CN108001849A - A kind of ventilative degradable package plate, ventilative degradable package material and preparation method - Google Patents
A kind of ventilative degradable package plate, ventilative degradable package material and preparation method Download PDFInfo
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- CN108001849A CN108001849A CN201711463984.7A CN201711463984A CN108001849A CN 108001849 A CN108001849 A CN 108001849A CN 201711463984 A CN201711463984 A CN 201711463984A CN 108001849 A CN108001849 A CN 108001849A
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- 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
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- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
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- 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
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- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
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- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
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- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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- 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
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0221—Vinyl 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/716—Degradable
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- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- 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
- C08J2397/00—Characterised by the use of lignin-containing materials
- C08J2397/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—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
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
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- 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
- C08J2467/08—Polyesters modified with higher fatty oils or their acids, or with resins or resin acids
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- Mechanical Engineering (AREA)
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- Biodiversity & Conservation Biology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Emergency Medicine (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The present invention provides a kind of ventilative degradable package plate, ventilative degradable package material and preparation method, wherein, a kind of ventilative degradable package plate, including composite foamed plate and the resin glued membrane being arranged on composite foamed plate, it cures and vacuumizes to be formed by the resin glued membrane preimpregnated glass fibre cloth hot melt adhesive, and in glass fabric hot melt adhesive upper abdomen composite foamed plate.A kind of ventilative degradable package material, is made of following component in parts by weight：15 20 parts of latex, 6 10 parts of foaming agent, 13 20 parts of EVA particles, 12 parts of alkyd resin, 0.5 1 parts of glycerine, 0.5 1 parts of zinc oxide, surplus is plant fiber.And a kind of preparation method of ventilative degradable package material is provided, its packaging material produced has stomata, can be used for the packaging of requirement good ventilation product.
Description
Technical field
The present invention relates to a kind of packaging material, and in particular to a kind of ventilative degradable package plate, ventilative degradable package material
Material and preparation method.
Technical background
For the packaging of present product more using molding or the polystyrene of assembly, its degradation property is poor, not environmentally, special at some
In different packaging material, the air permeability of interior items in packaging bag or packing box, it is necessary to inflate hole in order to prevent.Stomata mistake
It can not ensure the transport of article greatly, stomata is very few too small, and can make it that internal ventilation is not smooth, influences the performance of ventilating of product.
The content of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of ventilative degradable package plate, degradable bag of breathing freely
Package material and preparation method.The technical solution that it is used is as follows：
A kind of ventilative degradable package plate, including composite foamed plate and the resin glued membrane that is arranged on composite foamed plate, its by
The resin glued membrane preimpregnated glass fibre cloth hot melt adhesive, and cure in glass fabric hot melt adhesive upper abdomen composite foamed plate and take out true
Sky is formed.
Further, the composite foamed plate is by latex, plant fiber, foaming agent, EVA particles, alkyd resin, glycerine
And zinc oxide through thermoplastic, molding, foaming, curing, cooling, cut into slices, cut out and stamp is made.
Present invention also offers a kind of ventilative degradable package material, it is made of in parts by weight following component：
15-20 parts of latex,
6-10 parts of foaming agent,
13-20 parts of EVA particles,
1-2 parts of alkyd resin,
0.5-1 parts of glycerine,
0.5-1 parts of zinc oxide
Surplus is plant fiber.
Further, the plant fiber is one or more combinations in powdered rice hulls, wheat bran, sawdust.
Further, the foaming agent is azodicarbonamide foaming agent.
Present invention also offers a kind of ventilative degradable package material and preparation method, include the following steps：
1）Weighing：Stock up according to dispensing；
2）Ultra fine：Plant fiber drying time 8-15 minute, is then used into powder in drying box with 50-55 DEG C of drying
Broken machine carries out fine crushing；
3）It is degerming：The plant fiber of fine is subjected to degerming, degerming time 30-50 minutes using ultraviolet；
4）Batch mixing：Plant fiber after fine, foaming agent, EVA particles, alkyd resin, glycerine and zinc oxide are put into
Uniformly mixed to stirred tank；
5）Constant temperature：Step 4）After be warming up to 70-90 DEG C, latex is slowly added to after constant temperature and is at the uniform velocity stirred；
6）Thermoplastic：Step 5）Prefoam processing is carried out in thermoplastic stove afterwards, warm temperature is 110 ~ 120 DEG C, heats 35 ~ 50 points
Clock, the volume of prefoam are 5-8 times of original volume；
7）Molding：It is molded using machinery, by 2-3 times of the volume compression of prefoam to original volume；At this time, have in mould evenly distributed
Stomata, stomatal frequency is 500000-1000000/m3;
8）Foaming：It is put into foaming machine and carries out heating foaming, form plate, warm temperature is 200 ~ 220 DEG C, heats 45 ~ 50 points
Clock, makes the chemical substance contained by its inside again serve to chemical reaction, in the foaming process, weight is constant, and volume is increased to
15 ~ 20 times of original volume；In foaming process, inert gas is uniformly poured, for the slow inflation of stomata, forms plate；
9）Cure：Plate after foaming is subjected to curing process through multistage curing oven, is shaped for stomata；
10）Cooling：It is cooled to room temperature；
11）Section：Shape and thickness by plate cutting into needs；
12）Cut：Plate after cutting is cut to required size and specification；
13）Punch forming：Stamping die punch forming will be utilized after plate both sides abdomen glue after reduction.
In step 4）In, the stir speed (S.S.) of stirred tank is 1000-1500 revs/min.
In step 8）In, inert gas is argon gas.
In step 9）In, curing uses three-stage curing oven, its first segment temperature is 120 ~ 130 DEG C, and second segment temperature is
100 ~ 110 DEG C, the 3rd section of temperature is 80 ~ 90 DEG C.
The ventilative degradable package plate of its production of the present invention is made of environment-friendly materials, non-hazardous material, and can be degraded,
Its stomatal frequency is 500000-1000000/m3, and venting capability is good.
Embodiment
With reference to specific embodiment, the invention will be further described, to be better understood from technical solution of the present invention.
Embodiment 1
A kind of ventilative degradable package plate, including composite foamed plate and the resin glued membrane that is arranged on composite foamed plate, its by
The resin glued membrane preimpregnated glass fibre cloth hot melt adhesive, and cure in glass fabric hot melt adhesive upper abdomen composite foamed plate and take out true
Sky is formed.
The composite foamed plate is by latex, plant fiber, foaming agent, EVA particles, alkyd resin, glycerine and oxidation
Zinc through thermoplastic, molding, foaming, curing, cooling, cut into slices, cut out and stamp is made.
Embodiment 2
A kind of ventilative degradable package material and preparation method, include the following steps：
1）Weighing：15 parts of latex, 6 parts of foaming agent, 13 parts of EVA particles, 1 part of alkyd resin, 0.5 part of glycerine, zinc oxide 0.5
Part, 64 parts of plant fiber.
2）Ultra fine：By plant fiber with 50-55 DEG C of drying in drying box, drying time 8-15 minute, then
Fine crushing is carried out with pulverizer；
3）It is degerming：The plant fiber of fine is subjected to degerming, degerming time 30-50 minutes using ultraviolet；
4）Batch mixing：Plant fiber after fine, foaming agent, EVA particles, alkyd resin, glycerine and zinc oxide are put into
Uniformly mixed to stirred tank；
5）Constant temperature：Step 4）After be warming up to 70-90 DEG C, latex is slowly added to after constant temperature and is at the uniform velocity stirred；
6）Thermoplastic：Step 5）Prefoam processing is carried out in thermoplastic stove afterwards, warm temperature is 110 ~ 120 DEG C, heats 35 ~ 50 points
Clock, the volume of prefoam are 5-8 times of original volume；
7）Molding：It is molded using machinery, by 2-3 times of the volume compression of prefoam to original volume；At this time, have in mould evenly distributed
Stomata, stomatal frequency is 500000-1000000/m3;
8）Foaming：It is put into foaming machine and carries out heating foaming, form plate, warm temperature is 200 ~ 220 DEG C, heats 45 ~ 50 points
Clock, makes the chemical substance contained by its inside again serve to chemical reaction, in the foaming process, weight is constant, and volume is increased to
15 ~ 20 times of original volume；In foaming process, inert gas is uniformly poured, for the slow inflation of stomata, forms plate；
9）Cure：Plate after foaming is subjected to curing process through multistage curing oven, is shaped for stomata；
10）Cooling：It is cooled to room temperature；
11）Section：Shape and thickness by plate cutting into needs；
12）Cut：Plate after cutting is cut to required size and specification；
13）Punch forming：Stamping die punch forming will be utilized after plate both sides abdomen glue after reduction.
In resin glued membrane preimpregnated glass fibre cloth hot melt adhesive, and in the above-mentioned punch forming of glass fabric hot melt adhesive upper abdomen
Plate cures and vacuumizes to form ventilative degradable package plate, and stomatal frequency is about 600000/m3.
Embodiment 3
A kind of ventilative degradable package material and preparation method, include the following steps：
1）Weighing：18 parts of latex, 8 parts of foaming agent, 16 parts of EVA particles, 1.5 parts of alkyd resin, 0.8 part of glycerine, zinc oxide 0.8
Part, 54.9 parts of plant fiber.
2）Ultra fine：By plant fiber with 50-55 DEG C of drying in drying box, drying time 8-15 minute, then
Fine crushing is carried out with pulverizer；
3）It is degerming：The plant fiber of fine is subjected to degerming, degerming time 30-50 minutes using ultraviolet；
4）Batch mixing：Plant fiber after fine, foaming agent, EVA particles, alkyd resin, glycerine and zinc oxide are put into
Uniformly mixed to stirred tank；
5）Constant temperature：Step 4）After be warming up to 70-90 DEG C, latex is slowly added to after constant temperature and is at the uniform velocity stirred；
6）Thermoplastic：Step 5）Prefoam processing is carried out in thermoplastic stove afterwards, warm temperature is 110 ~ 120 DEG C, heats 35 ~ 50 points
Clock, the volume of prefoam are 5-8 times of original volume；
7）Molding：It is molded using machinery, by 2-3 times of the volume compression of prefoam to original volume；At this time, have in mould evenly distributed
Stomata, stomatal frequency is 500000-1000000/m3;
8）Foaming：It is put into foaming machine and carries out heating foaming, form plate, warm temperature is 200 ~ 220 DEG C, heats 45 ~ 50 points
Clock, makes the chemical substance contained by its inside again serve to chemical reaction, in the foaming process, weight is constant, and volume is increased to
15 ~ 20 times of original volume；In foaming process, inert gas is uniformly poured, for the slow inflation of stomata, forms plate；
9）Cure：Plate after foaming is subjected to curing process through multistage curing oven, is shaped for stomata；
10）Cooling：It is cooled to room temperature；
11）Section：Shape and thickness by plate cutting into needs；
12）Cut：Plate after cutting is cut to required size and specification；
13）Punch forming：Stamping die punch forming will be utilized after plate both sides abdomen glue after reduction.
In resin glued membrane preimpregnated glass fibre cloth hot melt adhesive, and in the above-mentioned punch forming of glass fabric hot melt adhesive upper abdomen
Plate cures and vacuumizes to form ventilative degradable package plate, and stomatal frequency is about 950000/m3.
Embodiment 4
A kind of ventilative degradable package material and preparation method, include the following steps：
1）Weighing：20 parts of latex, 10 parts of foaming agent, 20 parts of EVA particles, 2 parts of alkyd resin, 1 part of glycerine, 1 part of zinc oxide, plants
46 parts of fibres.
2）Ultra fine：By plant fiber with 50-55 DEG C of drying in drying box, drying time 8-15 minute, then
Fine crushing is carried out with pulverizer；
3）It is degerming：The plant fiber of fine is subjected to degerming, degerming time 30-50 minutes using ultraviolet；
4）Batch mixing：Plant fiber after fine, foaming agent, EVA particles, alkyd resin, glycerine and zinc oxide are put into
Uniformly mixed to stirred tank；
5）Constant temperature：Step 4）After be warming up to 70-90 DEG C, latex is slowly added to after constant temperature and is at the uniform velocity stirred；
6）Thermoplastic：Step 5）Prefoam processing is carried out in thermoplastic stove afterwards, warm temperature is 110 ~ 120 DEG C, heats 35 ~ 50 points
Clock, the volume of prefoam are 5-8 times of original volume；
7）Molding：It is molded using machinery, by 2-3 times of the volume compression of prefoam to original volume；At this time, have in mould evenly distributed
Stomata, stomatal frequency is 500000-1000000/m3;
8）Foaming：It is put into foaming machine and carries out heating foaming, form plate, warm temperature is 200 ~ 220 DEG C, heats 45 ~ 50 points
Clock, makes the chemical substance contained by its inside again serve to chemical reaction, in the foaming process, weight is constant, and volume is increased to
15 ~ 20 times of original volume；In foaming process, inert gas is uniformly poured, for the slow inflation of stomata, forms plate；
9）Cure：Plate after foaming is subjected to curing process through multistage curing oven, is shaped for stomata；
10）Cooling：It is cooled to room temperature；
11）Section：Shape and thickness by plate cutting into needs；
12）Cut：Plate after cutting is cut to required size and specification；
13）Punch forming：Stamping die punch forming will be utilized after plate both sides abdomen glue after reduction.
In resin glued membrane preimpregnated glass fibre cloth hot melt adhesive, and in the above-mentioned punch forming of glass fabric hot melt adhesive upper abdomen
Plate cures and vacuumizes to form ventilative degradable package plate, and stomatal frequency is about 780000/m3.
From in the above embodiments, the component of embodiment 3 is optimal component.
The present invention's has following advantage：
First, the various performances such as biodegradation material wearability, toughness, rigidity and foaminess are significantly improved, with existing similar system
Condition ratio, its density have dropped 10%~20%, and cryogenic property drops to -50 degree by -10 degree, heat resistance improve 25% with
On, toughness improves more than 30%；
2nd, all biodegradation materials of raw material, can be complete in nature without polyolefine materials such as EPS, PE, PP, PVC
Degraded, it is free from environmental pollution, while again easy to recycle, can be widely used for disposable product, daily necessities, medical packaging, toy,
Membrane product and industrial goods amortizing packaging material, meet recycling economy requirement.
3rd, there is stomata, can be used for the packaging of requirement good ventilation product.
Above-described embodiment and non-limiting preparation method of the invention and application, any person of an ordinary skill in the technical field couple
Its appropriate change or modification for being made, all should be regarded as not departing from the scope of patent protection of the present invention.
Claims (9)
1. a kind of ventilative degradable package plate, it is characterised in that including composite foamed plate and be arranged on composite foamed plate
Resin glued membrane, it is by the resin glued membrane preimpregnated glass fibre cloth hot melt adhesive, and in the compound hair of glass fabric hot melt adhesive upper abdomen
Bubble plate cures and vacuumizes to be formed.
2. ventilative degradable package plate according to claim 1, it is characterised in that the composite foamed plate is by latex, plant
Fibres, foaming agent, EVA particles, alkyd resin, glycerine and zinc oxide through thermoplastic, molding, foaming, curing, cool down, cut
Piece, cut out and stamp is made.
3. a kind of ventilative degradable package material, it is characterised in that be made of in parts by weight following component：
15-20 parts of latex,
6-10 parts of foaming agent,
13-20 parts of EVA particles,
1-2 parts of alkyd resin,
0.5-1 parts of glycerine,
0.5-1 parts of zinc oxide
Surplus is plant fiber.
4. ventilative degradable package material according to claim 3, it is characterised in that the plant fiber for powdered rice hulls,
One or more combinations in wheat bran, sawdust.
5. ventilative degradable package material according to claim 3, it is characterised in that the foaming agent is two formyl of azo
Amine foaming agent.
6. a kind of ventilative degradable package material and preparation method, it is characterised in that include the following steps：
1）Weighing：Stock up according to described in claim 3；
2）Ultra fine：Plant fiber drying time 8-15 minute, is then used into powder in drying box with 50-55 DEG C of drying
Broken machine carries out fine crushing；
3）It is degerming：The plant fiber of fine is subjected to degerming, degerming time 30-50 minutes using ultraviolet；
4）Batch mixing：Plant fiber after fine, foaming agent, EVA particles, alkyd resin, glycerine and zinc oxide are put into
Uniformly mixed to stirred tank；
5）Constant temperature：Step 4）After be warming up to 70-90 DEG C, latex is slowly added to after constant temperature and is at the uniform velocity stirred；
6）Thermoplastic：Step 5）Prefoam processing is carried out in thermoplastic stove afterwards, warm temperature is 110 ~ 120 DEG C, heats 35 ~ 50 points
Clock, the volume of prefoam are 5-8 times of original volume；
7）Molding：It is molded using machinery, by 2-3 times of the volume compression of prefoam to original volume；At this time, have in mould evenly distributed
Stomata, stomatal frequency is 500000-1000000/m3;
8）Foaming：It is put into foaming machine and carries out heating foaming, form plate, warm temperature is 200 ~ 220 DEG C, heats 45 ~ 50 points
Clock, makes the chemical substance contained by its inside again serve to chemical reaction, in the foaming process, weight is constant, and volume is increased to
15 ~ 20 times of original volume；In foaming process, inert gas is uniformly poured, for the slow inflation of stomata, forms plate；
9）Cure：Plate after foaming is subjected to curing process through multistage curing oven, is shaped for stomata；
10）Cooling：It is cooled to room temperature；
11）Section：Shape and thickness by plate cutting into needs；
12）Cut：Plate after cutting is cut to required size and specification；
13）Punch forming：Stamping die punch forming will be utilized after plate both sides abdomen glue after reduction.
7. ventilative degradable package material according to claim 6 and preparation method, it is characterised in that in step 4）In,
The stir speed (S.S.) of stirred tank is 1000-1500 revs/min.
8. ventilative degradable package material according to claim 6 and preparation method, it is characterised in that in step 8）In,
Inert gas is argon gas.
9. ventilative degradable package material according to claim 6 and preparation method, it is characterised in that in step 9）In,
Curing uses three-stage curing oven, its first segment temperature is 120 ~ 130 DEG C, and second segment temperature is 100 ~ 110 DEG C, the 3rd section of temperature
For 80 ~ 90 DEG C.
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