C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/1308, 400/13
C08K 5/54 (2006.01) C03C 25/26 (2006.01) C08L 61/00 (2006.01) D04H 1/64 (2006.01)
Patent
CA 1067226
ABSTRACT OF THE DISCLOSURE A binder composition for glass fibers includes an aqueous dispersion of a resin selected from the group consisting of phenol-formaldehyde condensates, phenol-aminoplast-formaldehyde condensates, aminoplast-formaldehyde condensates, furfural con- densates, furfuryl alcohol condensates and resorcinol-formalde- hyde condensates. Also present is a hydrolyzable silane coupling agent in which the hydrolyzable function is selected from the group consisting of carboxy, halo, NH2 and alkoxy having from one to four carbon atoms; the silane having a substituent with an epoxy function, an amine function, a halogen function or, as an addition polymerization function, an aliphatic carbon to carbon double bond, or the hydrolysis products of such a silane, with the proviso that the hydrolyzable function is not halo when the substituent function is epoxy. Also included is a compound selected from the group consisting of starch, degradation pro- ducts of starch, starch ethers of alkyl alcohols having from one to four carbon atoms or of benz?l alcohol, and mixtures thereof. A bonded glass fiber product i disclosed, and also a method for its production which involves forming glass fibers from molten streams of glass, combining the glass fibers with the heat- curable aqueous bind?r composition, consolidating the fibers and binder composition into a loosely-packed mass, and curing the binder in situ. The fibers call be compressed prior to or during curing of the binder composition.
215947
Bell Reuben H.
Fargo Harland E.
Foley Kevin M.
Mccombs Frank P.
Corporation Owens-Corning Fiberglas
Na
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