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    • 1. 发明授权
    • Polymer ammonium salts
    • 聚合物铵盐
    • US4900795A
    • 1990-02-13
    • US200951
    • 1988-06-02
    • Gerhard HoffmannWolfgang HuemmerHorst KochDieter Littmann
    • Gerhard HoffmannWolfgang HuemmerHorst KochDieter Littmann
    • C08F8/00C08F2/48C08F8/44C08F290/00C08F299/00
    • C08F8/44
    • In polymer ammonium salts which are formed from a copolymer (A) which can be modified by a polymer-analogous reaction and from one or more amines (B), the copolymer (A) is obtainable by copolymerization of a monomer mixture of(a.sub.1) ethylene,(a.sub.2) acrylic acid and/or methacrylic acid, and(a.sub.3) one or more further monomers from the group consisting of the vinyl esters, vinyl ethers, acrylates, methacrylates, acrylamides and methacrylamides, and the amines (B) are selected from the group consisting of the(b.sub.1) cyclic amines of the general formula I ##STR1## and/or from the group consisting of the (b.sub.2) open-chain amines of the general formula II ##STR2## and/or from the group consisting of (b.sub.3) 1,4-thiazine, N,N',N"-trisvinylmelamine and N,N',N"-triallylmelamine, Z, R.sup.1, R.sup.2 and R.sup.3 having the meanings stated in the description.
    • 在由可通过聚合物 - 类似反应改性的共聚物(A)和一种或多种胺(B)形成的聚合物铵盐中,共聚物(A)可通过(a1)的单体混合物共聚获得, 乙烯,(a2)丙烯酸和/或甲基丙烯酸,和(a3)选自乙烯基酯,乙烯基醚,丙烯酸酯,甲基丙烯酸酯,丙烯酰胺和甲基丙烯酰胺和胺(B)的一种或多种其它单体 从由通式I的(b1)环胺和/或由通式II II的(b2)开链胺和/或由 由(b3)1,4-噻嗪,N,N',N“ - 三乙烯基三聚氰胺和N,N',N” - 三烯丙基三聚氰胺组成的组,Z,R 1,R 2和R 3具有说明书中所述的含义。
    • 2. 发明授权
    • Photosensitive recording materials having a novel graft copolymer binder
    • 具有新型接枝共聚物粘合剂的感光记录材料
    • US4849307A
    • 1989-07-18
    • US130216
    • 1987-12-08
    • Gerhard HoffmannHorst KochGuenther Schulz
    • Gerhard HoffmannHorst KochGuenther Schulz
    • G03F7/032C08G65/32G03F7/00G03F7/033
    • G03F7/033Y10S430/11
    • The invention relates to a novel photosensitive recording material which can be developed in aqueous solvents after its imagewise irradiation with actinic light and which consists essentially of a dimensionally stable base (A) and of a photosensitive recording layer (B). The said photosensitive recording layer (B) contains from about 48 to about 85% by weight, based on the photosensitive recording layer (B) of one or more elastomeric graft copolymers (B1) which are selected from the group consisting of polyalkylene oxide - vinyl ester - graft copolymers whose vinyl ester structural units have been hydrolyzed to a degree of not less 50 mol.-% from about 0.01 to about 10% by weight, based on the photosensitive recording layer (B), of one or more photoinitiators (B2), and from about 5 to about 30% by weight, based on the photosensitive recording layer (B), of one or more photopolymerizable monomers (B3). In addition to these components, the photosensitive recording layer (B) might contain further assistants or additives. The novel photosensitive recording material is especially well suited for the production of lithographic printing plates, resists and relief plates, in particular relief printing plates. The invention is furthermore related to a process for preparing the novel photosensitive recording material by polymerizing vinylesters in the presence of polyalkylene oxides to yield polyalkylene oxide - vinylester - graft copolymers, hydrolyzing or transesterifying said polyalkylene oxide - vinylester - graft copolymers to yield the said elastomeric graft copolymer (B1), mixing the said elastomeric graft copolymers (B1) with the other components of the photosensitive recording layer (B), and forming the said photosensitive recording layer (B) from the mixture consisting of its components on the dimensionally stable base (A).
    • 本发明涉及一种新颖的光敏记录材料,其可以在其光化学光照成像照射之后在水性溶剂中显影,并且其基本上由尺寸稳定的基底(A)和感光记录层(B)组成。 基于一种或多种弹性体接枝共聚物(B1)的感光记录层(B),所述感光记录层(B)含有约48至约85重量%,所述弹性体接枝共聚物(B1)选自聚环氧烷 - 乙烯基 酯基 - 接枝共聚物的乙烯基酯结构单元已经被水解至一个或多个光引发剂(B2)的基于感光记录层(B)的约0.01至约10重量%的不少于50摩尔%的程度 )和约5至约30重量%的基于感光记录层(B)的一种或多种可光聚合单体(B3)。 除了这些组分之外,光敏记录层(B)可能还含有助剂或添加剂。 新型光敏记录材料特别适用于制造平版印刷版,抗蚀剂和浮雕版,特别是凸版印刷版。 本发明还涉及通过在聚环氧烷存在下聚合乙烯基酯以制备新的感光记录材料的方法,以产生聚环氧烷 - 乙烯基酯 - 接枝共聚物,水解或酯交换所述聚环氧烷 - 乙烯基酯 - 接枝共聚物以产生所述弹性体 接枝共聚物(B1),将所述弹性体接枝共聚物(B1)与感光记录层(B)的其它组分混合,并从由其组分组成的混合物形成所述感光记录层(B) (一个)。
    • 4. 发明授权
    • Workbench, in particular for welding and structural steel work
    • 工作台,特别适用于焊接和结构钢的工作
    • US5772192A
    • 1998-06-30
    • US673777
    • 1996-06-27
    • Gerhard Hoffmann
    • Gerhard Hoffmann
    • B23Q1/03B25B1/00
    • B23Q1/03Y10S269/91
    • A workbench, in particular for welding and structural steel work, includes a frame assembly having opposing axial ends and including a pair of traverses respectively disposed at the axial ends, and a pair of spaced substantially parallel platforms for forming working surfaces for installation and placement of workpieces, with the working surfaces being expandable in all directions by retractable or detachably secured elements. One of the platforms is stationarily fixed on the traverses and the other one of the platforms is movably supported on the traverses for displacement in direction of the stationary platform. Extending laterally of the stationary platform is a support unit for attachment of accessories and including at least one support and a guide bar secured to the frame assembly and configured of polyhedral cross section for guiding the support in longitudinal direction.
    • 特别是用于焊接和结构钢工作的工作台包括具有相对的轴向端部并且包括分别设置在轴向端部处的一对横向件的框架组件和一对间隔开的大致平行的平台,用于形成工作表面,用于安装和放置 工件,其中工作表面可通过可伸缩或可拆卸地固定的元件在所有方向上扩展。 平台中的一个固定在横向上,另一个平台可移动地支撑在横向上,用于在固定平台的方向上移位。 固定平台的横向延伸是用于附接附件的支撑单元,并且包括至少一个支撑件和固定到框架组件上的导杆,并且构造成用于在纵向方向上引导支撑件的多面体横截面。
    • 9. 发明授权
    • Photopolymerizable laminating material
    • 光聚合层压材料
    • US5114831A
    • 1992-05-19
    • US562568
    • 1990-08-02
    • Friedrich SeitzGerhard HoffmannGerhard Bauer
    • Friedrich SeitzGerhard HoffmannGerhard Bauer
    • C08F2/48G03F7/085
    • G03F7/085
    • These photopolymerizable laminating materials consist of at least one film-forming polymer as a binder, at least one organic compound which is compatible with the binder, has at least two double bonds capable of addition polymerization and may be partially replaced by an organic compound having only one double bond capable of addition polymerization, a photoinitiator or photoinitiator system and an adhesion promoter, with or without conventional additives and assistants, the adhesion promoter used being a tricyclic heteroaromatic compound which is soluble in aqueous alkaline solutions.The said laminating materials are suitable for the production of printed circuits.
    • 这些可光聚合层压材料由至少一种作为粘合剂的成膜聚合物组成,至少一种与粘合剂相容的有机化合物具有至少两个能够加成聚合的双键,并且可以部分地被仅具有有机化合物的化合物 一种能够加成聚合的双键,光引发剂或光引发剂体系和粘合促进剂,具有或不具有常规添加剂和辅助剂的粘合促进剂,所述粘合促进剂是可溶于碱性水溶液的三环杂芳族化合物。 所述层压材料适用于生产印刷电路。