PROCESS FOR PRODUCING FILLED POLYTETRAFLUOROETHYLENE RESIN COMPOSITE MATERIALS AND PRODUCTS

A process is provided for producing an additive-containing PTFE or other fluorocarbon polymer resin which achieves substantially complete and thorough homogeneous distribution of the selected additive within the polymer matrix. The selected additive and polymer are blended and then subjected to an a...

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Bibliographische Detailangaben
Hauptverfasser:	DEENEY, PATRICIA, J, DELGADO, DAVID, A, NEWMAN, DAVID, E, GARRISON, DAVID, S
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COLOUR PRINTING COMPOSITIONS BASED THEREON DENTISTRY GENERAL PROCESSES OF COMPOUNDING HUMAN NECESSITIES HYGIENE LINING MACHINES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MEDICAL OR VETERINARY SCIENCE METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS SPINNING STAMPS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYPEWRITERS USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	A process is provided for producing an additive-containing PTFE or other fluorocarbon polymer resin which achieves substantially complete and thorough homogeneous distribution of the selected additive within the polymer matrix. The selected additive and polymer are blended and then subjected to an air milling in an air impact pulverizer to achieve particle to particle impact and the homogeneous distribution of the additive in and among the polymer particles. The milled polymer-additive composite is paste extruded and further processed to form additive-containing PTFE products such as dental floss, insulating or conductive materials, laser markable materials, abrasion resistance materials and the like.