Fluorescent Whitening Pigments
    24.
    发明申请

    公开(公告)号:US20080040865A1

    公开(公告)日:2008-02-21

    申请号:US10579490

    申请日:2004-11-08

    摘要: A whitening pigment comprising the reaction product of (a) a melamine-formaldehyde and/or a melamine-urea poly-condensation product and (b) a water-soluble fluorescent whitening agent of the formula (1), wherein each of the two R1 groups, independent of the other, represents a C1-C6alkyl or C1-C4alkyl-O—C1-C4alkyl residue, which is substituted by one or two —CONH2, —CONHC1-C4alkyl, —COOH, —SO2NH2, —SO2NHC1-C4alkyl or —NH2 groups, each of the two R2 groups, independent of the other, represents hydrogen, C1-C4alkyl, C2-C4hydroxyalkyl or C1-C4alkoxyC1-C4alkyl, or R1 and R2 together with the nitrogen atom complete a piperazine ring, each of the two X1 groups, independently, represent —OH, —OC1-C4alkyl, —Oaryl or the group —NR3R4, wherein R3 and R4 each, independently, represent hydrogen, C1-C4alkyl, C2-C4hydroxyalky, C1-C4alkoxyC1-C4alkyl, a phenyl, phenyl mono- or disulphonic acid residue or, R3 and R4, together with the nitrogen atom to which they are attached, complete a morpholino, piperidino or pyrrolidino ring or, alternatively, X1 represents an amino acid residue from which a hydrogen atom has been abstracted from the amino group and M is hydrogen, an alkaline or alkaline earth metal ion, ammonium, mono- di-, tri- or tetra-substituted C1-C4alkylammonium or C2-C4hydroxyalkylammonium or mixtures thereof, a process for preparation of the pigments and the use thereof for the fluorescent whitening of paper.

    Amphoteric fluorescent whitening agents
    25.
    发明申请
    Amphoteric fluorescent whitening agents 失效
    两性荧光增白剂

    公开(公告)号:US20060155124A1

    公开(公告)日:2006-07-13

    申请号:US10534315

    申请日:2003-11-11

    IPC分类号: C07D487/00

    CPC分类号: D21H21/30

    摘要: The present invention provides novel bis-triazinylaminostilbene amphoteric fluorescent whitening agents, comprising both individual components and mixtures thereof, a process for their preparation, intermediates useful for their prepartion and use of the fluorescent whitening agents for the fluorescents whitening of paper.

    摘要翻译: 本发明提供了新颖的双 - 三嗪基氨基芪两性荧光增白剂,其包括单独组分及其混合物,其制备方法,可用于其制备的中间体和使用荧光增白剂用于荧光增白纸。

    Use of whitening pigments for whitening paper coating compositions
    27.
    发明授权
    Use of whitening pigments for whitening paper coating compositions 失效
    使用美白颜料增白纸涂料组合物

    公开(公告)号:US06797752B1

    公开(公告)日:2004-09-28

    申请号:US10048758

    申请日:2002-02-01

    申请人: Peter Rohringer

    发明人: Peter Rohringer

    IPC分类号: C08K534

    CPC分类号: D21H21/30 D21H19/42

    摘要: The use of whitening pigments comprising (a) a melamine-formaldehyde or phenol-formaldehyde polycondensation product and (b) a water-soluble fluorescent whitening agent of formula (1), wherein R1 and R2 are each independently of the other —OH, —Cl, —NH2, —O—C1-C4alkyl, —O—aryl, —NH—C1-C4alkyl, —N(C1-C4alkyl)2, —N(C1-C4alkyl)(C1-C4hydroxyalkyl), —N(C1-C4hydroxyalkyl)2, or —NH—aryl, for example aniline-mono- or -di-sulfonic acid or an anilinesulfon-amide, morpholino, S—C1-C4alkyl(aryl), or a radical of an amino acid, for example aspartic acid or inimoacetic acid, which radical is substited at the amino group, and M is hydrogen; sodium; potassium; calcium; magnesium; ammonium; mono-, di-, tri- or tetra-C1-C4alkylammoniun; mono-, di- or tri-C1-C4hydroxyalkylammonium; or ammonium di- or tri-substitue by a mixture of C1-C4 alkyl and C1-C4hydroxyalkyl groups, for whitening paper coating compositions.

    摘要翻译: 使用美白颜料,其包含(a)三聚氰胺 - 甲醛或苯酚 - 甲醛缩聚产物和(b)式(1)的水溶性荧光增白剂,其中R1和R2各自独立地为-OH, Cl,-NH 2,-O-C 1 -C 4烷基,-O-芳基,-NH-C 1 -C 4烷基,-N(C 1 -C 4烷基)2,-N(C 1 -C 4烷基)(C 1 -C 4羟烷基) -C 1-4羟烷基)2或-NH-芳基,例如苯胺一 - 或二 - 磺酸或苯胺磺酰胺,吗啉代,S-C 1 -C 4烷基(芳基)或氨基酸的基团,例如 天冬氨酸或咪唑乙酸,其自由基在氨基处被取代,M是氢; 钠; 钾; 钙; 镁; 铵; 单 - ,二 - ,三 - 或四 - C 1 -C 4烷基铵; 单,二或三-C 1 -C 4羟烷基铵; 或通过C 1 -C 4烷基和C 1 -C 4羟烷基的混合物的二取代或三取代,用于增白纸涂料组合物。

    Fluorescent whitening agents
    28.
    发明授权
    Fluorescent whitening agents 失效
    荧光增白剂

    公开(公告)号:US06458169B2

    公开(公告)日:2002-10-01

    申请号:US09767112

    申请日:2001-01-22

    IPC分类号: C07D25100

    摘要: The present invention provides new compounds having the formula: in which X is O or, preferably, NH; M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; each R1, independently, is an aminoacid residue from which a hydrogen atom on the amino group has been removed; n is 1 or 2; and each R2, independently, is hydrogen, C1-C3alkyl, halogen, cyano, COOR in which R is hydrogen or C1-C3alkyl, CONH—R in which R has its previous significance, SO2NH—R in which R has its previous significance, NH—COR in which R has its previous significance, SO3M in which M has its previous significance or, when n is 1, R2 can also be CO—R3 in which R3 is C1-C3alkyl or phenyl; provided that those compounds are excluded in which a) X is NH, n is 1 and R2 is SO3M in which M has its previous significance; or b) X is NH, n is 2 and one R2 is SO3M in which M has its previous significance, and the other R2 is hydrogen, methyl or halogen; or c) X is NH, n is 1, R1 is glycine and R2 is H or CO2H; or d) X is NH, n is 2, each R2 is SO3M in which M has its previous significance and the SO3M groups are in 2,5-positions in the phenyl ring and R1 is D,L-alanine, L-valine, L-leucine, L-isoleucine, L-threonine, L-aspartic acid, L-glutamic acid, L-phenylalanine, L-proline, D,L-methionine or glycine. Most of the new class of 4,4′-diaminostilbene-2,2′-disulfonic acid compounds are useful as fluorescent whitening agents, especially for paper.

    摘要翻译: 本发明提供了新的具有下式的化合物:其中X为O或优选为NH; M是氢,碱金属原子,铵或由胺形成的阳离子; 每个R 1独立地是氨基酸被除去的氨基酸残基; n为1或2; 并且每个R 2独立地是氢,C 1 -C 3烷基,卤素,氰基,其中R是氢或C 1 -C 3烷基的COOR,其中R具有其先前含义的CONH-R,其中R具有其先前含义的SO 2 NH- 其中R具有其先前意义的NH-COR,其中M具有其先前含义的SO 3 M,或当n为1时,R 2也可以是其中R 3为C 1 -C 3烷基或苯基的CO-R 3;条件是将这些化合物排除在 哪一个)X是NH,n是1,R2是SO3M,其中M具有其先前的意义; 环)X是NH,n是2,一个R2是SO3M,其中M具有其先前的意义,另一个R 2是氢,甲基或卤素; orc)X是NH,n是1,R1是甘氨酸,R2是H或CO2H; ord)X是NH,n是2,每个R2是SO3M,其中M具有其先前的意义,SO3M基团在苯环中是2,5位,R1是D,L-丙氨酸,L-缬氨酸,L L-亮氨酸,L-异亮氨酸,L-苏氨酸,L-天冬氨酸,L-谷氨酸,L-苯丙氨酸,L-脯氨酸,D,L-甲硫氨酸或甘氨酸。新的4,4'-二氨基芪 - 2,2'-二磺酸化合物可用作荧光增白剂,特别是用于纸。

    Process for sizing paper or cardboard with anionic hydrophobic sizing
agents and cationic retention aids
    29.
    发明授权
    Process for sizing paper or cardboard with anionic hydrophobic sizing agents and cationic retention aids 失效
    使用阴离子疏水施胶剂和阳离子助留剂调整纸张或纸板的方法

    公开(公告)号:US4735685A

    公开(公告)日:1988-04-05

    申请号:US773705

    申请日:1985-09-09

    摘要: Anionic sizing agents containing anhydride groups, which are novel compounds and which contain a single N,N-C.sub.6 -C.sub.22 di(alkyl- or alkenyl)amido group, a N-C.sub.6 -C.sub.22 (alkyl- or alkenyl)amido group or a C.sub.6 -C.sub.22 -(alkyl or alkenyl) ester group as hydrophobic substituent, and at least one anionic group in acid or salt form, in particular the anhydride of a N,N-C.sub.6 -C.sub.22 dialkylamido- or N,N-C.sub.6 -C.sub.22 dialkenylamidocarboxylic acid, the anhydride of a N-C.sub.6 -C.sub.22 alkylamido- or N,N-C.sub.6 -C.sub.22 alkenylamidocarboxylic acid, or the C.sub.6 -C.sub.22 alkyl ester or C.sub.6 -C.sub.22 alkenyl ester of an aromatic tetracarboxylic acid anhydride or a salt thereof, are particularly suitable, together with commerically available retention aids, for use in a process for pulp-sizing or surface-sizing paper or cardboard.

    摘要翻译: 含有酸酐基团的阴离子施胶剂是新型化合物,其含有单个N,N-C 6 -C 22二(烷基 - 或烯基)酰氨基,N-C 6 -C 22(烷基 - 或烯基)酰氨基或C 6 -C 22二 C 22 - (烷基或烯基)酯基作为疏水性取代基,以及至少一种酸或盐形式的阴离子基团,特别是N,N-C6-C22二烷基酰氨基或N,N-C6-C22二烯酰基氨基羧酸的酸酐, N-C6-C22烷基酰氨基或N,N-C6-C22链烯基酰胺羧酸或芳香族四羧酸酐或其盐的C 6 -C 22烷基酯或C 6 -C 22烯基酯的酸酐特别合适,以及商业上可获得的保留 辅助材料,用于纸浆尺寸或表面尺寸纸张或纸板的过程中。