Thermoplastic polyester carbonate-polysiloxane block copolymers

Details Thermoplastic polyester carbonate-polysiloxane block copolymers Thermoplastic polyester carbonate-polysiloxane block copolymers

1991-06-26

1992-06-30

Bleutge, John C.

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

Synthetic resins

From silicon reactant having at least one...

528 26, 528 29, 528 23, 528 25, C08G 7706

Patent

active

051264951

ABSTRACT:
The new polyester carbonate-polysiloxane block copolymers having recurrent structural units of the following formulae ##STR1## have improved resistance to petrol compared with known polyester carbonate-polysiloxane block copolymers. They are used for the manufacture of moulded products, in particular those used under the engine bonnet of a motor vehicle or as external parts of motor vehicles.

REFERENCES:
patent: 3379790 (1968-04-01), Krauss et al.
patent: 3994988 (1976-11-01), Laurin
patent: 4681922 (1987-07-01), Schmidt et al.
patent: 4894427 (1990-01-01), Yamamoto et al.
patent: 5032661 (1991-07-01), Serini et al.

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