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    MAKING OF RELIEF PRINTING PLATE
    1.
    发明专利
    MAKING OF RELIEF PRINTING PLATE 失效

    公开(公告)号：JPH027056A

    公开(公告)日：1990-01-11

    申请号：JP25743888

    申请日：1988-10-14

    Applicant: BASF AG

    Inventor： TOOMASU TERUZAA ,  HORUSUTO KOTSUHO ,  KAARUURUDORUFU KURUTSU ,  HERUMUUTO BATSUHA ,  HAINTSUUURURITSUHI BUERUTAA

    IPC: G03F7/00 ,  G03F7/32

    Abstract: PURPOSE: To shorten the relief developing time, to relieve the toxicity of solvent and to reduce malodor by using a hydrogenated petroleum fraction having a specified flash point and b.p. range as the solvent. CONSTITUTION: A picture is exposed in a layer cross-linkable by photopolymerization (e.g. a layer contg. styrene-isoprene-styrene/butadiene as a binder) by using active rays, the part of the unexposed part which is not cross-linked is washed out with a hydrocarbonic solvent A or a mixture of the solvent A and an alcohol B. A hydrogenated petroleum fraction having >=45 deg.C flash point and 160-220 deg.C b.p. is used as the solvent A. The aromatic content according to DIN 51378 of the fraction is preferably controlled to

    MANUFACTURE OF MULTI-LAYER PLANAR PHOTOSENSITIVE RECORDING MATERIAL AND PHOTOPOLYMERIZED PRINTING PLATE OR RELIEF PLATE AND PHOTORESIST
    7.
    发明专利
    MANUFACTURE OF MULTI-LAYER PLANAR PHOTOSENSITIVE RECORDING MATERIAL AND PHOTOPOLYMERIZED PRINTING PLATE OR RELIEF PLATE AND PHOTORESIST 失效

    公开(公告)号：JPH01154138A

    公开(公告)日：1989-06-16

    申请号：JP27337888

    申请日：1988-10-31

    Applicant: BASF AG

    Inventor： KAARUURUDORUFU KURUTSU ,  HORUSUTO KOTSUHO ,  TOOMASU TERUZAA ,  HERUMUUTO BATSUHA

    IPC: G03F7/004 ,  G03F7/00 ,  G03F7/09 ,  G03F7/11

    Abstract: PURPOSE: To obtain a novel multilayered flat planar photosensitive recording material suitable for forming a relief plate by incorporating specific ratios of compds of a group of specific third amine and third amide into a coating layer. CONSTITUTION: The recording material is formed by incorporating 1 to 20wt.% compd. from the third amine and third amide expressed by formula I by the total weight of the coating layer into the coating layer. In the formula I, R denotes 12 to 16C alkyl group, 18C alkenyl group 12, to 18C alkane carbonyl group or 18C alkene carbonyl group; n denotes an integer of 1 to 15; m denotes an integer of 1 to 15. As a result, the coating of a photosensitive relief forming layer with the light transparent coating layer having a uniform thickness is made possible. The exposure of the relief forming layer according to its image is not impaired and further, the sepn of the exposed relief forming layer from the relief layer photopolymerized at the time of development is made possible.

    CONTINUOUS METHOD FOR PRODUCING PHOTOSENSITIVE RECORDING ELEMENT
    9.
    发明专利
    CONTINUOUS METHOD FOR PRODUCING PHOTOSENSITIVE RECORDING ELEMENT 失效

    公开(公告)号：JPH02154258A

    公开(公告)日：1990-06-13

    申请号：JP25800289

    申请日：1989-10-04

    Applicant: BASF AG

    Inventor： HORUSUTO KOTSUHO ,  KAARUURUDORUFU KURUTSU ,  TOOMASU TERUZAA ,  MANFUREETO TSUYURUGAA

    IPC: G03F7/004 ,  B05D3/06 ,  G03F7/00 ,  G03F7/16

    Abstract: PURPOSE: To obtain a photosensitive recording element fit for relief printing by separately melting mixtures each used for producing a single layer, gathering the resultant flows of melts before feeding into the gap in a calender, introducing them into the gap as a lapped molten flat formed body an carrying out rolling. CONSTITUTION: Mixture composed of a single layer contains a polymer having olefinic unsatd. groups as a binder, a photopolymn. initiator and one or more kinds of olefinic unsatd. compds. (monomers) compatible with the binder. The mixture is melted and the resultant flows of melts are gathered and introduced into the gap is calender as a lapped molten flat formed body. In this case, the pref. time from the gathering to the introduction is 10sec to 5min, especially 30sec to 3min. Layers are bonded by rolling with high bonding strength and the thickness is precisely regulated to the desired value.

    FLAT PHOTOSENSITIVE RECORDING MATERIAL
    10.
    发明专利
    FLAT PHOTOSENSITIVE RECORDING MATERIAL 失效

    公开(公告)号：JPH024256A

    公开(公告)日：1990-01-09

    申请号：JP2594789

    申请日：1989-02-06

    Applicant: BASF AG

    Inventor： KAARUURUDORUFU KURUTSU ,  HORUSUTO KOTSUHO ,  TOOMASU TERUZAA ,  MANFUREETO TSUYURUGAA

    IPC: G03F7/004 ,  C08F2/50 ,  G03F7/00 ,  G03F7/027 ,  G03F7/028 ,  G03F7/033

    Abstract: PURPOSE: To obtain a method for fine and precise exposure and development in a short time by forming a photopolymerizable relief-forming layer having a specified structure. CONSTITUTION: A photopolymerizable relief forming layer (A) contains at least one kind of polymer binder selected from among ethylene/propyelen/alkadiene random ternary polymers having a double bond part having 2 to 20 double bonds per 1000 carbon atoms and 40-80wt.% ethylene content. The binder is included by 20 to 99.499wt.% of the layer (A). Moreover, the layer contains 0.001-10wt.% photopolymn. initiator, 0.5-50wt.% monomers and 0-40wt.% assistant to change the characteristics. The obtd. recording material enables fast exposure and gives an extremely large latitude for exposure. Thereby, a fine motif of an image mask or a negative original can accurately be reproduced.

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