Ultrahigh molecular-weight polyethylene

IM = intermediate modulus and UHMW PE = ultrahigh molecular weight polyethylene. 

The term polyethylene separator is somewhat misleading, since this separator consists mainly of agglomerates of precipitated silica, held within a network of extremely long-chained, ultrahigh-molecular weight polyethylene molecules. The raw materials, precipitated silica (Si02 — about 60 percent), ultrahigh-... 

ENTER Membranes LLC has developed Teklon— a highly porous, ultrahigh molecular weight polyethylene separator for lithium-ion batteries. At the writing of this publication, the separator is available in small quantities. Pekala et al. characterized Celgard, Setela, and Teklon separators in terms of their physical, mechanical, and electrical properties. ... 

Gao. S. and Zeng, Y. (1993a). Surface modification of ultrahigh molecular weight polyethylene fibers by plasma treatment. I. Improving surface adhesion. J. Appi. Polym. Sci. 47, 2065-2071. 

Dentures acrylic, ultrahigh molecular weight polyethylene (UHMWPE), epoxy Facial prosthesis acrylic, PVC, polyurethane (PUR)... 

In spite of processing difficulties, some higher-molecular-weight polymers, such as ultrahigh-molecular-weight polyethylene (uhmwpe), are used because of their superior toughness. 

Several interesting applications, such as insulated wire and cable,6S-69 UV cross-linking of drawn fibers and tapes from ultrahigh-molecular-weight polyethylene are reported in the literature.70-72 Semi-interpenetrating networks (IPN) from acrylates and polyurethanes are suitable as UV-curable adhesives with high elasticity, good impact resistance and excellent adhesion to a variety of substrates.73-74... 

Enhancing the wear resistance of polymers (e.g. ultrahigh molecular weight polyethylene — UHMWPE — used for in vivo implants such as artificial hip joints).256... 

Shen, F. W., and McKellop, H. A. (2002), Interaction of oxidation and crosslinking in gamma-irradiated ultrahigh molecular-weight polyethylene, J. Biomed. Mater. Res., 61(3), 430 139. 

K.A. Saum, W.M. Sanford, W.G. Dimaio, Jr., and E.G. Howard, Jr., Process for medical implant of cross-linked ultrahigh molecular weight polyethylene having improved balance of wear properties and oxidation resistance, US Patent 6017 975, January 25, 2000. 

J.G. Yaritz and J.K. Whear, Ultrahigh molecular weight polyethylene articles and method of manufacture, US Patent 7 238 744, assigned to Daramic, Inc. (Charlotte, NC), July 3,2007. 

PC PE PES PET PF PFA PI PMMA PP PPO PS PSO PTFE PTMT PU PVA PVAC PVC PVDC PVDF PVF TFE SAN SI TP TPX UF UHMWPE UPVC Polycarbonate Polyethylene Polyether sulfone Polyethylene terephthalate Phenol-formaldehyde Polyfluoro alkoxy Polyimide Polymethyl methacrylate Polypropylene Polyphenylene oxide Polystyrene Polysulfone Polytetrafluoroethylene Polytetramethylene terephthalate (thermoplastic polyester) Polyurethane Polyvinyl alcohol Polyvinyl acetate Polyvinyl chloride Polyvinyl idene chloride Polyvinylidene fluoride Polyvinyl fluoride Polytelrafluoroethylene Styrene-acrylonitrile Silicone Thermoplastic Elastomers Polymethylpentene Urea formaldehyde Ultrahigh-molecular-weight polyethylene Unplasticized polyvinyl chloride... 

Polymers of MMA, AAc, and MAA were grafted onto an ultrahigh molecular weight polyethylene (UHMWPE) fiber surface after pretreatment with electron beam irradiation [31]. Sundell et al. [32] pretreated a PE film with electron beams to facilitate the graft polymerization of vinyl benzylchloride onto the substrate. The inner surface of porous PE hollow fiber had also been modified by grafting of glycidyl methacrylate (GMA) polymer after electron beam irradiation [33]. 

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