申请人:——
公开号:US20020042496A1
公开(公告)日:2002-04-11
A polyester is a polycondensation product of (i) a diol component and (ii) a dicarboxylic acid component. In this polyester, the diol component (i) includes a tricyclo[3.3.1.1
3,7
]decanediol of following Formula (1):
1
wherein n is 0 or a positive integer, and carbon atoms constituting a ring may each have a substituent, or the dicarboxylic acid component (ii) includes a tricyclo[3.3.1.1
3,7
]decanedicarboxylic acid of following Formula (2):
2
wherein m is 0 or a positive integer, and carbon atoms constituting a ring may each have a substituent. The polyester has high heat resistance, low water absorbency, excellent optical characteristics and satisfactory moldability.
聚酯是(i)二元醇组分和(ii)二羧酸组分的缩聚产物。在这种聚酯中,二元醇组分 (i) 包括三环[3.3.1.1
3,7
式(1)的三环癸二醇:
1
其中 n 为 0 或正整数,构成环的碳原子可各自具有一个取代基,或二羧酸组分(ii)包括三环[3.3.1.1
3,7
]癸二酸的下式(2):
2
其中 m 为 0 或正整数,构成环的碳原子上可各有一个取代基。这种聚酯具有高耐热性、低吸水性、优异的光学特性和令人满意的成型性。