WebApr 6, 2024 · Carbomers are acrylic acid polymers that are used for a variety of purposes. They are used in pharmaceutical processes as suspending agents, gel bases, emulsifiers, and binding agents. They are also used as artificial tears. WebCarbomer polymers contain 56%–68% of carboxylic acid (–COOH) groups and 0.75%–2% of cross-linking agents. Carbomers absorb water readily upon contact with water, …
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Poly(acrylic acid) (PAA; trade name Carbomer) is a polymer with the formula (CH2-CHCO2H)n. It is a derivative of acrylic acid (CH2=CHCO2H). In addition to the homopolymers, a variety of copolymers and crosslinked polymers, and partially deprotonated derivatives thereof are known and of commercial … See more PAA is produced by free radical polymerization. Initiators include potassium persulfate and AIBN. Polyacrylic acid is a polyolefin. It can be viewed as polyethylene with carboxylic acid (CO2H) … See more About 1,600,000,000 kg were produced in 2008. See more Dry PAAs are sold as white, fluffy powders. In the dry powder form, the positively charged sodium ions are bound to the polyacrylate, however in aqueous solutions the … See more Polyacrylic acid is a weak anionic polyelectrolyte, whose degree of ionisation is dependent on solution pH. In its non-ionised form at low … See more Absorbent PAA is widely used in dispersants and since the molecular weight has a significant impact on the rheological properties and dispersion capacity, and hence applications. The dominant application for PAA … See more WebMar 27, 2024 · Carbomer is a high molecular weight polymer compound used commonly in the cosmetic industry. These compounds can absorb large amounts of water, increasing in volume up to 1,000 times to form gels and thick solutions that are stable and resistant to spoilage. When not in solution, they carbomers exist as a white powder. ireland elementary school jasper indiana
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WebCarbomers. Carbomers are acrylic acid polymers that are used for a variety of purposes. They are used in pharmaceutical processes as suspending agents, gel bases, … WebPolymers with mucoadhesive properties are natural or synthetic hydrophilic molecules containing functional groups that could interact with the mucin glycoproteins via non-covalent bonds such as hydrogen bonds, van der Waals forces and ionic interactions. Examples include carbomers (e.g., Carbopol® polymers), xanthan gum, WebPemulen™ TR-2 NF Polymer (Carbomer Copolymer Type A USP NF) Applicable synonyms for Pemulen™ TR-2 NF Polymer: carbomer, carboxypolymethylene Polymerization/Residual solvent: Cosolvent mixture of ethyl acetate and cyclohexane Key features: Emulsifier Thickener/rheology modifier Additional features: Bioadhesive agent order leis from hawaii