The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 2018
Filed:
Jul. 24, 2014
Toray Industries, Inc., Tokyo, JP;
TORAY INDUSTRIES, INC., Tokyo, JP;
Abstract
An epoxy resin composition comprising the following constituents [A], [B], and [C]: [A] an epoxy resin having a structure represented by a formula (1); in which a ring Z represents a condensed polycyclic aromatic hydrocarbon ring, Rand Rrepresent a substituent, Rrepresents a hydrogen atom or a methyl group, k is an integer of 0 to 4, m is an integer of 0 or more, and n is an integer of 1 or more;[B] at least one resin selected from the group consisting of the following [Bx], [By] and [Bz];[Bx] a bisphenol type epoxy resin;[By] an amine type epoxy resin; and[Bz] a thermoplastic resin;[C] a polyamine curing agent.Provided is an epoxy resin composition which provides a cured product having excellent heat resistance, toughness and elastic modulus.