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    • 66. 发明公开
    • 의류용 라이오셀 필라멘트의 제조방법
    • 衣服LYOCELL FILAMENT的生产方法
    • KR1020080092072A
    • 2008-10-15
    • KR1020070035451
    • 2007-04-11
    • 주식회사 효성
    • 최재신한석종이병민
    • D01F2/02D02G3/02D03D15/00D04H3/16
    • D01F2/02D02G3/02D03D15/00D04H3/16
    • A production method of lyocell filament for the clothing is provided to raise the sense of feeling and drape by forming the filament of high expansibility, and to obtain excellent material property by preventing fibril generation. A cellulose powder is formed from a cellulose sheet. The imbibed and homogenized cellulose solution is produced by supplying the cellulose powder and the NMMO(N-methylmorpholine-N-oxide) concentrated in liquid phase to the extruding machine, and by dispersing, mixing, cutting, kneading and dissolving in the extruding machine, and through the extruding machine having screws for allowing measuring function. The cellulose solution is extruded and spun through the spin nozzle having 20-200 orifices, and is passed through the air layer, and is transferred to the solidification bath. A roller(7) for converting the filament into the horizontal direction is installed inside the solidification bath. The filament is obtained by adjusting the width of the filament contacted with the roller surface to 500-2000 mm^2. The lyocell filament is formed of the filament by flushing, drying, oil treating and rolling.
    • 通过形成高膨胀性的长丝,提供衣服的裂解细丝长丝的制造方法,通过防止原纤维产生而获得优异的材料特性,提高感觉和悬垂感。 由纤维素片形成纤维素粉末。 通过向挤出机供给纤维素粉末和液相浓缩的NMMO(N-甲基吗啉-N-氧化物),通过在挤出机中分散,混合,切割,捏合和溶解来制造吸收均匀的纤维素溶液, 并且通过具有用于允许测量功能的螺钉的挤出机。 将纤维素溶液挤出并通过具有20-200个孔的纺丝喷嘴纺丝,并通过空气层,并转移到固化浴中。 用于将长丝转换成水平方向的辊(7)安装在凝固浴内。 通过将与辊表面接触的细丝的宽度调节到500-2000mm 2,获得长丝。 通过冲洗,干燥,油处理和轧制,由细丝形成裂解细丝。
    • 68. 发明公开
    • 셀룰로오스 나노섬유의 제조 방법
    • 生产纤维素纳米纤维的方法
    • KR1020080075627A
    • 2008-08-19
    • KR1020070014773
    • 2007-02-13
    • 박원호
    • 박원호
    • D01F2/02D01D5/00C08J5/00D01F1/02
    • D01F2/02C08J5/00D01D5/003D01F1/02
    • A manufacturing method of a cellulose nano fiber is provided to spin the electro-spinning solution manufactured by controlling the concentration of nitric acid and to perform the deacetylase process of the spun nano fiber. A nitric acid aqueous solution is manufactured by mixing the nitric acid with the distilled water. Thereafter, the cellulose acetate is melted into the nitric acid aqueous solution so that the electro-spinning solution is manufactured. Thereafter, the manufactured electro-spinning solution is spun electrically so that the cellulose acetate nano fiber is manufactured. Thereafter, the deacetylase process of the cellulose acetate nano fiber is performed by using the mixing solution of the potassium hydroxide and ethanol so that the cellulose nano fiber is manufactured. The nitric acid concentration of the nitric acid aqueous solution is 75%. The cellulose acetate of 13 to 18 wt% is melted into the nitric acid aqueous solution. The mixing solution of the potassium hydroxide and ethanol has the concentration of 0.5 N. Further, the electro-spinning step is performed under conditions of 25 kV of spinning voltage, 3 mL/h of spinning solution velocity and 10 cm of spinning distance.
    • 提供纤维素纳米纤维的制造方法,以旋转通过控制硝酸浓度制造的电纺丝溶液,并进行纺丝纳米纤维的脱乙酰酶工艺。 通过将硝酸与蒸馏水混合来制造硝酸水溶液。 然后,将乙酸纤维素熔化成硝酸水溶液,制成电纺丝溶液。 然后,将制造的电纺丝溶液电解,制成醋酸纤维素纳米纤维。 此后,通过使用氢氧化钾和乙醇的混合溶液进行乙酸纤维素纳米纤维的脱乙酰酶方法,从而制造纤维素纳米纤维。 硝酸水溶液的硝酸浓度为75%。 将13〜18重量%的乙酸纤维素熔化成硝酸水溶液。 氢氧化钾和乙醇的混合溶液的浓度为0.5N。此外,电纺丝步骤在纺丝电压为25kV,纺丝溶液速度为3mL / h,纺丝距离为10cm的条件下进行。