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    AI Overview
    Carbopol® 971P NF polymer is a lightly crosslinked, high-molecular-weight acrylic acid homopolymer (carbomer) used primarily in pharmaceutical applications. It acts as an efficient viscosity modifier, binder, and sustained-release agent, particularly in oral and mucosal drug delivery. Key features include superior bioadhesion and stable gel formation, with a white, fluffy powder appearance. 
    Key Applications & Benefits 
    • Controlled/Extended Release: Highly effective in oral solid dosage forms (tablets) for sustaining drug release due to its resistant three-dimensional gel structure.
    • Bioadhesion: Excellent mucoadhesive properties make it suitable for oral and mucosal delivery systems.
    • Rheology Modification: Acts as a thickener and suspension stabilizer for lotions, liquids, and gels, offering high stability.
    • Formulation Versatility: Compatible with various active ingredients; used at low concentrations (0.2–1 wt% for liquids, 5–10 wt% for tablets).
    • Compliance: Meets international pharmacopoeial standards (NF - National Formulary). 
    Physical Properties 
    • Appearance: White, fluffy powder.
    • Chemical Nature: Carbomer Homopolymer Type A.
    • Viscosity: 4,000–11,000 mPa·s (at 0.5% aqueous gel, 25°C). 
    Carbopol 971P is known for being less crosslinked and offering lower viscosity compared to Carbopol 974P. 
    Show more

    Web results

    Carbopol® 971P NF Polymer


    Lubrizol
    https://www.lubrizol.com › products › detail-pages › ca...
    Lubrizol
    https://www.lubrizol.com › products › detail-pages › ca...
    Carbopol® 971P NF polymer is used in oral and mucosal contact applications such as extended/controlled release tablets, oral liquids and suspension and ...

    Carbopol® 971P NF Polymer


    Pharma Excipients
    https://www.pharmaexcipients.com › Shop
    Pharma Excipients
    https://www.pharmaexcipients.com › Shop
    Carbopol 971P NF polymer is used in oral and mucosal contact applications such as extended/controlled release tablets, oral liquids and suspension and ...Read more
    People also ask
    What is the difference between Carbopol 971 and 974?
    Though Carbopol 971 P and Carbopol 974 P are manufactured by same process under similar conditions, the difference in them is that Carbopol 971 P has slightly lower level of cross-linking agent than Carbopol 974 P. Carbopol 71 G is the granular form Carbopol grade5.

    structure of carbopol


    rjptonline.org
    https://rjptonline.org › HTML_Papers
    rjptonline.org
    https://rjptonline.org › HTML_Papers
    What type of polymer is Carbopol?
    HMw acrylic acid polymers
    Carbopols/carbomers are HMw acrylic acid polymers that are linked to allyl sucrose. Based on dry weight, these have carboxylic acid groups that range from 56% to 68% w/w. These are utilized as a suspending agent, rate-controlling agent in tablets, dry and wet binder, protease enzyme inhibitor, and so on.

    Carbomer - an overview | ScienceDirect Topics


    ScienceDirect.com
    https://www.sciencedirect.com › topics › carbomer
    ScienceDirect.com
    https://www.sciencedirect.com › topics › carbomer
    What is the difference between carbomer 934P and 974P?
    The sustained-release effect of 974P is stronger than that of 934P. The release rate of tablets containing 10% carbomer 974P is similar to that of tablets containing 30% carbomer 934P. In addition, factors such as the solubility of the drug and the pH value of the medium also affect the release of the drug.

    What is Carbomer and Its Applications? - BOC Sciences


    BOC Sciences
    https://www.bocsci.com › resources › what-is-carbomer-...
    BOC Sciences
    https://www.bocsci.com › resources › what-is-carbomer-...
    Is Carbopol 974P safe for humans?
    The toxicity of carbomers has been summarized by the Cosmetic Ingredient Review Expert Panel in their assessment of the safety of the carbomers for cosmetic ingredients. This assessment and subsequent toxicology testing have demonstrated a low toxicity and irritation potential.

    Carbopol® 974P NF Polymer - Lubrizol


    Lubrizol
    https://www.lubrizol.com › pharmaceuticals › detail-pages
    Lubrizol
    https://www.lubrizol.com › pharmaceuticals › detail-pages

    Web results

    CARBOPOL 971P NF - LUBRIZOL


    IMCD US
    https://www.imcdus.com › product › carbopol-971p-nf
    IMCD US
    https://www.imcdus.com › product › carbopol-971p-nf
    CARBOPOL® 971P NF polymer is a thickener and rheology modifier with long flow commonly used in the pharmaceutical industry. It also has bioadhesive and ...Read more

    Use of a polyanionic carbomer, Carbopol971P, in combination ...


    PubMed Central (PMC) (.gov)
    https://pmc.ncbi.nlm.nih.gov › articles › PMC3327552
    PubMed Central (PMC) (.gov)
    https://pmc.ncbi.nlm.nih.gov › articles › PMC3327552
    by AK Dey · 2012 · Cited by 33 — Carbopols, hydrophilic polyanionic carbomers, are polymers of acrylic acid cross-linked with polyalkenyl ethers or divinyl glycol. ... Carbopol® 971P NF (referred ...Read more

    carbomer carbopol 971p


    nmcarbomer.com
    https://www.nmcarbomer.com › carbomer-carbopol-971...
    nmcarbomer.com
    https://www.nmcarbomer.com › carbomer-carbopol-971...
    This polymer provides suspension at low product viscosity and improves freeze-thaw and high temperature stability. This polymer performs well in challenging ...Read more

    Processing of Extended Release Tablets Containing ...


    Freund Global
    https://www.freund-vector.com › Technical Papers
    Freund Global
    https://www.freund-vector.com › Technical Papers
    Processing of Extended Release Tablets Containing Carbopol® 971P NF Polymer by Top-Drive High Shear. To evaluate the aqueous granulation process in a pilot- ...Read more

    Carbopol® 971P NF Polymer


    Essential Ingredients
    https://www.essentialingredients.com › NO-Cb971PNF-48
    Essential Ingredients
    https://www.essentialingredients.com › NO-Cb971PNF-48
    Details: Key Features: Bioadhesive agent; Extended release modifier. Additional Features: Thickener and rheology modifier; Emulsion and suspension ...Read more

    formation-and-characterization-of-carbopol-971p-pvp- ...


    Journal of Advanced Pharmacy Education and Research
    https://japer.in › storage › models › article › for...
    Journal of Advanced Pharmacy Education and Research
    https://japer.in › storage › models › article › for...
    PDF
    The present investigation was aimed to prepare inter-polymer complex between Carbopol 971P and different grades of Poly (vinyl pyrrolidone) such as K25,. K30, ...Read more
    8 pages

    PHARMACEUTICAL POLYMERS TYPICAL PROPERTIES ...


    Pharma Excipients
    https://www.pharmaexcipients.com › 2020/08 › L...
    Pharma Excipients
    https://www.pharmaexcipients.com › 2020/08 › L...
    PDF
    The differences between Carbopol. 971P NF polymer and. Carbopol 71G NF polymer are particle size and density. Carbopol® 971P NF polymer (powder form). 2 µm.Read more
    4 pages

    CARBOPOL 974P NF POLYMER


    Lubrizol
    https://media.lubrizol.com › SPEC_Carbopol_971P
    Lubrizol
    https://media.lubrizol.com › SPEC_Carbopol_971P
    PDF
    Carbopol® 971P polymer meets the requirements for EU food additive E 1210 Carbomer. Applicable synonyms for Carbopol® 971P polymer are ...Read more
    1 page
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