Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1980-02-27
1981-08-25
Woo, Jay H.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
260 296AQ, 260 326N, 260 4248, D01F 618
Patent
active
042859000
ABSTRACT:
A method for preparing flame-resisting modacrylic fibers containing pentaent antimony oxide is described wherein the antimony oxide is suspended in a mixture of water and an organic solvent selected from dimethylformamide and dimethylacetamide and the suspension is then mixed with the viscose solution of the modacrylic polymeric material to be spun. The process yield high luster, flame-resisting modacrylic fibre of the "L.O.I. uprated" type.
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patent: 4169876 (1979-10-01), Irwin
Cavallaro Antonino
Cazzaro Giorgio
Matera Giancarlo
Salan Antonio
Snia Viscosa Societa' Nazionale Industria Applicazioni Viscosa S
Woo Jay H.
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