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    • 4. 发明授权
    • Wrinkled polyester particles
    • 皱纹聚酯颗粒
    • US07128972B2
    • 2006-10-31
    • US10208344
    • 2002-07-30
    • Jeffrey W. LeonChristine J. Landry-Coltrain
    • Jeffrey W. LeonChristine J. Landry-Coltrain
    • B32B5/16
    • C08J3/12C08J2367/06Y10T428/2982
    • The present invention comprises wrinkled polymer particle comprising a polyester-containing particle having a surface covered with at least one wrinkle comprising folds, ridges, crevices and channels. The present invention further comprises a method of forming wrinkled polyester-containing particles comprising preparing a mixture of an organic phase and an aqueous phase, said mixture comprising an unsaturated precursor polyester, a water immiscible organic solvent, at least one organic-soluble ethylenically unsaturated monomer, and initiator, subjecting said mixture to high energy emulsification, initiating crosslinking of said polyester after emulsification, and removing said water immiscible organic solvent to recover wrinkled polyester-containing particles.
    • 本发明包括起皱聚合物颗粒,其包含含有至少一个褶皱,脊,裂缝和通道的皱纹的表面的含聚酯的颗粒。 本发明还包括形成起皱的含聚酯的颗粒的方法,包括制备有机相和水相的混合物,所述混合物包含不饱和前体聚酯,水不混溶的有机溶剂,至少一种有机可溶性烯属不饱和单体 和引发剂,使所述混合物进行高能乳化,在乳化后引发所述聚酯的交联,并除去所述水不混溶的有机溶剂以回收起皱的含聚酯的颗粒。