METHOD FOR THERMORADIATION TREATMENT OF POLYTETRAFLUOROETHYLENE PRODUCTS

• Main Authors: SOBOLEV G.P, BRUK M.A, IVANCHENKO V.K, SICHKAR' V.P, KHATIPOV S.A, VORONINA E.N
• Format: Patent
• Language: English
• Published: 27.08.2003
• Edition: 7
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

FIELD: polymer materials. SUBSTANCE: method consists in gamma-irradiation of product at elevated temperature in melt in inert medium. Melt is first cooled and irradiation is carried out until dose 5-35 Mrad is absorbed, while temperature of product is reduced during irradiation procedure by 0.8- 1 C...