CN108752830A - A kind of preparation method of skin carving expanded material - Google Patents
A kind of preparation method of skin carving expanded material Download PDFInfo
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- CN108752830A CN108752830A CN201810395145.4A CN201810395145A CN108752830A CN 108752830 A CN108752830 A CN 108752830A CN 201810395145 A CN201810395145 A CN 201810395145A CN 108752830 A CN108752830 A CN 108752830A
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- 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
- C08J9/12—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 physical blowing agent
- C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
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- 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
- C08J9/009—Use of pretreated compounding ingredients
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- 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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- 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
- C08J9/12—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 physical blowing agent
- C08J9/14—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 physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/06—CO2, N2 or noble gases
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
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- C08J2351/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2351/02—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to polysaccharides
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- 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
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
Abstract
The invention discloses the preparation methods that a kind of skin carves expanded material, and this method comprises the following steps：It is kneaded after foaming agent, crosslinking agent and blowing promotor is added in EVA resin, soluble starch grafting vinyl acetate co-polymer, modified attapulgite powder, modified meerschaum clay after mixing, it feeds the mixture into later and suppresses flakiness into double roller two-roll mill, it is put into after shredding and is coated in the mold of releasing agent in advance, module is put into vulcanizer after water evaporation is complete and carries out moulded from foam.This EVA products of the present invention, not only have the characteristics such as light and handy, heat-insulated, moisture-proof, the nontoxic, shock resistance of EVA expanded materials, but also the product one step foaming is molded, and avoids cumbersome manufacturing process, safer and science, the use scope for expanding EVA expanded materials, improves the performance of existing traditional expanded material, and comprehensive performance is preferable, preparation method is simple, production process is few, and required equipment investment is small, and production process is safe and environment-friendly.
Description
Technical field
The invention belongs to expanded material technical fields, and the preparation method of expanded material is carved more particularly to a kind of skin.
Background technology
Polymeric foamable material is a kind of gas/solid two-phase composite material by polymeric matrix and gas molecular composition.?
In this two-phase composite material, either using bubble as dispersed phase, polymer is continuous phase；Can also be bubble and polymer
It is continuous phase, concrete condition is determined by different connection types between bubble.Ethylene-vinyl acetate copolymer (EVA) is sent out
Foam material has many advantages, such as light specific gravity, softness, damping, nontoxic, chemical-resistant resistance, is widely used in the production of skin carving expanded material
In, as the use of light material, EVA expanded materials still remain yielding, and tear resistance is low, and resilience performance is not high enough equal to be lacked
It falls into, to limit its use so that developing density is low, and soft anti-seismic performance is insufficient.
Invention content
The purpose of the present invention is to provide the preparation methods that a kind of skin carves expanded material.
The present invention is achieved by the following technical solutions：
A kind of preparation method of skin carving expanded material, this method comprises the following steps：
S1, preconditioning mixer inner cavity temperature are vinyl acetate copolymerized by EVA resin, soluble starch grafting to 100 DEG C
Foaming agent, crosslinking agent and blowing promotor is added in object, modified attapulgite powder, modified meerschaum clay after mixing, is kneaded 10-
15min, banbury rotating speed 30rpm；
It is fed the mixture into after S2, mixing into double roller two-roll mill and is pressed into the thin slice of 0.5-0.8mm, it is cooling
Slide glass after to room temperature；
S3, mixing thin slice shred after be put into and be coated in the mold of releasing agent in advance, by module after water evaporation is complete
It is put into vulcanizer and carries out moulded from foam, wherein molding temperature is 150-160 DEG C, clamp time 800-900s, pressure 22-
30Mpa, release mode hopping are trimmed the expanded material prepared to expanded material corner.
Further, the EVA resin, soluble starch are grafted vinyl acetate co-polymer, modified attapulgite powder, change
The mass ratio 1 of property sepiolite clay：2.6-3.2：0.4-0.7：3.3-3.8.
Further, the crosslinking agent is that dual-tert-butyl cumene hydroperoxide, peroxidating are bis- (2,4- dichloro-benzoyl)
One or both of mixing.
Further, the foaming agent be carbon dioxide, azodicarbonamide, sodium bicarbonate, one kind in freon or
Two kinds of mixtures.
Further, the blowing promotor is one kind in butyl titanate or triallyl isocyanate.
Further, the method for modifying of the sepiolite includes the following steps：
S1-a, it is added in the three-necked flask of 500mL after mixing sepiolite clay and deionized water, solid-to-liquid ratio 1：22-
26, it is stirring evenly and then adding into didecyl Dimethy ammonium chloride, 80 DEG C of water-baths simultaneously stir 4h, cool down 45-48 DEG C at room temperature, filter
Reaction solution, in 90-95 DEG C of vacuum drying oven it is dry for 24 hours；
S2-a, the clay solid of drying is put into planetary ball mill grinding, rotating speed 160-180r/min crosses 120 mesh
Sieve obtains organically-modified sepiolite；
Further, the preparation method of the soluble starch grafting vinyl acetate co-polymer includes the following steps：
S1-b, by soluble starch and deionized water by solid-to-liquid ratio it is 1：16-18 is added into three-necked flask, stirs evenly
Afterwards 30min is gelatinized in 90 DEG C of oil bath pan；
S2-b, the soluble starch being gelatinized is cooled to 60 DEG C, initiator ammonium persulfate is added and reacts 12-18min, leads to
It crosses dropping funel and Vinyl Acetate Monomer is added dropwise, constant temperature is stirred to react 3h；
S3-b, obtained white graft copolymer emulsion is cooled to room temperature, suitable absolute ethyl alcohol precipitating, mistake is added
The soluble starch grafting vinyl acetate co-polymer that filter, drying obtain；
Further, the method for modifying of the concave convex rod includes the following steps：
S1-c, it attapulgite is crushed to be added in concentrated hydrochloric acid after sieving is acidified 160-180min, concave convex rod powder and dense salt
The solid-to-liquid ratio of acid is 1：12, take precipitation to be dried in vacuo after centrifugation；
S2-c, it is added in flask after mixing the concave convex rod powder after acidification with silane coupling agent KH-858, uses electric jacket
It is heated to isothermal reaction 3-4h after solution boils, stops heating, is cooled to room temperature；
S3-c, by also microwave 15min, microwave power 350w in micro-wave oven after modified concave convex rod mixed solution,
Centrifuging and taking precipitation vacuum drying.
The invention has the advantages that：
This EVA products of the present invention, not only have light and handy, heat-insulated, moisture-proof, nontoxic, shock resistance of EVA expanded materials etc.
Characteristic, and the product one step foaming is molded, and avoids cumbersome manufacturing process, and the use mesh of consumer can be met by making it more
, safer and science expands the use scope of EVA expanded materials, improves the usability of existing traditional expanded material
Can, comprehensive performance is preferable, and preparation method is simple, and production process is few, and required equipment investment is small, and production process is safe and environment-friendly.
Specific implementation mode
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
All other embodiment that art personnel are obtained without creative efforts belongs to the model that the present invention protects
It encloses.
Embodiment 1
A kind of preparation method of skin carving expanded material, this method comprises the following steps：
S1, preconditioning mixer inner cavity temperature are vinyl acetate copolymerized by EVA resin, soluble starch grafting to 100 DEG C
Object, modified attapulgite powder, modified meerschaum clay are according to mass ratio 1：2.6：0.4：3.3, double tertiary fourths are added after mixing
Base cumene hydroperoxide, carbon dioxide, butyl titanate are kneaded 10min, banbury rotating speed 30rpm；
It is fed the mixture into after S2, mixing into double roller two-roll mill and is pressed into the thin slice of 0.5mm, be cooled to room
Slide glass after temperature；
S3, mixing thin slice shred after be put into and be coated in the mold of releasing agent in advance, by module after water evaporation is complete
It is put into vulcanizer and carries out moulded from foam, wherein molding temperature is 150 DEG C, clamp time 800s, pressure 22Mpa, release
Mode hopping is trimmed the expanded material prepared to expanded material corner；
The method of modifying of the sepiolite includes the following steps：
S1-a, it is added in the three-necked flask of 500mL after mixing sepiolite clay and deionized water, solid-to-liquid ratio 1：22,
It is stirring evenly and then adding into didecyl Dimethy ammonium chloride, 80 DEG C of water-baths simultaneously stir 4h, cool down 45 DEG C at room temperature, filter reaction
Liquid, in 90 DEG C of vacuum drying ovens it is dry for 24 hours；
Preferably, the sepiolite clay is handled by acid heat；
S2-a, the clay solid of drying is put into planetary ball mill grinding, rotating speed 160r/min crosses 120 mesh and sieves
To organically-modified sepiolite；
The preparation method of the soluble starch grafting vinyl acetate co-polymer includes the following steps：
S1-b, by soluble starch and deionized water by solid-to-liquid ratio it is 1：16 are added into three-necked flask, after stirring evenly
It is gelatinized 30min in 90 DEG C of oil bath pan；
Preferably, condenser pipe and thermometer are housed in the three-necked flask；
S2-b, the soluble starch being gelatinized is cooled to 60 DEG C, initiator ammonium persulfate is added and reacts 12min, passes through
Vinyl Acetate Monomer is added dropwise in dropping funel, and constant temperature is stirred to react 3h；
S3-b, obtained white graft copolymer emulsion is cooled to room temperature, suitable absolute ethyl alcohol precipitating, mistake is added
The soluble starch grafting vinyl acetate co-polymer that filter, drying obtain；
The method of modifying of the concave convex rod includes the following steps：
S1-c, it attapulgite is crushed to be added in concentrated hydrochloric acid after sieving is acidified 160min, concave convex rod powder and concentrated hydrochloric acid
Solid-to-liquid ratio is 1：12, take precipitation to be dried in vacuo after centrifugation；
S2-c, it is added in flask after mixing the concave convex rod powder after acidification with silane coupling agent KH-858, uses electric jacket
It is heated to isothermal reaction 3h after solution boils, stops heating, is cooled to room temperature；
S3-c, by also microwave 15min, microwave power 350w in micro-wave oven after modified concave convex rod mixed solution,
Centrifuging and taking precipitation vacuum drying.
Embodiment 2
A kind of preparation method of skin carving expanded material, this method comprises the following steps：
S1, preconditioning mixer inner cavity temperature are vinyl acetate copolymerized by EVA resin, soluble starch grafting to 100 DEG C
Object, modified attapulgite powder, modified meerschaum clay are according to mass ratio 1：3.2：0.7：3.8, peroxidating is added after mixing
Bis- (2,4- dichloro-benzoyls), azodicarbonamide, sodium bicarbonate, triallyl isocyanate, are kneaded 15min, and mixer turns
Fast 30rpm；
It is fed the mixture into after S2, mixing into double roller two-roll mill and is pressed into the thin slice of 0.8mm, be cooled to room
Slide glass after temperature；
S3, mixing thin slice shred after be put into and be coated in the mold of releasing agent in advance, by module after water evaporation is complete
It is put into vulcanizer and carries out moulded from foam, wherein molding temperature is 160 DEG C, clamp time 900s, pressure 30Mpa, release
Mode hopping is trimmed the expanded material prepared to expanded material corner；
The method of modifying of the sepiolite includes the following steps：
S1-a, it is added in the three-necked flask of 500mL after mixing sepiolite clay and deionized water, solid-to-liquid ratio 1：26,
It is stirring evenly and then adding into didecyl Dimethy ammonium chloride, 80 DEG C of water-baths simultaneously stir 4h, cool down 48 DEG C at room temperature, filter reaction
Liquid, in 95 DEG C of vacuum drying ovens it is dry for 24 hours；
Preferably, the sepiolite clay is handled by acid heat；
S2-a, the clay solid of drying is put into planetary ball mill grinding, rotating speed 180r/min crosses 120 mesh and sieves
To organically-modified sepiolite；
The preparation method of the soluble starch grafting vinyl acetate co-polymer includes the following steps：
S1-b, by soluble starch and deionized water by solid-to-liquid ratio it is 1：18 are added into three-necked flask, after stirring evenly
It is gelatinized 30min in 90 DEG C of oil bath pan；
Preferably, condenser pipe and thermometer are housed in the three-necked flask；
S2-b, the soluble starch being gelatinized is cooled to 60 DEG C, initiator ammonium persulfate is added and reacts 18min, passes through
Vinyl Acetate Monomer is added dropwise in dropping funel, and constant temperature is stirred to react 3h；
S3-b, obtained white graft copolymer emulsion is cooled to room temperature, suitable absolute ethyl alcohol precipitating, mistake is added
The soluble starch grafting vinyl acetate co-polymer that filter, drying obtain；
The method of modifying of the concave convex rod includes the following steps：
S1-c, it attapulgite is crushed to be added in concentrated hydrochloric acid after sieving is acidified 180min, concave convex rod powder and concentrated hydrochloric acid
Solid-to-liquid ratio is 1：12, take precipitation to be dried in vacuo after centrifugation；
S2-c, it is added in flask after mixing the concave convex rod powder after acidification with silane coupling agent KH-858, uses electric jacket
It is heated to isothermal reaction 4h after solution boils, stops heating, is cooled to room temperature；
S3-c, by also microwave 15min, microwave power 350w in micro-wave oven after modified concave convex rod mixed solution,
Centrifuging and taking precipitation vacuum drying.
Embodiment 3
A kind of preparation method of skin carving expanded material, this method comprises the following steps：
S1, preconditioning mixer inner cavity temperature are vinyl acetate copolymerized by EVA resin, soluble starch grafting to 100 DEG C
Object, modified attapulgite powder, modified meerschaum clay are according to mass ratio 1：2.9：0.6：3.5, double tertiary fourths are added after mixing
Base cumene hydroperoxide, peroxidating bis- (2,4- dichloro-benzoyls), freon, triallyl isocyanate are kneaded 10-
15min, banbury rotating speed 30rpm；
It is fed the mixture into after S2, mixing into double roller two-roll mill and is pressed into the thin slice of 0.6mm, be cooled to room
Slide glass after temperature；
S3, mixing thin slice shred after be put into and be coated in the mold of releasing agent in advance, by module after water evaporation is complete
It is put into vulcanizer and carries out moulded from foam, wherein molding temperature is 155 DEG C, clamp time 850s, pressure 26Mpa, release
Mode hopping is trimmed the expanded material prepared to expanded material corner；
The method of modifying of the sepiolite includes the following steps：
S1-a, it is added in the three-necked flask of 500mL after mixing sepiolite clay and deionized water, solid-to-liquid ratio 1：24,
It is stirring evenly and then adding into didecyl Dimethy ammonium chloride, 80 DEG C of water-baths simultaneously stir 4h, cool down 46 DEG C at room temperature, filter reaction
Liquid, in 93 DEG C of vacuum drying ovens it is dry for 24 hours；
Preferably, the sepiolite clay is handled by acid heat；
S2-a, the clay solid of drying is put into planetary ball mill grinding, rotating speed 170r/min crosses 120 mesh and sieves
To organically-modified sepiolite；
The preparation method of the soluble starch grafting vinyl acetate co-polymer includes the following steps：
S1-b, by soluble starch and deionized water by solid-to-liquid ratio it is 1：17 are added into three-necked flask, after stirring evenly
It is gelatinized 30min in 90 DEG C of oil bath pan；
Preferably, condenser pipe and thermometer are housed in the three-necked flask；
S2-b, the soluble starch being gelatinized is cooled to 60 DEG C, initiator ammonium persulfate is added and reacts 16min, passes through
Vinyl Acetate Monomer is added dropwise in dropping funel, and constant temperature is stirred to react 3h；
S3-b, obtained white graft copolymer emulsion is cooled to room temperature, suitable absolute ethyl alcohol precipitating, mistake is added
The soluble starch grafting vinyl acetate co-polymer that filter, drying obtain；
The method of modifying of the concave convex rod includes the following steps：
S1-c, it attapulgite is crushed to be added in concentrated hydrochloric acid after sieving is acidified 170min, concave convex rod powder and concentrated hydrochloric acid
Solid-to-liquid ratio is 1：12, take precipitation to be dried in vacuo after centrifugation；
S2-c, it is added in flask after mixing the concave convex rod powder after acidification with silane coupling agent KH-858, uses electric jacket
It is heated to isothermal reaction 3.5h after solution boils, stops heating, is cooled to room temperature；
S3-c, by also microwave 15min, microwave power 350w in micro-wave oven after modified concave convex rod mixed solution,
Centrifuging and taking precipitation vacuum drying.
Above content is only citing made for the present invention and explanation, affiliated those skilled in the art are to being retouched
The specific embodiment stated does various modifications or additions or substitutes by a similar method, without departing from invention or surpasses
More range defined in the claims, is within the scope of protection of the invention.
Claims (8)
1. a kind of preparation method of skin carving expanded material, which is characterized in that this method comprises the following steps：
S1, preconditioning mixer inner cavity temperature to 100 DEG C, by EVA resin, soluble starch grafting vinyl acetate co-polymer,
Foaming agent, crosslinking agent and blowing promotor is added in modified attapulgite powder, modified meerschaum clay after mixing, is kneaded 10-
15min, banbury rotating speed 30rpm；
It is fed the mixture into after S2, mixing into double roller two-roll mill and is pressed into the thin slice of 0.5-0.8mm, be cooled to room
Slide glass after temperature；
S3, mixing thin slice shred after be put into and be coated in the mold of releasing agent in advance, module is put into after water evaporation is complete
Moulded from foam is carried out in vulcanizer, wherein molding temperature is 150-160 DEG C, clamp time 800-900s, pressure 22-
30Mpa, release mode hopping are trimmed the expanded material prepared to expanded material corner.
2. a kind of preparation method of skin carving expanded material according to claim 1, which is characterized in that the EVA resin, can
Soluble starch is grafted the mass ratio 1 of vinyl acetate co-polymer, modified attapulgite powder, modified meerschaum clay：2.6-3.2：
0.4-0.7：3.3-3.8.
3. a kind of preparation method of skin carving expanded material according to claim 1, it is characterised in that：The crosslinking agent is double
One or both of t-butylperoxyisopropyl benzene, peroxidating bis- (2,4- dichloro-benzoyls) mix.
4. a kind of preparation method of skin carving expanded material according to claim 1, it is characterised in that：The foaming agent is two
One or both of carbonoxide, azodicarbonamide, sodium bicarbonate, freon mixture.
5. a kind of preparation method of skin carving expanded material according to claim 1, it is characterised in that：The blowing promotor is
One kind in butyl titanate or triallyl isocyanate.
6. a kind of preparation method of skin carving expanded material according to claim 1, which is characterized in that the sepiolite changes
Property method includes the following steps：
S1-a, it is added in the three-necked flask of 500mL after mixing sepiolite clay and deionized water, solid-to-liquid ratio 1：22-26 is stirred
Didecyl Dimethy ammonium chloride is added after mixing uniformly, 80 DEG C of water-baths simultaneously stir 4h, cool down 45-48 DEG C at room temperature, filter reaction
Liquid, in 90-95 DEG C of vacuum drying oven it is dry for 24 hours；
S2-a, the clay solid of drying is put into planetary ball mill grinding, rotating speed 160-180r/min crosses 120 mesh and sieves
To organically-modified sepiolite.
7. a kind of preparation method of skin carving expanded material according to claim 1, which is characterized in that the soluble starch
The preparation method of grafting vinyl acetate co-polymer includes the following steps：
S1-b, by soluble starch and deionized water by solid-to-liquid ratio it is 1：16-18 is added into three-necked flask, after stirring evenly in
It is gelatinized 30min in 90 DEG C of oil bath pan；
S2-b, the soluble starch being gelatinized is cooled to 60 DEG C, initiator ammonium persulfate is added and reacts 12-18min, passes through drop
Vinyl Acetate Monomer is added dropwise in liquid funnel, and constant temperature is stirred to react 3h；
S3-b, obtained white graft copolymer emulsion is cooled to room temperature, suitable absolute ethyl alcohol precipitating, filtering, baking is added
Dry obtained soluble starch grafting vinyl acetate co-polymer.
8. a kind of preparation method of skin carving expanded material according to claim 1, which is characterized in that the concave convex rod changes
Property method includes the following steps：
S1-c, it attapulgite is crushed to be added in concentrated hydrochloric acid after sieving is acidified 160-180min, concave convex rod powder and concentrated hydrochloric acid
Solid-to-liquid ratio is 1：12, take precipitation to be dried in vacuo after centrifugation；
S2-c, it is added in flask after mixing the concave convex rod powder after acidification with silane coupling agent KH-858, is heated with electric jacket
Isothermal reaction 3-4h after boiling to solution stops heating, is cooled to room temperature；
S3-c, by also microwave 15min, microwave power 350w in micro-wave oven after modified concave convex rod mixed solution, centrifugation
Precipitation is taken to be dried in vacuo.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4506037A (en) * | 1983-03-23 | 1985-03-19 | Chuo Kagaku Co., Ltd. | Production of resin foam by aqueous medium |
| CN102134349A (en) * | 2011-02-23 | 2011-07-27 | 安踏（中国）有限公司 | EVA material for sneaker sole and preparation method thereof |
| CN105255085A (en) * | 2015-11-23 | 2016-01-20 | 宁波尚高新材料有限公司 | Oxidized graphene foam material and preparation method thereof |
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2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4506037A (en) * | 1983-03-23 | 1985-03-19 | Chuo Kagaku Co., Ltd. | Production of resin foam by aqueous medium |
| CN102134349A (en) * | 2011-02-23 | 2011-07-27 | 安踏（中国）有限公司 | EVA material for sneaker sole and preparation method thereof |
| CN105255085A (en) * | 2015-11-23 | 2016-01-20 | 宁波尚高新材料有限公司 | Oxidized graphene foam material and preparation method thereof |
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