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    • 110. 发明申请
    • Process for binding fibrous materials utilizing a polyanhydride and resulting product
    • 使用聚酐和所得产品粘合纤维材料的方法
    • US20090181251A1
    • 2009-07-16
    • US12008907
    • 2008-01-15
    • Kiarash Alavi ShooshtariJawed Asrar
    • Kiarash Alavi ShooshtariJawed Asrar
    • B05D3/00B32B27/00
    • E04B1/7658C03C25/26D04H1/587D04H1/64H05K1/0366Y10T428/2933Y10T442/2992
    • A process for securely binding the adjoining fibers of a fibrous material in the absence of the use of a phenol-formaldehyde reaction product is provided. A curable binding composition comprising a water-soluble intermediate reaction product having hydroxyl and carboxylic acid end groups that is capable of undergoing an esterification crosslinking reaction is provided. The intermediate reaction product is formed by the reaction of (i) a polyanhydride, and (ii) certain polyol crosslinkers other than an alkanolamine. Such crosslinkers have been found to yield a bound product that displays improved color (i.e., lighter color). Particularly preferred crosslinkers are triethylene glycol and tripropylene glycol. When applied to a fibrous material, the intermediate reaction product is reacted with crosslinking to form a cured reaction product. In a preferred embodiment the securely bound fibrous product is building insulation of good color that well resists water.
    • 提供了在不使用苯酚 - 甲醛反应产物的情况下将纤维材料的相邻纤维牢固地结合的方法。 提供了包含能够进行酯化交联反应的具有羟基和羧酸端基的水溶性中间反应产物的可固化结合组合物。 中间反应产物通过(i)聚酐和(ii)除链烷醇胺以外的某些多元醇交联剂的反应形成。 已经发现这种交联剂产生显示改进的颜色(即较浅的颜色)的结合产物。 特别优选的交联剂是三甘醇和三丙二醇。 当应用于纤维材料时,中间反应产物与交联反应以形成固化的反应产物。 在优选实施例中,牢固结合的纤维产品是良好抵抗水的良好颜色的建筑绝缘。