CN109054235A - A kind of New Rigid crosslinked polyvinyl chloride structural foam material and preparation method thereof - Google Patents
A kind of New Rigid crosslinked polyvinyl chloride structural foam material and preparation method thereof Download PDFInfo
- Publication number
- CN109054235A CN109054235A CN201810765269.7A CN201810765269A CN109054235A CN 109054235 A CN109054235 A CN 109054235A CN 201810765269 A CN201810765269 A CN 201810765269A CN 109054235 A CN109054235 A CN 109054235A
- Authority
- CN
- China
- Prior art keywords
- parts
- polyvinyl chloride
- structural foam
- new rigid
- component
- 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
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- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 69
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 69
- 239000000463 material Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000004616 structural foam Substances 0.000 title claims description 34
- 229920005989 resin Polymers 0.000 claims abstract description 33
- 239000011347 resin Substances 0.000 claims abstract description 33
- 239000004593 Epoxy Substances 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims abstract description 10
- 239000004088 foaming agent Substances 0.000 claims abstract description 10
- 239000012948 isocyanate Substances 0.000 claims abstract description 10
- 150000008064 anhydrides Chemical class 0.000 claims abstract description 9
- 239000003054 catalyst Substances 0.000 claims abstract description 7
- 239000004971 Cross linker Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 39
- -1 age resister Substances 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 16
- 239000006260 foam Substances 0.000 claims description 15
- 239000004156 Azodicarbonamide Substances 0.000 claims description 10
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims description 10
- 235000019399 azodicarbonamide Nutrition 0.000 claims description 10
- 239000003822 epoxy resin Substances 0.000 claims description 10
- 229920000647 polyepoxide Polymers 0.000 claims description 10
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 claims description 9
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 9
- 229940014800 succinic anhydride Drugs 0.000 claims description 9
- 239000005056 polyisocyanate Substances 0.000 claims description 8
- 229920001228 polyisocyanate Polymers 0.000 claims description 8
- 229920001661 Chitosan Polymers 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 230000002902 bimodal effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- VYKXQOYUCMREIS-UHFFFAOYSA-N methylhexahydrophthalic anhydride Chemical compound C1CCCC2C(=O)OC(=O)C21C VYKXQOYUCMREIS-UHFFFAOYSA-N 0.000 claims description 5
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 4
- 229920002101 Chitin Polymers 0.000 claims description 4
- 150000008065 acid anhydrides Chemical group 0.000 claims description 4
- 229930013930 alkaloid Natural products 0.000 claims description 4
- 150000003797 alkaloid derivatives Chemical class 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 4
- 238000005187 foaming Methods 0.000 claims description 4
- 210000001161 mammalian embryo Anatomy 0.000 claims description 4
- 235000011837 pasties Nutrition 0.000 claims description 4
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 4
- 239000003431 cross linking reagent Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 239000003863 metallic catalyst Substances 0.000 claims description 3
- 125000002524 organometallic group Chemical group 0.000 claims description 3
- 239000004014 plasticizer Substances 0.000 claims description 3
- 229920001610 polycaprolactone Polymers 0.000 claims description 3
- 239000004632 polycaprolactone Substances 0.000 claims description 3
- 235000012424 soybean oil Nutrition 0.000 claims description 3
- 239000003549 soybean oil Substances 0.000 claims description 3
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 3
- 239000008158 vegetable oil Substances 0.000 claims description 3
- WQNHWIYLCRZRLR-UHFFFAOYSA-N 2-(3-hydroxy-2,5-dioxooxolan-3-yl)acetic acid Chemical compound OC(=O)CC1(O)CC(=O)OC1=O WQNHWIYLCRZRLR-UHFFFAOYSA-N 0.000 claims description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 239000010775 animal oil Substances 0.000 claims description 2
- 238000010000 carbonizing Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 claims description 2
- 125000005442 diisocyanate group Chemical group 0.000 claims description 2
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 claims description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000003607 modifier Substances 0.000 claims description 2
- 150000007524 organic acids Chemical class 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000011265 semifinished product Substances 0.000 claims description 2
- 150000003512 tertiary amines Chemical group 0.000 claims description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims 1
- 241000196324 Embryophyta Species 0.000 claims 1
- 238000010669 acid-base reaction Methods 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 claims 1
- ZZVUWRFHKOJYTH-UHFFFAOYSA-N diphenhydramine Chemical group C=1C=CC=CC=1C(OCCN(C)C)C1=CC=CC=C1 ZZVUWRFHKOJYTH-UHFFFAOYSA-N 0.000 claims 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
- 235000019198 oils Nutrition 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 10
- 239000006261 foam material Substances 0.000 abstract 2
- 239000000047 product Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 13
- 238000001816 cooling Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 6
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000000748 compression moulding Methods 0.000 description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 3
- 239000011976 maleic acid Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 206010000269 abscess Diseases 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-N cyanic acid Chemical compound OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical group OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 description 2
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- PMUPSYZVABJEKC-UHFFFAOYSA-N 1-methylcyclohexane-1,2-dicarboxylic acid Chemical compound OC(=O)C1(C)CCCCC1C(O)=O PMUPSYZVABJEKC-UHFFFAOYSA-N 0.000 description 1
- YLAXZGYLWOGCBF-UHFFFAOYSA-N 2-dodecylbutanedioic acid Chemical compound CCCCCCCCCCCCC(C(O)=O)CC(O)=O YLAXZGYLWOGCBF-UHFFFAOYSA-N 0.000 description 1
- ODGCZQFTJDEYNI-UHFFFAOYSA-N 2-methylcyclohex-3-ene-1,2-dicarboxylic acid Chemical compound OC(=O)C1(C)C=CCCC1C(O)=O ODGCZQFTJDEYNI-UHFFFAOYSA-N 0.000 description 1
- RYAIMSPHUVXLQI-UHFFFAOYSA-N 4-(aminomethyl)-2-(benzotriazol-2-yl)phenol Chemical compound NCC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 RYAIMSPHUVXLQI-UHFFFAOYSA-N 0.000 description 1
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 1
- SUDKDSWHVLJFHP-UHFFFAOYSA-N C(=O)N.C(=O)N.[N] Chemical compound C(=O)N.C(=O)N.[N] SUDKDSWHVLJFHP-UHFFFAOYSA-N 0.000 description 1
- 239000004970 Chain extender Substances 0.000 description 1
- 239000004609 Impact Modifier Substances 0.000 description 1
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical class N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 description 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical class CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 1
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 101100327316 Schizosaccharomyces pombe (strain 972 / ATCC 24843) cdc18 gene Proteins 0.000 description 1
- 101100525033 Schizosaccharomyces pombe (strain 972 / ATCC 24843) cdc22 gene Proteins 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- WWNGFHNQODFIEX-UHFFFAOYSA-N buta-1,3-diene;methyl 2-methylprop-2-enoate;styrene Chemical compound C=CC=C.COC(=O)C(C)=C.C=CC1=CC=CC=C1 WWNGFHNQODFIEX-UHFFFAOYSA-N 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
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 101150102523 cdc12 gene Proteins 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- IFDVQVHZEKPUSC-UHFFFAOYSA-N cyclohex-3-ene-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCC=CC1C(O)=O IFDVQVHZEKPUSC-UHFFFAOYSA-N 0.000 description 1
- 229960002887 deanol Drugs 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 description 1
- XXBDWLFCJWSEKW-UHFFFAOYSA-N dimethylbenzylamine Chemical compound CN(C)CC1=CC=CC=C1 XXBDWLFCJWSEKW-UHFFFAOYSA-N 0.000 description 1
- 239000012972 dimethylethanolamine Substances 0.000 description 1
- 229940035423 ethyl ether Drugs 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 210000000497 foam cell Anatomy 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 235000021388 linseed oil Nutrition 0.000 description 1
- 239000000944 linseed oil Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000004209 oxidized polyethylene wax Substances 0.000 description 1
- 235000013873 oxidized polyethylene wax Nutrition 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- ROSDSFDQCJNGOL-UHFFFAOYSA-N protonated dimethyl amine Natural products CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 1
- WSFQLUVWDKCYSW-UHFFFAOYSA-M sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(O)CN1CCOCC1 WSFQLUVWDKCYSW-UHFFFAOYSA-M 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229960002317 succinimide Drugs 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000012970 tertiary amine catalyst Substances 0.000 description 1
- UFDHBDMSHIXOKF-UHFFFAOYSA-N tetrahydrophthalic acid Natural products OC(=O)C1=C(C(O)=O)CCCC1 UFDHBDMSHIXOKF-UHFFFAOYSA-N 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- CHJMFFKHPHCQIJ-UHFFFAOYSA-L zinc;octanoate Chemical compound [Zn+2].CCCCCCCC([O-])=O.CCCCCCCC([O-])=O CHJMFFKHPHCQIJ-UHFFFAOYSA-L 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
- C08J9/06—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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- 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
- C08J2205/00—Foams characterised by their properties
- C08J2205/04—Foams characterised by their properties characterised by the foam pores
- C08J2205/052—Closed cells, i.e. more than 50% of the pores are closed
-
- 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
- C08J2327/00—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 a halogen; Derivatives of such polymers
- C08J2327/02—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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—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 at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
- C08J2405/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
-
- 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
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Abstract
The application discloses a kind of New Rigid polyvinyl chloride foam material, it is the raw material by following portions by weight ratio according to being prepared: 90-100 parts of PVC paste resin, 0-12 parts of epoxy component, 20-150 parts of isocyanate component, 2-35 parts of anhydride component, 3-9 parts of foaming agent, 2-30 parts of crosslinker component, 1-8 parts of modifying agent, 0-2.5 parts of catalyst, 0.5-8 parts of filler.In addition, the preparation method of the material is also disclosed.New Rigid polyvinyl chloride foam material provided by the present application has the advantages that premix viscosity is low, high yield rate.
Description
Technical field
This application involves polymeric foamed material fields, in particular to a kind of modified hard crosslinked polyvinyl chloride foam
And preparation method thereof.
Background technique
Hard crosslinked polyvinyl chloride foam has high-strength light, high-modulus, high-dimensional stability and high resistance to fracture, wide
It is general to be applied in the sandwich structure composite materials elements such as wind power generation blade, railway locomotive, ship and aerospace.
Existing numerous patents disclose hard crosslinked polyvinyl chloride foam formula for raw stock and preparation method, such as patent
WO2005/092958 and WO2007/141647, using epoxy resin as stabilizer and toughener, specific raw material and acid anhydrides,
Material viscosity is reduced, production efficiency is improved and promotes the mechanical property of product.But relative increase expansion process and curing process
The control difficulty of (temperature, time, humidity), reduces the production stability of product.
Summary of the invention
It is the general introduction to the theme being described in detail herein below.This general introduction is not the protection model in order to limit claim
It encloses.
This application provides a kind of long-chain macromolecule containing amido and mixed chain extender (hydroxyl and amino) is selected to come
The improved crosslinked polyvinyl chloride structural foam of preparation haveing excellent performance, by the way of changing PVC molecular weight distribution, in stabilization
Under the premise of technique and guarantee mechanical property, the viscosity of premix is controlled, yield rate is improved.
Specifically, this application provides a kind of New Rigid crosslinked polyvinyl chloride structural foam materials, by following raw materials
It is prepared according to the weight ratio:
90-100 parts of PVC paste resin, 0-12 parts of epoxy component, 20-150 parts of isocyanate component, anhydride component 2-
35 parts, 3-9 parts of foaming agent, 2-30 parts of crosslinker component, 1-8 parts of modifying agent, 0-2.5 parts of catalyst, 0.5-8 parts of filler.
In the New Rigid crosslinked polyvinyl chloride structural foam material of the application, wherein the weight proportion of the raw material
Are as follows: 90-100 parts of PVC paste resin, 0-12 parts of epoxy component, 20-100 parts of isocyanate component, 2-20 parts of anhydride component,
3-9 parts of foaming agent, 2-30 parts of crosslinker component, 1-8 parts of modifying agent, 0-2.1 parts of catalyst, 0.5-6 parts of filler.
In the New Rigid crosslinked polyvinyl chloride structural foam material of the application, wherein the PVC paste resin
Its number average molecular weight distribution of middle polyvinyl chloride is respectively bimodal.
In the New Rigid crosslinked polyvinyl chloride structural foam material of the application, wherein the PVC paste resin
Middle polyvinyl chloride molecular weight is between 15000-24000 or between 9000-13000 with one or two kinds of any mixing.
In the New Rigid crosslinked polyvinyl chloride structural foam material of the application, wherein the PVC paste resin
Middle polyvinyl chloride is white fine-powder, partial size one or both of 1um-10um and 5um-12um arbitrary proportion it is mixed
Close object.
In the New Rigid crosslinked polyvinyl chloride structural foam material of the application, wherein the PVC paste resin
Middle polyvinyl chloride is K value between 70-80.
In the New Rigid crosslinked polyvinyl chloride structural foam material of the application, wherein the PVC paste resin
The proportion of middle Corvic content is 30%-80%, the optional 35%-70% of original mixture weight, also optional 40%-
60%.
In this application, unless otherwise indicated, " % " is weight percentage.
In the New Rigid crosslinked polyvinyl chloride structural foam material of the application, wherein the epoxy component is epoxy
One of vegetable oil (such as epoxidized soybean oil, epoxy linseed oil), epoxy animal oil and epoxy resin and alkylene oxide etc. or
Two kinds and its above mixture；The above-mentioned optional epoxidized vegetable oil of epoxy component can be renewable resource, also optional epoxy soybean
Oil.
In the New Rigid crosslinked polyvinyl chloride structural foam material of the application, wherein the isocyanate component is
The isocyanates of bifunctionality, three-functionality-degree or more, such as hexamethylene diisocyanate, benzhydryl diisocyanate
Ester, carbonizing and modifying diisocyanate (CDC or MM103C), cyclohexyl diisocyanate and polymethylene polyphenyl polyisocyanic acid
One or more mixtures of ester.
In the New Rigid crosslinked polyvinyl chloride structural foam material of the application, wherein the anhydride component is selected from horse
Come acid anhydrides, methyl hexahydrophthalic anhydride, cis- hexamethylene -1,2- dicarboxylic anhydride, succinic anhydride, citric anhydride and pyromellitic acid anhydride
In individually one or two kinds of any of the above ratio mixture.
In the New Rigid crosslinked polyvinyl chloride structural foam material of the application, wherein the foaming agent is azo
Both chemical foaming agent can be selected from the mixture of one of azodiisobutyronitrile and azodicarbonamide or two kinds, optionally
Mixture, azodicarbonamide and azodiisobutyronitrile weight ratio can be 1:10-4:5.
In the New Rigid crosslinked polyvinyl chloride structural foam material of the application, wherein the cross-linking component, which is selected from, to be had
One of machine acid, organic amine and water or two kinds are mixed with arbitrary proportion, and here, the organic acid can be O-phthalic
Acid, maleic acid, tetrahydrophthalic acid, methyl tetrahydrophthalic acid, methylhexahydrophthaacid acid, equal benzene tetramethyl
One of acid or dodecyl succinic acid are a variety of；The organic amine can be m-xylene diamine, hexamethylene diamine, different Buddhist
It is one or more in your ketone diamines, bis- (4- amido -3- methylcyclohexyl) methyl or bis- (4- amido cyclohexyl).
In the New Rigid crosslinked polyvinyl chloride structural foam material of the application, wherein the modifying agent is that anti-impact changes
One or more of property agent, lubricant, heat-proof modifier, age resister, plasticizer are mixed with arbitrary proportion.Here, described
Impact modifier can be ethylene-vinyl acetate copolymer, that methyl methacrylate-butadiene-styrene ternary connects skill is total
It is one or more in polymers, acrylonitrile-butadiene-styrene copolymer or haloflex；The lubricant and plasticizer can
Independently selected from one of calcium stearate, oxidized polyethylene wax, tristerin and polyethylene wax or a variety of；It is described resistance to
Heat modification agent can be precipitated calcium carbonate, α-methylstyrene based polyalcohol, one of methyl styrene, succinimide or
It is a variety of；The age resister can be 2-hydroxy-4-n-octoxybenzophenone, benzotriazole compound (such as 2- (2'-
Hydroxyl -5'- aminomethyl phenyl) benzotriazole) one of or it is a variety of.
In the New Rigid crosslinked polyvinyl chloride structural foam material of the application, wherein the catalyst is urged for tertiary amine
One or both of agent and organo-metallic catalyst.Here, the tertiary amine catalyst can be selected from dimethylethanolamine, N, N-
Bis- (dimethylamine propyl) isopropanols, N, N, N-trimethyl-N-ethoxy diamine ethylether, (the dimethylamino first of 2,4,6- tri-
Base) one of phenol, triethanolamine and benzyl dimethylamine or a variety of；The organo-metallic catalyst can be selected from zinc naphthenate,
One of zinc octoate, dibutyl tin dilaurate and bismuth carboxylate are a variety of.
In the New Rigid crosslinked polyvinyl chloride structural foam material of the application, wherein the filler is filled out for macromolecular
Material, the macromolecular filler be renewable resource or recycle resource (" renewable " and " available " here refers to nature
In sustainable acquisition), can be one of chitosan, amino modified polycaprolactone, chitin or alkaloid etc. or a variety of mixing
Object is optionally one of chitosan, chitin, alkaloid or a variety of mixtures.
On the other hand, this application provides the preparation method of above-mentioned New Rigid crosslinked polyvinyl chloride structural foam material,
Include the following steps:
(1) each raw material is mutually mixed, obtains premix；
(2) premix is added in mold by processing, obtains demiinflation body；
(3) obtained demiinflation body is obtained into desired structural foam through processing.
In the preparation method of the New Rigid crosslinked polyvinyl chloride structural foam material of the application, which includes
Following steps:
(1) each raw material is sufficiently mixed in blender in -0.09Mpa, obtains uniform pasty mixture, mixing time is
30-90min；
(2) pasty mixture obtained in (1) is imported in the good mold of leakproofness, is in 145-195 DEG C and pressure
It is molded under the conditions of 5-35Mpa, is cooled to room temperature and obtains foaming embryo block；
(3) by obtained in (2) foaming embryo block be placed in 65-95 DEG C of water bath or vaporium be expanded into design it is close
Degree；
(4) the semi-finished product foam prepared in (3) is placed in extra cyanic acid base in 35-85 DEG C of water bath or vaporium
Reaction obtains rigid foam.
The positive effect of the application is to grope technique by optimization of C/C composites, has prepared and had more preferable mechanical performance, work
Skill is simple controllably, processing range is wide, dimensionally stable Hard PVC foamed material, for the inexpensive steady production of the material
Basis is provided, is promoted in other field application.
Specific embodiment
It to make the objectives, technical solutions, and advantages of the present invention clearer, hereinafter will be to embodiments herein
It is described in detail.It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can
With mutual any combination.
Further illustrate the application with reference to embodiments, it is raw materials used commercially available in embodiment.
The application is further illustrated below by embodiment:
Embodiment 1
Material proportion is as follows: (this resin is that molecular weight is 18000-21000 to 100 parts of the PVC paste resin that K value is 70
With the bimodal resin of 23000-26000), 3 parts of epoxy resin, 30 parts of poly methylene poly phenyl poly isocyanate, succinic anhydride 10
Part, azodicarbonamide with 5 parts of azo-bis-isobutyl cyanide mixture (weight proportion 1:2), crosslinking agent methyl tetrahydro O-phthalic
2 parts of acid, 3 parts of modifying agent tristerin, 2 parts of crosslinking agent macromolecular filler (chitosan).
In -0.09Mpa in the uniform above-mentioned raw materials of stirrer for mixing, homogeneous paste mixture is obtained, mixing time is
30min。
Said mixture is injected with a thickness of in the steel die of 25mm, mold is filled up.Place it in 180 DEG C of compression moldings
It is molded between machine, pressure 15Mpa.It is cooled to room temperature and takes out, obtain half foamed products.Half foamed products are placed in steam room
Middle expansion 7 hours, steam temperature are 90 ± 2 DEG C.It after cooling, is placed in 60 DEG C of vaporiums and post-processes 8 days, obtain rigid foam production
Product, density 68kg/m3。
Product abscess is uniformly dispersed, and cell wall is more crisp, there is parcel in the larger part of abscess.Bubble is internal to tear shape, outer
General red, the intermediate yellow of skin one.
Embodiment 2
Material proportion is as follows: (this resin is that molecular weight is 16000-20000 to 98 parts of the PVC paste resin that K value is 70
With the bimodal resin of 20000-23000), 12 parts of epoxy resin, 20 parts of poly methylene poly phenyl poly isocyanate, 12 parts of CDC,
6 parts of succinic anhydride, azodicarbonamide with 8 parts of azo-bis-isobutyl cyanide mixture (weight proportion 1:2), 6 parts of phthalic acid,
4 parts of maleic acid, 4 parts of precipitated calcium carbonate, 6 parts of chitosan
In -0.09Mpa in the uniform above-mentioned raw materials of stirrer for mixing, homogeneous paste mixture is obtained, mixing time is
35min。
Said mixture is injected with a thickness of in the steel die of 25mm, mold is filled up.Place it in 175 DEG C of compression moldings
It is molded between machine, pressure 15Mpa.It is cooled to room temperature and takes out, obtain half foamed products.Half foamed products are placed in steam room
Middle expansion 6.5 hours, steam temperature are 90 ± 2 DEG C.After cooling, it is placed in 60 DEG C of vaporiums and post-processes 8 days, obtain rigid foam
Product, density 62kg/m3.Performance is shown in Table 1.
Embodiment 3
Material proportion is as follows: (this resin is that molecular weight is 18000-21000 to 96 parts of the PVC paste resin that K value is 73
With the bimodal resin of 25000-28000), 6 parts of epoxy resin, 25 parts of poly methylene poly phenyl poly isocyanate, modified isocyanic acid
18 parts of ester (CDC), 8 parts of succinic anhydride, 4 parts of methyl hexahydrophthalic anhydride, azodicarbonamide and azo-bis-isobutyl cyanide mixture (weight
Proportion is 12 parts of 1.3:3.4), 4 parts of chitosan, 6 parts of maleic acid, 4 parts of precipitated calcium carbonate.
It is uniform in stirrer for mixing, obtain homogeneous paste mixture.
It injects the mixture into the steel die with a thickness of 25mm, fills up mold.Place it in 178 DEG C of vulcanizing presses it
Between be molded, pressure 15Mpa.It is cooled to room temperature and takes out, obtain half foamed products.Half foamed products are placed in swollen in steam room
Swollen 5 hours, steam temperature was 90 ± 2 DEG C.After cooling, it is placed in 60 DEG C of vaporiums and post-processes 7 days, obtain rigid foam product,
Density is 55kg/m3.Performance is shown in Table 1
Embodiment 4
Material proportion is as follows: K value be 94 parts of 73 PVC paste resin (this resin be molecular weight be 18000-21000 and
The bimodal resin of 22000-24000), 6 parts of epoxy resin, 18 parts of poly methylene poly phenyl poly isocyanate, modified isocyanate
(CDC) 22 parts, 10 parts of succinic anhydride, 3.8 parts of methyl hexahydrophthalic anhydride, azodicarbonamide and azo-bis-isobutyl cyanide mixture are (heavy
Amount proportion is 6 parts of 1.3:2.8), 4 parts of precipitated calcium carbonate, 4 parts of amino modified polycaprolactone, 3 parts of methyl hexahydro phthalic acid.
It is uniform in stirrer for mixing, obtain homogeneous paste mixture.
It injects the mixture into the steel die with a thickness of 25mm, fills up mold.Place it in 170 DEG C of vulcanizing presses it
Between be molded, pressure 15Mpa.Cooling is set room temperature and is taken out, and obtains doing foamed products.Half foamed products are placed in swollen in steam room
Swollen 6.5 hours, steam temperature was 90 ± 2 DEG C.It after cooling, is placed in 65 DEG C of vaporiums and post-processes 7 days, obtain rigid foam production
Product, density 73kg/m3.Performance is shown in Table 1
The performance indicator and testing standard of 1 PVC foamed material of table
The porous foam ball obtained by the application method, at polygon or irregular ball-type, rate of closed hole reach 98% with
On, uniform foam cell is fine and smooth.And premix viscosity is low, high yield rate.
[comparative example 1]
Material proportion is as follows: (this resin is that molecular weight is 18000-21000 to 98 parts of the PVC paste resin that K value is 70
Unimodal resin), it is 12 parts of epoxy resin, 20 parts of poly methylene poly phenyl poly isocyanate, CDC12 parts, 6 parts of succinic anhydride, even
Nitrogen diformamide with 8 parts of azo-bis-isobutyl cyanide mixture (weight proportion 1:2), 6 parts of precipitated calcium carbonate.
In -0.09Mpa in the uniform above-mentioned raw materials of stirrer for mixing, homogeneous paste mixture is obtained, mixing time is
35min。
Said mixture is injected with a thickness of in the steel die of 25mm, mold is filled up.Place it in 175 DEG C of compression moldings
It is molded between machine, pressure 15Mpa.It is cooled to room temperature and takes out, obtain half foamed products.Half foamed products are placed in steam room
Middle expansion 6.5 hours, steam temperature are 90 ± 2 DEG C.After cooling, it is placed in 60 DEG C of vaporiums and post-processes 8 days, obtain rigid foam
Product, density 65kg/m3.Performance is shown in Table 2.
[comparative example 2]
Material proportion is as follows: K value be 73 96 parts of PVC paste resin (this resin be molecular weight be 18000 it is unimodal
Resin), 6 parts of epoxy resin, 25 parts of poly methylene poly phenyl poly isocyanate, CDC18 parts, 8 parts of succinic anhydride, methyl hexahydrobenzene
4 parts of acid anhydride, azodicarbonamide with 12 parts of azo-bis-isobutyl cyanide mixture (weight proportion 1.3:3.4).
It is uniform in stirrer for mixing, obtain homogeneous paste mixture.
It injects the mixture into the steel die with a thickness of 25mm, fills up mold.Place it in 178 DEG C of vulcanizing presses it
Between be molded, pressure 15Mpa.It is cooled to room temperature and takes out, obtain half foamed products.Half foamed products are placed in swollen in steam room
Swollen 5 hours, steam temperature was 90 ± 2 DEG C.After cooling, it is placed in 60 DEG C of vaporiums and post-processes 7 days, obtain rigid foam product,
Density is 60kg/m3.Performance is shown in Table 2
[comparative example 3]
Material proportion is as follows: 94 parts of PVC paste resin, 6 parts of epoxy resin, and poly methylene poly phenyl poly isocyanate
18 parts, CDC22 parts, 10 parts of succinic anhydride, 3.8 parts of methyl hexahydrophthalic anhydride, azodicarbonamide and azo-bis-isobutyl cyanide mixture
6 parts of (weight proportion 1.3:2.8), 4 parts of precipitated calcium carbonate.
It is uniform in stirrer for mixing, obtain homogeneous paste mixture.
It injects the mixture into the steel die with a thickness of 25mm, fills up mold.Place it in 170 DEG C of vulcanizing presses it
Between be molded, pressure 15Mpa.Cooling is set room temperature and is taken out, and obtains doing foamed products.Half foamed products are placed in swollen in steam room
Swollen 6.5 hours, steam temperature was 90 ± 2 DEG C.It after cooling, is placed in 65 DEG C of vaporiums and post-processes 7 days, obtain rigid foam production
Product, density 76kg/m3.Performance is shown in Table 2
The performance indicator and testing standard of 2 PVC foamed material of table
With the data comparison of table 2.The viscosity of table 1 has apparent reduction
Although embodiment disclosed by the application is as above, the content only for ease of understanding the application and use
Embodiment is not limited to the application.Technical staff in any the application fields, is taken off not departing from the application
Under the premise of the spirit and scope of dew, any modification and variation, but the application can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (13)
1. a kind of New Rigid polyvinyl chloride structural foam is to be prepared in parts by weight by materials described below: Welvic
90-100 parts of resin, 0-12 parts of epoxy component, 20-150 parts of isocyanate component, 2-35 parts of anhydride component, 3-9 parts of foaming agent,
2-30 parts of crosslinker component, 1-8 parts of modifying agent, 0-2.5 parts of catalyst, 0.5-8 parts of filler.
2. New Rigid polyvinyl chloride structural foam as described in claim 1, be prepared in parts by weight by materials described below and
At: 90-100 parts of PVC paste resin, 0-12 parts of epoxy component, 20-100 parts of isocyanate component, 2-20 parts of anhydride component,
3-9 parts of foaming agent, 2-30 parts of crosslinker component, 1-8 parts of modifying agent, 0-2.1 parts of catalyst, 0.5-6 parts of filler.
3. New Rigid polyvinyl chloride structural foam as claimed in claim 1 or 2, wherein in the PVC paste resin
Its number average molecular weight distribution of polyvinyl chloride is respectively bimodal；
Optionally, in the PVC paste resin molecular weight of polyvinyl chloride between 15000-24000 or 9000-13000
Between with one or two kinds of any mixing；
Optionally, polyvinyl chloride is white fine-powder in the PVC paste resin, and partial size is in 1um-10um and 5um-
The mixture of the arbitrary proportion of one or both of 12um；
Optionally, polyvinyl chloride is K value between 70-80 in the PVC paste resin.
4. New Rigid polyvinyl chloride structural foam as claimed in claim 1 or 2, wherein the crosslinking agent be selected from organic acid,
One of organic amine and water or two kinds are mixed with arbitrary proportion.
5. New Rigid polyvinyl chloride structural foam as claimed in claim 1 or 2, wherein the foaming agent is azo
Learn foaming agent.
6. New Rigid polyvinyl chloride structural foam as claimed in claim 5, wherein it is different that the foaming agent can be selected from azo two
One of butyronitrile and azodicarbonamide or two kinds of mixture；It optionally, is two formyl of azodiisobutyronitrile and azo
The mixture of amine, optionally, the weight ratio of azodicarbonamide and azodiisobutyronitrile are 1:10-4:5.
7. New Rigid polyvinyl chloride structural foam as claimed in claim 1 or 2, wherein the modifying agent is impact-resistant modified
One or more of agent, lubricant, heat-proof modifier, age resister, plasticizer are mixed with arbitrary proportion.
8. New Rigid polyvinyl chloride structural foam as claimed in claim 1 or 2, wherein the catalyst is tertiary amine catalytic
Agent and organo-metallic catalyst.
9. New Rigid polyvinyl chloride structural foam as claimed in claim 1 or 2, wherein the anhydride component is selected from Malaysia
It is acid anhydrides, methyl hexahydrophthalic anhydride, cis- hexamethylene -1,2- dicarboxylic anhydride, succinic anhydride, citric anhydride, single in pyromellitic acid anhydride
The mixture of only one or two kinds of any of the above ratio.
10. New Rigid polyvinyl chloride structural foam as claimed in claim 1 or 2, wherein the epoxy component is epoxy plant
One of object oil, epoxy animal oil, epoxy resin, alkylene oxide or a variety of mixtures；Optional epoxidized vegetable oil, also optional ring
Oxygen soybean oil.
11. New Rigid polyvinyl chloride structural foam as claimed in claim 1 or 2, wherein the isocyanate component is double
The isocyanates of degree of functionality, three-functionality-degree or more can be selected from hexamethylene diisocyanate, two isocyanide of benzhydryl
One of acid esters, carbonizing and modifying diisocyanate, cyclohexyl diisocyanate and poly methylene poly phenyl poly isocyanate or
Two or more mixtures.
12. New Rigid polyvinyl chloride structural foam as claimed in claim 1 or 2, wherein the filler is filled out for macromolecular
Material, the macromolecular filler are one of chitosan, amino modified polycaprolactone, chitin or alkaloid or a variety of mixing
Object, one of optional chitosan, chitin, alkaloid or a variety of mixtures.
13. such as the preparation method of New Rigid polyvinyl chloride structural foam of any of claims 1-12, feature
Be the following steps are included:
(1) it is sufficiently mixed material in blender in -0.09Mpa, obtains uniform pasty mixture, mixing time 30-
90min；
(2) pasty mixture obtained in (1) is imported in the good mold of leakproofness, is 5- in 145-195 DEG C and pressure
It is molded under the conditions of 35Mpa, is cooled to room temperature and obtains foaming embryo block；
(3) foaming embryo block obtained in (2) is placed in and carries out being expanded into design density in 65-95 DEG C of water bath or vaporium；
(4) the semi-finished product foam prepared in (3) is placed in extra cyanogen acid-base reaction in 35-85 DEG C of water bath or vaporium
Obtain rigid foam.
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