 DEG C in grain machine, and screw speed is
130rpm.Ultimogenitary biodegradable plastics particle size are as follows: granularity isLength is 3-4mm, cylindrical
Particle.
Embodiment 2
It is of the invention it is a kind of can blown film, the biodegradable plastic that can be molded, matched by the raw material of following weight degree
It sets: polylactic acid 30%, starch 30%, Biodegradable polyester 60%, plasticizer 0.5%, filler 5%, compatilizer 2.5%；
The starch is dedicated modified starch；The Biodegradable polyester is poly terephthalic acid-adipic acid-butanediol copolymer and gathers
The mixing of caprolactone；The plasticizer is sorbierite；The filler is talcum powder；The compatilizer is ethylene-methyl methacrylate
The mixing of copolymer and ethylene-vinyl acetate copolymer.
The manufacturing method of above-mentioned biodegradable plastic is as follows:
(1) above-mentioned weighed polylactic acid, starch, Biodegradable polyester, plasticizer, filler, compatilizer are added to stirring
In machine, stir evenly；
(2) above-mentioned uniformly mixed raw material is put into pelletizer to pelletizing after being kneaded, melted, being squeezed out, cool down, is made
Biodegradable plastic.
The melting billot cooling extruded using water-cooling pattern, processing temperature are 180 DEG C in grain machine, and screw speed is
170rpm.Ultimogenitary biodegradable plastics particle size are as follows: granularity isLength is 3-4mm, cylindrical
Particle.
Embodiment 3
It is of the invention it is a kind of can blown film, the biodegradable plastic that can be molded, matched by the raw material of following weight degree
It sets: polylactic acid 20%, starch 20%, Biodegradable polyester 50%, plasticizer 0.3%, filler 3%, compatilizer 1.5%；
The starch is cornstarch；The Biodegradable polyester is poly-succinic-adipic acid-butanediol copolymer；The plasticizer
For glycerol；The filler is talcum powder；The compatilizer is ethylene-methacrylic acid copolymer.
The manufacturing method of above-mentioned biodegradable plastic is as follows:
(1) above-mentioned weighed polylactic acid, starch, Biodegradable polyester, plasticizer, filler, compatilizer are added to stirring
In machine, stir evenly；
(2) above-mentioned uniformly mixed raw material is put into pelletizer to pelletizing after being kneaded, melted, being squeezed out, cool down, is made
Biodegradable plastic.
The melting billot cooling extruded using water-cooling pattern, processing temperature are 165 DEG C in grain machine, and screw speed is
150rpm.Ultimogenitary biodegradable plastics particle size are as follows: granularity isLength is the cylinder of 3-4mm
Particle.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. one kind can blown film, the biodegradable plastic that can be molded, it is characterised in that: matched by the raw material of following weight degree
It sets: polylactic acid 10-30%, starch 10-30%, Biodegradable polyester 40-60%, plasticizer 0.1-0.5%, filler 1-
5%, compatilizer 0.5-2.5%.
2. one kind as described in claim 1 can blown film, the biodegradable plastic that can be molded, it is characterised in that: the starch is
Cornstarch and/or dedicated modified starch.
3. one kind as claimed in claim 1 or 2 can blown film, the biodegradable plastic that can be molded, it is characterised in that: the biology
Degradation polyester are as follows: poly butylene succinate, poly-succinic-adipic acid-butanediol copolymer, poly terephthalic acid-adipic acid-
One of butanediol copolymer, polycaprolactone, polyhydroxybutyrate-hydroxypentanoic acid copolyesters or a variety of mixtures.
4. one kind as claimed in claim 3 can blown film, the biodegradable plastic that can be molded, it is characterised in that: the plasticizer
For glycerol, sorbierite, tributyl citrate one or more mixtures.
5. a kind of as described in claim 1,2 or 4 can blown film, the biodegradable plastic that can be molded, it is characterised in that: described
Filler is calcium carbonate and/or talcum powder.
6. one kind as claimed in claim 5 can blown film, the biodegradable plastic that can be molded, it is characterised in that: the compatilizer
For ethylene-methacrylic acid copolymer, ethylene-acrylic acid copolymer, ethylene-vinyl acetate copolymer it is one or more
Mixture.
7. one kind as described in claim 1 can blown film, the biodegradable plastic that can be molded manufacturing method, which is characterized in that
The following steps are included:
(1) polylactic acid, starch, Biodegradable polyester, plasticizer, filler, compatilizer is weighed according to above-mentioned weight percent to be added
Into blender, stir evenly；
(2) above-mentioned uniformly mixed raw material is put into pelletizer to pelletizing after being kneaded, melted, being squeezed out, cool down, biology is made
Degradative plastics.
8. one kind as claimed in claim 7 can blown film, the biodegradable plastic that can be molded manufacturing method, it is characterised in that:
Using the melting billot that water-cooling pattern is cooling extruded in the pelletizer, processing temperature is 150 DEG C -180 DEG C, and screw speed is
130-170rpm；The biodegradable plastics particle size finally produced are as follows: granularity isLength is 3-4mm's
Cylindrical particle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910046177.8A CN109880306A (en) | 2019-01-18 | 2019-01-18 | It is a kind of can blown film, the biodegradable plastic that can be molded and its manufacturing method |
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| CN201910046177.8A CN109880306A (en) | 2019-01-18 | 2019-01-18 | It is a kind of can blown film, the biodegradable plastic that can be molded and its manufacturing method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111218035A (en) * | 2020-01-17 | 2020-06-02 | 浙江欧力雅生物科技有限公司 | Preparation method of full-biodegradable environment-friendly bag |
| CN112574541A (en) * | 2020-11-18 | 2021-03-30 | 安徽京安润生物科技有限责任公司 | Biodegradable material and biodegradable pipe, and preparation method and application thereof |
| CN112724472A (en) * | 2020-12-29 | 2021-04-30 | 武汉华丽环保科技有限公司 | Full-biodegradable film blowing material with high starch content and preparation method thereof |
| CN113787699A (en) * | 2021-09-14 | 2021-12-14 | 保和实业(重庆)有限公司 | Blown film grade full-biodegradable plastic |
| CN113930056A (en) * | 2021-01-30 | 2022-01-14 | 太仓协乐高分子材料有限公司 | Degradable plastic and preparation method thereof |
| CN114058192A (en) * | 2021-10-28 | 2022-02-18 | 安徽鑫顺新材料股份有限公司 | Degradable environment-friendly plastic bag based on waste recycling and processing method thereof |
| CN114539746A (en) * | 2021-12-31 | 2022-05-27 | 励塑新材料科技(嘉兴)有限公司 | Novel full-degradable injection-moldable plastic and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060155012A1 (en) * | 2004-12-13 | 2006-07-13 | Riebel Michael J | Biopolymer including prolamin and methods of making it |
| CN107201007A (en) * | 2016-03-16 | 2017-09-26 | 海南海塑生物材料科技有限公司 | A kind of preparation method of biodegradable resin and products thereof |
| CN107778793A (en) * | 2017-10-27 | 2018-03-09 | 中山明峰生物塑料有限公司 | One kind can blown film compost resin and preparation method thereof |
-
2019
- 2019-01-18 CN CN201910046177.8A patent/CN109880306A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060155012A1 (en) * | 2004-12-13 | 2006-07-13 | Riebel Michael J | Biopolymer including prolamin and methods of making it |
| CN107201007A (en) * | 2016-03-16 | 2017-09-26 | 海南海塑生物材料科技有限公司 | A kind of preparation method of biodegradable resin and products thereof |
| CN107778793A (en) * | 2017-10-27 | 2018-03-09 | 中山明峰生物塑料有限公司 | One kind can blown film compost resin and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111218035A (en) * | 2020-01-17 | 2020-06-02 | 浙江欧力雅生物科技有限公司 | Preparation method of full-biodegradable environment-friendly bag |
| CN112574541A (en) * | 2020-11-18 | 2021-03-30 | 安徽京安润生物科技有限责任公司 | Biodegradable material and biodegradable pipe, and preparation method and application thereof |
| CN112724472A (en) * | 2020-12-29 | 2021-04-30 | 武汉华丽环保科技有限公司 | Full-biodegradable film blowing material with high starch content and preparation method thereof |
| CN113930056A (en) * | 2021-01-30 | 2022-01-14 | 太仓协乐高分子材料有限公司 | Degradable plastic and preparation method thereof |
| CN113787699A (en) * | 2021-09-14 | 2021-12-14 | 保和实业(重庆)有限公司 | Blown film grade full-biodegradable plastic |
| CN114058192A (en) * | 2021-10-28 | 2022-02-18 | 安徽鑫顺新材料股份有限公司 | Degradable environment-friendly plastic bag based on waste recycling and processing method thereof |
| CN114539746A (en) * | 2021-12-31 | 2022-05-27 | 励塑新材料科技(嘉兴)有限公司 | Novel full-degradable injection-moldable plastic and preparation method thereof |
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Application publication date: 20190614 |