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US 8,592,529 B2Granted
Resin composition comprising a cyclic carbodiimide
AssigneeTeijin Limited
InventorsShinichiro Shoji, Hirotaka Suzuki
Life of this patent
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Abstract
A resin composition which comprises a polyester and is free from a smell produced from a free isocyanate compound. The resin composition comprises a polyester (component A) whose end is modified and a compound including a cyclic structure having one carbodiimide group whose first nitrogen and second nitrogen are bonded together by a bond group (component B).
Claims2
A resin composition comprising a polyester (component A) and a compound including a cyclic structure (component B),
- wherein the main chain of the polyester (component A) is essentially composed of a recurring unit represented by the following formula (II) and at least part of an end of the polyester is sealed with the component B:
- wherein n is an integer of 2 to 4, and Ar is a 1,4-phenylene group or a 2,6-naphthalenediyl group,
- wherein the compound including a cyclic structure (component B) is a compound represented by the following formula (4-1-1):
- wherein Xc1 is an alkanetetrayl group having 1 to 20 carbon atoms, and Arc1, Arc2, Arc3 and Arc4 are each independently an arylene group having 5 to 15 carbon atoms which may be substituted.
1 more element
Dependencies are inferred from the claim text.