Title:
【発明の名称】フルオロエラストマー組成物およびその製造方法
Document Type and Number:
Japanese Patent JP2813685
Kind Code:
B2
Abstract:
A fluoroelastomer composition that has enhanced adhesion to metal when cured which comprises: (a) an elastomeric copolymer of vinylidene fluoride and at least one other fluorinated monomer; (b) a crosslinking agent selected from the group consisting of a bisphenol and a polyhydroxy phenol of the formula where R is hydrogen, alkyl or aryl and R min is alkyl or aryl; (c) a crosslinking accelerator which is a quaternary ammonium salt of the formula R sec 4N<+>X<-> wherein each R sec is independently and an alkyl group of 2-10 carbon atoms or an aryl group of 7-10 carbon atoms and X<-> is selected from the group consisting of fluoride, dihydrogen phosphate, periodate, acetate, hydrogen sulfate, methane sulfonate, and toluene sulfonate; (d) an acid acceptor which is one or more members of the group consisting of a divalent metal oxide and a divalent metal hydroxide; and (e) 0.02-0.8 parts by weight based on the weight of the elastomeric copolymer of a metal adhesion promoter which is a tetraalkylammonium halide where each alkyl group contains 2-10 carbon atoms and the halide is chloride, bromide or iodide. a
Inventors:
Janet M Wilson
Debited Leo Tab
Debited Leo Tab
Application Number:
JP25545390A
Publication Date:
October 22, 1998
Filing Date:
September 27, 1990
Export Citation:
Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
C08K3/22; C08K5/04; C08K5/13; C08K5/17; C08K5/19; C08K13/02; C08L27/14; C08L27/16; (IPC1-7): C08L27/16; C08K13/02
Attorney, Agent or Firm:
Heiyoshi Odashima (1 person outside)