Storage stable components of reactive formulations for bulk poly

Details Storage stable components of reactive formulations for bulk poly Storage stable components of reactive formulations for bulk poly

1988-08-04

1990-07-24

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526133, 526142, 526161, 526166, 526185, 526187, 526188, 526189, 526281, 526282, 526283, 526902, 526 77, 526169, 502114, 502115, 502117, 502154, C08F 432, C08F 452

Patent

active

049436210

ABSTRACT:
Methods of preparing storage stable components useful for metathesis bulk polymerization of cycloolefin monomers are provided. These components contain cycloolefins with norbornene-functional groups and cocatalysts activated with a halometal compound. In these methods, the cocatalyst is completely formed before the halometal activator is added to prevent the formation of unwanted hydrogen halides, which catalyze undesired crosslinking reactions which destabilize the cocatalyst component. Bulk polymerization systems are provided wherein these storage stable cocatalyst components are paired with catalyst components that together form the complete metathesis catalyst system. For some embodiments, storage stability is aided by the removal of water.

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