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    • 3. 发明授权
    • Thioxanthone derivatives, and their use as cationic photoinitiators
    • 噻吨酮衍生物及其作为阳离子光引发剂的用途
    • US07335782B2
    • 2008-02-26
    • US10505615
    • 2003-02-26
    • Shaun L. HerlihyRobert S. Davidson
    • Shaun L. HerlihyRobert S. Davidson
    • C07D335/08
    • C09D11/101B33Y70/00C07D335/16C08F2/46C08G59/687C08K5/45G03F7/0045
    • Photoinitiator compounds of formula (I): {where: A represents a direct bond or a group of formula —[O(CHR7CHR6)a]y—, —[O(CH2)bCO]y—, or —[O(CH2)bCO](y-1)—[O(CHR7CHR6)a]—, where one of R6 and R7 is hydrogen and the other is hydrogen or methyl; a is a number from 1 to 2; b is a number from 4 to 5; Q is a residue of a polyhydroxy compound having 2 to 6 hydroxy groups; x is a number greater than 1 but no greater than the number of available hydroxyl groups in Q; y is a number from 1 to 10; R1, R2, R3 and R4 are individually the same or different and each is hydrogen, hydroxy, or alkyl; or R1 and R3 are joined to form a fused ring system with the benzene rings to which they are attached; and R5 represents a direct bond, an oxygen atom or a methylene group} are useful as cationic photoinitiators, especially for use in surface coating applications, such as printing inks and varnishes, and which are intended to be cured by polymerisation initiated by radiation.
    • 式(I)的光引发剂化合物:其中:A表示直接键或式 - [O(CHR 7)CHR 6)的基团。 y - , - [O(CH 2)2 - , - CO 2 - , - 或 - [O(CH 2) (Y-1) - [O(CHR 7)CH 2 O(CH 2 CH 2) 其中R 6和R 7中的一个为氢,另一个为氢或甲基; a是从1到2的数字; b是从4到5的数字; Q是具有2至6个羟基的多羟基化合物的残基; x是大于1但不大于Q中可用羟基数的数; y是从1到10的数字; R 1,R 2,R 3和R 4分别相同或不同,各自为氢, 羟基或烷基; 或R 1和R 3连接形成稠合环系与其所连接的苯环; 和R 5表示直接键,氧原子或亚甲基}可用作阳离子光引发剂,特别是用于表面涂料应用,例如印刷油墨和清漆,并且其旨在是 通过辐射引发的聚合固化。
    • 4. 发明授权
    • Continuous process for controlled concentration of colloidal solutions
    • 连续过程控制胶体溶液浓度
    • US06869501B2
    • 2005-03-22
    • US10028216
    • 2001-12-20
    • Robert S. DavidsonDanny B. AndersonRichard A. GerthDavid R. Holm
    • Robert S. DavidsonDanny B. AndersonRichard A. GerthDavid R. Holm
    • B01D1/00B01D3/06B01D3/42B01J13/00
    • B01D3/06B01D3/42Y10S159/08
    • A process for evaporating a portion of a colloidal solution, said process including: a) passing a colloidal solution, said colloidal solution including particles in a liquid medium, wherein at least a portion of said liquid medium includes at least one volatile component, through one or more orifices into an evaporation zone that has at least one inner surface, wherein said colloidal solution does not substantially contact said at least one inner surface of said evaporation zone as said colloidal solution is passed through said evaporation zone; b) applying pressure in said evaporation zone that is lower than the vapor pressure of said colloidal solution as it is passed into said evaporation zone, allowing for flash evaporation of at least a portion of said at least one volatile component from said colloidal solution; c) adjusting the pressure in said evaporation zone to evaporate an amount of said at least one volatile component from said colloidal solution; and d) collecting the remaining colloidal solution from said evaporation zone.
    • 一种用于蒸发胶体溶液的一部分的方法,所述方法包括:a)使胶体溶液,所述胶体溶液包括颗粒在液体介质中,其中至少一部分所述液体介质包含至少一种挥发性组分,通过一种 或更多的孔进入具有至少一个内表面的蒸发区,其中当所述胶体溶液通过所述蒸发区时,所述胶体溶液基本上不接触所述蒸发区的所述至少一个内表面; b)当所述胶体溶液进入所述蒸发区时,在所述蒸发区中施加低于所述胶体溶液的蒸汽压的压力,允许所述至少一种挥发性组分的至少一部分从所述胶体溶液闪蒸; c)调节所述蒸发区中的压力以从所述胶体溶液中蒸发所述至少一种挥发性组分的量; 和d)从所述蒸发区收集剩余的胶体溶液。