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    • 6. 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。
    • 7. 发明授权
    • 작업성 및 색상별 경화성이 우수한 UV경화성 도료 조성물
    • 작업성및색상별경화성이우수한UV경화성도료조성물
    • KR100451302B1
    • 2004-10-06
    • KR1020030017225
    • 2003-03-19
    • 유메이드 주식회사
    • 권택수정성현강지형
    • C09D201/00
    • C09D175/16C08F251/02C08F283/00C08F283/006C08F283/01C08F283/10C08F290/00C08G18/6484C08G18/672C08L51/02C09D133/14C09D151/02C08G18/64C08L2666/02
    • The present invention relates to a UV curable paint composition, and more particularly, to a UV curable paint composition that has various applicable colors and superior UV curability and recoatability. The UV curable paint composition of the present invention comprises 30 to 95 parts by weight of conventional UV curable composition with UV curable oligomer, UV curable monomer, photoinitiator and photosensitizer; and 5 to 70 parts by weight of one or more cellulose-modified resins selected from a group consisting of cellulose acetate, cellulose acetate butyrate, cellulose acetate propionate, cellulose propionate, cellulose-modified urethane acrylate, and nitrocellulose. The UV curable paint composition of the present invention may comprise up to 20 parts by weight of pigment or other additives in the same manner as a conventional UV curable paint composition. The UV curable paint composition of the present invention provides superior recoatability, UV curability, adhesiveness, weather resistance, chemical resistance, abrasion resistance and hardness, implementation of a variety of colors, and the like.
    • 本发明涉及一种紫外线固化涂料组合物,更具体地说,涉及一种具有各种适用颜色和优异的紫外线固化性和重涂性的紫外线固化涂料组合物。 本发明的UV可固化涂料组合物包含30-95重量份的常规UV可固化组合物和UV可固化低聚物,UV可固化单体,光引发剂和光敏剂; 和5至70重量份的一种或多种选自乙酸纤维素,乙酸丁酸纤维素,乙酸丙酸纤维素,丙酸纤维素,纤维素改性的聚氨酯丙烯酸酯和硝化纤维素的纤维素改性树脂。 本发明的UV可固化涂料组合物可以以与常规UV可固化涂料组合物相同的方式包含至多20重量份的颜料或其它添加剂。 本发明的紫外线固化型涂料组合物具有优异的重涂性,紫外线固化性,粘合性,耐候性,耐化学药品性,耐磨性和硬度,实现各种颜色等。