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    • 10. 发明授权
    • Aromatic vinyl ether siloxanes
    • 芳香族乙烯基醚硅氧烷
    • US5157094A
    • 1992-10-20
    • US564919
    • 1990-08-09
    • Kou-Chang Liu
    • Kou-Chang Liu
    • C08G59/14C08G59/62
    • C08G59/62C08G59/1444
    • This invention relates to an aromatic vinyl ether siloxane having the formula ##STR1## wherein A is --CH.sub.2 -- or >C(CH.sub.3).sub.2 ;m has a value of from 1 to 22;R.sub.1 and R.sub.2 are each selected from the group consisting of ##STR2## with the proviso that at least one of R.sub.1 and R.sub.2 is (a) and R.sub.2 can be a mixture of (a) and (b) when m is greater than one,R.sub.3 and R.sub.4 are lower alkyl,r has a value of from 0 to 20,R is alkylene or alkylene phenylene,B is C.sub.2 to C.sub.20 alkylene, arylene or a fluorinated derivative of these radicals,t has a value of from 1 to 100,Z is C.sub.2 to C.sub.3 alkylene andn has a value of from 1 to 10.
    • 本发明涉及具有下式的芳族乙烯基醚硅氧烷:其中A是-CH 2 - 或> C(CH 3)2; m的值为1〜22; R1和R2各自选自(a)和(b),条件是R 1和R 2中的至少一个是(a),R 2可以是(a)和 (b)当m大于1时,R 3和R 4为低级烷基,r为0至20的数值,R为亚烷基或亚烷基亚苯基,B为C 2至C 20亚烷基,亚芳基或这些基团的氟化衍生物, t的值为1〜100,Z为C2〜C3亚烷基,n为1〜10的数值。