JPH09302181A - Vinyl chloride polymer composition and vinyl chloride polymer moldings - Google Patents
Vinyl chloride polymer composition and vinyl chloride polymer moldingsInfo
- Publication number
- JPH09302181A JPH09302181A JP12488096A JP12488096A JPH09302181A JP H09302181 A JPH09302181 A JP H09302181A JP 12488096 A JP12488096 A JP 12488096A JP 12488096 A JP12488096 A JP 12488096A JP H09302181 A JPH09302181 A JP H09302181A
- Authority
- JP
- Japan
- Prior art keywords
- vinyl chloride
- chloride polymer
- vinyl
- monomer
- polymer composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 229920000642 polymer Polymers 0.000 title claims abstract description 60
- 239000000203 mixture Substances 0.000 title claims abstract description 28
- 238000000465 moulding Methods 0.000 title claims abstract description 13
- 239000000178 monomer Substances 0.000 claims abstract description 54
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 44
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 43
- 239000003505 polymerization initiator Substances 0.000 claims abstract description 18
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 11
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 5
- 238000009835 boiling Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000000379 polymerizing effect Effects 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 abstract description 8
- 150000001875 compounds Chemical class 0.000 abstract description 7
- 239000013638 trimer Substances 0.000 abstract description 6
- ZOKCNEIWFQCSCM-UHFFFAOYSA-N (2-methyl-4-phenylpent-4-en-2-yl)benzene Chemical compound C=1C=CC=CC=1C(C)(C)CC(=C)C1=CC=CC=C1 ZOKCNEIWFQCSCM-UHFFFAOYSA-N 0.000 abstract description 3
- 238000006116 polymerization reaction Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000002845 discoloration Methods 0.000 abstract 1
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 abstract 1
- 238000004040 coloring Methods 0.000 description 14
- 239000000047 product Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 8
- 238000003776 cleavage reaction Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- UUPWEGAONCOIFJ-UHFFFAOYSA-N CCCCC(CC)COC(=O)OOC(O)=O Chemical compound CCCCC(CC)COC(=O)OOC(O)=O UUPWEGAONCOIFJ-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- FZYCEURIEDTWNS-UHFFFAOYSA-N prop-1-en-2-ylbenzene Chemical compound CC(=C)C1=CC=CC=C1.CC(=C)C1=CC=CC=C1 FZYCEURIEDTWNS-UHFFFAOYSA-N 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CBYABTHXYJJUTO-UHFFFAOYSA-N (1-tert-butylcyclohexyl) carboxyoxy carbonate Chemical compound OC(=O)OOC(=O)OC1(C(C)(C)C)CCCCC1 CBYABTHXYJJUTO-UHFFFAOYSA-N 0.000 description 2
- ZBBLRPRYYSJUCZ-GRHBHMESSA-L (z)-but-2-enedioate;dibutyltin(2+) Chemical compound [O-]C(=O)\C=C/C([O-])=O.CCCC[Sn+2]CCCC ZBBLRPRYYSJUCZ-GRHBHMESSA-L 0.000 description 2
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 2
- INQDDHNZXOAFFD-UHFFFAOYSA-N 2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOC(=O)C=C INQDDHNZXOAFFD-UHFFFAOYSA-N 0.000 description 2
- HCLJOFJIQIJXHS-UHFFFAOYSA-N 2-[2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOCCOC(=O)C=C HCLJOFJIQIJXHS-UHFFFAOYSA-N 0.000 description 2
- KUDUQBURMYMBIJ-UHFFFAOYSA-N 2-prop-2-enoyloxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC(=O)C=C KUDUQBURMYMBIJ-UHFFFAOYSA-N 0.000 description 2
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 2
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical class CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 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 description 2
- NFFOJOLYOGTUHN-UHFFFAOYSA-N carboxyoxy tetradecyl carbonate Chemical compound CCCCCCCCCCCCCCOC(=O)OOC(O)=O NFFOJOLYOGTUHN-UHFFFAOYSA-N 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000000539 dimer Substances 0.000 description 2
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 238000010558 suspension polymerization method Methods 0.000 description 2
- BEQKKZICTDFVMG-UHFFFAOYSA-N 1,2,3,4,6-pentaoxepane-5,7-dione Chemical compound O=C1OOOOC(=O)O1 BEQKKZICTDFVMG-UHFFFAOYSA-N 0.000 description 1
- HIACAHMKXQESOV-UHFFFAOYSA-N 1,2-bis(prop-1-en-2-yl)benzene Chemical compound CC(=C)C1=CC=CC=C1C(C)=C HIACAHMKXQESOV-UHFFFAOYSA-N 0.000 description 1
- VDYWHVQKENANGY-UHFFFAOYSA-N 1,3-Butyleneglycol dimethacrylate Chemical compound CC(=C)C(=O)OC(C)CCOC(=O)C(C)=C VDYWHVQKENANGY-UHFFFAOYSA-N 0.000 description 1
- IPJGAEWUPXWFPL-UHFFFAOYSA-N 1-[3-(2,5-dioxopyrrol-1-yl)phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1=CC=CC(N2C(C=CC2=O)=O)=C1 IPJGAEWUPXWFPL-UHFFFAOYSA-N 0.000 description 1
- XTJYGTVCDMNODS-UHFFFAOYSA-N 2,4,4-trimethylpentan-2-yl 7,7-dimethyloctaneperoxoate Chemical compound CC(C)(C)CCCCCC(=O)OOC(C)(C)CC(C)(C)C XTJYGTVCDMNODS-UHFFFAOYSA-N 0.000 description 1
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 description 1
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- HWSSEYVMGDIFMH-UHFFFAOYSA-N 2-[2-[2-(2-methylprop-2-enoyloxy)ethoxy]ethoxy]ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCOCCOC(=O)C(C)=C HWSSEYVMGDIFMH-UHFFFAOYSA-N 0.000 description 1
- LTHJXDSHSVNJKG-UHFFFAOYSA-N 2-[2-[2-[2-(2-methylprop-2-enoyloxy)ethoxy]ethoxy]ethoxy]ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCOCCOCCOC(=O)C(C)=C LTHJXDSHSVNJKG-UHFFFAOYSA-N 0.000 description 1
- WDQMWEYDKDCEHT-UHFFFAOYSA-N 2-ethylhexyl 2-methylprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(C)=C WDQMWEYDKDCEHT-UHFFFAOYSA-N 0.000 description 1
- RTEZVHMDMFEURJ-UHFFFAOYSA-N 2-methylpentan-2-yl 2,2-dimethylpropaneperoxoate Chemical compound CCCC(C)(C)OOC(=O)C(C)(C)C RTEZVHMDMFEURJ-UHFFFAOYSA-N 0.000 description 1
- PMNLUUOXGOOLSP-UHFFFAOYSA-M 2-sulfanylpropanoate Chemical compound CC(S)C([O-])=O PMNLUUOXGOOLSP-UHFFFAOYSA-M 0.000 description 1
- DXIJHCSGLOHNES-UHFFFAOYSA-N 3,3-dimethylbut-1-enylbenzene Chemical compound CC(C)(C)C=CC1=CC=CC=C1 DXIJHCSGLOHNES-UHFFFAOYSA-N 0.000 description 1
- -1 3,5,5-trimethylheptanoylperoxide Peroxides Chemical class 0.000 description 1
- FQMIAEWUVYWVNB-UHFFFAOYSA-N 3-prop-2-enoyloxybutyl prop-2-enoate Chemical compound C=CC(=O)OC(C)CCOC(=O)C=C FQMIAEWUVYWVNB-UHFFFAOYSA-N 0.000 description 1
- XOJWAAUYNWGQAU-UHFFFAOYSA-N 4-(2-methylprop-2-enoyloxy)butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCCOC(=O)C(C)=C XOJWAAUYNWGQAU-UHFFFAOYSA-N 0.000 description 1
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 description 1
- JHWGFJBTMHEZME-UHFFFAOYSA-N 4-prop-2-enoyloxybutyl prop-2-enoate Chemical compound C=CC(=O)OCCCCOC(=O)C=C JHWGFJBTMHEZME-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical group N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- YIVJZNGAASQVEM-UHFFFAOYSA-N Lauroyl peroxide Chemical compound CCCCCCCCCCCC(=O)OOC(=O)CCCCCCCCCCC YIVJZNGAASQVEM-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- JUDXBRVLWDGRBC-UHFFFAOYSA-N [2-(hydroxymethyl)-3-(2-methylprop-2-enoyloxy)-2-(2-methylprop-2-enoyloxymethyl)propyl] 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(CO)(COC(=O)C(C)=C)COC(=O)C(C)=C JUDXBRVLWDGRBC-UHFFFAOYSA-N 0.000 description 1
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 239000003963 antioxidant agent Substances 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
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- GWOWVOYJLHSRJJ-UHFFFAOYSA-L cadmium stearate Chemical compound [Cd+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O GWOWVOYJLHSRJJ-UHFFFAOYSA-L 0.000 description 1
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 1
- 125000004386 diacrylate group Chemical group 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- BRWZYZWZBMGMMG-UHFFFAOYSA-J dodecanoate tin(4+) Chemical compound [Sn+4].CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O BRWZYZWZBMGMMG-UHFFFAOYSA-J 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010556 emulsion polymerization method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- ZDWAOOFEMCOCQX-UHFFFAOYSA-N methyl 4-methyl-2-methylidene-4-phenylpentanoate Chemical compound COC(=O)C(=C)CC(C)(C)C1=CC=CC=C1 ZDWAOOFEMCOCQX-UHFFFAOYSA-N 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 125000005634 peroxydicarbonate group Chemical group 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- VNJISVYSDHJQFR-UHFFFAOYSA-N tert-butyl 4,4-dimethylpentaneperoxoate Chemical compound CC(C)(C)CCC(=O)OOC(C)(C)C VNJISVYSDHJQFR-UHFFFAOYSA-N 0.000 description 1
- NMOALOSNPWTWRH-UHFFFAOYSA-N tert-butyl 7,7-dimethyloctaneperoxoate Chemical compound CC(C)(C)CCCCCC(=O)OOC(C)(C)C NMOALOSNPWTWRH-UHFFFAOYSA-N 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 150000003752 zinc compounds Chemical class 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
Landscapes
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、着色しにくく、
耐熱性に優れた塩化ビニル系重合体組成物および塩化ビ
ニル系重合体成形物に関するものである。TECHNICAL FIELD The present invention is difficult to color,
The present invention relates to a vinyl chloride polymer composition having excellent heat resistance and a vinyl chloride polymer molded product.
【０００２】[0002]
【従来の技術】塩化ビニル系重合体の耐着色性および耐
熱性を向上させるため、塩化ビニル系重合体には安定剤
が配合されている。例えば、特公平１−２３５０２号公
報には、有機錫化合物を配合した塩化ビニル系重合体組
成物が開示されている。また、特公平２−４２３７５号
公報には、有機亜鉛化合物を配合した塩化ビニル系重合
体組成物が開示されている。2. Description of the Related Art A stabilizer is added to a vinyl chloride polymer in order to improve the coloring resistance and heat resistance of the vinyl chloride polymer. For example, Japanese Patent Publication No. 1-23502 discloses a vinyl chloride polymer composition containing an organic tin compound. Japanese Patent Publication No. 42375/1990 discloses a vinyl chloride polymer composition containing an organic zinc compound.
【０００３】[0003]
【発明が解決しようとする課題】ところで、塩化ビニル
系重合体の耐着色性および耐熱性に与える要因は種々考
えられるが、特に重合体中に残存する重合開始剤の影響
が大きいことが知られている。そのため、使用される重
合開始剤の種類および使用量によっては、前記安定剤を
配合しても、塩化ビニル系重合体組成物の耐着色性およ
び耐熱性が不十分な場合があるという問題があった。By the way, there are various factors that may affect the coloring resistance and heat resistance of vinyl chloride polymers, but it is known that the effect of the polymerization initiator remaining in the polymer is particularly great. ing. Therefore, depending on the type and amount of the polymerization initiator used, there is a problem that the vinyl chloride-based polymer composition may have insufficient coloring resistance and heat resistance even if the stabilizer is added. It was
【０００４】この発明は、このような従来技術に存在す
る問題に着目してなされたものである。その目的とする
ところは、塩化ビニル系重合体中に重合開始剤が残存し
ていても、その重合体を加工、成形したとき、着色しに
くく、かつ耐熱性に優れた塩化ビニル系重合体組成物お
よび塩化ビニル系重合体成形物を提供することにある。The present invention has been made by paying attention to the problems existing in the prior art. The purpose is that even if the polymerization initiator remains in the vinyl chloride polymer, when the polymer is processed and molded, it is difficult to be colored, and the vinyl chloride polymer composition has excellent heat resistance. To provide a molded article and a vinyl chloride polymer molded article.
【０００５】[0005]
【課題を解決するための手段】上記の目的を達成するた
めに、第１の発明の塩化ビニル系重合体組成物は、塩化
ビニル系単量体を重合開始剤を用いて重合してなる塩化
ビニル系重合体に対し、沸点１５０℃以上のビニル単量
体を配合したものである。In order to achieve the above object, the vinyl chloride polymer composition of the first invention is a chlorinated product obtained by polymerizing a vinyl chloride monomer with a polymerization initiator. A vinyl polymer is blended with a vinyl monomer having a boiling point of 150 ° C. or higher.
【０００６】第２の発明の塩化ビニル系重合体組成物で
は、第１の発明において、前記ビニル単量体は、下記一
般式（１）および（２）で表される付加開裂型ビニル単
量体の少なくとも１種である。In the vinyl chloride polymer composition of the second invention, in the first invention, the vinyl monomer is an addition-cleavable vinyl monomer represented by the following general formulas (1) and (2). At least one body type.
【０００７】[0007]
【化３】 〔式中Ｒ1 、Ｒ2 はそれぞれ、フェニル基、−ＣＮまた
は−ＣＯＯＲ3 （式中Ｒ 3 は炭素数１から１０のアルキ
ル基を示す）を表す。〕Embedded image[Where R1, RTwoIs a phenyl group, -CN or
Is -COORThree(Where R ThreeIs an alky with 1 to 10 carbons
Group is shown). ]
【０００８】[0008]
【化４】 〔式中Ｒ1 、Ｒ2 、Ｒ3 はそれぞれ、フェニル基、−Ｃ
Ｎまたは−ＣＯＯＲ4 （式中Ｒ4 は炭素数１から１０の
アルキル基を示す）を表す。〕 第３の発明の塩化ビニル系重合体成形物は、第１の発明
の塩化ビニル系重合体組成物を加熱し、所定形状に成形
してなるものである。Embedded image [Wherein R 1 , R 2 and R 3 are each a phenyl group, -C
N or —COOR 4 (in the formula, R 4 represents an alkyl group having 1 to 10 carbon atoms). The vinyl chloride polymer molding of the third invention is obtained by heating the vinyl chloride polymer composition of the first invention and molding it into a predetermined shape.
【０００９】[0009]
【発明の実施の形態】以下、この発明の実施形態につい
て、詳細に説明する。塩化ビニル系重合体組成物は、塩
化ビニル系単量体を重合開始剤を用いて重合して得られ
た塩化ビニル系重合体に対し、沸点１５０℃以上のビニ
ル単量体を配合したものである。配合されるビニル単量
体の沸点が１５０℃未満では、塩化ビニル系重合体の成
形加工時に揮発してしまい、塩化ビニル系重合体成形物
の着色を防止できなくなるとともに、揮発するビニル単
量体により作業環境も悪化する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail. The vinyl chloride-based polymer composition is a vinyl chloride-based polymer obtained by polymerizing a vinyl chloride-based monomer using a polymerization initiator, and a vinyl monomer having a boiling point of 150 ° C. or higher. is there. If the boiling point of the vinyl monomer to be blended is less than 150 ° C., it will be volatilized during the molding process of the vinyl chloride polymer, and it will not be possible to prevent coloring of the vinyl chloride polymer molded product, and at the same time the vinyl monomer will volatilize. This will worsen the working environment.
【００１０】これらのビニル単量体としては、トリメチ
ロールプロパントリアクリレート、トリメチロールプロ
パントリメタクリレート（ＴＭＡ）、ジイソプロペニル
ベンゼン、エチレングリコールジメタクリレート（ＥＧ
ＤＭ）、ブチレングリコールジメタクリレート、１，３
−ブチレングリコールジメタクリレート、トリエチレン
グリコールジメタクリレート、テトラエチレングリコー
ルジメタクリレート、ポリエチレングリコールジメタク
リレート、ペンタエリスリトールトリメタクリレート、
エチレングリコールジアクリレート、ブチレングリコー
ルジアクリレート、１，３−ブチレングリコールジアク
リレート、トリエチレングリコールジアクリレート、テ
トラエチレングリコールジアクリレート、ポリエチレン
グリコールジアクリレート、ペンタエリスリトールトリ
アクリレート、トリアリルシアヌレート、トリアリルイ
ソシアヌレート（ＴＡＩＣ）、Ｎ，Ｎ´−ｍ−フェニレ
ンビスマレイミド、２−エチルヘキシルメタクリレー
ト、ｔ−ブチルスチレン、ジビニルベンゼンなどが挙げ
られる。As these vinyl monomers, trimethylolpropane triacrylate, trimethylolpropane trimethacrylate (TMA), diisopropenylbenzene, ethylene glycol dimethacrylate (EG
DM), butylene glycol dimethacrylate, 1,3
-Butylene glycol dimethacrylate, triethylene glycol dimethacrylate, tetraethylene glycol dimethacrylate, polyethylene glycol dimethacrylate, pentaerythritol trimethacrylate,
Ethylene glycol diacrylate, butylene glycol diacrylate, 1,3-butylene glycol diacrylate, triethylene glycol diacrylate, tetraethylene glycol diacrylate, polyethylene glycol diacrylate, pentaerythritol triacrylate, triallyl cyanurate, triallyl isocyanurate (TAIC), N, N'-m-phenylene bismaleimide, 2-ethylhexyl methacrylate, t-butyl styrene, divinylbenzene and the like.
【００１１】また、ビニル単量体としては、下記一般式
（１）または（２）で表されるビニル単量体が挙げられ
る。As the vinyl monomer, there may be mentioned vinyl monomers represented by the following general formula (1) or (2).
【００１２】[0012]
【化５】 〔式中Ｒ1 、Ｒ2 はそれぞれ、フェニル基、−ＣＮまた
は−ＣＯＯＲ3 （式中Ｒ 3 は炭素数１から１０のアルキ
ル基を示す）を表す。〕Embedded image[Where R1, RTwoIs a phenyl group, -CN or
Is -COORThree(Where R ThreeIs an alky with 1 to 10 carbons
Group is shown). ]
【００１３】[0013]
【化６】 〔式中Ｒ1 、Ｒ2 、Ｒ3 はそれぞれ、フェニル基、−Ｃ
Ｎまたは−ＣＯＯＲ4 （式中Ｒ4 は炭素数１から１０の
アルキル基を示す）を表す。〕 上記一般式（１）で表されるビニル単量体は、いわゆる
付加開裂型ビニル単量体であり、具体的には例えば、
２，４−ジフェニル−４−メチル−１−ペンテン（Ｒ1
およびＲ2 がフェニル基、すなわちα−メチルスチレン
ダイマー）、ジメチル−２，２−ジメチル−４−メチレ
ングルタレート（Ｒ1 およびＲ2 がＣＯＯＣＨ3 、すな
わちメチルメタクリレートダイマー）、２，２−ジメチ
ル−４−メチレングルタロジニトリル（Ｒ1 およびＲ2
がＣＮ、すなわちメタクリロニトリルダイマー）、メチ
ル−２−メチレン−４−メチル−４−フェニルバレレー
ト（Ｒ1 がＣＯＯＣＨ3 、Ｒ2 がフェニル基）、メチル
−２，２−ジメチル−４−フェニル−４−ペンテノエー
ト（Ｒ1 がフェニル基、Ｒ2 がＣＯＯＣＨ3 ）等が挙げ
られる。これらのうち、α−メチルスチレンダイマーお
よびメチルメタクリレートダイマーが容易かつ安価に入
手できることから特に好ましい。[Chemical 6] [Wherein R 1 , R 2 and R 3 are each a phenyl group, -C
N or —COOR 4 (in the formula, R 4 represents an alkyl group having 1 to 10 carbon atoms). The vinyl monomer represented by the general formula (1) is a so-called addition-cleavage type vinyl monomer, and specifically, for example,
2,4-diphenyl-4-methyl-1-pentene (R 1
And R 2 is a phenyl group, that is, α-methylstyrene dimer), dimethyl-2,2-dimethyl-4-methylene glutarate (R 1 and R 2 are COOCH 3 , that is, methyl methacrylate dimer), 2,2-dimethyl- 4-Methyleneglutadinitrile (R 1 and R 2
Is CN, ie, methacrylonitrile dimer), methyl-2-methylene-4-methyl-4-phenylvalerate (R 1 is COOCH 3 , R 2 is a phenyl group), methyl-2,2-dimethyl-4-phenyl. -4-Pentenoate (R 1 is a phenyl group, R 2 is COOCH 3 ) and the like. Of these, α-methylstyrene dimer and methyl methacrylate dimer are particularly preferable because they are easily and inexpensively available.
【００１４】また、前記一般式（２）で表されるビニル
単量体も付加開裂型ビニル単量体であり、具体的には例
えば、メチルメタクリレートトリマー（Ｒ1 、Ｒ2 およ
びＲ 3 がＣＯＯＣＨ3 ）、メタクリロニトリルトリマー
（Ｒ1 、Ｒ2 およびＲ3 がＣＮ）等が挙げられる。これ
らのうち、メチルメタクリレートトリマーが、塩化ビニ
ル系重合体成形物の着色性を防止する効果が大きいた
め、特に好ましい。The vinyl represented by the general formula (2)
The monomer is also an addition-cleavage type vinyl monomer.
For example, methyl methacrylate trimer (R1, RTwoAnd
And R ThreeIs COOCHThree), Methacrylonitrile trimer
(R1, RTwoAnd RThreeIs CN) and the like. this
Among them, methyl methacrylate trimer is vinyl chloride.
The effect of preventing the coloring property of the polymer-based polymer molding is great.
Therefore, it is particularly preferable.
【００１５】前記ビニル単量体としては、塩化ビニル系
重合体成形物の着色性の抑制と耐熱性の向上の観点か
ら、一般式（１）または（２）で表される単量体が好ま
しい。前記一般式（１）または（２）で表される付加開
裂型ビニル単量体は、少なくとも１種が使用可能である
が、通常一般式（１）のビニル単量体が使用される。な
お、一般式（２）のビニル単量体は、一般式（１）のビ
ニル単量体を製造する際に副生成物として生成するもの
であり、従って一般式（１）のビニル単量体に一般式
（２）のビニル単量体が含まれていてもよい。また、一
般式（２）のビニル単量体は、沸点が高いことから取扱
いが容易であるため、このビニル単量体を単独で使用し
てもよい。The vinyl monomer is preferably a monomer represented by the general formula (1) or (2) from the viewpoint of suppressing the coloring property of the vinyl chloride polymer molded article and improving the heat resistance. . At least one kind of the addition-cleavage type vinyl monomer represented by the general formula (1) or (2) can be used, but the vinyl monomer of the general formula (1) is usually used. The vinyl monomer of the general formula (2) is produced as a by-product during the production of the vinyl monomer of the general formula (1), and therefore, the vinyl monomer of the general formula (1). May contain the vinyl monomer of the general formula (2). Further, since the vinyl monomer of the general formula (2) has a high boiling point and is easy to handle, it may be used alone.
【００１６】このようなビニル単量体の作用は明確では
ないが、一般式（１）または（２）で表されるビニル単
量体などの沸点が１５０℃以上のビニル単量体は、残存
重合開始剤から生成するラジカルに付加し、次いで付加
した化合物がβ開裂してラジカルを不活性化するものと
推定される。従って、塩化ビニル系重合体の加工成形時
の着色性を抑制でき、耐熱性を向上できるものと考えら
れる。Although the action of such a vinyl monomer is not clear, vinyl monomers having a boiling point of 150 ° C. or higher, such as the vinyl monomer represented by the general formula (1) or (2), remain. It is presumed that the compound is added to the radical generated from the polymerization initiator, and then the added compound is cleaved to inactivate the radical. Therefore, it is considered that the coloring property during processing and molding of the vinyl chloride polymer can be suppressed and the heat resistance can be improved.
【００１７】ここで、塩化ビニル系重合体とは、塩化ビ
ニル系単量体を重合開始材を用いて重合して得られるも
のであって、塩化ビニル単独重合体、または塩化ビニル
と共重合可能なビニル型単量体と塩化ビニルとの共重合
体を表す。塩化ビニルと共重合可能なビニル型単量体と
しては、例えばエチレン、酢酸ビニル、塩化ビニリデ
ン、スチレン、アクリル酸エステル類等が挙げられる。Here, the vinyl chloride-based polymer is obtained by polymerizing a vinyl chloride-based monomer using a polymerization initiator, and can be a vinyl chloride homopolymer or a copolymer with vinyl chloride. Represents a copolymer of a vinyl type monomer and vinyl chloride. Examples of vinyl-type monomers copolymerizable with vinyl chloride include ethylene, vinyl acetate, vinylidene chloride, styrene, and acrylic acid esters.
【００１８】前記ビニル単量体の配合量は、一般に、塩
化ビニル系重合体１００重量部に対して、０．０１〜５
重量部、好ましくは０．５〜２重量部が使用される。
０．０１重量部未満では加熱時の着色性が十分に改善さ
れない。また、５重量部を越えて用いても、添加に見合
う加熱時の着色性の改善の効果がなく、塩化ビニル系重
合体成形物の機械的物性を低下させるおそれがあるため
好ましくない。The amount of the vinyl monomer compounded is generally 0.01 to 5 with respect to 100 parts by weight of the vinyl chloride polymer.
Parts by weight, preferably 0.5-2 parts by weight, are used.
If it is less than 0.01 part by weight, the coloring property upon heating is not sufficiently improved. Further, even if it is used in an amount of more than 5 parts by weight, there is no effect of improving the coloring property upon heating commensurate with the addition, and the mechanical properties of the vinyl chloride polymer molded product may be deteriorated, which is not preferable.
【００１９】塩化ビニル系重合体組成物には、前記ビニ
ル単量体の他に、一般に塩化ビニル系重合体に配合され
る各種添加剤を配合することができる。そのような添加
剤としては、ステアリン酸亜鉛、ジブチル錫マレエー
ト、有機錫メルカプトプロピオネート、ラウリン酸錫、
ステアリン酸バリウム、ステアリン酸カドミウム等の安
定剤、２，６−ジアルキルフェノール等の酸化防止剤、
紫外線吸収剤、光安定剤、ジオクチルフタレート等の可
塑剤、酸化チタン等の充填剤等が用いられる。In addition to the vinyl monomer, the vinyl chloride polymer composition may contain various additives generally added to the vinyl chloride polymer. Such additives include zinc stearate, dibutyltin maleate, organotin mercaptopropionate, tin laurate,
Stabilizers such as barium stearate and cadmium stearate, antioxidants such as 2,6-dialkylphenol,
An ultraviolet absorber, a light stabilizer, a plasticizer such as dioctyl phthalate, a filler such as titanium oxide and the like are used.
【００２０】塩化ビニル系重合体は、有機過酸化物を重
合開始剤として用い、塩化ビニル単量体を懸濁重合法、
乳化重合法あるいは微細懸濁重合法により重合すること
によって製造される。用いられる重合開始剤としては、
通常塩化ビニル系単量体の重合開始剤として用いられる
全てのものが使用される。例えば、２−エチルヘキシル
ペルオキシジカーボネート、ミリスチルペルオキシジカ
ーボネート、ｔ−ブチルシクロヘキシルペルオキシジカ
ーボネート等のペルオキシジカーボネート類、クミルペ
ルオキシネオデカノエート、ｔ−ブチルペルオキシネオ
デカノエート、ｔ−ヘキシルペルオキシネオデカノエー
ト、ｔ−オクチルペルオキシネオデカノエート、ｔ−ヘ
キシルペルオキシピバレート、ｔ−ブチルペルオキシネ
オヘプタノエート等のペルオキシエステル類、ラウロイ
ルペルオキシド、３，５，５−トリメチルヘプタノイル
ペルオキシド等のジアシルペルオキシド類が挙げられ
る。The vinyl chloride polymer uses an organic peroxide as a polymerization initiator and a vinyl chloride monomer is subjected to a suspension polymerization method,
It is produced by polymerizing by an emulsion polymerization method or a fine suspension polymerization method. As the polymerization initiator used,
All of those usually used as a polymerization initiator for vinyl chloride monomers are used. For example, peroxydicarbonates such as 2-ethylhexyl peroxydicarbonate, myristyl peroxydicarbonate, t-butylcyclohexyl peroxydicarbonate, cumylperoxyneodecanoate, t-butylperoxyneodecanoate, t-hexylperoxyneoate. Peroxyesters such as decanoate, t-octylperoxyneodecanoate, t-hexylperoxypivalate, t-butylperoxyneoheptanoate, diacyl such as lauroyl peroxide, 3,5,5-trimethylheptanoylperoxide Peroxides may be mentioned.
【００２１】これらのうち、２−エチルヘキシルペルオ
キシジカーボネート、ミリスチルペルオキシジカーボネ
ート、ｔ−ブチルシクロヘキシルペルオキシジカーボネ
ート等のペルオキシジカーボネートを用いたとき、得ら
れる塩化ビニル系重合体の着色性が大であるため、特に
その着色性を抑制する効果が大きく現れる。Of these, when a peroxydicarbonate such as 2-ethylhexyl peroxydicarbonate, myristyl peroxydicarbonate or t-butylcyclohexyl peroxydicarbonate is used, the vinyl chloride polymer obtained has a large coloring property. Therefore, the effect of suppressing the coloring property is particularly large.
【００２２】前記ビニル単量体は、塩化ビニル系単量体
の重合終了後、脱モノマー前、乾燥前あるいは成形前の
各種添加剤の配合時等の任意の時期に配合することがで
きる。The vinyl monomer can be added at any time after the polymerization of the vinyl chloride-based monomer is completed, before demonomerization, before drying, or before the molding of various additives.
【００２３】次に、塩化ビニル系重合体成形物は、塩化
ビニル系重合体組成物を加熱し、真空成形法、押出成形
法、カレンダー成形法などによって所定形状に成形する
ことにより製造される。この塩化ビニル系重合体成形物
としては、硬質の管状体、可塑剤を加えて成形した軟質
のシート体などがあり、機械製品、電気製品などとして
利用される。Next, the vinyl chloride polymer molded article is produced by heating the vinyl chloride polymer composition and molding it into a predetermined shape by a vacuum molding method, an extrusion molding method, a calender molding method or the like. Examples of the vinyl chloride polymer molded product include a hard tubular member and a soft sheet member molded by adding a plasticizer, and are used as mechanical products, electric products and the like.
【００２４】以上のように、実施形態によれば、次のよ
うな効果が発揮される。 （１） 塩化ビニル系重合体組成物に配合される沸点１
５０℃以上のビニル単量体は、塩化ビニル系重合体中に
残存する重合開始剤から生成するラジカルを捕捉して不
活性化することから、塩化ビニル系重合体組成物の加工
成形時における着色性を抑制できる。 （２） 同様に、塩化ビニル系重合体組成物に配合され
るビニル単量体が、塩化ビニル系重合体中に残存する重
合開始剤から生成するラジカルを捕捉して不活性化する
ことから、所定形状に成形された塩化ビニル系重合体成
形物を安定化し、その耐熱性を向上できる。 （３） ビニル単量体の配合量を少量に調整することに
より、塩化ビニル系重合体成形物の機械的物性などの物
性を維持することができる。As described above, according to the embodiment, the following effects are exhibited. (1) Boiling point 1 blended in vinyl chloride polymer composition
A vinyl monomer at 50 ° C. or higher captures and deactivates radicals generated from the polymerization initiator remaining in the vinyl chloride polymer, and thus causes coloration during processing and molding of the vinyl chloride polymer composition. Sex can be suppressed. (2) Similarly, since the vinyl monomer compounded in the vinyl chloride polymer composition captures and deactivates radicals generated from the polymerization initiator remaining in the vinyl chloride polymer, It is possible to stabilize a vinyl chloride polymer molded product molded into a predetermined shape and improve its heat resistance. (3) By adjusting the blending amount of the vinyl monomer to a small amount, it is possible to maintain the physical properties such as mechanical properties of the vinyl chloride polymer molded product.
【００２５】[0025]
【実施例】次に、合成例、実施例および比較例を挙げ
て、この発明をさらに具体的に説明する。Next, the present invention will be described more specifically with reference to Synthesis Examples, Examples and Comparative Examples.
【００２６】なお、各例中の略号は以下の化合物を示
す。 ＯＰＰ： ２−エチルヘキシルペルオキシジカーボネー
ト ＭＳＤ： ２，４−ジフェニル−４−メチル−１−ペン
テン〔日本油脂（株）製、商品名ノフマーＭＳＤ〕 ＭＭＤ： ジメチル−２，２−ジメチル−４−メチレン
グルタレート ＡＮＤ： ２，２−ジメチル−４−メチレングルタロジ
ニトリル ＭＭＴ： メチルメタクリレートトリマー （実施例１）圧力計および撹拌機を備えた内容量５００
０ｍｌのステンレス製オートクレーブに、イオン交換水
２０００ｍｌとポリビニルアルコール１ｇとを入れて溶
解させた。次に、ＯＰＰを純品換算で０．５ｇ添加した
後、−７０℃以下に冷却し、塩化ビニル単量体１０００
ｇを加えた。そして、オートクレーブの空間部分を窒素
ガスで置換した後密栓した。オートクレーブを温水で保
温して、内部温度を５５℃に保ちながら、４時間重合さ
せた。重合後の混合物を濾過、水洗後、乾燥した。その
結果、８００ｇの重合物が得られた。The abbreviations in each example indicate the following compounds. OPP: 2-ethylhexyl peroxydicarbonate MSD: 2,4-diphenyl-4-methyl-1-pentene [NOFMER MSD, manufactured by NOF CORPORATION] MMD: dimethyl-2,2-dimethyl-4-methylenegluta Rate AND: 2,2-Dimethyl-4-methylenegluthalodinitrile MMT: Methylmethacrylate trimer (Example 1) Content 500 equipped with pressure gauge and stirrer
2000 ml of ion-exchanged water and 1 g of polyvinyl alcohol were placed in a 0 ml stainless steel autoclave and dissolved. Next, after adding 0.5 g of OPP as a pure product, the mixture was cooled to -70 ° C or lower, and vinyl chloride monomer 1000 was added.
g was added. Then, the space of the autoclave was replaced with nitrogen gas, and the container was sealed. The autoclave was kept warm with warm water and polymerized for 4 hours while keeping the internal temperature at 55 ° C. The mixture after polymerization was filtered, washed with water and dried. As a result, 800 g of a polymer was obtained.
【００２７】得られた塩化ビニル重合体１００ｇにＭＳ
Ｄ１ｇ，ジオクチルフタレート３０ｇ，ジブチル錫マレ
エート２．５ｇを混合し、１６０℃のロール上で１０分
間混練し、厚さ１mmのシートを得た。そのシートを１８
０℃の恒温槽に入れ、耐熱性を調べた。すなわち、シー
トが黒色になるまでの時間を測定した。また、初期着色
性については、シートを１８０℃で１０分間恒温槽に入
れた後、日本電色工業（株）製の色差計Ｚ−１００１−
ＤＰを用いて黄色度（ＹＩ値）を測定した。その結果を
表１に示す。 （実施例２〜６）実施例１においてＭＳＤ１ｇの代わり
に表１に示す化合物を用いた他は、実施例１に準じて試
験を行った。その結果を表１に示す。 （比較例１）実施例１においてＭＳＤを用いない他は、
実施例１に準じて試験を行った。その結果を表１に示
す。 （実施例７）実施例１において重合開始剤としてＯＰＰ
の代わりにＢＮＤを純品換算で０．５ｇを用いた他は、
実施例１に準じて試験を行った。その結果を表１に示
す。 （実施例８）実施例７においてＭＳＤ１ｇの代わりに表
１に示す化合物を用いた他は、実施例７に準じて試験を
行った。その結果を表１に示す。 （比較例２）実施例７においてＭＳＤを用いない他は、
実施例７に準じて試験を行った。その結果を表１に示
す。 （実施例９〜１１）実施例１においてＭＳＤ１ｇの代わ
りに表１に示す化合物を用いた他は、実施例１に準じて
試験を行った。その結果を表１に示す。MS was added to 100 g of the obtained vinyl chloride polymer.
D 1 g, dioctyl phthalate 30 g, and dibutyltin maleate 2.5 g were mixed and kneaded on a roll at 160 ° C. for 10 minutes to obtain a sheet having a thickness of 1 mm. 18 sheets
It was placed in a constant temperature bath at 0 ° C. and heat resistance was examined. That is, the time until the sheet became black was measured. Regarding the initial colorability, after the sheet was placed in a constant temperature bath at 180 ° C. for 10 minutes, a color difference meter Z-1001-made by Nippon Denshoku Industries Co., Ltd.
Yellowness (YI value) was measured using DP. Table 1 shows the results. (Examples 2 to 6) Tests were performed according to Example 1 except that the compounds shown in Table 1 were used instead of 1 g of MSD in Example 1. Table 1 shows the results. (Comparative Example 1) Except that the MSD is not used in Example 1,
The test was carried out according to Example 1. Table 1 shows the results. (Example 7) OPP was used as a polymerization initiator in Example 1.
In addition to using 0.5 g of BND as a pure product instead of
The test was carried out according to Example 1. Table 1 shows the results. (Example 8) A test was conducted in the same manner as in Example 7 except that the compounds shown in Table 1 were used instead of 1 g of MSD in Example 7. Table 1 shows the results. (Comparative Example 2) In Example 7, except that the MSD is not used,
The test was carried out according to Example 7. Table 1 shows the results. (Examples 9 to 11) Tests were conducted according to Example 1 except that the compounds shown in Table 1 were used instead of 1 g of MSD in Example 1. Table 1 shows the results.
【００２８】[0028]
【表１】 表１に示したように、ビニル単量体として一般式（１）
または（２）を用いた実施例１〜６と従来の比較例１を
比較すると、各実施例では、加熱時に着色しにくく、耐
熱性に優れていることがわかる。[Table 1] As shown in Table 1, the vinyl monomer represented by the general formula (1)
Alternatively, comparing Examples 1 to 6 using (2) with the conventional Comparative Example 1, it is found that each example is less likely to be colored during heating and has excellent heat resistance.
【００２９】また、重合開始剤の種類を変えた実施例
７、８と比較例２の比較からも同様の効果が確認でき
る。さらに、一般式（１）または（２）のビニル単量体
以外のビニル単量体を用いた実施例９〜１１は、比較例
１と比べ着色性と耐熱性を良好に維持できる。Similar effects can be confirmed by comparing Examples 7 and 8 in which the kind of the polymerization initiator is changed with Comparative Example 2. Furthermore, in Examples 9 to 11 using a vinyl monomer other than the vinyl monomer of the general formula (1) or (2), the colorability and heat resistance can be favorably maintained as compared with Comparative Example 1.
【００３０】なお、前記実施形態より把握される技術的
思想について以下に記載する。 （ａ） 前記ビニル単量体の配合量が、塩化ビニル系重
合体１００重量部に対して、０．０１〜５重量部である
請求項１または２に記載の塩化ビニル系重合体組成物。The technical idea understood from the above embodiment will be described below. (A) The vinyl chloride polymer composition according to claim 1 or 2, wherein the blending amount of the vinyl monomer is 0.01 to 5 parts by weight with respect to 100 parts by weight of the vinyl chloride polymer.
【００３１】このように構成した場合、塩化ビニル系重
合体組成物の機械的物性を維持しつつ、着色性や耐熱性
を向上させることができる。 （ｂ） 前記一般式（１）で表される付加開裂型ビニル
単量体は、α−メチルスチレンダイマーまたはメチルメ
タクリレートダイマーである請求項２に記載の塩化ビニ
ル系重合体組成物。With this constitution, the coloring property and heat resistance can be improved while maintaining the mechanical properties of the vinyl chloride polymer composition. (B) The vinyl chloride polymer composition according to claim 2, wherein the addition-cleavage type vinyl monomer represented by the general formula (1) is α-methylstyrene dimer or methyl methacrylate dimer.
【００３２】このように構成すれば、付加開裂型ビニル
単量体を容易かつ安価に入手することができる。 （ｃ） 前記一般式（２）で表される付加開裂型ビニル
単量体は、メチルメタクリレートトリマーである請求項
２に記載の塩化ビニル系重合体組成物。With this structure, the addition-cleavage type vinyl monomer can be easily and inexpensively obtained. (C) The vinyl chloride polymer composition according to claim 2, wherein the addition-cleavage type vinyl monomer represented by the general formula (2) is methyl methacrylate trimer.
【００３３】この構成によれば、塩化ビニル系重合体組
成物の着色を効果的に抑制することができる。According to this constitution, the coloring of the vinyl chloride polymer composition can be effectively suppressed.
【００３４】[0034]
【発明の効果】以上詳述したように、この発明によれ
ば、次のような優れた効果を奏する。第１の発明の塩化
ビニル系重合体組成物または第３の発明の塩化ビニル系
重合体成形物によれば、成形物の着色性を抑制できると
ともに、耐熱性を向上させることができる。従って、所
望とする品質の成形物が得られ、その工業的利用価値は
高い。As described above in detail, according to the present invention, the following excellent effects can be obtained. According to the vinyl chloride polymer composition of the first invention or the vinyl chloride polymer molded product of the third invention, the coloring property of the molded product can be suppressed and the heat resistance can be improved. Therefore, a molded product having a desired quality can be obtained and its industrial utility value is high.
【００３５】第２の発明の塩化ビニル系重合体組成物に
よれば、第１の発明の効果をより向上させることができ
る。According to the vinyl chloride polymer composition of the second invention, the effect of the first invention can be further improved.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 //(Ｃ０８Ｌ 27/06 23:18） ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 6 Identification number Office reference number FI technical display area // (C08L 27/06 23:18)
Claims (3)
て重合してなる塩化ビニル系重合体に対し、沸点１５０
℃以上のビニル単量体を配合した塩化ビニル系重合体組
成物。1. A boiling point of 150 with respect to a vinyl chloride polymer obtained by polymerizing a vinyl chloride monomer using a polymerization initiator.
A vinyl chloride polymer composition containing a vinyl monomer at a temperature of not less than 0 ° C.
および（２）で表される付加開裂型ビニル単量体の少な
くとも１種である請求項１に記載の塩化ビニル系重合体
組成物。 【化１】 〔式中Ｒ1 、Ｒ2 はそれぞれ、フェニル基、−ＣＮまた
は−ＣＯＯＲ3 （式中Ｒ 3 は炭素数１から１０のアルキ
ル基を示す）を表す。〕 【化２】 〔式中Ｒ1 、Ｒ2 、Ｒ3 はそれぞれ、フェニル基、−Ｃ
Ｎまたは−ＣＯＯＲ4 （式中Ｒ4 は炭素数１から１０の
アルキル基を示す）を表す。〕2. The vinyl monomer has the following general formula (1):
And a small amount of addition-cleavable vinyl monomer represented by (2)
The vinyl chloride polymer according to claim 1, which is at least one kind.
Composition. [Chemical 1][Where R1, RTwoIs a phenyl group, -CN or
Is -COORThree(Where R ThreeIs an alky with 1 to 10 carbons
Group is shown). [Chemical formula 2][Where R1, RTwo, RThreeAre a phenyl group and -C, respectively.
N or -COORFour(Where RFourHas 1 to 10 carbon atoms
Represents an alkyl group). ]
重合体組成物を加熱し、所定形状に成形してなる塩化ビ
ニル系重合体成形物。3. A vinyl chloride polymer molded product obtained by heating the vinyl chloride polymer composition according to claim 1 or 2 and molding it into a predetermined shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12488096A JPH09302181A (en) | 1996-05-20 | 1996-05-20 | Vinyl chloride polymer composition and vinyl chloride polymer moldings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12488096A JPH09302181A (en) | 1996-05-20 | 1996-05-20 | Vinyl chloride polymer composition and vinyl chloride polymer moldings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09302181A true JPH09302181A (en) | 1997-11-25 |
Family
ID=14896387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12488096A Pending JPH09302181A (en) | 1996-05-20 | 1996-05-20 | Vinyl chloride polymer composition and vinyl chloride polymer moldings |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09302181A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130035414A1 (en) * | 2010-03-01 | 2013-02-07 | Contamac Limited | High refractive index polymer composition for opthalmic applications |
-
1996
- 1996-05-20 JP JP12488096A patent/JPH09302181A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130035414A1 (en) * | 2010-03-01 | 2013-02-07 | Contamac Limited | High refractive index polymer composition for opthalmic applications |
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