C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
400/9192
C08G 61/08 (2006.01) C08F 32/08 (2006.01)
Patent
CA 1201234
PLASTICIZED POLYDICYCLOPENTADIENE AND A METHOD FOR MAKING THE SAME Abstract of the Disclosure Incorporation of an ester plasticizer having a solubility parameter from about 7.8 to about 10.2 (cal/cc)1/2 increases the flexibility and impact strength of poly(dicyclopenta- diene). In a preferred embodiment of the method for poly(di- cyclopentadiene) synthesis, the plasticizer is incorporated into at least one of two parts of a metathesis-catalyst system: a catalyst/monomer solution or an activator/monomer solution. The two parts are then combined in the mixing head of a reaction injection molding machine and injected into a mold where the reaction mixture rapidly sets up into a thermo- set polymer with greater flexibility and impact strength than is found in the corresponding unplasticized poly(dicyclopenta- diene).
425315
Fetherstonhaugh & Co.
Hercules Incorporated
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