Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Patent
1989-03-06
1990-07-31
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
528 25, 528 29, 528 41, C08G 7704
Patent
active
049451472
ABSTRACT:
There is provided by the present invention aromatic polyester-siloxane block copolymers which can be made by effecting the condensation between tetramethyldisiloxane bisbenzoic acid or acid chloride with a dihydric phenol such as bisphenol A or in combination with a mixture of such tetramethyldisiloxane bisbenzoic acid and aromatic acids, such as terephthalic acid or isophthalic acid. The aromatic polyester-siloxane block copolymers can be used as molding compounds, extruded films, in making composite matrix materials and as flame retardants for aromatic polycarbonates.
REFERENCES:
patent: 4794153 (1988-12-01), Rich
Davis Gary C.
Guggenheim Thomas L.
Hernandez Pamela K.
McDermott Philip J.
Policastro Peter P.
Davis Jr. James C.
General Electric Company
Marquis Melvyn I.
Pittman William H.
Teoli William A.
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