CN112778575A - 透明pvc用热稳定剂组合物及其应用 - Google Patents
透明pvc用热稳定剂组合物及其应用 Download PDFInfo
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- CN112778575A CN112778575A CN202110040672.5A CN202110040672A CN112778575A CN 112778575 A CN112778575 A CN 112778575A CN 202110040672 A CN202110040672 A CN 202110040672A CN 112778575 A CN112778575 A CN 112778575A
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- Prior art keywords
- heat stabilizer
- parts
- transparent pvc
- antioxidant
- stabilizer composition
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- 239000012760 heat stabilizer Substances 0.000 title claims abstract description 68
- 239000000203 mixture Substances 0.000 title claims abstract description 34
- YNGDWRXWKFWCJY-UHFFFAOYSA-N 1,4-Dihydropyridine Chemical class C1C=CNC=C1 YNGDWRXWKFWCJY-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 21
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 15
- FCSHMCFRCYZTRQ-UHFFFAOYSA-N N,N'-diphenylthiourea Chemical compound C=1C=CC=CC=1NC(=S)NC1=CC=CC=C1 FCSHMCFRCYZTRQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 150000001412 amines Chemical class 0.000 claims abstract description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 3
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims description 31
- -1 acetoacetic acid ester Chemical class 0.000 claims description 30
- 239000004014 plasticizer Substances 0.000 claims description 20
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 16
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical group [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 15
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 14
- 235000012424 soybean oil Nutrition 0.000 claims description 12
- 239000003549 soybean oil Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 10
- WDJHALXBUFZDSR-UHFFFAOYSA-M acetoacetate Chemical compound CC(=O)CC([O-])=O WDJHALXBUFZDSR-UHFFFAOYSA-M 0.000 claims description 10
- 239000012188 paraffin wax Substances 0.000 claims description 10
- 229920000573 polyethylene Polymers 0.000 claims description 10
- 150000003138 primary alcohols Chemical class 0.000 claims description 10
- 238000000967 suction filtration Methods 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000001993 wax Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 239000012153 distilled water Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 claims description 6
- 239000005695 Ammonium acetate Substances 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 6
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 6
- 235000019257 ammonium acetate Nutrition 0.000 claims description 6
- 229940043376 ammonium acetate Drugs 0.000 claims description 6
- HORIEOQXBKUKGQ-UHFFFAOYSA-N bis(7-methyloctyl) cyclohexane-1,2-dicarboxylate Chemical compound CC(C)CCCCCCOC(=O)C1CCCCC1C(=O)OCCCCCCC(C)C HORIEOQXBKUKGQ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004806 diisononylester Substances 0.000 claims description 6
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000314 lubricant Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- PZRWFKGUFWPFID-UHFFFAOYSA-N 3,9-dioctadecoxy-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound C1OP(OCCCCCCCCCCCCCCCCCC)OCC21COP(OCCCCCCCCCCCCCCCCCC)OC2 PZRWFKGUFWPFID-UHFFFAOYSA-N 0.000 claims description 5
- QZCLKYGREBVARF-UHFFFAOYSA-N Acetyl tributyl citrate Chemical compound CCCCOC(=O)CC(C(=O)OCCCC)(OC(C)=O)CC(=O)OCCCC QZCLKYGREBVARF-UHFFFAOYSA-N 0.000 claims description 5
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 5
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 5
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 5
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 5
- 239000001099 ammonium carbonate Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 5
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 4
- 229940085304 dihydropyridine derivative selective calcium channel blockers with mainly vascular effects Drugs 0.000 claims description 4
- 239000003444 phase transfer catalyst Substances 0.000 claims description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 4
- WPMYUUITDBHVQZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical compound CC(C)(C)C1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-N 0.000 claims description 2
- WDJHALXBUFZDSR-UHFFFAOYSA-N Acetoacetic acid Natural products CC(=O)CC(O)=O WDJHALXBUFZDSR-UHFFFAOYSA-N 0.000 claims description 2
- NOWFQOWNIXZVPF-UHFFFAOYSA-N C(CCCCCCC(C)C)OP(OCCCCCCCC(C)C)OP(O)O.C(O)C(CO)(CO)CO Chemical compound C(CCCCCCC(C)C)OP(OCCCCCCCC(C)C)OP(O)O.C(O)C(CO)(CO)CO NOWFQOWNIXZVPF-UHFFFAOYSA-N 0.000 claims description 2
- 230000003712 anti-aging effect Effects 0.000 claims description 2
- HRELNAWNYHNHHO-UHFFFAOYSA-N bis(7-methyloctyl) benzene-1,2-dicarboxylate cyclohexane Chemical group C1CCCCC1.C(CCCCCC(C)C)OC(C=1C(C(=O)OCCCCCCC(C)C)=CC=CC1)=O HRELNAWNYHNHHO-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 150000002148 esters Chemical group 0.000 claims description 2
- XKBGEWXEAPTVCK-UHFFFAOYSA-M methyltrioctylammonium chloride Chemical group [Cl-].CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC XKBGEWXEAPTVCK-UHFFFAOYSA-M 0.000 claims description 2
- HYTJADYUOGDVRL-UHFFFAOYSA-N n-phenyl-n-(2-phenylpropan-2-yl)aniline Chemical compound C=1C=CC=CC=1C(C)(C)N(C=1C=CC=CC=1)C1=CC=CC=C1 HYTJADYUOGDVRL-UHFFFAOYSA-N 0.000 claims description 2
- 239000002530 phenolic antioxidant Substances 0.000 claims description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- CEYYIKYYFSTQRU-UHFFFAOYSA-M trimethyl(tetradecyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCC[N+](C)(C)C CEYYIKYYFSTQRU-UHFFFAOYSA-M 0.000 claims description 2
- ICKWICRCANNIBI-UHFFFAOYSA-N 2,4-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C(C(C)(C)C)=C1 ICKWICRCANNIBI-UHFFFAOYSA-N 0.000 claims 2
- GXURZKWLMYOCDX-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)propane-1,3-diol;dihydroxyphosphanyl dihydrogen phosphite Chemical compound OP(O)OP(O)O.OCC(CO)(CO)CO GXURZKWLMYOCDX-UHFFFAOYSA-N 0.000 claims 1
- 230000003068 static effect Effects 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 55
- 229920000915 polyvinyl chloride Polymers 0.000 description 54
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 description 3
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- SHLNMHIRQGRGOL-UHFFFAOYSA-N barium zinc Chemical compound [Zn].[Ba] SHLNMHIRQGRGOL-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-Lutidine Substances CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- BGHBLQKNCVRIKV-UHFFFAOYSA-N OP(O)OP(O)O.OCC(CO)(CO)CO.C(C)(C)(C)C1=C(C=CC(=C1)C(C)(C)C)O.C(C)(C)(C)C1=C(C=CC(=C1)C(C)(C)C)O Chemical compound OP(O)OP(O)O.OCC(CO)(CO)CO.C(C)(C)(C)C1=C(C=CC(=C1)C(C)(C)C)O.C(C)(C)(C)C1=C(C=CC(=C1)C(C)(C)C)O BGHBLQKNCVRIKV-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- CBWMTXHJHRKXQF-UHFFFAOYSA-L barium(2+);6-methylheptanoate Chemical compound [Ba+2].CC(C)CCCCC([O-])=O.CC(C)CCCCC([O-])=O CBWMTXHJHRKXQF-UHFFFAOYSA-L 0.000 description 1
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 description 1
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 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
- 230000000694 effects Effects 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229960001545 hydrotalcite Drugs 0.000 description 1
- 229910001701 hydrotalcite Inorganic materials 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 150000008301 phosphite esters Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004597 plastic additive Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- ADJMNWKZSCQHPS-UHFFFAOYSA-L zinc;6-methylheptanoate Chemical compound [Zn+2].CC(C)CCCCC([O-])=O.CC(C)CCCCC([O-])=O ADJMNWKZSCQHPS-UHFFFAOYSA-L 0.000 description 1
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- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
-
- 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
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- 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
- C08K5/13—Phenols; Phenolates
-
- 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
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
-
- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
-
- 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
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/527—Cyclic esters
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
本发明公开了透明PVC用热稳定剂组合物及其应用,热稳定剂组合物中至少含有二氢吡啶衍生物作为主热稳定剂;所述热稳定剂组合物中,还包括作为辅助热稳定剂A的胺类防老剂,作为辅助热稳定剂B的酚类抗氧剂以及作为辅助热稳定剂C的亚磷酸酯类抗氧剂。本发明所制得的PVC具有优异的静态热稳定性和动态热稳定性,所用的材料符合环保性要求且无异味。
Description
技术领域
本发明属于塑料助剂及其加工技术领域,具体涉及透明PVC用热稳定剂组合物及其应用。
背景技术
聚氯乙烯(PVC)是年产量仅次于聚乙烯的塑料品种,其应用非常广泛。其中透明PVC制品可广泛应用于食品包装、医疗用品等领域。PVC的加工过程中需要加入热稳定剂和增塑剂,以减缓其在加工过程中的热分解,减少有害物质HCl的释放。热稳定剂的种类很多,在透明材料中主要使用有机锡类热稳定剂、钙锌、钡锌等热稳定剂。中国专利CN 107057220B介绍了一种PVC用液体钡/锌透明复合热稳定剂,其主要使用为异辛酸钡、异辛酸锌等作为主稳定剂,水滑石或有机锡为辅助热稳定剂。中国专利CN 105566799 B使用钙锌热稳定剂,柠檬酸酯和环氧大豆油增塑剂制备透明PVC材料,其透明度可达90%以上。使用钙锌、钡锌做PVC的热稳定剂使用时静态热稳定性和动态热稳定性欠佳。使用有机锡类作为PVC的热稳定剂时,所制得的PVC材料也具有较好的透明性,但是有的有机锡类有毒、有的有异味,使用时需注意。
发明内容
为了克服上述现有技术的不足,本发明专利所要解决的技术问题在于提供一种透明度较高,热稳定性能优异、环保的透明PVC用热稳定剂组合物。
本发明是通过如下技术方案实现的,透明PVC用热稳定剂组合物,热稳定剂组合物中至少含有二氢吡啶衍生物作为主热稳定剂;
所述二氢吡啶衍生物,其结构为:
其中,n为2-23。
作为本发明所述的透明PVC用热稳定剂组合物的优选方案:所述n为11-23。
作为本发明所述的透明PVC用热稳定剂组合物的优选方案:所述二氢吡啶衍生物的制备采用两步法:
化学反应方程式如下所示:
第一步,反应通过乙酰乙酸乙酯CH3COCH2COOC2H5与n+1个碳原子的伯醇CH3(CH2)nOH发生酯交换反应,得到乙酰乙酸正(n+1)酯;所使用的催化剂为氢氧化钾或者碳酸钾;反应温度控制在120-190℃;
乙酰乙酸乙酯CH3COCH2COOC2H5与n+1个碳原子的伯醇CH3(CH2)nOH的物质的量之比为(1.2~1.8):1;
具体是将上述催化剂和乙酰乙酸乙酯CH3COCH2COOC2H5放入反应烧瓶中,再加入n+1个碳原子的伯醇CH3(CH2)nOH;
若n+1个碳原子的伯醇CH3(CH2)nOH为液态时,可直接放入滴液漏斗中,在加热、搅拌、惰性气体保护的条件下缓缓滴入反应烧瓶;
若n+1个碳原子的伯醇CH3(CH2)nOH为固态时,需要均分成多份,分多次逐步加入到烧瓶中,在加热、搅拌、惰性气体保护的条件下反应;
在伯醇加入完毕后,恒定反应温度再反应2-10小时;降低温度至60-100℃,减压蒸馏,至不再有馏出液为止,即可得到乙酰乙酸正(n+1)酯CH3COCH2COO(CH2)nCH3;
第二步,反应是在第一步反应所得的乙酰乙酸正(n+1)酯CH3COCH2COO(CH2)nCH3中加入醋酸至其呈现弱酸性,而后加入一定量经过干燥的醋酸铵或者碳酸氢铵,再加入相转移催化剂;相转移催化剂为三辛基甲基氯化铵、十六烷基三甲基溴化铵或者十四烷基三甲基氯化铵;在加热、搅拌、惰性气体保护的条件下将乌洛托品水溶液缓缓滴入,反应温度控制在125-135℃;反应时间控制在2-8小时;
乙酰乙酸正(n+1)酯CH3COCH2COO(CH2)nCH3与乌洛托品的物质的量比为(4~6):1;
乙酰乙酸正(n+1)酯CH3COCH2COO(CH2)nCH3与醋酸铵或碳酸氢铵的物质的量比为(1~1.5):1;
反应结束后,降至室温,所生成的二氢吡啶衍生物会在体系中析出;抽滤后,先用乙醇洗涤、再用蒸馏水洗涤,抽滤后烘干,即得到二氢吡啶衍生物。
作为本发明所述的透明PVC用热稳定剂组合物的优选方案:所述乙酰乙酸乙酯CH3COCH2COOC2H5与n+1个碳原子的伯醇CH3(CH2)nOH的物质的量之比为(1.5~1.8):1。
作为本发明所述的透明PVC用热稳定剂组合物的优选方案:所述热稳定剂组合物中,还包括作为辅助热稳定剂A的胺类防老剂,作为辅助热稳定剂B的酚类抗氧剂以及作为辅助热稳定剂C的亚磷酸酯类抗氧剂。
作为本发明所述的透明PVC用热稳定剂组合物的优选方案:所述胺类防老剂为:4,4'-二(苯基异丙基)二苯胺(KY-405)。
作为本发明所述的透明PVC用热稳定剂组合物的优选方案:所述酚类抗氧剂为:四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯(抗氧剂1010)或2,2'-亚甲基双(4-甲基-6-叔丁基苯酚)(抗氧剂2246)。
作为本发明所述的透明PVC用热稳定剂组合物的优选方案:所述亚磷酸酯类抗氧剂为:二亚磷酸季戊四醇二异葵酯(抗氧剂3010)、季戊四醇二亚磷酸双十八酯(抗氧剂618)和双(2,4-二叔丁基苯酚)季戊四醇二亚磷酸酯(抗氧剂626)
所述的透明PVC用热稳定剂组合物在透明PVC材料中应用,透明PVC材料中,各原料及其质量份数为:PVC为100份;二氢吡啶衍生物、1-2份,辅助热稳定剂A、0.5-1.5份,辅助热稳定剂B、0.4-0.6份,辅助热稳定剂C、0.1-0.2份,增塑剂、10-50份以及润滑剂0.5-1份;
所述增塑剂包括主增塑剂和副增塑剂,所述主增塑剂为环氧大豆油,其用量为8-30份;所述副增塑剂为环己烷-1,2-二甲酸二异壬基酯(DINCH)或乙酰柠檬酸三丁酯,其用量为2-20份;
所述环氧大豆油的环氧值大于等于6;
所述润滑剂包括0.3-0.5份的聚乙烯蜡,和0.2-0.5份的石蜡;
具体制备方法是,在高混机中加入PVC,二氢吡啶衍生物、辅助热稳定剂A、辅助热稳定剂B、辅助热稳定剂C,以及增塑剂和润滑剂进行混合;混合后的材料在高温开炼机中混炼均匀,高温开炼机的辊温控制在120-130℃;混炼均匀后,在平板硫化机中压制得到透明PVC试片。
本发明有益技术效果:本发明所制得的PVC具有优异的静态热稳定性和动态热稳定性,所用的材料符合环保性要求且无异味。
附图说明
图1是实施例1-3所制得二氢吡啶衍生物红外管谱图;
图2是实施例1-3和对比例所制得PVC试片动态热稳定性分析-转矩流变仪法(185℃,60r/min)。
具体实施方式
实施例1:
在烧瓶中加入191.4mL的CH3COCH2COOC2H5和少量氢氧化钾,在N2气体保护的条件下搅拌、加热。在滴液漏斗中加入223.2mL的CH3(CH2)11OH;当烧瓶内液体温度达到175℃时,开始将CH3(CH2)11OH滴入反应烧瓶中,控制滴速为0.5滴/s;将全部液体滴加结束后,在175℃下继续反应4小时;反应结束后,将温度降至70℃,减压蒸馏,至不再有馏出液为止,即得到第一步生成物。
准备新烧瓶,加入第一步生成物324g,并加入少量醋酸至液体呈现弱酸性;再加入经过干燥的醋酸铵77g以及经过干燥的十六烷基三甲基溴化铵7.29g,在N2气体保护的条件下搅拌、加热、回流;将42.05g乌洛托品溶于少量蒸馏水并置于滴液漏斗中;控制烧瓶内液体温度恒定在(125±0.2)℃时,将乌洛托品水溶液缓缓滴入,溶液滴加速度为1滴/s;待乌洛托品溶液滴加完成后,继续在(125±0.2)℃下反应2小时;反应结束后,降至室温,所生成的二氢吡啶衍生物会在体系中析出。
抽滤后,先用少量乙醇洗涤、再用蒸馏水洗涤,抽滤后烘干,即得到主热稳定剂二氢吡啶衍生物,该二氢吡啶衍生物的化学名称为:1,4-二氢-3,5-二醋酸十二酯-2,6-二甲基吡啶。
称取PVC、100份(质量份,以下同,PVC聚合度为1300),在其中加入的PVC热稳定剂组合物的用量为1,4-二氢-3,5-二醋酸十二酯-2,6-二甲基吡啶、1.5份,KY405、1份,抗氧剂为1010、0.5份,抗氧剂626、0.1份。除此之外,再加入环氧大豆油(环氧值为6.5)、25份,DINCH、15份,聚乙烯蜡、0.4份,石蜡、0.3份。
具体制备方法是,在高混机中加入PVC,1,4-二氢-3,5-二醋酸十二酯-2,6-二甲基吡啶、KY405、抗氧剂1010、抗氧剂626,以及环氧大豆油、DINCH以及聚乙烯蜡和石蜡进行混合;将混合后的材料在高温开炼机中混炼均匀,高温开炼机的辊温设置为120℃;混炼均匀后,在平板硫化机中压制得到PVC试片。
实施例2:
在烧瓶中加入191.4mL的CH3COCH2COOC2H5和少量氢氧化钾,在N2保护的条件下搅拌、加热。当烧瓶内液体温度达到190℃时,将354.6g的CH3(CH2)23OH按照少量多次原则,均分为20等份,分20次加入反应烧瓶中,每隔10分钟加一等份;将CH3(CH2)23OH全部加入后,在190℃下继续反应10小时,反应结束后,将温度降至80℃,减压蒸馏,至不再有馏出液为止,即得到第一步生成物。
准备新烧瓶,加入第一步生成物525.6g,并加入少量醋酸至液体呈现弱酸性。再加入经过干燥的醋酸铵77g以及经过干燥的十六烷基三甲基溴化铵7.29g,在N2保护的条件下搅拌、加热、回流。将42.05g乌洛托品溶于少量蒸馏水并置于滴液漏斗中。控制烧瓶内液体温度为(130±0.2)℃时,将乌洛托品水溶液溶液缓缓滴入,液体滴加速度为1滴/s。待乌洛托品溶液滴加完毕后,继续在(130±0.2)℃下反应6小时,反应结束后,降至室温,所生成的二氢吡啶衍生物会在体系中析出。抽滤后,先用少量乙醇洗涤、再用蒸馏水洗涤,抽滤后烘干,即得到二氢吡啶衍生物,该二氢吡啶衍生物的化学名称为:1,4-二氢-3,5-二醋酸二十四酯-2,6-二甲基吡啶。
称取PVC100份(质量份,以下同,聚合度为1200),在其中加入的PVC热稳定剂组合物的用量为1,4-二氢-3,5-二醋酸二十四酯-2,6-二甲基吡啶、1.5份,KY405、1.5份,抗氧剂为1010、0.5份,抗氧剂618,0.1份。除此之外,再加入环氧大豆油(环氧值为6.5)、20份,DINCH、20份,聚乙烯蜡、0.4份,石蜡、0.3份。
具体制备方法是,在高混机中加入PVC,1,4-二氢-3,5-二醋酸二十四酯-2,6-二甲基吡啶、KY405、抗氧剂1010、抗氧剂626,以及环氧大豆油、DINCH以及聚乙烯蜡和石蜡进行混合。将混合后的材料在高温开炼机中混炼均匀,高温开炼机的辊温设置为120℃。混炼均匀后,在平板硫化机中压制得到PVC试片。
实施例3:
在烧瓶中加入204.1mL的CH3COCH2COOC2H5和少量氢氧化钾,在N2保护的条件下搅拌、加热、回流。当烧瓶内液体温度达到190℃时,将354.6g的CH3(CH2)23OH按照少量多次原则,均分为20份,分20次加入反应烧瓶中,每隔10分钟加一份,将CH3(CH2)23OH全部加入后,在190℃下继续反应10小时,反应结束后,将温度降至80℃,减压蒸馏,至不再有馏出液为止。,即得到第一步生成物。
准备新烧瓶,加入第一步生成物591.3g,并加入少量醋酸至液体呈现弱酸性。再加入经过干燥的碳酸氢铵79.06g以及经过干燥的十六烷基三甲基溴化铵7.29g,在N2保护的条件下搅拌、加热、回流。将37.85g乌洛托品溶于少量蒸馏水并置于滴液漏斗中。控制烧瓶内液体温度为(130±0.2)℃时,将乌洛托品水溶液溶液缓缓滴入,液体滴加速度为1滴/s。待乌洛托品溶液滴加完成后,继续在(130±0.2)℃下反应6小时,反应结束后,降至室温,所生成的二氢吡啶衍生物会在体系中析出。抽滤后,先用少量乙醇洗涤、再用蒸馏水洗涤,抽滤后烘干,即得到二氢吡啶衍生物,该二氢吡啶衍生物的化学名称为:1,4-二氢-3,5-二醋酸二十四酯-2,6-二甲基吡啶。
称取PVC 100份(质量份,以下同,聚合度为1200),在其中加入的PVC热稳定剂组合物的用量为1,4-二氢-3,5-二醋酸二十四酯-2,6-二甲基吡啶、2份,KY405、1.5份,抗氧剂为2246、0.5份,抗氧剂3010、0.1份。除此之外,再加入环氧大豆油(环氧值为6.5)、20份,乙酰柠檬酸三丁酯、10份,聚乙烯蜡、0.4份,石蜡、0.3份。
具体制备方法是,在高混机中加入PVC,1,4-二氢-3,5-二醋酸二十四酯-2,6-二甲基吡啶、KY405、抗氧剂1010、抗氧剂626,以及环氧大豆油、乙酰柠檬酸三丁酯以及聚乙烯蜡和石蜡进行混合。将混合后的材料,在高温开炼机中混炼均匀,高温开炼机的辊温设置为120℃。混炼均匀后,在平板硫化机中压制得到PVC试片。
对比例1:
具体制备方法是,在高混机中加入PVC、100份,硬脂酸铅、1.5份,硬脂酸钡、1.5份,以及环氧大豆油、20份,乙酰柠檬酸三丁酯、20份,聚乙烯蜡、0.4份,石蜡、0.2份进行混合。混合均匀在高温开炼机中混炼均匀,高温开炼机的辊温设置为120℃,混炼均匀后,在平板硫化机中压制得到PVC试片。
上述实施例1-3所制得二氢吡啶衍生物为淡黄色,其红外光谱谱图,见图1所示。其中,a-c分别代表实施例1-实施例3制备的二氢吡啶衍生物。
从图1可以看出,波数在3300cm-1和1500cm-1左右说明存在是N-H;波数在2900cm-1、2800cm-1、1400cm-1和1300cm-1说明存在亚甲基和甲基;波数在1700cm-1左右且比较强,说明存在酯基。
将上述实施例1-3和对比例1所制得的PVC试片进行静态热稳定性分析-烘箱法,温度为200℃,第一次置于烘箱4小时后取样,而后每隔30分钟取样,观察试片颜色变化,结果见表1所示。
表1是实施例1-3中PVC试片的静态热稳定性-烘箱法
由表1可以看出,对比例1在200℃、300min时,颜色急剧变化,呈灰黑色,说明其静态热稳定性比实施例1-3差。
对实施例1-3以及对比例1进行透光率测定,所得结果见表2所示。
表2透光率
将实施例1-3和对比例1所制得的PVC试片进行动态热稳定性分析-转矩流变仪法,温度为185℃,结果见图2所示。
由图2可以看出,实施例1-3和对比例1所制备的PVC试样加入转矩流变仪(185℃,60r/min)时,刚开始未来得及塑化,所以扭矩大幅度提高。随着塑化的进行,扭矩下降。对比例1在1200s以后扭矩提高,说明此时PVC发生交联;在2700s以后,扭矩快速下降,说明此时PVC开始大幅度降解。实施例1-3,扭矩虽然有波动,但是整体变化不大,说明PVC未发生大规模结构破坏,具有较好的动态热稳定性。
Claims (9)
2.根据权利要求1所述的透明PVC用热稳定剂组合物,其特征在于:所述n为11-23。
3.根据权利要求1所述的透明PVC用热稳定剂组合物,其特征在于:所述二氢吡啶衍生物的制备采用两步法:
化学反应方程式如下所示:
第一步,反应通过乙酰乙酸乙酯CH3COCH2COOC2H5与n+1个碳原子的伯醇CH3(CH2)nOH发生酯交换反应,得到乙酰乙酸正(n+1)酯;所使用的催化剂为氢氧化钾或者碳酸钾;反应温度控制在120-190℃;
乙酰乙酸乙酯CH3COCH2COOC2H5与n+1个碳原子的伯醇CH3(CH2)nOH的物质的量之比为(1.2~1.8):1;
具体是将上述催化剂和乙酰乙酸乙酯CH3COCH2COOC2H5放入反应烧瓶中,再加入n+1个碳原子的伯醇CH3(CH2)nOH;
若n+1个碳原子的伯醇CH3(CH2)nOH为液态时,可直接放入滴液漏斗中,在加热、搅拌、惰性气体保护的条件下缓缓滴入反应烧瓶;
若n+1个碳原子的伯醇CH3(CH2)nOH为固态时,需要均分成多份,分多次逐步加入到烧瓶中,在加热、搅拌、惰性气体保护的条件下反应;
在伯醇加入完毕后,恒定反应温度再反应2-10小时;降低温度至60-100℃,减压蒸馏,至不再有馏出液为止,即可得到乙酰乙酸正(n+1)酯CH3COCH2COO(CH2)nCH3;
第二步,反应是在第一步反应所得的乙酰乙酸正(n+1)酯CH3COCH2COO(CH2)nCH3中加入醋酸至其呈现弱酸性,而后加入一定量经过干燥的醋酸铵或者碳酸氢铵,再加入相转移催化剂;相转移催化剂为三辛基甲基氯化铵、十六烷基三甲基溴化铵或者十四烷基三甲基氯化铵;在加热、搅拌、惰性气体保护的条件下将乌洛托品水溶液缓缓滴入,反应温度控制在125-135℃;反应时间控制在2-8小时;
乙酰乙酸正(n+1)酯CH3COCH2COO(CH2)nCH3与乌洛托品的物质的量比为(4~6):1;
乙酰乙酸正(n+1)酯CH3COCH2COO(CH2)nCH3与醋酸铵或碳酸氢铵的物质的量比为(1~1.5):1;
反应结束后,降至室温,所生成的二氢吡啶衍生物会在体系中析出;抽滤后,先用乙醇洗涤、再用蒸馏水洗涤,抽滤后烘干,即得到二氢吡啶衍生物。
4.根据权利要求3所述的透明PVC用热稳定剂组合物,其特征在于:
所述乙酰乙酸乙酯CH3COCH2COOC2H5与n+1个碳原子的伯醇CH3(CH2)nOH的物质的量之比为(1.5~1.8):1。
5.根据权利要求1所述的透明PVC用热稳定剂组合物,其特征在于:所述热稳定剂组合物中,还包括作为辅助热稳定剂A的胺类防老剂,作为辅助热稳定剂B的酚类抗氧剂以及作为辅助热稳定剂C的亚磷酸酯类抗氧剂。
6.根据权利要求5所述的透明PVC用热稳定剂组合物,其特征在于:所述胺类防老剂为:4,4'-二(苯基异丙基)二苯胺(KY-405)。
7.根据权利要求5所述的透明PVC用热稳定剂组合物,其特征在于:所述酚类抗氧剂为:四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯(抗氧剂1010)或2, 2'-亚甲基双(4-甲基-6-叔丁基苯酚)(抗氧剂2246)。
8.根据权利要求5所述的透明PVC用热稳定剂组合物,其特征在于:优选二亚磷酸季戊四醇二异葵酯(抗氧剂3010)、季戊四醇二亚磷酸双十八酯(抗氧剂618)和双(2,4-二叔丁基苯酚)季戊四醇二亚磷酸酯(抗氧剂626)。
9.一种如权利要求5所述的透明PVC用热稳定剂组合物在透明PVC材料中应用,其特征在于:透明PVC材料中,各原料及其质量份数为:PVC为100份;二氢吡啶衍生物、1-2份,辅助热稳定剂A、0.5-1.5份,辅助热稳定剂B、0.4-0.6份,辅助热稳定剂C、0.1-0.2份,增塑剂、10-50份以及润滑剂0.5-1份;
所述增塑剂包括主增塑剂和副增塑剂,所述主增塑剂为环氧大豆油,其用量为8-30份;所述副增塑剂为环己烷-1,2-二甲酸二异壬基酯(DINCH)或乙酰柠檬酸三丁酯,其用量为2-20份;
所述环氧大豆油的环氧值大于等于6;
所述润滑剂包括0.3-0.5份的聚乙烯蜡,和0.2-0.5份的石蜡;
具体制备方法是,在高混机中加入PVC,二氢吡啶衍生物、辅助热稳定剂A、辅助热稳定剂B、辅助热稳定剂C,以及增塑剂和润滑剂进行混合;混合后的材料在高温开炼机中混炼均匀,高温开炼机的辊温控制在120-130℃;混炼均匀后,在平板硫化机中压制得到透明PVC试片。
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