Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Patent
1985-09-25
1986-12-02
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
528 10, 528 31, 528 32, 528 43, 357 72, 357 52, 357 8, 357 84, 427 93, C08F 246
Patent
active
046265562
ABSTRACT:
A novel raddery organopolysilsesquioxane having lower alkyl groups and alkenyl groups as the side chains and, if necessary, having aryl groups and/or hydrogen atoms bonded as the side chains can be produced by adding water to a solution of a lower-alkyltrihalogenosilane, an alkenyltrihalogenosilane, and, if necessary, an aryltrihalogenosilane and/or a trihalogenosilane in an organic solvent, and heating the resulting mixture. The aforesaid organopolysilsesquioxane can be used for forming a patterned surface-protecting layer or insulating layer for a semiconductor device, in the form of a mixture with a compound which generates crosslinking-reaction-active species upon irradiation with light or an ionizing radiation.
REFERENCES:
patent: 3372133 (1968-03-01), Krantz
patent: 4273420 (1981-06-01), Watanabe et al.
patent: 4300153 (1981-11-01), Hayakawa et al.
patent: 4399266 (1983-08-01), Matsumura et al.
patent: 4480009 (1984-10-01), Berger
Matsumura Yoshio
Nozue Ikuo
Tomomitsu Osahiko
Yumoto Yoshiji
Japan Synthetic Rubber Co. Ltd.
Marquis Melvyn I.
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