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    • 3. 发明公开
    • LAMINATE
    • 层压板
    • EP2653308A1
    • 2013-10-23
    • EP11849573.8
    • 2011-12-01
    • Daikin Industries, Ltd.
    • MASUI, ToshiakiKUWAJIMA, YuukiONO, TsuyoshiINABA, Takeshi
    • B32B27/30B32B25/08
    • B32B25/08B32B1/08B32B25/14B32B25/16B32B27/26B32B27/304B32B27/322B32B2250/24B32B2597/00
    • The present invention provides a laminate in which a rubber layer and a fluororesin layer having excellent thermal resistance are firmly adhered to each other without using an adhesive or performing a surface treatment on the rubber layer and the fluororesin layer. The present invention relates to a laminate comprising a rubber layer (A) and a fluororesin layer (B) on the rubber layer (A), wherein the rubber layer (A) is a layer formed of a rubber composition for vulcanization, the rubber composition for vulcanization contains an unvulcanized rubber (a1); at least one compound (a2) selected from the group consisting of 1,8-diazabicyclo(5.4.0)undec-7-ene salts, 1,5-diazabicyclo(4.3.0)-non-5-ene salts, 1,8-diazabicyclo(5.4.0)undec-7-ene, and 1,5-diazabicyclo(4.3.0)-non-5-ene; magnesium oxide (a3); and silica (a4), the amount of the compound (a2) is more than 1.0 part by mass and not more than 5.0 parts by mass, for each 100 parts by mass of the unvulcanized rubber (a1), the fluororesin layer (B) is a layer formed of a fluoropolymer composition, the fluoropolymer composition contains a fluoropolymer (b1) having a polymer unit derived from ethylene and a polymer unit derived from tetrafluoroethylene, and the fluoropolymer (b1) contains 60 mol% or more of the polymer unit derived from tetrafluoroethylene for the total of the polymer units and has a melting point higher than 200°C.
    • 本发明提供一种层压体,其中不使用粘合剂或对橡胶层和氟树脂层进行表面处理,具有优异耐热性的橡胶层和氟树脂层彼此牢固地粘合。 本发明涉及在橡胶层(A)上包含橡胶层(A)和氟树脂层(B)的层压体,其中橡胶层(A)是由硫化用橡胶组合物形成的层,橡胶组合物 硫化时含有未硫化橡胶(a1); 至少一种选自1,8-二氮杂双环(5.4.0)十一碳-7-烯盐,1,5-二氮杂二环(4.3.0) - 壬-5-烯盐,1,3-二氮杂双环[ (5.4.0)十一碳-7-烯和1,5-二氮杂双环(4.3.0) - 壬-5-烯; 氧化镁(a3); (a1),氟树脂层(B)100质量份中,化合物(a2)的含量超过1.0质量份且5.0质量份以下时, 是由含氟聚合物组合物形成的层,含氟聚合物组合物含有具有来自乙烯的聚合单元和来自四氟乙烯的聚合单元的含氟聚合物(b1),含氟聚合物(b1)含有60摩尔%以上的衍生的聚合单元 来自四氟乙烯的聚合物单元的总量并且具有高于200℃的熔点。