公开(公告)号：US20170029575A1

公开(公告)日：2017-02-02

申请号：US15303393

申请日：2015-04-08

Applicant: TOYOBO CO., LTD.

Inventor： Kunihiro MAEDA ,  Hideto OHASHI ,  Satoru NAKAGAWA

IPC: C08J3/22 ,  C08K3/08 ,  C08J5/18 ,  C08K5/521

CPC classification number: C08J3/22 ,  C08G63/16 ,  C08J5/18 ,  C08J2367/02 ,  C08K3/08 ,  C08K5/521 ,  C08K2003/0825 ,  C08L67/00

Abstract: The present invention is a polyester composition for a masterbatch, which comprises a polyester, a magnesium compound, an alkali metal compound and a phosphorus compound, wherein magnesium atoms, alkali metal atoms and phosphorus atoms are contained in amounts of 400 to 2700 ppm by mass, 40 to 270 ppm by mass and 200 to 1700 ppm by mass, respectively, in the polyester composition, the melt resistivity of the polyester composition is 0.005×108 to 0.05×108 Ω·cm, and few contaminant particles are observed in the polyester composition under specified conditions. The polyester composition for a masterbatch has a satisfactorily low melt resistivity, contains few contaminant particles, and has an excellent color hue and excellent thermal stability.

Abstract translation: 本发明是一种母料用聚酯组合物，其包含聚酯，镁化合物，碱金属化合物和磷化合物，其中镁原子，碱金属原子和磷原子的含量为400〜2700质量ppm 在聚酯组合物中分别为40〜270质量ppm，200〜1700质量ppm，聚酯组合物的熔融电阻率为0.005×10 8〜0.05×10 8Ω·cm，在聚酯中观察到少量污染物 组成在规定的条件下。 母料的聚酯组合物具有令人满意的低熔体电阻率，含有很少的污染物颗粒，并且具有优异的色调和优异的热稳定性。