Method of preparing polyurethane foam utilizing block copolymers

Details Method of preparing polyurethane foam utilizing block copolymers Method of preparing polyurethane foam utilizing block copolymers

1997-06-05

1998-12-01

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

528 29, 528 35, C08G 1848

Patent

active

058440100

ABSTRACT:
The invention relates to the use of block copolymers having linked siloxane blocks of the general average formula ##STR1## as additive in the production of polyurethane foams.

REFERENCES:
patent: 5492939 (1996-02-01), Stanga et al.
patent: 5525640 (1996-06-01), Gerkin et al.
patent: 5650449 (1997-07-01), Mokund et al.

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