CN104927318A - Degradable plastic packaging bag - Google Patents

Degradable plastic packaging bag Download PDF

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Publication number
CN104927318A
CN104927318A CN201410106454.7A CN201410106454A CN104927318A CN 104927318 A CN104927318 A CN 104927318A CN 201410106454 A CN201410106454 A CN 201410106454A CN 104927318 A CN104927318 A CN 104927318A
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China
Prior art keywords
parts
part
packing bag
degradative plastics
characterized
Prior art date
Application number
CN201410106454.7A
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Chinese (zh)
Inventor
张晋华
Original Assignee
天津优致科技有限公司
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Priority to CN201410106454.7A priority Critical patent/CN104927318A/en
Publication of CN104927318A publication Critical patent/CN104927318A/en

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Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10Bio-packaging
    • Y02W90/11Packing containers made from renewable resources
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10Bio-packaging
    • Y02W90/11Packing containers made from renewable resources
    • Y02W90/12Packing containers made of bio-plastics
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10Bio-packaging
    • Y02W90/11Packing containers made from renewable resources
    • Y02W90/13Biodegradable packaging containers

Abstract

The present invention belongs to the field of plastic products, and particularly relates to a biodegradable plastic packaging bag which is characterized by comprising the following components by weight: 5-15 parts of ethyl cellulose, 10-20 parts of polyethylene, 15-30 parts of modified starch, 15-30 parts of corn starch, 15-30 parts of sweet potato starch, 20-40 parts of polylactic acid, 2-10 parts of calcium carbonate powder, 1-5 parts of a lubricant, 1-5 parts of a plasticizer, 1-3 parts of a toughening agent, 1-10 parts of a degradation accelerator, 1-5 parts of polyvinyl alcohol, 2-5parts of chitosan, 1-5 parts of a compatibilizing agent and 2-6 parts of polycaprolactone. The biodegradable plastic packaging bag begins to thin, lose in weight, reduce in strength, then gradually splits into fragments after being exposed to the environment for two months, when these fragments are buried in garbage or soil, the degradation effect is very obvious; by addition of the plasticizer and the calcium carbonate powder, the added ingredients may enhance the tensile strength of the plastic packing tape, reduce the air and moisture permeability, and maintain the original characteristics of the plastic packaging bag.

Description

A kind of degradative plastics packing bag

Technical field

The invention belongs to field of plastic products, particularly relate to a kind of degradative plastics packing bag.

Background technology

Plastic packaging bag take monomer as raw material, and by the macromolecular compound of addition polymerization or polycondensation polymerized, it is generally made by additives such as synthetic resins and filler, softening agent, stablizer, lubricant, colorants.In daily life, the application of plastic packaging bag widely, but " white pollution " that waste plastic brings is also more and more serious.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 packing bag is a kind of plastics emerging in the last few years, and its properties all can meet service requirements and have the constant characteristic of performance in preservation period, and can be degraded into the material of environmental sound after using under natural environmental condition.

At present, although there is various degradative plastics packing bag on the market, but test shows: most of degradative plastics packing bag starts thinning, weightless, strength degradation after generally exposing 3 months in the environment, splinter gradually, if these fragments are embedded in rubbish or soil, then degradation effect is not obvious.In addition, some added ingredientss in degradative plastics can change some characteristic of plastics, as breathable moisture permeability increase, tensile strength variation etc., are unfavorable for the propagation and employment of degradative plastics packing bag.

Summary of the invention

The present invention is directed to above-mentioned technical problem, provide a kind of degradation effect obviously and keep the degradative plastics packing bag of plastic properties.

The technical solution used in the present invention is: a kind of degradative plastics packing bag, it is characterized in that, consist of by weight: ethyl cellulose 5-15 part, polyethylene 10-20 part, modified starch 15-30 part, W-Gum 15-30 part, sweet potato starch 15-30 part, poly(lactic acid) 20-40 part, Paris white 2-10 part, lubricant 1-5 part, softening agent 1-5 part, toughner 1-3 part, degradation of promoter 1-10 part, polyvinyl alcohol 1-5 part, chitosan 2-5 part, compatilizer 1-5 part, polycaprolactone 2-6 part.

Described optimization parts by weight consist of: ethyl cellulose 10 parts, polyethylene 15 parts, modified starch 22 parts, W-Gum 23 parts, sweet potato starch 23 parts, poly(lactic acid) 30 parts, Paris white 6 parts, lubricant 3 parts, 3 parts, softening agent, toughner 2 parts, degradation of promoter 5 parts, polyvinyl alcohol 3 parts, chitosan 3 parts, compatilizer 3 parts, polycaprolactone 4 parts.

Described poly(lactic acid) is poly (l-lactic acid), gathers D-ALPHA-Hydroxypropionic acid or the mixture both it.

Described lubricant is the one in Magnesium Stearate, calcium stearate, zinc stearate.

Described softening agent is the one in glycerine, propylene glycol, butyleneglycol.

Described toughner is the multipolymer of styrene butadiene.

Described degradation of promoter is two (4-hydroxy phenyl) propane of 2,2-.

Described compatilizer is EVOH.

Beneficial effect of the present invention is: in the present invention, the framework material of degradative plastics packing bag selects polyethylene, multiple starch, poly(lactic acid), namely degradative plastics packing bag starts thinning, weightless, strength degradation after exposing 2 months in the environment, then splinter gradually, when these fragments are embedded in rubbish or soil, degradation effect clearly; In addition, toughner, Paris white is with the addition of in formula of the present invention, these added ingredientss can reinforced plastics strap tensile strength, reduce its breathable moisture permeability, make plastic packaging bag keep original characteristic, be conducive to the propagation and employment of degradative plastics packing bag.

Embodiment

The invention will be further described below:

Embodiment 1

A kind of degradative plastics packing bag, consists of: ethyl cellulose 7 parts, polyethylene 12 parts, modified starch 25 parts, W-Gum 23 parts, sweet potato starch 19 parts, poly(lactic acid) 25 parts, Paris white 6 parts, lubricant 2 parts, 4 parts, softening agent, toughner 2 parts, degradation of promoter 3 parts, polyvinyl alcohol 4 parts, chitosan 2 parts, compatilizer 3 parts, polycaprolactone 4 parts by weight.

The preparation method of above-mentioned degradative plastics packing bag, carries out in accordance with the following steps:

(1) add in high mixer by modified starch 25 parts, W-Gum 23 parts, sweet potato starch 19 parts, the rotating speed of high mixer is adjusted to 500 turns, Heating temperature is adjusted to 120 degree and dewaters, when water content drops to 2%, high mixer shuts down;

(2) Heating temperature of high mixer is adjusted to 150 degree, rotating speed 500 turns, adds ethyl cellulose 7 parts, polyethylene 12 parts, poly(lactic acid) 25 parts, be uniformly mixed 20 minutes;

(3) in high mixer, add Paris white 6 parts, lubricant 2 parts, 4 parts, softening agent, toughner 2 parts, degradation of promoter 3 parts, polyvinyl alcohol 4 parts, chitosan 2 parts, compatilizer 3 parts, polycaprolactone 4 parts, high mixer continues to keep Heating temperature 150 degree, rotating speed 500 turns, and after being uniformly mixed 15 minutes, high mixer shuts down and is cooled to 50-60 degree;

(4) blend composition of 50-60 degree is added in inflation film manufacturing machine, heat to 180-200 degree, blowout material membrane, cooling, flanging;

(5) material membrane is added bag machine, obtain the packing bag of finished product degradative plastics.

Namely start thinning, weightless, strength degradation after the packing bag of finished product degradative plastics exposes 2 months in the environment, then splinter gradually, when these fragments are embedded in rubbish or soil, degradation effect clearly; The tensile strength of finished product degradative plastics packing bag is 29MPa, breathable moisture permeability rate is 5.2kg/ (m 2* 24h).

Embodiment 2

A kind of degradative plastics packing bag, it is characterized in that, consist of by weight: ethyl cellulose 12 parts, polyethylene 16 parts, modified starch 22 parts, W-Gum 18 parts, sweet potato starch 23 parts, poly(lactic acid) 30 parts, Paris white 7 parts, lubricant 4 parts, 2 parts, softening agent, toughner 2 parts, degradation of promoter 4 parts, polyvinyl alcohol 5 parts, chitosan 2 parts, compatilizer 3 parts, polycaprolactone 3 parts.

The preparation method of above-mentioned degradative plastics packing bag, carries out in accordance with the following steps:

(1) add in high mixer by modified starch 22 parts, W-Gum 18 parts, sweet potato starch 23 parts, the rotating speed of high mixer is adjusted to 500 turns, Heating temperature is adjusted to 120 degree and dewaters, when water content drops to 2%, high mixer shuts down;

(2) Heating temperature of high mixer is adjusted to 150 degree, rotating speed 500 turns, adds ethyl cellulose 12 parts, polyethylene 16 parts, poly(lactic acid) 30 parts, be uniformly mixed 20 minutes;

(3) in high mixer, add Paris white 7 parts, lubricant 4 parts, 2 parts, softening agent, toughner 2 parts, degradation of promoter 4 parts, polyvinyl alcohol 5 parts, chitosan 2 parts, compatilizer 3 parts, polycaprolactone 3 parts, high mixer continues to keep Heating temperature 150 degree, rotating speed 500 turns, and after being uniformly mixed 15 minutes, high mixer shuts down and is cooled to 50-60 degree;

(4) blend composition of 50-60 degree is added in inflation film manufacturing machine, heat to 180-200 degree, blowout material membrane, cooling, flanging;

(5) material membrane is added bag machine, obtain the packing bag of finished product degradative plastics.

Namely start thinning, weightless, strength degradation after the packing bag of finished product degradative plastics exposes 2 months in the environment, then splinter gradually, when these fragments are embedded in rubbish or soil, degradation effect clearly; The tensile strength of finished product degradative plastics packing bag is 29MPa, breathable moisture permeability rate is 5.3kg/ (m 2* 24h).

Embodiment 3

A kind of degradative plastics packing bag, consists of: ethyl cellulose 14 parts, polyethylene 18 parts, modified starch 22 parts, W-Gum 25 parts, sweet potato starch 19 parts, poly(lactic acid) 35 parts, Paris white 6 parts, lubricant 4 parts, 2 parts, softening agent, toughner 3 parts, degradation of promoter 8 parts, polyvinyl alcohol 4 parts, chitosan 3 parts, compatilizer 5 parts, polycaprolactone 4 parts by weight.

The preparation method of above-mentioned degradative plastics packing bag, carries out in accordance with the following steps:

(1) add in high mixer by modified starch 22 parts, W-Gum 25 parts, sweet potato starch 19 parts, the rotating speed of high mixer is adjusted to 500 turns, Heating temperature is adjusted to 120 degree and dewaters, when water content drops to 2%, high mixer shuts down;

(2) Heating temperature of high mixer is adjusted to 150 degree, rotating speed 500 turns, adds ethyl cellulose 14 parts, polyethylene 18 parts, poly(lactic acid) 35 parts, be uniformly mixed 20 minutes;

(3) in high mixer, add Paris white 6 parts, lubricant 4 parts, 2 parts, softening agent, toughner 3 parts, degradation of promoter 8 parts, polyvinyl alcohol 4 parts, chitosan 3 parts, compatilizer 5 parts, polycaprolactone 4 parts, high mixer continues to keep Heating temperature 150 degree, rotating speed 500 turns, and after being uniformly mixed 15 minutes, high mixer shuts down and is cooled to 50-60 degree;

(4) blend composition of 50-60 degree is added in inflation film manufacturing machine, heat to 180-200 degree, blowout material membrane, cooling, flanging;

(5) material membrane is added bag machine, obtain the packing bag of finished product degradative plastics.

Namely start thinning, weightless, strength degradation after the packing bag of finished product degradative plastics exposes 2 months in the environment, then splinter gradually, when these fragments are embedded in rubbish or soil, degradation effect clearly; The tensile strength of finished product degradative plastics packing bag is 30MPa, breathable moisture permeability rate is 5.3kg/ (m 2* 24h).

Embodiment 4

A kind of degradative plastics packing bag, consists of: ethyl cellulose 10 parts, polyethylene 15 parts, modified starch 22 parts, W-Gum 23 parts, sweet potato starch 23 parts, poly(lactic acid) 30 parts, Paris white 6 parts, lubricant 3 parts, 3 parts, softening agent, toughner 2 parts, degradation of promoter 5 parts, polyvinyl alcohol 3 parts, chitosan 3 parts, compatilizer 3 parts, polycaprolactone 4 parts by weight.

The preparation method of above-mentioned degradative plastics packing bag, carries out in accordance with the following steps:

(1) add in high mixer by modified starch 22 parts, W-Gum 23 parts, sweet potato starch 23 parts, the rotating speed of high mixer is adjusted to 500 turns, Heating temperature is adjusted to 120 degree and dewaters, when water content drops to 2%, high mixer shuts down;

(2) Heating temperature of high mixer is adjusted to 150 degree, rotating speed 500 turns, adds ethyl cellulose 10 parts, polyethylene 15 parts, poly(lactic acid) 30 parts, be uniformly mixed 20 minutes;

(3) in high mixer, add Paris white 6 parts, lubricant 3 parts, 3 parts, softening agent, toughner 2 parts, degradation of promoter 5 parts, polyvinyl alcohol 3 parts, chitosan 3 parts, compatilizer 3 parts, polycaprolactone 4 parts, high mixer continues to keep Heating temperature 150 degree, rotating speed 500 turns, and after being uniformly mixed 15 minutes, high mixer shuts down and is cooled to 50-60 degree;

(4) blend composition of 50-60 degree is added in inflation film manufacturing machine, heat to 180-200 degree, blowout material membrane, cooling, flanging;

(5) material membrane is added bag machine, obtain the packing bag of finished product degradative plastics.

Namely start thinning, weightless, strength degradation after the packing bag of finished product degradative plastics exposes 2 months in the environment, then splinter gradually, when these fragments are embedded in rubbish or soil, degradation effect clearly; The tensile strength of finished product degradative plastics packing bag is 30MPa, breathable moisture permeability rate is 5.2kg/ (m 2* 24h).

Above 4 embodiments of the present invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.

Claims (8)

1. a degradative plastics packing bag, it is characterized in that, consist of by weight: ethyl cellulose 5-15 part, polyethylene 10-20 part, modified starch 15-30 part, W-Gum 15-30 part, sweet potato starch 15-30 part, poly(lactic acid) 20-40 part, Paris white 2-10 part, lubricant 1-5 part, softening agent 1-5 part, toughner 1-3 part, degradation of promoter 1-10 part, polyvinyl alcohol 1-5 part, chitosan 2-5 part, compatilizer 1-5 part, polycaprolactone 2-6 part.
2. a kind of degradative plastics packing bag according to claim 1, it is characterized in that, described optimization parts by weight consist of: ethyl cellulose 10 parts, polyethylene 15 parts, modified starch 22 parts, W-Gum 23 parts, sweet potato starch 23 parts, poly(lactic acid) 30 parts, Paris white 6 parts, lubricant 3 parts, 3 parts, softening agent, toughner 2 parts, degradation of promoter 5 parts, polyvinyl alcohol 3 parts, chitosan 3 parts, compatilizer 3 parts, polycaprolactone 4 parts.
3. a kind of degradative plastics packing bag according to claim 1, is characterized in that, described poly(lactic acid) is poly (l-lactic acid), gathers D-ALPHA-Hydroxypropionic acid or the mixture both it.
4. a kind of degradative plastics packing bag according to claim 1, is characterized in that, described lubricant is the one in Magnesium Stearate, calcium stearate, zinc stearate.
5. a kind of degradative plastics packing bag according to claim 1, is characterized in that, described softening agent is the one in glycerine, propylene glycol, butyleneglycol.
6. a kind of degradative plastics packing bag according to claim 1, is characterized in that, described toughner is the multipolymer of styrene butadiene.
7. a kind of degradative plastics packing bag according to claim 1, is characterized in that, described degradation of promoter is two (4-hydroxy phenyl) propane of 2,2-.
8. a kind of degradative plastics packing bag according to claim 1, is characterized in that, described compatilizer is EVOH.
CN201410106454.7A 2014-03-21 2014-03-21 Degradable plastic packaging bag CN104927318A (en)

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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105566875A (en) * 2016-02-25 2016-05-11 陈俊俊 Degradable environment-friendly plastic and preparing method thereof
CN105646948A (en) * 2016-02-17 2016-06-08 柳州市乾阳机电设备有限公司 Plastic packaging bag and preparing method thereof
CN105694404A (en) * 2016-04-25 2016-06-22 芜湖品通塑业科技有限公司 Degradable material composition and preparation method and application of degradable plastic bag
CN105802165A (en) * 2016-05-06 2016-07-27 陈昌 Antibacterial food packaging material and preparation method thereof
CN105837862A (en) * 2016-04-27 2016-08-10 苏州市鼎立包装有限公司 Environment-friendly packaging bag and preparation method thereof
CN105906932A (en) * 2016-06-29 2016-08-31 安徽徽隆包装有限公司 Degradable plastic packaging bag
CN105924764A (en) * 2016-06-29 2016-09-07 安徽徽隆包装有限公司 Method for manufacturing degradable plastic packaging bags
CN105924762A (en) * 2016-06-28 2016-09-07 安徽徽隆包装有限公司 Environment-friendly plastic packing bag
CN105924763A (en) * 2016-06-29 2016-09-07 安徽徽隆包装有限公司 Preparation method of plastic package bag for food
CN105949601A (en) * 2016-06-29 2016-09-21 安徽徽隆包装有限公司 Plastic packing bag for foods
CN105968509A (en) * 2016-06-28 2016-09-28 安徽徽隆包装有限公司 High-strength transparent plastic film
CN106146970A (en) * 2016-06-28 2016-11-23 安徽徽隆包装有限公司 A kind of preparation method of photochemical catalyst degraded plastic packaging bag
CN106189140A (en) * 2016-07-29 2016-12-07 无锡龙盈环保科技有限公司 A kind of degradable food fresh keeping membrane and preparation method thereof
CN106280045A (en) * 2016-08-26 2017-01-04 桐城市中汇塑业有限公司 A kind of high light transmittance plastic composite packaging bag
CN106700134A (en) * 2016-11-24 2017-05-24 广东新佳源生物科技股份有限公司 Starch-based biodegradable cast film and preparation method thereof
CN106800695A (en) * 2016-12-23 2017-06-06 苏州缔绿电子科技有限公司 A kind of degradable fresh food packaging membrane material and preparation method thereof
CN106810745A (en) * 2016-12-23 2017-06-09 苏州缔绿电子科技有限公司 A kind of compound package material of stretch-proof and preparation method thereof
CN107151410A (en) * 2017-06-12 2017-09-12 太仓雅奥塑业有限公司 A kind of Environment-friendlywater-soluble water-soluble plastics package
CN107151351A (en) * 2017-06-12 2017-09-12 太仓雅奥塑业有限公司 A kind of high performance plastics packaging bag
CN107163464A (en) * 2017-06-12 2017-09-15 太仓雅奥塑业有限公司 A kind of water-soluble plastic packaging
CN107189450A (en) * 2017-06-12 2017-09-22 太仓雅奥塑业有限公司 A kind of degradable food pack
CN107417982A (en) * 2017-05-19 2017-12-01 柏翠云 A kind of packaging material for food and its manufacture craft
CN107936440A (en) * 2017-10-19 2018-04-20 合肥朗胜新材料有限公司 A kind of environment-friendlyvinyl vinyl plastic and preparation method thereof
CN109294186A (en) * 2018-09-10 2019-02-01 刘辉 A kind of antibacterial food box

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105646948A (en) * 2016-02-17 2016-06-08 柳州市乾阳机电设备有限公司 Plastic packaging bag and preparing method thereof
CN105566875A (en) * 2016-02-25 2016-05-11 陈俊俊 Degradable environment-friendly plastic and preparing method thereof
CN105694404A (en) * 2016-04-25 2016-06-22 芜湖品通塑业科技有限公司 Degradable material composition and preparation method and application of degradable plastic bag
CN105837862A (en) * 2016-04-27 2016-08-10 苏州市鼎立包装有限公司 Environment-friendly packaging bag and preparation method thereof
CN105802165A (en) * 2016-05-06 2016-07-27 陈昌 Antibacterial food packaging material and preparation method thereof
CN106146970A (en) * 2016-06-28 2016-11-23 安徽徽隆包装有限公司 A kind of preparation method of photochemical catalyst degraded plastic packaging bag
CN105924762A (en) * 2016-06-28 2016-09-07 安徽徽隆包装有限公司 Environment-friendly plastic packing bag
CN105968509A (en) * 2016-06-28 2016-09-28 安徽徽隆包装有限公司 High-strength transparent plastic film
CN105924764A (en) * 2016-06-29 2016-09-07 安徽徽隆包装有限公司 Method for manufacturing degradable plastic packaging bags
CN105924763A (en) * 2016-06-29 2016-09-07 安徽徽隆包装有限公司 Preparation method of plastic package bag for food
CN105949601A (en) * 2016-06-29 2016-09-21 安徽徽隆包装有限公司 Plastic packing bag for foods
CN105906932A (en) * 2016-06-29 2016-08-31 安徽徽隆包装有限公司 Degradable plastic packaging bag
CN106189140A (en) * 2016-07-29 2016-12-07 无锡龙盈环保科技有限公司 A kind of degradable food fresh keeping membrane and preparation method thereof
CN106280045A (en) * 2016-08-26 2017-01-04 桐城市中汇塑业有限公司 A kind of high light transmittance plastic composite packaging bag
CN106700134A (en) * 2016-11-24 2017-05-24 广东新佳源生物科技股份有限公司 Starch-based biodegradable cast film and preparation method thereof
CN106800695A (en) * 2016-12-23 2017-06-06 苏州缔绿电子科技有限公司 A kind of degradable fresh food packaging membrane material and preparation method thereof
CN106810745A (en) * 2016-12-23 2017-06-09 苏州缔绿电子科技有限公司 A kind of compound package material of stretch-proof and preparation method thereof
CN107417982A (en) * 2017-05-19 2017-12-01 柏翠云 A kind of packaging material for food and its manufacture craft
CN107151410A (en) * 2017-06-12 2017-09-12 太仓雅奥塑业有限公司 A kind of Environment-friendlywater-soluble water-soluble plastics package
CN107151351A (en) * 2017-06-12 2017-09-12 太仓雅奥塑业有限公司 A kind of high performance plastics packaging bag
CN107163464A (en) * 2017-06-12 2017-09-15 太仓雅奥塑业有限公司 A kind of water-soluble plastic packaging
CN107189450A (en) * 2017-06-12 2017-09-22 太仓雅奥塑业有限公司 A kind of degradable food pack
CN107936440A (en) * 2017-10-19 2018-04-20 合肥朗胜新材料有限公司 A kind of environment-friendlyvinyl vinyl plastic and preparation method thereof
CN109294186A (en) * 2018-09-10 2019-02-01 刘辉 A kind of antibacterial food box

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