Method for stabilizing organopolysiloxanes

Details Method for stabilizing organopolysiloxanes Method for stabilizing organopolysiloxanes

1986-05-15

1987-10-20

Bleutge, John C.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524430, 524432, 524433, 525475, 528 23, 528485, 528488, 528489, 556401, C07F 708

Patent

active

047014903

ABSTRACT:
A method for stablizing organopolysiloxanes containing phosphonitrilic chlorides and/or their reaction products against viscosity changes by reacting the phosphorus compounds present in the organopolysiloxanes with at least one oxide, hydroxide or carbonate of a divalent or trivalent metal, and thereafter separating the solid from the organopolysiloxanes.

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patent: 3398176 (1968-08-01), Nitzche et al.
patent: 3652711 (1972-03-01), Triem et al.
patent: 3706775 (1972-12-01), Nitzche et al.
patent: 3839388 (1974-10-01), Nitzche et al.
patent: 4203913 (1980-05-01), Burtchardt et al.
patent: 4460726 (1984-07-01), Huber et al.
patent: 4564693 (1986-01-01), Riederer

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