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1. 发明专利

JP2001018539A THERMAL TRANSFER RECORDING MATERIAL 失效
公开(公告)号：JP2001018539A
公开(公告)日：2001-01-23
申请号：JP19745199
申请日：1999-07-12
申请人： DAINIPPON PRINTING CO LTD
发明人： TAKADA TAKESHI , TAKAO SHINO , TAMURA YOSHIHIKO , HANMURA MASAHIRO , HARADA NOBUYUKI
IPC分类号： B41M5/385 , B41M5/382 , B41M5/388 , B41M5/39 , B41M5/395 , B41M5/50 , B41M5/52 , B41M5/38
摘要： PROBLEM TO BE SOLVED: To obtain a sufficient printing density dealing with an acceleration of a printing speed of thermal transferring by providing a dye layer obtained by blending with a specific pigment dye on a thermal transfer sheet to form the sheet, and blending at least one type of specific plasticizer within an acceptive layer of a thermal transfer image receiving sheet. SOLUTION: The thermal transfer recording material is manufactured by a thermal transfer sheet having a dye layer provided on at least one surface of a base material sheet and a thermal transfer image receiving sheet having an acceptive layer provided on at least one surface of a base material, the dye layer and the acceptive layer are superposed, and a dye in the dye layer is transferred to the acceptive layer by a heating means. In this case, the acceptive layer contains a phenoxy resin, and an yellow dye layer of the dye layer contains at least one type selected from a cellulose ester and a quinophthalon dye represented by the formula (wherein R1 to R5 are each a hydrogen atom, a halogen atom, 1-8C alkyl group or the like, R7, R8 are each a hydrogen atom, an alkyl group, cycloalkyl group or the like).

2. 发明专利

JPH1044627A THERMAL TRANSFER RECORDING METHOD AND THERMAL TRANSFER SHEET 失效
公开(公告)号：JPH1044627A
公开(公告)日：1998-02-17
申请号：JP22188696
申请日：1996-08-06
申请人： DAINIPPON PRINTING CO LTD
发明人： EGUCHI HIROSHI , NAKAMURA YUUSUKE , HANMURA MASAHIRO
IPC分类号： B41M5/392 , B41M5/382 , B41M5/38
摘要： PROBLEM TO BE SOLVED: To provide a thermal transfer sheet containing a dye excellent in stability with the elapse of time and not changed in transfer sensitivity before use, susceptible to short-time recording, and capable of obtaining a sharp image, and a thermal transfer recording method using the same. SOLUTION: A receiving material 4 and a thermal transfer sheet 3 wherein a dye layer 2 containing a compd. generating the transfer of polarity from hydrophobicity to hydrophilicity by the irradiation with light and a dye is provided on a base material sheet 1 are superposed one upon an other so that the receiving surface of the receiving material 4 is opposed to the surface of the dye layer 2 of the thermal transfer sheet 3 and heat energy is applied to the thermal transfer sheet 1 from the surface on the side opposite to the surface provided with the dye layer 2 of the sheet 1 to transfer the dye of the thermal transfer sheet 3 to the receiving surface 5 of the receiving material 4 to perform recording. In this case, the thermal transfer sheet is irradiated with light immediately before applying heat energy.

3. 发明专利

JP2000309172A THERMAL TRANSFER RECORDING MATERIAL 失效
公开(公告)号：JP2000309172A
公开(公告)日：2000-11-07
申请号：JP11996199
申请日：1999-04-27
申请人： DAINIPPON PRINTING CO LTD
发明人： HANMURA MASAHIRO , TAKAO SHINO , TAMURA YOSHIHIKO , TAKADA TAKESHI , HARADA NOBUYUKI
IPC分类号： B41M5/382 , B41M5/385 , B41M5/388 , B41M5/39 , B41M5/395 , B41M5/50 , B41M5/52 , B41M5/38
摘要： PROBLEM TO BE SOLVED: To ensure a sufficient printing density corresponding with a high speed printing, and increase the quantity, by making a yellow dye layer of a dye layer contain polyvinyl acetal, and respectively specified quinophthalone based coloring matter and dicyanostyryl coloring matter, and also, making a receiving layer contain a styrene based homopolymer. SOLUTION: A receiving layer to which a dye is transferred in a dye layer is made to contain a styrene based homopolymer. Then, a yellow dye layer of the dye layer is made to contain polyvinyl acetal, a quinophthalone based coloring matter and a discyanostyryl coloring matter which are respectively represented by respective formulas I and II. In this case, in the formula I, R1-R5 each represent a hydrogen atom, a halogen atom, an alkyl group of C1-C8, a cycloalkyl group, and an alkoxy group or the like, and R6, R7 each represent a hydrogen atom, and a alkyl group or the like. Also, in the formula II, R1 represents an allyl group or the like, R2 represents a substituted or unsubstituted alkyl group or the like, A represents -CH2- or the like, and R3 represents an alkyl group.

4. 发明专利

JP2000280637A THERMAL TRANSFER RECORDING MATERIAL 失效
公开(公告)号：JP2000280637A
公开(公告)日：2000-10-10
申请号：JP9449799
申请日：1999-04-01
申请人： DAINIPPON PRINTING CO LTD
发明人： HANMURA MASAHIRO , TAKAO SHINO , TAMURA YOSHIHIKO , TAKADA TAKESHI , HARADA NOBUYUKI
IPC分类号： B41M5/382 , B41M5/385 , B41M5/388 , B41M5/39 , B41M5/395 , B41M5/50 , B41M5/52 , B41M5/38
摘要： PROBLEM TO BE SOLVED: To obtain a sufficient printing density and to eliminate a dye transfer during storage by incorporating a copolymer of a styrene monomer and an acrylonitrile in a receptive layer and at least one type of a polyvinylacetal, specific quinophthalon pigment and/or a specific dicyanostyryl pigment in a yellow dye layer. SOLUTION: A copolymer of a styrene monomer and an acrylonitrile is contained in a receptive layer. An at least one type of a quinophthalon pigment represented by the formula I (wherein R1 to R5 are each independently a hydrogen atom, a halogen atom, 1-8C alkyl group or the like and R6, R7, are each independently a hydrogen atom, an alkyl group or the like) and/or a dicyanostyryl pigment represented by the formula II (wherein R1 is an allyl group, an alkyl group, R2 is a substituted or unsubstituted alkyl group, an aryl group, and A is -CH2-, -CH2CH2-, and R3 is an alkyl group) of 30 wt.% or above of the entire pigments is contained in a yellow dye layer.

5. 发明专利

JP2000218947A THERMAL TRANSFER IMAGE RECEIVING SHEET 失效
公开(公告)号：JP2000218947A
公开(公告)日：2000-08-08
申请号：JP2405499
申请日：1999-02-01
申请人： DAINIPPON PRINTING CO LTD
发明人： TAMURA YOSHIHIKO , TAKAO SHINO , TAKADA TAKESHI , HANMURA MASAHIRO
IPC分类号： B41M5/382 , B32B27/00 , B32B27/30 , B41M5/50 , B41M5/52 , B41M5/38
摘要： PROBLEM TO BE SOLVED: To provide a thermal transfer image receiving sheet dealing with an acceleration of a thermal transfer printing speed by a sublimation thermal transfer recording method and having high recording sensitivity, sufficient printing density, high image clarity, various type durability of a recorded image, preservation stability and particularly excellent light resistance. SOLUTION: A styrene homopolymer is used for a receptive layer. As a plasticizer having excellent compatibility with resin and high plasticizing effect, a phosphoric acid ester compound or a phthalic acid ester compound is used. They are used to allow high color developing density and light resistance to be compatible. As a plasticizer having slightly lower compatibility than that of the previous plasticizer and less plasticizing effect than that of the previous plasticizer, an aliphatic dibasic acid ester compound is used, but this has an effect of alleviating its heat fusion bondability of the receptive layer resin to a dye layer resin. The plasticizer is used together to perform an effect of releasing assistant. When the two types or more of the plasticizers are used, aging bleeding-out of the plasticizer scarcely occurs, and it is an effective means to enhance preservability of an image receiving sheet.

6. 发明专利

JP2001071650A THERMAL TRANSFER RECORDING MATERIAL 失效
公开(公告)号：JP2001071650A
公开(公告)日：2001-03-21
申请号：JP25250699
申请日：1999-09-07
申请人： DAINIPPON PRINTING CO LTD
发明人： TAKADA TAKESHI , TAKAO SHINO , TAMURA YOSHIHIKO , HANMURA MASAHIRO , HARADA NOBUYUKI
IPC分类号： B32B27/36 , B41M5/382 , B41M5/385 , B41M5/388 , B41M5/39 , B41M5/40 , B41M5/50 , B41M5/52 , B41M5/38
摘要： PROBLEM TO BE SOLVED: To ensure a sufficient printing density coping with a high speed printing, and at the same time, prevent staining due to a transfer and the retransfer of a dye from occurring by adding a cellulose ester and quinophthalone-based coloring matter or the like in the yellow layer of a dye layer, and at the same time, adding an aromatic polycarbonate resin in the receiving layer. SOLUTION: For this thermal transfer recording material, the dye layer of a thermal transfer sheet and the receiving layer of a thermal transfer image- receiving sheet are superposed, and a dye in the dye layer is transferred to the receiving layer by a heating means. In this case, an aromatic polycarbonate resin is contained in the receiving layer. In the meantime, a cellulose ester, and at least one kind selected from a quinophthalone-based coloring matter represented by formula (1), and a dicyanostyryl-based coloring matter represented by formula (2) is contained. In this case, in formula (1), R1 to R5 and R6, R7 each independently represent various kinds of groups, which can be selected. Also, in formula (2), R1 to R3 each represent various kinds of groups, and A represents -CH2- and others.

7. 发明专利

JP2000313173A THERMAL TRANSFER RECORDING MATERIAL 失效
公开(公告)号：JP2000313173A
公开(公告)日：2000-11-14
申请号：JP12336299
申请日：1999-04-30
申请人： DAINIPPON PRINTING CO LTD
发明人： HANMURA MASAHIRO , TAKAO SHINO , TAMURA YOSHIHIKO , TAKADA TAKESHI , HARADA NOBUYUKI
IPC分类号： B41M5/382 , B41M5/385 , B41M5/388 , B41M5/39 , B41M5/395 , B41M5/50 , B41M5/52 , B41M5/38
摘要： PROBLEM TO BE SOLVED: To print with high sensitivity by incorporating a styrene homopolymer in an acceptive layer provided on a base material, and forming a yellow dye layer of a dye layer so as to contain a cellulose ester, a specific quinophthalon dye and a dicyanostyryl pigment. SOLUTION: In the thermal transfer recording material comprising a thermal transfer sheet having a dye layer and a thermal transfer image receiving sheet having an acceptive layer, a yellow dye layer of a dye layer is formed to contain a cellulose ester, a quinophthalon dye represented by the formula I and/or a dicyanostyryl dye represented by the formula II. The acceptive layer is formed to contain a styrene homopolymer. In the formula I, R1 to R5 are each an alkyl group, a cycloalkyl group or the like, a R6, R7 are each an alkyl group, an alkoxyalkyl group or the like, and in the formula II, R1 is an allyl group, or an alkyl group, R1 is an alkyl group, or an aryl group, R3 is an alkyl group, and A is -CH2-, -CH2CH2- or the like.

8. 发明专利

JP2001030639A HEAT TRANSFER IMAGE RECEIVING SHEET 失效
公开(公告)号：JP2001030639A
公开(公告)日：2001-02-06
申请号：JP20718699
申请日：1999-07-22
申请人： DAINIPPON PRINTING CO LTD
发明人： TAKADA TAKESHI , TAKAO SHINO , TAMURA YOSHIHIKO , HANMURA MASAHIRO
IPC分类号： B41M5/382 , B41M5/50 , B41M5/52 , C09D161/04 , B41M5/38
摘要： PROBLEM TO BE SOLVED: To provide a heat transfer image receiving sheet, capable of forming an image having a high dye dying property through high-speed printing and provided with a sufficient separating property without being welded to a heat transfer sheet through thermal fusion upon forming the image. SOLUTION: A receptive layer is formed on at least one surface of a substrate sheet and at least phenoxy resin and more than one of plasticizers are contained in the receptive layer whereby recording sensitivity is improved nd an image, high in dying property, can be obtained through high-speed printing since the phenoxy resin is provided with a high compatibility with respect to the plasticizer. Further, at least one of parting agent is contained in the receptive layer whereby a heat transfer image receiving sheet will not adhere to the heat transfer sheet through thermal fusion welding upon forming the image. Further, a protective layer is transferred on an imaging part in order to improve the resistance to light and fingerprint of a printed matter while a parting agent is added so as to eliminated troubles in bonding to the protective layer whereby the printed matter, having excellent separating performance upon heat transferring through a heat transfer sheet and having no oozing due to the plasticizer, can be obtained.

9. 发明专利

JP2000071631A DYE WITH PROTECTING GROUP AND THERMAL TRANSFER MATERIAL USING IT 失效
公开(公告)号：JP2000071631A
公开(公告)日：2000-03-07
申请号：JP24713698
申请日：1998-09-01
申请人： DAINIPPON PRINTING CO LTD
发明人： FURUKAWA MINORU , HANMURA MASAHIRO , EGUCHI HIROSHI
IPC分类号： B41M5/382 , B41M5/385 , B41M5/388 , B41M5/39 , B41M5/392 , B41M5/50 , B41M5/52 , B41M5/38
摘要： PROBLEM TO BE SOLVED: To provide a dye for retaining no protecting group on an image receiving material by returning the dye to the dye itself having no protecting group after transferring in the dye having the group adapted to use for the material having high sensitivity and excellent image durability. SOLUTION: In the dye comprising a hydroxyl group and a protecting group obtained by substituting the hydroxyl group of at least part of the dye for the protecting group, the protecting group can become a volatile substance by leaving the protecting group from the dye, and the part in which the protecting group of the dye is left can be bonded with a hydroxyl group.

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