Patent ID: 9187691
Filing Date: 2015-11-17
Classification: B82Y,C08F,C09K,G01N,H01F,Y10T

Abstract:
1. A composition comprising: substantially monodisperse epoxy coated porous matrix polymer particles having superparamagnetic crystals on the surface and within the pores thereof, wherein majority of superparamagnetic crystals are located within the pores of the porous matrix polymer particles; and the epoxy coating is located in the vicinity of the superparamagnetic crystals, wherein majority of the epoxy coating is located within the pores of the porous matrix polymer particles; wherein the epoxy coating comprises coating polymer formed by reaction of the porous matrix polymer particles having the superparamagnetic crystals with at least on type of epoxide selected from the group consisting of epichlorohydrin, epibromohydrin, isopropylglycidyl ether, butyl glycidyl ether, allylglycidyl ether, 1,4-butanediol diglycidyl ether (1,4-bis(2,3-epoxypropoxy) butane), neopentylglycol diglycidyl ether, ethylene glycol diglycidyl ether, glycerol diglycidyl ether, glycidol, glycidyl methacrylate, ethyl hexyl glycidylether, methyl glycidylether, glycerol propoxylate triglycidylether, poly(propylene glycol) diclycidylether, 1,3 butanediol diglycidylether, tert butyl glycidylether, 1,4 cyclohexanedimethanol diglycidyl ether, diethylene glycol diglycidyl ether, dodecyl glycidylether, 0-(2,3 epoxypropyl)-O′-methylpolyethylene glycol glydidylether, glycidyl tetrafluoroethyl ether, 1,6 hexanediol diglycidylether, octyl glycidylether, decyl glycidylether, poly(epichlorohydrin-co-ethylene oxide-co-allyl glycidylether), polyethylene glycol diglycidyl ether, trimethylolethane triglycidylether, trimethylolpropane, triglycidylether, tert-butyldimethylsilyl glycidylether, 1,2-epoxybutane, 1,2-epoxypentane, 1,2-epoxy-5-hexene, 1,2-epoxy-hexane, 1,2-epoxy-7-octene, 1,2-epoxyoctane, 1,2,7,8-diepoxyoctane, 1,2-epoxy-9-decene, 1,2-epoxydecane, 1,2-epoxydodecane, and 1,2-epoxytetradecane.