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    • 1. 发明申请
    • Polyester Resin and Process for Production Thereof
    • 聚酯树脂及其生产工艺
    • US20070225469A1
    • 2007-09-27
    • US11568872
    • 2005-05-11
    • Minako AkitaAtsushi KasaiTomohiko Tanaka
    • Minako AkitaAtsushi KasaiTomohiko Tanaka
    • C08G63/18C08G63/78
    • C08G63/82C08G63/199
    • To provide a polyester resin having 1,4-CHDA as the main dicarboxylic acid units, having isomerization of trans-1,4-CHDA suppressed in the esterification and polyconsensation reactions and having a high melting point and excellent heat resistance, and a process for its production. A polyester resin obtainable by preparing an oligomer by an esterification reaction of a dicarboxylic acid component containing 1,4-cyclohexane dicarboxylic acid as the main component, with a diol component, and polycondensing this oligomer in the presence of a polycondensation catalyst; and a process for producing a polyester resin characterized in that the esterification reaction is carried out by means of a basic compound, and then, the polycondensation reaction is carried out by means of a polycondensation catalyst. In the resent invention, T0 and Tp satisfy 0≦{(T0−Tp)/T0}×100≦12 where T0 is the mol % of the trans form in the 1,4-cyclohexane dicarboxylic acid contained in the starting material, and Tp is the mol % of the trans form in the 1,4-cyclohexane dicarboxylic acid units contained in the obtainable polyester resin.
    • 为了提供具有1,4-CHDA作为主要二羧酸单元的聚酯树脂,其在酯化和多缩合反应中抑制反式-1,4- -CHDA异构化并具有高熔点和优异的耐热性, 其生产。 通过以1,4-环己烷二羧酸为主要成分的二羧酸成分的酯化反应制备低聚物和二醇成分得到的聚酯树脂,并在缩聚催化剂的存在下使该低聚物缩聚; 以及一种生产聚酯树脂的方法,其特征在于通过碱性化合物进行酯化反应,然后缩聚反应通过缩聚催化剂进行。 在本发明中,T0和Tp满足0 <= {(T0-Tp)/ T0}×100 <= 12其中T0是起始材料中所含的1,4-环己烷二羧酸中的反式摩尔% Tp是所得聚酯树脂中所含的1,4-环己烷二羧酸单元中的反式摩尔%。
    • 2. 发明授权
    • Wholly aromatic polyester and process for producing the same
    • 全芳香族聚酯及其制造方法
    • US4599397A
    • 1986-07-08
    • US683518
    • 1984-12-19
    • Tamotsu YoshimuraMasahiko NakamuraAtsushi Kasai
    • Tamotsu YoshimuraMasahiko NakamuraAtsushi Kasai
    • C08G63/00C08G63/18C08G63/19C08G63/68C08G63/682C08G63/688
    • C08G63/6826C08G63/19
    • Disclosed herein is a wholly aromatic polyester comprising the structural units represented by the formulae (A), (B), (C), (D), and (E) ##STR1## wherein R.sup.1 represents a halogen atom, a hydrocarbon group, an alkoxy group or a phenoxy group ##STR2## wherein A represents an oxygen atom, a sulfur atom, a sulfonyl group, a carbonyl group, an alkylene group or an alkylidene group, or a single bond directly connecting the two benzene rings and R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 represent respectively a hydrogen atom, a halogen atom or a hydrocarbon group,the wholly aromatic polyester containing 5 to 50 mol % of the unit (A), 5 to 45 mol % of the unit (B), 5 to 45 mol % of the unit (C), 5 to 20 mol % of the unit (D) and 0 to 10 mol % of the unit (E), and the sum of the amounts of the unit (A) and the unit (B) and the sum of the amounts of the unit (C), the unit (D) and the unit (E) being substantially equimolar, and a process for producing the same.
    • 本文公开了包含由式(A),(B),(C),(D)和(E)表示的结构单元的全芳族聚酯。(B) (C)其中R 1表示卤素原子,烃基,烷氧基或苯氧基。(D)和(E)其中A表示氧原子,硫原子,磺酰基, 羰基,亚烷基或亚烷基,或直接连接两个苯环的单键,R2,R3,R4,R5,R6,R7,R8和R9分别表示氢原子,卤素原子或烃基 ,含有5〜50摩尔%的单元(A),5〜45摩尔%的单元(B),5〜45摩尔%的单元(C),5〜20摩尔%的单元的全芳香族聚酯 (D)和单位(E)的0〜10摩尔%,单位(A)和单位(B)的量的总和以及单位(C),单位( D)和单元(E)基本上是等摩尔的,及其制备方法 。
    • 7. 发明授权
    • Process for producing a copolyester
    • 共聚聚酯的制备方法
    • US4782132A
    • 1988-11-01
    • US853
    • 1987-01-06
    • Seiichi NozawaOsamu KishiroAtsushi KasaiSeigo OkumuraKen HonmaChieko Muramoto
    • Seiichi NozawaOsamu KishiroAtsushi KasaiSeigo OkumuraKen HonmaChieko Muramoto
    • C08G63/60C08G63/02C08F20/00C08G63/16C08G63/18
    • C08G63/60C08G63/605
    • A process for producing a copolymeric polyester, which comprises a first step of preparing a copolymeric oligomer by reacting a starting material oligoester or polyester having repeating units of the formula: ##STR1## wherein R.sub.1 is a divalent aromatic hydrocarbon group having from 6 to 10 carbon atoms, a divalent alicyclic hydrocarbon group having from 4 to 20 carbon atoms or/and a divalent aliphatic hydrocarbon group having from 1 to 40 carbon atoms (provided a hydrogen atom in the aromatic ring of the aromatic hydrocarbon group may be substituted by a halogen atom or an alkyl or alkoxy group having from 1 to 4 carbon atoms), and R.sup.2 is a divalent aliphatic hydrocarbon group having from 2 to 40 carbon atoms, a divalent alicyclic hydrocarbon group having from 4 to 20 carbon atoms, or a divalent radical of polyalkylene oxide having a molecular weight of from 80 to 8000, in an amount from 5 to 95 mol % as represented by the amount of the repeating units constituting the oligoester or polyester, with from 5 to 95 mol % of a hydroxycarboxylic acid of the formula:HO--R.sup.3 COOH (B)wherein R.sup.3 is a divalent aromatic hydrocarbon group having from 6 to 20 carbon atoms on its aromatic ring (provided a hydrogen atom in the aromatic ring of the aromatic hydrocarbon group may be substituted by a halogen atom or an alkyl or alkoxy group having from 1 to 4 carbon atoms), a second step of acylating the oligomer by an addition of an acylating agent, and a third step of polymerizing the acylated oligomer under reduced pressure, wherein prior to the completion of the second step, a dihydroxyl compound of the formula:HOR.sup.4 OH (C)wherein R.sup.4 has the same meaning as R.sup.1 in the formula A, or the compound of the formula C and a dicarboxylic acid of the formula:HOOCR.sup.5 COOH (D)wherein R.sup.5 has the same meaning as R.sup.1 in the formula A, are added for reaction.
    • 一种制备共聚聚酯的方法,其包括通过使具有下式的重复单元的原料低聚酯或聚酯反应制备共聚低聚物的第一步:其中R 1是具有6个碳原子的二价芳族烃基 碳原子数为4〜20的二价脂环式烃基和/或碳原子数1〜40的2价脂肪族烃基(芳香族烃基的芳香环中的氢原子可以被 卤原子或碳原子数为1〜4的烷基或烷氧基),R 2为碳原子数为2〜40的二价脂肪族烃基,碳原子数为4〜20的二价脂环式烃基或二价 分子量为80〜8000的聚环氧烷的基团,以构成低聚酯或p的重复单元的量表示的5〜95摩尔% 醇酯,其具有5至95mol%的下式的羟基羧酸:HO-R 3 COOH(B)其中R 3是其芳环上具有6至20个碳原子的二价芳族烃基(在芳族化合物中提供氢原子 芳香族烃基的环可以被卤原子或碳原子数为1〜4的烷基或烷氧基取代),通过加成酰化剂使低聚物酰化的第二工序,以及使第 酰化低聚物,其中在第二步骤完成之前,式HOR 4 OH(C)的二羟基化合物其中R 4具有与式A中的R 1相同的含义,或式C化合物和二羧酸 加入其中R 5具有与式A中的R 1相同含义的下式的HOOCR 5 COOH(D)的酸反应。