Process for the production of inorganic-organic compositions

Details Process for the production of inorganic-organic compositions Process for the production of inorganic-organic compositions

1981-09-30

1982-10-19

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521117, 521118, 521121, 521122, 521128, C08G 1814

Patent

active

043551181

ABSTRACT:
The instant invention is directed to a process for the production of an inorganic-organic foam composition comprising reacting an organic, nonionic hydrophilic polyisocyanate with an aqueous alkali metal silicate in the presence of a catalyst and a blowing agent, the improvement wherein said aqueous alkali metal silicate contains from 0.1 to 15% by weight, based on the weight of the aqueous alkali metal silicate, of a compound of the formula: ##STR1## wherein A is selected from the group consisting of N, P and S, wherein R, R', R" and R'" may be the same or different and are selected from the group consisting of allyl, vinyl, C.sub.1 to C.sub.17 alkyl or mono- or polyhydroxy substituted alkyl, C.sub.6 to C.sub.10 aryl or mono- or polyhydroxy substituted aryl, C.sub.7 to C.sub.22 aralkyl or mono- or polyhydroxy substituted aralkyl, and C.sub.7 to C.sub.22 alkaryl or mono- or polyhydroxy substituted alkaryl,

REFERENCES:
patent: 3971665 (1976-07-01), Suzuki et al.
patent: 3981831 (1976-09-01), Markusch et al.
patent: 4052347 (1977-10-01), Dieterich et al.
patent: 4067815 (1978-01-01), Scholl et al.
patent: 4078029 (1978-03-01), Yoshida et al.
patent: 4097422 (1978-06-01), Markusch
patent: 4146509 (1979-03-01), Markusch et al.
The Journal of Physical & Colloid Chemistry, vol. 55, Baltimore, 1951, S. C. Lind, Article entitled "Some Quaternary Ammonium Silicates".

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