SUSPENSION POLYVINYL CHLORIDE-BASE ELECTROINSULATING COMPOSITION

• Main Authors: SOLOV'EVA V.A, MOKRETSOV I.I, PAVLETSOV V.P, KUZ'MITSKIJ G.EH, FEDCHENKO N.N
• Format: Patent
• Language: English; Russian
• Published: 20.09.1999
• Edition: 6
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

FIELD: electroinsulating materials. SUBSTANCE: invention describes a new electroinsulating composition based on suspension polyvinyl chloride and involving dioctyl phthalate, metal-containing stabilizing agent, diphenylol- -propane, stearic acid, pigments, chalk and additionally - asbestos fiber modified with 0.2-1.5 mas. p. of silica filler as a vehicle at the following ratio of components, mas. p. p.: suspension polyvinyl chloride 100; dioctyl phthalate 40-70; metal-containing stabilizing agent 5.0-14.6; diphenylolpropane 0.3-1.0; stearic acid 0.3-1.0; pigments 1.0-7.0; chalk 5-30; asbestos fiber modified with 0.2-1.5 mas. p. of silica filler 0.7-11.5. Composition exhibits the decreased water-absorption, hardness at 20 C and high resistance to tear. EFFECT: improved quality and properties of the composition. 2 tbl