Cure-accelerator for epoxy resin
    1.
    发明授权
    Cure-accelerator for epoxy resin 失效
    环氧树脂固化促进剂

    公开(公告)号:US5892111A

    公开(公告)日:1999-04-06

    申请号:US925426

    申请日:1997-09-08

    申请人: Susumu Jinbo

    发明人: Susumu Jinbo

    摘要: A cure-accelerator for an epoxy resin, which comprises a compound of the formula (I),R.sub.1 R.sub.2 NCONH--Ar--NECONR.sub.3 R.sub.4 (I)wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are C.sub.1 -C.sub.3 lower alkyl groups which may be the same or different, and Ar is a substituted tolylene group of the formula (II) ##STR1## (wherein R.sub.5 and R.sub.6 are C.sub.1 -C.sub.4 lower alkyl groups which may be the same or different) or a 1,5-naphthylene group.

    摘要翻译: 环氧树脂的固化促进剂,其包含式(I)化合物,R1R2NCONH-Ar-NECONR3R4(Ⅰ),其中R1,R2,R3和R4是可以相同或不同的C1-C3低级烷基 ,Ar为式(II)的取代亚苯基(IMA)(其中R 5和R 6为可相同或不同的C 1 -C 4低级烷基)或1,5-亚萘基。

    Carboxyl group-containing polyoxyalkylene derivative
    2.
    发明授权
    Carboxyl group-containing polyoxyalkylene derivative 失效
    含羧基的聚氧化烯衍生物

    公开(公告)号:US5502152A

    公开(公告)日:1996-03-26

    申请号:US372250

    申请日:1995-01-13

    摘要: Disclosed is a polyoxyalkylene derivative which is useful for a carboxyl group-containing polyurethane resin, can easily introduce a carboxyl group into a polyurethane resin skeleton, and has a low melting point or is in a liquid state at normal temperature. The polyoxyalkylene derivative is represented by formula (I): ##STR1## wherein R.sub.1 represents a hydrogen atom or an alkyl group having from 1 to 3 carbon atoms; R.sub.2 represents an alkylene group having from 1 to 6 carbon atoms or an arylene group having from 6 to 8 carbon atoms; A represents an alkylene group having from 4 to 7 carbon atoms; B represents an alkylene group having from 2 to 6 carbon atoms; l represents from 0 to 2; m represents from 0.1 to 35; n represents from 0.1 to 50; and 0.5

    摘要翻译: 公开了可用于含羧基的聚氨酯树脂的聚氧化烯衍生物,可容易地将羧基引入聚氨酯树脂骨架中,并且在常温下具有低熔点或处于液态。 聚氧化烯衍生物由式(I)表示:其中R 1表示氢原子或具有1至3个碳原子的烷基; R2表示碳原子数1〜6的亚烷基或碳原子数6〜8的亚芳基。 A表示具有4至7个碳原子的亚烷基; B表示具有2至6个碳原子的亚烷基; l表示0〜2; m表示0.1〜35; n表示0.1〜50; 和0.5 <(m + n)<50。

    Process for producing 4,4'-dihydroxybiphenyl
    3.
    发明授权
    Process for producing 4,4'-dihydroxybiphenyl 失效
    制备4,4'-二羟基联苯的方法

    公开(公告)号:US4340768A

    公开(公告)日:1982-07-20

    申请号:US196756

    申请日:1980-10-14

    CPC分类号: C07C37/72 C07C37/02

    摘要: 4,4'-Dihydroxybiphenyl is produced by hydrolyzing 4,4'-dibromobiphenyl in the presence of a copper compound catalyst in an alkaline aqueous solution; extracting by-products from the alkaline aqueous solution with an alcohol or ketone which forms an organic phase; neutralizing or acidifying the alkaline aqueous solution with an acid; extracting the reaction product with the specific solvent; and crystallizing the reaction product from the extracted solution to obtain 4,4'-dihydroxybiphenyl having high purity.

    摘要翻译: 在铜化合物催化剂存在下,在碱性水溶液中水解4,4'-二溴联苯来制备4,4'-二羟基联苯; 用形成有机相的醇或酮从碱性水溶液中萃取副产物; 用酸中和或酸化碱性水溶液; 用特定溶剂萃取反应产物; 并从提取的溶液中使反应产物结晶,得到高纯度的4,4'-二羟基联苯。

    Cure-accelerator for epoxy resin
    4.
    发明授权
    Cure-accelerator for epoxy resin 失效
    环氧树脂固化促进剂

    公开(公告)号:US5719320A

    公开(公告)日:1998-02-17

    申请号:US629223

    申请日:1996-04-08

    申请人: Susumu Jinbo

    发明人: Susumu Jinbo

    摘要: A cure-accelerator for an epoxy resin, which comprises a compound of the formula (I), R.sub.1 R.sub.2 NCONH--Ar--NHCONR.sub.3 R.sub.4 (I) wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are C.sub.1 -C.sub.3 lower alkyl groups which may be the same or different, and Ar is a substituted tolylene group of the formula (II) ##STR1## wherein R.sub.5 and R.sub.6 are C.sub.1 -C.sub.4 lower alkyl groups which may be the same or different) or a 1,5-naphthylene group.

    摘要翻译: 环氧树脂的固化促进剂,其包含式(I)化合物,R1R2NCONH-Ar-NHCONR3R4(Ⅰ),其中R1,R2,R3和R4是可以相同或不同的C1-C3低级烷基 和Ar是式(II)的取代的亚甲硅基,其中R 5和R 6是可以相同或不同的C 1 -C 4低级烷基)或1,5-亚萘基。

    4-Oximino-1,2,3,4-tetrahydroquinoline derivatives
    5.
    发明授权
    4-Oximino-1,2,3,4-tetrahydroquinoline derivatives 失效
    4-肟基-1,2,3,4-四氢喹啉衍生物

    公开(公告)号:US4421919A

    公开(公告)日:1983-12-20

    申请号:US281243

    申请日:1981-07-07

    摘要: 4-oximino-1,2,3,4-tetrahydroquinoline derivatives of the formula (I): ##STR1## wherein X represents a halogen atom and Y represents a hydrogen atom, a straight-chain or branched-chain alkyl group, a halogen-substituted lower alkyl group, a phenylalkyl group, a phenylalkenyl group, an unsubstituted or halogen-substituted phenyl group, a nitrogen-containing aromatic group, a straight-chain or branched-chain alkoxy group or an alkyl-substituted or phenyl-substituted amino group.

    摘要翻译: 式(I)的4-肟基-1,2,3,4-四氢喹啉衍生物:其中X表示卤素原子,Y表示氢原子,直链或支链烷基 卤素取代的低级烷基,苯基烷基,苯基烯基,未取代或卤素取代的苯基,含氮芳族基团,直链或支链烷氧基或烷基取代或苯​​基 取代的氨基。