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    • 4. 发明公开
    • 투명 생분해성 고분자
    • 透明可生物降解聚合物
    • KR1020160023973A
    • 2016-03-04
    • KR1020140109034
    • 2014-08-21
    • 롯데정밀화학 주식회사
    • 안지수강상미김민경윤기철강경돈김예진양미화
    • C08G63/18C08G63/66
    • C08G63/672
    • 본발명은생분해성고분자의투명성을확보하면서내열성과유연성이우수한재료를제공하기위하여단량체구성에아이소소르바이드(isosorbide)를도입하는것을특징으로한다. 모노머로서경직성의(rigid) 구조를갖는아이소소르바이드로부터유래되는성분은전체디올성분중 10 내지 50 몰%로포함되어내열성향상효과를가져오고, 결정형성을방해하여투명성을향상시키며, 유연성이우수한고분자를제공할수 있다. 따라서본 발명은특히패키지분야에서사용안정성을확보하고그 사용범위및 활용도를높일수 있다.
    • 本发明涉及透明的可生物降解的聚合物。 为了提供具有优异的耐热性和柔性的材料,同时确保生物可降解聚合物的透明度,将异山梨醇引入单体的构成。 生物降解性聚合物通过在二醇成分中含有10〜50摩尔%的来自具有作为单体的刚性结构的异山梨醇的成分,同时通过阻碍结晶的形成而提供透明性,并提供具有优异的柔软性的聚合物。 因此,在本发明中,确保了使用聚合物的稳定性,特别是在包装领域中,可以提高其使用范围。
    • 8. 发明公开
    • 공중합 폴리에스테르 수지 및 이를 이용한 성형제품
    • 共聚酯树脂和使用该树脂的文章
    • KR1020100060850A
    • 2010-06-07
    • KR1020080119622
    • 2008-11-28
    • 에스케이케미칼주식회사
    • 이명렬김종량
    • C08G63/16C08G63/18C08G63/42C08J5/00
    • C08G63/183C08G63/199
    • PURPOSE: A copolyester resin is provided to supplement low temperature contractibility, to reduce a contraction stress while maintaining high contraction rate, to prevent the deformation and white turbidity of a PET bottle, and to control a contraction rate. CONSTITUTION: A copolyester resin comprises; 1,4- cyclohexanedimethanol 10~80 mole %; diol compound 0.1~50 mole % which is marked as a chemical formula 1; and ethylene glycol or other compounds based on dicarboxylic acid. In the chemical formula 1, a and b is an integer from 1 to 5. The diol compound is selected from a group comprising 1,3- dihydroxy-2-propanone, 1,3-dihydroxy-2-butanone, 1,3-dihydroxy-2-pentanone, and their mixture.
    • 目的:提供共聚酯树脂以补充低温收缩性,在保持高收缩率的同时降低收缩应力,防止PET瓶的变形和白浊,并控制收缩率。 构成:共聚酯树脂包括: 1,4-环己烷二甲醇10〜80摩尔% 二醇化合物0.1〜50摩尔%,其标记为化学式1; 和乙二醇或其它基于二羧酸的化合物。 在化学式1中,a和b为1〜5的整数。二醇化合物选自1,3-二羟基-2-丙酮,1,3-二羟基-2-丁酮,1,3-丁二酮, 二羟基-2-戊酮及其混合物。
    • 9. 发明公开
    • 폴리에스테르 수지 및 그의 제조 방법
    • 聚酯树脂及其生产工艺
    • KR1020070012469A
    • 2007-01-25
    • KR1020067023667
    • 2005-05-11
    • 미쓰비시 가가꾸 가부시키가이샤
    • 아키타미나코가사이아츠시다나카도모히코
    • C08G63/18C08G63/78C08G63/00
    • C08G63/82C08G63/199
    • A polyester resin comprising 1,4-cyclohexanedicarboxylic acid (1,4- CHDA) as the main dicarboxylic acid unit which is produced with suppressed isomerization of trans-1,4-CHDA in esterification and polycondensation and which has a high melting point and is excellent in heat resistance; and a process for the production of the resin. A process for the production of polyester resin which comprises preparing an oligomer from a dicarboxylic acid component containing 1,4-CHDA as the main component and a diol component through esterification and subjecting the oligomer to polycondensation in the presence of a polycondensation catalyst, characterized in that the esterification is conducted by use of a basic compound, followed by the polycondensation with a polycondensation catalyst. The polyester resin obtained by the process satisfies the relationship: 0
    • 一种聚酯树脂,其包含1,4-环己烷二羧酸(1,4- CHDA)作为主要二羧酸单元,其在酯化和缩聚反应中抑制反式-1,4-CHDA异构化并且具有高熔点并且为 耐热性好; 以及制造树脂的方法。 一种聚酯树脂的制造方法,其特征在于,在缩聚催化剂的存在下,通过酯化反应制备由含有1,4-CHDA作为主要成分的二羧酸成分的低聚物和二醇成分,并进行缩聚反应,其特征在于: 通过使用碱性化合物进行酯化,然后与缩聚催化剂缩聚。 通过该方法获得的聚酯树脂满足以下关系:0 <{(T0-Tp)/ T0}×100 <12(其中T0是起始1,4- CHDA中反式1,4-CHDA的摩尔百分比,Tp为 所得聚酯树脂的1,4-CHDA单元中的反式1,4-CHDA单元的摩尔百分数)。 ®KIPO&WIPO 2007
    • 10. 发明公开
    • 폴리에스테르 수지 조성물
    • 聚酯树脂组合物
    • KR1020020059053A
    • 2002-07-12
    • KR1020000087434
    • 2000-12-30
    • 주식회사 노루홀딩스
    • 윤종호
    • C08G63/18
    • C08G63/18C08L67/02C09D167/02
    • PURPOSE: Provided is a polyester resin composition having excellent processability, scratch property, and hardness and high gloss, which is used as a finish paint and a primer for a pre-coated metal(PCM) steel sheet used for electric home appliances. CONSTITUTION: The polyester resin composition is obtained by condensing an aromatic, cycloaliphatic, aliphatic dihydric alcohol compound and a dibasic acid compound in the equivalent ratio of 1.0:1.0-0.95 and has a weight average molecular weight of 15,000-30,000, a hydroxy value of 2-10, an acid value of less than 3, and a glass transition temperature of 5-40deg.C. The dihydric alcohol compound is at least one selected from the group consisting of ethylene glycol, propylene glycol, 1,4-butylene glycol, 1,5-pentanediol, 1,6-hexanediol, neopentyl glycol, and etc. And the dibasic acid compound is at least one selected from the group consisting of phthalic anhydride, tetrahydro phthalic anhydride, isophthalic acid, terephthalic acid, adipic acid, and etc.
    • 目的:提供作为用于家用电器的预涂金属(PCM)钢板的表面漆和底漆用作加工性,划伤性,硬度和高光泽性的聚酯树脂组合物。 构成:聚酯树脂组合物通过将芳族,脂环族,脂肪族二元醇化合物和二元酸化合物以1.0:1.0〜0.95的当量比缩合而得到,重均分子量为15,000〜30,000,羟值为 2-10,酸值小于3,玻璃化转变温度为5-40度。 二元醇化合物是选自乙二醇,丙二醇,1,4-丁二醇,1,5-戊二醇,1,6-己二醇,新戊二醇等中的至少1种。二元酸化合物 是选自邻苯二甲酸酐,四氢邻苯二甲酸酐,间苯二甲酸,对苯二甲酸,己二酸等的至少一种。