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1. 发明专利

JPH07138538A THERMALLY PEELABLE FILM AND PEELING METHOD 失效
公开(公告)号：JPH07138538A
公开(公告)日：1995-05-30
申请号：JP30715593
申请日：1993-11-12
申请人： DAICEL CHEM
发明人： OKA TOSHIO
IPC分类号： B32B7/06 , C09J5/00 , C09J5/06 , C09J7/00
摘要： PURPOSE:To bond adherends to each other at a high bonding strength using an adhesive film and to peel apart the adherends easily and selectively by heating. CONSTITUTION:A film, comprising a plurality of layers, has the one side consisting of an adhesive polymer layer contg. a thermally adhesive resin, etc., and the other side consisting of a thermally peelable layer contg. the thermally adhesive resin and thermally expandable microcapsules having an expansion temp. at least 10 deg.C higher than the m.p. of the thermally adhesive resin. When a structure comprising the film, the first adherend bonded to the adhesive polymer layer, and the second adherend bonded to the thermally peelable layer is heated to the expansion temp. of the microcapsule or higher, the second adherend can be peeled from the thermally peelable layer.

2. 发明专利

JPS63220138A PHOTOSENSITIVE RESIN COMPOSITION FOR SCREEN PLATE MAKING 失效
公开(公告)号：JPS63220138A
公开(公告)日：1988-09-13
申请号：JP5366787
申请日：1987-03-09
申请人： DAICEL CHEM
发明人： OKA TOSHIO , TOYA KOJI
IPC分类号： G03F7/038 , G03F7/12
摘要： PURPOSE:To obtain good resolving power which permits confirmation of a latent image at the time of exposing by using a film formable high-polymer compd., one photocrosslinkable PVA selected from a specific group and photosensitive compd. having good stability with age, halation preventive capacity and latent image formability as essential components. CONSTITUTION:This photosensitive resin compsn. for screen plate making consists essentially of the film formable high-polymer compd., at least one photocrosslinkable PVA selected from the group consisting of formulas I-III, and the photosensitive compd. having the good stability with age, halation preventive capacity and latent image formability. In formula I, A is expressed by formula IV or V; (m) denotes 0 or 1; (n) denotes 1-6 integer. In formulas II, III, B denotes an arom. or heterocyclic group having at least one polar group. The good resolving power is thereby obtd. without impairing the high sensitivity and the good stability with age.

3. 发明专利

JPS6324241A TWO-COMPONENT DIAZO COPYING MATERIAL 失效
公开(公告)号：JPS6324241A
公开(公告)日：1988-02-01
申请号：JP16764286
申请日：1986-07-16
申请人： DAICEL CHEM
发明人： OKA TOSHIO
IPC分类号： G03C1/58
摘要： PURPOSE:To form a diazo copying material developing a blue color, ensuring superior light fastness for the image part of the film after development and hardly undergoing a rise of base density by oxidation with the lapse of time by combining a diazo compound with a specified compound. CONSTITUTION:A diazo compound and at least one kind of compound represented by formula I (where each of R1 and R2 is 1-5C alkyl) as a coupling component are held on a support. The coupling component attains satisfactory blue color development in combination with the diazo compound. The resulting two-component diazo copying material ensures superior light fastness for the image part of the film after development and hardly undergoes a rise of base density by oxidation with the lapse of time. 2-Naphthol-3-carboxylic acid-5'- chloro-2',4'-dimethoxyanilide is a concrete example of the compound represented by the formula I.

4. 发明专利

JPH07137428A IMAGE TRANSFER SHEET 失效
公开(公告)号：JPH07137428A
公开(公告)日：1995-05-30
申请号：JP30715793
申请日：1993-11-12
申请人： DAICEL CHEM
发明人： OKAMOTO TERUFUMI , OMURO KAZUYOSHI , OKA TOSHIO
IPC分类号： G03G7/00 , B41M3/12
摘要： PURPOSE:To obtain an image transfer sheet ensuring the transfer of an image part to a transfer medium while suppressing the transfer of a non-image part of a thermally adhesive layer and realizing an image of a good feel. CONSTITUTION:An image transfer sheet consists of a support layer and a thermally adhesive layer releasable from the support layer. The thermally adhesive layer contains a polymer having a melting point of 60-130 deg.C, a melting viscosity of 5X10 poise or more at 110 deg.C, and a melting viscosity of 9X10 poise or less at 130 deg.C. The support layer is the order of 50mum or more in thickness. The thermally adhesive layer is the order of 70mum or less in thickness. The total thickness of the sheet is the order of 60-200mum. As the support layer, paper, synthetic paper, or the like is used. The polymer forming the thermally adhesive layer is a thermoplastic polyurethane, a polyamide, a polyester, a modified polyolefin, or the like.

5. 发明专利

JPH07137427A IMAGE TRANSFER SHEET 失效
公开(公告)号：JPH07137427A
公开(公告)日：1995-05-30
申请号：JP30715693
申请日：1993-11-12
申请人： DAICEL CHEM
发明人： OKAMOTO TERUFUMI , OMURO KAZUYOSHI , OKA TOSHIO
IPC分类号： G03G7/00 , B41M3/12
摘要： PURPOSE:To obtain an image transfer sheet having superior running properties through a copying machine and realizing an image of a good feel. CONSTITUTION:An image transfer sheet consists of at least three layers, i.e., a support layer, a release layer, and a thermally adhesive layer. The support layer is 5mum or more in thickness. The thermally adhesive layer is 60mum or less in thickness. l''he total thickness of the sheet is 60-200mum. As the support layer, paper, synthetic paper, or the like is used. The release layer is made of a polyethylene or other resin having a small interfacial tension, a releasant, such as a silicone resin, or the like. The thermally adhesive layer contains a thermoplastic polyurethane, a polyamide, a polyester, a modified polyolefin, or the like as a main component.

6. 发明专利

JPS62247352A BLACK COLOR DEVELOPING DIAZO COPYING MATERIAL 失效
公开(公告)号：JPS62247352A
公开(公告)日：1987-10-28
申请号：JP8705986
申请日：1986-04-17
申请人： DAICEL CHEM
发明人： OKA TOSHIO
IPC分类号： G03C1/58 , G03C1/61
摘要： PURPOSE:To improve the aging stability and light fastness by holding a diazo compound, a blue coupling component and a specified compound on a support. CONSTITUTION:A diazo compound, a blue coupling component and at least one kind of compound represented by formula I (where R is 4-20C alkyl) are held on a support. The compound represented by the formula I may be n-butyl-1- hydroxy-2-naphthylamide or tert-butyl-1-hydroxy-2-naphthylamide. A naphthol AS deriv. is preferably used as the blue coupling component. The diazo compound used is required only to develop a blue color by combination with the blue coupling component and it may be 4-dimethylaminobenzenediazonium or 4-diethylaminobenzenediazonium.

7. 发明专利

JPH0549209B2 失效
公开(公告)号：JPH0549209B2
公开(公告)日：1993-07-23
申请号：JP8705986
申请日：1986-04-17
申请人： DAICEL CHEM
发明人： OKA TOSHIO
IPC分类号： G03C1/58 , G03C1/61

8. 发明专利

JPS62249142A DIAZO COPYING MATERIAL 失效
公开(公告)号：JPS62249142A
公开(公告)日：1987-10-30
申请号：JP9310586
申请日：1986-04-22
申请人： DAICEL CHEM
发明人： OKA TOSHIO , NOZU KAZUO
IPC分类号： G03C1/61
摘要： PURPOSE:To obtain the titled material having an improved raw shelf-life and less tendency for bleeding a component by incorporating a specific alkylbenzenesulfonic acid to a photosensitive layer as a stabilizer. CONSTITUTION:The photosensitive layer composed of a diazo compd. and a coupling component as a main component is mounted on a substrate. The photosensitive layer comprises the compd. shown by the formula. In the formula, R is 4-20C alkyl group, the compd. shown by the formula is exemplified by for example, n-butylbenzenesulfonic acid, tert-butylbenzenesulfonic acid, hexylbenzenesulfonic acid and dodecylbenzenesulfonic acid. Thus, the deterioration of image due to a lapse of time in the unexposed copying material is lessened, and the bleeding of the component to the surface of the titled material can be prevented.

9. 发明专利

JPH0549210B2 失效
公开(公告)号：JPH0549210B2
公开(公告)日：1993-07-23
申请号：JP9310586
申请日：1986-04-22
申请人： DAICEL CHEM
发明人： OKA TOSHIO , NOZU KAZUO
IPC分类号： G03C1/61

10. 发明专利

JPS62134643A TWO COMPONENT TYPE DIAZO COPYING MATERIAL 失效
公开(公告)号：JPS62134643A
公开(公告)日：1987-06-17
申请号：JP27572385
申请日：1985-12-06
申请人： DAICEL CHEM
发明人： OKA TOSHIO
IPC分类号： G03C1/58
摘要： PURPOSE:To prevent the lowering of density with the lapse of time and to obtain high image density by using a specified compound as the coupling component of a two component type diazo copying material having a photosensitive layer contg. a diazo compound and the coupling component as the principal components on the support. CONSTITUTION:At least one kind of compound represented by the formula (where R is 4-20C alkyl) is used as the coupling component of a two component type diazo copying material having a photosensitive layer contg. a diazo compound and the coupling component as the principal components on the support. The compound represented by the formula may be t-butyl-1-hydroxy-2- naphthylamide, dodecyl-1-hydroxy-2-naphthylamide or eicosyl-1-hydroxy-2- naphthylamide. The preferred molar ratio between the coupling component and the diazo compound is 1:(0.1-10), especially 1:(0.5-3).

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