Polyisocyanate based aerogel

Details Polyisocyanate based aerogel Polyisocyanate based aerogel

1998-03-31

1999-11-23

Sergent, Rabon

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 61, 521 62, 521 63, 521 82, 521 93, 521 94, 521 97, 521125, 521128, 521130, 521136, 521137, 521155, 521158, 521170, 521902, C08J 928, C08G 1816, C08G 1822, C08L 6100

Patent

active

059901845

ABSTRACT:
Process for making polyisocyanate based aerogels by trimerisation of an organic polyisocyanate in an organic solvent in the presence of a (co)polymer containing an isocyanate-reactive group, gellation and supercritically drying of the obtained sol-gel.

REFERENCES:
patent: 5066684 (1991-11-01), LeMay
patent: 5081163 (1992-01-01), Pekala
patent: 5086085 (1992-02-01), Pekala
patent: 5116883 (1992-05-01), LeMay
patent: 5420168 (1995-05-01), Mayer et al.
patent: 5476878 (1995-12-01), Pekala
patent: 5478867 (1995-12-01), Tabor
patent: 5484818 (1996-01-01), De Vos et al.
patent: 5869545 (1999-02-01), Biesmans et al.

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