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    • 6. 发明授权
    • Cellulose ester blends
    • 纤维素酯共混物
    • US06313202B1
    • 2001-11-06
    • US08069246
    • 1993-05-28
    • Charles M. BuchananRobert M. GardnerAlan W. WhiteMatthew D. Wood
    • Charles M. BuchananRobert M. GardnerAlan W. WhiteMatthew D. Wood
    • C08L110
    • C08L1/10C08L1/12C08L2666/02
    • This invention relates to a blend comprising (a) about 2% to about 98% by weight of at least one ester of cellulose comprising an alkanoyl chain having from about 1 to about 10 carbon atoms, and having at a D.S. of about 2.3 to about 3.0, and an inherent viscosity of about 0.2 to about 3.0 deciliters/gram as measured at a temperature of 25° C. for a 0.5 g sample in 100 ml of a 60/40 parts by weight solution of phenol/tetrachloroethane, and (b) about 98% to about 2% by weight of at least one ester of cellulose comprising an alkanoyl chain having from about 1 to about 10 carbon atoms, and having a D.S. of about 1.5 to about 2.2, and an inherent viscosity of about 0.2 to about 3.0 deciliters/gram as measured at a temperature of 25° C. for a 0.5 g sample in 100 ml of a 60/40 parts by weight solution of phenol/tetrachloroethane, said percentages being based on the weight of component (a) plus component (b).
    • 本发明涉及一种共混物,其包含(a)约2%至约98%重量的至少一种含有约1至约10个碳原子的链烷酰基的纤维素酯,DS为约2.3至约 3.0,在25℃的温度下测定的对于0.5g样品在100ml 60/40重量份苯酚/四氯乙烷溶液中的特性粘度为约0.2至约3.0分升/克,和(b )约98%至约2%重量的至少一种含有约1至约10个碳原子的链烷酰基,并且DS为约1.5至约2.2,特性粘度为约0.2至 对于0.5g样品,在100ml 60/40重量份苯酚/四氯乙烷溶液中,在25℃的温度下测量,约为3.0分升/克,所述百分比基于组分(a)加重量 组分(b)。