Epoxy resin pre-advanced with carboxyl-containing polyester and advanced
with bisphenol
    1.
    发明授权
    Epoxy resin pre-advanced with carboxyl-containing polyester and advanced with bisphenol 失效
    环氧树脂预先用含羧基的聚酯和先进的双酚

    公开(公告)号:US6103825A

    公开(公告)日:2000-08-15

    申请号:US70662

    申请日:1998-04-30

    摘要: Epoxy resins which are obtainable by a process in which, first of all(a) by reacting(A1) at least one substance selected from the substances of the formula (I) and of the formula (II): ##STR1## in which Alc is the radical of a diol which has been freed fromI ts hydroxyl groups and comprises 2 to 20 carbon atoms,Ac is the radical of a dicarboxylic acid which has been freed from its carboxyl groups and comprises 2 to 20 carbon atoms,[Ph] is the radical of a difunctional phenolic compound which has been freed from its phenolic hydroxyl groups and has 6 to 20 carbon atoms, andc is a number greater than 1 but not more than 2, with(A2) at least one liquid diglycidyl ether based on a first bisphenol compound in an amount chosen so that there are more than two equivalents of glycidyl groups of component (A2) for a total of one equivalent of carboxyl and phenolic hydroxyl groups of component (A1),a pre-advanced diglycidyl ether resin is formed in dispersion in the liquid diglycidyl ether of which there is at least one, and subsequently(b) the resin dispersion obtained in accordance with (a) is reacted with a phenol component comprising at least one bisphenol compound which is identical to or different from the first bisphenol compound, the amount of the phenol component being chosen so that in the mixture of the resin dispersion and the phenol component the glycidyl groups prior to the reaction are in a stoichiometric excess over the phenolic hydroxyl groups.

    摘要翻译: 环氧树脂可以通过以下方法获得:首先(a)通过(A1)选自式(I)和式(II)的物质中的至少一种物质:其中Alc是基团 的二醇,其已经脱离了羟基并且包含2至20个碳原子,Ac是已经脱离其羧基并且包含2至20个碳原子的二羧酸的基团,[Ph]是基团 的二官能酚类化合物,其已经脱离其酚羟基并且具有6至20个碳原子,c是大于1但不大于2的数,其中(A2)基于第一个(A2)的至少一种液体二缩水甘油醚 双酚化合物的量选择为使得组分(A2)的总共1当量的羧基和酚羟基具有多于2当量的缩水甘油基,组分(A1)的羧基和酚羟基的总数,预先的二缩水甘油醚树脂形成在 分散在液体中的二缩水甘油醚 h中至少有一个,随后(b)将根据(a)获得的树脂分散体与包含至少一种与第一双酚化合物相同或不同的双酚化合物的酚组分反应, 苯酚组分的选择使得在树脂分散体和酚组分的混合物中,反应前的缩水甘油基的化学计量过量超过酚羟基。

    Reacting diglycidyl, bisphenol and monophenol with catalyst and mixing with polyglycidyl
    2.
    发明授权
    Reacting diglycidyl, bisphenol and monophenol with catalyst and mixing with polyglycidyl 失效
    用催化剂反应二缩水甘油基,双酚和单酚,并与聚缩水甘油混合

    公开(公告)号:US06350825B1

    公开(公告)日:2002-02-26

    申请号:US09605193

    申请日:2000-06-28

    IPC分类号: C08G5914

    摘要: An epoxy resin mixture is prepared by a) the reaction of (i) a diglycidyl compound, (ii) a bisphenol compound and (iii) at least one monophenol at temperatures of from 160 to 170° C. in the presence of an advancement catalyst that can be thermally deactivated, (b) upon completion of the reaction, the catalyst is deactivated by heating to a temperature of approximately 180° C. wherein (A1) one or more epoxy resins having an epoxy functionality of greater than two is added, and c) the resulting epoxy resin mixture is homogenized at that temperature.

    摘要翻译: 通过以下步骤制备环氧树脂混合物:a)在先进催化剂存在下,(i)二缩水甘油基化合物,(ii)双酚化合物和(iii)至少一种单酚在160-170℃的温度下反应, (b)反应完成后,通过加热至约180℃的温度使催化剂失活。其中(A1)加入一种或多种环氧官能度大于2的环氧树脂, 和c)在该温度下将得到的环氧树脂混合物均化。

    Powder coating composition of epoxy resin mixture and
carboxyl-containing polyester
    3.
    发明授权
    Powder coating composition of epoxy resin mixture and carboxyl-containing polyester 失效
    环氧树脂混合物和含羧基聚酯的粉末涂料组合物

    公开(公告)号:US6117952A

    公开(公告)日:2000-09-12

    申请号:US19636

    申请日:1998-02-06

    摘要: A powder coating composition comprising(A) a solid epoxy resin mixture that comprises at least one epoxy resin component (A1) and one epoxy resin component (A2) and(B) a free-carboxyl-group-containing polyester in an amount sufficient for the full cure of the composition,in which the epoxy resin component (A1) consists of one or more epoxy resins and has overall a mean epoxy functionality that is greater than 2,wherein the epoxy resin component (A2) consists of one or more advanced epoxy resins each of which has a mean epoxy functionality of at least 1.2 but less than 1.95 and is the product of a reaction in which (i) at least one diglycidyl compound is simultaneously reacted with (ii) at least one bisphenol compound and (iii) at least one monophenol as starting materials, and the difference between the mean epoxy functionality of the epoxy resin mixture (A) and the mean epoxy functionality of component (A2) of the mixture is at least 0.05 but less than 0.8.

    摘要翻译: 一种粉末涂料组合物,其包含(A)固体环氧树脂混合物,其包含至少一种环氧树脂组分(A1)和一种环氧树脂组分(A2)和(B)含游离羧基的聚酯,其量足以 组合物的完全固化,其中环氧树脂组分(A1)由一种或多种环氧树脂组成并且具有大于2的平均环氧官能度,其中环氧树脂组分(A2)由一种或多种先进的 环氧树脂各自具有至少1.2但小于1.95的平均环氧官能度,并且是其中(i)至少一种二缩水甘油基化合物同时与(ii)至少一种双酚化合物反应的反应的产物,和(iii) )至少一种单酚作为原料,并且环氧树脂混合物(A)的平均环氧官能度与组分(A2)的平均环氧官能度之间的差异为至少0.05但小于0.8。