Process for cross-linking shaped non-polar synthetic resins

Details Process for cross-linking shaped non-polar synthetic resins Process for cross-linking shaped non-polar synthetic resins

H - Electricity

01

B

337/82, 204/91.3

H01B 3/30 (2006.01) C08K 5/14 (2006.01) H01B 3/44 (2006.01)

Patent

CA 1142880

CD 21781 ACD 1781B PROCESS FOR CROSS-LINKING SHAPED NON-POLAR SYNTHETIC RESINS AND ELECTRICAL INSULATION CONTAINING SUCH RESINS Abstract of the Disclosure Non-polar synthetic resins are cross-linked (cured) by mixing the resin with a peroxide having a formula 1, 1a, 2, 3, 4, or 5 illustrated in the accompanying drawing wherein R1 is a tertiary alkyl or aralkyl group having 4-12 carbon atoms, R2 is a primary alkyl group having 1-12 carbon atoms, or an aryl group having 7-12 carbon atoms and substituted with one or more methyl groups; or when the peroxide has the formula (1a) (1a) Image R2 may be the same or a phenyl group; R3 is a primary alkylene group having 1-12 carbon atoms, a vinylidene group or a phenylene group; R4 and R5 are primary alkyl groups having 1-12 carbon atoms or together with the adjacent carbon atom forming part of a cyclo- pentamethylene group or cyclohexamethylene group which may or may not be methyl-substituted; R6 is a diprimary alkylene group having 1-12 carbon atoms or together with the adjacent carbon atoms and - 1- R7 and R8 forming part of a cyclopentamethylene group or cyclo- hexamethylene group which may or may not be methyl-substituted; R7 and R8 are primary alkyl groups having 1-12 carbon atoms or to- gether with the adjacent carbon atoms and R6 forming part of a cyclopentamethylene group or cyclohexamethylene group which may or may not be methyl-substituted; R9 is a methyl group or phenyl group; R10 and R11 are primary alkyl groups having 1-12 carbon atoms, cyclopentyl groups or cyclohexyl groups, aryl groups or together and along with the adjacent Image group forming part of a substituted or unsubstituted ring system having 5 or 6 atoms in the ring; and R12 is a ditert. alkylene group having 8-12 carbon atoms. The resin may be a component of electrical insulation. The compositions are cross-linked by exposing them to a high frequency alternating field. - 2-

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