Polymerizable composition, crosslinkable resin, and...

Details Polymerizable composition, crosslinkable resin, and... Polymerizable composition, crosslinkable resin, and...

2007-10-19

2011-12-20

Teskin, Fred M (Department: 1762)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S227000, C526S282000, C526S283000, C526S327000, C526S902000, C427S385500, C156S307300

Reexamination Certificate

active

08080623

ABSTRACT:
A polymerizable composition suitable as an electric material and the like used in an electric circuit board, which comprises a norbornene monomer, a metathesis polymerization catalyst, and a chain transfer agent composed of a compound represented by formula (A):in-line-formulae description="In-line Formulae" end="lead"?CH2═CH—Y—OCO—CR1═CH2in-line-formulae description="In-line Formulae" end="tail"?wherein Y represents a divalent hydrocarbon group having 3 to 20 carbon atoms, and R1represents a hydrogen atom or a methyl group. By further comprising a crosslinking agent in the polymerizable composition, obtaining a crosslinkable resin by carrying out bulk polymerization, and crosslinking the crosslinkable resin to obtain a molded article and a crosslinked resin composite having excellent characteristics such as electric insulation, adhesion, mechanical strength, heat resistance, dielectric properties and the like.

REFERENCES:
patent: 2006/0211834 (2006-09-01), Sugawara
patent: 2009/0305018 (2009-12-01), Ohtaki et al.
patent: 1990364 (2008-11-01), None
patent: 2067812 (2009-06-01), None
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patent: WO 97/03096 (1997-01-01), None
patent: WO-2004/003052 (2004-01-01), None
patent: WO-2007/091551 (2007-08-01), None

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