Purification of organic silicon polymer

Details Purification of organic silicon polymer Purification of organic silicon polymer

1999-01-07

2000-09-05

Dawson, Robert

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

Synthetic resins

Treating polymer containing material or treating a solid...

528499, 556430, 556431, C08J 307

Patent

active

061145009

ABSTRACT:
An organic silicon polymer is purified by washing at least once a solution of an organic silicon polymer with aqueous hydrochloric acid having a concentration of at least 0.001 N, and washing the solution at least twice with ultrapure water having a resistivity of at least 10 M.OMEGA./cm. Metal impurities can be removed from the organic silicon polymer to a sufficient level for use as electronic material without detracting from the polymer's own properties.

REFERENCES:
patent: 5159043 (1992-10-01), Mori et al.

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