Silphenylene polymer and composition containing same

Details Silphenylene polymer and composition containing same Silphenylene polymer and composition containing same

1998-10-28

2000-06-06

Dawson, Robert

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

Synthetic resins

From silicon reactant having at least one...

525477, 528 17, 528 18, 528 24, 528 35, 528 43, C08G 7708

Patent

active

060720166

ABSTRACT:
A silphenylene polymer having the general formula: ##STR1## wherein each R is independently a monovalent hydrocarbon group free of aliphatic unsaturation and having 1 to 10 carbon atoms; Ph is a substituted or unsubstituted phenylene group; R.sup.1 is an alkylene group having 2 to 10 carbon atoms or an alkyleneoxyalkylene group; A is a hydrolyzable group or a hydroxy group; B is an alkylene group having 2 to 10 carbon atoms, an alkyleneoxyalkylene group, or an oxygen atom; n is an integer from 0 to 2; x is an integer having a value of at least 1; y is an integer having a value of at least 0; and z is an integer having a value of at least 0.

REFERENCES:
patent: 3398175 (1968-08-01), Leitheiser
patent: 5976703 (1999-11-01), Nakata et al.

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