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US 8,785,590 B2Granted
Polyamide
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorsKentaro Ishii, Shun Ogawa
Life of this patent
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Abstract
The invention provides a polyamide having a dicarboxylic acid unit containing a decahydronaphthalenedicarboxylic acid unit in an amount of 60 mol % or more, and a diamine unit.
Claims10
A transparent polyamide, comprising:
- a dicarboxylic acid unit comprising 95 mol % or more of a 2,6-decahydronaphthalenedicarboxylic acid unit, and
- a diamine unit comprising 70 mol % or more of at least one unit selected from the group consisting of an m-xylylenediamine unit, a p-xylylenediamine unit, a 1,3-bis(aminomethyl)cyclohexane unit, and a 1,4-bis(aminomethyl)cyclohexane unit.
Dependencies are inferred from the claim text.