Tanning agent and curing agent based on dialdehydes
    1.
    发明申请
    Tanning agent and curing agent based on dialdehydes 失效
    鞣剂和基于二醛的固化剂

    公开(公告)号:US20050125906A1

    公开(公告)日:2005-06-16

    申请号:US10511279

    申请日:2003-05-02

    IPC分类号: C07C45/72 C14C3/16 C14C3/00

    CPC分类号: C07C45/72 C14C3/16

    摘要: The invention relates to a tanning agent that is produced by reacting at least one aldehyde of general formula (I) with at least another identical or different aldehyde of formula (I), wherein the variables are defined as follows: Z is a single chemical bond, an optionally substituted C1-C12-alkyl, an optionally substituted C5-C12-cycloalkyl or an optionally substituted C6-C14-aryl, wherein the reaction is carried out in the presence of an acid catalyst and optionally in the presence of at least another carbonyl compound of formula (II), R1 to R4 represent, independent of one another, hydrogen, optionally substituted C1-C12-allyl, optionally substituted C3-C12-cycloalkyl, optionally substituted C7-C13-aralkyl or optionally substituted C6-C14-aryl, provided that at least another aldehyde of formula (I) in which the radical of Z contains α hydrogen atoms or at least another carbonyl compound of formula (I) is present when Z is a single chemical bond or a radical without any hydrogen atoms. The invention also relates to a method for the production of said tanning agent, to the utilization thereof as curing agent, particularly for pretannage, tannage or retannage of animal skins using the inventive tanning agents. The invention further relates to a powder active agent containing one or more of said inventive tanning agents, to a method for the production of said powder active agents and to the use thereof as curing agent and to leather produced using the inventive tanning agents or the inventive method.

    摘要翻译: 本发明涉及通过使至少一种通式(I)的醛与至少另一相同或不同的式(I)的醛反应制备的鞣制剂,其中变量定义如下:Z是单一化学键 ,任选取代的C 1 -C 12 - 烷基,任选取代的C 5 -C 12 - 环烷基 或任选取代的C 6 -C 14 - 芳基,其中反应在酸催化剂的存在下进行,并且任选地在至少另外一种羰基化合物存在下进行 式(II)中,R 1至R 4彼此独立地表示氢,任选取代的C 1 -C 4烷基, 12-烯丙基,任选取代的C 3 -C 12 - 环烷基,任选取代的C 7 -C 13 - 或其任选取代的C 6 -C 14 - 芳基,条件是至少另一种式(I)的醛,其中th 当Z是单个化学键或没有任何氢原子的基团时,Z的基团含有α氢原子或至少另外一个式(I)的羰基化合物。 本发明还涉及一种用于生产所述鞣剂的方法,其用作固化剂,特别是使用本发明的鞣剂对动物皮肤进行预处理,鞣制或回火处理。 本发明还涉及含有一种或多种所述本发明的鞣剂的粉末活性剂,用于制备所述粉末活性剂的方法及其作为固化剂的用途,以及使用本发明的鞣剂或本发明制备的皮革 方法。

    Method for producing leather
    2.
    发明申请

    公开(公告)号:US20070022541A1

    公开(公告)日:2007-02-01

    申请号:US10529744

    申请日:2003-10-14

    IPC分类号: C14C1/06

    CPC分类号: C14C1/065

    摘要: Leather is produced by a process comprising at least two of the following process steps A) to D): A) use of one or more polyelectrolytes in the production of semifinished products or intermediate products, comprising the addition of one or more polyelectrolytes in at least one of the steps (a) to (d) (a) together with from 0 to 1.5% by weight, based on the salted weight, of lime, immediately before or during liming, (b) before or during deliming, (c) before or during bating, (d) together with, altogether, from 0 to 3% by weight, based on the pelt weight, of alkali metal or alkaline earth metal salt, immediately before or during pickling; B) treatment of the hides during liming in an aqueous liquor with one or more compounds of the formula B.1  or the corresponding alkali metal, alkaline earth metal, ammonium or phosphonium salts thereof, R10 and X1 to X4 having the meanings stated in the description, with the proviso that at least two mercapto groups are present in the compound or the compounds B.1; C) use of degreasing agents of the formula C.1  for degreasing pelts, hides or other intermediate stages and semifinished products in leather production, n and R16 to R21 having the meanings stated in the description; D) tanning with the use of a tanning agent which can be prepared by reacting at least one aldehyde of the formula D.1,  with at least one further identical or different aldehyde of the formula D.1 in the presence of an acidic catalyst and optionally in the presence of at least one further carbonyl compound of the formula D.2  Z and R22 to R25 having the meanings stated in the description, with the proviso that, when Z corresponds to a single chemical bond or a radical without α-hydrogen atoms, at least one further aldehyde of the formula D.1, in which Z contains α-hydrogen atoms, or at least one further carbonyl compound of the formula D.2 is present.

    Method for removing horn substance from skins, pelts or furs
    3.
    发明申请
    Method for removing horn substance from skins, pelts or furs 失效
    从皮肤,皮毛或毛皮去除角质物质的方法

    公开(公告)号:US20050229326A1

    公开(公告)日:2005-10-20

    申请号:US10513800

    申请日:2003-05-19

    IPC分类号: C14C1/06 C14C3/04 C14C3/02

    CPC分类号: C14C1/06

    摘要: Horny substances are removed from hides, pelts or skins of dead animals by treating the hides, pelts or skins in aqueous liquor with one or more compounds of the formula I or their corresponding alkali metal or alkaline earth metal salts or ammonium or phosphonium salts, the variables being defined as follows: R1 is selected from hydrogen and C1-C12-alkyl, unsubstituted or substituted by one or more S—H or O—H groups; X1 to X4 are identical or different and are selected from hydrogen, C1-C4-alkyl, O—H, S—H and N—HR2, R2 is hydrogen or C1-C12-alkyl or a C1-C4-Alkyl-C═O group, at least one radical X1 to X4 being S—H when R1 contains at least one sulfur atom and at least two radicals X1 to X4 being S—H when R1 contains no sulfur atom.

    摘要翻译: 通过用一种或多种式I化合物或其相应的碱金属或碱土金属盐或铵盐或鏻盐处理含水液体中的皮革,皮毛或皮肤,从死皮的皮革,毛皮或皮肤中去除角质物质, 变量定义如下:R 1选自氢和C 1 -C 12 - 烷基,未被取代或被一个或多个SH取代 或OH基团; X 1至X 4相同或不同,并且选自氢,C 1 -C 4 - C 4 - 烷基 ,OH,SH和N-HR 2,R 2是氢或C 1 -C 12 - C 12 - 烷基 或C 1 -C 4 - 烷基-CO基团,至少一个X 1至X 4 - 基团, 当R 1含有至少一个硫原子时为SH,当R 1为至少两个X X 1至X 4时,SH 4为SH 不含硫原子。

    Use of polyelectrolytes in the production of leather
    5.
    发明申请
    Use of polyelectrolytes in the production of leather 审中-公开
    在生产皮革时使用聚电解质

    公开(公告)号:US20050210596A1

    公开(公告)日:2005-09-29

    申请号:US10505448

    申请日:2003-03-12

    CPC分类号: C14C1/06 C14C1/08

    摘要: A process for the production of semifinished products and intermediates in the production of leather using one or more organic polyelectrolytes comprises at least one of the following steps: (a) Addition of one or more polyelectrolytes and from 0 to 0.7% by weight, based on the salted weight, of lime immediately before or during liming, (b) addition of one or more polyelectrolytes before or during deliming, (c) addition of one or more polyelectrolytes before or during bating, (d) addition of one or more polyelectrolytes and a total of from 0 to 3% by weight, based on the pelt weight, of alkali metal or alkaline earth metal salt immediately before or in the pickle.

    摘要翻译: 使用一种或多种有机聚电解质在生产皮革中生产半成品和中间体的方法包括以下步骤中的至少一个步骤:(a)加入一种或多种聚电解质和0至0.7重量%,基于 (b)在剥离之前或期间添加一种或多种聚电解质,(c)在或之前加入一种或多种聚电解质,(d)加入一种或多种聚电解质和 基于皮毛重量的0-3重量%的碱金属或碱土金属盐在紧挨之前或之中。

    Method for the production of leather and semifinished products, and formulations that are suitable therefor
    6.
    发明申请
    Method for the production of leather and semifinished products, and formulations that are suitable therefor 审中-公开
    用于生产皮革和半成品的方法,以及适用于其的制剂

    公开(公告)号:US20070101509A1

    公开(公告)日:2007-05-10

    申请号:US10572547

    申请日:2004-09-17

    IPC分类号: C14C1/00

    CPC分类号: C14C3/16 C14C3/22

    摘要: Semifinished products or leather are or is produced by a process in which pelts, pickled pelts or semifinished products are treated with a) at least one sheet silicate and b) at least one copolymer which is obtainable by copolymerization of at least one ethylenically unsaturated dicarboxylic anhydride (A), derived from at least one dicarboxylic acid of 4 to 8 carbon atoms, at least one vinylaromatic compound (B1) or at least one oligomer (B2) of branched or straight-chain C2-C10-alkene, at least one oligomer having an average molecular weight Mn of from 300 to 5 000 g/mol or being obtainable by oligomerization of at least 3 equivalents of C2-C10-alkene, and optionally at least one ethylenically unsaturated monomer (C) differing from (A) and having at least one hetero atom, and reaction with at least one compound (D) of the formula I a or I b and optionally hydrolysis with water or aqueous alkaline solution, where, in formula I a and I b, A1 are identical or different and are C2-C6-alkylene R1 is linear or branched C1-C20-alkyl and n is an integer from 1 to 200.

    摘要翻译: 半成品或皮革是通过以下工艺生产的:其中用a)至少一种片状硅酸盐处理毛皮,腌制的毛皮或半成品,和b)至少一种共聚物,其可通过至少一种烯键式不饱和二羧酸酐 (A),衍生自至少一个4至8个碳原子的二羧酸,至少一种乙烯基芳族化合物(B1)或至少一种支链或直链C 2 - C 10 - 亚烷基,至少一种平均分子量为N 3〜5 000g / mol的低聚物或可通过将至少3当量的 C 2 -C 10 - 烯烃,以及任选至少一种不同于(A)并且具有至少一个杂原子的烯属不饱和单体(C),并且与 至少一种式I a或I b的化合物(D),并且任选地用水或碱性水溶液水解,其中在式I中a a d I b,A 1相同或不同,为C 2 -C 6 - 亚烷基,R 1为 直链或支链C 1 -C 20 - 烷基,n为1至200的整数。

    METHOD FOR REMOVING HORN SUBSTANCES FROM ANIMAL SKIN
    7.
    发明申请
    METHOD FOR REMOVING HORN SUBSTANCES FROM ANIMAL SKIN 审中-公开
    从动物皮肤中去除牛皮质的方法

    公开(公告)号:US20070143930A1

    公开(公告)日:2007-06-28

    申请号:US11682924

    申请日:2007-03-07

    IPC分类号: C14C1/06

    CPC分类号: C14C1/065

    摘要: Horny substances are removed from animal hides by a process wherein animal hides are treated in a liquor comprising from 0.05 to 5% by weight, based on the salted weight, of one or more compounds of the formula I or the corresponding alkali metal or alkaline earth metal or ammonium or phosphonium salts thereof, the variables being defined as follows: R1 is selected from hydrogen and C1-C12-alkyl, unsubstituted or substituted by one or more S—H or O—H groups; X1 to X4 are identical or different and are selected from hydrogen, C1-C4-alkyl, O—H, S—H and N—HR2, R2 is hydrogen or C1-C12-alkyl or a C1-C4-alkyl-C═O group, at least one of the radicals X1 to X4 being S—H, and, if R1 contains neither O—H nor S—H, at least one further radical from among X1 to X4 is selected from S—H, OH and NH—R2, and furthermore with at least one compound which catalyzes the hydrolysis of peptide bonds.

    摘要翻译: 通过一种方法将动物皮肤从动物皮革中去除,其中动物皮由含有0.05至5重量%(以盐重计)的一种或多种式I化合物或相应的碱金属或碱土金属 金属或铵或鏻盐,变量定义如下:R 1选自氢和C 1 -C 12 - 烷基 未取代或被一个或多个SH或OH基取代; X 1至X 4相同或不同,并且选自氢,C 1 -C 4 - C 4 - 烷基 ,OH,SH和N-HR 2,R 2是氢或C 1 -C 12 - C 12 - 烷基 或C 1 -C 4 - 烷基-CO基团,基团X 1至X 4中的至少一个, SUP>为SH,并且如果R 1不包含OH或SH,则X 1至X 4中的至少一个其它基团为 选自SH,OH和NH-R 2,以及至少一种催化肽键水解的化合物。

    Method for the extraction of keratin from dead animal skins
    8.
    发明申请
    Method for the extraction of keratin from dead animal skins 审中-公开
    从死亡动物皮肤中提取角蛋白的方法

    公开(公告)号:US20070124868A1

    公开(公告)日:2007-06-07

    申请号:US10579714

    申请日:2004-11-12

    IPC分类号: C07F9/22 C07F9/28

    摘要: horny substances are removed from hides of dead animals by a process wherein the hides of dead animals are treated with at least one substance of the formula I or at least one corresponding alkali metal, alkaline earth metal, ammonium or phosphonium salt, where R1 and R4 are identical or different and are selected from hydrogen, C6-C14-aryl and C1-C12-alkyl, unsubstituted or substituted by one or more SH or OH groups, R2 and R3 are identical or different and are selected from hydrogen, C6-C14-aryl and C1-C12-alkyl, unsubstituted or substituted by one or more SH or OH groups, at least one radical R2 or R3 not being hydrogen or R1 and R4 not being hydrogen, and it being possible in each case for two vicinal radicals R1 to R4 together to be C3-C10-alkylene, R5 is selected from hydrogen, C1-C12-alkyl, H—C═O or C1-C4-alkyl-C═O, X1, X2, X3 and X4 are selected from OH, SH and NHR5, where, if R1 to R4 contain at least one sulfur atom, at least one radical X1 to X4 is SH, and, if R1 to R4 contain no sulfur atom, at least two radicals X1 to X4 are SH.

    摘要翻译: 角质物质通过其中用至少一种式I物质或至少一种相应的碱金属,碱土金属,铵或鏻盐处理死亡动物的皮肤的方法从死亡动物的皮革中除去,其中R 1和R 4相同或不同,并且选自氢,C 6 -C 14 - 芳基和C 6 - 未取代或被一个或多个SH或OH基团取代的C 1 -C 12 - C 12 - 烷基,R 2和R 3 >相同或不同,并且选自氢,C 6 -C 14 - 芳基和C 1 -C 12 - 未被取代或被一个或多个SH或OH基取代的亚烷基,至少一个R 2或R 3不是氢或R 1, / SUP>和R 4不是氢,并且在每种情况下可以将两个邻位基团R 1至R 4一起成为 C 3 -C 10 - 亚烷基,R 5 s选自氢,C 1 -C 12 - 烷基,HCO或C 1 -C 4 - 烷基 -CO,X 1,X 2,X 3和X 4选自OH,SH和NHR 其中,如果R 1至R 4含有至少一个硫原子,则至少一个基团X 1或O 2 >至X 4是SH,并且如果R 1至R 4不含硫原子,则至少两个基团X 1 至X 4是SH。

    Method for removing horn substances from animal skin
    9.
    发明申请
    Method for removing horn substances from animal skin 失效
    从动物皮肤去除角质物质的方法

    公开(公告)号:US20060037148A1

    公开(公告)日:2006-02-23

    申请号:US10531167

    申请日:2003-10-14

    IPC分类号: C14C1/00

    CPC分类号: C14C1/065

    摘要: The invention relates to a method for removing horn substances from animal skin. Said method is characterised in that animal skins are treated in an aqueous bath containing between 0.05 and 5 wt. %—in relation to the weight of the salt—of at least one compound of general formula I or the corresponding alkali metallic salts or alkaline-earth metallic salts thereof or ammonium or phosphonium salts, the variables having the following definitions: R1 is selected from hydrogen or C1-C12 alkyl, unsubstituted or substituted by at least one S—H group or one O—H group; X1 to X4 are the same or different and selected from hydrogen, C1-C4 alkyl, O—H, S—H or N—HR2; and R2 represents hydrogen or C1-C12 alkyl or a C1-C4-alkyl-C═O group, at least one X1 to X4 representing S—H. If R1 contains neither O—H nor S—H, at least one other X1 to X4 is selected from S—H, OH or NH—R2. Said aqueous bath also comprises at least one compound which catalyses the hydrolysis of peptide compounds.

    摘要翻译: 本发明涉及从动物皮肤去除角质物质的方法。 所述方法的特征在于动物皮肤在含有0.05至5wt。 % - 与至少一种通式I化合物或其相应的碱金属盐或碱土金属盐或铵盐或鏻盐的盐的重量相关,所述变量具有以下定义:R 1选自 氢或C1-C12烷基,未被取代或被至少一个SH基团或一个OH基团取代; X 1〜X 4相同或不同,选自氢,C 1 -C 4烷基,O-H,S-H或N-HR 2; 并且R 2表示氢或C 1 -C 12烷基或C 1 -C 4烷基-C 0基团,至少一个表示S-H的X 1至X 4。 如果R 1既不含O-H也不包含S-H,则至少一个其它的X 1至X 4选自S-H,OH或NH-R 2。 所述水浴还包含至少一种催化肽化合物水解的化合物。

    Method for producing a leather semi-finished product
    10.
    发明申请
    Method for producing a leather semi-finished product 失效
    皮革半成品的制造方法

    公开(公告)号:US20060075573A1

    公开(公告)日:2006-04-13

    申请号:US10531178

    申请日:2003-11-25

    IPC分类号: D06M19/00

    CPC分类号: C14C3/16 C14C3/28

    摘要: A semifinished leather product is produced from an animal hide by pretanning with the use of a chromium-free tanning agent and of a clay mineral which, after stirring for 30 minutes in water at 50° C. at a circumferential rotor speed of from 5 to 25 m/s, has a number average particle diameter of less than 2 μm or a bimodal particle size distribution with a first, finely divided fraction whose number average particle diameter is less than 0.5 μm and a second, coarser fraction whose number average particle diameter is less than 5 μm, determined in each case by the method according to ISO 13320-1, by combined laser light diffraction and light scattering, a proportion of the first, finely divided fraction being from 10 to 90% by weight, and drying of the pretanned animal hide to a water content of from 5 to 45% based on the total weight of the semifinished leather product.

    摘要翻译: 通过使用无铬鞣剂和粘土矿物预处理从动物皮制造半成品皮革制品,其在50℃的水中搅拌30分钟,周向转子速度为5至 25m / s,数均粒径小于2μm,或双峰粒径分布,其数均粒径小于0.5μm的第一微细分数,第二较粗颗粒的数均粒径 通过组合的激光衍射和光散射,通过根据ISO 13320-1的方法在每种情况下确定小于5um,一部分细碎部分的比例为10至90重量%,并干燥 基于半成品​​皮革制品的总重量,预制动物的水分含量为5至45%。