CN109263217A - A kind of film breathed freely for fresh-keeping of vegetables - Google Patents

A kind of film breathed freely for fresh-keeping of vegetables Download PDF

Info

Publication number
CN109263217A
CN109263217A CN201811060884.4A CN201811060884A CN109263217A CN 109263217 A CN109263217 A CN 109263217A CN 201811060884 A CN201811060884 A CN 201811060884A CN 109263217 A CN109263217 A CN 109263217A
Authority
CN
China
Prior art keywords
parts
film
inner membrance
outer membrane
fresh
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811060884.4A
Other languages
Chinese (zh)
Inventor
芮珉翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201811060884.4A priority Critical patent/CN109263217A/en
Publication of CN109263217A publication Critical patent/CN109263217A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/327—Layered products comprising a layer of synthetic resin comprising polyolefins comprising polyolefins obtained by a metallocene or single-site catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B65D65/40—Applications of laminates for particular packaging purposes
    • 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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • 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
    • C08J2323/06—Polyethene
    • 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
    • C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
    • 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
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/05—Alcohols; Metal alcoholates
    • C08K5/053—Polyhydroxylic alcohols
    • 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
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a kind of films breathed freely for fresh-keeping of vegetables, including the inner membrance being integrated, basement membrane and the outer membrane of being combined with each other by combination process；It is consisted of the following compositions according to the mass percent of material: the mass percent of the material of outer membrane and inner membrance composition and its material are as follows: 15-35 parts of polyethylene, 4-7 parts of Arabic gum, 1-2 parts of polylactic acid, 1-2 parts of glycerol, 1-2 parts of chitosan, 1-3 parts of glacial acetic acid, 1-4 parts of antioxidant, 1-3 parts of preservative, 1-2 parts of antibacterial agent.The present invention has rational design, includes metallocene and auxiliary agent in basement membrane, improves the oxygen permeating amount of film entirety, can achieve 1500 film oxygen permeating amount, to meet the fresh-keeping needs such as vegetables, meet the needs of market.

Description

A kind of film breathed freely for fresh-keeping of vegetables
Technical field
The invention belongs to preservative film fields, more specifically to a kind of film breathed freely for fresh-keeping of vegetables.
Background technique
Vegetables are one of food sources important in people's diet, it is possible to provide the multivitamin and mine of needed by human body The nutriments such as substance, the 60% of 90%, the VA of the VC of needed by human body derive from vegetables, therefore effective ingredient and water in vegetables Point holding be a critically important project, its aerobic respiration should be allowed, and cannot allow its complete anoxic.
Therefore, the prior art is to be improved.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide it is a kind of for fresh-keeping of vegetables breathe freely Film, design rationally, include metallocene and auxiliary agent in basement membrane, improve the oxygen permeating amount of film entirety, can achieve 1500 film oxygen flow Amount, to meet the fresh-keeping needs such as vegetables, meets the needs of market.
To achieve the above object, the present invention provides the following technical scheme that
A kind of film breathed freely for fresh-keeping of vegetables, it is characterised in that: be integrated including being combined with each other by combination process Inner membrance, basement membrane and outer membrane；Consisted of the following compositions according to the mass percent of material: the material of outer membrane and inner membrance composition and its The mass percent of material are as follows: 15-35 parts of polyethylene, 4-7 parts of Arabic gum, 1-2 parts of polylactic acid, 1-2 parts of glycerol, 1-2 parts of chitosan, 1-3 parts of glacial acetic acid, 1-4 parts of antioxidant, 1-3 parts of preservative, 1-2 parts of antibacterial agent；Basement membrane It is the basement membrane made of metallocene LLDPE and auxiliary agent；The thickness ratio of the inner membrance, basement membrane and outer membrane is (1-2): (2-3): (1- 2)。
As a kind of technical solution of optimization, the material composition of the outer membrane and inner membrance and its mass percent of material Are as follows: 26 parts of polyethylene, 6 parts of Arabic gum, 1.4 parts of polylactic acid, 1.5 parts of glycerol, 1.8 parts of chitosan, 1.6 parts Glacial acetic acid, 1.7 parts of antioxidant, 2 parts of preservative, 1.4 parts of antibacterial agent.
As a kind of technical solution of optimization, the material composition of the outer membrane and inner membrance and its mass percent of material Are as follows: 30 parts of polyethylene, 6 parts of Arabic gum, 2 parts of polylactic acid, 1 part of glycerol, 1.8 parts of chitosan, 2 parts of ice vinegar Acid, 3 parts of antioxidant, 3 parts of preservative, 2 parts of antibacterial agent.
As a kind of technical solution of optimization, the material composition of the outer membrane and inner membrance and its mass percent of material Are as follows: 22 parts of polyethylene, 4 parts of Arabic gum, 1 part of polylactic acid, 1 part of glycerol, 1 part of chitosan, 3 parts of glacial acetic acid, 2 Antioxidant, 2 parts of the preservative, 1 part of antibacterial agent of part.
The present invention also provides a kind of films breathed freely for fresh-keeping of vegetables, it is characterised in that: preparation process is:
Include the following steps:
1), according to above-mentioned formula by polyethylene, Arabic gum, polylactic acid, glycerol, chitosan, glacial acetic acid and deionization Water mixing, which is put into blender, stirs, and is fitted into mold and stands 10-15 hours, mixed material is made；
2), antioxidant, preservative, antibacterial agent are mixed 30 minutes and stand 12-18 hours, intermixture is made；
3) mixed material in step 1), is subjected to blown film under vacuum conditions, and it is small that dry 3-6 is placed in drying box When take out；
4), the intermixture in step 2) is uniformly applied on any one film surface of step 3), under air drying environment Standing 12-18 hours can outer membrane and inner membrance；
5), extruder that metallocene LLDPE and auxiliary agent are put into 250 DEG C to fusion plastification and is metered into runner point It is squeezed out again through T-die after orchestration, is cast into sheet by 25 DEG C of sharp cooling rolls；Sheet carries out longitudinal stretching and cross directional stretch, indulges It is 100 DEG C to stretching with preheating temperature stretching in the transverse direction, setting temperature is 120 DEG C, and stretching ratio is 1.2 times, and basement membrane is made；
6), that outer membrane, basement membrane and inner membrance is compound in one, preservative film is made.
By adopting the above-described technical solution, compared with prior art, the present invention has rational design, it include metallocene in basement membrane And auxiliary agent, the oxygen permeating amount of film entirety is improved, can achieve 1500 film oxygen permeating amount, it is full to meet the fresh-keeping needs such as vegetables The demand in sufficient market.
Specific embodiment
A kind of film breathed freely for fresh-keeping of vegetables, including the inner membrance being integrated, basement membrane of being combined with each other by combination process And outer membrane, it is consisted of the following compositions according to the mass percent of material: the quality of the material of outer membrane and inner membrance composition and its material Percentage are as follows: 15-35 parts of polyethylene, 4-7 parts of Arabic gum, 1-2 parts of polylactic acid, 1-2 parts of glycerol, 1-2 parts of shell Glycan, 1-3 parts of glacial acetic acid, 1-4 parts of antioxidant, 1-3 parts of preservative, 1-2 parts of antibacterial agent.Basement membrane is by metallocene Basement membrane made of LLDPE and auxiliary agent.The thickness ratio of the inner membrance, basement membrane and outer membrane is (1-2): (2-3): (1-2).
The present invention also provides a kind of film breathed freely for fresh-keeping of vegetables, preparation process includes the following steps:
1), according to above-mentioned formula by polyethylene, Arabic gum, polylactic acid, glycerol, chitosan, glacial acetic acid and deionization Water mixing, which is put into blender, stirs, and is fitted into mold and stands 10-15 hours, mixed material is made；
2), antioxidant, preservative, antibacterial agent are mixed 30 minutes and stand 12-18 hours, intermixture is made；
3) mixed material in step 1), is subjected to blown film under vacuum conditions, and it is small that dry 3-6 is placed in drying box When take out；
4), the intermixture in step 2) is uniformly applied on any one film surface of step 3), under air drying environment Standing 12-18 hours can outer membrane and inner membrance；
5), extruder that metallocene LLDPE and auxiliary agent are put into 250 DEG C to fusion plastification and is metered into runner point It is squeezed out again through T-die after orchestration, is cast into sheet by 25 DEG C of sharp cooling rolls；Sheet carries out longitudinal stretching and cross directional stretch, indulges It is 100 DEG C to stretching with preheating temperature stretching in the transverse direction, setting temperature is 120 DEG C, and stretching ratio is 1.2 times, and basement membrane is made；
6), that outer membrane, basement membrane and inner membrance is compound in one, preservative film is made.
The present invention has rational design, includes metallocene and auxiliary agent in basement membrane, improves the oxygen permeating amount of film entirety, can achieve 1500 film oxygen permeating amount meets the needs of market to meet the fresh-keeping needs such as vegetables.
Embodiment 1
The mass percent of the material of outer membrane and inner membrance composition and its material are as follows: 26 parts of polyethylene, 6 parts of Arab Glue, 1.4 parts of polylactic acid, 1.5 parts of glycerol, 1.8 parts of chitosan, 1.6 parts of glacial acetic acid, 1.7 parts of antioxidant, 2 parts Preservative, 1.4 parts of antibacterial agent.
Embodiment 2
The mass percent of the material of outer membrane and inner membrance composition and its material are as follows: 30 parts of polyethylene, 6 parts of Arab Glue, 2 parts of polylactic acid, 1 part of glycerol, 1.8 parts of chitosan, 2 parts of glacial acetic acid, 3 parts of antioxidant, 3 parts of preservative, 2 parts of antibacterial agent.
Embodiment 3
The mass percent of the material of outer membrane and inner membrance composition and its material are as follows: 22 parts of polyethylene, 4 parts of Arab Glue, 1 part of polylactic acid, 1 part of glycerol, 1 part of chitosan, 3 parts of glacial acetic acid, 2 parts of antioxidant, 2 parts of preservative, 1 The antibacterial agent of part.
Protection scope of the present invention is not limited merely to above-described embodiment, and all technical solutions belonged under thinking of the present invention are equal It belongs to the scope of protection of the present invention.It should be pointed out that for those skilled in the art, not departing from the present invention Several improvements and modifications under the premise of principle, these modifications and embellishments should also be considered as the scope of protection of the present invention.

Claims (5)

1. a kind of film breathed freely for fresh-keeping of vegetables, it is characterised in that: be integrated including being combined with each other by combination process Inner membrance, basement membrane and outer membrane；
It is consisted of the following compositions according to the mass percent of material:
The mass percent of the material of outer membrane and inner membrance composition and its material are as follows: 15-35 parts of polyethylene, 4-7 parts of Arab Glue, 1-2 parts of polylactic acid, 1-2 parts of glycerol, 1-2 parts of chitosan, 1-3 parts of glacial acetic acid, 1-4 parts of antioxidant, 1-3 The preservative, 1-2 parts of antibacterial agent of part；
Basement membrane is the basement membrane made of metallocene LLDPE and auxiliary agent；
The thickness ratio of the inner membrance, basement membrane and outer membrane is (1-2): (2-3): (1-2).
2. a kind of film breathed freely for fresh-keeping of vegetables according to claim 1, it is characterised in that: the outer membrane and inner membrance The mass percent of material composition and its material are as follows: 26 parts of polyethylene, 6 parts of Arabic gum, 1.4 parts of polylactic acid, 1.5 parts Glycerol, 1.8 parts of chitosan, 1.6 parts of glacial acetic acid, 1.7 parts of antioxidant, 2 parts of preservative, 1.4 parts of antibacterial agent.
3. a kind of film breathed freely for fresh-keeping of vegetables according to claim 1, it is characterised in that: the outer membrane and inner membrance The mass percent of material composition and its material are as follows: 30 parts of polyethylene, 6 parts of Arabic gum, 2 parts of polylactic acid, 1 part sweet Oil, 1.8 parts of chitosan, 2 parts of glacial acetic acid, 3 parts of antioxidant, 3 parts of preservative, 2 parts of antibacterial agent.
4. a kind of film breathed freely for fresh-keeping of vegetables according to claim 1, it is characterised in that: the outer membrane and inner membrance The mass percent of material composition and its material are as follows: 22 parts of polyethylene, 4 parts of Arabic gum, 1 part of polylactic acid, 1 part sweet Oil, 1 part of chitosan, 3 parts of glacial acetic acid, 2 parts of antioxidant, 2 parts of preservative, 1 part of antibacterial agent.
5. a kind of film breathed freely for fresh-keeping of vegetables according to claim 1, it is characterised in that: the preparation process of film is:
Include the following steps:
1), polyethylene, Arabic gum, polylactic acid, glycerol, chitosan, glacial acetic acid and deionized water are mixed according to above-mentioned formula Conjunction is put into blender and stirs, and is fitted into mold and stands 10-15 hours, and mixed material is made；
2), antioxidant, preservative, antibacterial agent are mixed 30 minutes and stand 12-18 hours, intermixture is made；
3), the mixed material in step 1) is subjected to blown film under vacuum conditions, and is placed in drying box dry 3-6 hours and takes Out；
4), the intermixture in step 2) is uniformly applied on any one film surface of step 3), is stood under air drying environment It 12-18 hours can outer membrane and inner membrance；
5), extruder that metallocene LLDPE and auxiliary agent are put into 250 DEG C, to fusion plastification and is metered into flow passage distributor It is squeezed out again through T-die afterwards, is cast into sheet by 25 DEG C of sharp cooling rolls；Sheet carries out longitudinal stretching and cross directional stretch, Zong Xiangla Stretching with preheating temperature stretching in the transverse direction is 100 DEG C, and setting temperature is 120 DEG C, and stretching ratio is 1.2 times, and basement membrane is made；
6), that outer membrane, basement membrane and inner membrance is compound in one, preservative film is made.
CN201811060884.4A 2018-09-12 2018-09-12 A kind of film breathed freely for fresh-keeping of vegetables Pending CN109263217A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811060884.4A CN109263217A (en) 2018-09-12 2018-09-12 A kind of film breathed freely for fresh-keeping of vegetables

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811060884.4A CN109263217A (en) 2018-09-12 2018-09-12 A kind of film breathed freely for fresh-keeping of vegetables

Publications (1)

Publication Number Publication Date
CN109263217A true CN109263217A (en) 2019-01-25

Family

ID=65188720

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811060884.4A Pending CN109263217A (en) 2018-09-12 2018-09-12 A kind of film breathed freely for fresh-keeping of vegetables

Country Status (1)

Country Link
CN (1) CN109263217A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101791890A (en) * 2010-01-28 2010-08-04 浙江大东南包装股份有限公司 Fruit and vegetable anti-bacterial refreshing permeable film and manufacturing method thereof
CN107163349A (en) * 2017-06-29 2017-09-15 山东省农业科学院农产品研究所 Three layers of natural complex fresh-keeping film and its preparation method and application
CN107458057A (en) * 2017-07-28 2017-12-12 四川兴达塑料有限公司 A kind of grease proofing PE preservative films
CN107973962A (en) * 2017-12-11 2018-05-01 洛阳名力科技开发有限公司 A kind of PE preservative films and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101791890A (en) * 2010-01-28 2010-08-04 浙江大东南包装股份有限公司 Fruit and vegetable anti-bacterial refreshing permeable film and manufacturing method thereof
CN107163349A (en) * 2017-06-29 2017-09-15 山东省农业科学院农产品研究所 Three layers of natural complex fresh-keeping film and its preparation method and application
CN107458057A (en) * 2017-07-28 2017-12-12 四川兴达塑料有限公司 A kind of grease proofing PE preservative films
CN107973962A (en) * 2017-12-11 2018-05-01 洛阳名力科技开发有限公司 A kind of PE preservative films and preparation method thereof

Similar Documents

Publication Publication Date Title
EP0065278B1 (en) Transparent shrinkable film consisting of one or more layers
CN102886950B (en) Anti-mildew modified atmosphere packaging film for fruits and vegetables and preparation method for mildew-proof modified atmosphere packaging film
CN103966897B (en) A kind of antibacterial release paper of uvioresistant and preparation method thereof
CN105968635A (en) Waterproof packaging material and preparing method thereof
CN105820433B (en) A kind of polypropylene edge band and preparation method
CN103937299A (en) Environment-friendly sterilization coating and preparation method thereof
CN105415829B (en) A kind of openable cover polyethylene film, the high-barrier openable cover film and preparation method thereof comprising the film
CN104589676A (en) Production process of BOPP thin film
CN108779279A (en) Stretchable porous property film and its manufacturing method
WO2006112090A1 (en) Film roll of polyamide-based blend resin and process for producing the same
CN108441129B (en) Rubber-coated medical instrument packaging material capable of being stably and cleanly peeled and preparation method thereof
CN107351496B (en) A kind of high-barrier type biaxial tension co-extrusion film and preparation method
CN211968710U (en) Cigarette inner packaging film
CN104802485A (en) Green recyclable co-extruded packaging film and preparation method thereof
CN109263217A (en) A kind of film breathed freely for fresh-keeping of vegetables
CN107459796A (en) A kind of plastic cup and its processing method
CN107383520A (en) PE liquid packaging films
CN109159515A (en) It is a kind of for bonding the film of PP glass modified material
CN105538857B (en) A kind of antibacterial film and preparation method thereof and sterilizing bag
CN105926360A (en) High-environmental friendliness aqueous transfer paperboard production method
DE3229158A1 (en) Film or composite film which is aligned on a molecular level, and process for the production thereof
CN103937120A (en) PVC edge sealing material and preparation method thereof
CN108070125A (en) A kind of new embossed film
US20210061539A1 (en) Mold inhibitor bag
CN205009696U (en) Green recoverable crowded packaging film altogether

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190125