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    • 2. 发明申请
    • Liquid-crystalline composition for printing inks, coatings and counterfeit-proof marking of articles
    • 用于印刷油墨,涂料和制品防伪标记的液晶组合物
    • US20040140451A1
    • 2004-07-22
    • US10744015
    • 2003-12-24
    • BASF Drucksysteme GmbH
    • Frank MeyerHiroki IshidaPeter SchuhmacherHorst Neumann
    • C09K019/52C09K019/54C09K019/34C09K019/32
    • C09K19/54B41M5/5227B41M7/0027C09D5/36C09D11/50C09K19/00C09K19/2007C09K19/3809C09K2019/0448Y10T428/10Y10T428/1086
    • The present invention relates to a liquid-crystalline composition which comprises, as components A) a liquid-crystalline mixture comprising as least one compound selected from the group consisting of the compounds of the formula Ia Z1-Y1-A1-Y3-M1-Y4-A2-Y2-Z2nullnullIa nulland of the formula Ib Z3-Y5-A3-Y7-M2-PnullnullIb, nullwhere the variables, independently of one another, have the following meanings: P is hydrogen, C1-C15-alkyl or a nullY8-A4-Y6-Z4 group, Z1 to Z4 are polymerizable groups, Y1 to Y8 are linking groups, A1 to A4 are spacers and M1 and M2 are mesogenic groups, B) if desired, further additives selected from the group consisting of photoinitiators, reactive thinners and diluents, C) if desired, further additives taken from the group consisting of antifoams and deaerators, lubricants and flow auxiliaries, thermally curing or radiation-curing auxiliaries, substrate wetting auxiliaries, wetting and dispersion auxiliaries, hydrophobicizing agents, adhesion promoters and auxiliaries for improving the scratch resistance, D) if desired, further additives selected from the group consisting of dyes and pigments, and E) if desired, further additives selected from the group consisting of light, heat and/or oxidation stabilizers. A detailed definition of the variables Z1 to Z4, Y1 to Y8, A1 to A4, P, M1 and M2 is given in the description. The present invention furthermore relates to the use of a liquid-crystalline composition of this type as a printing ink, for printing or coating substrates, in electro-optical components, for counterfeiting-proof marking of articles and for the production of films or coatings which selectively reflect light in the wavelength range from 250 to 1300 nm, to a polymer or polymerized film obtained by polymerizing a liquid-crystalline composition according to the current invention and to the use of a polymerized film of this type as an optical filter, polarizer, decoration, counterfeiting-proof marking or reflection medium for the selective reflection of radiation in the wavelength range of 250 to 1300 nm, to a process for printing or coating the substrate using a liquid-crystalline composition according to the invention, and to substrates to which a liquid-crystalline composition according to the invention or a polymer or polymerized film according to the invention has been applied or which has been printed or coated by the process according to the invention.
    • 本发明涉及一种液晶组合物,其包含作为组分A)的液晶混合物,所述液晶混合物包含至少一种选自式Ia Z 1 -Y 1 -A的化合物的化合物 -Y 3 -M 1 -Y 4 -A 2 -2Y 2 -Z 2a和式Ib Z 3 -Y 5 -A 其中变量彼此独立地具有以下含义:P是氢,C 1 -C 15 - 烷基或-Y 8 -A- Z 1〜Z 4基团,Z 1〜Z 4为可聚合基团,Y 1至Y 8为连接基团,A 1至A 4为 间隔基和M 1和M 2是介晶基团,B)如果需要,另外的添加剂选自光引发剂,反应性稀释剂和稀释剂,C)如果需要,还有添加剂取自消泡剂和 除氧器,润滑剂和流动助剂,热固化或辐射固化助剂,基底润湿助剂,润湿和分散助剂,疏水剂, 用于改善耐擦伤性的粘合促进剂和助剂,D)如果需要,还可以选择由染料和颜料组成的组中的其它添加剂,以及E)如果需要,还可以选择由轻,热和/或氧化稳定剂组成的组中的其它添加剂。 变量Z 1至Z 4,Y 1至Y 8,A 1至A 4,P,M 1和M 2的详细定义见 说明。 本发明还涉及这种类型的液晶组合物作为印刷油墨,用于在电光部件中印刷或涂覆基材,用于制品的防伪标记和用于制备膜或涂层的印刷油墨 有选择地反映ligh
    • 4. 发明授权
    • Multilayer element for producing printing or relief plates
    • 用于生产印刷或浮雕板的多层元件
    • US6103451A
    • 2000-08-15
    • US157599
    • 1998-09-21
    • Rainer BlumSabine PhilippAlfred Leinenbach
    • Rainer BlumSabine PhilippAlfred Leinenbach
    • B32B27/30G03F7/00G03F7/11
    • G03F7/11
    • A multilayer element comprising a substrate, an intermediate layer and a photopolymerizable or photocrosslinkable layer in the stated order is used for producing printing or relief plates. The intermediate layer contains a copolymer of a monomer (A) of the formula (I) or (II) and a copolymerizable monomer (B) ##STR1## where R.sup.1 is vinyl, propen-2-yl, 1-buten-2-yl or styryl or a radical R.sup.2 --O--CO--CH.dbd.CH--, R.sup.2 is an alkyl, aryl, aralkyl or cycloalkyl radical of up to 10 carbon atoms, R.sup.3 is H, methyl or ethyl and n is from zero to 5. The intermediate layer in the multilayer element has improved adhesion in the laminate. It is initially nontacky and does not become tacky until after the application of the photopolymerizable layer, as a result of the interaction with said layer. The improved adhesion in the laminate is retained even after storage and repeated use of the finished printing plates.
    • 使用包括基板,中间层和可光聚合或可光致交联层的多层元件按照所述的顺序制造印刷版或浮雕版。 中间层包含式(I)或(II)的单体(A)和可共聚单体(B)的共聚物,其中R 1是乙烯基,丙烯-2-基,1-丁烯-2-基或苯乙烯基或 基团R2-O-CO-CH = CH-,R2是至多10个碳原子的烷基,芳基,芳烷基或环烷基,R3是H,甲基或乙基,n是0-5。 多层元件具有改进的层压体粘附性。 由于与所述层的相互作用,它最初是不粘的,并且直到施加可光聚合层之后才变粘。 即使在保存并重复使用成品印刷版之后,也保留了层压体中改善的粘合性。