CN107652523A - A kind of degradable packing plastics and preparation method thereof - Google Patents

A kind of degradable packing plastics and preparation method thereof Download PDF

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Publication number
CN107652523A
CN107652523A CN201710898850.1A CN201710898850A CN107652523A CN 107652523 A CN107652523 A CN 107652523A CN 201710898850 A CN201710898850 A CN 201710898850A CN 107652523 A CN107652523 A CN 107652523A
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parts
toughener
butadiene
packing plastics
degradable packing
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李建连
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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
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/46—Applications of disintegrable, dissolvable or edible materials
    • B65D65/466—Bio- or photodegradable packaging materials
    • 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
    • C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2403/04—Starch derivatives
    • 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
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045—Sulfates
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/14—Gas barrier composition
    • 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
    • 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
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Bag Frames (AREA)

Abstract

The invention discloses a kind of degradable packing plastics, mainly it is made up of following raw material：Low density linear polyethylene, kaolin, nanometer grade calcium carbonate, copper sulphate, antimony oxide, modified tapioca starch, amino carboxylic acid, polyhydroxyalkanoate, phenyl silicone oil, glycerine, lignin, poly sebacic polyanhydride, dimethyl dimercapto 2-ethyl hexyl ethanoate tin, methylisothiazolinone, toughener and methacrylic acid butadienestyrene copolymer.The degradable packing plastics of the present invention, there is good tensile strength, elongation at break, and barrier gas performance is good, the gas in air is hardly entered in the packaging bag in sealing state, has good barrier property.The packaging bag being prepared is durable, and is easy to oxidative degradation, is the packaging material of environment-friendly type.Preparation method is simple, easy to implement, is easy to grasp.

Description

A kind of degradable packing plastics and preparation method thereof
Technical field
The present invention relates to plastic applications, more particularly to a kind of degradable packing plastics and preparation method thereof.
Background technology
Food pack, it is one kind of package design, for the ease of fresh-keeping, storage food in life, so as to generate Product packaging bag.Food pack refers to directly contact with food, for containing and protecting the membrane container of food.Existing food In much all packed using plastics as packaging bag, packed using plastics, cost is low, and can preferably preserve food Product.Then the plastic packaging bag having, its tensile strength is low, elongation at break is low, and shock is received during food transport, is held very much Rupture, damage phenomenon easily occurs.It is the food ventilation gas leakage of packaging, the easy anti-matter that changes.Or the packaging bag permeability having Difference, i.e. barriering effect are poor, during for packaging for foodstuff, also easily cause food to occur rotten.Largely use plastic packaging bag simultaneously Also very big pollution is caused to environment, the plastic degradation time is longer.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering It has been the prior art well known to persons skilled in the art when being considered as recognizing or implying the information structure in any form.
The content of the invention
It is an object of the invention to provide a kind of degradable packing plastics, so as to overcome plastic packaging bag tensile strength Low, the shortcomings that elongation at break is low, barrier property is poor.
Another object of the present invention is to provide a kind of preparation method of degradable packing plastics.
To achieve the above object, the invention provides a kind of degradable packing plastics, mainly it is made up of following raw material：It is low Density linear polyethylene, kaolin, nanometer grade calcium carbonate, copper sulphate and antimony oxide.
Preferably, in above-mentioned technical proposal, described degradable packing plastics, in addition to following raw material are made：It is modified Tapioca, amino carboxylic acid, polyhydroxyalkanoate, phenyl silicone oil, glycerine, lignin, poly sebacic polyanhydride, dimethyl dimercapto 2-ethyl hexyl ethanoate tin, methylisothiazolinone, toughener and Methacrylate-butadiene-styrene.
Preferably, in above-mentioned technical proposal, described degradable packing plastics, count in parts by weight, mainly by following Raw material is made：Low density linear polyethylene 35-55 parts, kaolin 2-6 parts, nanometer grade calcium carbonate 7-13 parts, copper sulphate 2-5 parts, Antimony oxide 1-3 parts, modified tapioca starch 4-7 parts, amino carboxylic acid 2-5 parts, polyhydroxyalkanoate 3-6 parts, phenyl silicone oil 1-4 parts, glycerine 2-4 parts, lignin 1-3 parts, poly sebacic polyanhydride 1-4 parts, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 1-3 parts, first Base OIT 3-6 parts, toughener 2-5 parts and Methacrylate-butadiene-styrene 1-3 parts.
Preferably, in above-mentioned technical proposal, described degradable packing plastics, count in parts by weight, mainly by following Raw material is made：45 parts of low density linear polyethylene, 4 parts of kaolin, 9 parts of nanometer grade calcium carbonate, 3 parts of copper sulphate, antimony oxide 3 Part, 5 parts of modified tapioca starch, 3 parts of amino carboxylic acid, 4 parts of polyhydroxyalkanoate, 2 parts of phenyl silicone oil, 3 parts of glycerine, lignin 2 Part, 2 parts of poly sebacic polyanhydride, 2 parts of dimethyl dimercapto 2-ethyl hexyl ethanoate tin, 4 parts of methylisothiazolinone, 3 parts of toughener and first Base acryl-butadiene -2 parts of styrol copolymer.
Preferably, in above-mentioned technical proposal, the toughener is ethylene-vinyl acetate copolymer, styrene-butadiene One or more in thermoplastic elastomer (TPE) or acrylonitrile-butadiene-styrene copolymer.
A kind of degradable packing plastics, by low density linear polyethylene, kaolin, nanometer grade calcium carbonate, copper sulphate, three Aoxidize two antimony, modified tapioca starch, amino carboxylic acid, polyhydroxyalkanoate, phenyl silicone oil, glycerine, lignin, poly- decanedioic acid Acid anhydride, dimethyl dimercapto 2-ethyl hexyl ethanoate tin, methylisothiazolinone, toughener and methacrylic acid-butadiene-styrene are common Polymers is mixed and melted, and blown film obtains the plastics for food pack.
Compared with prior art, the present invention has the advantages that：The degradable packing plastics of the present invention, have fine Tensile strength, elongation at break, and obstruct gas performance it is good, the gas in air hardly enters the packaging in sealing state In bag, there is good barrier property.The packaging bag being prepared is durable, and is easy to oxidative degradation, is the packing timber of environment-friendly type Material.Preparation method is simple, easy to implement, is easy to grasp.
Embodiment
With reference to specific embodiment, the embodiment of the present invention is described in detail, it is to be understood that this hair Bright protection domain is not limited by embodiment.
Embodiment 1
A kind of degradable packing plastics, are counted in parts by weight, are mainly made up of following raw material：Low density linear polyethylene 45 parts, 4 parts of kaolin, 9 parts of nanometer grade calcium carbonate, 3 parts of copper sulphate, 3 parts of antimony oxide, 5 parts of modified tapioca starch, aminocarboxylic 3 parts of acid, 4 parts of polyhydroxyalkanoate, 2 parts of phenyl silicone oil, 3 parts of glycerine, 2 parts of lignin, 2 parts of poly sebacic polyanhydride, dimethyl two 2 parts of Octyltin Mercaptide, 4 parts of methylisothiazolinone, 3 parts of toughener and methacrylic acid-butadiene-styrene copolymer 2 parts of thing.
The toughener is ethylene-vinyl acetate copolymer.
A kind of degradable packing plastics, by low density linear polyethylene, kaolin, nanometer grade calcium carbonate, copper sulphate, three Aoxidize two antimony, modified tapioca starch, amino carboxylic acid, polyhydroxyalkanoate, phenyl silicone oil, glycerine, lignin, poly- decanedioic acid Acid anhydride, dimethyl dimercapto 2-ethyl hexyl ethanoate tin, methylisothiazolinone, toughener and methacrylic acid-butadiene-styrene are common Polymers is mixed and melted, and blown film obtains the plastics for food pack.
The plastic packaging bag degradation rate of 150 days prepared by the present embodiment production is 79%.For vacuum-packed food, 1 year Do not occur that gas exchanges phenomenon occurs with extraneous.
Embodiment 2
A kind of degradable packing plastics, are counted in parts by weight, are mainly made up of following raw material：Low density linear polyethylene 55 parts, 6 parts of kaolin, 13 parts of nanometer grade calcium carbonate, 5 parts of copper sulphate, 3 parts of antimony oxide, 4 parts of modified tapioca starch, amino 2 parts of carboxylic acid, 6 parts of polyhydroxyalkanoate, 1 part of phenyl silicone oil, 4 parts of glycerine, 1 part of lignin, 1 part of poly sebacic polyanhydride, dimethyl 1 part of dimercapto 2-ethyl hexyl ethanoate tin, 6 parts of methylisothiazolinone, 2 parts of toughener and methacrylic acid-butadiene-styrene are common 1 part of polymers.
The toughener is styrene butadiene thermoplasticelastomer.
A kind of degradable packing plastics, by low density linear polyethylene, kaolin, nanometer grade calcium carbonate, copper sulphate, three Aoxidize two antimony, modified tapioca starch, amino carboxylic acid, polyhydroxyalkanoate, phenyl silicone oil, glycerine, lignin, poly- decanedioic acid Acid anhydride, dimethyl dimercapto 2-ethyl hexyl ethanoate tin, methylisothiazolinone, toughener and methacrylic acid-butadiene-styrene are common Polymers is mixed and melted, and blown film obtains the plastics for food pack.
The plastic packaging bag degradation rate of 150 days prepared by the present embodiment production is 77%.For vacuum-packed food, 1 year Do not occur that gas exchanges phenomenon occurs with extraneous.
Embodiment 3
A kind of degradable packing plastics, are counted in parts by weight, are mainly made up of following raw material：Low density linear polyethylene 35 parts, 2 parts of kaolin, 7 parts of nanometer grade calcium carbonate, 2 parts of copper sulphate, 1 part of antimony oxide, 7 parts of modified tapioca starch, aminocarboxylic 5 parts of acid, 3 parts of polyhydroxyalkanoate, 4 parts of phenyl silicone oil, 2 parts of glycerine, 3 parts of lignin, 4 parts of poly sebacic polyanhydride, dimethyl two 3 parts of Octyltin Mercaptide, 3 parts of methylisothiazolinone, 5 parts of toughener and methacrylic acid-butadiene-styrene copolymer 3 parts of thing.
The toughener is the mixing of ethylene-vinyl acetate copolymer and styrene butadiene thermoplasticelastomer, is mixed The mass ratio of conjunction is 1:1.
A kind of degradable packing plastics, by low density linear polyethylene, kaolin, nanometer grade calcium carbonate, copper sulphate, three Aoxidize two antimony, modified tapioca starch, amino carboxylic acid, polyhydroxyalkanoate, phenyl silicone oil, glycerine, lignin, poly- decanedioic acid Acid anhydride, dimethyl dimercapto 2-ethyl hexyl ethanoate tin, methylisothiazolinone, toughener and methacrylic acid-butadiene-styrene are common Polymers is mixed and melted, and blown film obtains the plastics for food pack.
The plastic packaging bag degradation rate of 150 days prepared by the present embodiment production is 76%.For vacuum-packed food, 1 year Do not occur that gas exchanges phenomenon occurs with extraneous.
Embodiment 4
A kind of degradable packing plastics, are counted in parts by weight, are mainly made up of following raw material：Low density linear polyethylene 45 parts, 5 parts of modified tapioca starch, 3 parts of amino carboxylic acid, 4 parts of polyhydroxyalkanoate, 2 parts of phenyl silicone oil, 3 parts of glycerine, lignin 2 parts, 2 parts of poly sebacic polyanhydride, 2 parts of dimethyl dimercapto 2-ethyl hexyl ethanoate tin, 4 parts of methylisothiazolinone, 3 parts of toughener and first Base acryl-butadiene -2 parts of styrol copolymer.
The toughener is ethylene-vinyl acetate copolymer.
A kind of degradable packing plastics, by low density linear polyethylene, modified tapioca starch, amino carboxylic acid, poly- hydroxyl Fatty acid ester, phenyl silicone oil, glycerine, lignin, poly sebacic polyanhydride, dimethyl dimercapto 2-ethyl hexyl ethanoate tin, methyl-isothiazol Quinoline ketone, toughener and Methacrylate-butadiene-styrene are mixed and melted, and blown film obtains being used for food pack Plastics.
The plastic packaging bag degradation rate of 150 days prepared by the present embodiment production is 59%.For vacuum-packed food, 1 year Occur that gas exchanges phenomenon occurs with extraneous.
The description of the foregoing specific illustrative embodiment to the present invention is to illustrate and the purpose of illustration.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed And change.The purpose of selecting and describing the exemplary embodiment is that explain that the certain principles of the present invention and its reality should With so that those skilled in the art can realize and utilize the present invention a variety of exemplaries and Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (6)

1. a kind of degradable packing plastics, it is characterised in that be mainly made up of following raw material：Low density linear polyethylene, height Ridge soil, nanometer grade calcium carbonate, copper sulphate and antimony oxide.
2. degradable packing plastics according to claim 1, it is characterised in that be also made including following raw material：It is modified Tapioca, amino carboxylic acid, polyhydroxyalkanoate, phenyl silicone oil, glycerine, lignin, poly sebacic polyanhydride, dimethyl dimercapto 2-ethyl hexyl ethanoate tin, methylisothiazolinone, toughener and Methacrylate-butadiene-styrene.
3. degradable packing plastics according to claim 2, it is characterised in that count in parts by weight, mainly by following Raw material is made：Low density linear polyethylene 35-55 parts, kaolin 2-6 parts, nanometer grade calcium carbonate 7-13 parts, copper sulphate 2-5 parts, Antimony oxide 1-3 parts, modified tapioca starch 4-7 parts, amino carboxylic acid 2-5 parts, polyhydroxyalkanoate 3-6 parts, phenyl silicone oil 1-4 parts, glycerine 2-4 parts, lignin 1-3 parts, poly sebacic polyanhydride 1-4 parts, dimethyl dimercapto 2-ethyl hexyl ethanoate tin 1-3 parts, first Base OIT 3-6 parts, toughener 2-5 parts and Methacrylate-butadiene-styrene 1-3 parts.
4. degradable packing plastics according to claim 1, it is characterised in that count in parts by weight, mainly by following Raw material is made：45 parts of low density linear polyethylene, 4 parts of kaolin, 9 parts of nanometer grade calcium carbonate, 3 parts of copper sulphate, antimony oxide 3 Part, 5 parts of modified tapioca starch, 3 parts of amino carboxylic acid, 4 parts of polyhydroxyalkanoate, 2 parts of phenyl silicone oil, 3 parts of glycerine, lignin 2 Part, 2 parts of poly sebacic polyanhydride, 2 parts of dimethyl dimercapto 2-ethyl hexyl ethanoate tin, 4 parts of methylisothiazolinone, 3 parts of toughener and first Base acryl-butadiene -2 parts of styrol copolymer.
5. degradable packing plastics according to claim 1, it is characterised in that the toughener is ethyl vinyl acetate second One kind or several in enoate copolymer, styrene butadiene thermoplasticelastomer or acrylonitrile-butadiene-styrene copolymer Kind.
6. a kind of degradable packing plastics as claimed in claim 1, it is characterised in that by low density linear polyethylene, height Ridge soil, nanometer grade calcium carbonate, copper sulphate, antimony oxide, modified tapioca starch, amino carboxylic acid, polyhydroxyalkanoate, phenyl Silicone oil, glycerine, lignin, poly sebacic polyanhydride, dimethyl dimercapto 2-ethyl hexyl ethanoate tin, methylisothiazolinone, toughener and Methacrylate-butadiene-styrene is mixed and melted, and blown film obtains the plastics for food pack.
CN201710898850.1A 2017-09-28 2017-09-28 A kind of degradable packing plastics and preparation method thereof Pending CN107652523A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104031302A (en) * 2013-03-04 2014-09-10 中国科学院过程工程研究所 Controllable oxidative-biological degradation plastic master batch and preparation method thereof
CN106279960A (en) * 2016-08-25 2017-01-04 太仓市鸿运包装材料有限公司 A kind of biodegradable antibacterial food packaging film and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104031302A (en) * 2013-03-04 2014-09-10 中国科学院过程工程研究所 Controllable oxidative-biological degradation plastic master batch and preparation method thereof
CN106279960A (en) * 2016-08-25 2017-01-04 太仓市鸿运包装材料有限公司 A kind of biodegradable antibacterial food packaging film and preparation method thereof

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