Protective layer transfer sheet and an image forming method employing it
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B41M-005/035
B41M-005/38
출원번호
US-0945047
(2004-09-20)
우선권정보
JP-2003-337289(2003-09-29)
발명자
/ 주소
Watanabe,Hiroshi
Yamagishi,Hiroaki
Koyama,Hirokazu
Nakane,Hiroki
출원인 / 주소
Konica Minolta Photo Imaging, Inc.
대리인 / 주소
Lucas &
인용정보
피인용 횟수 :
3인용 특허 :
1
초록▼
Disclosed is a protective layer transfer sheet for forming an image by the method which comprising the steps of overlaying a thermal transfer image receiving sheet and a thermal transfer recording ink sheet, forming an image on the thermal diffusible dye receiving layer by heating, and forming a pro
Disclosed is a protective layer transfer sheet for forming an image by the method which comprising the steps of overlaying a thermal transfer image receiving sheet and a thermal transfer recording ink sheet, forming an image on the thermal diffusible dye receiving layer by heating, and forming a protective layer on the image by transferring the thermal transferable protective layer unit by heating, in which the thermal transferable protective layer unit is constituted by plural transferable resin layers and at least one of the resin layers contains a metal ion-containing compound and a layer other than the resin layer containing the metal ion-containing compound contains a UV absorbent, and a barrier layer is arranged between the metal ion-containing layer and the UV absorbent containing layer.
대표청구항▼
The invention claimed is: 1. A protective layer transfer sheet comprising a transferable image protective layer unit on a support for forming a protective layer by thermally transferring on an image which is formed by method comprising the steps of; overlaying a thermal transfer image receiving she
The invention claimed is: 1. A protective layer transfer sheet comprising a transferable image protective layer unit on a support for forming a protective layer by thermally transferring on an image which is formed by method comprising the steps of; overlaying a thermal transfer image receiving sheet having a thermal diffusible dye receiving layer on an support and a thermal transfer recording ink sheet having an ink layer containing a thermal diffusible dye capable of forming a chelate complex with a compound containing a metal ion, and heating the thermal transfer image receiving sheet and the thermal transfer recording ink sheet according to signals to be recorded to form an image in the diffusible dye receiving layer, wherein the transferable image protective layer unit comprises plural transferable resin layers, in which at least one of the resin layers contains the metal ion-containing compound, a resin layer other than the resin layer containing the metal ion-containing compound contains a UV absorbent, and a barrier resin layer is provided between the resin layer containing the metal ion-containing compound and the resin layer containing the UV absorbent. 2. The protective layer transfer sheet of claim 1, wherein the UV absorbent is an inorganic oxide having UV absorbing ability. 3. The protective layer transfer sheet of claim 2, wherein the inorganic oxide having UV absorbing ability is powder of titanium oxide or zinc oxide each having an average diameter of not more than 200 nm. 4. The protective layer transfer sheet of claim 1, wherein the UV absorbent is a UV absorbing resin. 5. The protective layer transfer sheet of claim 4, wherein a molecular weight of the UV absorbing resin is 5,000 to 250,000. 6. The protective layer transfer sheet of claim 1, wherein the ink layer of the thermal transfer recording ink sheet and the transferable image protective layer unit are provided on the same support separately. 7. The protective layer transfer sheet of claim 1, wherein the transferable image protective layer unit is provided on the support other than the support of the thermal transfer recording ink sheet. 8. The protective layer transfer sheet claim 1, wherein the transferable image protective layer unit comprises a parting layer. 9. The protective layer transfer sheet of claim 1, wherein the transferable image protective layer unit comprises an adhering layer. 10. The protective layer transfer sheet of claim 1, wherein a thickness of the barrier layer is from 1.0 to 10 μm. 11. An image forming method comprising the steps of overlaying a thermal transfer image receiving sheet having a thermal diffusible dye receiving layer on an support and a thermal transfer recording ink sheet having an ink layer containing a thermal diffusible dye capable of forming a chelate complex with a compound containing a metal ion, heating the thermal transfer image receiving sheet and the thermal transfer recording ink sheet according to signals to be recorded to form an image in the diffusible dye receiving layer, and forming a protective layer by thermal transfer employing a protective layer transfer sheet, wherein the protective layer transfer sheet comprises a support having thereon a transferable image protective layer unit, in which the transferable image protective layer unit comprises plural transferable resin layers, at least one of the resin layers contains the metal ion-containing compound, a resin layer other than the resin layer containing the metal ion-containing compound contains a UV absorbent, and a barrier resin layer is provided between the resin layer containing the metal ion-containing compound and the resin layer containing the UV absorbent. 12. The image forming method of claim 11, wherein the UV absorbent is an inorganic oxide having UV absorbing ability. 13. The image forming method of claim 12, wherein the inorganic oxide having UV absorbing ability is powder of titanium oxide or zinc oxide each having an average diameter of not more than 200 nm. 14. The image forming method of claim 11, wherein the UV absorbent is a UV absorbing resin. 15. The image forming method of claim 14, wherein a molecular weight of the UV absorbing resin is 5,000 to 250,000. 16. The image forming method of claim 11, wherein the ink layer of the thermal transfer recording ink sheet and the transferable image protective layer unit are provided on the same support separately. 17. The image forming method of claim 11, wherein the transferable image protective layer unit is provided on the support other than the support of the thermal transfer recording ink sheet. 18. The image forming method of claim 11, wherein the transferable image protective layer unit comprises a parting layer. 19. The image forming method of claim 11, wherein the transferable image protective layer unit comprises an adhering layer. 20. The image forming method of claim 11, wherein a thickness of the barrier layer is from 1.0 to 10 μm.
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