Appeal No. 95-4199
Application No. 08/068,445
where R and R are each selected from hydrogen, hydrocarbyl or3 4
halogen-substituted hydrocarbyl; and from 20 to 90% by weight,
relative to the total weight of the carbonate and aromatic
ester segments in the terpolymer, of aromatic diester units of
the formula:
where A is phenylene.
8. A process for the production of a terpolymer which
comprises introducing phosgene into a stirred two phase
mixture comprising:
(1) a siloxane, terminated by phenolic hydroxyls, of the
structu re:
where R and R are selected from hydrogen, hydrocarbyl or1 2
halogen-substituted hydrocarbyl; where D is an integer of from
about 10 to about 120; and Y is selected from hydrogen,
hydrocarbyl, halogen-substituted hydrocarbyl and alkoxy,
(2) a
bisphenol , of the
structure :
4
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