公开(公告)号：US20220267543A1

公开(公告)日：2022-08-25

申请号：US17625157

申请日：2020-07-19

Applicant: HEXCEL COMPOSITES LIMITED

Inventor： Mark WHITER ,  Ben TIPLER ,  Mathilde MAILLOT

IPC: C08J5/24 ,  C08K3/40

Abstract: A prepreg or semipreg precursor comprising a fibre reinforcement and a resin composition fused thereto, the resin composition containing at least one epoxy resin and a latent curing agent, wherein the epoxy resin and the latent curing agent form a solid phase at ambient temperature, the latent curing agent forming a discrete phase within the epoxy resin. The stabilized uncured resin composition and prepregs and semipregs incorporating the same are easy to handle, have desirable curing temperatures and show good outlife at ambient to mid range temperatures.

公开(公告)号：US11358349B2

公开(公告)日：2022-06-14

申请号：US17293353

申请日：2019-11-08

Applicant: HEXCEL COMPOSITES LIMITED

Inventor： Marco Arcidiacono

IPC: B29C70/54 ,  B29C70/38 ,  B29K307/04 ,  B29K309/08 ,  B29L31/08

Abstract: A method of manufacture of a composite component is provided, the method comprising the steps of providing two layers of pre-preg composite material, one of which has an edge adjacent a surface of the other. Pressure and, optionally, vibrational energy is applied to the edge to thereby smooth the ply drop.

公开(公告)号：US11332607B2

公开(公告)日：2022-05-17

申请号：US15734008

申请日：2019-06-13

Applicant: HEXCEL COMPOSITES LIMITED

Inventor： Dana Blair

IPC: C08J5/24 ,  C08L63/04 ,  C08L63/02 ,  C08L63/00 ,  C08G59/38 ,  C08G59/24 ,  C08G59/30 ,  C08G59/40 ,  C08J5/04 ,  C08K3/02 ,  C08K3/22 ,  C08K3/32 ,  C08K5/3492 ,  C08K5/52

Abstract: Formulations comprising from 10 to 80% by weight of the formulation of a halogenated epoxy resin; from 1 to 15% by weight of the formulation of an antimony based fire retardant; from 1 to 10% by weight of the formulation of an inorganic or non-polymeric organic phosphorous containing fire retardant; and from 1 to 30% by weight of the formulation of a curative system are provided. The formulations are particularly suitable for producing aircraft interior composite components having good fire retarding properties, low smoke emission, low smoke toxicity and low heat release properties. The formulations also have excellent processing and mechanical properties. Further components may be included in the compositions to improve various properties, including the fire retarding, low smoke emission, low smoke toxicity and low heat release properties and to also further improve the processing and mechanical properties, including toughness. Compositions produced from the formulations have excellent processing and mechanical properties, and may also have good surface finishes.

公开(公告)号：US20220017797A1

公开(公告)日：2022-01-20

申请号：US17297387

申请日：2019-12-03

Applicant: HEXCEL COMPOSITES LIMITED

Inventor： Michael RHODES

IPC: C09J163/04 ,  C08G59/40 ,  C08G59/30 ,  C08G59/32 ,  C08K3/26 ,  C09J5/06

Abstract: An adhesive composition comprising a silane-modified epoxy resin, a dicyclopentadiene novolac epoxy resin and a curing agent. The composition shows good oily steel bonding, even in the absence of CTBN rubber or rubber adducts as toughening agents, with good Tg values of the cured resin and good Tg retention after hot wet aging.

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：US20190210295A1

公开(公告)日：2019-07-11

申请号：US16311934

申请日：2017-06-07

Applicant: HEXCEL COMPOSITES LIMITED

Inventor： Marco ARCIDIACONO ,  John ELLIS ,  Benjamin CHAU

IPC: B29C65/08 ,  B29C65/00 ,  B29C65/82

CPC classification number: B29C65/08 ,  B29C65/8215 ,  B29C66/1122 ,  B29C66/223 ,  B29C66/225 ,  B29C66/244 ,  B29C66/43 ,  B29C66/71 ,  B29C66/721 ,  B29C66/7212 ,  B29C66/72141 ,  B29C66/73117 ,  B29C66/73752 ,  B29C66/73941 ,  B29C66/81411 ,  B29C66/853 ,  B29C66/929 ,  B29C66/949 ,  B29C66/9513 ,  B29C66/9517 ,  B29C70/543 ,  B29K2309/08 ,  B29K2307/04 ,  B29K2307/02 ,  B29K2309/02 ,  B29K2277/10 ,  B29K2267/00 ,  B29K2311/10 ,  B29K2067/00

Abstract: Process for forming a permanent join between two sections of fibrous material contained in a thermosetting resin matrix, said process comprising overlaying the two sections and subjecting the overlaid sections to ultrasonic welding to form a permanent join between the two sections, wherein there is no significant change in the sub-ambient Tg of the fibrous material contained in the thermosetting resin matrix in the region of the permanent join.

公开(公告)号：US10065393B2

公开(公告)日：2018-09-04

申请号：US14884484

申请日：2015-10-15

Applicant: Hexcel Composites Limited

Inventor： Stephen Mortimer ,  John Cawse

IPC: B32B5/26 ,  B29C70/02 ,  C08J5/24 ,  B32B5/02 ,  B32B5/12 ,  B32B27/12 ,  B32B27/28 ,  B32B27/30 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  B32B27/38 ,  B32B27/40 ,  D06M15/19 ,  B32B37/10

Abstract: One or more layers of structured thermoplastic polymer, such as a light weight veil of thermoplastic polymer fibers, are located within the interleaf zone of laminates that are composed of fibrous layers and thermosetting resin. The thermoplastic veils are used in the interleaf zones as a replacement for thermoplastic toughening particles.

公开(公告)号：US10040897B2

公开(公告)日：2018-08-07

申请号：US15110927

申请日：2015-02-06

Applicant: Hexcel Composites Limited ,  Hexcel Corporation

Inventor： Chris Mason ,  Martin Simmons ,  Yen-Seine Wang

IPC: C08L63/00 ,  C08G59/50 ,  C08G59/54 ,  C08K7/02

CPC classification number: C08G59/5033 ,  C08G59/54 ,  C08K7/02 ,  C08L63/00

Abstract: Amino benzoates have been found to be useful curing agents for epoxy resins particularly para amino benzoates containing at least two primary amine groups and at least two carboxyl moieties, the amino benzoates are particularly useful as curatives in prepregs.

公开(公告)号：US09796163B2

公开(公告)日：2017-10-24

申请号：US14603394

申请日：2015-01-23

Applicant: Hexcel Composites Limited

Inventor： John Ellis ,  Emilie Fisset

IPC: B32B37/12 ,  B26D1/24 ,  B29C70/08 ,  B32B3/08 ,  B32B5/00 ,  B32B37/16 ,  B32B5/02 ,  B32B5/08 ,  B32B7/06 ,  B32B27/12 ,  B32B27/32 ,  B32B27/36 ,  B32B3/26 ,  B29C70/38 ,  B29K23/00 ,  B29K67/00 ,  B29K105/24

CPC classification number: B32B37/12 ,  B26D1/245 ,  B29C70/086 ,  B29C70/386 ,  B29C2793/0036 ,  B29C2793/0081 ,  B29K2023/06 ,  B29K2023/12 ,  B29K2067/00 ,  B29K2105/243 ,  B29K2995/0094 ,  B32B3/08 ,  B32B3/266 ,  B32B5/00 ,  B32B5/022 ,  B32B5/08 ,  B32B7/06 ,  B32B27/12 ,  B32B27/32 ,  B32B27/36 ,  B32B37/16 ,  B32B2037/1253 ,  B32B2260/021 ,  B32B2260/046 ,  B32B2262/0269 ,  B32B2262/101 ,  B32B2262/106 ,  B32B2262/14 ,  B32B2270/00 ,  B32B2307/546 ,  B32B2307/58 ,  B32B2307/748 ,  B32B2605/18 ,  B65H2301/4148 ,  Y10T156/10 ,  Y10T156/1052 ,  Y10T428/24

Abstract: A strip of curable prepreg comprising unidirectional fibers aligned with the length of the strip, the fibers being at least partially impregnated with curable thermosetting resin and comprising a flexible polymeric sheet on an outer face of the strip, wherein the strip has a substantially rectangular cross-section defining a width and a thickness of the strip.

公开(公告)号：US09770844B2

公开(公告)日：2017-09-26

申请号：US14433903

申请日：2013-09-17

Applicant: Hexcel Composites Limited ,  Hexcel Holding GMBH

Inventor： Johannes Moser ,  Philip Hadley

IPC: B29B15/10 ,  B32B5/10 ,  D04H1/74 ,  D04H3/04 ,  D04H3/115 ,  C08J5/24 ,  B32B5/02 ,  B32B5/26 ,  B32B27/12 ,  B32B5/12 ,  B32B7/04 ,  B32B7/12 ,  B29C70/08 ,  B29B15/12 ,  B29L31/08 ,  B29K63/00 ,  B29K105/08 ,  B32B37/02 ,  B32B37/20 ,  B32B38/08 ,  B29C70/44 ,  B29C70/50

CPC classification number: B29B15/105 ,  B29B15/12 ,  B29C70/083 ,  B29C70/44 ,  B29C70/504 ,  B29K2063/00 ,  B29K2105/0881 ,  B29K2281/06 ,  B29L2031/085 ,  B32B5/022 ,  B32B5/024 ,  B32B5/028 ,  B32B5/10 ,  B32B5/12 ,  B32B5/26 ,  B32B7/04 ,  B32B7/12 ,  B32B27/12 ,  B32B37/02 ,  B32B37/203 ,  B32B38/08 ,  B32B2260/021 ,  B32B2260/023 ,  B32B2260/046 ,  B32B2305/076 ,  B32B2305/28 ,  B32B2307/514 ,  B32B2307/554 ,  B32B2307/558 ,  B32B2307/708 ,  B32B2307/712 ,  B32B2307/734 ,  B32B2603/00 ,  C08J5/24 ,  C08J2363/00 ,  D04H1/74 ,  D04H3/04 ,  D04H3/115 ,  Y02P70/523 ,  Y10T156/10 ,  Y10T428/24124 ,  Y10T442/10 ,  Y10T442/643

Abstract: A molding material comprising a fibrous reinforcement layer and a curable resin matrix. The fibrous reinforcement layer comprises a non-woven fabric comprising a single layer of unidirectional tows arranged at an angle greater than 0° in relation to the lengthwise direction of the fabric and a support structure for maintaining the arrangement of the tows.