Process for the production of viscosity-stable, low-gel highly c

Details Process for the production of viscosity-stable, low-gel highly c Process for the production of viscosity-stable, low-gel highly c

1993-07-07

1994-04-12

Welsh, Maurice J.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524726, 528 61, 528 64, 422131, 422133, 422134, 422135, C08L 7504

Patent

active

053026608

ABSTRACT:
The invention relates to a process for the production of low-gel spinning solutions-surprisingly stable in their solution viscosity-of segmented polyurethane urea elastomers in highly polar solvents, such as dimethyl formamide or dimethyl acetamide, characterized by the use of multistage jet reactor, and to a multistage jet reactor.

REFERENCES:
patent: 4526907 (1985-07-01), Thiele et al.

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