CN105415828B - A kind of environmentally friendly composite membrane of elasticity barrier - Google Patents

A kind of environmentally friendly composite membrane of elasticity barrier Download PDF

Info

Publication number
CN105415828B
CN105415828B CN201510419877.9A CN201510419877A CN105415828B CN 105415828 B CN105415828 B CN 105415828B CN 201510419877 A CN201510419877 A CN 201510419877A CN 105415828 B CN105415828 B CN 105415828B
Authority
CN
China
Prior art keywords
starch
elastic
elastic membrane
membrane
pla
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.)
Active
Application number
CN201510419877.9A
Other languages
Chinese (zh)
Other versions
CN105415828A (en
Inventor
陈
陈一
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.)
Guangdong Shunde PepsiCo New Material Co., Ltd
Original Assignee
Hunan University of Technology
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 Hunan University of Technology filed Critical Hunan University of Technology
Priority to CN201510419877.9A priority Critical patent/CN105415828B/en
Publication of CN105415828A publication Critical patent/CN105415828A/en
Application granted granted Critical
Publication of CN105415828B publication Critical patent/CN105415828B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B32B27/06—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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/02—Starch; Degradation products thereof, e.g. dextrin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • 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
    • B32B2307/73—Hydrophobic
    • 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
    • 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
    • C08L2207/04—Thermoplastic elastomer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

The present invention relates to a kind of environmentally friendly composite membrane of elasticity barrier, formed by MULTILAYER COMPOSITE, successively including bottom starch elastic membrane, intermediate layer PLA strength, elastic film, outer layer starch elastic membrane.Its feature also includes：There is inorganic fiber coat in the middle of bottom starch elastic membrane and intermediate layer PLA strength, elastic film, intermediate layer PLA strength, elastic film and outer layer starch elastic membrane, bottom starch elastic membrane and outer layer starch elastic membrane trypsin method have super-hydrophobic coat.The composite membrane has excellent intensity, certain elastic and good insulating water-proof, and can be fire-retardant, can use and high-grade film packaging field.

Description

A kind of environmentally friendly composite membrane of elasticity barrier
Technical field
The present invention relates to a kind of preparation method of film, more particularly to a kind of there is certain resilience, good intensity and tool There are good waterproof, the preparation method of the environmentally friendly composite membrane of insulative properties.
Background technology
Although plastic material possesses more excellent performance and wide applicability, but it is from oil product and can not drop Solution, in crisis of resource and environmental pollution serious today all the more, finds function admirable and reproducible alternative materials then turns into mesh The most important thing of preceding Material Field research.
At present, film for packaging consumption is increasing, although and widely used plastic foil such as PE films, PP films, PET film etc. have There is good mechanical property, and prepare simply, but can not degrade, cause serious white pollution.
In degradation material, starch because its cheap price and extensive source further investigate and by modified and It is compound to be prepared for a variety of lives and industrial goods, such as starch basement membrane, starch dishware.But starch has its natural defect, it Poor mechanical property, performance is unstable, can only apply to the field low to mechanical property requirements.And the appearance of PLA changes this One present situation.PLA (PLA) is aliphatic polyester, with lactic acid (2 hydroxy propanoic acid) for basic structural unit.PLA can pass through fermentation The natural materials such as corn are made, and can be also made using lactic acid polycondensation.PLA and its end product can be in natural decompositions under composting conditionses As CO2And water, solid waste discharge amount is reduced, is a kind of biogenic material of environmental protection.Although PLA has There are good biodegradability, machinability, excellent mechanical property, but its property is crisp frangible, lacks flexibility and pliability, Largely limit the application of polylactic acid membrane.
For film needs, in addition to being had higher requirements to mechanical property, feature is also proposed in some special dimensions Requirement, such as need waterproof, trapping, antibacterial, antirust in food and medicine packaging field, simple degradation material film is difficult reality Existing functionalization.The excellent multifunctional membrane of processability is a kind of common in field of film preparation by the way of multi-layer co-extruded Means, a kind of medical multilayer co-extrusion film manufacturing method, passes through interior sealing, core layer and heat-resistant layer as disclosed in CN104191584A It is compound, provide good mechanics and heat resistance for film.CN103481616A discloses a kind of antistatic PP TYPE And preparation method thereof, the composite membrane causes composite membrane to have using the organic collocation melting co-extrusion film forming of a variety of barrier anti-static materials Excellent intensity and barrier antistatic behaviour.
By way of multilayer coordinates, with reference to different layers characteristic be superimposed, come realize including more preferable intensity, toughness or Other features such as elasticity, barrier, anti-flammability are undoubtedly a kind of very simple and practical method.
The content of the invention
The invention aims to individual layer degradable membrane intensity difference, defect nonelastic and that barrier can not be realized, carry There is excellent in strength, resilience and barrier, waterproof, the preparation method of fire-retardant composite membrane can be realized for a kind of.
The purpose of the present invention is achieved through the following technical solutions：
A kind of environmentally friendly composite membrane of elasticity barrier, is formed by MULTILAYER COMPOSITE, successively including bottom starch elastic membrane, middle strata Lactic acid strength, elastic film, outer layer starch elastic membrane.Its feature also includes：Bottom starch elastic membrane and intermediate layer PLA intensity bullet Property film, intermediate layer PLA strength, elastic film and outer layer starch elastic membrane in the middle of have an inorganic fiber coat, bottom starch elasticity Film and outer layer starch elastic membrane trypsin method have super-hydrophobic coat.
Further, the bottom starch elastic membrane and outer layer starch elastic membrane be with thermoplastic starch, thermoplastic elastomer (TPE), Starch-grafted GMA, POSS grafted maleic anhydrides are primary raw material, and adding a small amount of auxiliary agent includes antioxygen Agent, waterproofing agent film extrusion.The mass fraction of thermoplastic starch is between 45-60% in major ingredient, the matter of thermoplastic elastomer (TPE) Measure fraction between 25-40%, the mass fraction of starch-grafted GMA between 10-20%, The mass fraction of POSS grafted maleic anhydrides is between 2-4%.The consumption for adding antioxidant and waterproofing agent is the total matter of major ingredient Between the 1-3% of amount.
Wherein, the thermoplastic starch is the native starch to be plastified with plasticisers such as glycerine, and native starch can be corn One kind in starch, tapioca.Plasticiser consumption is the 20-35% of native starch quality.It is preferred that, native starch selection wood Sweet potato starch, plasticiser selection glycerine, qualities of glycerin is the 30% of tapioca.
Wherein, the thermoplastic elastomer (TPE) be TPUE (TPU), TPO (TPO) or EVA elastomers.It is preferred that, select EVA elastomers.
Wherein, the grafting rate of the starch-grafted GMA is between 45%-65%.
Wherein, the eight arms maleic anhydride POSS is POSS graft.
Polyhedral oligomeric silsesquioxane (POSS) is a kind of silica structure with octahedra cage structure, and POSS is in cage There are 8 group R that can be modified on the corner of shape structure.The molecule of eight involved arm maleic anhydride POSS in the present invention Structural formula is：
Wherein, the antioxidant is one or more of arbitrary proportions mixing in 264, BHT, 168,1010, and waterproofing agent is Calcium stearate.
Its processing method is：
(1) it is standby by all raw materials in vacuum drying 24 hours under 50 degree；
(2) thermoplastic starch, starch-grafted GMA, POSS grafted maleic anhydrides are blended at a high speed Afterwards, melting extrusion, pelletizing obtains masterbatch A, and its melting extrusion temperature is 140-160 degree, and screw speed is 150-200rad/min, Residence time is 1-2 minutes；
(3) after masterbatch A and thermoplastic elastomer (TPE), antioxidant, waterproofing agent being blended at a high speed, it is extruded into by melt blending Film, its melting extrusion temperature is 160-180 degree, and screw speed is 100-150rad/min, and the residence time is 2-3 minutes.
Further, the intermediate layer PLA strength, elastic film is with PLA, toughening element, elastic component, metering system Acid glycidyl ester grafted polylactic acid is primary raw material, and adding a small amount of auxiliary agent includes antioxidant, waterproofing agent film extrusion.In major ingredient The mass fraction of PLA between 45-60%, the mass fraction of toughening element between 25-40%, elastic component Mass fraction between 10-20%, the mass fraction of glycidyl methacrylate graft PLA between 2-4% it Between.The consumption for adding antioxidant and waterproofing agent is between the 1-3% of major ingredient gross mass.
Wherein, the PLA is poly (l-lactic acid), poly- D-ALPHA-Hydroxypropionic acid or poly- L, D-ALPHA-Hydroxypropionic acid composition.Its relative molecular mass Between 200000-500000, it is preferred that selection 300000-400000.
Wherein, the toughening element is ethylene acrylic acid co polymer ethylene-vinyl acetate copolymer (EVA), ethylene, propylene One kind in acid copolymer (EAA).
Wherein, the elastic component is TPV (TPV), SBS Or one kind in ethene-octene copolymer (POE) (SBS).
Wherein, the grafting degree of the glycidyl methacrylate graft PLA is between 0.8%-2% Wherein, the antioxidant is one or more of arbitrary proportions mixing in 264, BHT, 168,1010.Waterproofing agent is calcium stearate.
Its processing method is：By PLA, toughening element, elastic component, the poly- breast of glycidyl methacrylate graft After acid, antioxidant, waterproofing agent are blended at a high speed, by melt blending film extrusion, its melting extrusion temperature is 160-180 degree, spiral shell Bar rotating speed is 100-150rad/min, and the residence time is 2-3 minutes.
Further, the inorfil coating be will in advance through special process manufacture processing inorganic ultrafine fiber cotton with Peculiar water base property bonding agent mixing, forms the seamless with some strength and thickness, entirety steady after being spontaneously dried after spraying Fixed closed sprayed coating.The sprayed coating present elasticity natural texture and fiber quality, with insulation, shock-absorption sound-insulation, every Exhausted steam and fireproof effect.
Further, to may be such that water droplet produces that high contact angle and being easy to tumbles thereon new to be a kind of for the super-hydrophobic coat Type coating material, such as some nano-substances with special construction.Super-hydrophobic coat existing on the market can be used, such as Du Pont is public The TeflonAF super-hydrophobic coating materials of department, domestic also many enterprises produce, it is possible to use domestic patent such as CN 101522822A It is prepared by the preparation method of the super-hydrophobic coat of record.
Further, the bottom starch elastic membrane and intermediate layer PLA strength, elastic film, intermediate layer PLA intensity bullet Property film and outer layer starch elastic membrane between with inorfil coating bond, edge is sealed by PUR.
Further, the thickness of the bottom starch elastic membrane, outer layer starch elastic membrane is middle between 0.2-0.4mm The thickness of strata lactic acid strength, elastic film between 0.25-0.5mm, the thickness of inorfil coating between 0.1-0.2mm it Between.
Brief description of the drawings
Fig. 1 is the cross section structure schematic diagram of embodiment 1.
Fig. 2 is the cross section structure schematic diagram of embodiment 2.
Embodiment [0030] illustrative embodiment of the invention described in detail below.But these implementations Only exemplary purpose, and the invention is not restricted to this.
Embodiment 1
A kind of reference picture 1, environmentally friendly composite membrane of elasticity barrier, is formed by MULTILAYER COMPOSITE, successively including bottom starch elastic membrane 1st, intermediate layer PLA strength, elastic film 3, outer layer starch elastic membrane 5.Its feature also includes：Bottom starch elastic membrane and intermediate layer Inorfil coating 2, intermediate layer PLA strength, elastic film and outer layer starch elastic membrane are provided with the middle of PLA strength, elastic film Centre is provided with inorfil coating 4, and bottom starch elastic membrane 1 and the trypsin method of outer layer starch elastic membrane 5 have super-hydrophobic coat 6 and 7.
The bottom starch elastic membrane 1 and outer layer starch elastic membrane 5 are with thermoplastic starch, thermoplastic polyurethane elastic Body, starch-grafted GMA, eight arm maleic anhydride POSS are primary raw material, and adding a small amount of auxiliary agent includes resisting Oxygen agent, waterproofing agent film extrusion.The mass fraction of thermoplastic starch is 52%, the quality of TPUE in major ingredient Fraction is 35%, and the mass fraction of starch-grafted GMA is 11%, eight arm maleic anhydride POSS matter It is 3% to measure fraction.The consumption for adding antioxidant and waterproofing agent is the 2% of major ingredient gross mass.
Wherein, the thermoplastic starch is the tapioca to be plastified by plasticiser of glycerine, and glycerine consumption is para arrowroot The 30% of silty amount.
Wherein, the grafting rate of the starch-grafted GMA is 52%.
Wherein, the antioxidant is 264, and waterproofing agent is calcium stearate.
Its processing method is：(1) it is standby by all raw materials in vacuum drying 24 hours under 50 degree；(2) by thermoplastic starch After powder, starch-grafted GMA, eight arm maleic anhydride POSS are blended at a high speed, melting extrusion, pelletizing is obtained Masterbatch A, its melting extrusion temperature is 140-160 degree, and screw speed is 180rad/min, and the residence time is 1.5 minutes；
(3) after masterbatch A and thermoplastic elastomer (TPE), antioxidant, waterproofing agent being blended at a high speed, it is extruded into by melt blending Film, its melting extrusion temperature is 160-180 degree, and screw speed is 120rad/min, and the residence time is 2.5 minutes.
The intermediate layer PLA strength, elastic film 3 is with PLA, EAA, SBS, glycidyl methacrylate graft PLA is primary raw material, and adding a small amount of auxiliary agent includes antioxidant, waterproofing agent film extrusion.The mass fraction of PLA in major ingredient The mass fraction for being 32%, SBS for 50%, EAA mass fraction is 15%, glycidyl methacrylate graft PLA Mass fraction be 3%.The consumption for adding antioxidant and waterproofing agent is the 2% of major ingredient gross mass.
Wherein, the PLA is poly (l-lactic acid), and its relative molecular mass is between 300000-400000；The first The grafting degree of base glycidyl acrylate grafted polylactic acid is between 1.4%；The antioxidant is antioxidant BHT, and waterproofing agent is Calcium stearate.
Its processing method is：By PLA, toughening element, elastic component, the poly- breast of glycidyl methacrylate graft After acid, antioxidant, waterproofing agent are blended at a high speed, by melt blending film extrusion, its melting extrusion temperature is 160-180 degree, spiral shell Bar rotating speed is 120rad/min, and the residence time is 2.5 minutes.
The inorfil coating is by the inorganic ultrafine fiber cotton for manufacturing processing through special process in advance and peculiar water Mafic bonding agent is mixed, the sprayed coating formed after being spontaneously dried after spraying.
The super-hydrophobic coat 6,7 uses the Teflon AF super-hydrophobic coats of E.I.Du Pont Company.
The bottom starch elastic membrane 1 and intermediate layer PLA strength, elastic film 3, intermediate layer PLA strength, elastic film 3 Bonded between outer layer starch elastic membrane 5 with inorfil coating, edge is sealed by PUR.
The bottom starch elastic membrane 1, the thickness of outer layer starch elastic membrane 5 are 0.3mm, intermediate layer PLA strength, elastic The thickness of film 3 is 0.35mm, and the thickness of inorfil coating 2,4 is 0.15mm.
Embodiment 2
A kind of reference picture 2, environmentally friendly composite membrane of elasticity barrier, is formed by MULTILAYER COMPOSITE, successively including bottom starch elastic membrane 1 ', intermediate layer PLA strength, elastic film 3 ', outer layer starch elastic membrane 5 '.Its feature also includes：Bottom starch elastic membrane is with Inorfil coating 2 ', intermediate layer PLA strength, elastic film and outer layer starch bullet are provided with the middle of interbed PLA strength, elastic film Property film in the middle of be provided with inorfil coating 4 ', bottom starch elastic membrane 1 ' and the trypsin method of outer layer starch elastic membrane 5 ' have super-hydrophobic painting Layer 6 ' and 7 '.
The bottom starch elastic membrane 1 ' and outer layer starch elastic membrane 5 ' are with thermoplastic starch, EVA, starch-grafted methyl Glycidyl acrylate, eight arm maleic anhydride POSS are primary raw material, and adding a small amount of auxiliary agent includes antioxidant, waterproofing agent extrusion Film forming.The mass fraction that the mass fraction of thermoplastic starch is 55%, EVA in major ingredient is 30%, starch-grafted methacrylic acid The mass fraction of ethylene oxidic ester is 12%, and eight arm maleic anhydride POSS mass fraction is 3%.Add antioxidant and waterproofing agent Consumption be the 2% of major ingredient gross mass.
Wherein, the thermoplastic starch is the tapioca to be plastified by plasticiser of glycerine, and glycerine consumption is para arrowroot The 30% of silty amount.
Wherein, the grafting rate of the starch-grafted GMA is 58%.
Wherein, the antioxidant is 264, and waterproofing agent is calcium stearate.
Its processing method is：(1) it is standby by all raw materials in vacuum drying 24 hours under 50 degree；(2) by thermoplastic starch After powder, starch-grafted GMA, eight arm maleic anhydride POSS are blended at a high speed, melting extrusion, pelletizing is obtained Masterbatch A, its melting extrusion temperature is 140-160 degree, and screw speed is 180rad/min, and the residence time is 1.5 minutes；
(3) after masterbatch A and thermoplastic elastomer (TPE), antioxidant, waterproofing agent being blended at a high speed, it is extruded into by melt blending Film, its melting extrusion temperature is 160-180 degree, and screw speed is 120rad/min, and the residence time is 2.5 minutes.
The intermediate layer PLA strength, elastic film 3 ' is with PLA, EVA, POE, glycidyl methacrylate graft PLA is primary raw material, and adding a small amount of auxiliary agent includes antioxidant, waterproofing agent film extrusion.The mass fraction of PLA in major ingredient The mass fraction for being 32%, POE for 50%, EVA mass fraction is 15%, glycidyl methacrylate graft PLA Mass fraction be 3%.The consumption for adding antioxidant and waterproofing agent is the 2% of major ingredient gross mass.
Wherein, the PLA is poly (l-lactic acid), and its relative molecular mass is between 250000-350000；The first The grafting degree of base glycidyl acrylate grafted polylactic acid is 1.2%；The antioxidant is antioxidant BHT, and waterproofing agent is hard Ester acid calcium.
Its processing method is：By PLA, toughening element, elastic component, the poly- breast of glycidyl methacrylate graft After acid, antioxidant, waterproofing agent are blended at a high speed, by melt blending film extrusion, its melting extrusion temperature is 160-180 degree, spiral shell Bar rotating speed is 120rad/min, and the residence time is 2.5 minutes.
The inorfil coating is by the inorganic ultrafine fiber cotton for manufacturing processing through special process in advance and peculiar water Mafic bonding agent is mixed, the sprayed coating formed after being spontaneously dried after spraying.
The super-hydrophobic coat 6 ', 7 ' uses the Teflon AF super-hydrophobic coats of E.I.Du Pont Company.
The bottom starch elastic membrane 1 ' and intermediate layer PLA strength, elastic film 3 ', intermediate layer PLA strength, elastic film Bonded between 3 ' and outer layer starch elastic membrane 5 ' with inorfil coating, edge is sealed by PUR.
The bottom starch elastic membrane 1 ', the thickness of outer layer starch elastic membrane 5 ' are 0.35mm, intermediate layer PLA intensity The thickness of elastic membrane 3 ' is 0.3mm, and the thickness of inorfil coating 2 ', 4 ' is 0.15mm.

Claims (2)

1. a kind of environmentally friendly composite membrane of elasticity barrier, is formed by MULTILAYER COMPOSITE, successively including bottom starch elastic membrane, middle strata breast Acid strength elastic membrane, outer layer starch elastic membrane；
Its feature also includes：Bottom starch elastic membrane and intermediate layer PLA strength, elastic film, intermediate layer PLA strength, elastic There is inorganic fiber coat in the middle of film and outer layer starch elastic membrane, bottom starch elastic membrane and outer layer starch elastic membrane trypsin method have Super-hydrophobic coat；
Its feature also includes：The bottom starch elastic membrane and outer layer starch elastic membrane are with thermoplastic starch, thermoplastic elastic Body, starch-grafted GMA, eight arm maleic anhydride POSS are primary raw material, and adding a small amount of auxiliary agent includes resisting The mass fraction of thermoplastic starch is between 45-60% in oxygen agent, waterproofing agent film extrusion, major ingredient, thermoplastic elastomer (TPE) Mass fraction between 25-40%, the mass fraction of starch-grafted GMA between 10-20% it Between, eight arm maleic anhydride POSS mass fraction is between 2-4%, and the consumption for adding antioxidant and waterproofing agent is that major ingredient is total Between the 1-3% of quality；
Its feature also includes：The intermediate layer PLA strength, elastic film is connect with PLA, toughening element, elastic component, starch Branch GMA is primary raw material, and adding a small amount of auxiliary agent is included in antioxidant, waterproofing agent film extrusion, major ingredient The mass fraction of PLA between 45-60%, the mass fraction of toughening element between 25-40%, elastic component Mass fraction between 10-20%, the mass fraction of starch-grafted GMA between 2-4%, The consumption for adding antioxidant and waterproofing agent is between the 1-3% of major ingredient gross mass；
Its feature also includes：The bottom starch elastic membrane and intermediate layer PLA strength, elastic film, intermediate layer PLA intensity Bonded between elastic membrane and outer layer starch elastic membrane with inorfil coating, edge is sealed by PUR.
2. a kind of environmentally friendly composite membrane of elasticity barrier as claimed in claim 1, it is characterised in that：The bottom starch elastic membrane, The thickness of outer layer starch elastic membrane is between 0.2-0.4mm, and the thickness of intermediate layer PLA strength, elastic film is between 0.25- Between 0.5mm, the thickness of inorfil coating is between 0.1-0.2mm.
CN201510419877.9A 2015-07-17 2015-07-17 A kind of environmentally friendly composite membrane of elasticity barrier Active CN105415828B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510419877.9A CN105415828B (en) 2015-07-17 2015-07-17 A kind of environmentally friendly composite membrane of elasticity barrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510419877.9A CN105415828B (en) 2015-07-17 2015-07-17 A kind of environmentally friendly composite membrane of elasticity barrier

Publications (2)

Publication Number Publication Date
CN105415828A CN105415828A (en) 2016-03-23
CN105415828B true CN105415828B (en) 2017-08-08

Family

ID=55494566

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510419877.9A Active CN105415828B (en) 2015-07-17 2015-07-17 A kind of environmentally friendly composite membrane of elasticity barrier

Country Status (1)

Country Link
CN (1) CN105415828B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111361119B (en) * 2017-12-22 2022-08-05 福建恒安家庭生活用品有限公司 Preparation method of soft base membrane based on SEBS (styrene-ethylene-butadiene-styrene) elastomer
CN111763354B (en) * 2020-07-27 2021-12-03 海南瑞富源塑胶工业有限公司 Heat-resistant modified thermoplastic starch packaging material and preparation method thereof
CN112026290B (en) * 2020-09-03 2022-07-19 湖南工业大学 Starch-protein-based composite membrane material

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104553212A (en) * 2015-01-13 2015-04-29 正业包装（中山）有限公司 Novel water-proof compression-resistant heat-insulating composite paperboard

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7951436B2 (en) * 2006-08-14 2011-05-31 Frito-Lay North America, Inc. Environmentally-friendly multi-layer flexible film having barrier properties

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104553212A (en) * 2015-01-13 2015-04-29 正业包装（中山）有限公司 Novel water-proof compression-resistant heat-insulating composite paperboard

Also Published As

Publication number Publication date
CN105415828A (en) 2016-03-23

Similar Documents

Publication Publication Date Title
CN104943306B (en) A kind of biomass combined packaging film of high strength multi-layer co-extrusion
CN105729967B (en) A kind of compound barrier high-strength membrane of multilayer PLA
CN106003943B (en) The preparation method of three-layer co-extruded Biodegradable mulch and three-layer co-extruded Biodegradable mulch
CN105415828B (en) A kind of environmentally friendly composite membrane of elasticity barrier
CN103360674B (en) A kind of Wood powder composite foam material and preparation method thereof
CN1215119C (en) Ternary mixtures of biodegradable polyesters and products manufactured there from
CN106977833A (en) Polyvinyl chloride composite materials and its processing method
CA2653637C (en) Method for the production of a biodegradable plastic film, and film
CN105461967B (en) A kind of lightweight starch base high tenacity composite foam material
KR101443020B1 (en) Composition for biomass film and biomass film using thereof
CN106042502A (en) Environmental friendly packaging film used for fruit and vegetable packaging
JP7110228B2 (en) biodegradable film
CN105440608A (en) High-toughness high-strength polylactic acid composite material and preparation process therefor
US20160222206A1 (en) Soft Glycol-Modified Polyethylene Terephthalate (PETG) Resin Composition and Extruded Article Comprising the Same
JP2023123591A (en) biodegradable film
CN109476143A (en) Multilayer biodegradable film
CN105440611B (en) A kind of high tough polymeric lactic acid compound film with antibacterial barrier
US9957386B2 (en) Antistatic thermoplastic starch alloys
CN1324385A (en) Articles produced by polyester ersina having good properties as barriers to water vapour
CN105459536B (en) A kind of five-layer co-squeezing high intensity barrier antibacterial environment protection composite membrane
CN103748154B (en) For the fluoropolymer composition of multilayer module
JP2018103588A (en) Composite material
US20030096094A1 (en) Wood composite material
JP2009226869A (en) Decorative sheet, decorative material, and method for production of decorative sheet
CN105461970A (en) Biomass composite antibiotic foamed material

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20191230

Address after: 528000 No. two, No. 18 Liangjun Road, No. 1 village committee, Maicun village, Xingtan town, Shunde District, Foshan City, Guangdong Province

Patentee after: Guangdong Shunde PepsiCo New Material Co., Ltd

Address before: 412008 No. 88 West Taishan Road, Tianyuan District, Hunan, Zhuzhou

Patentee before: Hunan University of Technology

TR01 Transfer of patent right