Erasable ink: sulphonated rubber dyed with basic dye and dissolv

Details Erasable ink: sulphonated rubber dyed with basic dye and dissolv Erasable ink: sulphonated rubber dyed with basic dye and dissolv

1987-07-14

1988-06-28

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Nontextile, dyeing process or product, including inorganic...

Olefin polymer substrate or rubber

8514, 8654, 8655, 8657, 8659, 106 22, 260DIG38, C09B 6910, C09D 1118

Patent

active

047536586

ABSTRACT:
Disclosed is a coloring material including a rubber having a sulfonic acid group or a salt thereof, which is dyed with a basic dye. The coloring material is prepared by adding a solution of an alkali in an alcohol to a solution of a chlorosulfonated polyolefin in an organic solvent and then adding a basic dye to the obtained reaction liquid, or adding a basic dye to a solution of a sulfonated product of a rubber in an organic solvent, and optionally removing the solvent from the obtained solution.

REFERENCES:
patent: 2400720 (1946-05-01), Staudinger et al.
patent: 3145073 (1964-08-01), Gagliardi
patent: 3148017 (1964-09-01), Gagliardi
patent: 3179486 (1965-04-01), Dammicci
patent: 3920855 (1975-11-01), Dawson et al.
patent: 4256494 (1981-03-01), Yamamoto et al.
patent: 4297260 (1981-10-01), Ferree et al.
patent: 4516978 (1985-05-01), Goto et al.

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