United states pharmacopeianational formulary uspnf monograph for carbomer homopolymer type a note. Molecular weight of carbopol and pemulen polymers, lubrizol technical data sheet, tds222, lubrizol advanced materials. The addition of a neutralizer naoh formed the gel ph in a range between 5. Carbopol is available in several different grades, which are widely used in manufacture of cosmetics and toiletries, including gels, creams and lotions, detergents, and air fresheners. Easy to use, it is low dusting, and disperses quickly under gentle agitation. It is because of this that carbomers are also called carbonmolecules. Lubrizol sa005 sulphated ash, % residue on ignition 2. Neutralizing carbopol and pemulen polymers in aqueous and. Lubrizol s benzene polymerized polymers do not meet the european pharmacopeial carbomers monograph because the residual benzene levels exceed the 2 ppm limit.
Unavailable we are working on obtaining a alternative. Lyndel speedy 18072014 with thanks to ensign laboratories. Carbomer 910, 934, 934p, 940, 941 msds special notice. It is a crosslinked polymer for adhesive applications. This work would be able to provide an important information in the study of rheological attribution of carbopol in application of pharmaceutics and cosmetics. Lubrizol s benzene polymerized polymers do not meet the european pharmacopeial carbomers monograph because the residual benzene levels exceed the 2 ppm limit stipulated in the monograph. Carbopol 941 nf polymer product specifications lubrizol. Several guidelines for dispersing carbopol powders are as follows.
It provides excellent emulsion and suspension stability at low viscosities. United states pharmacopeianational formulary uspnf monograph for carbomer 941 general product characteristics. Carbopol 974p nf carbopol 980 nf and carbopol ultrez 10 nf carbopol 71g nf, carbopol 971p nf and carbopol. Bulletin 7 flow and suspension properties lubrizol. Carbopol polymers have an average equivalent weight of 76 per. Carbopol 974p nf polymer was introduced for use in oral and mucosal contact applications such as oral liquids, bioadhesive formulations, oral care formulations and extended release tablets. This allows for the longest possible mixing time which helps insure that the carbopol resin is completely dispersed and hydrated. It provides exceptional clarity around neutral ph and desirable flow characteristics.
Carbopol interpolymers are a carbomer homopolymer or copolymer that contains a block copolymer of polyethylene glycol and a long chain alkyl acid ester for above. Effect of carbopol 934 and 940 on flucona zole release from topical gel formulation. Carbopol aqua sf1 acrylates copolymer trulux pty ltd. Products within the carbopol polymer family are chemically similar in that they are all high molecular. Please login to your account to see the current stock availability of this product. By blocking the alkalinizing action of semen in the vagina, carbopol 974p may inactivate hiv and prevent the virus from multiplying. Carbopol 941 nf polymer can be used to produce lowviscosity lotions and gels with good clarity. Oral and topical residual solvent of carbopol 971p nf. Thickner agents in hand sanitizer cosmetic science talk. Carbopol 934p nf carbopol 940 nf carbopol 941 nf carbopol 42 nf wednesday, 05 june 20.
The polymer has short flow rheology similar to mayonnaise. It is designed to suspend, stabilize and enhance the appearance of low viscosity personal care products. This newest rheology modifier in the family of carbopol polymers offers good electrolyte tolerance, high thickening performance in a broad ph range, and a rich, distinct sensory in challenging skin care formulations. Carbopol aqua sf1 polymer acts as a rheology modifier and suspending agent.
Dispersion techniques for carbopol polymers technical. Carbopol 941 polymer is a white powder, crosslinked polyacrylic acid polymer. Carbopol polymers to use to achieve exact neutralization at a ph of 7. Cosolvent mixture of ethyl acetate and cyclohexane carbopol 980 nf polymer is a highly efficient thickener and it is ideal for formulating clear aqueous and hydroalcoholic gels. The information contained herein is believed to be reliable, but no representations, guarantees or warranties of any kind are made as to its accuracy, suitability. Carbopol 941 chemical information, properties, structures, articles, patents and more chemical data. Carbomer 934, resin, powder, nf, carbomer 941, nf, carbomer 940, nf, carbomer 941, thickening agent, carbomer 934p, resin, nf, you have no items in your cart. Conditions for safe storage, including any incompatibilities storage conditions.
China carbopol 981 nf factory,carbopol 981 nf manufacturer. Rheological characterization of carbopol 940 in steady. Utilized in pharmaceutical products as rheology modifiers, tablet binders, suspension stabilizers, extended release polymers, mucoadhesive aids, and bioavailability enhancers, carbopol polymers are well known for their. Carbopol 941 nf polymer meets the limits cited in the current edition of the following monograph. Exhibits short flow characteristics when properly dispersed and neutralized.
It is a lightly crosslinked polymer with long rheology, which will result in flow like honey in a. Additionally, carbopol 974p nf polymer can be used to formulate viscous gels, emulsions and suspensions. Chemicals carbomer carbopol ultrez 21 polymer is our most versatile personal care polymer. The previous uspnf compendial name for this product was carbomer 941. It is designed to suspend, stabilize, and enhance the. The polymer has long flow rheology similar to honey. Note that carbopol 941 has better flow characteristics in a product such as this. Carbopol 971p nf polymer is used in oral and mucosal contact applications such as extendedcontrolled release tablets, oral liquids and suspension and bioadhesive formulations.
The polymer can replace carbopol 940 polymer and carbopol 980 polymer for applications requiring easy processing and a carbomer inci name, such as clear gels, hydroalcoholic gels. Carbopol ultrez 10 polymer can be used for applications requiring easy processing and a carbomer. Carbopol 971p 114 2100 992 6200 99 carbopol 974p 55. Add carbopol polymers as early in a formulation as possible. Carbomer 934p is a high molecular weight polymer of acrylic acid crosslinked with allyl ethers of sucrose or pentaerythritol. A comparative rheological study on carbopol viscous solutions and, the evaluation of their suitability as ophthalmic vehicles and artificial tears. Since their creation as the first commercial carbomers over 50 years ago, lubrizol s carbopol polymers have continued to be the highest quality carbomers on the market. This behavior, that mimics foams behavior under deformation, could be due to the properties of the. Add carbopol resins slowly to the vortex of an already agitating medium. Store in tightly sealed containers in a dry and cool room. In contrast, carbopol 941 nf, 981 nf and 971p nf polymers, a lower molecular weight, more lightly crosslinked polymer, provides a fairly long flow rheology. Carbopol 940 nf polymer is a highly efficient thickener used for formulating clear aqueous and hydroalcoholic gels.
Slightly acetic % solution minimum maximum test frequency lubrizol procedure number brookfield rvf or rvt viscosity, mpas. Dust can combine with air to form an explosive mixture. On the other hand, amplitude sweep tests performed by ketz et al. Pharmaceutical bulletin 1 polymers for pharmaceutical. Carbomer 941, nf is an expanded molecule that will increase continually when more alkyne bonds are presented. Information about protection against explosions and fires.
Tuesday 10 march is a crosslinked polyacrylic acid polymer that provides efficient rheology modification thickening with enhanced selfwetting for ease of use. Carbopol 907 is a linear polymer and is soluble in water. Carbopol polymers are highly water and polar solvent soluble polymers which function as efficient thickeners and stabilizers for suspensions or emulsions. Carbopol aqua sf1 os polymer synonyms acrylates copolymer 1. Our carbopol, pemulen, and noveon polymers have been successfully used. Exporting carbopol 981 nf products all over the world since 2011. Carbomer carbomera carbomerum 974 980 nf polymer contd. Carbopol 974p clinical trials, side effects aidsinfo. Spec carbopol 941 nf carboxyvinyl polymer jpe lubrizol. Carbomer 934p, previously dried in vacuum at 80 for 1 hour, contains not less than 56. Carbopol ultrez 10 polymer is a crosslinked polyacrylic acid polymer that provides efficient rheology modification with enhanced selfwetting for ease of use.
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