CN107163173A - A kind of preparation method of amorphous polymer fretting map plate - Google Patents

A kind of preparation method of amorphous polymer fretting map plate Download PDF

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CN107163173A
CN107163173A CN201710338657.2A CN201710338657A CN107163173A CN 107163173 A CN107163173 A CN 107163173A CN 201710338657 A CN201710338657 A CN 201710338657A CN 107163173 A CN107163173 A CN 107163173A
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amorphous polymer
fretting map
polymerization
map plate
preparation
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CN107163173B (en
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袁新强
艾桃桃
冯小明
董金虎
盛爱香
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Shaanxi University of Technology
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F120/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F120/10—Esters
    • C08F120/12—Esters of monohydric alcohols or phenols
    • C08F120/14—Methyl esters, e.g. methyl (meth)acrylate
    • 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
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10—Homopolymers or copolymers of methacrylic acid esters
    • C08L33/12—Homopolymers or copolymers of methyl methacrylate
    • 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
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
    • C08J2333/12—Homopolymers or copolymers of methyl methacrylate
    • 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
    • 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
    • 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
    • C08J2425/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2425/02—Homopolymers or copolymers of hydrocarbons
    • C08J2425/04—Homopolymers or copolymers of styrene
    • C08J2425/06—Polystyrene
    • 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
    • C08J2425/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2425/02—Homopolymers or copolymers of hydrocarbons
    • C08J2425/04—Homopolymers or copolymers of styrene
    • C08J2425/08—Copolymers of styrene
    • C08J2425/12—Copolymers of styrene with unsaturated nitriles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/14—Applications used for foams

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a kind of preparation method of amorphous polymer fretting map plate, including：1) expandable amorphous polymer is prepared using cold polymerization technique：1a) amorphous polymer powder dissolves；1b) cold polymerization agent is allocated；1c) mixing degassing；1d) model is cast；1e) Cryogenic air bath pre-polymerization gathers with rear；1f) fastening of model surrounding with relaxing up and down；2) the negative pressure fretting map shaping of expandable amorphous polymer, is made amorphous polymer fretting map plate.Amorphous polymer fretting map plate prepared by the present invention, traditional amorphous polymer fretting map plate can be avoided to prepare hypertonia during shaping, there are problems that surface quality, energy consumption and, for a kind of pressure requirements are not high, environmental pollution is small, energy consumption is low and surface quality is high, equipment investment is few and engineer applied is feasible, it is particularly suitable for the preparation method of the amorphous polymer fretting map plate of high added value recycling waste or used plastics.

Description

A kind of preparation method of amorphous polymer fretting map plate
Technical field
The present invention relates to the fretting map forming technique of amorphous polymer, more particularly to a kind of amorphous polymer fretting map Plate and preparation method thereof, belongs to polymer fretting map field.
Background technology
Most early in the 1950s, O.R.Mclntire and J.Lamos have found that the pore size of polymer, 20 generation Record the eighties, the Massachusetts Institute of Technology proposes the concept of polymer fretting map.Because this polymer fretting map product had both been maintained The original mechanical property of polymer, alleviates the weight of product again, and also effectively prevent that product occurs in forming process is each Defect problem is planted, the exploitation of its forming technique receives much concern with application, many leading companys such as U.S. Trexel, Japan Sekisui The practical application exploitation that the company such as Plastics of Tokyo and Canada Eregel all has been working on the technology is pushed away with commercialization Extensively.In theory, nearly all polymer can all produce polymer fretting map product, polymer fretting map material using the technology Material has been described as " 21 century new material ", and its forming process is usually to mix polymer and foaming agent through saturation, is added Plus foaming agent separates out into complex, then complex is grown up shaping.In this method forming process pressure P be generally tens, it is up to a hundred even Hundreds of atmospheric pressure, pressure is very high, harsh to equipment requirement, and there are problems that surface quality, energy consumption and, industry Change application limited.Application is concentrated mainly on the field such as automobile and interior material, electric equipment products, curable product at present. Therefore, on polymer fretting map industrialization road be badly in need of exploitation it is a kind of it is not high to pressure requirements, environmental pollution is small, energy consumption is low and table The high forming technique of face quality.
The content of the invention
A kind of technique is simple, mild condition, with low cost, equipment it is intended that amorphous polymer is provided for the purpose of the present invention Less investment and the feasible fretting map forming technique of engineer applied.
The present invention is realized by following technical proposals.
A kind of preparation method of amorphous polymer fretting map plate, comprises the steps：
1) cold polymerization technique prepares expandable amorphous polymer：
1a) amorphous polymer powder dissolves：With 100 parts of methyl methacrylates dissolve 0.05-0.2 parts of initiators, 1-5 parts Azodiisobutyronitrile and 6-50 parts of amorphous polymers, be prepared into the polymer solution A of methyl methacrylate；
1b) cold polymerization agent is allocated:20-50 parts of trimethylamines are dissolved with 100 parts of methyl methacrylates, cold polymerization agent is made B；
1c) mixing degassing：By step 1a) made from polymer solution A with and step 1b) made from cold polymerization agent B according to 100：(0.1-1) mass ratio is well mixed, and vacuum defoamation after filtering obtains slurry C of being in the milk；
1d) model is cast:By step 1c) obtained grouting slurry C, pour into chilled glass die, after compacting, exhaust Corrected with chi bar, upper clamper；
1e) Cryogenic air bath pre-polymerization gathers with rear：By step 1d) made from model deliver in the drying room with wind circulating system, Take out, cool down after pre-polymerization；Gather after being delivered to again after compacting, exhaust, the correction of chi bar, upper clamper in the drying room with wind circulating system Continue to take out after stage feeding polymerization, cool down；
1f) fastening of model surrounding with relaxing up and down：It is tight with steel bar by pre-polymerization model surrounding poly- with after is bathed through Cryogenic air Gu；Chi bar is corrected, release clamp；
2) the negative pressure fretting map shaping of expandable amorphous polymer
By step 1f) model is placed in vacuum drying oven, foams under the vacuum pressures, and amorphous polymer fretting map is made Plate.
Preferably, the initiator is one or both of dibenzoyl peroxide or dilauroyl peroxide Mixture pellet.
Preferably, the copolymer is polymethyl methacrylate, polystyrene, styrene-acrylonitrile copolymerization The mixture powder of one or more of compositions in thing or ethylene-vinyl acetate copolymer.
Preferably, the trimethylamine is DMA, N, N- dihydroxyethyl p-toluidines or N, N- It is one or more of in dihydroxypropyl para-totuidine.
Preferably, the step 1) -1e) in Cryogenic air bath pre-polymerization and rear collecting process, in 40-50 DEG C of band circulation In the drying room of wind system, taken out after pre-polymerization 40-60min, then rear poly- 2-4h, 40- in the 20-30 DEG C of drying room with wind circulating system 50 DEG C are continued to polymerize 1-2h.
Preferably, the step 2) in, model is placed in 110-160 DEG C of vacuum drying oven, in 0.01-0.09MPa Pressure lower frothing 1-4h.
Relative to prior art, the technology of the present invention technique is simple, mild condition, with low cost, equipment investment are few and engineering Using feasible, it is particularly suitable for high added value recycling waste or used plastics, meets national 13 science and technology development planning requirements, Effective solution route is provided to alleviate global energy crisis.
Embodiment
With reference to embodiment, the invention will be described in further detail, but be not intended as to invention do any limitation according to According to.
The preparation method of amorphous polymer fretting map plate of the present invention, comprises the steps：
1) cold polymerization technique prepares expandable amorphous polymer：
1a) amorphous polymer powder dissolves：0.05-0.2 parts are dissolved by diphenyl peroxide with 100 parts of methyl methacrylates One or both of formyl, dilauroyl peroxide composition mixture pellet initiator, 1-5 parts of azodiisobutyronitrile and 6-50 parts in polymethyl methacrylate, polystyrene, SAN, ethylene-vinyl acetate copolymer One or more of compositions mixture powder amorphous polymers, be prepared into the polymer solution A of methyl methacrylate；
1b) cold polymerization agent is allocated:20-50 parts are dissolved by DMA, N, N- with 100 parts of methyl methacrylates The mixing trimethylamine of one or more of compositions in dihydroxyethyl p-toluidine, N, N- dihydroxypropyl para-totuidine, is made cold poly- Mixture B；
1c) mixing degassing：By step 1a) made from polymer solution A with and step 1b) made from cold polymerization agent B according to 100：(0.1-1) mass ratio is well mixed, and vacuum defoamation after filtering obtains slurry C of being in the milk；
1d) model is cast:By step 1c) obtained grouting slurry C, pour into chilled glass die, after compacting, exhaust Corrected with chi bar, upper clamper；
1e) Cryogenic air bath pre-polymerization gathers with rear：By step 1d) made from model deliver to 40-50 DEG C with wind circulating system In drying room, take out, cool down after pre-polymerization 40-60min；Again 20-30 DEG C of band is delivered to after compacting, exhaust, the correction of chi bar, upper clamper Poly- 2-4h after in the drying room of wind circulating system, 40-50 DEG C is continued to polymerize taking-up after 1-2h, cooling；
1f) fastening of model surrounding with relaxing up and down：It is tight with steel bar by pre-polymerization model surrounding poly- with after is bathed through Cryogenic air Gu；Chi bar is corrected, release clamp；
2) the negative pressure fretting map shaping of expandable amorphous polymer
By step 1f) model is placed in 110-160 DEG C of vacuum drying oven, in 0.01-0.09MPa pressure lower frothing 1-4h, system Obtain amorphous polymer fretting map plate.
Specific embodiment is given below to further illustrate the present invention.
Embodiment 1
1) cold polymerization technique prepares expandable amorphous polymer：
1a) amorphous polymer powder dissolves：0.1 part of dibenzoyl peroxide, 3 are dissolved with 100 parts of methyl methacrylates Part azodiisobutyronitrile and 30 parts of SANs, are prepared into the polymer solution A of methyl methacrylate；
1b) cold polymerization agent is allocated:40 parts of N, N- dihydroxyethyl p-toluidines, system are dissolved with 100 parts of methyl methacrylates Obtain cold polymerization agent B；
1c) mixing degassing：By polymer solution A with and cold polymerization agent B according to 100：0.5 mass ratio is well mixed, and is passed through Vacuum defoamation obtains slurry C of being in the milk after filter；
1d) model is cast:To be in the milk slurry C, be poured into chilled glass die, be corrected after compacting, exhaust with chi bar, on Clamper；
1e) Cryogenic air bath pre-polymerization gathers with rear：Model is delivered in 50 DEG C of drying rooms with wind circulating system, pre-polymerization 50min Take out, cool down afterwards；Gather after being delivered to again after compacting, exhaust, the correction of chi bar, upper clamper in 20 DEG C of drying rooms with wind circulating system 4h, 45 DEG C are continued to polymerize taking-up after 1h, cooling；
1f) fastening of model surrounding with relaxing up and down：Model surrounding is fastened with steel bar；Chi bar is corrected, release clamp；
2) the negative pressure fretting map shaping of expandable amorphous polymer：
By step 1f) model is placed in 120 DEG C of vacuum drying ovens, and in 0.09MPa pressure lower frothing 3h, amorphous state polymerization is made Thing fretting map plate.
Embodiment 2
1) cold polymerization technique prepares expandable amorphous polymer：
1a) amorphous polymer powder dissolves：0.05 part is dissolved by the bay of peroxidating two with 100 parts of methyl methacrylates Acyl, 5 parts of azodiisobutyronitrile and 50 parts of polymethyl methacrylates, are prepared into the polymer solution A of methyl methacrylate；
1b) cold polymerization agent is allocated:20 parts of DMAs and N, N- bis- are dissolved with 100 parts of methyl methacrylates Hydroxypropyl para-totuidine is according to 1:The mixing trimethylamine of 1 volume ratio, is made cold polymerization agent B；
1c) mixing degassing：By polymer solution A and cold polymerization agent B according to 100：0.1 mass ratio is well mixed, through filtering Vacuum defoamation obtains slurry C of being in the milk afterwards；
1d) model is cast:To be in the milk slurry C, be poured into chilled glass die, be corrected after compacting, exhaust with chi bar, on Clamper；
1e) Cryogenic air bath pre-polymerization gathers with rear：Model is delivered in 40 DEG C of drying rooms with wind circulating system, pre-polymerization 40min Take out, cool down afterwards；Gather after being delivered to again after compacting, exhaust, the correction of chi bar, upper clamper in 30 DEG C of drying rooms with wind circulating system 2h, 50 DEG C are continued to polymerize taking-up after 1h, cooling；
1f) fastening of model surrounding with relaxing up and down：It is tight with steel bar by pre-polymerization model surrounding poly- with after is bathed through Cryogenic air Gu；Chi bar is corrected, release clamp；
2) the negative pressure fretting map shaping of expandable amorphous polymer
By step 1f) model is placed in 160 DEG C of vacuum drying ovens, and in 0.01MPa pressure lower frothing 1h, amorphous state polymerization is made Thing fretting map plate.
Embodiment 3
1) cold polymerization technique prepares expandable amorphous polymer：
1a) amorphous polymer powder dissolves：With 100 parts of methyl methacrylates dissolve 0.2 part by dibenzoyl peroxide, Mixture pellet initiator, 1 part of azodiisobutyronitrile and the 6 parts of polyphenyl of one or both of dilauroyl peroxide composition The mixture powder of ethene, ethylene-vinyl acetate copolymer, is prepared into the polymer solution A of methyl methacrylate；
1b) cold polymerization agent is allocated:50 parts of DMAs are dissolved with 100 parts of methyl methacrylates, are made cold poly- Mixture B；
1c) mixing degassing：By polymer solution A and cold polymerization agent B according to 100：1 mass ratio is well mixed, after filtering Vacuum defoamation obtains slurry C of being in the milk；
1d) model is cast:To be in the milk slurry C, be poured into chilled glass die, be corrected after compacting, exhaust with chi bar, on Clamper；
1e) Cryogenic air bath pre-polymerization gathers with rear：Model is delivered in 40 DEG C of drying rooms with wind circulating system, pre-polymerization 60min Take out, cool down afterwards；Gather after being delivered to again after compacting, exhaust, the correction of chi bar, upper clamper in 25 DEG C of drying rooms with wind circulating system 3h, 40 DEG C are continued to polymerize taking-up after 2h, cooling；
1f) fastening of model surrounding with relaxing up and down：It is tight with steel bar by pre-polymerization model surrounding poly- with after is bathed through Cryogenic air Gu；Chi bar is corrected, release clamp；
2) the negative pressure fretting map shaping of expandable amorphous polymer
By step 1f) model is placed in 110 DEG C of vacuum drying ovens, and in 0.09MPa pressure lower frothing 4h, amorphous state polymerization is made Thing fretting map plate.
Amorphous polymer fretting map plate prepared by the present invention, can avoid traditional amorphous polymer fretting map plate from preparing Hypertonia in forming process, there are problems that surface quality, energy consumption and, be that a kind of pressure requirements are high, environment The small, energy consumption of pollution is low and surface quality is high, equipment investment is few and engineer applied is feasible, is particularly suitable for high added value recycling The preparation method of the amorphous polymer fretting map plate of waste or used plastics.
The invention is not limited in above-described embodiment, on the basis of technical scheme disclosed by the invention, the skill of this area Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour just can make one to some of which technical characteristic A little to replace and deform, these are replaced and deformed within the scope of the present invention.

Claims (6)

1. a kind of preparation method of amorphous polymer fretting map plate, it is characterised in that comprise the steps：
1) cold polymerization technique prepares expandable amorphous polymer：
1a) amorphous polymer powder dissolves：0.05-0.2 parts of initiators, 1-5 parts of idols are dissolved with 100 parts of methyl methacrylates Nitrogen bis-isobutyronitrile and 6-50 parts of amorphous polymers, are prepared into the polymer solution A of methyl methacrylate；
1b) cold polymerization agent is allocated:20-50 parts of trimethylamines are dissolved with 100 parts of methyl methacrylates, cold polymerization agent B is made；
1c) mixing degassing：By step 1a) made from polymer solution A with and step 1b) made from cold polymerization agent B according to 100： (0.1-1) mass ratio is well mixed, and vacuum defoamation after filtering obtains slurry C of being in the milk；
1d) model is cast:By step 1c) obtained grouting slurry C, pour into chilled glass die, chi is used after compacting, exhaust Bar is corrected, upper clamper；
1e) Cryogenic air bath pre-polymerization gathers with rear：By step 1d) made from model deliver in the drying room with wind circulating system, pre-polymerization Take out, cool down afterwards；Continue to divide after delivering in the drying room with wind circulating system after compacting, exhaust, the correction of chi bar, upper clamper again Take out, cool down after Duan Juhe；
1f) fastening of model surrounding with relaxing up and down：Fastened pre-polymerization model surrounding poly- with after is bathed through Cryogenic air with steel bar；Chi Bar is corrected, release clamp；
2) the negative pressure fretting map shaping of expandable amorphous polymer
By step 1f) model is placed in vacuum drying oven, foams under the vacuum pressures, and amorphous polymer fretting map plate is made.
2. the preparation method of a kind of amorphous polymer fretting map plate according to claim 1, it is characterised in that described to draw Hair agent is one or both of dibenzoyl peroxide or dilauroyl peroxide mixture pellet.
3. the preparation method of a kind of amorphous polymer fretting map plate according to claim 1, it is characterised in that described non- Crystalline state polymer is that polymethyl methacrylate, polystyrene, SAN or ethylene-vinyl acetate are common The mixture powder of one or more of compositions in polymers.
4. the preparation method of a kind of amorphous polymer fretting map plate according to claim 1, it is characterised in that described to have Machine tertiary amine is DMA, N, a kind of or several in N- dihydroxyethyl p-toluidines or N, N- dihydroxypropyl para-totuidine Kind.
5. a kind of preparation method of amorphous polymer fretting map plate according to claim 1, it is characterised in that the step Rapid 1) -1e) in Cryogenic air bath pre-polymerization and rear collecting process, in the 40-50 DEG C of drying room with wind circulating system, pre-polymerization 40-60min After take out, then in the 20-30 DEG C of drying room with wind circulating system after poly- 2-4h, 40-50 DEG C continue polymerize 1-2h.
6. a kind of preparation method of amorphous polymer fretting map plate according to claim 1, it is characterised in that the step It is rapid 2) in, model is placed in 110-160 DEG C of vacuum drying oven, in 0.01-0.09MPa pressure lower frothings 1-4h.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108773136A (en) * 2018-08-28 2018-11-09 陕西理工大学 A kind of preparation method of light thermal-insulation inner wall of building decorative panel

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CN101749521A (en) * 2008-12-12 2010-06-23 北京化工大学 Closed hole-shaped vacuum foam for heat insulation and sound insulation and method for preparing same
CN105237673A (en) * 2015-10-19 2016-01-13 陕西理工学院 Method for casting PMMA board under room temperature polymerization condition and spraying polymerization device
CN105315595A (en) * 2015-11-17 2016-02-10 陕西理工学院 Waste plastic recycling method
CN106566156A (en) * 2016-11-02 2017-04-19 武汉理工大学 Preparation method of graphene nanobelt/PMMA microcellular foam nanocomposite

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101749521A (en) * 2008-12-12 2010-06-23 北京化工大学 Closed hole-shaped vacuum foam for heat insulation and sound insulation and method for preparing same
CN105237673A (en) * 2015-10-19 2016-01-13 陕西理工学院 Method for casting PMMA board under room temperature polymerization condition and spraying polymerization device
CN105315595A (en) * 2015-11-17 2016-02-10 陕西理工学院 Waste plastic recycling method
CN106566156A (en) * 2016-11-02 2017-04-19 武汉理工大学 Preparation method of graphene nanobelt/PMMA microcellular foam nanocomposite

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108773136A (en) * 2018-08-28 2018-11-09 陕西理工大学 A kind of preparation method of light thermal-insulation inner wall of building decorative panel
CN108773136B (en) * 2018-08-28 2020-06-09 陕西理工大学 Preparation method of light heat-insulation building interior wall decorative plate

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