Aqueous starch slurry adhesive
    2.
    发明授权
    Aqueous starch slurry adhesive 失效
    水性淀粉糊

    公开(公告)号:US5096491A

    公开(公告)日:1992-03-17

    申请号:US554192

    申请日:1990-07-16

    IPC分类号: C09J103/02 C09J103/00

    CPC分类号: C09J103/00

    摘要: The present invention relates to a high concentration aqueous starch slurry adhesive comprising 20 to 60% of starch and the following components in the specified amount based on the weight of starch:(1) 0.01 to 1.0% of rhamsan gum or xanthan gum,(2) 1.0 to 3.0% of sodium hydroxide, and(3) if necessary, up to 3% of sodium tetraborate.According to the present invention, a high concentration aqueous starch slurry adhesive can be easily obtained at a single step by merely dispersing starch into cold water while stirring.

    High-concentration starch adhesive
    3.
    发明授权
    High-concentration starch adhesive 失效
    高浓度淀粉粘合剂

    公开(公告)号:US5181959A

    公开(公告)日:1993-01-26

    申请号:US458179

    申请日:1989-12-28

    IPC分类号: C09J103/02

    CPC分类号: C09J103/02

    摘要: The present invention relates to a high-concentration starch adhesive prepared by treating a starch slurry at a temperature of 100.degree. C. or above to form a gelatinized solution and suspending an ungelatinized starch in the gelatinized solution. According to the present invention, the viscosity of the starch adhesive can be kept stable over a long period of time; the problems such as warp due to the expansion and contraction, by the absorption of water, of the material to be adhered, can be solved; and the quantity of heat necessitated in the adhesion step can be much reduced.

    Process for preparing o-alkoxy-p-allylphenols
    10.
    发明授权
    Process for preparing o-alkoxy-p-allylphenols 失效
    制备邻 - 烷氧基 - 对 - 烯丙基酚的方法

    公开(公告)号:US4048236A

    公开(公告)日:1977-09-13

    申请号:US658452

    申请日:1976-02-17

    IPC分类号: C07C43/215 C07C41/00

    CPC分类号: C07C43/215

    摘要: In a process for preparing an o-alkoxy-p-allylphenol comprising reaction of an o-alkoxyphenol with an allyl halide in the presence of an aqueous solution of an alkali metal hydroxide or alkaline earth metal hydroxide, the improvement which comprises employing a copper-containing compound such as a water-soluble copper salt, an ammine copper complex salt etc., as the catalyst. The process for preparing an o-alkoxy-p-allylphenol which comprises reaction of an o-alkoxyphenol with an allyl halide in an aqueous ammonia is also disclosed.

    摘要翻译: 在碱金属氢氧化物或碱土金属氢氧化物的水溶液的存在下,在制备邻烷氧基 - 对 - 烯丙基苯酚的方法中,包括使邻 - 烷氧基苯酚与烯丙基卤反应, 作为催化剂的水溶性铜盐,氨络合铜盐等的含水化合物。 还公开了制备邻 - 烷氧基 - 对 - 烯丙基苯酚的方法,其包括邻氨基苯酚与烯丙基卤化物在氨水中的反应。