Process for preparing reduced density, water blown MDI-based pol

Details Process for preparing reduced density, water blown MDI-based pol Process for preparing reduced density, water blown MDI-based pol

1992-12-04

1993-08-17

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521117, 521129, 521155, 521170, C08G 1808, C08J 912

Patent

active

052369641

ABSTRACT:
A method for preparing a reduced density MDI based polyurethane foam by reacting a polyol with an MDI composition using at least 4 parts by weight water based on 100 parts of polyol as the blowing agent and a catalyst composition consisting essentially of the addition product of triethylenediamine and a boron compound of the formula

REFERENCES:
patent: 4833176 (1989-05-01), Wolf et al.
patent: 5006569 (1991-04-01), Stone
patent: 5086081 (1992-02-01), Savoca et al.
patent: 5104907 (1992-04-01), Yoshimura et al.
patent: 5130403 (1992-07-01), Savoca et al.

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