POLYESTER/POLYCARBONATE BLEND HAVING EXCELLENT THERMAL STABILITY AND COLOR STABILITY
    1.
    发明申请
    POLYESTER/POLYCARBONATE BLEND HAVING EXCELLENT THERMAL STABILITY AND COLOR STABILITY 审中-公开
    具有极好的热稳定性和颜色稳定性的聚酯/聚碳酸酯混合物

    公开(公告)号:US20130217835A1

    公开(公告)日:2013-08-22

    申请号:US13881583

    申请日:2011-10-28

    IPC分类号: C08L67/03

    摘要: A polyester/polycarbonate blend having superior thermal stability and superior color stability is disclosed. The polyester/polycarbonate blend comprises: (a) P(ET-CT) (poly(ethylene terephthalate-co-1,4-cyclohexylene dimethylene terephthalate) which is copolymerized with 1,4-cyclohexanedimethanol (CHDM) of 40 to 90 mol % with respect to total diol components; (b) polyethylene terephthalate (PET); (c) polycarbonate (PC); and (d) germanium of 1 to 100 ppm (weight ratio) with respect to total polyester/polycarbonate blend, wherein with respect to total polyester/polycarbonate blend, the amount of the P(ET-CT) and PET is 50 to 90 weight %, the amount of the PET is 1 to 6 times in weight ratio with respect to the P(ET-CT), and the amount of the PC is 10 to 50 weight %.

    摘要翻译: 公开了具有优异的热稳定性和优异的颜色稳定性的聚酯/聚碳酸酯共混物。 聚酯/聚碳酸酯共混物包括:(a)P(ET-CT)(聚对苯二甲酸乙二醇酯 - 共1,4-亚环己基二亚甲基对苯二甲酸酯),其与1,4-环己烷二甲醇(CHDM)共聚40-40% 相对于总二醇组分;(b)聚对苯二甲酸乙二醇酯(PET);(c)聚碳酸酯(PC);和(d)相对于总聚酯/聚碳酸酯共混物为1〜100ppm(重量比)的锗, 对于总聚酯/聚碳酸酯共混物,P(ET-CT)和PET的量为50至90重量%,PET的量相对于P(ET-CT)为1至6倍重量比, PC的量为10〜50重量%。

    Method of preparing a heat-resistant polyamide
    2.
    发明授权
    Method of preparing a heat-resistant polyamide 有权
    制备耐热聚酰胺的方法

    公开(公告)号:US08822629B2

    公开(公告)日:2014-09-02

    申请号:US13263620

    申请日:2009-04-10

    IPC分类号: C08G69/26

    摘要: The present invention relates to a method of prepairing a heat-resistant polyamide by carrying out condensation polymerization with a monomer mixture including a diester compound and a diamine compound. The present invention provides an economical method of prepairing a heat-resistant polyamide in that a monomer, a raw material, is simply and chiefly prepared, and the polymerizing reaction time is short because it does not need solvent separately.

    摘要翻译: 本发明涉及通过与包含二酯化合物和二胺化合物的单体混合物进行缩聚制备耐热聚酰胺的方法。 本发明提供一种制备耐热性聚酰胺的经济方法,因为单体(原料)简单且主要地制备,聚合反应时间短,因为不需要溶剂。

    METHOD OF PREPARING A HEAT-RESISTANT POLYAMIDE
    3.
    发明申请
    METHOD OF PREPARING A HEAT-RESISTANT POLYAMIDE 有权
    制备耐热聚酰胺的方法

    公开(公告)号:US20120029163A1

    公开(公告)日:2012-02-02

    申请号:US13263620

    申请日:2009-04-10

    IPC分类号: C08G69/30 C08G69/26

    摘要: The present invention relates to a method of prepairing a heat-resistant polyamide by carrying out condensation polymerisation with a monomer mixture including a diester compound and a diamine compound. The present invention provides an economical method of prepairing a heat-resistant polyamide in that a monomer, a raw material, is simply and chiefly prepared, and the polymerizing reaction time is short because it does not need solvent separately.

    摘要翻译: 本发明涉及通过与包含二酯化合物和二胺化合物的单体混合物进行缩聚反应来制备耐热聚酰胺的方法。 本发明提供一种制备耐热性聚酰胺的经济方法,因为单体(原料)简单且主要地制备,聚合反应时间短,因为不需要溶剂。

    BLEND OF POLYESTER AND POLYCARBONATE HAVING TRANSPARENCY AND HEAT RESISTANCE
    4.
    发明申请
    BLEND OF POLYESTER AND POLYCARBONATE HAVING TRANSPARENCY AND HEAT RESISTANCE 审中-公开
    具有透明性和耐热性的聚酯和聚碳酸酯的共混物

    公开(公告)号:US20110015348A1

    公开(公告)日:2011-01-20

    申请号:US12667499

    申请日:2008-07-03

    IPC分类号: C08L69/00

    摘要: A polyester/polycarbonate blend having superior transparency and heat resistance which is useful for producing transparent polyester articles is disclosed. The blend of polyester and polycarbonate includes (a) polyethyleneterephthalate (PET) prepared with terephthalic acid component and ethylene glycol component, or copolymerized polyethyleneterephthalate prepared with terephthalic acid component and ethylene glycol component, and further copolymerized with 1 to 10 mol % of isophthalic acid, cyclohexane dimethanol (CHDM), di-ethylene glycol and/or alkylene glycol of 3 to 6 carbon atoms component with respect to acid or diol components; (b) polycarbonate (PC); and (c) CHDM modified PET prepared with 20 to 80 mol % CHDM with respect to diol components, wherein the amount of the PC is 10 to 60 wt % with respect to the mixture of (a) PET and (b) PC, and the amount of the (c) CHDM modified PET is 0.2 to 2.5 times by weight with respect to the amount of (b) PC.

    摘要翻译: 公开了一种具有优异的透明性和耐热性的聚酯/聚碳酸酯共混物,其可用于生产透明聚酯制品。 聚酯和聚碳酸酯的混合物包括(a)用对苯二甲酸组分和乙二醇组分制备的聚对苯二甲酸乙二醇酯(PET)或由对苯二甲酸组分和乙二醇组分制备的共聚对苯二甲酸乙二醇酯,并进一步与1至10mol%的间苯二甲酸共聚合, 环己烷二甲醇(CHDM),相对于酸或二醇组分的3至6个碳原子的二乙二醇和/或亚烷基二醇组分; (b)聚碳酸酯(PC); 相对于二醇成分,以20〜80摩尔%CHDM制备的CHDM改性PET,其中PC的量相对于(a)PET和(b)PC的混合物为10〜60重量%,和 (c)CHDM改性PET的量相对于(b)PC的量为0.2〜2.5倍。

    Method for preparing polyarylene sulfide with reduced free iodine content
    7.
    发明授权
    Method for preparing polyarylene sulfide with reduced free iodine content 有权
    制备具有降低游离碘含量的聚芳硫醚的方法

    公开(公告)号:US09163119B2

    公开(公告)日:2015-10-20

    申请号:US13142932

    申请日:2009-12-28

    IPC分类号: C08G75/14 C08G75/02 C08G75/00

    摘要: The present invention relates to a method for preparing polyarylene sulfide with a reduced free iodine content. More specifically, the method for preparing polyarylene sulfide includes: (a) polymerizing reactants including a diiodo aromatic compound and a sulfur compound to form a polyarylene sulfide; and (b) maintaining the polyarylene sulfide product at 100 to 260° C. for heat-setting. The preparation method of the present invention effectively reduces the free iodine content of the polyarylene sulfide to prevent potential corrosion of facilities for the subsequent process and improves the properties of the polyarylene sulfide product such as thermal stability, so the method can be usefully applied to industrial fields in regard to the preparation of polyarylene sulfide.

    摘要翻译: 本发明涉及一种具有降低游离碘含量的聚芳硫醚的制备方法。 更具体地说,制备聚芳硫醚的方法包括:(a)使包含二碘芳族化合物和硫化合物的反应物聚合以形成聚芳硫醚; 和(b)将聚芳硫醚产物保持在100-260℃以进行热定型。 本发明的制备方法有效地降低了聚芳硫醚的游离碘含量,以防止随后工艺的设备的潜在腐蚀,提高聚芳硫醚产品的性能,如热稳定性,因此该方法可有效应用于工业 关于制备聚芳硫醚的领域。

    POLYARYLENE SULFIDE HAVING EXCELLENT PROCESSABILITY AND PREPARATION METHOD THEREOF
    8.
    发明申请
    POLYARYLENE SULFIDE HAVING EXCELLENT PROCESSABILITY AND PREPARATION METHOD THEREOF 有权
    具有优异处理性的聚亚烷基硫化物及其制备方法

    公开(公告)号:US20130115438A1

    公开(公告)日:2013-05-09

    申请号:US13697282

    申请日:2011-05-06

    IPC分类号: C08G75/14

    摘要: The present invention relates to polyarylene sulfide, in which a ratio of a peak area of a polymer chain of a second polyarylene sulfide having a lower molecular weight than the maximum peak molecular weight to a peak area of a polymer chain of a first polyarylene sulfide having a higher molecular weight than the maximum peak molecular weight is 1.3 or less in the molecular weight distribution of the polyarylene sulfide, as measured by gel permeation chromatography using polystyrene as a standard, and a preparation method thereof. This polyarylene sulfide exhibits excellent processability and generates no burrs (flashes) or the like, and can satisfactorily mold a product requiring high molding precision.

    摘要翻译: 本发明涉及聚芳硫醚,其中具有比最大峰分子量低的分子量的第二聚芳硫醚的聚合物链的峰面积与具有第一聚亚芳基硫醚的聚合物链的峰面积的比率 通过使用聚苯乙烯作为标准物的凝胶渗透色谱法测定,聚亚芳基硫醚的分子量分布中的分子量比最大峰分子量高的分子量为1.3以下,及其制备方法。 该聚亚芳基硫醚显示出优异的加工性,不产生毛刺(闪光)等,能够令人满意地成型需要高成型精度的产品。

    METHOD FOR PREPARING POLYARYLENE SULFIDE WITH REDUCED FREE IODINE CONTENT
    9.
    发明申请
    METHOD FOR PREPARING POLYARYLENE SULFIDE WITH REDUCED FREE IODINE CONTENT 有权
    制备具有降低免费碘含量的聚亚锡硫化物的方法

    公开(公告)号:US20110269935A1

    公开(公告)日:2011-11-03

    申请号:US13142932

    申请日:2009-12-28

    IPC分类号: C08G75/14

    摘要: The present invention relates to a method for preparing polyarylene sulfide with a reduced free iodine content. More specifically, the method for preparing polyarylene sulfide includes: (a) polymerizing reactants including a diiodo aromatic compound and a sulfur compound to form a polyarylene sulfide; and (b) maintaining the polyarylene sulfide product at 100 to 260° C. for heat-setting. The preparation method of the present invention effectively reduces the free iodine content of the polyarylene sulfide to prevent potential corrosion of facilities for the subsequent process and improves the properties of the polyarylene sulfide product such as thermal stability, so the method can be usefully applied to industrial fields in regard to the preparation of polyarylene sulfide.

    摘要翻译: 本发明涉及一种具有降低游离碘含量的聚芳硫醚的制备方法。 更具体地说,制备聚芳硫醚的方法包括:(a)使包含二碘芳族化合物和硫化合物的反应物聚合以形成聚芳硫醚; 和(b)将聚芳硫醚产物保持在100-260℃以进行热定型。 本发明的制备方法有效地降低了聚芳硫醚的游离碘含量,以防止随后工艺的设备的潜在腐蚀,提高聚芳硫醚产品的性能,如热稳定性,因此该方法可有效应用于工业 关于制备聚芳硫醚的领域。

    METHOD OF PREPARING IODINATED AROMATIC COMPOUNDS
    10.
    发明申请
    METHOD OF PREPARING IODINATED AROMATIC COMPOUNDS 有权
    制备芳族化合物的方法

    公开(公告)号:US20100222617A1

    公开(公告)日:2010-09-02

    申请号:US12599400

    申请日:2008-12-17

    IPC分类号: C07C17/06 C07C17/392

    摘要: The present invention relates to a method of preparing iodinated aromatic compounds, and more preferably a method of preparing iodinated aromatic compounds comprising a step of iodinating a reactant including an aromatic compound, a di-iodo aromatic compound or water, and iodine (I2) in the presence of a zeolite catalyst and oxygen. The method of the present invention has an advantage that by iodination of a reactant including the aromatic compound, and the di-iodo aromatic compound or water in the presence of the zeolite catalyst and oxygen, the temperature of the iodinating reactor can be controlled reliably and constantly, thereby resulting in improved productivity per unit weight of catalyst and inhibition of a side reaction in accordance with suppression of producing impurities. In addition, the productivity of the iodinated aromatic compound, preferably the di-iodo aromatic compound, more preferably a p-di-iodo aromatic compound can be improved, and thus can be widely used in the preparation of a di-iodo aromatic compound such as a p-di-iodo aromatic compound.

    摘要翻译: 本发明涉及一种制备碘化芳族化合物的方法,更优选的是制备碘化芳族化合物的方法,其包括将包含芳族化合物,二碘芳族化合物或水的反应物和碘(I 2)碘化的步骤 存在沸石催化剂和氧气。 本发明的方法具有的优点是,通过在沸石催化剂和氧气的存在下,通过碘化包含芳族化合物和二碘芳族化合物或水的反应物,可以可靠地控制碘化反应器的温度, 从而导致每单位重量催化剂的生产率提高,并且抑制副产物产生杂质。 此外,可以提高碘化芳香族化合物,优选二碘芳香族化合物,更优选对二碘芳香族化合物的生产率,因此可以广泛用于制备二碘芳族化合物,例如 作为对二碘芳族化合物。