Process for the preparation of 1-phenylindan photoinitiators
    25.
    发明申请
    Process for the preparation of 1-phenylindan photoinitiators 有权
    1-苯基吲哚类光引发剂的制备方法

    公开(公告)号:US20060241323A1

    公开(公告)日:2006-10-26

    申请号:US10553777

    申请日:2004-04-26

    IPC分类号: C07C45/46

    摘要: The invention relates to a process for the preparation of a crystalline isomeric mixture of compounds of formulae (I) and (II) which process comprises the following steps: a) the slow addition of aluminium chloride, in portions, to a solution comprising 1,1,3-trimethyl-3-phenylindan and isobutyric acid halide in a suitable solvent at a reaction temperature of from −20° C. to 20° C., an isomeric mixture consisting of compounds of formulae (Ia) and (IIa) being obtained; b) enol chlorination of compounds (Ia) and (IIa), an isomeric mixture consisting of compounds of formulae (Ib) and (IIb) being obtained; c) hydrolysis of the chlorinated isomeric mixture from step b). The invention relates also to the preparation of the individual compounds (I) and (II).

    摘要翻译: 本发明涉及一种制备式(I)和(II)化合物的结晶异构体混合物的方法,该方法包括以下步骤:a)将氯化铝缓慢加入到包含1, 1,3-二甲基-3-苯基茚基和异丁酸卤化物在合适的溶剂中,在-20℃至20℃的反应温度下,由式(Ia)和(IIa)化合物组成的异构体混合物为 获得; b)化合物(Ia)和(IIa)的烯醇氯化,得到由式(Ib)和(IIb)的化合物组成的异构体混合物; c)步骤b)中氯化异构体混合物的水解。 本发明还涉及单个化合物(I)和(II)的制备。

    Photocurable compositions
    28.
    发明申请
    Photocurable compositions 审中-公开
    可光固化组合物

    公开(公告)号:US20060160915A1

    公开(公告)日:2006-07-20

    申请号:US10544509

    申请日:2004-02-09

    IPC分类号: C08F2/50

    CPC分类号: C08F2/50 C08K5/07 G03F7/031

    摘要: Benzophenone derivatives of formula I R1, R2 and R3 are each independently of the others hydrogen or C1-C4alkyl, cyclopentyl or cyclohexyl; R4, R5 and R6 are each independently of the others hydrogen, C1-C4alkyl, cyclopentyl or cyclohexyl; R7 and R8 are each independently of the other hydrogen, C1-C4alkyl, cyclopentyl or cyclohexyl; with the provisos that (i) at least one radical R1, R2, R3, R4, R5, R6, R7, R8 is other than hydrogen; (ii) when all radicals R4, R5 , R6, R7 and R8 are hydrogen and only one radical R1, R2, R3 is C1-C4alkyl, that radical must be in the meta-position of the phenyl ring; and (iii) when all radicals R1, R2, R3, R7 and R8 are hydrogen and two of the radicals R4, R5 and R6 are hydrogen and the remaining radical R4, R5 or R6 is C1-C4alkyl, that alkyl radical is not bonded in the para-position on the phenyl ring; are found to be especially suitable in photocurable compositions in respect of solubility, reactivity and a low level of yellowing.

    摘要翻译: 式IR 1 R 2,R 2和R 3的二苯甲酮衍生物各自独立地为氢或C 1〜 -C 4烷基,环戊基或环己基; R 4,R 5和R 6各自独立地为氢,C 1 -C 3 烷基,环戊基或环己基; R 7和R 8分别独立地为氢,C 1 -C 4烷基,环戊基或 环己基 条件是(i)至少一个基团R 1,R 2,R 3,R 4, R 5,R 6,R 7,R 8不同于氢; R 5,R 7,R 7, (ii)当所有基团R 4,R 5,R 6,R 7和R 7, 8是氢,只有一个基团R 1,R 2,R 3是C 1 H 2, -C 4 - 烷基,该基团必须在苯环的间位; 和(iii)当所有基团R 1,R 2,R 3,R 7和R SUB > 8 是氢,基团R 4,R 5和R 6中的两个是氢,剩余的基团R' R 4,R 5或R 6是C 1 -C 4烷基,该C 1 -C 4烷基, 烷基在苯环的对位不结合; 在溶解性,反应性和黄化程度方面都被认为特别适用于光固化组合物。

    New difunctional photoinitators
    29.
    发明申请
    New difunctional photoinitators 有权
    新型双功能光电二极管

    公开(公告)号:US20050239971A1

    公开(公告)日:2005-10-27

    申请号:US10521650

    申请日:2003-07-10

    摘要: The invention relates to novel photoinitiators of formula (I) wherein A is —O—, —CH2−, CH(CH3)— or —C(CH3)2−, and R is methyl or trimethylsilyl, and R may in addition be hydrogen when A is simultaneously the group —C(CH3)2−. The invention relates also to compositions comprising (A) at least one ethylenically unsaturated compound, (B) a photoinitiator of formula (I), (C) optionally further binders or additives, (D) optionally further photoinitiators or co-initiators. Compositions comprising (A) an ethylenically unsaturated compound that contains at least one aminoacrylate, (B) a photoinitiator of formula (II) or (III), (C) optionally further binders or additives, (D) optionally further photoinitiators or co-initiators.

    摘要翻译: 本发明涉及式(I)的新型光引发剂,其中A是-O-,-CH 2 - ,CH(CH 3) - 或-C(CH 3)2 - ,且R是甲基或三甲基甲硅烷基,当A同时为基团-C(CH 3)3)时,R另外可以是氢。 2 - 。 本发明还涉及包含(A)至少一种烯键式不饱和化合物,(B)式(I)的光引发剂,(C)任选的其它粘合剂或添加剂的组合物,(D)任选的其它光引发剂或共引发剂。 包含(A)含有至少一个氨基丙烯酸酯的烯属不饱和化合物,(B)式(II)或(III)的光引发剂,(C)任选的其它粘合剂或添加剂的组合物,(D)任选的其它光引发剂或共引发剂 。

    Incorporable photoinitiator
    30.
    发明申请
    Incorporable photoinitiator 有权
    可并入的光引发剂

    公开(公告)号:US20050228062A1

    公开(公告)日:2005-10-13

    申请号:US10512300

    申请日:2003-04-17

    CPC分类号: C08F2/50 B33Y70/00

    摘要: Compounds of formula (I), wherein Y is, for example, C3-C,12alkylene, butenylene, butynylene, or C4-C,12alkylene interrupted one or more times by non-consecutive —O— or —NR2—; R1 is a reactive group selected from OH, SH, NR3R4, —(CO)—OH, —(CO)—NH2, SO3H, —C(R5)═CR6R7, oxiranyl, —O—(CO)—NH—R8—NCO and —O—(CO)—R9—(CO)—X; R2 is hydrogen, C1-C4alkyl or C2-C4 hydroxyalkyl; R3 and R4 are each independently of the other hydrogen, C1-C4alkyl or C2-C4hydroxyalkyl; R5, R6 and R7 are each independently of the others hydrogen or methyl; R8 is, for example, linear or branched C4-C12alkylene, or phenylene; R9 is, for example, linear branched C1-C16alkylene, —CH═CH—, —CH═CH—CH2—, C6-cycloalkylene, phenylene or naphthylene; and X, X1 and X2 are each independently of the others OH, Cl, OCH3 or OC2H5; are suitable as photoinitiators that can be incorporated in a formulation to be cured.

    摘要翻译: 式(I)的化合物,其中Y为例如C 3 -C 12亚烷基,亚丁烯基,亚丁炔基或C 4-14亚烷基, C 1 -C 12亚烷基被非连续的-O-或-NR 2 - 2间隔一次或多次; R 1是选自OH,SH,NR 3 R 4, - (CO)-OH, - (CO) - NH 2,SO 3 H,-C(R 5) - CR 6 R 7, /(CO)-NH-R 8 -NCO和-O-(CO)-R 9 - (CO)-X; R 2是氢,C 1 -C 4烷基或C 2 -C 4烷基或C 2 -C 4 - 羟基烷基; R 3和R 4分别独立地为氢,C 1 -C 4烷基或C 1 -C 4烷基, S 2 -C 4羟烷基; R 5,R 6和R 7各自独立地为氢或甲基; R 8是例如直链或支链C 4 -C 12亚烷基或亚苯基; R 9是例如直链支链C 1 -C 16亚烷基,-CH-CH-,-CH-CH-CH 3, 亚磺酰基,亚苯基或亚萘基; 和X,X 1和X 2各自独立地为OH,Cl,OCH 3或OC 2