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    • 2. 发明公开
    • 고수율로 고분자량의 폴리아미드를 제조하는 방법
    • 生产高分子量聚酰胺的方法
    • KR1020130097294A
    • 2013-09-03
    • KR1020120018832
    • 2012-02-24
    • 지에스칼텍스 주식회사
    • 이수정이희종현동훈
    • C08G69/24C08L77/02C08K5/04C08K5/16
    • PURPOSE: A manufacturing method of polyamide is provided to manufacture a high molecular weight polyamide with a weight average molecular weight of 100 kg/mol or greater and to manufacture polymers in various shapes by using an initiator in a specific structure. CONSTITUTION: A manufacturing method of polyamide manufactures polyamide by polymerizing 2-pyrrolidone under the presence of an alkaline catalyst and using a carbon dioxide initiator and an isocyanate-based initiator. 0.01-0.5 mol of the carbon dioxide initiator is used per 1 mol of the alkaline catalyst. 5-30 mol% of the alkaline catalyst is used to 2-pyrrolidone. The polymerization is conducted at 10-100°C. [Reference numerals] (AA) Weight average molecular amount (kg/mol); (BB) Weight average molecular amount; (CC) Conversion rate; (DD) Reaction time (hrs); (EE) Conversion rate (%)
    • 目的:提供聚酰胺的制造方法,制造重均分子量为100kg / mol以上的高分子量聚酰胺,通过使用特定结构的引发剂制造各种形状的聚合物。 构成:聚酰胺的制造方法通过在碱性催化剂的存在下并使用二氧化碳引发剂和异氰酸酯系引发剂聚合2-吡咯烷酮来制造聚酰胺。 每1mol碱性催化剂使用0.01-0.5mol二氧化碳引发剂。 5-30摩尔%的碱性催化剂用于2-吡咯烷酮。 聚合在10-100℃下进行。 (AA)重均分子量(kg / mol) (BB)重均分子量; (CC)转换率; (DD)反应时间(小时); (EE)转换率(%)
    • 3. 发明公开
    • 탄소섬유용 핏치의 제조방법
    • 用于碳纤维的沥青的制备方法
    • KR1020130059174A
    • 2013-06-05
    • KR1020110125351
    • 2011-11-28
    • 지에스칼텍스 주식회사
    • 오영세박상욱이수정
    • C10C3/00D01F9/145C01B31/02
    • C10C3/002D01F9/145
    • PURPOSE: A manufacturing method of an isotropic pitch for carbon fiber is provided to have a high softening point with a high yield at high temperature without using a separate catalyst. CONSTITUTION: A mixture is formed by mixing a petroleum process residue and a C9 petroleum resin. The mixture is heated up with the first. The firstly heated mixture is heated up with the second. The secondly heated mixture is heated up with the third. A heating temperature is 80-100°C and a heating time is 1~2 hours in a first heating step. A chain extension reaction is induced in the first heating step. A heating temperature is 250-300°C and a heating time is 1/2-2 hours in a second heating temperature. Low boiling point water is removed in the second heating step. A heating temperature is 320-360°C and a heating time is 3-8 hours in a third heating step.
    • 目的:提供用于碳纤维的各向同性沥青的制造方法,以在高温下具有高的软化点,而不使用单独的催化剂。 构成:通过混合石油工艺残留物和C9石油树脂形成混合物。 混合物用第一个加热。 第一次加热的混合物与第二个加热混合物加热。 第二次加热的混合物用第三个加热。 在第一加热步骤中加热温度为80-100℃,加热时间为1〜2小时。 在第一加热步骤中诱导扩链反应。 加热温度为250-300℃,加热时间在第二加热温度下为1 / 2-2小时。 在第二加热步骤中除去低沸点水。 在第三加热步骤中加热温度为320-360℃,加热时间为3-8小时。
    • 8. 发明公开
    • 모노-글리세롤터셔리부틸에테르의 제조방법
    • 制备甘油单丁基醚的方法
    • KR1020100097937A
    • 2010-09-06
    • KR1020090016835
    • 2009-02-27
    • 지에스칼텍스 주식회사
    • 정광섭이수정필리모노프이고르조정희
    • C07C41/20C07C43/13
    • PURPOSE: A method for manufacturing glycerol mono-t-butyl ether is provided to maximize the conversion of glycerol and the selectivity of the glycerol mono-t-butyl ether by controlling reaction terminal time and to optimize the yield of the glycerol mono-t-butyl ether. CONSTITUTION: A method for manufacturing glycerol mono-t-butyl ether includes a step of manufacturing the glycerol mono-t-butyl ether by reacting glycerol or a composition containing the glycerol with liquid isobutene in a hydrophobic solvent using a catalyst for etherification. The hydrophobic solvent is an ether-based solvent. The glycerol or the composition containing the glycerol is obtained from by-products of a biodiesel production reaction.
    • 目的:提供甘油单叔丁基醚的制备方法,以通过控制反应终点时间和甘油单叔丁基醚的产率来最大化甘油的转化率和甘油单叔丁基醚的选择性, 丁基醚。 构成:用于制备甘油单叔丁基醚的方法包括通过甘油或含有甘油的组合物与液体异丁烯在疏水性溶剂中使用醚化催化剂反应来制备甘油单叔丁基醚的步骤。 疏水性溶剂是醚类溶剂。 甘油或含有甘油的组合物由生物柴油生产反应的副产物获得。