Polymerization of cis-5,6-bis(trimethylsiloxy)-1,3-cyclohexadien

Details Polymerization of cis-5,6-bis(trimethylsiloxy)-1,3-cyclohexadien Polymerization of cis-5,6-bis(trimethylsiloxy)-1,3-cyclohexadien

1991-05-07

1992-06-16

Schofer, Joseph L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253265, 525375, 525386, 526171, 526279, C08F 810, C08F 800

Patent

active

051225743

ABSTRACT:
The monomer cis-5,6-bis(trimethylsiloxy)-1,3-cyclohexadiene can be polymerized with certain nickel II catalysts, such as bis[(ally)trifluoroacetatonickel(II)], bis[(allyl)pentafluorophenoxynickel(II)], and bis[(allyl)iodonickel(II)]. The resulting polymer is a precursor to poly(para-phenylene). Other substituted cyclohexadienes may also be polymerized by these catalysts to form useful polymers.

REFERENCES:
patent: 4618454 (1986-10-01), Ballard
Ballard, D. G. H. et al. (1988) Macromol. 21, 294-304.
McKean, D. R. et al. (1987)Macromol. 20, 1787-1792.

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