Curable composition

Details Curable composition Curable composition

2007-11-20

2007-11-20

Smith, Duane (Department: 1724)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S515000, C524S522000, C524S525000, C524S528000, C524S588000, C525S104000, C525S192000, C525S221000, C525S223000, C528S015000, C528S025000

Reexamination Certificate

active

10475020

ABSTRACT:
The object of the present invention is to significantly improve weather resistance over a long period of time of the cured product of the invention, while maintaining physical properties, such as tensile properties and rubber-like elasticity, at levels required of sealing compositions for use in general buildings.The curable composition of the invention is a curable composition which comprises a vinyl polymer having a reactive silicon containing group (a), such as a (meth) acrylic polymer having a reactive silicon containing group, a polyoxyalkylene polymer having a reactive silicon containing group (b), such as a polyoxypropylene having a reactive silicon containing group, and a plasticizer having an acrylic component (c), such as an acrylic polymer, and is reacted and crosslinked in the presence of moisture to provide a rubbery cured product.

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“Plastics Additives” by Gachter/Muller, 4thEd, Chapter 5, p. 396, 1993.

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