CN109054233A - A kind of micropore PVC foamed material and preparation method thereof - Google Patents
A kind of micropore PVC foamed material and preparation method thereof Download PDFInfo
- Publication number
- CN109054233A CN109054233A CN201810763759.3A CN201810763759A CN109054233A CN 109054233 A CN109054233 A CN 109054233A CN 201810763759 A CN201810763759 A CN 201810763759A CN 109054233 A CN109054233 A CN 109054233A
- Authority
- CN
- China
- Prior art keywords
- foamed material
- pvc foamed
- anhydride
- micropore
- acid
- Prior art date
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- 239000000463 material Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000006260 foam Substances 0.000 claims abstract description 14
- 239000012948 isocyanate Substances 0.000 claims abstract description 14
- 150000008065 acid anhydrides Chemical class 0.000 claims abstract description 13
- 239000004088 foaming agent Substances 0.000 claims abstract description 9
- 239000002667 nucleating agent Substances 0.000 claims abstract description 8
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 7
- 239000004615 ingredient Substances 0.000 claims abstract description 6
- 125000003700 epoxy group Chemical group 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims abstract description 5
- 239000003381 stabilizer Substances 0.000 claims abstract description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 60
- 239000004800 polyvinyl chloride Substances 0.000 claims description 60
- 239000000203 mixture Substances 0.000 claims description 20
- 239000000047 product Substances 0.000 claims description 20
- 229920005989 resin Polymers 0.000 claims description 20
- 239000011347 resin Substances 0.000 claims description 20
- 239000003822 epoxy resin Substances 0.000 claims description 18
- 229920000647 polyepoxide Polymers 0.000 claims description 18
- -1 aliphatic isocyanates Chemical class 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 15
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 14
- 229920002545 silicone oil Polymers 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 10
- 239000004593 Epoxy Substances 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- 239000004156 Azodicarbonamide Substances 0.000 claims description 8
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 claims description 8
- 150000008064 anhydrides Chemical group 0.000 claims description 8
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims description 8
- 235000019399 azodicarbonamide Nutrition 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 6
- 235000011187 glycerol Nutrition 0.000 claims description 6
- VACCAVUAMIDAGB-UHFFFAOYSA-N sulfamethizole Chemical compound S1C(C)=NN=C1NS(=O)(=O)C1=CC=C(N)C=C1 VACCAVUAMIDAGB-UHFFFAOYSA-N 0.000 claims description 6
- 229940008099 dimethicone Drugs 0.000 claims description 5
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 5
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 5
- VYKXQOYUCMREIS-UHFFFAOYSA-N methylhexahydrophthalic anhydride Chemical compound C1CCCC2C(=O)OC(=O)C21C VYKXQOYUCMREIS-UHFFFAOYSA-N 0.000 claims description 5
- 229920000435 poly(dimethylsiloxane) Polymers 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 claims description 4
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims description 4
- 125000005442 diisocyanate group Chemical group 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
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- IDWXQRMUCRXFAK-UHFFFAOYSA-N (2-phenyldiazenylhydrazinyl)benzene Chemical compound C=1C=CC=CC=1N=NNNC1=CC=CC=C1 IDWXQRMUCRXFAK-UHFFFAOYSA-N 0.000 claims description 3
- MUTGBJKUEZFXGO-OLQVQODUSA-N (3as,7ar)-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione Chemical compound C1CCC[C@@H]2C(=O)OC(=O)[C@@H]21 MUTGBJKUEZFXGO-OLQVQODUSA-N 0.000 claims description 3
- ZXHZWRZAWJVPIC-UHFFFAOYSA-N 1,2-diisocyanatonaphthalene Chemical compound C1=CC=CC2=C(N=C=O)C(N=C=O)=CC=C21 ZXHZWRZAWJVPIC-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 3
- 239000012965 benzophenone Substances 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 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 3
- 239000011521 glass Substances 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229920001228 polyisocyanate Polymers 0.000 claims description 3
- 239000005056 polyisocyanate Substances 0.000 claims description 3
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 239000002383 tung oil Substances 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- YAXXOCZAXKLLCV-UHFFFAOYSA-N 3-dodecyloxolane-2,5-dione Chemical compound CCCCCCCCCCCCC1CC(=O)OC1=O YAXXOCZAXKLLCV-UHFFFAOYSA-N 0.000 claims description 2
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical compound N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- XCJXQCUJXDUNDN-UHFFFAOYSA-N chlordene Chemical compound C12C=CCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl XCJXQCUJXDUNDN-UHFFFAOYSA-N 0.000 claims description 2
- 238000013461 design Methods 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 125000005456 glyceride group Chemical group 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 claims description 2
- 239000011265 semifinished product Substances 0.000 claims description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims 2
- OTEKOJQFKOIXMU-UHFFFAOYSA-N 1,4-bis(trichloromethyl)benzene Chemical compound ClC(Cl)(Cl)C1=CC=C(C(Cl)(Cl)Cl)C=C1 OTEKOJQFKOIXMU-UHFFFAOYSA-N 0.000 claims 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- 125000004018 acid anhydride group Chemical group 0.000 claims 1
- 238000010669 acid-base reaction Methods 0.000 claims 1
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 239000010426 asphalt Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- MWSKJDNQKGCKPA-UHFFFAOYSA-N 6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1CC(C)=CC2C(=O)OC(=O)C12 MWSKJDNQKGCKPA-UHFFFAOYSA-N 0.000 description 2
- 206010015150 Erythema Diseases 0.000 description 2
- 230000002902 bimodal effect Effects 0.000 description 2
- 235000010290 biphenyl Nutrition 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 231100000321 erythema Toxicity 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- HBGPNLPABVUVKZ-POTXQNELSA-N (1r,3as,4s,5ar,5br,7r,7ar,11ar,11br,13as,13br)-4,7-dihydroxy-3a,5a,5b,8,8,11a-hexamethyl-1-prop-1-en-2-yl-2,3,4,5,6,7,7a,10,11,11b,12,13,13a,13b-tetradecahydro-1h-cyclopenta[a]chrysen-9-one Chemical compound C([C@@]12C)CC(=O)C(C)(C)[C@@H]1[C@H](O)C[C@]([C@]1(C)C[C@@H]3O)(C)[C@@H]2CC[C@H]1[C@@H]1[C@]3(C)CC[C@H]1C(=C)C HBGPNLPABVUVKZ-POTXQNELSA-N 0.000 description 1
- PFRGGOIBYLYVKM-UHFFFAOYSA-N 15alpha-hydroxylup-20(29)-en-3-one Natural products CC(=C)C1CCC2(C)CC(O)C3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 PFRGGOIBYLYVKM-UHFFFAOYSA-N 0.000 description 1
- WXQDFOGZIYLEGP-UHFFFAOYSA-N C(C(C)C)#N.C(C(C)C)#N.[N] Chemical compound C(C(C)C)#N.C(C(C)C)#N.[N] WXQDFOGZIYLEGP-UHFFFAOYSA-N 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- 229920002396 Polyurea Polymers 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- SOKRNBGSNZXYIO-UHFFFAOYSA-N Resinone Natural products CC(=C)C1CCC2(C)C(O)CC3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 SOKRNBGSNZXYIO-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001596 poly (chlorostyrenes) Polymers 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004616 structural foam Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 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
- 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
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
-
- 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
- C08J2203/18—Binary blends of expanding 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
This application discloses a kind of micropore PVC foamed material, which be prepared by 1-22 parts of 60-100 parts of Corvic, azo foaming agent and nucleating agent, 8-160 parts of isocyanates, 1-20 parts of acid anhydrides, 0-4 parts of foam stabilizer, 0-12 parts of the ingredient containing epoxy group and 0-6 parts of filler.In addition, also disclosing the preparation method of the foamed material.The advantages of the application, is that the ability of thermal deformation resistant can be significantly improved.
Description
Technical field
The present invention relates to field of material technology, in particular to a kind of micropore PVC foamed material and preparation method thereof.
Background technique
Micropore PVC foamed material is divided into linear PVC foam and crosslinked PVC foam.The production of hard crosslinked PVC structural foam
Technique be earliest by German Lin Deman the thirties in last century later period model it is bright, be initially used in insulation compartment, with
People it is constantly recognized, excellent specific strength, specific modulus and excellent corrosion resistance, anti-flammability etc. are gradually developed,
Sandwich structure composite material be can be used as applied to structural bearing, be gradually widely used in wind energy, aerospace, building, traffic
The fields such as track.
106117871 A of Chinese patent CN discloses a kind of preparation method of modified PVC foamed plastics, is contained by introducing
The ingredient and inorganic matter for having rigid structure improve heat resistance；Patent WO2005/092958A2, which is disclosed, a kind of prepares crosslinking polychlorostyrene
The initial formulation and preparation method of vinyl foam, the compound by generating three polyurea structures easily improve temperature tolerance.Chinese patent
103509273 A of CN discloses a kind of modified hard crosslinked polyvinyl chloride foam, improves by using the mode of addition filler resistance to
It is hot.
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 polyvinyl chloride resin using even molecular weight distribution and the lesser liquid materials of viscosity, partial size
Moderate powder material not only increases the heat resisting temperature of product in the form of generating poly structure, and improves yield rate.This
Outside, the application can effectively reduce the viscosity of premix, shorten incorporation time, improve storeroom wellability.
Specifically, this application provides a kind of micropore PVC foamed materials, it is made of the raw material of following weight ratio:
In a kind of micropore PVC foamed material of the application, which is made of the raw material of following weight ratio:
In a kind of micropore PVC foamed material of the application, wherein the number average molecular weight distribution of the polyvinyl chloride resin is single
Peak.
In a kind of micropore PVC foamed material of the application, wherein viscosity of the polyvinyl chloride resin at 25-30 DEG C is
500-18400mPa.s。
In a kind of micropore PVC foamed material of the application, wherein the molecular weight distribution of the polyvinyl chloride resin is in 8000-
One kind between 12000 or 9000-13000.
In a kind of micropore PVC foamed material of the application, wherein the polyvinyl chloride resin is partial size between 0.1um-3um
White fine-powder.
In a kind of micropore PVC foamed material of the application, wherein the azo foaming agent and nucleating agent can be idol
One or both of nitrogen bis-isobutyronitrile (AIBN), azobisisoheptonitrile (AMBN), azodicarbonamide (AC), azoaniline
Arbitrary proportion mixture.
In a kind of micropore PVC foamed material of the application, wherein the azo foaming agent nucleating agent be it is faint yellow or
In white any one or both arbitrary proportion.
In a kind of micropore PVC foamed material of the application, wherein the azo foaming agent is crystalloid with nucleating agent
Powder, the mixture of any one or arbitrary proportion of the partial size between 2.5um-30um (460-6000 mesh).
In a kind of micropore PVC foamed material of the application, wherein the isocyanates can be aromatic series isocyanic acid
One or two kinds of arbitrary proportions of ester, aliphatic isocyanates；Poly methylene poly phenyl poly isocyanate can be selected from
(PAPI or M20S), diphenyl diisocyanate (MIPS or MI50), modifying diisocyanates (such as CDC or MM103C),
The arbitrary proportion mixture of any one or a few in toluene di-isocyanate(TDI) and naphthalene diisocyanate.
In a kind of micropore PVC foamed material of the application, wherein viscosity is 25- at 25 DEG C of the isocyanates
The faint yellow or yellow liquid of 7700mPa.s clear, brown liquid, any combination arbitrary proportion in colourless liquid.
In a kind of micropore PVC foamed material of the application, wherein the acid anhydrides contains an anhydride group or two acid anhydrides
Group, can selected from phthalic anhydride, maleic anhydride, tetrabydrophthalic anhydride, methyl tetrahydrophthalic anhydride,
Methylhexahydrophthalic anhydride, dodecyl succinic anhydride, equal benzene tetramethyl acid dianhydride, methine phthalic acid in chlordene
Acid anhydride, tung oil acid anhydride, one of hexahydrophthalic anhydride, benzophenone tetracid dianhydride, pyromellitic acid dianhydride and diphenyl ether tetracid dianhydride or
It is a variety of.
In a kind of micropore PVC foamed material of the application, wherein the viscosity of the acid anhydrides is the saturating of 20-100mPa.s
Prescribed liquid or partial size are one of white powder of 800-1500 mesh or any combination.
In a kind of micropore PVC foamed material of the application, wherein the ingredient containing epoxy group can be asphalt mixtures modified by epoxy resin
Lipid product can be selected from but not limited to propanepoxy resin, phenolic aldehyde multi-epoxy resin, fatty glyceride asphalt mixtures modified by epoxy resin
Rouge, glycerol epoxy resin, aliphatic glycidyl ester, epoxy silicone, resorcinol type epoxy and organic phosphorus asphalt mixtures modified by epoxy resin
One or more of rouge.
In a kind of micropore PVC foamed material of the application, wherein the foam stabilizer is former by carbon atom, silicon atom, oxygen
A kind of clear liquid that the viscosity with collateral chain structure is 200-1000mPa.s composed by son, hydrogen atom；It is described equal
Infusion can be selected from one of silicone oil SD-611, silicone oil SD-202, silicone oil SD-601, silicone oil AK8805 or dimethicone or
It is a variety of.
In a kind of micropore PVC foamed material of the application, wherein the filler can be inorganic matter, and not with the material
Other compositions chemically react in expecting；It can be in calcium carbonate, micropore glass pearl, montmorillonite or zinc oxide
It is one or more.
On the other hand, this application provides the preparation methods of above-mentioned micropore PVC foamed material comprising following steps:
(1) it is sufficiently mixed material 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.
Compared with disclosed technology, micropore PVC foamed material provided by the present application is that thermal deformation resistant can be significantly improved
Ability.
Specific embodiment
It to make the objectives, technical solutions, and advantages of the present invention clearer, hereinafter will be to the embodiment of the present invention
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.
In the embodiment of the present application, this application provides a kind of micropore PVC foamed material, it by following weight ratio raw material
It is made:
Optionally, which is made of the raw material of following weight ratio:
Wherein, the number average molecular weight distribution of the polyvinyl chloride resin is unimodal；Optionally, the polyvinyl chloride resin is at 25-30 DEG C
Viscosity be 500-18400mPa.s；Optionally, the molecular weight distribution of the polyvinyl chloride resin is in 8000-12000 or 9000-13000
Between one kind；Optionally, the polyvinyl chloride resin is white fine-powder of the partial size between 0.1um-3um；
The azo foaming agent can be azodiisobutyronitrile (AIBN), azobisisoheptonitrile (AMBN), azo diformazan
The arbitrary proportion mixture of one or both of amide (AC), azoaniline；Optionally, the azo foaming agent nucleating agent
For in faint yellow or white any one or both arbitrary proportion；Optionally, the azo foaming agent is with nucleating agent
Crystalline powder, the mixture of any one or arbitrary proportion of the partial size between 2.5um-30um (460-6000 mesh)；
The isocyanates can be one or two kinds of any ratios of aromatic isocyanate, aliphatic isocyanates
Example；Can selected from poly methylene poly phenyl poly isocyanate (PAPI or M20S), diphenyl diisocyanate (MIPS or
MI50), any in modifying diisocyanates (such as CDC or MM103C), toluene di-isocyanate(TDI) and naphthalene diisocyanate
One or more of arbitrary proportion mixtures；Optionally, viscosity is that 25-7700mPa.s clarification is saturating at 25 DEG C of the isocyanates
Bright faint yellow or yellow liquid, brown liquid, any combination arbitrary proportion in colourless liquid；
The acid anhydrides contains an anhydride group or two anhydride groups, can be selected from phthalic anhydride, maleic acid
Acid anhydride, tetrabydrophthalic anhydride, methyl tetrahydrophthalic anhydride, methylhexahydrophthalic anhydride, dodecyl fourth two
Acid anhydrides, equal benzene tetramethyl acid dianhydride, methine phthalic anhydride, tung oil acid anhydride in chlordene, hexahydrophthalic anhydride, benzophenone tetracid two
One or more of acid anhydride, pyromellitic acid dianhydride and diphenyl ether tetracid dianhydride；Optionally, the viscosity of the acid anhydrides is 20-
The transparency liquid or partial size of 100mPa.s is one of white powder of 800-1500 mesh or any combination；
The ingredient containing epoxy group can be epoxy resin product, can be selected from but not limited to diphenol propane ring
Oxygen resin, phenolic aldehyde multi-epoxy resin, fatty acid glycerine ester epoxy resin, glycerol epoxy resin, aliphatic glycidyl ester, silicon
One or more of epoxy resin, resorcinol type epoxy and organic phosphorus epoxy resin；
The foam stabilizer is a kind of viscous with collateral chain structure as composed by carbon atom, silicon atom, oxygen atom, hydrogen atom
Degree is the clear liquid of 200-1000mPa.s；It can be selected from silicone oil SD-611, silicone oil SD-202, silicone oil SD-601, silicone oil
It is one or more in AK8805 or dimethicone.
The filler can be inorganic matter, and not chemically react with other compositions in the material；It can be selected from but not
It is limited to one of calcium carbonate, micropore glass pearl, montmorillonite or zinc oxide or a variety of.
Further explanation is of the invention with reference to embodiments, raw materials used commercially available in embodiment.
Below by embodiment, the present invention is further described:
Embodiment 1
In -0.09Mpa in the uniform above-mentioned raw materials of stirrer for mixing, homogeneous paste mixture is obtained, mixing time is
20min。
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.
Note: following embodiment and comparative example are prepared in this way.
Match the product that formula density can be made between 50-60kg/m3 according to this, there are portion in this product surface and inside
Divide red area.
It is the unimodal resin that molecular weight is 9000-13000 in PVC of the embodiment 1 into embodiment 5.
Embodiment 2
| Component | Parts by weight | Viscosity/mPa.s | Mesh number |
| PVC (polyvinyl chloride) | 100.00 | 2000-6000 | |
| Methyl hexahydrophthalic anhydride | 6.50 | 30-60 | |
| CDC | 80.16 | 20—280 | |
| M20S (polyfunctionality cyanate) | 14.21 | 170-200 | |
| AN (azodiisobutyronitrile) | 8 | 800-1100 | |
| AC (azodicarbonamide) | 1.5 | 4000-6000 | |
| Dimethicone | 0.44 | 200-500 | |
| MI50 | 20 | 20—280 |
According to this with can be made product of the density between 60-70kg/m3, product surface yellow, without obvious dent and
Erythema.
Embodiment 3
According to this with can be made product of the density between 70-80kg/m3, product surface yellow, without obvious dent and
Erythema.
Embodiment 4
According to this with product of the density between 60-70kg/m3 can be made, product surface is faint yellow.
Embodiment 5
Density can be made in 60-70kg/m by matching according to this3Between product, product surface is faint yellow.
Be above the premix in embodiment, configured viscosity it is smaller, have trickling property, mold can be full of automatically,
Bubble easily in abjection premix, while prepared product has preferable dimensional variability resistant to high temperatures, length, width and height and volume
Size changing rate can be controlled in 10% or less at 120 DEG C.
[comparative example 1]
| Component | Parts by weight | Viscosity/mPa.s | Mesh number |
| PVC (polyvinyl chloride) | 100.00 | 1000-3000 | |
| Methyl hexahydrophthalic anhydride | 6.50 | 30-60 | |
| CDC | 100.16 | 20—300 | |
| PAPI (polyfunctionality cyanate) | 14.21 | 170-300 | |
| AN (azodiisobutyronitrile) | 10 | 900-1300 | |
| AC (azodicarbonamide) | 1.5 | 4000-6000 | |
| Dimethicone | 0.44 | 200-500 |
Note: the molecular weight of PVC (polyvinyl chloride) resin is bimodal in this formula, respectively in 15000-18000 and 21000-
Between 24000.
The product of this formula size changing rate at 120 DEG C is up to 20% or so.
[comparative example 2]
Note: the molecular weight of PVC (polyvinyl chloride) resin is bimodal in this formula, respectively in 15000-18000 and 21000-
Between 24000.
The product of this formula size changing rate at 120 DEG C is up to 15% or so.
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 (12)
1. a kind of micropore PVC foamed material, it is made of the raw material of following weight ratio:
2. micropore PVC foamed material according to claim 1 is made of the raw material of following weight ratio:
3. micropore PVC foamed material according to claim 1 or 2, wherein viscosity of the polyvinyl chloride resin at 25-30 DEG C
For 500-18400mPa.s；Optionally,
The one kind of the molecular weight distribution of the polyvinyl chloride resin between 8000-12000 or 9000-13000；Optionally,
The polyvinyl chloride resin is white fine-powder of the partial size between 0.1um-3um.
4. micropore PVC foamed material according to claim 1 or 2, wherein the azo foaming agent and nucleating agent can be with
It is the arbitrary proportion mixing of one or both of azodiisobutyronitrile, azobisisoheptonitrile, azodicarbonamide, azoaniline
Object；
Optionally, the azo foaming agent and nucleating agent are crystalline powder, and partial size is any between 2.5um-30um
A kind of or arbitrary proportion mixture.
5. micropore PVC foamed material according to claim 1 or claim 2, wherein the isocyanates can be aromatic series isocyanic acid
One or two kinds of arbitrary proportions of ester, aliphatic isocyanates；Poly methylene poly phenyl poly isocyanate, hexichol can be selected from
Any one or a few in group diisocyanate, modifying diisocyanates, toluene di-isocyanate(TDI) and naphthalene diisocyanate
Arbitrary proportion mixture；
Optionally, viscosity is the faint yellow or yellow liquid of 25-7700mPa.s clears, palm fibre at 25 DEG C of the isocyanates
Any combination arbitrary proportion in color liquid, colourless liquid.
6. micropore PVC foamed material according to claim 1 or claim 2, wherein the acid anhydrides contains an anhydride group or two acid
Anhydride group can be selected from phthalic anhydride, maleic anhydride, tetrabydrophthalic anhydride, methyl tetrahydrophthalic acid
Acid anhydride, methylhexahydrophthalic anhydride, dodecyl succinic anhydride, equal benzene tetramethyl acid dianhydride, methine neighbour's benzene in chlordene
Dicarboxylic anhydride, tung oil acid anhydride, one of hexahydrophthalic anhydride, benzophenone tetracid dianhydride, pyromellitic acid dianhydride and diphenyl ether tetracid dianhydride
Or it is a variety of；
Optionally, the transparency liquid or partial size that the acid anhydrides viscosity is 20-100mPa.s are in the white powder of 800-1500 mesh
One kind or any combination.
7. micropore PVC foamed material according to claim 1 or claim 2, wherein the ingredient containing epoxy group can be epoxy
Resinae product can be selected from but not limited to propanepoxy resin, phenolic aldehyde multi-epoxy resin, fatty glyceride epoxy
Resin, glycerol epoxy resin, aliphatic glycidyl ester, epoxy silicone, resorcinol type epoxy and organic phosphorus epoxy
One or more of resin.
8. micropore PVC foamed material according to claim 1 or claim 2, wherein the foam stabilizer is former by carbon atom, silicon atom, oxygen
A kind of clear liquid that the viscosity with collateral chain structure is 200-1000mPa.s composed by son, hydrogen atom.
9. micropore PVC foamed material according to claim 8, wherein the foam stabilizer can be selected from silicone oil SD-611, silicone oil
One of SD-202, silicone oil SD-601, silicone oil AK8805 and dimethicone are a variety of.
10. micropore PVC foamed material according to claim 1 or claim 2, wherein the filler is selected from calcium carbonate, micropore glass
One of pearl, montmorillonite and zinc oxide are a variety of.
11. micropore PVC foamed material according to claim 1 or claim 2, wherein the ingredient containing epoxy group can be selected from
Propanepoxy resin, phenolic aldehyde multi-epoxy resin, fatty acid glycerine ester epoxy resin, glycerol epoxy resin, aliphatic
One or more of ethylene oxidic ester, epoxy silicone, resorcinol type epoxy and organic phosphorus epoxy resin.
12. the preparation method of micropore PVC foamed material, includes the following steps: described in any one of claim 1-10
(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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