Polyamides having high notched impact strength and high fluidity

Details Polyamides having high notched impact strength and high fluidity Polyamides having high notched impact strength and high fluidity

1985-12-30

1987-04-07

Bleutge, John C.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C08L 6900

Patent

active

046562281

ABSTRACT:
Unfilled, unreinforced polyamide moulding compounds are disclosed which have high rigidity and notched impact strength and are highly fluid in the molten state, containing aliphatic polycarbonate polyurethanes which are substantially unbranched in the carbon chain, prepared from polyhexamethylene carbonate diols and/or mixtures thereof with oligo- or polyalkylene glycols having 4-100 carbon atoms and 1,6-diisocyanatohexane.

REFERENCES:
patent: 3544524 (1970-12-01), Muller et al.
patent: 4369285 (1983-01-01), Sanderson et al.

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