Heat-sensitive recording material

Recorders – Record receiver deforming

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

346217, 346221, 427150, 427151, B41M 518

Patent

active

046225668

ABSTRACT:
A heat-sensitive recording material is disclosed, comprising a support having thereon a heat-sensitive, color-forming layer mainly composed of as color-forming components a colorless or pale-colored leuco dye and an acidic compound capable of allowing said leuco dye to color develop by heating, wherein said heat-sensitive, color-forming layer comprises a color former comprising a fluoran derivative represented by the following general formula (I): ##STR1## wherein R.sub.1 and R.sub.2 each represents a lower alkyl group, and X represents a halogen atom, a lower alkyl group, a cyano group, or a nitro group, a developer comprising bis(p-hydroxyphenyl)sulfone or a derivative thereof represented by the following general formula (II): ##STR2## wherein R.sub.3 and R.sub.4 each represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, a phenoxy group, a carbonyl group, a nitro group, or a cyano group, and a binder comprising an ammonium salt of a diisobutylene/maleic anhydride copolymer and a styrene/butadiene copolymer. The heat-sensitive recording material of the present invention is good in preservability.

REFERENCES:
patent: 4506278 (1985-03-01), Sakamoto et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Heat-sensitive recording material does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Heat-sensitive recording material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Heat-sensitive recording material will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-379460

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.