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公开(公告)号：KR1020110134744A
公开(公告)日：2011-12-15
申请号：KR1020100054493
申请日：2010-06-09
Applicant: 서울대학교산학협력단
Abstract: PURPOSE: A method for fabricating hydrophobic pulp fiber using LbL multilayering is provided to enhance tensile strength. CONSTITUTION: A method for fabricating hydrophobic pulp fiber by LbL multilayering comprises: a step of diluting pulp fiber with distilled water in a reaction tank(S110); a step of adjusting pH concentration of the reaction tank by 8-12; a step of adding PAH(poly allyamine hydrochloride) to the reaction tank(S130); a step of adsorbing the PAH on the surface of the pulp fiber by static-electricity; a step of discharging the unattached PAH and adding distilled water to wash the pulp fiber(S140); a step of controlling pH concentration of the reaction tank by 6-8(S160); a step of adding saponified rosin and adsorbing the soponified rosin on the surface of the PAH by static-electricity; and a step of reinputting distilled water to the reaction tank and washing.
Abstract translation: 目的：提供使用LbL多层制造疏水性纸浆纤维的方法，以提高拉伸强度。 构成：通过LbL多层制造疏水性纸浆纤维的方法包括：在反应槽中用蒸馏水稀释纸浆纤维的步骤（S110）; 将反应釜的pH浓度调节8-12的步骤; 将PAH（盐酸聚烯丙胺）加入到反应槽中的步骤（S130）; 通过静电将PAH吸附在纸浆纤维的表面上的步骤; 排出未附着的PAH并加入蒸馏水以洗涤纸浆纤维的步骤（S140）; 将反应罐的pH浓度控制在6-8的步骤（S160）; 加入皂化松香并通过静电吸附分散的松香在PAH表面上的步骤; 以及将蒸馏水重新输送到反应罐并洗涤的步骤。
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公开(公告)号：KR101570001B1
公开(公告)日：2015-11-18
申请号：KR1020140077928
申请日：2014-06-25
Applicant: 서울대학교산학협력단
Abstract: 본발명은나노피브릴화셀룰로오스를이용한 NFC 폼제조방법및 이를이용하여제조된 NFC 폼에관한것이다. 본발명에따르면, 펄프섬유현택액을이용하여나노피브릴화셀룰로오스(Nanofibrillated cellulose;NFC) 현탁액을제조하는단계, 및상기나노피브릴화셀룰로오스현탁액을성형틀내에넣고건조하여다공성의나노피브릴화셀룰로오스폼을제조하는단계를포함하는나노피브릴화셀룰로오스를이용한 NFC 폼제조방법을제공한다. 상기나노피브릴화셀룰로오스를이용한 NFC 폼제조방법및 이를이용하여제조된 NFC 폼에따르면, 친환경원료인나노피브릴화셀룰로오스현탁액을동결건조하여다공성의나노피브릴화셀룰로오스폼을제조할수 있다. 또한, 나노피브릴화셀룰로오스현탁액에계면활성제를첨가할경우장력이조절되고기포가생성되어나노피브릴화셀룰로오스폼의공극성을변화시킬수 있다. 이와같이제조된다공성의나노피브릴셀룰로오스폼은, 제조된소재의공극성에따라필터, 충격흡수제, 흡음제, 절연제등의다양한소재로응용될수 있다.
Abstract translation: 本发明涉及使用NFC的纳米纤维化纤维素（NFC）泡沫制备方法和使用该方法制备的NFC泡沫。 根据本发明，NFC泡沫制备方法包括以下步骤：通过使用纸浆纤维悬浮液制备NFC悬浮液; 并将NFC悬架放入模架中，并干燥模架内的NFC悬架以制备多孔NFC泡沫。 本发明可以通过冷冻和干燥作为环保材料的NFC悬浮液来制备多孔NFC泡沫。 此外，可以向NFC悬浮液中加入表面活性剂以调节张力并形成气泡，从而改变NFC泡沫的孔隙率。 因此，多孔NFC泡沫可以用作各种材料，例如过滤器，冲击吸收剂，噪声吸收剂和绝缘材料。
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Patent Agency Ranking
公开(公告)号：KR101276922B1
公开(公告)日：2013-06-19
申请号：KR1020110099920
申请日：2011-09-30
Applicant: 서울대학교산학협력단
Abstract: 본 발명은 LBL 멀티레이어링 기술을 이용한 전도성 펄프섬유의 제조 방법 및 이를 이용한 전도성 종이에 관한 것이다. 본 발명은 반응조 내의 펄프섬유를 증류수로 희석하는 단계, 반응조 내의 염농도를 2∼15 mM로 조절하고 pH를 6∼10으로 조절한 후 양이온성 고분자 물질을 투입하여 펄프섬유의 표면에 양이온성 고분자 물질을 정전기적 흡착시키는 단계, 반응조 내의 증류수와 미흡착된 양이온성 고분자 물질을 배출시키고 증류수를 재투입하여 펄프섬유를 세척하는 단계, 반응조 내의 염농도를 2∼15 mM로 조절하고 pH를 2∼6으로 조절한 후 음이온성 전도성 고분자 물질을 투입하여 양이온성 고분자 물질의 표면에 음이온성 전도성 고분자 물질을 정전기적 흡착시키는 단계 및 반응조 내의 증류수와 미흡착된 음이온성 전도성 고분자 물질을 배출시키고 증류수를 재투입하여 펄프섬유를 세척하는 단계를 포함하는 LBL 멀티레이어링 기술을 이용한 전도성 펄프섬유의 제조방법을 제공한다.
상기 LBL 멀티레이어링 기술을 이용한 전도성 펄프섬유의 제조 방법 및 이를 이용하여 제조된 전도성 종이에 따르면, LbL 멀티레이어링 기술을 적용하여 음이온성을 띠는 펄프섬유 상에 양이온성 물질인 PEI와 음이온성 물질인 PEDOT-PSS 복합물을 번갈아 다층 흡착하는 것에 의해 상기 펄프섬유 상에 높은 전기전도도를 부여함과 동시에 기계적 성질인 인장 강도 또한 증가시킬 수 있는 이점이 있다.-
公开(公告)号：KR101157387B1
公开(公告)日：2012-06-20
申请号：KR1020100054493
申请日：2010-06-09
Applicant: 서울대학교산학협력단
Abstract: PURPOSE: A method for fabricating hydrophobic pulp fiber using LbL multilayering is provided to enhance tensile strength. CONSTITUTION: A method for fabricating hydrophobic pulp fiber by LbL multilayering comprises: a step of diluting pulp fiber with distilled water in a reaction tank(S110); a step of adjusting pH concentration of the reaction tank by 8-12; a step of adding PAH(poly allyamine hydrochloride) to the reaction tank(S130); a step of adsorbing the PAH on the surface of the pulp fiber by static-electricity; a step of discharging the unattached PAH and adding distilled water to wash the pulp fiber(S140); a step of controlling pH concentration of the reaction tank by 6-8(S160); a step of adding saponified rosin and adsorbing the soponified rosin on the surface of the PAH by static-electricity; and a step of reinputting distilled water to the reaction tank and washing.
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公开(公告)号：KR1020130035556A
公开(公告)日：2013-04-09
申请号：KR1020110099920
申请日：2011-09-30
Applicant: 서울대학교산학협력단
Abstract: PURPOSE: A method for fabricating a conductive pulp fiber using a LBL multi-layering technique, and conductive paper using the same are provided to ensure high electricity and to enhance tensile strength. CONSTITUTION: A method for fabricating a conductive pulp fiber using a LBL multi-layering technique comprises: a step of diluting a pulp fiber with distilled water in a reaction tank(S110); a step of electrostatically adsorbing a cationic polymer material onto the surface of the pulp fiber(S120); a step of discharging unadsorbed cationic polymer materials and the distilled water, adding distilled water into the reaction tank, and washing the pulp fiber(S130); a step of electrostatically adsorbing an anionic conductive polymer material onto the surface of the cationic polymer material(S140); and a step of discharging the anionic conductive polymer material, adding distilled water into the reaction tank, and washing the pulp fiber(S150). [Reference numerals] (AA) Start; (BB) End; (S110) Diluting pulp fiber with distilled water in a reaction tank; (S120) Adjusting salt concentration to be in a range between 1 and 15mM and pH to be in a range between 6 and 190 and injecting PEI to be absorbed on the pulp fiber; (S130) Discharging distilled water and unadsorbed PEI and reinjecting distilled water to wash the pulp fiber; (S140) Adjusting salt concentration to be in a range between 2 and 15mM and pH to be in a range between 2 and 6 and injecting PEDOT-PSS complex to be absorbed on the surface of the PEI; (S150) Discharging distilled water and unabsorbed PEDOT-PSS complex and reinjecting distilled water to wash the pulp fiber; (S160) Are targeted N layers formed?;
Abstract translation: 目的：提供一种使用LBL多层技术制造导电纸浆纤维的方法，并且提供使用该方法的导电纸以确保高电力并提高拉伸强度。 构成：使用LBL多层技术制造导电纸浆纤维的方法包括：在反应槽中用蒸馏水稀释纸浆纤维的步骤（S110）; 将阳离子聚合物材料静电吸附到纸浆纤维表面上的步骤（S120）; 排出未吸附的阳离子聚合物材料和蒸馏水，向反应槽中加入蒸馏水并洗涤纸浆纤维的步骤（S130）; 将阴离子导电聚合物材料静电吸附到阳离子聚合物材料的表面上的步骤（S140）; 以及排出阴离子导电聚合物材料，向反应槽中加入蒸馏水并洗涤纸浆纤维的步骤（S150）。 （附图标记）（AA）开始; （BB）结束; （S110）用蒸馏水在反应槽中稀释纸浆纤维; （S120）将盐浓度调节在1〜15mM之间，pH值在6〜190之间，注入PEI以吸收纸浆纤维; （S130）排出蒸馏水和未吸附的PEI并注入蒸馏水以洗涤纸浆纤维; （S140）将盐浓度调节在2和15mM之间，pH值在2和6之间，注入PEDOT-PSS络合物以吸附在PEI的表面上; （S150）排出蒸馏水和未吸收的PEDOT-PSS复合物并注入蒸馏水以洗涤纸浆纤维; （S160）是否形成目标N层？
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公开(公告)号：KR1020130004945A
公开(公告)日：2013-01-15
申请号：KR1020110059631
申请日：2011-06-20
Applicant: 서울대학교산학협력단
Abstract: PURPOSE: A method for fabricating xylan ingredient-added pulp by adsorbing xylan on a pulp fiber is provided to improve physical property of the pulp fiber. CONSTITUTION: A method for fabricating xylan ingredient-added pulp comprises: a step of adsorbing cationic polymers onto a pulp fiber(S110); a step of washing the pulp fiber(S120); and a step of inputting a solution containing an anionic xylan ingredient onto the cationic polymer-adsorbed pulp fiber(S130). The cationic polymer is PEI(polyethylenimine), PDADMAC(polydiallydimethylammonium chloride), C-PAM(poly-acrylamide), or PAE(polyamine epichlorohydrin). The xylan ingredient is hemicelluloses extracted from liquid generated during digesting woods. The xylan ingredient is glucuronoxylan or arabinoxylan. [Reference numerals] (AA) Start; (BB) End; (S110) Absorbing cationic polymers onto a pulp fiber; (S120) Washing the pulp fiber; (S130) Inputting xylan ingredient onto the pulp fiber
Abstract translation: 目的：提供通过将木聚糖吸附在纸浆纤维上制备木聚糖成分添加纸浆的方法，以改善纸浆纤维的物理性能。 构成：制备木聚糖成分添加纸浆的方法包括：将阳离子聚合物吸附到纸浆纤维上的步骤（S110）; 洗涤纸浆纤维的步骤（S120）; 以及将含有阴离子木聚糖成分的溶液输入到阳离子聚合物吸附的纸浆纤维上的步骤（S130）。 阳离子聚合物是PEI（聚乙烯亚胺），PDADMAC（聚二烯丙基二甲基氯化铵），C-PAM（聚丙烯酰胺）或PAE（多胺表氯醇）。 木聚糖成分是从消化木材中产生的液体中提取的半纤维素。 木聚糖成分是葡糖醛酸木聚糖或阿拉伯木聚糖。 （附图标记）（AA）开始; （BB）结束; （S110）将阳离子聚合物吸收到纸浆纤维上; （S120）清洗纸浆纤维; （S130）将木聚糖成分输入到纸浆纤维上
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公开(公告)号：KR101269714B1
公开(公告)日：2013-05-30
申请号：KR1020110059631
申请日：2011-06-20
Applicant: 서울대학교산학협력단
Abstract: 본발명은자일란이첨가된펄프의제조방법에관한것이다. 본발명에따르면, 양이온성고분자를펄프섬유에흡착시키는단계와, 상기펄프섬유를세척하는단계, 및음이온성의자일란성분이첨가된용액을상기양이온성고분자가흡착된펄프섬유에투입하는단계를포함하는자일란이첨가된펄프의제조방법을제공한다. 상기자일란이첨가된펄프의제조방법에따르면, 양이온성고분자가흡착된펄프섬유상에음이온성의자일란성분을흡착시킴에따라펄프섬유의물리적특성을향상시킬수 있는이점이있다.
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