Method of making a storage stable isocyanate and its use

Details Method of making a storage stable isocyanate and its use Method of making a storage stable isocyanate and its use

1976-10-04

1978-06-06

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 465R, 260453SP, C08G 1814

Patent

active

040935728

ABSTRACT:
Addition of 0.2 to 0.4 parts of a liquid block copolymer silicone to 100 parts of an organic isocyanate to lower the surface tension of the resulting composition to less than 40 dynes/centimeter to obtain an isocyanate composition that has long room storage stability without crystallization and when used in an impingement type mixture produces polyurethane of a more uniform composition.

REFERENCES:
patent: 2834748 (1958-05-01), Bailey et al.
patent: 3285866 (1966-11-01), Gmitter
patent: 3457200 (1969-07-01), Critchfield et al.

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