公开(公告)号：DE3338489A1

公开(公告)日：1984-05-03

申请号：DE3338489

申请日：1983-10-22

Applicant: BASF AG

Inventor： BRONSTERT BERND DR ,  ZUERGER MANFRED ,  FLOHR JOACHIM ,  KRIEGER HEINRICH ,  ZETTLER HANS DIETER ,  BLECKMANN GERHARD ,  SCHLEMMER LOTHAR ,  TAUBITZ CHRISTOF DR ,  VYVIAL RUDOLF ,  WERTHER HEINZ-ULRICH DR

IPC: G03F7/037 ,  G03F7/16 ,  G03C1/68 ,  G03F7/10

Abstract: In a process for producing light-sensitive polyamide layers which are suitable for producing photopolymeric printing forms or relief forms, a polyamide soluble or dispersible in the solvent, a photopolymerisable, low-molecular, ethylenically unsaturated compound, a photopolymerisation initiator and, if appropriate, further conventional additives are homogeneously mixed with one another, and the homogeneous mixture is, if necessary, freed of interfering volatile constituents by degassing and then formed to give the light-sensitive layer. According to the invention, the photopolymerisable mixture is, before forming to give the light-sensitive layer, heated largely with exclusion of oxygen and with simultaneous movement or further mixing in the melt for a period of 5 seconds to about 10 minutes to a temperature which is 20 to 80 DEG C above the softening point of the mixture.

公开(公告)号：CH637412A5

公开(公告)日：1983-07-29

申请号：CH489678

申请日：1978-05-05

Applicant: BASF AG

Inventor： HOFFMANN GERHARD DR ,  KLEUSER DIETER DR ,  BRONSTERT BERND DR

IPC: G03C1/00 ,  C08F2/00 ,  C08F2/50 ,  G03F7/004 ,  G03F7/031 ,  C08L87/00 ,  C08F283/00 ,  G03F1/02 ,  G03C1/68

公开(公告)号：DE58905931D1

公开(公告)日：1993-11-25

申请号：DE58905931

申请日：1989-03-08

Applicant: BASF AG

Inventor： HUEMMER WOLFGANG DR ,  BRONSTERT BERND DR ,  LITTMANN DIETER DR ,  ZUERGER MANFRED

IPC: G03F7/027 ,  C08F2/50 ,  G03F7/00 ,  G03F7/095 ,  G03F7/11

公开(公告)号：DE4203546A1

公开(公告)日：1993-08-12

申请号：DE4203546

申请日：1992-02-07

Applicant: BASF AG

Inventor： JAEGER ULRICH DR ,  BECK ERICH DR ,  REICH WOLFGANG DR ,  BRONSTERT BERND DR ,  HUEMMER WOLFGANG DR

IPC: C08F299/06 ,  C08G18/08 ,  C08G18/38 ,  C08G18/67 ,  C08G18/78 ,  C08G18/79 ,  C08J3/03 ,  C09D175/14

公开(公告)号：DE3380601D1

公开(公告)日：1989-10-26

申请号：DE3380601

申请日：1983-12-20

Applicant: BASF AG

Inventor： BRONSTERT BERND DR ,  HOFFMANN GERHARD DR ,  LYNCH JOHN DR

IPC: G03C1/72 ,  G03F7/004 ,  G03F7/031 ,  G03F7/105 ,  G03F7/26 ,  G03F7/02

Abstract: Relief plates and printing plates are produced by a positive-working process, using a photopolymerizable layer which contains one or more photopolymerizable, olefinically unsaturated compounds, one or more photoinitiators which can be activated by UV light, and a combination of a phenothiazinium, phenoxazinium, phenazinium or acridinium dye with a mild reducing agent which, on exposure to visible light, is capable of reducing the dye in the excited electronic state. The photopolymerizable layer is exposed imagewise to light having a wavelength longer than 450 nm, and simultaneously or subsequently exposed uniformly to light having a wavelength of from 300 to 420 nm, after which the unpolymerized areas of the layer are removed.

公开(公告)号：DE3808952A1

公开(公告)日：1989-10-05

申请号：DE3808952

申请日：1988-03-17

Applicant: BASF AG

Inventor： HUEMMER WOLFGANG DR ,  BRONSTERT BERND DR ,  LITTMANN DIETER DR ,  ZUERGER MANFRED

IPC: G03F7/027 ,  C08F2/50 ,  G03F7/00 ,  G03F7/095 ,  G03F7/11

公开(公告)号：DE3719844A1

公开(公告)日：1988-12-29

申请号：DE3719844

申请日：1987-06-13

Applicant: BASF AG

Inventor： BRONSTERT BERND DR ,  ZUERGER MANFRED

IPC: C08F2/44 ,  C08F2/48 ,  C08F2/50 ,  C08K5/07 ,  C08K5/09 ,  C08K5/10 ,  C08K5/101 ,  C08L29/04 ,  G03C1/00 ,  G03C1/73 ,  G03F7/004 ,  G03F7/027 ,  G03F7/032 ,  G03F7/033 ,  C08F16/06 ,  C08F261/04 ,  C09D3/74 ,  G03F7/10 ,  G03C1/68

Abstract: A mixture which is crosslinkable by photopolymerisation, is soluble or dispersible in aqueous media and is based on hydroxyl- and/or amido-containing polymers as binders, photopolymerisable monomers which are compatible therewith and photopolymerisation initiators and which contains, based on its total amount, from 0.1 to 10% by weight of an aldehyde of the formula I in which R is a hydrogen atom, a hydroxyl group or a C1-C6-alkyl, C1-C6-alkoxy, C6-C10-aryl or C6-C10-aryloxy radical, can be used in multilayer photosensitive recording materials which can be developed using aqueous media and contain at least one layer of a mixture of this type.

公开(公告)号：DE3633436A1

公开(公告)日：1988-04-14

申请号：DE3633436

申请日：1986-10-01

Applicant: BASF AG

Inventor： BOETTCHER ANDREAS DR ,  BRONSTERT BERND DR ,  HOFFMANN GERHARD DR

IPC: C08F2/48 ,  C08F2/50 ,  G03F7/027 ,  G03F7/029 ,  G03F7/032 ,  G03C1/68 ,  G03F7/10

Abstract: Novel photopolymerizable recording materials, in particular for the production of printing plates and relief plates, can be developed with water or an aqueous alkaline solution and predominantly consist of a photoinitiator-containing mixture of (a) one or more low molecular weight compounds having one or more photopolymerizable olefinically unsaturated double bonds and (b) one or more organic polymeric binders and contain a bisacylphosphine oxide as the photoinitiator. These recording materials are useful for the production of printing plates and relief plates.

公开(公告)号：DE3261262D1

公开(公告)日：1985-01-03

申请号：DE3261262

申请日：1982-03-31

Applicant: BASF AG

Inventor： HENNE ANDREAS DR ,  HESSE ANTON DR ,  JACOBI MANFRED DR ,  WALLBILLICH GUENTER DR ,  BRONSTERT BERND DR

IPC: C08K5/00 ,  C07F9/30 ,  C07F9/36 ,  C07F9/38 ,  C07F9/40 ,  C07F9/58 ,  C08F2/00 ,  C08F2/48 ,  C08F2/50 ,  C08K5/49 ,  C08K5/51 ,  C08K5/53 ,  C08K5/5313 ,  C08K5/5398 ,  C08L33/00 ,  C08L33/02 ,  C08L67/00 ,  G03F1/88 ,  G03F7/029 ,  G03C1/68 ,  G03F1/02

Abstract: Acylphosphine compounds of the formula I where X is oxygen, sulfur or an electron pair, R1 is R4 or OR4, R2 is -OM, where M is a monovalent cation, R3 is aryl which is substituted at least at the two positions ortho to the carbonyl group, and R4 is hydrogen, alkyl or aryl, are very effective photoinitiators for photopolymerizable materials, such as coating compositions, finishes, printing inks, unsaturated polyesters, recording media and preferably aqueous polymer dispersions or solutions.

公开(公告)号：DE3248246A1

公开(公告)日：1984-06-28

申请号：DE3248246

申请日：1982-12-28

Applicant: BASF AG

Inventor： BRONSTERT BERND DR ,  HOFFMANN GERHARD DR ,  LYNCH JOHN DR

IPC: G03C1/72 ,  G03F7/004 ,  G03F7/031 ,  G03F7/105 ,  G03F7/26 ,  G03F7/10

Abstract: Relief plates and printing plates are produced by a positive-working process, using a photopolymerizable layer which contains one or more photopolymerizable, olefinically unsaturated compounds, one or more photoinitiators which can be activated by UV light, and a combination of a phenothiazinium, phenoxazinium, phenazinium or acridinium dye with a mild reducing agent which, on exposure to visible light, is capable of reducing the dye in the excited electronic state. The photopolymerizable layer is exposed imagewise to light having a wavelength longer than 450 nm, and simultaneously or subsequently exposed uniformly to light having a wavelength of from 300 to 420 nm, after which the unpolymerized areas of the layer are removed.