Acrylic acid definition

CAS 83137-13-7 EINECS/ELINCS 280-192-2 Synonyms Acrylic acid, rosin ester Rosin, reaction prod, with acrylic acid Definition Ester of rosin and acrylic acid Uses Film-former in cosmetics antitackifier in hair sprays... [Pg.3854]

This concept covers most situations in the theory of AB cements. Cements based on aqueous solutions of phosphoric acid and poly(acrylic acid), and non-aqueous cements based on eugenol, alike fall within this definition. However, the theory does not, unfortunately, recognize salt formation as a criterion of an acid-base reaction, and the matrices of AB cements are conveniently described as salts. It is also uncertain whether it covers the metal oxide/metal halide or sulphate cements. Bare cations are not recognized as acids in the Bronsted-Lowry theory, but hydrated... [Pg.15]

Within the scope of the original definition, a very wide variety of ionomers can be obtained by the introduction of acidic groups at molar concentrations below 10% into the important addition polymer families., followed by partial neutralization with metal cations or amines. Extensive studies have been reported, and useful reviews of the polymers have appeared (3—8). Despite the broad scope of the field and the unusual property combinations obtainable, commercial exploitation has been confined mainly to the original family based on ethylene copolymers. The reasons for this situation have been discussed (9). Within certain industries, such as flexible packaging, the word ionomer is understood to mean a copolymer of ethylene with methacrylic or acrylic acid, partly neutralized with sodium or zinc. [Pg.404]

The biomaterial was dispersed in a definite amount of water. Ceric ammonium nitrate and nitric acid are then to be added slowly to the reaction mixture. Then, the monomer acrylic acid should be added drop wise to the reaction mixture. The reaction flask is to be placed in a water bath at 10-85°C for various time periods under stirring by a magnetic stirrer. After a definite time period, the reaction mixture is to be filtered and the homo-polymer should be removed with excess water. The grafted sample is to be dried to a constant weight and used for sorption studies. From the increase in weight of the biomaterial, the percentage of grafting should be calculated as follows ... [Pg.87]

In the selective oxidation of hydrocarbons to oxygenated compounds like acids, water is introduced with the reagents. This additive can create various phenomena in the oxidation mainly kinetic effects and catalyst modification. If there is no definite evidence concerning the second point, it is well known that the addition of water favors the desorption of oxygenated compounds. In the experiment presented in Table 7 this hypothesis is well in evidence the selectivity towards oxygenated compounds particularly towards acrylic acid increasing from 25% to 31% with no change in the propane conversion. We can also notice that the total oxidation of propene to carbon oxides is inhibited by water. [Pg.381]

A large number of kinetics parameters are involved in the definition of the best operating conditions to achieve the acrylic acid, taking into account all others possible products. Bearing this in mind, 24 parameters are chosen as necessary to be investigated to produce acrylic acid. [Pg.682]

Recall that melt index, by definition, is amount of polymer flowing through a given orifice under some specified conditions. Introduction of the polar acrylic acid unit into the polymer structure increases its polarity while at the same time disrupting the interchain bonding and crystalline nature of PE. Initially, the disruption of the interchain interaction of PE predominates. Consequently, flow is enhanced and melt index increases. Further increase in acrylic acid content results in the predominance of chain polarity and hence intermolecular attraction. This leads to a decrease in the flow properties. [Pg.487]

Synonyms AA/AM Acrylamide/acrylic acid copolymer Acrylic acid/ acrylamide copolymer Propenamide, polymer with propenoic acid, butenoic acid, and/or alkyl propenoates Definition Polymer of acrylamide and one or more monomers of acrylic acid, methacrylic acid or one of their simple esters Properties Nonionic... [Pg.962]

Definition Polymers of two or more monomers consisting of acrylic acid, methacrylic acid, or their simple esters Properties Anionic Toxicology TSCA listed... [Pg.962]

Definition Copolymer of vinyl acetate and one or more monomers of acrylic acid, methaciylic acid, or their simple esters Uses Film-former, vise, control agent in cosmetics binder for nonwoven fabrics paper impregnant in adhesives in paper/paperboard in contact with aq./fatty foods Reguiatory FDA 21CFR 176.180 Trade Names Polyco 6108NP... [Pg.963]

Synonyms Acrylic Acrylic fiber Acrylic polymer Acrylic sheet Definition Thermoplastic polymer or copolyrner of acr ic acid, methacrylic acid, esters of these acids, or acrylonitrile Properties Varies from hard to brittle solids to fibrous elastomeric structures, to viscous liqs. able to transmit light for sheet and rod forms Toxicology Dust may cause skin, eye, and respiratory tract irritation TSCA listed... [Pg.963]

Synonyms Poly (acrylic acid), ammonium salt 2-Propenoic acid, homopolymer, ammonium salt Definition Ammonium salt of polyacrylic acid Empiricai (C3H4O2), xHsN... [Pg.978]

Definition Homopolymer of acrylic acid crosslinked with an allyl ether of pentaerythritol or an allyl ether of sucrose Properties Wh. fluffy powd., odorless dens. 1.41 anionic Toxicology LD50 (oral, rat) 4100 mg/kg mod. toxic by ingestion TSCA listed... [Pg.1025]

Definition Polymer of acrylic acid crosslinked with allyl ether of pentaerythritol... [Pg.1025]

Definition Polymer of acrylic acid crosslinked with allyl ether of sucrose Properties Wii. fluffy powd., si. char, odor when neutralized with alkali hydroxides or with amines, dissolves in water, alcohol, and glycerin m.w. nominally 3,000,000 vise. 30,500-39,400 cps (0.5% aq. disp.) pH 3 (1% disp.) anionic... [Pg.1026]

Synonyms Acrylic acid, ethyl ester Ethoxycarbonylethylene Ethyl propenoate Ethyl 2-propenoate 2-Propenolc acid, ethyl ester Definition Esterification of acrylic acid Empirical CsHsOj Formula CH2 CHCOOC2Hs... [Pg.1108]

Synonyms Ethylene/acrylic acid/VA copolymer (INCI) 2-Propenoic acid, polymer with ethene and ethenyl acetate Definition Copolymer of ethylene, acrylic acid, and vinyl acetate monomers... [Pg.1110]

Definition Ester of methyl alcohol and acrylic acid Empirical C4H6O2 Formula CH iCHCOOCH,... [Pg.1194]

Definition Sodium salt of a polymer consisting of acrylic acid, methaciylic acid, or one of their simple esters Uses Binder in cosmetics Trade Names Dispex G40... [Pg.1341]

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