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1 Laboratory of the Government Chemist, Department of Trade and Industry, Cornwall House, Stamford Street, London SE1 9NQ, England
The transmission and attentuated total reflectance spectra of a dental cement formed from an aluminosilicate glass and aqueous polyacrylic acid (ASPA) are reported. Interpretation of spectra show that a siliceous hydrogel is formed together with the polyacrylate salts of calcium and aluminum. In the fully hardened cement a minor proportion of -COOH remains unconverted to -COO-groups for steric reasons.
Submitted on August 17, 1973
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