Melt dyeing of polyethylene with indigo

Details Melt dyeing of polyethylene with indigo Melt dyeing of polyethylene with indigo

1980-10-08

1982-01-05

Jacobs, Lewis I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4221, C08L 9106

Patent

active

043093230

ABSTRACT:
A composition comprising polyethylene having from about 0.002 to about 1 weight percent of indigo dye uniformly melt dispersed therein. The average particle size of the dispersed indigo being less than about 1 micron. And the process for coloring polyethylene which comprises blending indigo into melted polyethylene at a concentration of from about 0.002 to about 1 percent by weight of polyethylene until a uniform dispersion is obtained.

REFERENCES:
patent: 3767444 (1973-10-01), Zeisberger
patent: 4235641 (1980-11-01), Engelmann et al.

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