Process for the preparation of water-soluble polymers containing polyalkylene glycol ether side chains
    1.
    发明授权
    Process for the preparation of water-soluble polymers containing polyalkylene glycol ether side chains 失效
    制备含聚亚烷基二醇醚侧链的水溶性聚合物的方法

    公开(公告)号:US06756471B1

    公开(公告)日:2004-06-29

    申请号:US10129110

    申请日:2002-05-13

    Abstract: The invention relates to a process for the preparation of water-soluble polymers containing polyalkylene glycol ether side chains and having molecular weights of from 15,000 to 65,000 by solution polymerization of esters of ethylenically unsaturated carboxylic acids and polyalkylene glycols which are masked on the end groups at one end, if desired together with another monomer in at least one hydrocarbon at monomer concentrations of from 70 to 95% by weight in the presence of free-radical-forming polymerization initiators and, if desired, polymerization regulators at temperatures of up to 200° C., removal of the solvent used in the solution polymerization, and dissolution of the polymers in water to give from 50 to 80% strength by weight solutions, with polymers containing acid groups being neutralized if desired.

    Abstract translation: 本发明涉及一种制备含聚亚烷基二醇醚侧链的水溶性聚合物的方法,其分子量为15,000至65,000,通过在末端基上被掩蔽的烯属不饱和羧酸和聚亚烷基二醇的酯的溶液聚合 一方面,如果需要,在形成自由基的聚合引发剂的存在下,在70至95重量%的单体浓度下,在至少一种烃中与另一种单体一起使用,如果需要,聚合调节剂的温度高达200° C.去除溶液聚合中使用的溶剂,并将聚合物溶解在水中,得到50-80%重量的强度溶液,如果需要,含有酸基团的聚合物被中和。

    Production process and production apparatus for polybutylene terephthalate
    2.
    发明授权
    Production process and production apparatus for polybutylene terephthalate 有权
    聚对苯二甲酸丁二醇酯的生产工艺和生产设备

    公开(公告)号:US06723826B2

    公开(公告)日:2004-04-20

    申请号:US10446075

    申请日:2003-05-28

    Abstract: An apparatus for continuously producing polybutylene terephthalate, which comprises a first reactor for reacting an aromatic dicarboxylic acid with a glycol, thereby producing an oligomer, a second reactor for polycondensating the oligomer, thereby preparing a low polymerization product, and a third reactor for further polycondensating the low polymerization product, thereby producing a high molecular weight polyester, where the second reactor is a vertical, cylindrical polymerization vessel having a plurality of concentrical partitioned reaction compartments therein, each of the reaction compartments being provided with stirring blades and a heater, and an outlet for volatile matters being provided at the upper part of the vessel. The second reactor contributes to efficient and continuous production of polybutylene terephthalate having a good quality.

    Abstract translation: 一种用于连续生产聚对苯二甲酸丁二酯的设备,其包括用于使芳族二羧酸与二醇反应的第一反应器,从而制备低聚物,将低聚物缩聚的第二反应器,从而制备低聚合产物,以及用于进一步缩聚的第三反应器 低聚合产物,由此生产高分子量聚酯,其中第二反应器是具有多个同心分隔的反应室的垂直圆柱形聚合容器,每个反应室设有搅拌叶片和加热器, 在容器的上部设置挥发性物质的出口。 第二反应器有助于有效和连续地生产质量好的聚对苯二甲酸丁二醇酯。

    Method of preparing modified polyester bottle resins
    4.
    发明授权
    Method of preparing modified polyester bottle resins 失效
    改性聚酯瓶树脂的制备方法

    公开(公告)号:US06284866B1

    公开(公告)日:2001-09-04

    申请号:US09456253

    申请日:1999-12-07

    CPC classification number: C08G63/80 Y10T428/1352 Y10T428/1397

    Abstract: The present invention is a method of preparing a high molecular weight copolyester bottle resin that has excellent melt processing characteristics. The method includes the steps of reacting a diacid or diester component and a diol component to form modified polyethylene terephthalate, wherein diol component is present in excess of stoichiometric proportions. Together, the diacid or diester component and the diol component must include at least 7 percent comonomer. The remainder of the diacid component is terephthalic acid or dimethyl terephthalate and the remainder of the diol component is ethylene glycol. The modified polyethylene terephthalate is copolymerized in the melt phase to an intrinsic viscosity of between about 0.25 dl/g and 0.40 dl/g to thereby form a copolyester prepolymer. Thereafter the copolyester prepolymer is polymerized in the solid phase to form a high molecular weight bottle resin that has an intrinsic viscosity of at least about 0.70 dl/g, and a solid phase density of less than 1.413 g/cc.

    Abstract translation: 本发明是制备具有优异的熔融加工特性的高分子量共聚酯瓶树脂的方法。 该方法包括使二酸或二酯组分和二醇组分反应形成改性聚对苯二甲酸乙二醇酯的步骤,其中二醇组分以超过化学计量比的量存在。 一起,二酸或二酯组分和二醇组分必须包含至少7%的共聚单体。 二酸组分的其余部分是对苯二甲酸或对苯二甲酸二甲酯,剩余的二醇组分是乙二醇。 改性聚对苯二甲酸乙二醇酯在熔融相中共聚至约0.25dl / g至0.40dl / g之间的特性粘度,从而形成共聚酯预聚物。 此后,共聚酯预聚物在固相中聚合以形成特性粘度为至少约0.70dl / g,固相密度小于1.413g / cc的高分子量瓶型树脂。

    Continuous process for the production of segmented elastomer polyester copolymer
    5.
    发明授权
    Continuous process for the production of segmented elastomer polyester copolymer 有权
    用于生产分段弹性体聚酯共聚物的连续工艺

    公开(公告)号:US06274696B1

    公开(公告)日:2001-08-14

    申请号:US09659740

    申请日:2000-09-11

    CPC classification number: C08G63/78 C08G63/672

    Abstract: The invention relates to a continuous process for the preparation of segmented elastomer polyester copolymers that shows greater flexibility with respect to the types and amounts of product to be produced than the known processes. The flexibility is achieved by splitting up a low-molecular PBT product stream from a continuous PBT process and partly using it as feed for the transesterification reaction with the polyalkyleneoxide glycol yielding soft segments to form a low-molecular segmented polyester copolymer, which is subsequently further condensed in the melt or optionally in the solid phase to form high-molecular segmented polyester copolymers. Even greater flexibility can be obtained by operating several parallel production lines for segmented polyester copolymer. Fluctuations in the types of copolyester product to be produced and the amounts thereof are accommodated predominantly in the polycondensation step of the PBT production.

    Abstract translation: 本发明涉及用于制备分段弹性体聚酯共聚物的连续方法,其显示出比已知方法要生产的产品的类型和数量更大的灵活性。通过将低分子PBT产物流 来自连续的PBT方法,并且部分地将其用作与聚环氧烷二醇的酯交换反应的进料,产生软链段以形成低分子链段聚酯共聚物,随后在熔体中或任选地在固相中进一步浓缩, 分子分段的聚酯共聚物。通过操作多个平行的分段聚酯共聚物生产线可以获得更大的柔韧性。待生产的共聚酯产物类型和其用量的影响主要适用于PBT生产的缩聚步骤。

    Method for producing liquid crystalline polyester
    7.
    发明授权
    Method for producing liquid crystalline polyester 有权
    液晶聚酯的制造方法

    公开(公告)号:US06774203B1

    公开(公告)日:2004-08-10

    申请号:US10130354

    申请日:2002-05-17

    Inventor: Yasuyuki Fukute

    CPC classification number: C08G63/80 C08G63/605

    Abstract: The present invention provides a method for producing a liquid crystalline polyester which is produced from an aromatic carboxylic acid, an aromatic hydroxycarboxylic acid, an aromatic diol and/or an aromatic hydroxylamine, including a polymerization step (1) for producing a prepolymer of the liquid crystalline polyester and a solid-state polymerization step (2) for elevating the polymerization degree of the resultant prepolymer, the number of aromatic ring terminal groups of the prepolymer satisfying the following equation (i): [(the number of aromatic ring terminal groups)/[(the number of carboxylic terminal groups)+(the number of aromatic ring terminal groups)]]×100≧7(%) (i). According to the invention, all-aromatic type liquid crystalline polyesters can be produced within a short time and at low cost.

    Abstract translation: 本发明提供一种由芳香族羧酸,芳香族羟基羧酸,芳香族二醇和/或芳香族羟胺制造的液晶性聚酯的制造方法,该方法包括制备液体的预聚物的聚合工序(1) 结晶聚酯和用于提高所得预聚物的聚合度的固态聚合步骤(2),满足以下等式(i)的预聚物的芳环端基数:[(芳环端基数) / [(羧基端基数)+(芳环端基数)]×100> = 7(%)(i)。 根据本发明,全芳族型液晶聚酯可以在短时间内以低成本生产。

    Method for obtaining oxacarbonyl polymers, functionalization, resulting polymers and functionalizing agent
    8.
    发明授权
    Method for obtaining oxacarbonyl polymers, functionalization, resulting polymers and functionalizing agent 有权
    获得氧羰基聚合物,官能化,得到的聚合物和官能化剂的方法

    公开(公告)号:US06646103B1

    公开(公告)日:2003-11-11

    申请号:US09959638

    申请日:2001-12-10

    CPC classification number: C08G63/823 C08G63/664 C08G64/30

    Abstract: The invention concerns a method for obtaining oxacarbonyl polymers comprising steps which consist in: providing at least monomers comprising at least a cyclic oxacarbonyl function, an initiator, and in polymerising or copolymerising said monomers, in bulk or in solution, the initiator being selected among bicyclic guanidine compounds of formula (I) or (II) wherein one and/or the other of the cycles can be substituted, in at least any one of positions 2, 3, 4, 8, 9 and 10 of formula (I) or in at least any one of positions 2, 3, 7 and 8 of formula (II), by at least a radical selected among the alkyl groups with 1 to 6 carbon atoms, the cycloalkyl groups with 5 to 7 carbon atoms, polystyrene hydrocarbon chains.

    Abstract translation: 本发明涉及一种获得氧羰基聚合物的方法,其包括以下步骤:提供至少包含至少一个环状羰基羰基官能团的单体,引发剂,以及在本体或溶液中聚合或共聚所述单体的引发剂,所述引发剂选自双环 式(I)或(II)的胍化合物,其中一个和/或另一个循环可以被取代,在式(I)的2,3,8,8,9和10位的至少任何一个中或在 至少选自具有1至6个碳原子的烷基,具有5至7个碳原子的环烷基的基团,聚苯乙烯烃链中的至少任何一个式(II)的2,3,7和8位。

    Wholly aromatic polyester and production process therefor
    9.
    发明授权
    Wholly aromatic polyester and production process therefor 失效
    全芳香聚酯及其生产工艺

    公开(公告)号:US06596839B2

    公开(公告)日:2003-07-22

    申请号:US10169671

    申请日:2002-07-08

    CPC classification number: C08G63/64 C08G63/82 C08G63/83 C08G63/85 C08G63/87

    Abstract: A process for producing a wholly aromatic polyester which is excellent in heat resistance, mechanical properties and yet color and has a high degree of polymerization by melt polymerizing a dicarboxylic acid and a diol directly on an industrial scale at a low cost in a short period of time without esterifying the dicarboxylic acid or diol in advance. To produce the wholly aromatic polyester by reacting and molding an aromatic dicarboxylic acid such as terephthalic acid, an aromatic diol such as 2,2-bis(4-hydroxyphenyl)propane and a diaryl carbonate by heating, a combination of a specific pyridine compound and an alkali metal (bi)carbonate, a combination of a specific pyridine compound and an organic tin compound or a specific titanium compound is existent as a catalyst. Thereby, the wholly aromatic polyester having the above properties is obtained.

    Abstract translation: 一种全芳香族聚酯的制造方法,其具有优异的耐热性,机械性能和颜色,并且通过在短时间内以低成本在工业规模上直接熔融聚合二羧酸和二醇具有高聚合度 预先不二羧酸或二醇酯化。 为了通过加热芳族二羧酸如对苯二甲酸,2,2-双(4-羟基苯基)丙烷等芳香族二醇和碳酸二芳基酯反应而成型,可以将特定的吡啶化合物和 存在碱金属(bi)碳酸盐,特定吡啶化合物和有机锡化合物或特定钛化合物的组合作为催化剂。 由此,得到具有上述特性的全芳香族聚酯。

    Process for manufacture of polyesters based on 1,4-cyclohexanedimethanol and isophthalic acid
    10.
    发明授权
    Process for manufacture of polyesters based on 1,4-cyclohexanedimethanol and isophthalic acid 有权
    基于1,4-环己烷二甲醇和间苯二甲酸的聚酯的制备方法

    公开(公告)号:US06429278B1

    公开(公告)日:2002-08-06

    申请号:US09767172

    申请日:2001-01-22

    CPC classification number: C08G63/199 C08G63/78

    Abstract: In a process for producing a polyester containing 1,4-cyclohexanedimethanol (CHDM) as one of its glycol components, an aqueous or a methanolic slurry comprising CHDM and a dicarboxylic acid is prepared. The slurry is maintained at a temperature below the melting point of CHDM. The slurry is then fed into a reactor. The slurry is esterified at sufficient temperatures and pressures, and optionally in the presence of a suitable catalyst, to effect esterification. A prepolymer is formed. The prepolymer is then polycondensed at sufficient temperatures and pressures in the presence of a suitable catalyst to effect polycondensation to form a polyester.

    Abstract translation: 在制备含有1,4-环己烷二甲醇(CHDM)作为其二醇组分之一的聚酯的方法中,制备包含CHDM和二羧酸的水性或甲醇浆料。 将浆料保持在低于CHDM熔点的温度。 然后将浆料进料到反应器中。 浆料在足够的温度和压力下,任选地在合适的催化剂存在下酯化以进行酯化。 形成预聚物。 然后将预聚物在合适的催化剂存在下在足够的温度和压力下进行缩聚,以进行缩聚以形成聚酯。

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