Urea-modified carbodiimide and process for production thereof
    1.
    发明授权
    Urea-modified carbodiimide and process for production thereof 失效
    脲改性碳化二亚胺及其生产方法

    公开(公告)号:US5637769A

    公开(公告)日:1997-06-10

    申请号:US494996

    申请日:1995-06-27

    摘要: The present invention provides: a urea-modified carbodiimide represented by the following general formula ##STR1## (wherein each R is a C.sub.1 -C.sub.12 alkyl group or a C.sub.3 -C.sub.10 cycloalkyl group; each Z is a C.sub.1 -C.sub.12 alkylene group, a C.sub.3 -C.sub.10 cycloalkylene group, a C.sub.4 -C.sub.16 alkylene group having a cyclic or non-cyclic structure, or a C.sub.8 -C.sub.16 alkylene group having an aromatic ring; n is an integer of 1-50; and each m is an integer of 1 or 2), and a process for producing the above urea-modified carbodiimide, which comprises (1) reacting an organic aliphatic diisocyanate represented by the following general formulaO.dbd.C.dbd.N--Z--N.dbd.C.dbd.Owith a primary or secondary organic aliphatic amine to introduce urea bonds into the organic aliphatic diisocyanate and then carbodiimidizing the resulting product in the presence of a carbodiimidization catalyst, or (2) at least partially carbodiimidizing, in the presence of a carbodiimidization catalyst, said organic aliphatic diisocyanate and then reacting the resulting carbodiimide with a primary or secondary organic aliphatic amine to introduce urea bonds into the carbodiimide.The urea-modified carbodiimide of the present invention is free from the problems of the prior art, has good compatibility with polyester resins and other thermoplastic resins, and can improve the heat resistance and hydrolysis resistance of thermoplastic resins.

    摘要翻译: 本发明提供:由以下通式表示的脲改性碳化二亚胺:其中R为C1-C12烷基或C3-C10环烷基;各Z为C1-C12 亚烷基,C 3 -C 10亚环烷基,具有环状或非环状结构的C 4 -C 16亚烷基或具有芳香环的C 8 -C 16亚烷基; n为1-50的整数,m为 1或2的整数),以及上述尿素改性碳二亚胺的制造方法,其包括(1)使由以下通式O = C = NZN = C = O表示的有机脂族二异氰酸酯与伯或仲有机脂族 胺,将脲键引入有机脂族二异氰酸酯中,然后在碳二亚胺化催化剂存在下碳化二亚胺化所得产物,或(2)在碳二亚胺化催化剂存在下至少部分碳二亚胺化所述有机脂族二异氰酸酯,然后使所得产物 g碳二亚胺与一级或二级有机脂族胺,以将脲键引入碳二亚胺。 本发明的尿素改性碳化二亚胺没有现有技术的问题,与聚酯树脂和其它热塑性树脂具有良好的相容性,并且可以提高热塑性树脂的耐热性和耐水解性。

    Printing and recording sheet
    2.
    发明授权
    Printing and recording sheet 失效
    印刷和记录表

    公开(公告)号:US06177197B1

    公开(公告)日:2001-01-23

    申请号:US09079216

    申请日:1998-05-15

    IPC分类号: B41M500

    摘要: A printing and recording sheet comprises a substrate and an ink receiving layer of a crosslinked product of a composition which comprises a polymer resin and a crosslinking agent comprising a water-soluble or dispersible carbodiimide compound which is a condensation reaction product obtained by decarbonation condensation of at least one diisocyanate or a mixture of at least one diisocyanate and at least one triisocyanate. The reaction product is blocked at terminal isocyanate groups with a hydrophilic group.

    摘要翻译: 印刷和记录片材包括基材和组合物的交联产物的油墨接收层,所述组合物包含聚合物树脂和交联剂,所述交联剂包含水溶性或分散性碳二亚胺化合物,所述缩合反应产物是通过脱碳酸缩合获得的缩合反应产物 至少一种二异氰酸酯或至少一种二异氰酸酯和至少一种三异氰酸酯的混合物。 反应产物在具有亲水基团的末端异氰酸酯基团处封端。

    Hydrolysis stabilizer for ester group-containing resin
    4.
    发明授权
    Hydrolysis stabilizer for ester group-containing resin 有权
    含酯基树脂的水解稳定剂

    公开(公告)号:US6126860A

    公开(公告)日:2000-10-03

    申请号:US219352

    申请日:1998-12-23

    CPC分类号: C08K5/29

    摘要: A hydrolysis stabilizer for an ester group-containing resin, which comprises as a main component a carbodiimide having at least two carbodiimide groups in the molecule and resulting from 4,4'-dicyclohexylmethane diisocyanate, isophorone diisocyanate or a mixture of 4,4'-dicyclohexylmethane diisocyanate and isophorone diisocyanate, or from a mixture of tetramethylxylylene diisocyanate with 4,4'-dicyclohexylmethane diisocyanate, isophorone diisocyanate or a mixture of 4,4'-dicyclohexylmethane diisocyanate and isophorone diisocyanate; and a process for the hydrolysis stabilization of an ester group-containing resin, which comprises mixing a polyester type resin with the above hydrolysis stabilizer.

    摘要翻译: 用于含酯基树脂的水解稳定剂,其包含作为主要组分的分子中具有至少两个碳二亚胺基团的碳二亚胺,由4,4'-二环己基甲烷二异氰酸酯,异佛尔酮二异氰酸酯或4,4'-二环己基甲烷二异氰酸酯的混合物, 二环己基甲烷二异氰酸酯和异佛尔酮二异氰酸酯,或四甲基亚二甲苯基二异氰酸酯与4,4'-二环己基甲烷二异氰酸酯的混合物,异佛尔酮二异氰酸酯或4,4'-二环己基甲烷二异氰酸酯与异佛尔酮二异氰酸酯的混合物; 以及含酯基树脂的水解稳定化方法,其包括将聚酯型树脂与上述水解稳定剂混合。

    Polyurethane resins
    6.
    发明授权
    Polyurethane resins 失效
    聚氨酯树脂

    公开(公告)号:US6153718A

    公开(公告)日:2000-11-28

    申请号:US338508

    申请日:1999-06-23

    摘要: A polyurethane resin obtained from a diol component and a diisocyanate component by an ordinary process, wherein the diisocyanate component comprises:at least one kind of unmodified diisocyanate, andat least one kind of carbodiimide-modified aromatic diisocyanate having, at one or both of the ortho positions of the two isocyanate groups, an aliphatic, alicyclic or aromatic substituent of one or more carbon atoms, or at least one kind of carbodiimide-modified aliphatic diisocyanate wherein at least one of the two carbons each bonded with an isocyanate group is di- or tri-substituted, and the molar ratio of the unmodified diisocyanate and the carbodiimide-modified diisocyanate is 35-0.1:1. The polyurethane resin containing carbodiimide bonds in the molecular chain alleviates the problems of the prior art and exhibits hydrolysis resistance stably over a long period of time without losing the carbodiimide bonds out of the molecule.

    摘要翻译: 通过常规方法由二醇组分和二异氰酸酯组分得到的聚氨酯树脂,其中所述二异氰酸酯组分包括:至少一种未改性的二异氰酸酯和至少一种碳二亚胺改性的芳族二异氰酸酯,所述二异氰酸酯在一个或两个 两个异氰酸酯基的邻位,一个或多个碳原子的脂族,脂环族或芳族取代基,或至少一种碳二亚胺改性的脂族二异氰酸酯,其中每个与异氰酸酯基团键合的两个碳中的至少一个是二 或三取代,未改性二异氰酸酯与碳二亚胺改性二异氰酸酯的摩尔比为35〜0.1:1。 在分子链中含有碳二亚胺键的聚氨酯树脂缓解了现有技术的问题,并且在长时间内稳定地表现出耐水解性,而不会损失分子内的碳二亚胺键。

    Method for control of biodegradation rate of biodegradable plastic
    7.
    发明授权
    Method for control of biodegradation rate of biodegradable plastic 失效
    生物降解塑料生物降解速率控制方法

    公开(公告)号:US5973024A

    公开(公告)日:1999-10-26

    申请号:US98717

    申请日:1998-06-17

    IPC分类号: C08K5/29

    CPC分类号: C08K5/29 C08G18/025 C08G18/71

    摘要: The present invention provides a biodegradable plastic composition obtained by adding a carbodiimide compound to a biodegradable plastic, and a method for control of biodegradation rate of biodegradable plastic, which comprises adding a carbodiimide compound to a biodegradable plastic. According to the present invention, the biodegradation rate of biodegradable plastic can be controlled stably.

    摘要翻译: 本发明提供了一种通过将碳二亚胺化合物加入可生物降解的塑料得到的可生物降解的塑料组合物,以及用于控制生物可降解塑料的生物降解速率的方法,其包括将碳二亚胺化合物加入到可生物降解的塑料中。 根据本发明,能够稳定地控制生物降解性塑料的生物降解率。

    Hydrolysis stabilizer for ester group-containing resin
    10.
    发明授权
    Hydrolysis stabilizer for ester group-containing resin 失效
    含酯基树脂的水解稳定剂

    公开(公告)号:US5912290A

    公开(公告)日:1999-06-15

    申请号:US789100

    申请日:1997-01-27

    摘要: The present invention provides:a hydrolysis stabilizer for ester group-containing resin, comprising, as the main component, a carbodiimide which is derived from tetramethylxylylene diisocyanate, and which has remaining isocyanate groups in an amount of 3% by weight or less or has the terminal isocyanate groups blocked with a monoisocyanate(s); anda method for hydrolysis stabilization of ester group-containing resin, which comprises mixing an ester group-containing resin with a carbodiimide which is derived from tetramethylxylylene diisocyanate represented by the above formula and which has remaining isocyanate groups in an amount of 3% by weight or less or has the terminal isocyanate groups blocked with a monoisocyanate(s).

    摘要翻译: 本发明提供:含有酯基的树脂的水解稳定剂,作为主要成分,含有衍生自四甲基亚二甲苯基二异氰酸酯的碳二亚胺,剩余的异氰酸酯基的量为3重量%以下, 用单异氰酸酯封端的末端异氰酸酯基团; 和含酯基树脂的水解稳定化方法,其包括将含酯基的树脂与由上式表示的四甲基亚二甲苯基二异氰酸酯衍生的碳二亚胺混合,其中剩余的异氰酸酯基的量为3重量% 或具有用单异氰酸酯封端的末端异氰酸酯基团。