| 摘要 |
1,225,655. Epoxy resin coating. DEXTER CORP. 17 June, 1968 [12 July, 1967], No. 28657/68. Heading B2E. [Also in Divisions C2 and. C3] Steel bars are coated with epoxy resins by preheating the steel bar (e.g. at 210‹C. for 15 minutes) then dipping in a fluidized bed of epoxy resin powder, containing as catalyst a novel water-insoluble complex of a tertiary amine and tetrachlorophthalic or tetrabromophthalic acid, then curing in a oven. |
