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    • 3. 发明公开
    • 셀룰로오즈 포스파이트 화합물의 제조방법
    • 纤维素磷酸盐化合物的制备方法
    • KR1020110091228A
    • 2011-08-11
    • KR1020100010954
    • 2010-02-05
    • 한국과학기술연구원
    • 이현주이방숙서영웅민병권안병성김훈식
    • C08B15/05
    • C08B5/00C08B1/003
    • PURPOSE: A method for preparing a cellulose phosphite compound is provided to suppress side reaction such as the degradation of a cellulose polymer chain or intermolecular cross-linking bond and to prepare a cellulose phosphite compound with excellent solubility in water. CONSTITUTION: A method for preparing a cellulose phosphite compound comprises the step of performing the phosphorylation of cellulose in the ionic liquid consisting of amine-based cations and phosphite-based anions. The amine-based cation is selected from the cations represented by chemical formula 1. In chemical formula 1, R1, R2, R3, R4, R5, R6, R7, and R8 are the same or different and represent a C1-6 alkyl group, C1-6 alkylcarboxylic acid group, C1-6 alkylester group, hydroxyl C1-6 alkyl group, dihydroxy C1-6 alkyl group, C1-6 alkoxy C1-6 alkyl group or phenyl group.
    • 目的:提供一种制备亚磷酸纤维素化合物的方法,以抑制纤维素聚合物链或分子间交联键的降解等副反应,制备在水中溶解性优异的亚磷酸纤维素化合物。 构成:制备亚磷酸纤维素化合物的方法包括在由胺基阳离子和亚磷酸盐基阴离子组成的离子液体中进行纤维素的磷酸化的步骤。 胺系阳离子选自由化学式1表示的阳离子。在化学式1中,R 1,R 2,R 3,R 4,R 5,R 6,R 7和R 8相同或不同,表示C 1-6烷基 C 1-6烷基羧酸基,C 1-6烷基酯基,羟基C 1-6烷基,二羟基C 1-6烷基,C 1-6烷氧基C 1-6烷基或苯基。
    • 5. 发明公开
    • 열가소성 셀룰로오스 에스테르의 제조방법
    • 热塑性纤维素聚酯的制备方法
    • KR1020110075223A
    • 2011-07-06
    • KR1020090131608
    • 2009-12-28
    • 재단법인대구경북과학기술원
    • 이성준이세근정상원김현철김은주
    • C08B3/06C08B3/00
    • C08B5/00C08F251/02
    • PURPOSE: A method for manufacturing thermoplastic cellulose polyester is provided to prepare cellulose ester having various thermal characteristics satisfying heat resistance of end-products and environmental-friendliness. CONSTITUTION: A method for manufacturing thermoplastic cellulose polyester comprises the steps of: acetylating at least a part of a hydroxyl group of the cellulose in ionic liquid to form cellulose acetate; and consecutively performing the ring opening graft polymerization of cyclic ester to a residual hydroxyl group of the cellulose acetate without the separation of the cellulose acetate from the ionic liquid. The acetylation is performed so that the cellulose is 1.0 ~ 2.9 per glucose unit.
    • 目的:提供一种制备热塑性纤维素聚酯的方法,以制备具有满足最终产品耐热性和环境友好性的各种热特性的纤维素酯。 构成:制造热塑性纤维素聚酯的方法包括以下步骤:在离子液体中乙酰化纤维素的至少一部分羟基以形成乙酸纤维素; 并且将环状酯的开环接枝聚合连续地进行到乙酸纤维素的残留羟基,而不会从离子液体中分离出乙酸纤维素。 进行乙酰化,使纤维素为每个葡萄糖单位1.0〜2.9。