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    • 3. 发明授权
    • Shaped article of collagen and process for preparing same
    • 胶原的成型制品及其制备方法
    • US4455206A
    • 1984-06-19
    • US332711
    • 1981-12-21
    • Masayuki FunabashiYoshikazu Kokubu
    • Masayuki FunabashiYoshikazu Kokubu
    • A22C13/00C08H1/00C25D1/18C25D13/06C25D13/12
    • A22C13/00C25D1/18A22C2013/002
    • A shaped article of collagen having 5 to 20 .mu.m of thickness, the peak maximum temperature of endothermic denaturation thereof being in the range of 62.degree. to 71.degree. C., the wet tensile strength thereof being in the range of 3 to 6 kg/mm.sup.2 and the wet tear strength thereof being in the range of 25 to 150 g.multidot.cm/cm is prepared by a process comprising cross-linking a collagenous material so that the difference of the peak maximum temperatures of endothermic denaturation of the material between before and after the cross-linking falls in the range of 1.0.degree. to 10.degree. C. and the peak maximum temperature after the cross-linking falls in the range of 63.degree. to 74.degree. C., fibrating the cross-linked collagenous material to prepare an aqueous dispersion with the viscosity of 100 to 2000 cP and the spinnability of 30 to 80 mm at the concentration of 1% by weight of collagen fiber and subjecting the dispersion to electrodeposition.
    • 胶原蛋白成型体的厚度为5〜20μm,吸热变性的峰值最高温度为62〜71℃,湿拉伸强度为3〜6kg / mm2,其湿撕裂强度在25至150gxcm / cm的范围内通过包括交联胶原材料的方法制备,使得材料的吸热变性的峰值最高温度之间的差异在 交联度在1.0〜10℃的范围内,交联后的峰值最高温度在63〜74℃的范围内,使交联胶原纤维成纤维化,制成水分散体 粘度为100〜2000cP,纺丝性为30〜80mm,浓度为胶原纤维的1重量%,并对该分散体进行电沉积。