Patent · US Active

Polymer compositions comprising semi-aromatic polyamides and graphene materials

US9139732B2 · kind B2 · utility

2Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 23, 2011
Grant dateSep 22, 2015
Priority date
Expiry dateApr 6, 2032

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2205/03
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A polymer composition having improved processing properties, in particular improved crystallization behavior, comprising a semi-aromatic polyamide and a graphene material. The graphene material may be a nano-graphene platelet. The semi-aromatic polyamide may comprise recurring units obtainable by a polycondensation reaction between at least one aromatic diamine and at least one non-aromatic diacid or derivatives thereof and/or recurring units obtainable by a polycondensation reaction between at least one aromatic diacid or derivatives thereof and at least one non-aromatic diamine. The composition may further comprise a polyamide different than the semi-aromatic polyamide. The composition may further comprise a filler.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.