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公开(公告)号：US11939421B2
公开(公告)日：2024-03-26
申请号：US17267889
申请日：2019-08-30
Applicant: HEXCEL COMPOSITES LIMITED
Inventor： Christopher Robert Mason , Nicholas Verge
IPC: C08G59/40 , C07C257/22 , C07D235/00 , C07D247/02 , C08G59/00 , C08G59/68 , C08G59/70 , C08K5/25 , C08K5/544
CPC classification number: C08G59/686 , C07C257/22 , C07D235/00 , C07D247/02 , C08G59/00 , C08G59/4014 , C08G59/4035 , C08G59/70 , C08K5/25 , C08K5/5477
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).
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公开(公告)号：US11879052B2
公开(公告)日：2024-01-23
申请号：US17603209
申请日：2020-04-17
Applicant: HEXCEL COMPOSITES LIMITED
Inventor： Christopher Robert Mason
IPC: C08K5/5313 , C08K5/3445
CPC classification number: C08K5/5313 , C08K5/3445 , C08K5/3445 , C08K5/5313
Abstract: The host compound in a clathrate is an amino or hydroxyl containing aromatic phosphorous compound, clathrates containing a resin curative and their use in curable resin compositions to produce moulded articles particularly fibre reinforced articles.
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公开(公告)号：US11702516B2
公开(公告)日：2023-07-18
申请号：US16769762
申请日：2018-12-20
Applicant: HEXCEL COMPOSITES LIMITED
CPC classification number: C08J3/241 , C08G59/50 , C08J5/243 , C08K5/09 , C08K5/13 , C08K5/3445 , C08K9/10 , C08L63/00 , C08J2363/00
Abstract: This invention relates to a curative composition and its use in curing epoxy resins and prepregs, adhesives and moulded materials derived therefrom. The curative composition comprises a clathrate comprising a host component and a guest component, the host comprising a carboxylic acid or ester compounds as defined or phenolphthalin and the guest comprising an imidazole or imidazoline component.
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