Use of a cationic polymerization initiator in the preparation of

Details Use of a cationic polymerization initiator in the preparation of Use of a cationic polymerization initiator in the preparation of

1988-10-17

1989-05-30

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526137, 526237, 526281, 526282, 526283, 526201, 522186, 524741, 524788, 524791, 2643282, 2643286, C08F 3620, C08F 422, C08F 202

Patent

active

048352306

ABSTRACT:
Disclosed is an improved method for making a thermoset polymer wherein a plurality of reactant streams, one of which contains the activator of a metathesis catalyst system combined with a moderator, and a second of which contains the catalyst of the metathesis catalyst system and at least one of which contains dicyclopentadiene are combined to form a reaction mixture, and the reaction mixture is then injected into a mold where polymerization occurs. The improvement comprises adding to the reaction mixture 1-25 mols of a cationic polymerization initiator per 1000 mols of dicyclopentadiene.

REFERENCES:
patent: 3247172 (1966-04-01), Faber
patent: 4005047 (1977-01-01), Chauvin et al.
Translation of Japanese Patent Laid-Open No. 53-24400, published 3/7/78.

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