Fast moisture curing and UV-moisture dual curing compositions

Details Fast moisture curing and UV-moisture dual curing compositions Fast moisture curing and UV-moisture dual curing compositions

2003-10-15

2008-05-06

Zimmer, Marc S. (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

C522S033000, C522S038000, C522S039000, C528S017000, C528S021000, C525S477000

Reexamination Certificate

active

07368519

ABSTRACT:
The invention provides fast moisture and photo/moisture curing silicone compositions and methods for the preparation thereof. More particularly, the compositions provided are prepared from silanol and silane cappers; the cappers have an α-carbon bonded to the silicon atom allowing for a favorable hypervalent silicon transition state when reacting the silane and silanol. This favorable transition state enables both a fast endcapping reaction and contributes to the fast moisture curing properties of the inventive compositions.

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Chu, H.K.,Silicones and Silicone-Modified Materials,ed. Clarson, et al., American Chemical Society, Washington DC, pp. 170-179 (2000).

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