Production of closed-cell polyurethane moldings having a densifi

Details Production of closed-cell polyurethane moldings having a densifi Production of closed-cell polyurethane moldings having a densifi

1982-03-30

1984-03-13

Lee, Lester L.

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

Synthetic resins

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

525107, 525108, 525110, 525112, 525114, 525116, 525117, 525120, 525122, 525132, 525155, 525159, 525170, 525172, C08G 1814

Patent

active

044368690

ABSTRACT:
A process for the preparation of moldings, in particular resilient elements, which by virtue of a densified surface zone with substantially closed cells, have only a low water absorption, wherein a mixture comprising:

REFERENCES:
patent: 3042631 (1962-07-01), Strandskov
patent: 3632707 (1972-01-01), Rice
Rubber Age, (May 1966), pp. 76-80.

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