Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1977-11-01
1981-01-13
Person, Sandra M.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 4221, C08K 310, C08L 906
Patent
active
042448620
ABSTRACT:
Block copolymers of a vinyl-substituted aromatic hydrocarbon and a conjugated diene, having alkali metal atoms linked to at least one terminal of the polymer chain are obtained by polymerizing vinyl-substituted aromatic hydrocarbon and conjugated diene monomers with use of an alkali metal or organo alkali metal initiator. The block copolymer thus obtained is treated with a polar reactant to introduce polar groups into the polymer chain terminal.
Compositions for paints and printing inks are prepared by incorporating inorganic pigments into the block copolymer having the terminal polar group.
REFERENCES:
patent: 3108994 (1963-10-01), Zelinski et al.
patent: 3135716 (1964-06-01), Uraneck et al.
patent: 3567798 (1971-03-01), Haefele et al.
patent: 3726824 (1973-04-01), Saunders et al.
patent: 3855189 (1974-12-01), Farrar et al.
patent: 3890408 (1975-06-01), Schepers et al.
patent: 3947536 (1976-03-01), Horiie et al.
Asai Shinichiro
Handa Minoru
Nishizawa Takuzi
Ogawa Hiroko
Denki Kagaku Kogyo Kabushiki Kaisha
Person Sandra M.
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