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    • 8. 发明授权
    • POLYAMIDE RESIN, COMPOSITION CONTAINING THE POLYAMIDE RESIN, AND MOLDED ARTICLES OF THE POLYAMIDE RESIN AND THE COMPOSITION
    • 聚酰胺树脂,含有聚酰胺树脂的组合物,以及聚酰胺树脂的成型制品和组合物
    • EP2305735B1
    • 2017-09-06
    • EP09773424.8
    • 2009-06-29
    • Toray Industries, Inc.
    • KATO, KoyaAKITA, MasaruMATSUOKA, Hideo
    • C08G69/00C08K3/00C08K9/04C08L77/00
    • C08G69/265C08G69/36C08K7/28C08L77/06
    • Disclosed is a polyamide resin which is produced by the polycondensation of (A) pentamethylenediamin, (B) terephthalic acid and/or a derivative thereof, and (C) at least one member selected from adipic acid, sebacic acid, undecanedioic acid, dodecanedioic acid, isophthalic acid, 1,9-diaminononane, 1,10-diaminodecane, 1,12-diaminododecane,caprolactam, undecalactam,laurolactam, aminocaproic acid, 11-aminoundecanoic acid, 12-aminododecanoic acid, and derivatives of these compounds. In the polyamide resin, the ratio of a repeating unit derived from the component (C) is 10 to 50 wt% (inclusive) relative to the total weight of the polymer. A solution of the polyamide resin in 98 % sulfuric acid, which contains the polyamide resin at a concentration of 0.01 g/ml, has a relative viscosity of 1.5 to 4.5 at 25°C.
    • (A)五亚甲基二胺,(B)对苯二甲酸和/或其衍生物,和(C)选自己二酸,癸二酸,十一烷二酸,十二烷二酸的至少一种的缩聚制得的聚酰胺树脂 ,间苯二甲酸,1,9-二氨基壬烷,1,10-二氨基癸烷,1,12-二氨基十二烷,己内酰胺,十一内酰胺,月桂内酰胺,氨基己酸,11-氨基十一烷酸,12-氨基十二烷酸以及这些化合物的衍生物。 在聚酰胺树脂中,相对于聚合物的总重量,源自组分(C)的重复单元的比例为10至50重量%(包括端值)。 含有浓度为0.01g / ml的聚酰胺树脂的98%硫酸中的聚酰胺树脂溶液在25℃时的相对粘度为1.5〜4.5。
    • 9. 发明公开
    • METHOD FOR MANUFACTURING CRYSTALLINE POLYAMIDE RESIN
    • VERFAHREN ZUR HERSTELLUNG EINES KRISTALLINEN POLYAMIDHARZES
    • EP2746315A1
    • 2014-06-25
    • EP12823636.1
    • 2012-08-13
    • Toray Industries, Inc.
    • KATO, KoyaMASUNAGA, AtsushiHATANO, EriMATSUOKA, Hideo
    • C08G69/28C08G69/26C08K3/00C08K5/00C08L77/06
    • C08G69/28C08G69/265C08G69/36C08K5/005C08K7/06C08K7/14C08L77/06
    • There is provided a production method of a crystalline polyamide resin by thermal polycondensation of a mixture including at least a diamine component, a dicarboxylic acid component and water as a starting material, wherein the diamine component includes (A) pentamethylene diamine at a ratio that is equal to or greater than 10 mol% and less than 80 mol% relative to a gross amount of the diamine component; and the dicarboxylic acid component includes (B) at least one selected from the group consisting of an aromatic dicarboxylic acid, an alicyclic dicarboxylic acid and dialkyl ester derivatives thereof at a ratio that is equal to or greater than 76 mol% and equal to or less than 100 mol% relative to a gross amount of the dicarboxylic acid component, the production method comprising: a first step that heats the above mixture, which has a water content equal to or less than 30% by weight, at a temperature equal to or higher than 200°C under a pressure of 1.8 to 3.5 MPa to perform polycondensation with distillation of water; a second step that releases pressure to an atmospheric pressure level, subsequent to the first step; and a third step that continues thermal polycondensation subsequent to the second step, so as to obtain the crystalline polyamide resin, the third step performing high-degree melt polymerization at a temperature that is equal to or higher than a melting point of the crystalline polyamide resin until a relative viscosity at 25°C of a solution prepared by dissolving the obtained crystalline polyamide resin at a concentration of 0.01 mg/mL in 98% sulfuric acid reaches between 1.8 and 3.5.
    • 提供了结晶性聚酰胺树脂的制造方法,其中通过以至少二胺成分,二羧酸成分和水为原料的混合物进行热缩聚而得到的结晶性聚酰胺树脂,其中二胺成分包含(A)五亚甲基二胺, 相对于二胺成分的总量为10摩尔%以上且小于80摩尔% 并且所述二羧酸成分包含(B)选自芳族二羧酸,脂环族二羧酸及其二烷基酯衍生物中的至少一种,其比例等于或大于76摩尔%且等于或小于 相对于二羧酸成分的总量为100摩尔%以下的制造方法,其特征在于,包括:在等于或等于或等于30℃的温度下加热上述混合物的水含量等于或小于30重量%的第一步骤, 在1.8〜3.5MPa的压力下高于200℃进行水蒸馏缩聚; 在第一步骤之后将压力释放到大气压力水平的第二步骤; 以及第三步骤,继续第二步骤之后的热缩聚,得到结晶性聚酰胺树脂,第三步骤在结晶性聚酰胺树脂的熔点以上的温度下进行高度熔融聚合 直到通过将得到的结晶性聚酰胺树脂以0.01mg / mL的浓度溶解在98%硫酸中而制备的溶液在25℃下的相对粘度达到1.8〜3.5。