Title: Process for preporing polymerization composition based cross-linked and thermoset
Application Number: 85109125 Application Date: 1985.11.16
Publication Number: 1003486 Publication Date: 1986.09.24
Approval Pub. Date: 1990.05.16 Granted Pub. Date: 1990.05.16
International Classifi-cation: C08F4/78;C08F32/08;C08G61/08
Applicant(s) Name: Hercules Inc. Address:
Inventor(s) Name: Dariel Willian Klosiewicz;Steven Harold Nahm
Attorney & Agent: LUO HONG
Abstract:
    The glass transition temperature of thermoset polymers of norbornene type monomers-particularly those of dicyclopentadiene is improved by copolymerizing the monomer with a functional comonomer. The functional comonomer can be one having a polar substituent, one that has four or more rings in the monomer structure, or one that would ordinarily homopolymerize to a polymer having a higher glass transition. Such monomers can also act as polymerization inhibitors to delay the onset of cross-linking to allow for easier handling of the monomers after combining them with polymerization activators and catalysts.
Time: 6