PREPARATION OF ALKYLIMIDAZOLIDONE (METH)ACRYLATES IN WATER
    1.
    发明申请
    PREPARATION OF ALKYLIMIDAZOLIDONE (METH)ACRYLATES IN WATER 失效
    水中的丙烯酰胺(甲基)丙烯酸酯的制备

    公开(公告)号:US20110049423A1

    公开(公告)日:2011-03-03

    申请号:US12988351

    申请日:2009-04-08

    IPC分类号: C09K3/00

    CPC分类号: C07D233/34

    摘要: The invention relates to special (methyl)acrylaic monomers and concerns more particularly an enhanced process for preparing solutions of alkylimiozolidone (meth)acrylates in water solutions of alkylimidazolidone (meth)acrylates in a light (meth)acrylate.

    摘要翻译: 本发明涉及特殊的(甲基)丙烯酸单体,更特别地涉及一种在轻质(甲基)丙烯酸酯中烷基咪唑烷酮(甲基)丙烯酸酯的水溶液中制备烷基亚氨基二酮(甲基)丙烯酸酯的溶液的增强方法。

    Process for the preparation of alkylimidazolidone (meth)acrylates
    2.
    发明授权
    Process for the preparation of alkylimidazolidone (meth)acrylates 失效
    制备烷基咪唑烷酮(甲基)丙烯酸酯的方法

    公开(公告)号:US5744613A

    公开(公告)日:1998-04-28

    申请号:US733266

    申请日:1996-10-17

    CPC分类号: C07D233/32

    摘要: To obtain a compound of formula (I), an anhydride (II) is reacted with a heterocyclic alcohol (III). After the reaction, the excess (meth)acrylic anhydride can be hydrolysed to (meth)acrylic acid by addition of water and heating between 25.degree. and 70.degree. C., preferably between 30.degree. and 50.degree. C., in order to obtain the compound (I) in solution in water and (meth)acrylic acid: ##STR1## R.sup.1 .dbd.H or CH.sub.3 ; A and B each independently represent a straight- or branched-chain C.sub.2 -C.sub.5 alkylene group.

    摘要翻译: 为了得到式(I)化合物,使酸酐(II)与杂环醇(III)反应。 反应后,过量的(甲基)丙烯酸酐可以通过加水并加热至25℃至70℃,优选在30℃至50℃之间水解成(甲基)丙烯酸,以获得 水溶液中的化合物(I)和(甲基)丙烯酸:(I)和B各自独立地表示直链或支链的C 2 -C 5亚烷基。

    Preparation of alkylimidazolidone (meth)acrylates in water
    3.
    发明授权
    Preparation of alkylimidazolidone (meth)acrylates in water 失效
    在水中制备烷基咪唑烷酮(甲基)丙烯酸酯

    公开(公告)号:US08431716B2

    公开(公告)日:2013-04-30

    申请号:US12988351

    申请日:2009-04-08

    CPC分类号: C07D233/34

    摘要: The invention relates to special (methyl)acrylaic monomers and concerns more particularly an enhanced process for preparing solutions of alkylimiozolidone (meth)acrylates in water solutions of alkylimidazolidone (meth)acrylates in a light (meth)acrylate.

    摘要翻译: 本发明涉及特殊的(甲基)丙烯酸单体,更特别地涉及一种在轻质(甲基)丙烯酸酯中烷基咪唑烷酮(甲基)丙烯酸酯的水溶液中制备烷基亚氨基二酮(甲基)丙烯酸酯的溶液的增强方法。

    Method for making mixed high purity (meth)acrylic anhydrides
    4.
    发明授权
    Method for making mixed high purity (meth)acrylic anhydrides 失效
    混合高纯度(甲基)丙烯酸酐的方法

    公开(公告)号:US06346650B1

    公开(公告)日:2002-02-12

    申请号:US09601240

    申请日:2000-07-31

    IPC分类号: C07C5156

    CPC分类号: C07C68/02 C07C69/96

    摘要: The invention concerns a method consisting in making a mixed (meth)acrylic anhydride of formula (I) by reacting an alkaline (meth)acrylate of formula (II) and a chloroformate of formula (III), carrying out said reaction in an aqueous medium and in the absence of amines, the mol ratio chloroformate (III)/alkaline (meth)acrylate (II) being at least equal to 1.15. R1 represents H or CH3; R2 represents an alkyl, alkenyl, aryl, alkaryl or aralkyl residue; and M is an alkaline metal.

    摘要翻译: 本发明涉及通过使式(II)的碱式(甲基)丙烯酸酯与式(III)的氯甲酸酯在水性介质中进行所述反应而制备式(I)的混合(甲基)丙烯酸酐的方法 在不存在胺的情况下,氯甲酸酯(III)/碱性(甲基)丙烯酸酯(II)的摩尔比至少等于1.15。 R1表示H或CH3; R 2表示烷基,烯基,芳基,烷芳基或芳烷基残基; M是碱金属。

    METHOD FOR THE PRODUCTION OF (METH)ACRYLIC ANHYDRIDE
    5.
    发明申请
    METHOD FOR THE PRODUCTION OF (METH)ACRYLIC ANHYDRIDE 审中-公开
    (甲基)丙烯酸酐的制备方法

    公开(公告)号:US20090234161A1

    公开(公告)日:2009-09-17

    申请号:US11718045

    申请日:2005-10-18

    申请人: Jean-Michel Paul

    发明人: Jean-Michel Paul

    IPC分类号: C07C57/00

    摘要: The present invention relates to an improved method for manufacturing (meth)acrylic anhydride by transanhydrization between (meth)acrylic acid and acetic anhydride, in the presence of air and in the presence of at least one polymerization inhibitor, characterized in that the polymerization inhibitor is chosen from the group formed from (a) metal salts of thiocarbamic or dithiocarbamic acid and their mixtures with a phenolic derivative or phenothiazine and its derivatives, and (b) N-oxyl compounds as a mixture with 2,6-di-tert-butyl-4-methylphenol taken alone or in the presence of 2,4-dimethyl-6-tert-butylphenol.

    摘要翻译: 本发明涉及一种通过在(甲基)丙烯酸和乙酸酐之间的空气中和在存在至少一种阻聚剂的情况下通过间氢解制备(甲基)丙烯酸酐的改进方法,其特征在于阻聚剂是 选自(a)由(a)硫代氨基甲酸或二硫代氨基甲酸的金属盐及其与酚衍生物或吩噻嗪及其衍生物的混合物形成的基团,和(b)N-氧基化合物与2,6-二叔丁基 -4-甲基苯酚单独或在2,4-二甲基-6-叔丁基苯酚存在下进行。

    Process for manufacturing silanized (meth)acrylates
    7.
    发明授权
    Process for manufacturing silanized (meth)acrylates 失效
    制造硅烷化(甲基)丙烯酸酯的方法

    公开(公告)号:US06780952B2

    公开(公告)日:2004-08-24

    申请号:US10189778

    申请日:2002-07-08

    IPC分类号: C08F11804

    CPC分类号: C07F7/1892 C07F7/20

    摘要: The silanized (meth)acrylate (I) is manufactured by reacting the anhydride (II) with a silanized compound (III). This process gives a crude mixture containing compound (IV) in addition to compound (I), after which the said mixture may be freed of the lightest compounds by distillation or may be subjected to a distillation to obtain the pure compound (I). R=H or Me; R1, R2, R3=linear or branched C1-C10 alkyl, aryl or aralkyl, these radicals possibly being substituted and possibly containing hetero atoms; R4=H or a radical falling within the definition given above for R1, R2 and R3.

    摘要翻译: 硅烷化(甲基)丙烯酸酯(I)通过酸酐(II)与硅烷化化合物(III)反应制备。 除了化合物(I)之外,该方法还提供含有化合物(IV)的粗混合物,之后可以通过蒸馏除去最轻的化合物,或者进行蒸馏以得到纯的化合物(I)。 = H或Me; R 1,R 2,R 3 =直链或支链C 1 -C 10烷基,芳基或芳烷基,这些基团可能被取代并且可能含有杂原子; R 4 = H或上述R 1,R 2和R 3中定义的基团。

    Method for preparing (meth)acrylic anhydride
    8.
    发明授权
    Method for preparing (meth)acrylic anhydride 失效
    制备(甲基)丙烯酸酐的方法

    公开(公告)号:US08097757B2

    公开(公告)日:2012-01-17

    申请号:US12863033

    申请日:2009-01-27

    IPC分类号: C07C51/56 C07C53/00

    摘要: The present invention relates to an improved method for preparing (meth)acrylic anhydride (A(M)A2O) by transanhydrification between (meth)acrylic acid and acetic anhydride in the presence of at least one polymerization inhibitor, in which reaction to the point of partial conversion of the reagents is carried out, followed by continuous distillation. With the method according to the invention, it is possible to produce I1A(M)A2O of very high purity under improved productivity conditions compared to existing methods while eliminating problems of reactor fouling.

    摘要翻译: 本发明涉及通过(甲基)丙烯酸和乙酸酐在至少一种聚合抑制剂的存在下的跨氢化制备(甲基)丙烯酸酐(A(M)A 2 O)的改进方法, 进行试剂的部分转化,接着进行连续蒸馏。 利用根据本发明的方法,与现有方法相比,在提高的生产率条件下可以产生非常高纯度的I1A(M)A2O,同时消除反应堆结垢的问题。

    Method for the synthesis of (meth)acrylic esters catalysed by a polyol titanate
    9.
    发明授权
    Method for the synthesis of (meth)acrylic esters catalysed by a polyol titanate 有权
    用于合成由多元醇钛酸酯催化的(甲基)丙烯酸酯的方法

    公开(公告)号:US08067633B2

    公开(公告)日:2011-11-29

    申请号:US12517086

    申请日:2007-11-30

    申请人: Jean-Michel Paul

    发明人: Jean-Michel Paul

    IPC分类号: C07C67/02

    CPC分类号: C07C213/06 C07C219/08

    摘要: The subject of the invention is a method for the synthesis of (meth)acrylic esters by transesterification in the presence of a catalyst corresponding to the formula [(R′O)3Ti]xR″ in which R′ is a linear or branched alkyl radical having from 2 to 8 carbon atoms which may contain heteroatoms or R′ is a phenyl radical, R′ is a polyfunctional radical, originating from a polyol R′(OH)x comprising x alcohol functional groups and x is an integer ranging from 2 to 6. The method according to the invention is particularly well suited to the synthesis of dialkylaminoalkyl (meth)acrylates from methyl (meth)acrylate and a dialkylaminoalcohol.

    摘要翻译: 本发明的主题是通过在对应于式[(R'O)3 Ti] xR“的催化剂存在下通过酯交换合成(甲基)丙烯酸酯的方法,其中R'是直链或支链烷基 具有2至8个可含有杂原子的碳原子或R'是苯基,R'是多官能团,源自包含x醇官能团的多元醇R'(OH)x,x是2- 6.根据本发明的方法特别适用于从(甲基)丙烯酸甲酯和二烷基氨基醇合成二烷基氨基烷基(甲基)丙烯酸酯。

    METHOD FOR PREPARING (METH)ACRYLIC ANHYDRIDE
    10.
    发明申请
    METHOD FOR PREPARING (METH)ACRYLIC ANHYDRIDE 失效
    制备(甲基)丙烯酰胺的方法

    公开(公告)号:US20100317892A1

    公开(公告)日:2010-12-16

    申请号:US12863033

    申请日:2009-01-27

    IPC分类号: C07C51/56

    摘要: The present invention relates to an improved method for preparing (meth)acrylic anhydride (A(M)A2O) by transanhydrification between (meth)acrylic acid and acetic anhydride in the presence of at least one polymerization inhibitor, in which reaction to the point of partial conversion of the reagents is carried out, followed by continuous distillation. With the method according to the invention, it is possible to produce I1A(M)A2O of very high purity under improved productivity conditions compared to existing methods while eliminating problems of reactor fouling.

    摘要翻译: 本发明涉及通过(甲基)丙烯酸和乙酸酐在至少一种聚合抑制剂的存在下的跨氢化制备(甲基)丙烯酸酐(A(M)A 2 O)的改进方法, 进行试剂的部分转化,接着进行连续蒸馏。 利用根据本发明的方法,与现有方法相比,在提高的生产率条件下可以产生非常高纯度的I1A(M)A2O,同时消除反应堆结垢的问题。