Process to sinter ultra high molecular weight polyethylene

The current invention is directed to a process to sinter an ultra high molecular weight polyethylene (UHMW-PE) having a weight average molecular mass of more than 1.10 g/mol, wherein a disentangled UHMW-PE is heated to a temperature above its equilibrium melting temperature at a pressure below 20 MP...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RASTOGI SANJAY, KURELEC LADA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PERFORMING OPERATIONS PROSTHESES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The current invention is directed to a process to sinter an ultra high molecular weight polyethylene (UHMW-PE) having a weight average molecular mass of more than 1.10 g/mol, wherein a disentangled UHMW-PE is heated to a temperature above its equilibrium melting temperature at a pressure below 20 MPa.