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    • 7. 发明授权
    • Chitin nanowhisker composites and methods
    • 甲壳素纳米晶须复合材料及方法
    • US09169376B2
    • 2015-10-27
    • US13935621
    • 2013-07-05
    • Qi Guan
    • Qi Guan
    • C08B37/08C08L5/08C08L55/02C08L69/00
    • C08J5/005C08J5/045C08J2323/06C08J2323/12C08J2355/02C08J2369/00C08J2405/08C08K7/02C08L5/08C08L55/02C08L69/00C08L23/06C08L23/12
    • A composite includes particles of thermoplastic polymer coated with a chitin nanowhisker gel and melt-blended. The thermoplastic polymer may be polystyrene, polyethylene, acrylonitrile butadiene styrene, polycarbonate, or another thermoplastic polymer. A method of processing chitin includes forming a non-colloidal mixture substantially of chitin and hydrochloric acid to subject the chitin to hydrolysis; upon the mixture becoming substantially colloidal, controlling conditions of the mixture to slow the hydrolysis; dialyzing the substantially colloidal mixture to produce a processed colloidal mixture consisting substantially of water and crystalline chitin; and reducing amount of agglomerated crystalline chitin and water in the processed colloidal mixture thereby to yield chitin nanowhisker gel. A method of forming a composite of chitin nanowhiskers dispersed in a thermoplastic polymer matrix includes coating thermoplastic polymer particles with a chitin nanowhisker gel; and subjecting the coated particles to melt-blending thereby to form the composite.
    • 复合材料包括用几丁质纳米隐形凝胶涂覆并熔融共混的热塑性聚合物颗粒。 热塑性聚合物可以是聚苯乙烯,聚乙烯,丙烯腈丁二烯苯乙烯,聚碳酸酯或另一种热塑性聚合物。 加工甲壳质的方法包括形成基本上几丁质和盐酸的非胶体混合物以使壳多糖进行水解; 当混合物变得基本上是胶体时,控制混合物的条件以减缓水解; 透析基本胶体混合物以产生基本上由水和结晶几丁质组成的加工胶体混合物; 并减少加工的胶体混合物中附聚的结晶几丁质和水的量,从而产生几丁质纳米晶须凝胶。 形成分散在热塑性聚合物基质中的几丁质纳米晶须的复合物的方法包括用甲壳质纳米晶须凝胶涂覆热塑性聚合物颗粒; 并对涂覆的颗粒进行熔融共混以形成复合材料。
    • 9. 发明申请
    • CHITIN NANOWHISKER COMPOSITES AND METHODS
    • CHINTIN NANOWHISKER复合材料和方法
    • US20150011684A1
    • 2015-01-08
    • US13935621
    • 2013-07-05
    • Qi Guan
    • Qi Guan
    • C08L5/08
    • C08J5/005C08J5/045C08J2323/06C08J2323/12C08J2355/02C08J2369/00C08J2405/08C08K7/02C08L5/08C08L55/02C08L69/00C08L23/06C08L23/12
    • A composite includes particles of thermoplastic polymer coated with a chitin nanowhisker gel and melt-blended. The thermoplastic polymer may be polystyrene, polyethylene, acrylonitrile butadiene styrene, polycarbonate, or another thermoplastic polymer. A method of processing chitin includes forming a non-colloidal mixture substantially of chitin and hydrochloric acid to subject the chitin to hydrolysis; upon the mixture becoming substantially colloidal, controlling conditions of the mixture to slow the hydrolysis; dialyzing the substantially colloidal mixture to produce a processed colloidal mixture consisting substantially of water and crystalline chitin; and reducing amount of agglomerated crystalline chitin and water in the processed colloidal mixture thereby to yield chitin nanowhisker gel. A method of forming a composite of chitin nanowhiskers dispersed in a thermoplastic polymer matrix includes coating thermoplastic polymer particles with a chitin nanowhisker gel; and subjecting the coated particles to melt-blending thereby to form the composite.
    • 复合材料包括用几丁质纳米隐形凝胶涂覆并熔融共混的热塑性聚合物颗粒。 热塑性聚合物可以是聚苯乙烯,聚乙烯,丙烯腈丁二烯苯乙烯,聚碳酸酯或另一种热塑性聚合物。 加工甲壳质的方法包括形成基本上几丁质和盐酸的非胶体混合物以使壳多糖进行水解; 当混合物变得基本上胶体时,控制混合物的条件以减缓水解; 透析基本胶体混合物以产生基本上由水和结晶几丁质组成的加工胶体混合物; 并减少加工的胶体混合物中附聚的结晶几丁质和水的量,从而产生几丁质纳米晶须凝胶。 形成分散在热塑性聚合物基质中的几丁质纳米晶须的复合物的方法包括用甲壳质纳米晶须凝胶涂覆热塑性聚合物颗粒; 并对涂覆的颗粒进行熔融共混以形成复合材料。