Carbomer 940 Structure. There are different types of carbomer materials based on th

There are different types of carbomer materials based on their composition and applications. Carbomer 940 is an extremely efficient rheology modifier capable of providing high viscosity and forms sparkling clear gels or hydro-alcoholic gels and creams. Sep 30, 2022 · It comes in the form of white fluffy powder, but in the cosmetic industry, it is used in the form of gel or liquid. Ataman Kimya CAS No. The chemical formula of carbomer is (C 3 H 4 O 2) n. Get to learn about properities of Carbopol 940 76050-42-5. The crosslinked structure gives it its unique properties, such as the ability to absorb and retain water, which leads to its thickening and gelling abilities. 3 (0. 9007-20-9 Carbomer 940 polymer is a white powder, crosslinked polyacrylic acid polymer. 0% of carboxylic acid (–COOH) groups, calculated on the dried basis. It is available as a white, fluffy, and highly hygroscopic powder, which readily absorbs water and other polar solvents. Carbomer 940, previously dried in vacuum at 80° for 1 hour, contains not less than 56. 0, gives a gel structure. Carbomer 940 contains NLT 56. Applications: Gel-creams, hair gels, and other gels, lotions, creams. 3 days ago · Carbomer (CAS 9007-20-9) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices KEGG DRUG: Carbomer 940 DBGET In organic chemistry, a carbo-mer (often carbo-mer or carbomer) is an expanded molecule obtained by insertion of C 2 units into a given molecule. May 14, 2024 · In aqueous solutions, Carbomer 940 forms a gel-like network, thanks to its cross-linked polymer structure. The Chemical Structure And Classification Of Carbomer 940 The molecular structure of Carbomer 940 is based on acrylic acid as the main chain, and forms a three-dimensional network with a crosslinker (such as allyl sucrose or pentaerythritol) through covalent bonds. Those polymers of acrylic acid have high molecular weight. 5percent aqueous dispersion of Carbomer 940is between 40,000and 60,000centipoises. The viscosity of a neutralized 0. 5% solution at 25oC/77oF). The viscosity of a neutralized 0. Further, there are many different types namely - Carbomer 940, Carbomer 980, Carbomer 974p, carbomer 934, and Carbomer 934p. 0percent of carboxylic acid (–COOH)groups. Its chemical structure is based on a repeating unit of acrylic acid and allyl ether pentaerythritol, which forms a three-dimensional network when neutralized and hydrated. Carbomer 940 is a high molecular weight polymer of acrylic acid cross-linked with allyl ethers of pentaerythritol. » Carbomer 940 is a high molecular weight poly- mer of acrylic acid cross-linked with allyl ethers of pentaerythritol. White powder. 0percent and not more than 68. Increasing the pH to >6. Solubility: Water-soluble Preservation: Preservative-free Jun 16, 2021 · Therefore, we hypothesized that agarose stearate–carbomer 940 (AS/CBM 940) combination system might have the possibility of replacing, partially or completely, the surfactants in the cosmetic formulation, while maintaining a long-term stability and the characteristic rheological and organoleptic properties of the cosmetics. Get expert advice from a leading Carbomer supplier. It has a glass transition temperature of 100-105°C and is soluble in water, ethanol, and glycerin. For external use only. Apr 19, 2021 · April 19, 2021 Posted by Madhu The key difference between carbomer 940 and 980 is that carbomer 940 is important as a rheological modifier, while carbomer 980 is important as a thickening agent. pH value: 2. Carbomer 940 (CBM 940) is an acrylic acid polymer, which can be used as a thickening agent. Neutralization can be carried out with inorganic bases such as NaOH or KOH or triethanolamine (TEA). Carbomer 940 Specification Sheet Description: Polyvinyl carboxy polymer crosslinked with ethers of pentaerythritol. Carbomer 940's short flow, non-drip properties are ideal for applications such as clear gels, hydroalcholic gels, and creams The carbomer codes (910, 934, 940, 941, and 934P) indicate the mass of the molecule and the specific components of its structure. 0 percent and not more than 68. 5% depending on the type of formulation desired viscosity. Sep 6, 2023 · Carbomer 940 is a synthetic polymer that consists of acrylic acid monomers crosslinked with a polyalkenyl polyether. There are other grades of carbomer with higher electrolyte tolerance but for Carbomer 940, the viscosity falls as soon as you have small amounts of any electrolyte in the medium. Soluble in water. Carbopol 940, also known as Carbomer 940, is a white, fluffy powder that is used as a thickening agent and stabilizer in the cosmetics and personal care industry. Enquire now! Carbomer 940 Specification Sheet Description: Polyvinyl carboxy polymer crosslinked with ethers of pentaerythritol. Carbomer 940 shows high benzene content, which exists the risk as a carcinogen. 5% solution). Carbomer is the market name of polyacrylate polymer. 0 percent of carboxylic acid (–COOH) groups. Used as a viscosity enhancer or gelling agent primarily in systems where clarity or viscosity is required. Carbomer 940 can be used to thicken surfactant systems, and to create a suspension product. Carbomer 940 provides a stable gel matrix, and exhibits good heat, light and microbial contamination resistance. Water-dispersible, gentle on skin, and ideal for stable, smooth cosmetic formulations. It’s this unique formation that gives Carbomer 940 its stability and viscosity properties, making it an invaluable ingredient in various formulations. 1-0. Carbomer must be thoroughly mixed and hydrated. 0% and NMT 68. Chemical Structure and Properties: Carbomer 940 is a cross-linked acrylic acid polymer with the chemical name Polyacrylic Acid. Carbomers were born in 1958 and belong today to the most widely used ingredients in personal care. 5 percent aqueous dispersion of Carbomer 940 is between 40,000 and 60,000 mPa Typical use level 0. Dec 17, 2025 · Carbomer 940, also known as carbopol 940, is a white powder that is a high molecular polymer cross-linked by acrylic acid and allyl sucrose ether or allyl pentaerythritol ether. Carbomer 940, a polymer of acrylic acid cross-linked with a polyfunctional agent, is commonly used as a thickening agent, suspension agent, viscosity enhancer, as well as a gelling agent. The carbomer codes (910, 934, 940, 941, and 934P) indicate the mass of the molecule and the specific components of its structure. 7-3. Feb 8, 2008 · Substance record SID 47205836 for Carbomer 940 (NF) submitted by KEGG. . The cross-linked structure of Carbomer 940 creates a barrier that supports controlled drug release, ensuring the medication is delivered consistently over time rather than in a single rapid burst. Enhanced Contact Time For transdermal delivery to work, the drug must remain on the skin long enough to penetrate. The overall knowledge and encyclopedia of Carbopol 940 covering characteristics, safety, Carbopol 940 usage, MSDS/SDS and more. Sep 6, 2023 · Carbomer 940, also known as Carbopol 940, is a cross-linked acrylic acid polymer. Carbomer 940 is cross linked with ethers of pentaerythritol, and is used primarily in systems where sparkling clarity or a sharp viscosity response is required. Carbomer 940 facilitates the drug release and local application, which can be used in the pharmaceutical Dec 17, 2025 · Carbopol 940 (CAS 76050-42-5) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices Understand the differences between Carbomer 940 and other grades for your cosmetic formulations. »Carbomer 940is a high molecular weight polymer of acrylic acid cross-linked with allyl ethers of pentaerythritol. Carbomer 940 is a premium thickener for creams, gels, and lotions. Viscos ity: 45,000-70,000 cps (0. In the following diagram you see the reduced viscosity as a function of added table salt (NaCl) to a 0,5% neutralized gel. In cosmetics, carbomers are used extensively in skin care products, hair, nail and make-up products and toothpastes. [1] Carbo -mers differ from their templates in size but not in symmetry when each C–C single bond is replaced by an alkyne bond C-C≡C-C, each C=C double bond is replaced by an allene bond C=C=C=C GENERAL INFORMATION Carbomer 940 is particularly appreciated for its transparency, short flow characteristics and high shear tolerance compared to other polymers from this family. Carbomer 940 1. Carbomer 940,previously dried in vacuum at 80 for 1hour,contains not less than 56. Carbomer must be thoroughly mixed and hydrated.

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