Ionomer compositions and method for their preparation

Details Ionomer compositions and method for their preparation Ionomer compositions and method for their preparation

1987-06-01

1988-10-04

Lilling, Herbert J.

Stock material or miscellaneous articles

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

Particulate matter

427215, 427216, 427221, 427222, 428407, 524577, 525132, 528488, 528490, 528492, C08K 904, C08L 7104

Patent

active

047755911

ABSTRACT:
Ionomers in the salt form, such as the ammonium salts of sulfonated polystyrene, are precipitated from solution in a non-polar organic liquid by contact with a polar liquid in which the ionomer has only limited solubility (e.g., methanol) and a particulate solid such as a polyphenylene ether, followed by contact with a salt such as ammonium chloride, preferably in solution in the polar liquid. The resulting ionomer-coated polyphenylene ether particles are easily filtered and handled.

REFERENCES:
patent: 4000116 (1976-12-01), Renner
patent: 4143185 (1979-03-01), Lundberg et al.
patent: 4169186 (1979-09-01), Tazaki et al.
patent: 4187358 (1980-02-01), Kyo et al.
patent: 4233387 (1980-11-01), Mammino et al.
patent: 4508761 (1985-04-01), Miyoshi et al.
patent: 4511712 (1985-04-01), Florence
patent: 4529761 (1985-07-01), Lohmeijer
patent: 4529778 (1985-07-01), Shannon
patent: 4537925 (1985-08-01), Luxon
patent: 4579905 (1986-04-01), Krabbenhoft

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