Process for producing high density elastic polyurethane using a

Details Process for producing high density elastic polyurethane using a Process for producing high density elastic polyurethane using a

1985-08-21

1987-01-20

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

528 53, C08G 1818

Patent

active

046380167

ABSTRACT:
Process for producing a high density elastic polyurethane of reduced weight having excellent resistance to bending, which employs as catalyst 4-methyl-1-(2-dimethylaminoethyl)piperazine or a mixture of 4-methyl-1-(2-dimethylaminoethyl)piperazine and another tertiary amine compound as co-catalyst.

REFERENCES:
patent: 2949431 (1974-08-01), Britain
Britain J. Applied Polymer Science, vol. 4, pp. 207-211 (1960).

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