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    • 10. 发明公开
    • Graft polyester products, method of sizing yarns therewith and a synthetic fiber sized with such graft polyester products
    • GRAFT聚酯产品,其尺寸方法和具有这种聚酯聚酯产品的合成纤维
    • EP0010582A3
    • 1980-11-26
    • EP79103000
    • 1979-08-17
    • BASF WYANDOTTE CORPORATION
    • Login, Robert Bernard
    • C08F283/00D06M15/16D06M10/00D06L01/06
    • D06M14/18C08F299/0478D06L1/06D06M15/51D06M2200/40
    • There are disclosed graft polyesters useful as adhesives and coatings and especially useful in processes for sizing spun and continous filament synthetic organic and inorganic fibrous yarn. One embodiment of the invention is a textile size composition having free carboxyl groups which is prepared in situ on a textile yarn by the application of heat or radiation to a mixture of an unsaturated polyester reactant and a monovinyl monomer reactant comprising an acidic monovinyl monomer having at least one carboxyl group or mixtures thereof with any monovinyl monomer. Desizing can be accomplished by partial neutralization of the size to a pH of at least 6 by reacting the size with a base to render the graft polyester water-dispersible or water-soluble. Also disclosed are cross-linked graft polyesters obtained by reacting an unsaturated polyester with at least one polyunsaturated vinyl monomer.
    • 公开了用作粘合剂和涂料的接枝聚酯,并且特别可用于纺丝和连续长丝合成有机和无机纤维​​纱线的定径方法。 本发明的一个实施方案是具有游离羧基的织物尺寸组合物,其通过对不饱和聚酯反应物和包含酸性单乙烯基单体的单乙烯基单体反应物的混合物施加热或辐射而在纺织纱线上原位制备, 至少一个羧基或其与任何单乙烯基单体的混合物。 通过使大小与碱反应使得接枝聚酯具有水分散性或水溶性,可以将尺寸部分中和至至少6的pH来进行脱浆。 还公开了通过使不饱和聚酯与至少一种多不饱和乙烯基单体反应而获得的交联接枝聚酯。