CN108299670A - Form composition and the polymer foams and preparation method thereof of thermoplastic polymer foam - Google Patents
Form composition and the polymer foams and preparation method thereof of thermoplastic polymer foam Download PDFInfo
- Publication number
- CN108299670A CN108299670A CN201710022490.9A CN201710022490A CN108299670A CN 108299670 A CN108299670 A CN 108299670A CN 201710022490 A CN201710022490 A CN 201710022490A CN 108299670 A CN108299670 A CN 108299670A
- Authority
- CN
- China
- Prior art keywords
- weight
- agent
- content
- composition
- infrared barrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000006260 foam Substances 0.000 title claims abstract description 67
- 239000000203 mixture Substances 0.000 title claims abstract description 58
- 229920000642 polymer Polymers 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 15
- 239000004088 foaming agent Substances 0.000 claims abstract description 63
- 239000010439 graphite Substances 0.000 claims abstract description 40
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 40
- 239000002667 nucleating agent Substances 0.000 claims abstract description 35
- 239000012754 barrier agent Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002861 polymer material Substances 0.000 claims abstract description 25
- 239000000378 calcium silicate Substances 0.000 claims abstract description 23
- 229910052918 calcium silicate Inorganic materials 0.000 claims abstract description 23
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 20
- 239000004793 Polystyrene Substances 0.000 claims description 19
- 238000005187 foaming Methods 0.000 claims description 19
- 229920002223 polystyrene Polymers 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- -1 polyethylene terephthalate Polymers 0.000 claims description 8
- 239000012752 auxiliary agent Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 5
- 239000000969 carrier Substances 0.000 claims description 4
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 230000006911 nucleation Effects 0.000 claims description 2
- 238000010899 nucleation Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims 2
- 150000001993 dienes Chemical class 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 11
- 239000002360 explosive Substances 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 4
- 235000012241 calcium silicate Nutrition 0.000 description 21
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 239000003063 flame retardant Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- 206010000269 abscess Diseases 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- 235000013844 butane Nutrition 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- WXGNWUVNYMJENI-UHFFFAOYSA-N 1,1,2,2-tetrafluoroethane Chemical compound FC(F)C(F)F WXGNWUVNYMJENI-UHFFFAOYSA-N 0.000 description 2
- DEIGXXQKDWULML-UHFFFAOYSA-N 1,2,5,6,9,10-hexabromocyclododecane Chemical compound BrC1CCC(Br)C(Br)CCC(Br)C(Br)CCC1Br DEIGXXQKDWULML-UHFFFAOYSA-N 0.000 description 2
- BHNZEZWIUMJCGF-UHFFFAOYSA-N 1-chloro-1,1-difluoroethane Chemical compound CC(F)(F)Cl BHNZEZWIUMJCGF-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000001273 butane Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920005990 polystyrene resin Polymers 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- NPNPZTNLOVBDOC-UHFFFAOYSA-N 1,1-difluoroethane Chemical compound CC(F)F NPNPZTNLOVBDOC-UHFFFAOYSA-N 0.000 description 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N 1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid Chemical compound C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 239000012963 UV stabilizer Substances 0.000 description 1
- JHXCINJSAAFBDH-UHFFFAOYSA-N [Ca].O[Si](O)(O)O Chemical compound [Ca].O[Si](O)(O)O JHXCINJSAAFBDH-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
Classifications
-
- 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
- C08J9/12—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
-
- 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
- C08J9/08—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 carbon dioxide
-
- 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
- C08J9/12—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
- C08J9/146—Halogen containing compounds containing carbon, halogen and hydrogen only only fluorine as halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/02—Halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- 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
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
-
- 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
- C08J2203/06—CO2, N2 or noble gases
-
- 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
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
-
- 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
- C08J2203/20—Ternary blends of expanding agents
- C08J2203/204—Ternary blends of expanding agents of chemical foaming agent and physical blowing agents
-
- 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
- C08J2325/00—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
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
Landscapes
- 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)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The present invention relates to foam thermal insulation products, disclose a kind of composition and polymer foams and preparation method thereof forming thermoplastic polymer foam, the composition contains expandable polymer material, foaming agent, nucleating agent and infrared barrier agent, wherein the foaming agent is CO2, water and 1, the combination of 1,1,2 tetrafluoroethane, the nucleating agent contains active calcium silicate, and the infrared barrier agent is preferably nano-graphite.The present invention uses CO2, water and 1,1,1, under the premise of the combined foaming agent of 2 tetrafluoroethane, and the composition for being aided with active calcium silicate and preferred infrared barrier agent nano-graphite can reduce the inflammable and explosive problem in Foam machining and use, the polymer foams of preparation have high thermal insulation, high pressure resistance energy and high-dimensional stability.
Description
Technical field
The present invention relates to foam thermal insulation products, and in particular, to a kind of composition forming thermoplastic polymer foam, with
And the polymer foams and preparation method thereof formed by the composition.
Background technology
Extruded polystyrene foaming plate be foaming agent, nucleating agent and other auxiliary agents are aided with polystyrene resin, and
By extruding foaming molding prepare rigid foam plate, inside be independent closed bubble structure, being one kind has
High resistance to compression, the excellent properties such as water absorption rate is low, moisture-proof, thermal coefficient is low organic polymer thermal insulation material.Extruded sheet extensive use
In fields such as building heat preservation, Cold Chain Logistics, civil engineerings, especially received widely in building heat preservation field.
Conventional foaming agents for extruded polystyrene foaming plate include：Chlorofluorocarbons (CFCs) and hydrochlorofluorocarsolvent
(HCFCs).The major advantage of CFCs foaming agents and HCFCs foaming agents is that have highly dissoluble and relatively low in polymer melt
Thermal conductivity to assign product high thermal insulation.But their major defect is that ODP values are high, destroys ozone layer；GWP value
Height easily causes climate warming, is gradually eliminated by countries in the world.Currently, China has been completely forbidden in foamed plastics preparation
Using CFCs foaming agents, HCFCs class foaming agents are limited and are used, will completely forbidden and use to the year two thousand thirty.
Select environmental-friendly foaming agent that HCFCs is replaced just to have in the preparation of extruded polystyrene foaming plate as a result,
Significance.Inert gas CO2, (HFC-152a, HFC-134a etc. are for hydrocarbon foaming agent such as butane, pentane, propane, hydrofluorocarbon
Through being selected the substitute as HCFC-22 and HCFC-142b.
Now widely used replacement foaming agent is CO2, but its thermal coefficient is high, the heat-insulating property of resulting product is not
It is good；Therefore, it is necessary to use Improving Measurements to improve CO2The heat-insulating property of foaming XPS products.
CN 101720270A are disclosed is aided with addition nanometer using 1,1,2,2- tetrafluoroethane (HFC-134) as foaming agent
Graphite puies forward high r values.But solubility of the HFC-134a in PS resins is relatively low, is individually difficult to obtain using HFC-134a low close
The XPS foams of degree.
2001/0036970 preferred normal butanes of US are for foaming agent and with other foaming agents for example, HFC-134a, HCFC-
142b is combined foaming and prepares XPS foams.But the thermal coefficient of butane is higher, and it is inflammable and explosive, cause foam to produce
Middle needs are fire-proof and explosion-proof, and the heat-insulating property and flame retardant property of obtained product be not good enough.
Although being attempted in the prior art the extruded polystyrene foaming plate for preparing high thermal insulation as a result,
But foaming plate still is prepared to safer, environmentally friendly foaming agent to be used in lasting progress technological innovation in this field,
And expect to significantly improve its heat-insulating property.
Invention content
The object of the present invention is to provide a kind of composition of new formation thermoplastic polymer foam and by the composition
Polymer foams of formation and preparation method thereof.The composition using the present invention for forming thermoplastic polymer foam can
The inflammable and explosive problem in Foam machining and use is reduced, the polymer foams of preparation have high thermal insulation, high resistance to compression
Performance and high-dimensional stability.
It was found by the inventors of the present invention that now widely used replacement foaming agent includes CO2, but its thermal coefficient
The heat-insulating property of height, resulting product is bad, and therefore, it is necessary to use Improving Measurements to improve CO2The thermal insulation of foaming XPS products
Energy.The present invention is by CO2, water and HFA 134a (HFC-134a) use as combined foaming agent, on the one hand, these three
Foaming agent is non-ignitable, without considering that the Into Fire And Explosion Resisting Problems in article manufacturing process, the flame retardant property of product are easy to improve；Another party
Face, by CO2, water and HFA 134a (HFC-134a) used as combined foaming agent, not only nucleation efficiencies are higher, can
To obtain high intensity and the preferable foamed product of long-term insulation performance, moreover, with CO is individually used2Expanded material density
It compares, the density of expanded material can be further decreased using combined foaming agent.In addition, CO2Just with water abundance, price
Preferably, production cost is relatively low.
To achieve the goals above, the present invention provides a kind of composition forming thermoplastic polymer foam, the composition
Contain expandable polymer material, foaming agent and nucleating agent and infrared barrier agent, wherein the foaming agent is CO2, water and 1,1,
The combination of 1,2- tetrafluoroethane, the nucleating agent contain active calcium silicate, and the infrared barrier agent is preferably nano-graphite.
The present invention also provides a kind of polymer foams, which is to form thermoplastic polymer foam by a kind of
Composition passes through the foam of polymers that is obtained after being molded, squeezing out, wherein the polymer foam composition is provided by the invention
Composition.
The present invention also provides a kind of preparation methods of polymer foams, wherein this method includes：
At the first temperature, by expandable polymer material, nucleating agent and infrared barrier agent and selectively add its
His additive and/or auxiliary agent mixing so that the expandable molten polymer material simultaneously forms molten mixture；
At the first pressure, foaming agent and the molten mixture are mixed to form foamable gel；
The foamable gel is cooled to second temperature, the second temperature is less than first temperature, cold to be formed
But foamable gel, and under second pressure, the foamable gel of the cooling is squeezed out；
Wherein, the foaming agent is CO2, water and HFA 134a combination, the nucleating agent contains activated silica
Sour calcium, the infrared barrier agent is preferably nano-graphite.
The present invention uses CO2, water and HFA 134a combined foaming agent under the premise of, and be aided with active silicic acid
The composition of calcium and preferred infrared barrier agent nano-graphite can reduce the inflammable and explosive problem in Foam machining and use, make
The polymer foams that must be prepared have high thermal insulation, high pressure resistance energy and high-dimensional stability, and with individually adopt
Use CO2The density of expanded material compare, additionally it is possible to reduce foam density to a certain extent.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
In the present invention, the definition of thermal resistance (R refers to) is the thickness divided by its thermal coefficient of foamed product, is shown below：
R=h/ λ, wherein h are products thickness (unit mm), and λ is its thermal conductivity (unit W/mK).Across heat-insulating material
Heat transfer can be conducted by solid conduction, gas conduction, radiation and convection current to be carried out.Entire thermal resistance (R values) is the obstructing capacity to heat transfer
Measurement, R refer to it is bigger, prevent capacity of heat transmission it is stronger, heat-insulating property is more excellent.
The composition provided by the invention for forming thermoplastic polymer foam contains：Expandable polymer material, foaming agent,
Nucleating agent and infrared barrier agent, wherein the foaming agent is CO2, water and HFA 134a combined foaming agent, it is described
Nucleating agent contains active calcium silicate.
According to the present invention, the foaming agent is CO2, water and HFA 134a combined foaming agent, furtherly,
Although with blowing agent combination of the present invention and it is aided with the nucleating agent containing active calcium silicate and infrared barrier agent (more preferably
The infrared barrier agent is nano-graphite) goal of the invention of the invention can be thus achieved, however, it is preferred in the case of, CO2, water and
The weight ratio of 1,1,1,2- tetrafluoroethane is (3-10):1:(1-5), it is further preferred that CO2, water and 1,1,1,2- tetrafluoroethane weight
Amount is than being (3-5):1:(1-3), further preferably, as the CO of main foaming agent in foaming agent2Content at least to account for foaming agent total
50 weight % of weight.On the one hand combined foaming agent using the present invention disclosure satisfy that the requirement of environmental protection, and can reduce foam
On the other hand inflammable and explosive problem in processing and use is being aided with nucleating agent active calcium silicate and infrared barrier agent is (more excellent
It is nano-graphite to select the infrared barrier agent) after, the polymer foams that can ensure have good high thermal insulation
Energy, high pressure resistance energy and good mechanical property, and use CO with independent2The density of expanded material compare, additionally it is possible to
Foam density is reduced to a certain extent.
According to the present invention, in combined foaming agent, CO is selected2Small cells can be obtained with HFC-134a, it is high absolutely to be aided with product
Heat, high intensity and high-dimensional stability, water generate larger abscess after being introduced into product, are conducive to reduce the close of foamed material
Degree.Wherein, the water foaming agent preferably refers to deionized water.
According to the present invention, the nucleating agent contains active calcium silicate, due in the present invention using water as with CO2And HFC-
The combined foaming agent of 134a, the active calcium silicate large specific surface area with porous structure, surface and internal distribution are many small
Hole, porosity is very high, can effectively carry hydrone as the carrier of water to improve the solubility of water so that with the present invention
The combined foaming agent forms synergistic effect and improves expansion ratio, is conducive to promote the heat-insulating property and drop of polymer foams
The density of low foam.In addition to this, active calcium silicate is also used as efficient bubble nucleating agent and the resistance of good heat transfer
Every agent.
According to the present invention, the nucleating agent can also contain those skilled in the art other than containing active calcium silicate
Well known other nucleating agents, for example, the nucleating agent can also contain selected from the one or more of talcum powder, calcium carbonate and graphite
Other nucleating agents.Under preferable case, the content of active calcium silicate at least accounts for 50 weight % of nucleating agent total weight, more preferably
70-100 weight %.The active calcium silicate is also known as high dispersive calcium silicates, and grain size is usually 20-50 microns.The activated silica
Sour calcium commercially available can also be prepared according to the method for this field routine, for example, active calcium silicate is by wollastonite
It is made by surface treatment, there is complete needle-shaped crystal structure, the draw ratio of active calcium silicate is usually 5:1-15:1, it is living
Property calcium silicates in the content of calcium silicates be 50-60 weight %, the content of silica is 45-50 weight %.
According to the present invention, the infrared barrier agent can be the infrared barrier agent of this field routine, under preferable case, use
Nucleating agent of the nano-graphite with combined foaming agent of the present invention and containing active calcium silicate is applied in combination.The nano-graphite
Infrared barrier agent is acted not only as to reduce the thermal conductivities of polymer foams to improve thermal-insulating value (T.I.V.), it can also be with activity
Calcium silicates compounds the part as nucleating agent, to be more conducive to that more tiny abscess is prepared, to further decrease bubble
The thermal coefficient of foam is to obtain the low polymer foams of excellent size stability, thermal coefficient, especially PS foams material
Material.The acquisition pattern of the nano-graphite is known to those skilled in the art, and average grain diameter is 100nm or so.It is described to receive
Meter Shi Mo is mainly used as infrared barrier agent, to improve the heat-insulating property of foaming product, under the above-mentioned blowing agent combination of the present invention,
The small cells containing larger proportion are aided with product high adiabatic, high intensity and high-dimensional stability in gained foaming product, and compared with
The big abscess of small scale, is aided with product low-density.
Under preferable case, the nano-graphite surface is by processing, that is, the nano-graphite is with mixture selected from polyphenyl second
Alkene, ethylene-vinyl acetate copolymer, polymethyl methacrylate, polyethylene terephthalate -1,4- hexamethylene diformazans
Form in alcohol ester in one or more carriers uses, and content of the nano-graphite in the mixed thing can be 15-70 weight %,
Preferably 20-40 weight %.The preparation method of the nano-graphite and the mixed thing of above-mentioned polymer support can refer to ability
Known method carries out in domain, such as the method by squeezing out mixture carries out, 150 DEG C -300 DEG C of extrusion temperature, residence time 3-5
Minute.The average grain diameter of nano-graphite is 100nm or so.
According to the present invention, on the basis of the total weight of the composition, the content of the expandable polymer material is 75-
The content of 92 weight %, the foaming agent are 5-10 weight %, and the content of the nucleating agent is 2-10 weight %, the infrared resistance
Every agent content be 1-5 weight %.Under preferable case, on the basis of the total weight of the composition, the expandable polymer
The content of material is 80-89 weight %, and the content of the foaming agent is 6-9 weight %, and the content of the nucleating agent is 3-7 weights
% is measured, the content of the infrared barrier agent is 1-4 weight %.
According to the present invention, usually, any polymer that can be foamed can be used as expandable polymer material.It is described
Expandable polymer material can be thermoplastic or heat cured.Specific expandable polymer material chosen can carry
For enough mechanical strengths and/or for forming the technique of final foamed-polymer products.In the case of, according to the invention it is preferred to,
The expandable polymer material is selected from polystyrene, styrene-acrylonitrile copolymer, acronitrile-butadiene-styrene copolymerization
It is one or more in the copolymer of object, acrylic acid series-styrene-acrylonitrile copolymer and styrene-butadiene.More preferably
Ground, the expandable polymer material are styrenic material, most preferably polystyrene.One according to the invention
Specific embodiment, the polystyrene are general purpose grade, melt flow rate (MFR) 1-25g/10min, preferably 1-10g/
10min。
Some other additive/auxiliary agents commonly used in the art can also be added as needed in the composition of the present invention,
These other additive/auxiliary agents include in UV stabilizer, UV absorbents, antioxidant, antistatic agent, fire retardant, pigment, colorant
It is one or more.The dosage and type of other additive/auxiliary agents are known to those skilled in the art, as other add
It can be 0-5 weight % to add the content of agent/auxiliary agent.
According to the present invention, improvement of the invention is the composition for forming thermoplastic polymer foam, therefore, right
Method known to those skilled in the art may be used in the preparation method of polymer foams to carry out, for example, by using extruder
It is prepared by (single screw rod or double screw extruder), mixer or blender.
A kind of specific implementation mode according to the present invention, the preparation method of the polymer foams include：First
At a temperature of, by expandable polymer material, nucleating agent and infrared barrier agent and other additives selectively added and/or help
Agent mixes so that the expandable molten polymer material simultaneously forms molten mixture；The melting temperature is equal to or more than can
The glass transition temperature of foamed polymer material or the temperature of fusing point, under preferable case, the melting temperature is 200-250
DEG C, more preferably 220-240 DEG C；
At the first pressure, foaming agent and the molten mixture are mixed to form foamable gel, by foaming agent
It is evenly dispersed in the molten mixture；The first pressure is enough to prevent the prefoam of foamable gel, first pressure
Power can be 5-20MPa, preferably 6-11MPa；
The foamable gel is cooled to second temperature (that is, die orifice melting temperature), the second temperature is less than described
First temperature, to form cooling foamable gel；The second temperature can be 110 DEG C -145 DEG C, preferably 110 DEG C -120
℃；
Under second pressure, the foamable gel of the cooling is squeezed out and forms foamed polymer material；Foaming is solidifying
Glue is cooled to second temperature, and is expressed into the section with second pressure, this steeps the foaming for making gel and required extrusion
The formation of foam material；The second pressure can be normal pressure；
Wherein, the foaming agent is CO2, water and HFA 134a combination, the nucleating agent contains activated silica
Sour calcium, the infrared barrier agent is preferably nano-graphite.
Wherein, described to send out on the basis of the total weight of the composition on the basis of the total weight of each raw material of addition
The content for steeping polymer material is 75-92 weight %, and the content of the foaming agent is 5-10 weight %, the content of the nucleating agent
Content for 2-10 weight %, the nano-graphite is 1-5 weight %.Under preferable case, the total weight with the composition is
The content of benchmark, the expandable polymer material is 80-89 weight %, and the content of the foaming agent is 6-9 weight %, described
The content of nucleating agent is 3-7 weight %, and the content of the nano-graphite is 1-4 weight %.Wherein, the expandable polymeric material
The selection of material and the parameter of the selection of other nucleating agents and nano-graphite have been described above, and details are not described herein.
Under preferable case, the nano-graphite surface is by processing, that is, the nano-graphite is with mixture selected from polyphenyl second
Alkene, ethylene-vinyl acetate copolymer, polymethyl methacrylate, polyethylene terephthalate -1,4- hexamethylene diformazans
Form in alcohol ester in one or more carriers uses, and content of the nano-graphite in the mixed thing can be 15-70 weight %,
Preferably 20-40 weight %.The preparation method of the nano-graphite and the mixed thing of above-mentioned polymer support can refer to ability
Known method carries out in domain, such as the method by squeezing out mixture carries out, 150 DEG C -300 DEG C of extrusion temperature, residence time 3-5
Minute.The average grain diameter of nano-graphite is 100nm or so.
The present invention also provides a kind of polymer foams, which is to form thermoplastic polymer foam by a kind of
Composition passes through the foam of polymers that is obtained after being molded, squeezing out, wherein the polymer foam composition is provided by the invention
The composition of thermoplastic polymer foam can be formed.The material is preferably styrenic polymer foam heat-insulating material, more excellent
It is selected as polystyrene foam heat-insulating material.
The polymer foams that the composition using the present invention is formed are not only more environmentally friendly, and the polymer steeps
The R values of foam are 0.6-1.25, illustrate it with preferable heat-insulating property, while can take into account excellent mechanical property.
The present invention will be described in detail by way of examples below.
In following embodiment, polystyrene is general purpose grade, melt flow rate (MFR) 1-10g/10min；In active calcium silicate
Silicic acid calcium content is 50-60 weight %；Nano-graphite mean particle size is 100nm.
In following embodiment, the foam density of polymer foams is measured using drainage, is surveyed using universal testing machine
The compressive strength of weight polymers foamed material, thermal conductivity after being measured its 180 days using measuring thermal conductivity instrument simultaneously calculate R values.
Embodiment 1-5
The present embodiment is used to illustrate the preparation of polymeric foamable material provided by the invention.
The composition for preparing foam of polymers includes：Polystyrene resin, combined foaming agent CO2, water and 1,1,1,2- tetra-
Fluoroethane, active calcium silicate, nano-graphite, fire retardant hexabromocyclododecane, calcium stearate.Wherein, the nano-graphite in M2 is
The form of the mixed thing formed with polystyrene uses, and content of the nano-graphite in the mixed thing is 40 weight %, institute in table 1
The weight for stating nano-graphite refers to that the nano-graphite in mixed thing accounts for 3 weight % of composition total weight.Composition M1-M5's
Composition is as shown in table 1.
Specific preparation process：By polystyrene, active calcium silicate, nano-graphite, fire retardant hexabromocyclododecane and hard
Series connection extrusion foaming unit is added in resin acid calcium, and the temperature of the first extruder of control is 220-250 DEG C, injects combined foaming agent, adjusts
Whole system pressure, controls the pressure after gas injection port in 20MPa, and dissolved with the polymer melt of foaming agent, to be delivered to second cooling extruded
Machine keeps 110-120 DEG C of the second extruder temperature and foaming die pressure 7MPa, carries out extrusion foaming, obtains squeezing out polyphenyl second
Alkene foaming plate M1-M5 measures the apparent density of expanded material, compressive strength and thermal resistance value, shown in table 1 specific as follows.
Comparative example 1-2
Expanded material is prepared according to the method for embodiment 1-5, unlike, the composition for preparing foam of polymers uses
HCFC-22 or HCFC-142b is foaming agent, uses talcum powder for nucleating agent, obtains extruded polystyrene foaming plate MC1-
MC2.Apparent density, compressive strength and the thermal resistance value for measuring expanded material, shown in table 1 specific as follows.
Table 1
Combined foaming agent CO using the present invention is can be seen that from the data in table 12, water and 1,1,1,2- tetrafluoroethane
Under the premise of, and the composition for being aided with active calcium silicate and preferred infrared barrier agent nano-graphite can reduce Foam machining and
The polymer foams of inflammable and explosive problem in use, preparation have high thermal insulation, high pressure resistance energy and high size
The R values of stability, foam of polymers are 0.9 or more, and resulting polymers foamed material is more environmentally friendly.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail can carry out a variety of simple variants to technical scheme of the present invention within the scope of the technical concept of the present invention, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (12)
1. it is a kind of formed thermoplastic polymer foam composition, the composition contain expandable polymer material, foaming agent, at
Core agent and infrared barrier agent, which is characterized in that the foaming agent is CO2, water and HFA 134a combination, it is described at
Core agent contains active calcium silicate, and the infrared barrier agent is preferably nano-graphite.
2. composition according to claim 1, wherein CO2, water and 1,1,1,2- tetrafluoroethane weight ratio be (3-10):
1:(1-5), it is preferable that CO2, water and 1,1,1,2- tetrafluoroethane weight ratio be (3-5):1:(1-3), it is further preferred that in foaming agent
CO2Content at least account for 50 weight % of foaming agent total weight.
3. composition according to claim 1, wherein the content of active calcium silicate at least accounts for 50 weights of nucleating agent total weight
Measure %, preferably 70-100 weight %.
4. according to the composition described in any one of claim 1-3, wherein on the basis of the total weight of the composition,
The content of the expandable polymer material is 75-92 weight %, and the content of the foaming agent is 5-10 weight %, the nucleation
The content of agent is 2-10 weight %, and the content of the infrared barrier agent is 1-5 weight %；Under preferable case, with the composition
Total weight on the basis of, the content of the expandable polymer material is 80-89 weight %, and the content of the foaming agent is 6-9
The content of weight %, the nucleating agent are 3-7 weight %, and the content of the infrared barrier agent is 1-4 weight %.
5. composition according to claim 1, wherein infrared barrier agent nano-graphite with mixture selected from polystyrene,
Ethylene-vinyl acetate copolymer, polymethyl methacrylate, polyethylene terephthalate -1,4 cyclohexane dimethanol
Form in ester in one or more carriers uses, and content of the infrared barrier agent nano-graphite in the mixed thing is 15-70 weights
Measure %, preferably 20-40 weight %.
6. composition according to claim 1, wherein the expandable polymer material is selected from polystyrene, styrene-
Acrylonitrile copolymer, acrylonitrile butadient styrene, acrylic acid series-styrene-acrylonitrile copolymer and styrene-fourth
It is one or more in the copolymer of diene, preferably polystyrene.
7. a kind of polymer foams, the material be by a kind of composition forming thermoplastic polymer foam by molding,
The foam of polymers obtained after extrusion, which is characterized in that the polymer foam composition is any one of claim 1-6
The composition, it is preferable that the polymer foams are styrenic polymer foam heat-insulating material, more preferably polyphenyl
Vinyl foam heat-insulating material.
8. a kind of preparation method of polymer foams, which is characterized in that this method includes：
At the first temperature, by expandable polymer material, nucleating agent and infrared barrier agent and selectively add other add
Agent and/or auxiliary agent is added to mix so that the expandable molten polymer material simultaneously forms molten mixture；
At the first pressure, foaming agent and the molten mixture are mixed to form foamable gel；
The foamable gel is cooled to second temperature, the second temperature is less than first temperature, to form cooling
Foamable gel, and under second pressure, the foamable gel of the cooling is squeezed out；
Wherein, the foaming agent is CO2, water and HFA 134a combination, the nucleating agent contains active calcium silicate,
The infrared barrier agent is preferably nano-graphite.
9. preparation method according to claim 8, wherein CO2, water and 1,1,1,2- tetrafluoroethane weight ratio be (3-
10):1:(1-5), it is preferable that CO2, water and 1,1,1,2- tetrafluoroethane weight ratio be (3-5):1:(1-3), it is further preferred that foaming
CO in agent2Content at least account for 50 weight % of foaming agent total weight；The content of active calcium silicate at least accounts for nucleating agent total weight
50 weight %, preferably 70-100 weight %.
10. preparation method according to claim 8, wherein described to send out on the basis of the total weight of each raw material of addition
The addition for steeping polymer material is 75-92 weight %, and the addition of the foaming agent is 5-10 weight %, the nucleating agent
Addition is 2-10 weight %, and the addition of the infrared barrier agent is 1-5 weight %, described expandable poly- under preferable case
The addition for closing object material is 80-89 weight %, and the addition of the foaming agent is 6-9 weight %, the addition of the nucleating agent
Amount is 3-7 weight %, and the addition of the infrared barrier agent is 1-4 weight %.
11. the preparation method according to claim 8 or 10, wherein infrared barrier agent nano-graphite is with mixture selected from poly-
Styrene, ethylene-vinyl acetate copolymer, polymethyl methacrylate, polyethylene terephthalate -1,4- hexamethylenes
Form in diformazan alcohol ester in one or more carriers uses, and content of the infrared barrier agent nano-graphite in the mixed thing is
15-70 weight %, preferably 20-40 weight %.
12. the preparation method according to claim 8 or 10, wherein the expandable polymer material be selected from polystyrene,
Styrene-acrylonitrile copolymer, acrylonitrile butadient styrene, acrylic acid series-styrene-acrylonitrile copolymer and benzene
It is one or more in the copolymer of ethylene-butylene, preferably polystyrene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022490.9A CN108299670A (en) | 2017-01-12 | 2017-01-12 | Form composition and the polymer foams and preparation method thereof of thermoplastic polymer foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022490.9A CN108299670A (en) | 2017-01-12 | 2017-01-12 | Form composition and the polymer foams and preparation method thereof of thermoplastic polymer foam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108299670A true CN108299670A (en) | 2018-07-20 |
Family
ID=62871903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710022490.9A Pending CN108299670A (en) | 2017-01-12 | 2017-01-12 | Form composition and the polymer foams and preparation method thereof of thermoplastic polymer foam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108299670A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080242752A1 (en) * | 2007-03-28 | 2008-10-02 | Yadollah Delaviz | Polystyrene foams incorporating nanographite and HFC-134 |
| CN102015853A (en) * | 2008-04-25 | 2011-04-13 | 陶氏环球技术公司 | Positive skew styrene-acrylonitrile copolymer foam |
| CN102046709A (en) * | 2008-06-04 | 2011-05-04 | 欧文斯科宁知识产权资产有限公司 | Extruded polystyrene foam containing propylene carbonate, ethylene carbonate or butylene carbonate as a process aids |
| CN103975004A (en) * | 2011-12-05 | 2014-08-06 | 陶氏环球技术有限责任公司 | High compressive strength extruded polymeric foam |
| US20160319093A1 (en) * | 2003-11-26 | 2016-11-03 | Owens Corning Intellectual Capital, Llc | Thermoplastic foams and method of forming them using nano-graphite |
-
2017
- 2017-01-12 CN CN201710022490.9A patent/CN108299670A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160319093A1 (en) * | 2003-11-26 | 2016-11-03 | Owens Corning Intellectual Capital, Llc | Thermoplastic foams and method of forming them using nano-graphite |
| US20080242752A1 (en) * | 2007-03-28 | 2008-10-02 | Yadollah Delaviz | Polystyrene foams incorporating nanographite and HFC-134 |
| CN102015853A (en) * | 2008-04-25 | 2011-04-13 | 陶氏环球技术公司 | Positive skew styrene-acrylonitrile copolymer foam |
| CN102046709A (en) * | 2008-06-04 | 2011-05-04 | 欧文斯科宁知识产权资产有限公司 | Extruded polystyrene foam containing propylene carbonate, ethylene carbonate or butylene carbonate as a process aids |
| CN103975004A (en) * | 2011-12-05 | 2014-08-06 | 陶氏环球技术有限责任公司 | High compressive strength extruded polymeric foam |
Non-Patent Citations (1)
| Title |
|---|
| 耿孝正: "《双螺杆挤出机及其应用》", 31 January 2003, 中国轻工业出版社, pages: 352 - 353 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7919538B2 (en) | Styrene acrylonitrile copolymer foam with infrared attenuating agents | |
| RU2291167C2 (en) | Multimodal polymeric absorbing clay-containing foamed plastic, method for preparation thereof, and an article based thereon | |
| CN105980467B (en) | Foam of polymers | |
| CN101720270A (en) | polystryene foams incorporating nanographite and hfc-134 | |
| JP2009542839A (en) | Polymer foam containing multifunctional layered nano-graphite | |
| CA2761163A1 (en) | Infrared attenuated polymeric foam insulation with flame retardant performance | |
| EP3169723B1 (en) | Non-voc processing aids for use in manufacturing foams using low global warming potential blowing agents | |
| US20080287560A1 (en) | Polymer foams containing multi-functional layered nano-graphite | |
| JP4794791B2 (en) | Thermal insulation extruded foam with monovinyl aromatic polymer with broad molecular weight distribution | |
| US5422378A (en) | Foamable styrenic polymer gel and resulting foam | |
| US6274640B1 (en) | Extruded foam product with 134a and alcohol blowing agent | |
| CN102612533A (en) | Thermo-insulating expanded articles and compositions for the preparation thereof | |
| CN106633451B (en) | Using CO2The preparation method of combined foaming agent extruded polystyrene foamed material | |
| CA2785686A1 (en) | Machinable thermally insulating styrene - acrylonitrile copolymer foam | |
| CN108299670A (en) | Form composition and the polymer foams and preparation method thereof of thermoplastic polymer foam | |
| KR20090052433A (en) | Expandable polystyrene using recycled styrene resin and method of preparing the same | |
| CN102575041B (en) | Extruded polystyrene foam with broad comonomer content distribution | |
| CN103897277A (en) | Novel material with expandable polystyrene function | |
| JP7482740B2 (en) | Expandable vinyl chloride resin particles, expanded particles thereof, and foamed molded article using the same | |
| US20230122141A1 (en) | Tri-blend blowing agent composition for polymeric foam | |
| KR20240075299A (en) | An extruded foam composition using hydrofluorocarbon, and an extruded foam using them | |
| JP2024140138A (en) | Expandable styrene resin particles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200429 Address after: 052160 1000m northwest of Jinzhuang village, Xiguan Town, Gaocheng District, Shijiazhuang City, Hebei Province Applicant after: Hebei dingruikeman building materials Co., Ltd Address before: 102605 Beijing city Daxing District Qingyun Town, Gao Zhuang Village Applicant before: BEIJING BOKOMAN EXTRUSION PRODUCTS Co.,Ltd. |