Emmett Dudley Crawford;Gary Wayne Connell;David Scott Porter
发明人:
Emmett Dudley Crawford,David Scott Porter,Gary Wayne Connell
申请号：
US13162870
公开号：
US09181387B2
申请日:
2011.06.17
申请国别(地区):
US
年份:
2015
代理人:
摘要：
Described are polyester compositions comprising (a) a dicarboxylic acid component comprising 80 to 100 mole % terephthalic acid residues； optionally, aromatic dicarboxylic acid or aliphatic dicarboxylic acid residues； 30 to 40 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues, where said 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues comprise at least 55 mole % cis-2,2,4,4-tetramethyl-1,3-cyclobutanediol； and 60 to 70 mole % 1,4-cyclohexanedimethanol residues.
