Surface modified clays and process of manufacture

Details Surface modified clays and process of manufacture Surface modified clays and process of manufacture

1987-08-26

1989-01-17

Herbert, Thomas J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

106417, 106418, 106457, 106468, 106487, 106469, 427221, 4272481, 427255, 428407, 428409, 523205, 523209, 524789, B32B 516, C23C 1600

Patent

active

047987669

ABSTRACT:
A method is described in which a layered lattice silicate is surface modified with an organic material by reacting said layered lattice silicate in particulate form with a reactant system comprising gaseous NH.sub.3 at temperatures below about 1000.degree. C. and contacting the aminated silicate in particulate form with an organic compound selected from the group of monomers, co-monomers, prepolymers and compounds condensable with the amine group, such as a nylon precursor, in the presence of gaseous hydrogen. The surface modified silicates are useful as fillers in a filled polymer system comprising a matrix polymer and a filler.

REFERENCES:
patent: 3773708 (1973-11-01), Takahashi et al.
patent: 4472538 (1984-09-01), Kamigaito et al.
M. F. Savchits et al., "High Temperature Amination of the Surface of Oxide Catalysts", Mar. 7, 1979, pp. 1-7.

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