Organopolysiloxanes modified with poly-carbodiimide

Details Organopolysiloxanes modified with poly-carbodiimide Organopolysiloxanes modified with poly-carbodiimide

1978-06-22

1980-07-22

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

260 18S, 260 291SB, 525452, 525474, 528 17, 528 18, 528 23, 528 33, 528 34, 528 44, 10628714, 525453, 525457, C08G 7704

Patent

active

042140668

ABSTRACT:
Polycarbodiimide is present as a solid phase in a liquid polyorganosiloxane, preferably being formed therein by mixing a polyisocyanate with the polysiloxane followed by a carbodiimidization catalyst. If the polyorganosiloxane contains hydroxyl groups it can be chemically bonded to the polycarbodiimide. The composition can be cured to solid plastic masses of superior properties by adding a curing agent for the polysiloxane.

REFERENCES:
patent: 4076763 (1978-02-01), Thom et al.

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