发明名称 |
POLYTRIMETHYLENE TEREPHTHALATE RESIN |
摘要 |
A polytrimethylene terephthalate resin comprising: 90 to 100 mole % of trimethylene terephthalate recurring units, and 0 to 10 mole % of at least one monomer unit obtained from a comonomer other than the monomers used for forming the recurring units and copolymerizable with at least one of the monomers used for forming the recurring units, which resin has the following characteristics: (A) an intrinsic viscosity [,q] of from 0.8 to 4.0 dl/g; (B) an Mw/Mn of from 2.0 to 2.7; (C) a psychometric lightness L-value (L-1) of from 70 to 100 and a psychometric chroma b*-value (b*-1) of from -5 to 25; and (D) a psychometric lightness L-value (L-2) of from 70 to 100 and a psychometric chroma b*-value (b*-2) of from -5 to 25 as measured after heating the resin at 180 ° C for 24 hours in air. |
申请公布号 |
CA2483579(C) |
申请公布日期 |
2010.04.13 |
申请号 |
CA20032483579 |
申请日期 |
2003.06.13 |
申请人 |
ASAHI KASEI KABUSHIKI KAISHA |
发明人 |
FUJIMOTO, KATSUHIRO;AZUMA, YOICHIRO;HISADA, TSUTOMU |
分类号 |
C08G63/183;C08G63/78 |
主分类号 |
C08G63/183 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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