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    • 1. 发明公开
    • 그래핀-고분자 수지 복합체 분말 및 섬유 제조방법
    • 制备石墨聚合物复合粉末和纤维的方法
    • KR1020140036385A
    • 2014-03-26
    • KR1020120101248
    • 2012-09-12
    • 주식회사 포스코재단법인 포항산업과학연구원울산과학기술원 산학협력단
    • 배일준박영빈박세민황상하김명수김병주이성영
    • C08L101/00C08K3/04C01B31/02D01D5/08
    • C08L101/00B01J19/10C01B32/182C01B32/194C01B2202/26C08K3/04D01D5/08
    • The present invention relates to a method for preparing graphene-polymer composite by adding graphene or expanded graphite nanoplate to a polymer and preparing graphene-polymer composite fiber using the composite. The method for preparing graphene-polymer composite comprises the steps of: acquiring a graphene-dispersed resin solution by dissolving a polymer resin in a polar organic solvent and adding and stirring graphene; treating the graphene-dispersed resin solution with supersonic waves; generating graphene-polymer composite solids by dropping the graphene-dispersed resin solution treated with supersonic waves into water; and acquiring graphene-polymer composite powder by pulverizing the generated graphene-polymer composite solids. Moreover, a graphene-polymer composite fiber can be acquired via melt spinning of the acquired graphene-polymer composite powder. [Reference numerals] (AA) Measure polymer resin; (BB) Measure graphene; (CC) Add the polymer resin into a solvent; (DD) Dissolve the polymer resin in the solvent by stirring; (EE) Add and stir the graphene in the solution of the polymer resin; (FF) Disperse the graphene with supersonic waves; (GG) Add the solution by spraying the solution into water; (HH) Coagulate during a process; (II) Filter; (JJ) Sieve during a process; (KK) Prepare for drying
    • 本发明涉及通过将石墨烯或膨胀石墨纳米板加入到聚合物中并使用该复合材料制备石墨烯 - 聚合物复合纤维来制备石墨烯 - 聚合物复合材料的方法。 制备石墨烯 - 聚合物复合材料的方法包括以下步骤:通过将聚合物树脂溶解在极性有机溶剂中并加入和搅拌石墨烯来获取石墨烯分散的树脂溶液; 用超声波处理石墨烯分散的树脂溶液; 通过将用超声波处理的石墨烯分散的树脂溶液滴入水中产生石墨烯 - 聚合物复合固体; 并通过粉碎产生的石墨烯 - 聚合物复合材料固体来获得石墨烯 - 聚合物复合粉末。 此外,可以通过所获取的石墨烯 - 聚合物复合粉末的熔融纺丝获得石墨烯 - 聚合物复合纤维。 (附图标记)(AA)测量聚合物树脂; (BB)测量石墨烯; (CC)将聚合物树脂加入溶剂中; (DD)通过搅拌将聚合物树脂溶解在溶剂中; (EE)在聚合物树脂溶液中加入并搅拌石墨烯; (FF)用超声波分散石墨烯; (GG)将溶液喷入水中加入溶液; (HH)在过程中凝血; (二)过滤器; (JJ)筛选过程中; (KK)准备干燥
    • 5. 发明授权
    • 표면광택성이 우수한 전기아연도금강판의 제조방법
    • 具有优异表面亮度的电镀锌钢板的制造方法
    • KR1019960008154B1
    • 1996-06-20
    • KR1019930030259
    • 1993-12-28
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 김명수안덕수김영봉
    • C25D3/22
    • This process manufactured the steel sheet of good surface brightness or high reflection of light by continuous electro-plating without adding brightener and controlling of various ion concentrations in plating solution. The good surface brightness is formed obtained by decreasing the crystal size of zinc, and increasing the degree of preferred gradient of zinc in this process. The conditions of plating are that: (a) the plating bath is of chloride system, (b) the pH of plating solution is 3 to 7, (c) the temperature of plating bath is 40 to 60deg.C, (d) the concentration of zinc chloride is 100 to 150g/L, and/or (e) the added conductive aiders are potassium chloride and ammonium chloride, and/or (f) the concentration of aiders is up to 100g/L, and (g) the degree of preferred gradient in the zinc base plane of the highest atomic density is over 6.
    • 该方法通过连续电镀而不添加光亮剂并且控制电镀溶液中的各种离子浓度来制造具有良好的表面亮度或高反射光的钢板。 通过降低锌的晶体尺寸而获得良好的表面亮度,并且在该过程中增加了锌的优选梯度。 电镀条件为:(a)镀液为氯化物系,(b)电镀液pH为3〜7,(c)电镀浴温度为40〜60℃,(d) 氯化锌的浓度为100〜150g / L,和/或(e)添加的导电助剂为氯化钾和氯化铵,和/或(f)助剂浓度高达100g / L,(g) 原子密度最高的锌基平面中的优选梯度为6以上。
    • 6. 发明授权
    • 고 내식성을 갖는 아연-크롬합금 이층도금강판의 제조방법
    • 制造具有高耐腐蚀性的ZN-CR合金两层涂层钢板的方法
    • KR1019960005026B1
    • 1996-04-18
    • KR1019930030268
    • 1993-12-28
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 박성국안덕수김영근김명수
    • C23C22/00
    • The steel sheet for automobile, household and building materials has an excellent corrosion resistance by formation of zinc-chromium alloying layer on a galvanized steel sheet. Two layer coated steel sheet is produced by (1)electroplating of chromium below 5g/m2 on the surface of a galvanized steel sheet, (2)heat treating the coated steel sheet at 500 to 600 deg.C for 5 to 10sec, and (3)cooling in water for preventing delamination of coating layer. Electroplating consists of the separate coating processes, respectively zinc coating or galvanizing, and chromium coating as mentioned above. Alloying of zinc and chromium coating layer is formed by interdiffusion with the alloying heat treatment. Upper zinc-chromium alloy layer suppresses uniform or layer type dezincification of the surface. And lower zinc layer prevents pitting corrosion.
    • 用于汽车,家用和建筑材料的钢板通过在镀锌钢板上形成锌 - 铬合金层具有优异的耐腐蚀性。 通过(1)在镀锌钢板的表面上电镀5g / m 2以下的铬来制造双层被覆钢板,(2)在500〜600℃下热处理所述被覆钢板5〜10秒, 3)在水中冷却,防止涂层脱层。 电镀由如上所述的分别的涂覆工艺,锌涂层或镀锌以及铬涂层组成。 通过与合金化热处理相互扩散形成锌和铬涂层的合金。 上锌 - 铬合金层抑制表面均匀或层状脱锌。 而较低的锌层可防止点腐蚀。