Stable phenolic resin polymer dispersions having low free aldehyde content
    2.
    发明授权
    Stable phenolic resin polymer dispersions having low free aldehyde content 有权
    稳定的酚醛树脂聚合物分散体具有低游离醛含量

    公开(公告)号:US07671097B2

    公开(公告)日:2010-03-02

    申请号:US11135635

    申请日:2005-05-24

    IPC分类号: B01F3/12 C08L61/06

    摘要: Stable dispersions of phenolic resins, particularly bisphenol-A/formaldehyde resins, for use in e.g., baking enamels, coatings, adhesives, binders, etc., are disclosed. The dispersions have low levels (e.g.,

    摘要翻译: 公开了用于例如烘烤搪瓷,涂料,粘合剂,粘合剂等的酚醛树脂,特别是双酚A /甲醛树脂的稳定分散体。 分散体具有低水平(例如,<0.1重量%)的游离醛,从而减少与醛排放相关的环境危害。 在制备过程中使用三聚氰胺作为醛清除剂可获得低游离醛水平。 现在已经发现,与其它醛类清除剂相反,三聚氰胺对分散稳定性没有不利影响,干扰后续加工操作或者对最终树脂产品质量(例如,固化后)产生负面影响。

    Alkoxylated alkylphenol-arylaldehyde polymer
    3.
    发明申请
    Alkoxylated alkylphenol-arylaldehyde polymer 审中-公开
    烷氧基化烷基酚 - 芳基醛聚合物

    公开(公告)号:US20040266973A1

    公开(公告)日:2004-12-30

    申请号:US10602519

    申请日:2003-06-24

    IPC分类号: C08G008/04 C08G014/02

    CPC分类号: C08G8/04 C08G14/02 C10G33/04

    摘要: An alkoxylated alkylphenol-arylaldehyde polymer prepared by alkoxylating an alkylphenol-arylaldehyde polymer and use of the alkyoxylated alkylphenol-arylaldehyde polymer to resolve water-in-oil emulsions, especially emulsions of water in crude oil.

    摘要翻译: 通过将烷基酚 - 芳基醛聚合物烷氧基化并使用烷氧基化烷基酚 - 芳基醛聚合物来分解油包水乳液,特别是原油中的水的乳液制备的烷氧基化烷基酚 - 芳基醛聚合物。

    BINDER COMPOSITION FOR MAKING SELF-HARDENING FOUNDRY MOLDS, AND METHOD OF PRODUCING FOUNDRY MOLD USING THE SAME
    8.
    发明申请
    BINDER COMPOSITION FOR MAKING SELF-HARDENING FOUNDRY MOLDS, AND METHOD OF PRODUCING FOUNDRY MOLD USING THE SAME 有权
    用于制造自硬基材的粘合剂组合物,以及使用该方法生产基体模具的方法

    公开(公告)号:US20140296372A1

    公开(公告)日:2014-10-02

    申请号:US14342183

    申请日:2012-08-31

    IPC分类号: B22C1/16

    摘要: The present invention relates to a binder composition for making self-hardening foundry molds that is capable of improving the hardening speed of the molds and the strength of the molds, and is excellent in storage stability; and a method for producing a foundry mold, using this composition. The binder composition for making self-hardening foundry molds of the present invention is a binder composition for making self-hardening foundry molds, comprising a furan resin and an ion compound, wherein the ion compound contains at least one anion selected from the group consisting of a hydrogensulfite ion, a sulfite ion, a pyrosulfite ion, a thiosulfate ion, a thionate ion, and a dithionite ion; the content of the anion is from 0.006 to 0.60 parts by weight for 100 parts by weight of the furan resin; and the composition has a pH of 6 or less at 25° C.

    摘要翻译: 本发明涉及一种能够提高模具的硬化速度和模具强度的自硬硬化模具的粘合剂组合物,并且储存稳定性优异; 以及使用该组合物制造铸造模具的方法。 用于制造本发明的自硬铸造模具的粘合剂组合物是用于制造自硬硬化铸造模具的粘合剂组合物,其包含呋喃树脂和离子化合物,其中所述离子化合物包含至少一种选自以下的阴离子: 亚硫酸氢根离子,亚硫酸根离子,焦亚硫酸根离子,硫代硫酸根离子,硫酸根离子和连二亚硫酸根离子; 对于100重量份的呋喃树脂,阴离子的含量为0.006至0.60重量份; 并且组合物在25℃下的pH为6以下