Thermal sensitive recording medium

Details Thermal sensitive recording medium Thermal sensitive recording medium

1998-03-04

2000-02-22

Hess, Bruce

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Having nonchromogenic liquid spread-control or...

503208, 503216, 503225, B41M 530

Patent

active

060280301

ABSTRACT:
A thermal sensitive recording medium which further contains poly urea compound in the thermal color developing layer containing dye precursor and color developer, which displays an excellent image preservative stability. Said poly urea compound contains units of a structure represented by general formula (1), and further contains a repeating unit represented by general formulae (2).about.(7). ##STR1## In these formulae A.sup.1 .about.A.sup.7 are a divalent group, R.sup.1 .about.R.sup.5 are an alkyl group, an alkoxy group or an electron accepting group, o, p, and q are an integer from 0 to 4, r is an integer from 2 to 12 and s and t are an integer from 0 to 8.

REFERENCES:
patent: 2181663 (1939-11-01), Martin
patent: 2973342 (1961-02-01), Inaba et al.
patent: 4243716 (1981-01-01), Kosaka et al.
patent: 5380693 (1995-01-01), Goto
E.L. Lawton et al., Appl. Polym. Sci., 25, 287 (1980), No Month.
C.S. Marvel, et al, J. Am. Chem. Soc., 72, 1674 (1950), No Month.
P. Borner et al., Makromol, Chem., 101, 1(1967), No Month.
L. Alexandru et al., J. Polym.Sci., 52, 331(1961), No Month.
J. Falbe et al, "Rompp Chemie Lexikon", 1990, Georg Thieme Verlag vol. 3, p. 1731--p. 1732, No Month.
Database WPI, Sec. Ch, Week 9621, Derwent Pub., London, GB & JP 08 072 406 abstract, No Month.
N. Yamazaki et al., J. Polym. Sci., Polym. Part C., 12, 517(1974).
G.J.M. Van d, Kerk, Recuil. Trav. Chim., 74, 1301(1955).
R.D. Katsarava et al., Makromal, Chem., 194, 3209 (1993).
W.R. Sorensen, J. Org. Chem., 24, 978 (1993).

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