CN105670185A - 一种耐热pvc - Google Patents
一种耐热pvc Download PDFInfo
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- CN105670185A CN105670185A CN201610243134.5A CN201610243134A CN105670185A CN 105670185 A CN105670185 A CN 105670185A CN 201610243134 A CN201610243134 A CN 201610243134A CN 105670185 A CN105670185 A CN 105670185A
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- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims abstract description 5
- 239000003063 flame retardant Substances 0.000 claims abstract description 5
- 239000004014 plasticizer Substances 0.000 claims abstract description 5
- 239000012760 heat stabilizer Substances 0.000 claims description 26
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- JFCQEDHGNNZCLN-UHFFFAOYSA-N glutaric acid Chemical compound OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 claims description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 7
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 6
- YUWAUUTYKFAJBH-UHFFFAOYSA-N pyridin-4-ylmethanethiol Chemical compound SCC1=CC=NC=C1 YUWAUUTYKFAJBH-UHFFFAOYSA-N 0.000 claims description 6
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- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 5
- 235000012211 aluminium silicate Nutrition 0.000 claims description 5
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 5
- NAYVGHQGPTTZPA-UHFFFAOYSA-N diimino(diphenyl)-$l^{6}-sulfane Chemical compound C=1C=CC=CC=1S(=N)(=N)C1=CC=CC=C1 NAYVGHQGPTTZPA-UHFFFAOYSA-N 0.000 claims description 5
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 4
- 230000003078 antioxidant effect Effects 0.000 claims description 4
- MGWAVDBGNNKXQV-UHFFFAOYSA-N diisobutyl phthalate Chemical compound CC(C)COC(=O)C1=CC=CC=C1C(=O)OCC(C)C MGWAVDBGNNKXQV-UHFFFAOYSA-N 0.000 claims description 4
- -1 (2 ethyl butyric acid) triethylene Glycol ester Chemical class 0.000 claims description 3
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- SIXWIUJQBBANGK-UHFFFAOYSA-N 4-(4-fluorophenyl)-1h-pyrazol-5-amine Chemical compound N1N=CC(C=2C=CC(F)=CC=2)=C1N SIXWIUJQBBANGK-UHFFFAOYSA-N 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000004033 plastic Substances 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 abstract description 2
- 229920000915 polyvinyl chloride Polymers 0.000 abstract 4
- 239000004800 polyvinyl chloride Substances 0.000 abstract 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract 1
- 230000003064 anti-oxidating effect Effects 0.000 abstract 1
- 239000007800 oxidant agent Substances 0.000 abstract 1
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- 230000000052 comparative effect Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 125000004429 atom Chemical group 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000011701 zinc Substances 0.000 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 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 125000004430 oxygen atom Chemical group O* 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- KLUYWDYLSMHCMR-UHFFFAOYSA-N 4-(pyridin-4-ylmethylsulfanylmethyl)pyridine Chemical compound C=1C=NC=CC=1CSCC1=CC=NC=C1 KLUYWDYLSMHCMR-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- IQFVPQOLBLOTPF-HKXUKFGYSA-L congo red Chemical compound [Na+].[Na+].C1=CC=CC2=C(N)C(/N=N/C3=CC=C(C=C3)C3=CC=C(C=C3)/N=N/C3=C(C4=CC=CC=C4C(=C3)S([O-])(=O)=O)N)=CC(S([O-])(=O)=O)=C21 IQFVPQOLBLOTPF-HKXUKFGYSA-L 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
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- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 239000003446 ligand Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000007539 photo-oxidation reaction Methods 0.000 description 1
- 229950000845 politef Drugs 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012430 stability testing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Classifications
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K3/2279—Oxides; Hydroxides of metals of antimony
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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
- 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
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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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
- C08K5/0091—Complexes with metal-heteroatom-bonds
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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
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
- C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
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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
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
本发明涉及塑料领域，特别涉及一种耐热PVC。一种耐热PVC，由如下重量份数的组分组成：聚氯乙烯40~60份，增塑剂5~20份，填充剂10~25份；阻燃剂0.5~1.2份；抗氧剂0.01~1份，三羟甲基丙烷三甲基丙烯酸酯1~2份，热稳定剂1~5份。与现有技术相比，本发明的新型耐热PVC不但具有良好的热稳定性，而且也具有良好的机械性能，在市场中具有较大的竞争力。
Description
技术领域
本发明涉及塑料领域，特别涉及一种耐热PVC。
背景技术
PVC材料经常用于我们的生活中，如PVC管，PVC地板，PVC墙纸等等。现有市场对PVC的需求量正在逐年增加，未来社会对PVC仍将继续增大。随着社会城市化、科技化、人性化的发展，PVC行业的高速发展，PVC材料越来越贴近人们的生活，随之而来的是PVC材料使用量的增加，和PVC产品大多不抗老化、易受光氧化和韧性低，热稳定性差、阻燃性差，不耐酸碱腐蚀等问题的彰显。
发明内容
本发明所要解决的技术问题是提供一种耐热PVC。
一种耐热PVC，由如下重量份数的组分组成：
聚氯乙烯40~60份，增塑剂5~20份，填充剂10~25份；阻燃剂0.5~1.2份；抗氧剂0.01~1份，三羟甲基丙烷三甲基丙烯酸酯1~2份，热稳定剂1~5份，其中，所述的热稳定剂化学式为(C12H12N2S)(C5H6O4)Zn，其中，C5H6O4为戊二酸，C12H12N2S为二(吡啶-4-基甲基)硫烷。
进一步的，所述热稳定剂为三斜晶系，P-1空间群，晶胞参数为a=12.853(2) Å，b=9.719(3) Å，c=12.315(9) Å，α=83.58(3) º，β=75.03(5) º，γ=78.71(2) º，V=1538.36 (8) Å3。
进一步的，所述增塑剂为邻苯二甲酸二辛酯、二(2—乙基丁酸)三缩乙二醇酯、磷酸三甲苯酯、邻苯二甲酸二异丁酯、邻苯二甲酸二异癸酯中的至少一种。
进一步的，所述填充剂为碳酸钙、滑石粉、高岭土中的至少一种。
进一步的，所述阻燃剂三氧化二锑。
其中，抗氧剂选自本发明常用的抗氧剂均可实现本发明，如抗氧剂1010、抗氧剂168等。
本发明采用三羟甲基丙烷三甲基丙烯酸酯作为加工助剂，能够有效解决本发明采用的新型热稳定剂的分散性问题，使其在PVC产品中分散更好，有利于本发明产品性能的进一步提高。
本发明具有如下有益效果：
与现有技术相比，本发明的新型耐热PVC不但具有良好的热稳定性，而且也具有良好的机械性能，在市场中具有较大的竞争力。
附图说明
图1为热稳定剂以金属中心Zn的配位环境图。
具体实施方式
下面结合实施例对本发明进行详细的说明，实施例仅是本发明的优选实施方式，不是对本发明的限定。
本发明的PVC的制备方法为本技术领域的常用技术，在本发明中不再详细描述。
本发明所述的热稳定剂均按照如下制备方法制备：将0.1mmol二(吡啶-4-基甲基)硫烷、0.1mmol戊二酸和0.1mmol硝酸锌溶于10mL二甲基甲酰胺和5mL乙醇的混合溶剂当中，在室温下搅拌溶解后形成混合液A，然后将所述混合液A在55℃下反应回流36小时得到混合液B，随后将混合液B转移到聚四氟乙烯高压反应釜中，将其放在170℃烘箱中反应36小时，之后以5℃/小时降至室温过滤得到所述热稳定剂。
其中，二(吡啶-4-基甲基)硫烷英文为：bis(pyridin-4-ylmethyl)sulfane。
然后将上述热稳定剂进行结构表征。
该热稳定剂的X射线衍射数据是在Bruker
Smart Apex CCD面探衍射仪上，用MoKα辐射(λ = 0.71073 Å)，以ω扫描方式收集并进行Lp因子校正，吸收校正使用SADABS程序。用直接法解结构，然后用差值傅立叶法求出全部非氢原子坐标，并用理论加氢法得到氢原子位置(C−H 1.083 Å)，用最小二乘法对结构进行修正。计算工作在PC机上用SHELXTL程序包完成。该热稳定剂结构见图1。
经测试解析可知，该热稳定剂化学式为(C12H12N2S)(C5H6O4)Zn，其中，C5H6O4为戊二酸，C12H12N2S为二(吡啶-4-基甲基)硫烷，所述热稳定剂为三斜晶系，P-1空间群，晶胞参数为a=12.853(2) Å，b=9.719(3) Å，c=12.315(9) Å，α=83.58(3) º，β=75.03(5) º，γ=78.71(2) º，V=1538.36 (8) Å3，Z=4。
从晶体结构来看，该热稳定剂属于三斜晶系，P-1空间群，该不对称单元中含有一个Zn原子、一个二(吡啶-4-基甲基)硫烷和一个其中戊二酸，Zn原子采取6配位八面体的模式与4个O原子配位和2个N原子配位，其中4个O原子采取螯合配位的模式，而2个N原子采取单齿配位的模式，如图1所示；二(吡啶-4-基甲基)硫烷用两头的吡啶基上的N原子，而戊二酸用两头氧原子，采用2头连接的方式，将Zn原子延伸连接成一种特殊的三维结构，而这种特殊的三维结构有利于HCl的吸收，使得这种热稳定剂具有良好的性能。
以下实施例和对比例如无特殊说明，均采用上述合成方法制备的热稳定剂。
实施例
1
一种耐热PVC，由如下重量份数的组分组成：
聚氯乙烯55份，邻苯二甲酸二辛酯12.5份，碳酸钙10份；高岭土5份；三氧化二锑1份；抗氧剂1010 0.05份，三羟甲基丙烷三甲基丙烯酸酯1.5份，热稳定剂3份。
实施例
2
一种耐热PVC，由如下重量份数的组分组成：
聚氯乙烯41份，二(2—乙基丁酸)三缩乙二醇酯18份，滑石粉25份；三氧化二锑0.6份；抗氧剂168 0.3份，三羟甲基丙烷三甲基丙烯酸酯1份，热稳定剂1.2份。
实施例
3
一种耐热PVC，由如下重量份数的组分组成：
聚氯乙烯57份，磷酸三甲苯酯8.5份，碳酸钙10.5份；三氧化二锑0.6份；抗氧剂168 0.8份，三羟甲基丙烷三甲基丙烯酸酯1.8份，热稳定剂4份。
对比例
1
一种耐热PVC，由如下重量份数的组分组成：
聚氯乙烯55份，邻苯二甲酸二辛酯12.5份，碳酸钙10份；高岭土5份；三氧化二锑1份；抗氧剂1010 0.05份，三羟甲基丙烷三甲基丙烯酸酯1.5份，硬脂酸锌3份。
对比例
2
一种耐热PVC，由如下重量份数的组分组成：
聚氯乙烯55份，邻苯二甲酸二辛酯12.5份，碳酸钙10份；高岭土5份；三氧化二锑1份；抗氧剂1010 0.05份，甲基丙烯酸甲酯1.5份，热稳定剂3份。
然后将上述所得的实施例和对比例测试性能。
按照GB/T
2917.1-2002规定的刚果红法，在 200℃进行热稳定性测试。如表1 所示。
表1刚果红法测试表
由表1数据可以看出，添加了本发明热稳定剂的PVC材料由于其能够有效吸附游离的HCl，因此具有很好的热稳定效果，其效果远远强于现有使用常用PVC热稳定剂的PVC材料。
按照GB/T
15595-2008规定的白度法进行测试。
然后将上述所得的PVC材料表2为测试性能表。
表2白度法测试表
由表2数据可以看出，本发明实施例1~3的24、48、72 和 120h 时的样品白度均高于对比例的样品白度。随着时间的延长，对比例的样品白度减小的比较明显，在120h时，对比专利的样品白度为60.1%和79.5%，而采用本发明PVC白度高于85%以上，这说明本发明的热稳定剂也一样具有良好的耐候性。
按照GB/T
1040.1-2006和HG/T
3841-2006性能进行测试， 测试结果如表3 所示。
表3性能测试表
由表3数据可以看出，本发明实施例1~3的PVC具有良好的拉伸强度和冲击强度，和对比例的数据相比可以看出本发明的PVC通过添加新型的热稳定剂，在一定程度上也可以提高PVC的机械性能。
以上所述实施例仅表达了本发明的实施方式，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制，但凡采用等同替换或等效变换的形式所获得的技术方案，均应落在本发明的保护范围之内。
Claims (5)
1.一种耐热PVC，其特征在于由如下重量份数的组分组成：
聚氯乙烯40~60份，增塑剂5~20份，填充剂10~25份；阻燃剂0.5~1.2份；抗氧剂0.01~1份，三羟甲基丙烷三甲基丙烯酸酯1~2份，热稳定剂1~5份，其中，所述的热稳定剂化学式为(C12H12N2S)(C5H6O4)Zn，其中，C5H6O4为戊二酸，C12H12N2S为二(吡啶-4-基甲基)硫烷。
2.根据权利要求1所述一种耐热PVC，其特征在于，所述热稳定剂为三斜晶系，P-1空间群，晶胞参数为a=12.853(2) Å，b=9.719(3) Å，c=12.315(9) Å，α=83.58(3) º，β=75.03(5) º，γ=78.71(2) º，V=1538.36 (8) Å3。
3.根据权利要求1所述一种耐热PVC，其特征在于，所述增塑剂为邻苯二甲酸二辛酯、二(2—乙基丁酸)三缩乙二醇酯、磷酸三甲苯酯、邻苯二甲酸二异丁酯、邻苯二甲酸二异癸酯中的至少一种。
4.根据权利要求1所述一种耐热PVC，其特征在于，所述填充剂为碳酸钙、滑石粉、高岭土中的至少一种。
5.根据权利要求1所述一种耐热PVC，其特征在于，所述阻燃剂三氧化二锑。
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| CN101092492A (zh) * | 2007-06-26 | 2007-12-26 | 杭州新新塑料助剂科研有限公司 | 一种复配型热稳定剂 |
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| CN101092492A (zh) * | 2007-06-26 | 2007-12-26 | 杭州新新塑料助剂科研有限公司 | 一种复配型热稳定剂 |
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