Thermally sensitive recording medium

Details Thermally sensitive recording medium Thermally sensitive recording medium

B - Operations, Transporting

41

M

B41M 5/30 (2006.01) B41M 5/333 (2006.01) B41M 5/337 (2006.01)

Patent

CA 2287853

A thermally sensitive recording medium which has thermally sensitive recording layer containing colorless or pale colored basic leuco dye and organic color developer as main components on a substrate, wherein said thermally sensitive recording layer contains diphenylsulfone bridgeable type compound represented by general formula (1) and at least one compound represented by general formula (1). (see formula I) In general formula (2), X and Y can be different and indicates a saturated or an unsaturated liner or grafted hydrocarbon group of carbon number 1-12 which can possess ether bond, or indicates (see formula II) or (see formula III) wherein R indicates a methylene group or an ethylene group, T indicates a hydrogen atom or an alkyl group of carbon number 1-4, and R1-R6 independently indicate a halogen atom, an alkyl group of carbon number 1-6, or an alkenyl group, further, m, n, p, q, r, t indicate an integer number of 0-4 and when are bigger than 2, R1-R6 can be different, and a is an integer of 0-10. (see formula IV) In general formula (2), R7 represents an alkyl group of carbon number 1-6 or an electron attracting group, u is an integer of 0-2.

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