Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Plural colors or plural diverse systems
Patent
1993-11-17
1995-08-29
Hess, B. Hamilton
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Plural colors or plural diverse systems
427152, 503207, 503208, 503209, 503210, 503211, 503212, 503216, 503217, 503221, 503226, B41M 540
Patent
active
054460093
ABSTRACT:
In a thermal recording sheet including an intermediate layer, and a thermal color developing layer containing a leuco dye type chromogenic component containing a leuco dye and an organic color developer as main ingredients and a metal chelate type chromogenic component containing an electron acceptor and an electron donor as main ingredients, stacked on a substrate, the intermediate layer contains a pigment having an oil absorption of 100 ml/100 g or less measured according to JIS K 5101, and the thermal color developing layer contains at least one of compounds of Formula (I) and Formula (II) as an organic color developer, a metal double salt of higher fatty acid having 16 to 35 carbon atoms as an electron acceptor, and a polyhydric hydroxy aromatic compound of Formula (III) as an electron donor, whereby providing a thermal recording sheet which is superior in dynamic sensitivity, background color, image stability such as oil resistance and plasticizer resistance, and print adaptability: ##STR1## wherein R is propyl, isopropyl, or butyl, ##STR2## wherein R' is an alkyl of C.sub.18 to C.sub.35, ##STR3## n is an integer of 2 or 3, X is --CH.sub.2 --, --CO.sub.2 --, --CO--, --O--, --CONH--, ##STR4## --SO.sub.2 --, --SO.sub.3, or --SO.sub.2 NH--, and R.sub.1 is an alkyl of C.sub.18 to .sub.35.
REFERENCES:
patent: 4849396 (1989-07-01), Satake et al.
patent: 4853363 (1989-08-01), Satake et al.
patent: 4910185 (1990-03-01), Satake et al.
Fukuchi Tadakazu
Minami Toshiaki
Hess B. Hamilton
Nippon Paper Industries Co. Ltd.
LandOfFree
Thermal recording sheet does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Thermal recording sheet, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Thermal recording sheet will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1819451