Pressure-sensitive carbonless transfer sheets using hot melt sys

Details Pressure-sensitive carbonless transfer sheets using hot melt sys Pressure-sensitive carbonless transfer sheets using hot melt sys

1976-12-06

1979-03-13

Lesmes, George F.

Textiles: manufacturing

428307, 428335, 428336, 428342, 428488, 428914, B41M 522

Patent

active

041438906

ABSTRACT:
A pressure-sensitive carbonless transfer sheet comprising a paper substrate having a front and back surface and a coating compositon adhered to at least one of the front and back surfaces of the paper substrate. The coating composition is set to a flexible, tack-free coat, and the coating composition includes a solvent free non-aqueous hot melt suspending medium which is characterized by being substantially water insoluble, being characterized by the presence of one or more functional groups selected from the group consisting of: carboxyl, carbonyl, hydroxyl, ester, amide, amine, heterocyclic groups and combinations thereof to impart polarity thereto and having a melting point of from about 60.degree. C. to about 140.degree. C. and a melting point range of less than about 15.degree. C. In addition the coating composition includes an encapsulated, chromogenic material which is substantially dispersed therein, the hot melt suspending medium being compatible with the color forming characteristics of the capsular chromogenic material. This invention further includes a liquid chromogenic coating compositon which comprises a hot melt suspending medium in combination with a microencapsulated chromogenic material. The chromogenic material is a color precursor of the electron donating type which is mixed with a carrier oil to form an oil solution of the chromogenic color precursor material which is then combined with one or more wall forming compounds.

REFERENCES:
patent: 2170140 (1939-08-01), Grupe
patent: 2781278 (1957-02-01), Harmon
patent: 3016308 (1962-01-01), Macaulay
patent: 3031327 (1962-04-01), Newman
patent: 3079351 (1963-02-01), Staneslow et al.
patent: 3684549 (1972-08-01), Shank

Affiliated with

Also associated with

Rating

Pressure-sensitive carbonless transfer sheets using hot melt sys does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pressure-sensitive carbonless transfer sheets using hot melt sys, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pressure-sensitive carbonless transfer sheets using hot melt sys will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2368502