BRANCHED POLYAMIDE
    11.
    发明申请
    BRANCHED POLYAMIDE 有权
    分支聚酰胺

    公开(公告)号:US20150148518A1

    公开(公告)日:2015-05-28

    申请号:US14130612

    申请日:2012-06-26

    摘要: The invention relates to a branched polyamide prepolymer obtained or obtainable by polymerization of a polyamide forming monomer mixture, comprising AA-BB repeat units and branching units derived from diamines (monomer A) dicarboxylic acids (monomer B), and/or a salt of A and B, and a higher functional monomer (monomer C) present in a molar amounts defined by formula I and formula II: MC=(Q/FC)*(MA+MB) (Formula I) and R=((MA*2)+(MC*FCA))/((MB*2)+(MC*FCB)) (Formula II) wherein—MA, MB and MC represent the molar amounts of repeat units derived from the monomers A, B and C, respectively;—FC represent the functionality of monomer C, and is equal to FC-A+FC-B;—FC-A is the number of the amino functional groups comprised by monomer C;—FC-B is the number of carboxyl functional groups or precursor groups thereof comprised by monomer C;—Q is a number in the range of 0.06-1.00; and—R is a number in the range of 0.7-1.3, which polyamide prepolymer has a viscosity number (VN), measured according to ISO 307, in the range of 7-30 mL/g. The invention also relates to a process for preparing a branched polyamide polymer, comprising (1) a melt-mixing step wherein an essentially linear polyamide (pre)polymer and a branched polyamide prepolymer are provided to and mixed and heated in a melt mixing apparatus, thereby forming a mixed melt, and the mixed melt being cooled, thereby forming a solid mixture; and (2) a solid state post condensation step wherein the solid mixture is post-condensed at elevated temperature in the solid state, thereby forming a high molecular weight branched polyamide polymer.

    摘要翻译: 本发明涉及通过聚合形成聚酰胺的单体混合物获得或获得的支链聚酰胺预聚物,其包含AA-BB重复单元和衍生自二胺(单体A)二羧酸(单体B)的支化单元和/或A 和B,和以式I和式II定义的摩尔量存在的较高官能单体(单体C):MC =(Q / FC)*(MA + MB)(式I)和R =((MA * 2 )+(MC * FCA))/((MB * 2)+(MC * FCB))(式II)其中-MA,MB和MC表示衍生自单体A,B和C的重复单元的摩尔量, -FC表示单体C的功能,并且等于FC-A + FC-B; -FC-A是由单体C包含的氨基官能团的数目; -FC-B是羧基官能团的数目 基团或前体基团由单体C组成; -Q为0.06-1.00的数值; -R为0.7-1.3的数值,该聚酰胺预聚物根据ISO 307测量的粘度数(VN)为7-30mL / g。 本发明还涉及一种制备支化聚酰胺聚合物的方法,其包括(1)熔融混合步骤,其中在熔融混合装置中提供基本上线性的聚酰胺(预)聚合物和支化聚酰胺预聚物并将其混合并加热, 从而形成混合熔体,并将混合的熔体冷却,从而形成固体混合物; 和(2)固态后冷凝步骤,其中固体混合物在固体状态下在升高的温度下后冷凝,从而形成高分子量支化聚酰胺聚合物。

    Solid-state post-condensation process for increasing the molecular weight of a polyamide
    12.
    发明申请
    Solid-state post-condensation process for increasing the molecular weight of a polyamide 有权
    用于提高聚酰胺分子量的固态后缩合方法

    公开(公告)号:US20050119444A1

    公开(公告)日:2005-06-02

    申请号:US10501733

    申请日:2003-01-07

    摘要: The invention relates to a process for increasing the molecular weight of a polyamide via solid-state post-condensation by exposing the polyamide in the solid-state at elevated temperature to an inert gas atmosphere, that comprises a step (a) wherein the gas atmosphere to which the polyamide is exposed has a dew temperature Tdew-1, followed by a step (b) wherein the gas atmosphere to which the polyamide is exposed has a dew temperature Tdew-2, whereby Tdew-1 is higher than Tdew-2. The effect is that a high molecular weight polyamide can be obtained in a shorter production time.

    摘要翻译: 本发明涉及一种通过将固体状态的聚酰胺在升高的温度下暴露于惰性气体气氛中,通过固态后冷凝来提高聚酰胺的分子量的方法,其包括步骤(a),其中气体气氛 聚酰胺露出的露水温度为露水-1,然后是暴露于聚酰胺的气体气氛具有露点温度T 2的步骤(b) 其中T 的露水比T 2露2更高。 其效果是可以在更短的生产时间内获得高分子量聚酰胺。

    Copolyamide based on tetramethylene terephthalamide and hexamethylene terephthalamide
    13.
    发明授权
    Copolyamide based on tetramethylene terephthalamide and hexamethylene terephthalamide 有权
    基于对苯二甲酰对苯二胺和对苯二甲酰己二胺的共聚酰胺

    公开(公告)号:US06747120B2

    公开(公告)日:2004-06-08

    申请号:US10109055

    申请日:2002-03-29

    IPC分类号: C08G6902

    摘要: The invention relates to a semi-aromatic polyamide containing at least tetramethylene terephthalamide units and also hexamethylene terephthalamide units. The copolyamide has a melting point higher than approximately 290° C., a high crystallinity and a good stability. Preferably the copolyamide according to the invention contains approximately 30-75 mol % hexamethylene terephthalamide units and also approximately 0.01-20 mol % other units. The invention also relates to a process for the preparation of a semi-aromatic copolyamide containing at least tetramethylene terephthalamide units and hexamethylene terephthalamide units, characterized in that, successively, a first polymerization is effected in the melt phase, followed by an post-polymerization of the low molar mass polymer thus obtained in the solid phase; and to compositions and products that contain said copolyamide.

    摘要翻译: 本发明涉及至少含有对苯二甲酰胺单元和对苯二甲酰己二胺单元的半芳族聚酰胺。共聚酰胺的熔点高于约290℃,结晶度高,稳定性好。优选本发明的共聚酰胺 含有约30-75摩尔%的对苯二甲酰己二胺单元和约0.01-20摩尔%的其它单元。本发明还涉及制备至少含有对苯二甲酰胺单元和对苯二甲酰己二胺单元的半芳族共聚酰胺的方法,其特征在于 接着在熔融相中进行第一次聚合,然后在固相中由此获得的低摩尔质量聚合物进行后聚合; 以及含有所述共聚酰胺的组合物和产品。

    Semi-aromatic polyamide
    14.
    发明授权

    公开(公告)号:US09890247B2

    公开(公告)日:2018-02-13

    申请号:US13695345

    申请日:2011-04-28

    申请人: Rudy Rulkens

    发明人: Rudy Rulkens

    摘要: The invention relates to a semi-aromatic polyamide, and a polyamide composition comprising the semi-aromatic polyamide, comprising a diamine component (a) comprising, based on the total number of moles of the diamine component (a): between 5 and 30 mole % of at least one C2-C5 diamine, between 5 and 30 mole % of at least one C7+ diamine, and between 45 and 90 mole % of a C6 diamine; and a dicaboxylic acid component (b) comprising, based on the total number of moles of the dicaboxylic acid component (b): at least 50 mole % of terephthalic acid and at most 50 mole % of another dicarboxylic acid.

    Semi-crystalline semi-aromatic polyamide
    15.
    发明授权
    Semi-crystalline semi-aromatic polyamide 有权
    半结晶半芳族聚酰胺

    公开(公告)号:US09428612B2

    公开(公告)日:2016-08-30

    申请号:US12161602

    申请日:2007-01-23

    摘要: The invention relates to a semi-crystalline semi-aromatic polyamide comprising A-A-B-B units derived from (a) dicarboxylic acids consisting of a mixture of aromatic dicarboxylic acid and aliphatic dicarboxylic acid and (b) diamines consisting of a mixture of long chain aliphatic diamine and short chain aliphatic diamine, wherein (a-i) the aromatic dicarboxylic acid consists for at least 80 mole % of terephthalic acid, and (a-ii) the aliphatic dicarboxylic acid constitutes at least 5 mole % of the dicarboxylic acids, (b-i) the short chain aliphatic diamine constitutes at least 10 mole % of the diamines, and (c) the aromatic dicarboxylic acid and the long chain aliphatic diamine constitute 60-90 mole % of the total molar amount of dicarboxylic acids and diamines.

    摘要翻译: 本发明涉及一种半结晶半芳族聚酰胺,其包含衍生自(a)由芳族二羧酸和脂族二羧酸的混合物组成的二羧酸的AABB单元和(b)由长链脂族二胺和短链脂肪族二胺的混合物组成的二胺 链烯基二胺,其中(ai)芳族二羧酸由至少80摩尔%的对苯二甲酸组成,和(a-ii)脂族二羧酸构成至少5摩尔%的二羧酸,(bi)短链 脂肪族二胺占二胺的至少10摩尔%,(c)芳族二羧酸和长链脂肪族二胺构成二羧酸和二胺的总摩尔量的60〜90摩尔%。

    Branched polyamide with different blocks
    16.
    发明授权
    Branched polyamide with different blocks 有权
    分支聚酰胺与不同的块

    公开(公告)号:US09376535B2

    公开(公告)日:2016-06-28

    申请号:US14130610

    申请日:2012-06-25

    摘要: The invention relates to a high molecular weight branched polyamide polymer comprising (a) blocks predominantly consisting of AA-BB repeat units, (b) blocks predominantly consisting of AB repeat units, and (c) branching units. The invention also relates to a process for the preparation of the high molecular weight branched polyamide polymer, comprising (1) a melt-mixing step wherein an essentially linear polyamide prepolymer (X-1), predominantly consisting of AA-BB repeat units, an essentially linear polyamide (pre)polymer (X-2), predominantly consisting of AB repeat units, and a branching agent are provided to and mixed and heated in a melt mixing apparatus, thereby forming a mixed melt, and the mixed melt being cooled, thereby forming a solid mixture; and (2) a solid state post condensation step wherein the solid mixture is post-condensed at elevated temperature in the solid state, thereby forming a high molecular weight branched polyamide polymer.

    摘要翻译: 本发明涉及一种高分子量支化聚酰胺聚合物,其包含(a)主要由AA-BB重复单元组成的嵌段,(b)主要由AB重复单元组成的嵌段,和(c)支化单元。 本发明还涉及制备高分子量支化聚酰胺聚合物的方法,其包括(1)熔融混合步骤,其中主要由AA-BB重复单元组成的基本上线性的聚酰胺预聚物(X-1), 提供主要由AB重复单元组成的基本上线性的聚酰胺(预)聚合物(X-2)和支化剂,并在熔融混合装置中混合并加热,从而形成混合熔体,并将混合的熔体冷却, 从而形成固体混合物; 和(2)固态后冷凝步骤,其中固体混合物在固体状态下在升高的温度下后冷凝,从而形成高分子量支化聚酰胺聚合物。

    E/E connector and polymer composition used therein
    17.
    发明授权
    E/E connector and polymer composition used therein 有权
    E / E连接器和其中使用的聚合物组合物

    公开(公告)号:US09080029B2

    公开(公告)日:2015-07-14

    申请号:US12670227

    申请日:2008-07-17

    摘要: This invention relates to a flame retardant polyamide composition comprising a semi-aromatic polyamide, a flame retardant system and a reinforcing agent, wherein the semi-aromatic polyamide comprises units derived from dicarboxylic acids comprising terephthalic acid and aliphatic dicarboxylic acids, and aliphatic diamines. In the semi-aromatic polyamide the aliphatic diamines consist of 10-70 mole % of a short chain aliphatic diamine with 2-5 C atoms and 30-90 mole % of a long chain aliphatic diamine with at least 6 C atoms; the dicarboxylic acids consist of 5-65 mole % aliphatic dicarboxylic acid and optionally aromatic dicarboxylic acid other than terephthalic acid and 35-95 mole % terephthalic acid; and the combined molar amount of terephthalic acid and the long chain aliphatic diamine is at least 60 mole %, relative to the total molar amount of the dicarboxylic acids and diamines. The invention also relates to a housing for an electrical/electronic (E/E) connector and use therein of the flame retardant polyamide composition, to a surface mounting process wherein the E/E connector is used and to a surface mounted device comprising the E/E connector.

    摘要翻译: 本发明涉及包含半芳族聚酰胺,阻燃剂体系和增强剂的阻燃聚酰胺组合物,其中半芳族聚酰胺包含衍生自对苯二甲酸和脂族二羧酸的二羧酸的单元和脂族二胺。 在半芳族聚酰胺中,脂族二胺由10-70摩尔%的具有2-5个C原子的短链脂族二胺和30-90摩尔%的具有至少6个C原子的长链脂族二胺组成; 二羧酸由5-65摩尔%脂族二羧酸和除对苯二甲酸和35-95摩尔%对苯二甲酸之外的任选的芳族二羧酸组成; 相对于二羧酸和二胺的总摩尔量,对苯二甲酸和长链脂族二胺的组合摩尔量为至少60摩尔%。 本发明还涉及一种用于电气/电子(E / E)连接器的壳体,其中使用阻燃聚酰胺组合物,其中使用E / E连接器的表面安装过程和包括E / E连接器。

    SEMI-AROMATIC POLYAMIDE
    18.
    发明申请
    SEMI-AROMATIC POLYAMIDE 有权
    半芳族聚酰胺

    公开(公告)号:US20130150525A1

    公开(公告)日:2013-06-13

    申请号:US13695345

    申请日:2011-04-28

    申请人: Rudy Rulkens

    发明人: Rudy Rulkens

    IPC分类号: C08G69/26

    摘要: The invention relates to a semi-aromatic polyamide, and a polyamide composition comprising the semi-aromatic polyamide, comprising a diamine component (a) comprising, based on the total number of moles of the diamine component (a): between 5 and 30 mole % of at least one C2-C5 diamine, between 5 and 30 mole % of at least one C7+ diamine, and between 45 and 90 mole % of a C6 diamine; and a dicaboxylic acid component (b) comprising, based on the total number of moles of the dicaboxylic acid component (b): at least 50 mole % of terephthalic acid and at most 50 mole % of another dicarboxylic acid.

    摘要翻译: 本发明涉及半芳族聚酰胺和包含半芳族聚酰胺的聚酰胺组合物,其包含二胺组分(a),其基于二胺组分(a)的总摩尔数:5-30摩尔 %的至少一种C 2 -C 5二胺,5至30摩尔%的至少一种C 7+二胺和45至90摩尔%的C 6二胺; 和二羧酸组分(b),其包含基于二十八烷酸组分(b)的总摩尔数:至少50摩尔%的对苯二甲酸和至多50摩尔%的另一种二羧酸。

    ELECTROSPINNING OF POLYAMIDE NANOFIBERS
    19.
    发明申请
    ELECTROSPINNING OF POLYAMIDE NANOFIBERS 审中-公开
    聚氨酯纳米纤维的电纺

    公开(公告)号:US20120145632A1

    公开(公告)日:2012-06-14

    申请号:US13376445

    申请日:2009-07-15

    摘要: The invention relates to a process for the preparation of polyamide nanofibers by electrospinning, wherein the process is a multi-nozzle electrospinning process with the use of a multi-nozzle device or a nozzle-free electrospinning with the use of nozzle free device, comprising steps wherein a high voltage is applied, a polymer solution comprising a polymer and a solvent is fed to the multi-nozzle device or the nozzle free device and transformed under the influence of the high voltage into charged jet streams the jet streams are deposited on a substrate or taken up by a collector, and the polymer in the jet streams solidifies thereby forming nanofibres, and wherein the polymer comprises a semi-crystalline polyamide having a C/N ratio of at most 5.5 and a weight average molecular weight (Mw) of at most 35,000. The invention also relates polyamide nanofibers made by the electrospinning process, as well as to products made thereof and use thereof.

    摘要翻译: 本发明涉及一种通过静电纺丝制备聚酰胺纳米纤维的方法,其中该方法是使用多喷嘴装置或无喷嘴的静电纺丝的多喷嘴静电纺丝方法,其中使用无喷嘴的装置,包括步骤 其中施加高电压,将包含聚合物和溶剂的聚合物溶液供给到多喷嘴装置或无喷嘴装置,并在高压影响下转化为带电喷射流,喷射流沉积在基板上 或由收集器吸收,并且喷射流中的聚合物固化从而形成纳米纤维,并且其中聚合物包含C / N比至多5.5的半结晶聚酰胺和重均分子量(Mw)在 最多35,000。 本发明还涉及通过静电纺丝方法制造的聚酰胺纳米纤维,以及由其制成的产品及其用途。

    PROCESS FOR PREPARING INJECTION MOLDED PARTS WITH DECREASED GLASS FIBER READ OUT
    20.
    发明申请
    PROCESS FOR PREPARING INJECTION MOLDED PARTS WITH DECREASED GLASS FIBER READ OUT 有权
    用玻璃纤维读出来制备注塑成型件的工艺

    公开(公告)号:US20120043700A1

    公开(公告)日:2012-02-23

    申请号:US13203522

    申请日:2010-02-08

    IPC分类号: B29C45/72 C08K7/14

    摘要: The present invention relates to a process for preparing an injection molded part, comprising the following steps: a preparing a glass fiber reinforced polyamide-6 composition with a relative viscosity of less than 2.4; b heating a such composition to obtain a viscous liquid; c filling a mold cavity with the viscous liquid with a filling time of at least 0.8 s; d leaving the viscous liquid in the mold under pressure until it cools to form a part; e opening the mold; f ejecting the part; wherein the polyamide-6 composition has a crystallization temperature under hyper DSC conditions of less than 168° C. The invention also relates to an injection molded part a having a maximum wall thickness of at least 2.5 mm; and/or b a part weight of at least 100 g per injection point; wherein the part consists of a glass fiber reinforced semi-crystalline polyamide-6 composition having a relative solution viscosity of less than 2.4, wherein the polyamide-6 composition has a crystallization temperature under hyper DSC conditions of less than 168° C.

    摘要翻译: 本发明涉及一种注射成型部件的制备方法,包括以下步骤:制备相对粘度小于2.4的玻璃纤维增​​强聚酰胺-6组合物; b加热这样的组合物以获得粘稠液体; c用粘稠液体填充模腔,填充时间至少为0.8s; d在压力下将粘性液体留在模具中直到其冷却以形成部件; 打开模具; f弹出零件; 其中所述聚酰胺-6组合物在超过DSC条件下的结晶温度低于168℃。本发明还涉及具有至少2.5mm的最大壁厚的注塑部分a; 和/或b每个注射点至少100g的部分重量; 其中该部分由相对溶液粘度小于2.4的玻璃纤维增​​强半结晶聚酰胺-6组合物组成,其中聚酰胺-6组合物在高DSC条件下的结晶温度小于168℃。