C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
117/198, 400/421
C03C 25/10 (2006.01)
Patent
CA 1087773
ABSTRACT A method of coating glass fibres to protect them from deterioration in an alkaline environment such as a Portland cement matrix, in which the glass fibres are coated with a composition containing a water- soluble film-forming material having free aliphatic hydroxyl groups in the molecule, a water-soluble ester formed by reaction of a tri- hydroxy or di-hydroxy-substituted aromatic carboxylic acid with an alcohol having at least two hydroxyl groups in the molecule, and a cross-linking agent, the composition is cured and dried at ele- vated temperature so as to cross-link hydroxyl groups of the film- forming material and thereby form a thermoset film coating on the glass fibres which also retains the ester. The ester acts as a protective material to protect the glass fibres from alkaline attack.
289915
Cheetham Colin J.
Maguire Phillip
Meredith & Finlayson
Pilkington Brothers Limited
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