Sheet and tube polymers with pendant siloxane groups

Details Sheet and tube polymers with pendant siloxane groups Sheet and tube polymers with pendant siloxane groups

1998-08-27

2000-01-11

Moore, Margaret G.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 39, 524262, 524263, 524588, 524731, 524858, 524863, 524268, C08F28312, C08G 554

Patent

active

060137401

ABSTRACT:
Polysiloxane sheet or tube polymers having pendant siloxane groups are prepared by contacting sheet or tube silicates with halogen endblocked halosiloxanes represented by the formula: ##STR1## where X is chlorine, fluorine, bromine, or iodine; R1 to R7 are alkyl groups with 1-6 carbon atoms, aryl groups, alkaryl groups, or aralkyl groups; in which one of the groups R1, R4, and R5 can additionally represent X; and n has a value of 2 to about 20.

REFERENCES:
patent: 3162662 (1964-12-01), Brown
patent: 3904583 (1975-09-01), Saunders et al.
patent: 5605982 (1997-02-01), Chao
patent: 5627241 (1997-05-01), Chen

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