Ink jet recording sheet and method for producing it
AssigneeMitsubishi Paper Mills Limited
InventorsHideki Sekiguchi, Tetsuya Uto, Jun Urasaki
Life of this patent
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Abstract
An ink jet recording sheet which comprises a support and an ink-receiving layer formed on at least one side of the support, said ink-receiving layer comprising a pigment, colloidal particles or a mixture thereof, and a binder resin, as the main components, wherein the ink-receiving layer contains at least one organic titanium compound of the following formula 1 or 2: wherein R is hydrogen or CmH2m+1, provided that m is 3 or 4, R′ is hydrogen, NH4+ or CnH2n+1, provided that n is an integer of from 1 to 3, and x is an integer of from 1 to 3, wherein R″ is CpH2p, provided that p is an integer of from 5 to 8, R′″ is CqH2q+1, provided that q is 3 or 4, and y is an integer of from 1 to 3.
Claims17
An ink jet recording sheet which comprises a support and an ink-receiving layer formed on the at least one side of the support, said ink-receiving layer comprising a pigment, colloidal particles or a mixture thereof, and a binder resin, as the main components, wherein the ink-receiving layer contains an anti-yellowing effective amount of at least one organic titanium compound of the following formula 1 or 2:
- wherein R is hydrogen or CmH2m+1, provided that m is 3 or 4, R′ is hydrogen, NH4+ or CnH2n+1, provided that n is an integer of from 1 to 3, and x is an integer of from 1 to 3,
- wherein R″ is CpH2p, provided that p is an integer of from 5 to 8, R′″ is CqH2q+1 provided that q is 3 or 4, and y is an integer of from 1 to 3, wherein said at least one organic titanium compound is present in an amount of from 0.01 to 10 wt.% based on the amount of pigment, colloidal particles or the mixture thereof.
Dependencies are inferred from the claim text.