Method for making a dicyclopentadiene thermoset polymer

Details Method for making a dicyclopentadiene thermoset polymer Method for making a dicyclopentadiene thermoset polymer

1982-01-25

1983-08-23

Levin, Stanford M.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

252429B, 524788, 524789, 524856, 525211, 526 77, 526142, 526169, 526283, B29F 108, C08F 478

Patent

active

044003404

ABSTRACT:
A method of making a thermoset polydicyclopentadiene by first combining a plurality of reactant streams, one containing the activator of a metathesis-catalyst system, a second containing the catalyst of a metathesis-catalyst system and at least one containing dicyclopentadiene; then immediately injecting this combination into a mold where polymerization results in the formation of a tough, rigid thermoset polymer with high modulus and excellent impact strength.

REFERENCES:
patent: 2846426 (1958-08-01), Larson et al.
patent: 3492245 (1970-01-01), Calderon et al.
patent: 3931357 (1976-01-01), Meyer et al.
patent: 4002815 (1977-01-01), Minchak
Die Makromolckulare Chemie; G. Dall'Asta, G. Motroni, R. Manetti, and C. Tosi; "Homopolymerization of Dicyclopentadiene Induced by Ziegler-Natta Catalysts and by other Transition Metal Systems"; 1969; pp. 153-165; vol. 130.

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