Bis-propargyl thermosets
    1.
    发明授权
    Bis-propargyl thermosets 失效
    双炔丙基热固性塑料

    公开(公告)号:US5475133A

    公开(公告)日:1995-12-12

    申请号:US346108

    申请日:1994-11-28

    CPC分类号: C07C69/92 C08F38/00

    摘要: The present invention provides (1) curable bispropargyl-containing monomers represented by the formula: B.sup.1 --A.sup.1.sub.m --R--A.sup.2.sub.n --B.sup.2 wherein R is a radical selected from the group consisting of 1,4-phenylene, 4,4'-biphenyl, 2,6-naphthalene, --C.sub.6 H.sub.4 --CR.sup.2 .dbd.CR.sup.2 --C.sub.6 H.sub.4 -- wherein R.sup.2 is H or CH.sub.3, and the same where said groups contain one or more substituents selected from the group consisting of halo, nitro, lower alkyl, lower alkoxy, fluoroalkyl or fluoroalkoxy, A.sup.1 and A.sup.2 are selected from the group consisting of --C.sub.6 H.sub.4 --C(O)--O-- and --C.sub.6 H.sub.4 --O--C(O)--, m and n are 0 or 1, m+n is 0, 1 or 2, and B.sup.1 and B.sup.2 are --OCH.sub.2 --C.tbd.C--H, (2) thermoset compositions comprised of cured segments derived from monomers represented by the formula: B.sup.1 --A.sup.1.sub.m --R--A.sup.2.sub.n --B.sup.2 as described above, and (3) curable blends of at least two of the monomers.

    摘要翻译: 本发明提供(1)由式B1-A1m-R-A2n-B2表示的可固化双炔丙基单体,其中R是选自1,4-亚苯基,4,4'-联苯, 2,6-萘,-C6H4-CR2 = CR2-C6H4-,其中R2是H或CH3,并且相同,其中所述基团含有一个或多个选自卤素,硝基,低级烷基,低级烷氧基,氟代烷基 或氟烷氧基,A1和A2选自-C6H4-C(O)-O-和-C6H4-OC(O) - ,m和n为0或1,m + n为0,1或2 ,和B1和B2是-OCH2-C3BCH,(2)由如上所述由式B1-A1m-R-A2n-B2表示的单体衍生的固化链段组成的热固性组合物,和(3)可固化共混物 至少两种单体。