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(organic chemistry)
A polymer of an ester or salt of acrylic acid.



a polymer of esters of acrylic acid or methacrylic acid, with the general formula

where R′ = H or CH3 (for acrylic and methacrylic acids, respectively) and R is an aliphatic, carbocyclic, or heterocyclic group.

Polyacrylates containing the R groups methyl (— CH3), ethyl (—C2 H5), n-butyl (—C4 H9) and cyclohexyl (—CeH11) are of the greatest industrial importance. These polyacrylates are transparent thermoplastic polymers that are physiologically harmless and readily soluble in organic solvents and are characterized by low resistance to oil and gasoline.

Polyacrylates are produced by polymerization of esters of acrylic and methacrylic acids (acrylates and methacrylates, respectively). Polymerization of a mixture of acrylates whose chemical structure differs in the nature of the R group yields high-strength multipurpose materials.

Polyacrylates are used in the production of organic glass (mainly polymethyl methacrylate), films, paints and varnishes, adhesives, and impregnation compositions for paper, leather, wood, and fabrics. Polyacrylates are widely used in medicine, especially in dentistry, for the preparation of artificial jaws and teeth and for fillings. Acrylate polymers and copolymers are used to make prostheses and contact lenses, as well as special castings for preserving various items. Acrylates are widely used as como-nomers to increase the plasticity of rigid polymers and to produce acrylic rubbers.


See References under POLYMER.


References in periodicals archive ?
The second volume is devoted to aspects of applications, among them, fluoroalkyl acrylate polymers and their applications, fluoroplastics and fluoroelastomers: basic chemistry and high-performance applications, the commercial synthesis and applications of poly(vinylidene fluoride), fluoridated ionomers and ionomer membranes: monomer and polymer synthesis and applications, and fabricating flexible transparent nanohybrids with heat-resistant properties using a fluorinated crystalline polymer.
com), uses inkjet-style deposition of UV-curable acrylate polymers.
Evaluating mechanical test results, they showed compatibility effect between synthetic urethane acrylate polymers and 3 biopolymers; also inorganic silica showed good compatibility with the urethane acrylate system.
It contains unique, transparent acrylate polymers that deliver a luminous solid shield for the ultimate in elasticity and breakage resistance.
Polymers that have hydrophobic networks, such as aromatic polymers and alkyl acrylate polymers, are used as absorbent materials for removing petroleum and petroleum-derived organic solvents from water surfaces (22-28).
Based on state-of-the art silyl acrylate polymers, true hydrolysing and an optimised biocide combination, SeaQuantum Static is self smoothing and self polishing, has a low build-up of leach layer and good mechanical properties.
Moreover, water-based UV-cured coatings have been shown to combine the flexible properties of high molecular weight polymers with the hardness of crosslinked acrylate polymers.
The Hochberg study concluded that the most important dispersants from a market value viewpoint are the acrylate polymers and terpolymers, naphthalene sulfonate condensate, hydrocarbons such as [C.
Fluorinated acrylate polymers are an exception, dissolving well in carbon dioxide.
Methyl acrylate polymers as suitable materials for the conservation of stone: performance improvements--Barbara Sacchi, Laura Giannini, Marco Frediani, Luca Rosi, and Piero Frediani
L'Oreal Paris Voluminous Power Volume 24H Mascara lasts for a full 24 hours, and it includes acrylate polymers to ensure the mascara's formula doesn't flake or crumble off, while jojoba and palm oils keep lashes supple, soft and full.
Rohm & Haas Company; "Water- and Sweat-Resistant Styling Using Acrylate Polymers," Duane Krzysik, David Faivre and Dorina Ghirardi, Lubrizol Advanced Materials/Noveon; "How Hydrolyzed Jojoba Esters Enhance the Performance of the Ethnic Hair Relaxer on Hair and Scalp," Grace Hastings, Brooke Marshall, Gina Bowser and Lawrence Rheins, Ph.