Photopolymerization of olefinically unsaturated monomers utilizi

Details Photopolymerization of olefinically unsaturated monomers utilizi Photopolymerization of olefinically unsaturated monomers utilizi

1981-09-03

1983-09-13

Briggs, Sr., Wilbert J.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415922, 210733, 427 541, C08F 210, C08F 250, C08F 246

Patent

active

044040733

ABSTRACT:
High molecular weight water-soluble polymers essentially devoid of residual monomer content and well adapted for use as flocculating agents, are prepared by photopolymerizing a thin layer of a deoxygenated aqueous solution of an olefinically unsaturated monomer continuously deposited upon a travelling support substrate, said aqueous solution containing a photopolymerization photoinitiator and said photoinitiator comprising benzil dimethylacetal.

REFERENCES:
patent: 4131529 (1978-12-01), Osterioh et al.
patent: 4178221 (1979-12-01), Boutin et al.
patent: 4190602 (1980-02-01), Brunisholz et al.
patent: 4252625 (1981-02-01), Boutin et al.
patent: 4308148 (1981-12-01), Boutin et al.

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