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Polyetherketoneketone

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Polyetherketoneketone ( PEKK ) is a semi-crystalline thermoplastic in the polyaryletherketone (PAEK) family of polymers. It possesses high heat, chemical, and mechanical load resistance. PEKK has a glass transition temperature (Tg) of 162 °C.

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19-518: Hexcel Corporation (Formerly Oxford Performance Materials) manufactures PEKK-based parts for Boeing for use in its Starliner space taxis, using 3D printing -based additive manufacturing. It has wide dental and medical applications. The parts are claimed to be as strong as aluminum while being 40 percent of the weight. In addition, PEKK manufactured components have shown fire and radiation resistant properties. Oxford Performance Materials manufactures Biomedical 3D printing of PEKK parts. In addition,

38-674: A strategic alliance with Arkema in Colombes, France, to combine work in carbon fiber and PEKK. The alliance will result in a joint research and development laboratory in France. The companies aim to develop carbon fiber-reinforced thermoplastic tapes to produce lightweight parts for aircraft. Also in 2018, Hexcel opened a carbon fiber plant at the Les Roches-Roussillon Chemicals Industry Platform in Isère , France. The plant

57-430: Is a landlocked department in the southeastern French region of Auvergne-Rhône-Alpes . Named after the river Isère , it had a population of 1,271,166 in 2019. Its prefecture is Grenoble . It borders Rhône to the northwest, Ain to the north, Savoie to the east, Hautes-Alpes to the south, Drôme and Ardèche to the southwest and Loire to the west. Isère is one of the original 83 departments created during

76-546: Is also well known. The Vercors Plateau aesthetically dominates the western part of the department. The most populous commune is Grenoble , the prefecture. As of 2019, there are 7 communes with more than 20,000 inhabitants: Inhabitants of the department are called Isérois (masculine) and Iséroises (feminine). Population development since 1801: The President of the Departmental Council has been Jean-Pierre Barbier of The Republicans (LR) since 2015. Following

95-855: Is based at the Osiris Chemicals Industry Platform. Hexcel's composite materials were used as part of a new boat design used in the Tour de France à la voile . In July 2018, Hexcel opened an integrated factory in Salaise-sur-Sanne near Lyon , manufacturing polyacrylonitrile (PAN), the carbon fiber precursor, the second after its Decatur, Alabama plant. On May 1st, 2024, Tom Gentile was named CEO following Nick Stanage’s retirement. Is%C3%A8re Isère ( US : / iː ˈ z ɛər / ee- ZAIR , French: [izɛʁ] ; Arpitan : Isera ; Occitan : Isèra , Occitan pronunciation: [iˈsɛɾa] )

114-469: The 2017 Senate election , Isère elected Didier Rambaud ( La République En Marche! ), Guillaume Gontard ( miscellaneous left ), Frédérique Puissat ( The Republicans ), Michel Savin ( The Republicans ) and André Vallini ( Socialist Party ) for the 2017–2023 term. The Grande Chartreuse is the mother abbey of the Carthusian order. It is located 22 km (14 mi) north of Grenoble. As early as

133-571: The 2021 departmental election , the Departmental Council of Isère (58 seats) was composed as follows: In the 2022 legislative election , Isère elected the following representatives to the National Assembly : In 2024 , all the Renaissance and Democratic Movement candidates lost their seats: to La France Insoumise in the 1st and 9th constituencies, and to RN-coalition parties in the 8th and 10th. The other representatives were all reelected. In

152-503: The French Revolution on 4 March 1790. It was established from the main part of the former province of Dauphiné . Its area was reduced twice, in 1852 and again in 1967, on both occasions losing territory to the department of Rhône . In 1852 in response to rapid urban development around the edge of Lyon , the (hitherto Isère) communes of Bron , Vaulx-en-Velin , Vénissieux and Villeurbanne were transferred to Rhône . In 1967

171-807: The 13th century, residents of the north and central parts of Isère spoke a dialect of the Franco-Provençal language called Dauphinois , while those in the Southern parts spoke the Vivaro-Alpine dialect of Occitan . Both continued to be spoken in rural areas of Isère into the 20th century. Isère features many ski resorts , including the Alpe d'Huez , Les Deux Alpes , the 1968 Winter Olympics resorts of Chamrousse , Villard de Lans , Autrans . Other popular resorts include Les 7 Laux , Méaudre , Saint-Pierre-de-Chartreuse , Alpe du Grand Serre and Gresse-en-Vercors . At

190-608: The aerospace and defense business of Oxford Performance Materials, a manufacturer of carbon fiber-reinforced 3D printed parts for commercial aerospace and space and defense applications. In March 2018, Hexcel opened its manufacturing facility at the MidParc Free Trade Zone in Casablanca, Morocco. The facility oversees the transformation of lightweight honeycomb materials into engineered core parts for aircraft structures, engine nacelles and helicopter blades. Hexcel also signed

209-467: The company changed its name to Hexcel Products, Inc. The name was derived from the hexagonal cell-shaped honeycomb materials manufactured by the company. In the 1960s, Hexcel sold aluminum honeycomb and pre-impregnated fiberglass to Hubert A. Zemke and Dave McCoy for use in building skis. Hexcel expanded from military and commercial aviation to the United States space program . The landing pads on

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228-450: The company has a solution casting technology to apply a nanoscale coating of PEKK to various mediums. This article about polymer science is a stub . You can help Misplaced Pages by expanding it . Hexcel Hexcel Corporation is an American public industrial materials company, based in Stamford, Connecticut . The company develops and manufactures structural materials. Hexcel

247-591: The department level, Isère is the third-largest ski and winter destination in France, after Savoie and Haute-Savoie . It also hosts Coupe Icare , an annual festival of free flight, such as paragliding and hang-gliding , held at the world-renowned paragliding site at Lumbin . Grenoble has a dozen museums, including its most famous, established in 1798, the Museum of Grenoble . The European Synchrotron Radiation Facility (ESRF), an international research facility in Grenoble,

266-598: The firm has publicly traded on the New York Stock Exchange under the ticker symbol HXL. Hexcel, originally named the California Reinforced Plastics Company, was founded in 1948 by a group of engineers from the University of California at Berkeley . The company's first contract was for the research and development of honeycomb materials for use in radar domes on military aircraft. In 1954,

285-451: The lunar module Apollo 11 that carried men to the moon in 1969 were built from Hexcel honeycomb materials. In 1970, Hexcel licensed the ski from McCoy. A few years later, Hexcel decided to focus on its core aerospace business and sold the ski enterprise to Hanson Boots. In the 1980s, Hexcel purchased Stevens-Genin S.A., a French company that manufactured glass-fiber and woven industrial materials. In 1981, it provided materials for

304-569: The nose, doors and wings of the Space Shuttle Columbia . In 1986, Hexcel made most of the material used in the fuselage and wings of the Rutan Voyager – the first aircraft to make a nonstop, around-the-world trip on a single tank of fuel. In 2017, Hexcel was selected by Airbus to supply the composite materials for the H160 helicopter's fuselage structures and rotor blades. Hexcel acquired

323-858: The redrawing of local government borders led to the creation of the Urban Community of Lyon (more recently known simply as Greater Lyon or Grand Lyon). At that time intercommunal groupings of this nature were not permitted to straddle departmental frontiers, and accordingly 23 more Isère communes (along with six communes from Ain ) found themselves transferred to Rhône. The affected Isère communes were Chaponnay , Chassieu , Communay , Corbas , Décines-Charpieu , Feyzin , Genas , Jonage , Jons , Marennes , Meyzieu , Mions , Pusignan , Saint-Bonnet-de-Mure , Saint-Laurent-de-Mure , Saint-Pierre-de-Chandieu , Saint-Priest , Saint-Symphorien-d'Ozon , Sérézin-du-Rhône , Simandres , Solaize , Ternay and Toussieu . Most recently, on 1 April 1971, Colombier-Saugnieu

342-493: Was formed from the combination of California Reinforced Plastics (founded 1948), Ciba Composites (acquired 1995) and Hercules Composites Products Division (acquired 1995). The company sells its products in commercial, military and recreational markets for use in commercial and military aircraft , space launch vehicles and satellites , wind turbine blades , sports equipment and automotive products. Hexcel works with Airbus Group , The Boeing Company , and others. Since 1980,

361-505: Was transferred to Rhône. Banners appeared in the commune's three little villages at the time proclaiming Dauphinois toujours ("Always Dauphinois"). Isère includes a part of the French Alps . The highest point in the department is the subpeak Pic Lory at 4,088 metres (13,412 feet), subsidiary to the 4,102 metres (13,458 feet) Barre des Écrins in the adjoining Hautes-Alpes department. The summit of La Meije at 3,988 metres (13,084 feet)

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