Morpholino-modified polysiloxane-polyoxyalkylene copolymers and

Details Morpholino-modified polysiloxane-polyoxyalkylene copolymers and Morpholino-modified polysiloxane-polyoxyalkylene copolymers and

1975-02-25

1977-04-19

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 457P, 260 465E, 2602477L, 260824R, C07D29504, C07D29508, C08G 1814, C08G 7726

Patent

active

040187233

ABSTRACT:
Organosilicone compositions are provided which comprise polysiloxane-polyoxyalkylene copolymers containing monofunctional siloxy units (M.sub.o) and difunctional siloxy units (D.sub.o), an average of between about 2 and about 100 silicon-bonded morpholino-bearing groups (Q) for every two moles of M.sub.o and an average of between 2 and about 30 silicon-bonded, organic-capped polyoxyalkylene blocks (E) for every two moles of M.sub.o, the monofunctional units encompassed by M.sub.o having at least two alkyls bonded to the respective silicon atoms thereof and the difunctional units encompassed by D.sub.o having at least one alkyl bonded to the respective silicon atoms thereof, the remaining organic group bonded to silicon of said monofunctional and difunctional siloxy units being alkyl, Q or E. The polymers of the invention find particular application in the manufacture of cellular urethane products including flame-retarded urethane foam.

REFERENCES:
patent: 3278465 (1966-10-01), Twitchett et al.
patent: 3594334 (1971-07-01), Marlin
patent: 3642670 (1972-02-01), Kanner et al.
patent: 3658867 (1972-04-01), Prokai
patent: 3793300 (1974-02-01), Prokai et al.

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