Title:
チタン含有ＰＥＴコポリエステル及びそれからなる肉厚のプリフォーム及び再充填可能な大容量容器
Document Type and Number:
Japanese Patent JP5707103
Kind Code:
B2
Abstract:
A titanium-containing PET copolyester has an intrinsic viscosity of 0.72-0.90 dl/g and a maximum amount of heat released during crystallization transition through a DSC analysis at a given heating rate of 20° C./min being less than 10 joules/gram, which contains polyethylene terephthalate as a major component and contains titanium component in an amount of 2-25 ppm based on the total copolyester weight, X mole % of isophthalic acid based on the copolyester, Y mole % of diethylene glycol based on the copolyester, Z mole % of 2,6-naphthalene dicarboxylic acid based on the copolyester, wherein X, Y, Z conforms to the following conditions: 0≰X≰2.5; 1.0≰Y≰2.5; 0≰Z≰2.5; 2.5≰X+Y+Z≰7.5; and the PET copolyester is suitable for manufacturing an injection stretch blow molded refillable container having an inner volume of greater than 10 litters and capable of being returnable and refillable up to 20 loops of returning.
Inventors:
Simple spring
Application Number:
JP2010255034A
Publication Date:
April 22, 2015
Filing Date:
November 15, 2010
Export Citation:
Assignee:
Nanya Plastic Industry Co., Ltd.
International Classes:
C08G63/85; B29B11/08; B29C49/06; B65D65/42; C08G63/16
Domestic Patent References:
| JP2001510869A | ||||
| JP11034152A | ||||
| JP2007504352A |
Attorney, Agent or Firm:
Sakuo Yamaguchi