| 摘要 |
1503926 Sized glass fibres OWENS-CORNING FIBERGLAS CORP 23 July 1975 [20 Sept 1974] 30865/75 Heading B2E [Also in Division C3] Glass fibres are coated with a size and dried, and are then coated with a resin (R). The size comprises an aq. emulsion comprising a prepolymer (P) a silane (S) and an oil (O), (O) being stabilized by a bis [poly (ethyleneoxy) fatty alkyl] amine and a poly(ethyleneoxy) alkyl fatty alcohol and/or a fatty acid ester of a polyethylene glycol. The particles of (P) may be coated with a mixture of a nonionic emulsifier containing ethoxy groups, and a trialkoxysilane (T), which may be unsaturated. (P) may be a diepoxy derivative of bisphenol A, an orthophthalic/succinic/propylene glycol polyester, or a polyurethane; many others are listed. The (P) particles may be emulsified with a polyoxypropylene/polyoxyethylene adduct. (S) may comprise non-ionic and cationic trialkoxysilanes, including acryloxypropyl- and γ-aminopropyl-trialkoxysilanes. Acetic acid may be added to adjust pH. Resin (R) may be a bisphenol A type epoxy resin with m-phenylenediamine curing agent, or a polyvinyl ester. |
