Aqueous dispersion and composite powder of fluorine-containing p

Details Aqueous dispersion and composite powder of fluorine-containing p Aqueous dispersion and composite powder of fluorine-containing p

1992-08-14

1994-03-22

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

252 495, 252610, 264 47, 42840224, 428407, 523201, 524805, B01J 1300, B32B 2700, C08F 1426

Patent

active

052961656

ABSTRACT:
An aqueous dispersion comprising composite colloidal particles having an average particle size of 0.05 to 1.0 micrometer each of which comprises a core made of a copolymer comprising 99-100% by weight of tetrafluoroethylene and 0 to 1% by weight of a fluorine-containing olefin which is copolymerizable with tetrafluoroethylene and a shell made of at least one thermoplastic polymer resin selected from the group consisting of ethylene/tetrafluoroethylene base copolymers, ethylene/chlorotrifluoroethylene base copolymers and vinylidene fluoride/hexafluoroisobutene base copolymers, from which composite fluorine-containing polymer particles having good dispersibility in other polymer are prepared and from which an organosol of the composite fluorine-containing polymer particles is formed.

REFERENCES:
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patent: 3904575 (1975-09-01), Satokawa et al.
patent: 4129618 (1978-12-01), Downer et al.
patent: 4469846 (1984-09-01), Khan et al.
patent: 4692493 (1987-09-01), Sulzbach et al.
patent: 4780490 (1988-10-01), Mizuno et al.
patent: 4929528 (1990-05-01), Shinoki et al.
Abstract, JP47031096, Daikin Kogyo Co. Ltd.

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