| 摘要 |
A method of producing microcapsules with reduced permeability is disclosed whereby a produced microcapsule is reacted with the reaction product of formaldehyde and a member of the group consisting of bisphenol A; bisphenol B; bisphenol F; p,p min dihydroxy 1,1 diphenylethane; alkylated phenols; 4,4 min dihydroxybiphenyl; sulfonyldiphenol; and 1,5 dihydroxynaphthalene such that discontinuities in the outermost layer of the produced microcapsule are closed. |
