CN106146970A - A kind of preparation method of photochemical catalyst degraded plastic packaging bag - Google Patents
A kind of preparation method of photochemical catalyst degraded plastic packaging bag Download PDFInfo
- Publication number
- CN106146970A CN106146970A CN201610484144.8A CN201610484144A CN106146970A CN 106146970 A CN106146970 A CN 106146970A CN 201610484144 A CN201610484144 A CN 201610484144A CN 106146970 A CN106146970 A CN 106146970A
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- packaging bag
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- photochemical catalyst
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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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
- C08L2205/03—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
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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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Abstract
The invention discloses the preparation method of a kind of photochemical catalyst degraded plastic packaging bag, cannot be in the problem of natural degradation under illumination condition for solving existing plastic packaging bag, this packaging bag is made up of following component in parts by weight: Low Density Polyethylene 45 50 parts, modified corn starch 30 45 parts, corn stalk fiber 10 15 parts, chitosan 23 parts, plasticizer 25 parts, toughener 12 parts, photosensitizer 13 parts, the present invention uses Low Density Polyethylene, modified corn starch and photosensitizer are as raw material, light degradation can be carried out, degradative plastics packaging bag degradability prepared by the present invention is good, tensile strength is high.
Description
Technical field
The present invention relates to a kind of plastic packaging bag, particularly relate to the preparation method of a kind of photochemical catalyst degraded plastic packaging bag.
Background technology
At present, plastic packaging bag become indispensable in daily life or requirement, be also easily-consumed products, will disappear every year
Consume substantial amounts of plastic packaging bag.Plastic packaging bag is with monomer as raw material, by addition polymerization or the high score of polycondensation polymerized
Sub-compound, is typically made by additives such as synthetic resin and filler, plasticizer, stabilizer, lubricant, colorants.People
Daily life in, the application of plastic packaging bag widely, but " white pollution " that waste plastic brings is the most increasingly
Seriously.Along with the enhancing of people's environmental consciousness, how to alleviate the topic that white pollution has been people's growing interest.Degradative plastics bag
Pack is the most emerging a kind of plastic, and its properties all can meet use and requires and have in storage life
The characteristic that interior performance is constant, can be degraded into the material of environmental sound under natural environmental condition after using.
Summary of the invention
It is an object of the invention to provide the preparation method of a kind of photochemical catalyst degraded plastic packaging bag, use advantages of nontoxic raw materials without
Evil, and with the addition of photosensitizer, it is provided that a kind of under light action degradation effect substantially and keep the degradative plastics of plastic properties
The preparation method of packaging bag.
For achieving the above object, the present invention adopts the following technical scheme that
The preparation method of a kind of photochemical catalyst degraded plastic packaging bag, this packaging bag is made up of following component in parts by weight: low close
Degree polyethylene 45-50 part, modified corn starch 30-45 part, corn stalk fiber 10-15 part, chitosan 2-3 part, plasticizer 2-5
Part, toughener 1-2 part, photosensitizer 1-3 part；The preparation method of described degradative plastics packaging bag, is carried out in accordance with the following steps:
(1) 200 mesh corn starchs are carried out supersound process；Corn starch after processing mixes all for 1:2 in mass ratio with water
Even, add silane coupler, stir under the conditions of 50 ~ 70 DEG C；Stirring post-drying, to constant weight, obtains modified corn starch；
(2) following material is weighed by weight: modified corn starch 30-45 part that step (1) obtains, Low Density Polyethylene 45-
50 parts, corn stalk fiber 10-15 part, chitosan 2-3 part, plasticizer 2-5 part, toughener 1-2 part, photosensitizer 1-3 part adds
In high mixer, agitating heating is dehydrated, and is cooled to 40-50 degree；
(3) blend composition of 40-50 degree is added in inflation film manufacturing machine, heating, blow out material membrane, cooling, flanging；
(4) material membrane is added Bag Making Machine, obtain finished product degradative plastics packaging bag.
Further, described silane coupler is dimethyl siloxane；Described photosensitizer is nanometer titanium dioxide cobalt.
Owing to using technique scheme, there is advantages that
In the present invention, degradative plastics packaging bag selects Low Density Polyethylene, modified corn starch, photosensitizer to be raw material, degradable plastic
Material packaging bag i.e. starts thinning, weightless, intensity decline in the environment under light action, and the most gradually splinter, when these are broken
When sheet is embedded in rubbish or soil, degradation effect is clearly；It addition, the formula of the present invention with the addition of toughener and Semen Maydis
Stalk fibre, strengthens the hot strength of plastic packaging bag, the popularization of beneficially degradative plastics packaging bag and application.
Detailed description of the invention
Embodiment one
The preparation method of a kind of photochemical catalyst degraded plastic packaging bag, this packaging bag is made up of following component in parts by weight: low close
Degree polyethylene 45 parts, modified corn starch 35 parts, corn stalk fiber 12 parts, chitosan 2 parts, plasticizer 2 parts, toughener 2 parts,
Photosensitizer 2 parts；The preparation method of described degradative plastics packaging bag, is carried out in accordance with the following steps:
(1) 200 mesh corn starchs are carried out supersound process；Corn starch after processing mixes all for 1:2 in mass ratio with water
Even, add silane coupler, stir under the conditions of 60 DEG C；Stirring post-drying, to constant weight, obtains modified corn starch；
(2) following material is weighed by weight: the modified corn starch that step (1) obtains 35 parts, Low Density Polyethylene 45 parts,
Corn stalk fiber 12 parts, chitosan 2 parts, plasticizer 2 parts, toughener 2 parts, photosensitizer 2 parts adds in high mixer, by high mixer
Rotating speed be adjusted to 600 turns, heating-up temperature be adjusted to 150 degree and be dehydrated, stirring mixing 50 minutes, and be cooled to 40-50 degree；
(3) blend composition of 40-50 degree is added in inflation film manufacturing machine, be heated up to 200-220 degree, blow out material membrane, cooling, flanging；
(4) material membrane is added Bag Making Machine, obtain finished product degradative plastics packaging bag.
Further, described silane coupler is dimethyl siloxane；Described photosensitizer is nanometer titanium dioxide cobalt.
Embodiment two
The preparation method of a kind of photochemical catalyst degraded plastic packaging bag, this packaging bag is made up of following component in parts by weight: low close
Degree polyethylene 47 parts, modified corn starch 32 parts, corn stalk fiber 10 parts, chitosan 3 parts, plasticizer 4 parts, toughener 1 part,
Photosensitizer 3 parts；The preparation method of described degradative plastics packaging bag, is carried out in accordance with the following steps:
(1) 200 mesh corn starchs are carried out supersound process；Corn starch after processing mixes all for 1:2 in mass ratio with water
Even, add silane coupler, stir under the conditions of 60 DEG C；Stirring post-drying, to constant weight, obtains modified corn starch；
(2) following material is weighed by weight: the modified corn starch that step (1) obtains 32 parts, Low Density Polyethylene 47 parts,
Corn stalk fiber 10 parts, chitosan 3 parts, plasticizer 4 parts, toughener 1 part, photosensitizer 3 parts adds in high mixer, by high mixer
Rotating speed be adjusted to 600 turns, heating-up temperature be adjusted to 150 degree and be dehydrated, stirring mixing 50 minutes, and be cooled to 40-50 degree；
(3) blend composition of 40-50 degree is added in inflation film manufacturing machine, be heated up to 200-220 degree, blow out material membrane, cooling, flanging；
(4) material membrane is added Bag Making Machine, obtain finished product degradative plastics packaging bag.
Further, described silane coupler is dimethyl siloxane；Described photosensitizer is nanometer titanium dioxide cobalt.
Embodiment three
The preparation method of a kind of photochemical catalyst degraded plastic packaging bag, this packaging bag is made up of following component in parts by weight: low close
Degree polyethylene 50 parts, modified corn starch 30 parts, corn stalk fiber 11 parts, chitosan 2 parts, plasticizer 5 parts, toughener 1 part,
Photosensitizer 1 part；The preparation method of described degradative plastics packaging bag, is carried out in accordance with the following steps:
(1) 200 mesh corn starchs are carried out supersound process；Corn starch after processing mixes all for 1:2 in mass ratio with water
Even, add silane coupler, stir under the conditions of 60 DEG C；Stirring post-drying, to constant weight, obtains modified corn starch；
(2) following material is weighed by weight: the modified corn starch that step (1) obtains 30 parts, Low Density Polyethylene 50 parts,
Corn stalk fiber 11 parts, chitosan 2 parts, plasticizer 5 parts, toughener 1 part, photosensitizer 1 part adds in high mixer, by high mixer
Rotating speed be adjusted to 600 turns, heating-up temperature be adjusted to 150 degree and be dehydrated, stirring mixing 50 minutes, and be cooled to 40-50 degree；
(3) blend composition of 40-50 degree is added in inflation film manufacturing machine, be heated up to 200-220 degree, blow out material membrane, cooling, flanging；
(4) material membrane is added Bag Making Machine, obtain finished product degradative plastics packaging bag.
Further, described silane coupler is dimethyl siloxane；Described photosensitizer is nanometer titanium dioxide cobalt.
Claims (5)
1. a preparation method for photochemical catalyst degraded plastic packaging bag, this packaging bag is made up of following component in parts by weight: low
Density polyethylene 45-50 part, modified corn starch 30-45 part, corn stalk fiber 10-15 part, chitosan 2-3 part, plasticizer
2-5 part, toughener 1-2 part, photosensitizer 1-3 part；The preparation method of described photochemical catalyst degraded plastic packaging bag, in accordance with the following steps
Carry out:
(1) 200 mesh corn starchs are carried out supersound process；Corn starch after processing mixes all for 1:2 in mass ratio with water
Even, add silane coupler, stir under the conditions of 50 ~ 70 DEG C；Stirring post-drying, to constant weight, obtains modified corn starch；
(2) following material is weighed by weight: modified corn starch 30-45 part that step (1) obtains, Low Density Polyethylene 45-
50 parts, corn stalk fiber 10-15 part, chitosan 2-3 part, plasticizer 2-5 part, toughener 1-2 part, photosensitizer 1-3 part adds
In high mixer, agitating heating is dehydrated, and is cooled to 40-50 degree；
(3) blend composition of 40-50 degree is added in inflation film manufacturing machine, heating, blow out material membrane, cooling, flanging；
(4) material membrane is added Bag Making Machine, obtain finished product degradative plastics packaging bag.
The preparation method of a kind of photochemical catalyst degraded plastic packaging bag the most according to claim 1, it is characterised in that step
(1), in, described silane coupler is dimethyl siloxane.
The preparation method of a kind of photochemical catalyst degraded plastic packaging bag the most according to claim 1, it is characterised in that step
(2), in, described photosensitizer is nanometer titanium dioxide cobalt.
The preparation method of a kind of photochemical catalyst degraded plastic packaging bag the most according to claim 1, it is characterised in that step
(2), in, in described high mixer, agitating heating is dehydrated, be speed of agitator be 600 turns, heating-up temperature be 150 degree, stirring time
Between be 40-60 minute.
The preparation method of a kind of photochemical catalyst degraded plastic packaging bag the most according to claim 1, it is characterised in that step
(3), in, described heating-up temperature is 200-220 degree.
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| CN201610484144.8A CN106146970A (en) | 2016-06-28 | 2016-06-28 | A kind of preparation method of photochemical catalyst degraded plastic packaging bag |
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| CN201610484144.8A CN106146970A (en) | 2016-06-28 | 2016-06-28 | A kind of preparation method of photochemical catalyst degraded plastic packaging bag |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107418027A (en) * | 2017-06-12 | 2017-12-01 | 太仓雅奥塑业有限公司 | A kind of plastic packaging bag film |
| CN108359142A (en) * | 2018-02-08 | 2018-08-03 | 湖州科博信息科技有限公司 | A kind of starch base degradable plastic |
| CN109467782A (en) * | 2018-11-08 | 2019-03-15 | 安徽双平包装有限公司 | A kind of packaging bag high-strength polyolefin material and preparation method thereof |
| CN109705435A (en) * | 2019-01-09 | 2019-05-03 | 厦门金峰源包装工业有限公司 | Degradable packing bag and its processing technology |
| CN111533960A (en) * | 2020-06-08 | 2020-08-14 | 东莞职业技术学院 | Environment-friendly degradable plastic packaging bag |
| CN111660640A (en) * | 2020-06-22 | 2020-09-15 | 长沙银腾塑印包装有限公司 | Degradable packaging product |
| CN112724489A (en) * | 2020-12-26 | 2021-04-30 | 重庆柏纳伟晟新材料科技有限公司 | Degradable material and preparation method thereof |
| CN116987313A (en) * | 2023-07-31 | 2023-11-03 | 江苏劲松塑料科技有限公司 | Environment-friendly food packaging bag and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107418027A (en) * | 2017-06-12 | 2017-12-01 | 太仓雅奥塑业有限公司 | A kind of plastic packaging bag film |
| CN108359142A (en) * | 2018-02-08 | 2018-08-03 | 湖州科博信息科技有限公司 | A kind of starch base degradable plastic |
| CN109467782A (en) * | 2018-11-08 | 2019-03-15 | 安徽双平包装有限公司 | A kind of packaging bag high-strength polyolefin material and preparation method thereof |
| CN109705435A (en) * | 2019-01-09 | 2019-05-03 | 厦门金峰源包装工业有限公司 | Degradable packing bag and its processing technology |
| CN111533960A (en) * | 2020-06-08 | 2020-08-14 | 东莞职业技术学院 | Environment-friendly degradable plastic packaging bag |
| CN111660640A (en) * | 2020-06-22 | 2020-09-15 | 长沙银腾塑印包装有限公司 | Degradable packaging product |
| CN112724489A (en) * | 2020-12-26 | 2021-04-30 | 重庆柏纳伟晟新材料科技有限公司 | Degradable material and preparation method thereof |
| CN116987313A (en) * | 2023-07-31 | 2023-11-03 | 江苏劲松塑料科技有限公司 | Environment-friendly food packaging bag and preparation method thereof |
| CN116987313B (en) * | 2023-07-31 | 2024-02-13 | 江苏劲松塑料科技有限公司 | Environment-friendly food packaging bag and preparation method thereof |
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