发明名称 |
POLYESTER RESIN AND METHOD FOR PREPARING THE SAME |
摘要 |
There is provided a polyester resin including: moieties of dicarboxylic acid components including terephthalic acid; and moieties of diol components including 5 to 60 mole % of isosorbide, 10 to 80 mole % of a cyclohexanedimethanol, and the balance of other diol compounds, wherein the polyester resin has an intrinsic viscosity of 0.5 to 1.0 dl/g and oxygen permeability of less than 20 cc*mm/(m2*day*atm), as measured by ASTM D 3985, and There is also provided a method for preparing the polyester resin, including: esterifying diol components including 5 to 60 mole % of isosorbide, 10 to 80 mole % of a cyclohexanedimethanol, and the balance of other diol compounds, with dicarboxylic acid components including terephthalic acid in the presence of an esterification reaction catalyst including a zinc compound; adding a phosphorus-based stabilizer to the esterification reaction mixture at the time when the degree of esterification reaches at least 80%; and subjecting the esterification reaction product to polycondensation. |
申请公布号 |
US2015148515(A1) |
申请公布日期 |
2015.05.28 |
申请号 |
US201314405189 |
申请日期 |
2013.05.21 |
申请人 |
SK CHEMICALS CO., LTD. |
发明人 |
Kim Ji-Hyun;Lee Yoo Jin |
分类号 |
C08G63/199;C08G63/83;C08G63/86 |
主分类号 |
C08G63/199 |
代理机构 |
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代理人 |
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主权项 |
1. A polyester resin comprising:
moieties of dicarboxylic acid components comprising terephthalic acid; and moieties of diol components comprising 5 to 60 mole % of isosorbide, 10 to 80 mole % of a cyclohexanedimethanol, and the balance of other diol compounds, wherein the polyester resin has an intrinsic viscosity of 0.5 to 1.0 dl/g, and oxygen permeability of less than 20 cc*mm/(m2*day*atm), as measured by ASTM D 3985. |
地址 |
Gyeonggi-do KR |