Use of gum S-88 in printing paste systems

Details Use of gum S-88 in printing paste systems Use of gum S-88 in printing paste systems

1980-03-17

1982-05-25

Tungol, Maria Parrish

Bleaching and dyeing; fluid treatment and chemical modification

Coating or sizing with dyeing process or product

8561, 536123, 536114, D06P 148, C07G 1100, C07G 17001

Patent

active

043314406

ABSTRACT:
A method of printing using polysaccharide gum S-88 as a thickening agent for printing pastes has been developed. The S-88 gum is gellable in the presence of about above 6% to 50% electrolyte. The gelling characteristic of the gum is useful in both single- and multi-phase print systems. The single-phase print system uses a print paste composition containing the S-88 gum together with about 1-6% concentration of electrolyte which, when applied to a substrate, and when the overall moisture content drop (by such methods as heating, etc.) results in a concomitant increase in electrolyte concentration sufficient to cause gelation. The multi-phase print system uses the electrolyte in one phase and the gellable gum in another; i.e., the electrolyte-containing paste or solution with concentration of 6-50% electrolyte is either impregnated on or in the substrate or is present in the printing paste which is applied before or after the S-88 gum-containing paste.

REFERENCES:
patent: 3697498 (1972-10-01), Browning et al.
patent: 3810882 (1974-05-01), Browning et al.

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