公开(公告)号：US20210061987A1

公开(公告)日：2021-03-04

申请号：US16644249

申请日：2018-09-10

Applicant: HEXCEL COMPOSITES LIMITED

Inventor： Nicholas VERGE ,  Christopher J. E. HARRINGTON

IPC: C08L63/04 ,  C08J5/24 ,  C09J163/04

Abstract: This invention relates to a resin composition. The resin composition comprises a first polyfunctional epoxy component (i) comprising an epoxy resin based on a alkylol alkane triglycidyl ether monomer, and a second component, (ii) comprising an epoxy resin. The composition further comprise a third component, (iii) comprising a hydrazide based curative in combination with either (a) a urone based curative or (b) an imidazole based curative or both.

公开(公告)号：US20210198420A1

公开(公告)日：2021-07-01

申请号：US17267889

申请日：2019-08-30

Applicant: HEXCEL COMPOSITES LIMITED

Inventor： Christopher Robert MASON ,  Nicholas VERGE

IPC: C08G59/68 ,  C08K5/544 ,  C08K5/25 ,  C08G59/40 ,  C08G59/70

Abstract: A curative system comprising a combination of adipic acid dihydrazide and/or isophthalic dihydrazide and a clathrate in which the guest compound of the clathrate comprises an imidazole, an imidazoline or diazabicycloalkanes (DBCA).

公开(公告)号：US20210246276A1

公开(公告)日：2021-08-12

申请号：US17049869

申请日：2019-05-17

Applicant: HEXCEL COMPOSITES LIMITED ,  HEXCEL HOLDING GMBH

Inventor： Nicholas VERGE ,  Thorsten GANGLBERGER

IPC: C08J5/24 ,  C08G59/24 ,  C08G59/40

Abstract: A curative resin containing at least 50 wt % of an epoxy phenolic resin comprising a mixture of a carboxylic hydrazide and a hydroxy substituted urone.