Manufacture of low molecular weight block copolymers of vinyl or

Details Manufacture of low molecular weight block copolymers of vinyl or Manufacture of low molecular weight block copolymers of vinyl or

1973-07-30

1976-08-31

Turer, Richard B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 775CR, 260887, 260901, C08L 2300, C08L 3304

Patent

active

039781607

ABSTRACT:
Manufacture of low molecular weight block copolymers of vinyl or diene monomers and alkylene oxides. In a first stage, the vinyl or diene monomers are polymerized as chain stopper, and in a second stage, one or two blocks A are added thereto by the addition of further alkylene oxide. The resulting block copolymers may be used as prepolymers for the manufacture of polyurethanes, as dispersing agents for dyes, as antistatic agents, emulsifiers, surfactants or as paper and textile finishing agents.

REFERENCES:
patent: 3050511 (1962-08-01), Szwarc
patent: 3175997 (1965-03-01), Hsieh

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