polyacid


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pol·y·ac·id

(pol-ē-as'id),
An acid capable of liberating more than one hydrogen ion per molecule; for example, H2SO4, citric acid.
[G. polys, much, many + acid]

polyacid

(pŏl″ē-ăs′ĭd)
An alcohol or a base with two or more hydroxyl groups that will combine with an acid.
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References in periodicals archive ?
Antibacterial activity of glassionomer restorative cements and polyacid modified composite resin against cariogenic bacteria.
The first is the electrostatic effect ascribed to the nature of polyelectrolyte, the complexing equilibrium is influenced by both the degree of dissociation of polyacid and the concentration of added salt.
The conventional glass ionomer cement is usually supplied as a powder and a Polyacid liquid.
Effect of bleaching on subsurface micro-hardness of composite and a polyacid modified composite.
Two different Mw polyacid dispersants and two different Mw acrylate copolymers were used.
Typical examples of polyacid segments are polyphosphoric acid, polyvinyl sulfonic acid and polyacrylic acid.
Each of the particles includes a first polymer with: i) a polymerized unit of a multi-ethylenically unsaturated monomer and ii) at least one pendant absorbing group selected from the group consisting of phosphorus acid groups, phosphorus acid full-ester groups, polyacid sidechain groups and mixtures thereof.
has been granted a patent for a coating composition comprised of a blend of two or more polyester resins each formed by the reaction of one or more polyacid molecules and one or more polyol molecules, wherein the blend has between approximately 60%-90% weight polyester resin having a Tg less than 25[degrees] C and between 10%-40% weight polyester resin having a Tg greater than 50[degrees] C and a carrier; wherein the coating composition is a liquid composition that is substantially free of mobile BPA and aromatic glycidyl ether compounds and is suitable for use in forming a food contact packaging coating.
There are many restorative materials/options available to the dental surgeon treating these patients: GIC, Resin Modified Glass Ionomer Cements (RMGIC), Polyacid modified composite resins (PMCR), Composite resins (CR), and amalgam.
has obtained a patent for a can comprised of a body portion; and an end portion, wherein at least one of the body and end portions are aluminum and are coated on at least one major surface with a coating composition comprised of a blend of two or more polyester resins each formed by the reaction of one or more polyacid molecules and One or more polyol molecules, wherein the blend has between approximately 60%-90% weight polyester resin having a Tg less than 25[degrees] C and between about 10%-40% weight polyester resin having a Tg greater than 50[degrees]C; 2%-20% weight acrylate copolymer, based on the total weight of resin solids in the coating composition; and a crosslinker, and wherein the coating composition is substantially free of mobile BPA and aromatic glycidyl ether compounds.