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    • 4. 发明申请
    • LITHOGRAPHIC PRINTING PLATE PRECURSORS WITH OLIGOMERIC OR POLYMERIC SENSITIZERS
    • 具有低分子或聚合物敏感剂的平版印刷机前驱体(LITHOGRAPHIC PRINTING PLATE PRECURSORS WITH OLIGOMERIC或POLYMERIC SENSITIZERS)
    • WO2006053689A1
    • 2006-05-26
    • PCT/EP2005/012136
    • 2005-11-11
    • KODAK POLYCHROME GRAPHICS GMBHSTREHMEL, BerndBAUMANN, HaraldDWARS, UdoPIETSCH, DetlefDRABER, AxelMURSAL, Michael
    • STREHMEL, BerndBAUMANN, HaraldDWARS, UdoPIETSCH, DetlefDRABER, AxelMURSAL, Michael
    • G03F7/031G03F7/029
    • G03F7/029G03F7/031Y10S430/116Y10S430/117Y10S430/121Y10S430/123Y10S430/127Y10S522/904Y10S522/913
    • Lithographic printing plate precursor comprising (a) a lithographic substrate with a hydrophilic surface and (b) a radiation-sensitive coating on the hydrophilic surface comprising (i) one or more types of monomers and/or oligomers and/or polymers, each comprising at least one ethylenically unsaturated group accessible to a freeradical polymerization, (ii) at least one sensitizer, and at least one coinitiator capable of forming free radicals together with the sensitizer (ii); characterized in that the at least one sensitizer is an oligomeric or polymeric compound comprising the following structural unit (Formula (I)), wherein π 1 is an aromatic or heteroaromatic unit or a combination of the two so that a conjugated n-system is present between the two groups Z in structure (I), each Z independently represents a heteroatom, each R 1 and R 2 is independently selected from a halogen atom, an alkyl, aryl, alkylaryl or aralkyl group, a group -NR 3 R 4 and a group -OR 5 , each R 3 , R 4 and R 5 is independently selected from an alkyl, aryl, alkylaryl and aralkyl group, a and b independently represent 0 or an integer from 1 to 4, n has a value of >1 and AS is an aliphatic spacer.
    • 该平版印刷版前体包括(a)具有亲水表面的平版印刷基材和(b)亲水表面上的辐射敏感涂层,其包含(i)一种或多种类型的单体和/或低聚物和/或聚合物, 至少一种可自由聚合的烯属不饱和基团,(ii)至少一种敏化剂,和至少一种能够与敏化剂(ii)一起形成自由基的共引发剂; 其特征在于,所述至少一种敏化剂是包含以下结构单元(式(I))的低聚或聚合化合物,其中p 1是芳族或杂芳族单元或两者的组合,使得 在结构(I)中的两个基团Z之间存在共轭n系,每个Z独立地表示杂原子,每个R 1和R 2独立地选自 卤素原子,烷基,芳基,烷基芳基或芳烷基,基团-NR 3 R 4和基团-OR 5,各R R 4,R 4和R 5独立地选自烷基,芳基,烷基芳基和芳烷基,a和b独立地表示0或 1〜4的整数,n的值为1,AS为脂肪族间隔物。
    • 5. 发明申请
    • RADIATION-SENSITIVE COMPOSITIONS COMPRISING OXAZOLE DERIVATIVES AND IMAGEABLE ELEMENTS BASED THEREON
    • 包含氧唑衍生物和可成像元素的辐射敏感组合物
    • WO2004074930A2
    • 2004-09-02
    • PCT/EP2004/001706
    • 2004-02-20
    • KODAK POLYCHROME GRAPHICS GMBHBAUMANN, HaraldDWARS, UdoPIETSCH, DetlefFLUGEL, Michael
    • BAUMANN, HaraldDWARS, UdoPIETSCH, DetlefFLUGEL, Michael
    • G03F
    • G03F7/029G03F7/031
    • Radiation-sensitive element comprising: (a) one or more types of monomers each comprising at least one ethylenically unsaturated group accessible to a free-radical polymerization, (b) at least one sensitizer, (c) at least one coinitiator capable of forming free radicals together with the sensitizer (b) and selected from the following classes of compounds: metallocenes; 1,3,5-triazine derivatives with one to three CX 3 groups, wherein X represents chlorine or bromine; peroxides; hexaarylbiimidazoles; oxime ethers; oxime esters; N-aryl glycines and derivatives thereof; thiol compounds; N-aryl, S-aryl and O-aryl polycarboxylic acids with at least 2 carboxyl groups of which at least one is bonded to the N, S or O atom of the aryl unit; alkyltriarylborates; benzoin ethers; benzoin esters; trihalogenomethylarylsulfones; amines; N,N-dialkylaminobenzoic acid esters; aromatic sulfonyl halides; trihalogenomethylsulfones; imides; diazosulfonates; 9,10-dihydroanthracene derivatives; a-hydroxy and a-amino acetophenones; and (d) optionally one or more components selected from alkali-soluble binders, colorants, exposure indicators, plasticizers, chain transfer agents, leuco dyes, surfactants, inorganic fillers and thermopolymerization inhibitors characterized in that the at least one sensitizer is an oxazole derivative of the formula (I), wherein each R 1 , R 2 and R 3 is independently selected from a halogen atom, an optionally substituted alkyl group, an optionally substituted aryl group, which may also be fused, an optionally substituted aralkyl group, a group -NR 4 R 5 and a group - OR6 , wherein R 4 and R 5 are independently selected from a hydrogen atom, an alkyl, aryl or ralkyl group, R 6 is an alkyl, aryl or aralkyl group or a hydrogen atom and k, m and n are independently 0 or an integer from 1 to 5.
    • 辐射敏感元件包括:(a)一种或多种类型的单体,每种单体各自包含可自由基聚合的至少一个烯键式不饱和基团,(b)至少一种敏化剂,(c)至少一种能形成游离基的共引发剂 自由基与敏化剂(b)一起并选自以下类别的化合物:金属茂; 具有一至三个CX 3基团的1,3,5-三嗪衍生物,其中X表示氯或溴; 过氧化物; hexaarylbiimidazoles; 肟醚 肟酯 N-芳基甘氨酸及其衍生物; 硫醇化合物; 具有至少2个羧基的N-芳基,S-芳基和O-芳基多元羧酸,其中至少一个与芳基单元的N,S或O原子键合; alkyltriarylborates; 苯偶姻醚; 苯偶姻酯; trihalogenomethylarylsulfones; 胺; N,N-二烷基氨基苯甲酸酯; 芳香族磺酰卤; trihalogenomethylsulfones; 酰亚胺; diazosulfonates; 9,10-二氢蒽衍生物; α-羟基和α-氨基苯乙酮; 和(d)任选的一种或多种选自碱溶性粘合剂,着色剂,曝光指示剂,增塑剂,链转移剂,无色染料,表面活性剂,无机填料和热聚合抑制剂的组分,其特征在于所述至少一种敏化剂是 式(I),其中每个R 1,R 2和R 3独立地选自卤素原子,任选取代的烷基,任选取代的芳基,其也可以稠合,任选地 取代的芳烷基,基团-NR 4 R 5和基团-OR 6,其中R 4和R 5独立地选自氢原子,烷基,芳基或R 1烷基,R 6是烷基,芳基或芳烷基或氢原子,k,m和n分别为0或1〜5的整数。