TH67178B - Fluorocarbon rubber composition and methods for the manufacture of crosslinked fluoro rubber products. - Google Patents

Abstract

DC60 (24/11/52) [Issue] for this invention. To provide a fluoro rubber composition which (1) acquires properties Excellent impact handling In collision with the arm (2) it is obtained which is not sticky, (3) is clean and (4) is free from halogen (chlorine); And methods for the production of rubber products Crosslinked fluoro [Method for solving the problem] Fluoro rubber composition that contains

Claims (7)

Disclaimers (all) which will not appear on the advertisement page: New amendment 7/6/2017 1. Fluoro rubber composition. Containing: fluoro rubber crosslinked polyol containing fluoropolymer; Polyol crosslinking agent; And the salt with BF4 that is the counter ion; Where polyol crosslinks Were included in the resulting constituents in quantities equal to 1.75 to 2.5 parts by weight compared to 100 parts by weight of fluoropolymer; And where the BF4 salt is the counter ion Were included in quantities equal to 0.700 to 0.900 parts by weight versus 100 parts by weight. Of fluoropolymer (original) 1. Fluoro rubber composition Containing: The fluoro rubber crosslinked polyol containing Fluoropolymer; Polyol crosslinking agent; And the salt with BF4 that is the counter ion; Where polyol crosslinks Were included as constituents in quantities equal to 1.25 to 30 parts by weight compared to 100 parts by weight of fluoropolymers; And where the BF4 salt is the counter ion Were included in quantities equal to 0.700 to 0.900 parts by weight versus 100 parts by weight. Of fluoropolymer 2.Methods for the production of crosslinked fluoro rubber products Contains: the aforementioned polyol crosslinking of the fluoro rubber composition. According to claim 1; And later treated with heat The fluoro rubber elements that were crosslinked at temperatures ranging from 200 \ 'C to 300 \' C for 0.1 to 48 hrs until a crosslinked product was obtained. 3.Methods for the production of crosslinked fluoro rubber products According to claim 2, where the cross-linked product is obtained by means of an increase in torque of gripping torque of 30% or less in the mean manner; 4.Methods for the production of crosslinked fluoro rubber products According to claim 2, where the cross-linked product is obtained by means of emitting fine dust in equal amounts 6.0kCount / cm2 or less as measured by the liquid particle count meter. (Instrument to measure residual dust); 5. Methods for the production of crosslinked fluoro rubber products. According to claim 2, where the cross-linked product was obtained by means of exposing the total quantity of negative ions and cations at an amount of 0.3Ug / cm2 or less, respectively, as measured by the ion chromatography. Graph (Residual ion meter) 6.Methods for the production of crosslinked fluoro rubber products According to claim 2, where the cross-linked product was obtained by means of: (1) shows an increased torque of gripping torque. (holding-torque) equal to 30% or less in average manner; (2) shows fine dust equal to 6.0kCount / cm2 or less as measured by Liquid Particle Meter (Instrument to measure residual dust); And (3) show the total quantity of negative ions and cations. At an amount equal to 0.3Ug / cm2 or less, respectively, as measured by ion chromatography (residual ion meter). 7. A cracked stoppers formed using a fluoro rubber bonded product. Obstructed by means of According to any of the claims 2 to 6