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    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    High Alkali PVA (Polyvinyl Alcohol) refers to specialized PVA grades or formulations designed to remain stable and functional in high pH environments, such as cement, concrete, and alkaline industrial applications. These materials offer high tensile strength, film-forming abilities, and are often used as binders, stabilizers, or in producing high-modulus PVA fibers for reinforcing concrete. 
    Key Characteristics and Applications 
    • Alkaline Stability: Engineered to withstand high-alkali conditions (e.g., cementious environments) without degrading.
    • Applications: Used as a stabilizer for emulsions (polyvinyl chloride, polystyrene), paper coatings, textile sizing, water-soluble films, and adhesives.
    • High-Strength Fibers: Used to produce fibers with high modulus and tensile strength for replacing asbestos or reinforcing cement, as described in studies on High Strength PVA Polyvinyl Alcohol Fiber.
    • Physical Form: Generally available as white to yellow, odorless powder or flocs, often derived via alcoholysis of polyvinyl acetate. 
    Specific Grades and Types 
    • PVA 2488: A partially hydrolyzed (88-89%) grade often used for its strong adhesion and film-forming properties.
    • High Alkali PVA Resin: Specialized types are produced for enhanced resistance in alkaline environments.
    • Modified PVA: Techniques include chemical modification or blending with agents like polyvinyl pyrrolidone (PVP) and KOH to increase ionic conductivity. 
    Advantages and Limitations 
    • Advantages: Excellent binding strength, water solubility (or insolubility if crosslinked), biodegradability, and high tensile strength.
    • Limitations: Sensitive to high humidity and has lower heat resistance compared to other polymers. 
    High-alkali PVA materials are crucial in construction, offering superior adhesion to cementitious surfaces, as shown in studies of alkaline polyvinyl alcohol. 
    • wholesale High Alkali PVA Resin Polyvinyl Alcohol factory
      Application. Polyvinyl alcohol is an important chemical raw material, used in the manufacture of polyvinyl acetal, gasoline resist...
      Schem.net
    • Synthesis and characterization of alkaline polyvinyl alcohol and poly ...
      Jul 23, 2003 — Alkaline SPE was obtained from a blend of polyvinyl alcohol (PVA) and poly(epichlorohydrin) (PECH), PVA–PECH, by a solution-cast t...
      ScienceDirect.com
    • Isuochem High Alkali PVA Resin Polyvinyl Alcohol - Polyvinyl ...
      Details * Total list - High Alkali Series. * CAS NO.: 9002-89-5. * Molecular Formula: (CH2CHOH)n. * Appearance: White flaky, flocc...
      0:24
      Made-in-China.com
    Show all
    • wholesale High Alkali PVA Resin Polyvinyl Alcohol factory
      Application. Polyvinyl alcohol is an important chemical raw material, used in the manufacture of polyvinyl acetal, gasoline resist...
      Schem.net
    • Synthesis and characterization of alkaline polyvinyl alcohol and poly ...
      Jul 23, 2003 — Alkaline SPE was obtained from a blend of polyvinyl alcohol (PVA) and poly(epichlorohydrin) (PECH), PVA–PECH, by a solution-cast t...
      ScienceDirect.com
    • Isuochem High Alkali PVA Resin Polyvinyl Alcohol - Polyvinyl ...
      Details * Total list - High Alkali Series. * CAS NO.: 9002-89-5. * Molecular Formula: (CH2CHOH)n. * Appearance: White flaky, flocc...
      0:24
      Made-in-China.com
    • An Alkaline Based Method for Generating Crystalline, Strong, ... - PMC
      Sep 24, 2020 — Treating dense stack of PVA polymer with a high‐concentration solution of alkaline metal hydroxide can physically crosslink the po...
      PubMed Central (PMC) (.gov)
    • Polyvinylalcohol Grade 49-88
      Polyvinyl Alcohol Grade 49-88 is a high-viscosity (49 cps for a 4% solution) and partially hydrolyzed (88%) water-soluble polymer.
      Chemical Store Inc.
    • PRIMER AGAINST HIGH ALKALINITY
      Jun 29, 2015 — hi today we will be protecting our forcades against extreme alkalinity for which we will apply a primer against High alkalinity. t...
      3:57
      YouTube·HRCcolor
    • High Quality Polyvinyl Alcohol - PVA - TER Chemicals
      Polyvinyl Alcohol (PVA) is a water-soluble thermoplastic that is synthesized synthetically. It is characterised by its good film-f...
      TER Chemicals
    • Polyvinyl alcohol - Wikipedia
      Polyvinyl alcohol has excellent film-forming, emulsifying and adhesive properties. It is also resistant to oil, grease and solvent...
      Wikipedia
    • Polyvinyl Alcohol (PVA): The Science Behind Its Diverse Applications
      Jan 21, 2025 — Degree of Alcoholysis (DH) mainly affects PVA's water solubility, water resistance, and chemical stability. Low-DH PVA is suitable...
      rawchemicalmart.com
    • PVA 2488 (Polyvinyl Alcohol) - Aditya Dye Chem
      Properties of PVA 2488 (Polyvinyl Alcohol): * Molecular Formula: (C₂H₄O)ₙ * CAS Number: 9002-89-5 (This is the general CAS number ...
      Aditya Dye Chem
    • Top Frequently Asked Questions About Polyvinyl Alcohol (PVA)
      Sep 27, 2024 — While Polyvinyl Alcohol has many advantages, there are some drawbacks to consider. PVA is not as heat-resistant as other polymers,
      Shijiazhuang Henggu Jianxin Cellulose Co., Ltd.
    • Plasticized PVA/PVP-KOH alkaline solid polymer blend electrolyte ...
      The highest conductivity exhibited when 20 wt.% ethylene carbonate (EC) and 30 wt.% propylene carbonate (PC) was added into the PV...
      hero.epa.gov
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    wholesale High Alkali PVA Resin Polyvinyl Alcohol factory


    Schem.net
    https://www.schem.net › high-alkali-pva-resin-polyviny...
    Schem.net
    https://www.schem.net › high-alkali-pva-resin-polyviny...
    We offer high quality High Alkali PVA Resin Polyvinyl Alcohol and more Polyvinyl Alcohol PVA. Find the perfect Polyvinyl Alcohol PVA here!
    People also ask
    Is PVA harmful to humans?
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    What are the health hazards of PVA?
    SYMPTOMS: Inhalation of the dust of this chemical may cause irritation of the nose and throat and cause coughing and chest discomfort if heated above 390°F. The dusts may also irritate the eyes. Implantation of this chemical into the breast has been associated with fibrosis.

    POLYVINYL ALCOHOL - CAMEO Chemicals - NOAA


    CAMEO Chemicals - NOAA
    https://cameochemicals.noaa.gov › chemical
    CAMEO Chemicals - NOAA
    https://cameochemicals.noaa.gov › chemical
    What is another name for PVA?
    Polyvinyl acetate (PVA, PVAc, poly(ethenyl ethanoate)), commonly known as wood glue (a term that may also refer to other types of glues), PVA glue, white glue, carpenter's glue, school glue, or Elmer's Glue in the US, is a widely available adhesive used for porous materials like wood, paper, and cloth.

    Polyvinyl acetate - Wikipedia


    Wikipedia
    https://en.wikipedia.org › wiki › Polyvinyl_acetate
    Wikipedia
    https://en.wikipedia.org › wiki › Polyvinyl_acetate
    Is PVA food safe?
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    Web results

    Polyvinyl alcohol


    Wikipedia
    https://en.wikipedia.org › wiki › Polyvinyl_alcohol
    Wikipedia
    https://en.wikipedia.org › wiki › Polyvinyl_alcohol
    Polyvinyl alcohol (PVOH, PVA, or PVAl) is a water-soluble synthetic polymer. It has the idealized formula [CH 2 CH(OH)] n. It is used in papermaking, textile ...Read more

    High Quality Polyvinyl Alcohol - PVA


    TER Chemicals
    https://www.terchemicals.com › productdetail › polyvin...
    TER Chemicals
    https://www.terchemicals.com › productdetail › polyvin...
    Polyvinyl alcohol (PVA) is a water-soluble thermoplastic that is synthesized synthetically. It is characterised by its good film-forming properties.Read more

    Poly(vinyl alcohol) Mw 85000-124000, 99+% hydrolyzed ...


    Sigma-Aldrich
    https://www.sigmaaldrich.com › product › aldrich
    Sigma-Aldrich
    https://www.sigmaaldrich.com › product › aldrich
    Poly (vinyl alcohol) (PVA) is a useful industrial, medical and biomimetic material. PVA with high molecular weight is useful in preparing gel which ...Read more
    $58.90 · In stock · $32.18 delivery

    How to dissolve poly(vinyl alcohol) in acidic or basic ...


    ResearchGate
    https://www.researchgate.net › post › How_to_dissolve...
    ResearchGate
    https://www.researchgate.net › post › How_to_dissolve...
    Feb 20, 2019 — Take a finely powdered polymer, disperse it in a small amount of acetone, and add it all to pure water under intense stirring. Your PVA should dissolve easily.Read more
    6 answers  ·  Top answer: Hi, Dmitriy Berillo , Nikolay Tarabanko PVA always has hydrolyzable acetate groups in its polymeric chain. Harsh alkaline & acidic conditions will cause ...
    How to disperse PVA solution into Alkaline solution without ...
    Jul 21, 2017
    Which PVA polyvinyl alcohol should I use for P inorganic ...
    Dec 10, 2019
    More results from www.researchgate.net

    Alkaline Treatment Variables to Characterize Poly(Vinyl ... - PMC


    National Institutes of Health (.gov)
    https://pmc.ncbi.nlm.nih.gov › articles › PMC9505735
    National Institutes of Health (.gov)
    https://pmc.ncbi.nlm.nih.gov › articles › PMC9505735
    by SB Yang · 2022 · Cited by 11 — PVA has unique characteristics, such as hydrophilicity, biodegradability, biocompatibility, ease of processing, and high cytocompatibility [26, ...Read more

    Alkali Doped Poly(vinyl alcohol) (PVA) for Anion-exchange ...


    IOPscience
    https://iopscience.iop.org › article
    IOPscience
    https://iopscience.iop.org › article
    by J Fu · 2010 · Cited by 54 — Novel alkaline solid polymer electrolyte membranes have been successfully prepared for poly(vinyl alcohol) (PVA), poly(vinyl alcohol)/poly(vinylpyrrolidone)(PVA ...Read more

    KURARAY POVAL™ K grades


    Kuraray
    https://poval.kuraray.com › ... › KURARAY POVAL™
    Kuraray
    https://poval.kuraray.com › ... › KURARAY POVAL™
    KURARAY POVAL™ K grades have excellent solubility in water and alkali. That makes these polyvinyl alcohols ideal for use in the paper industry, ...Read more

    Interface bonding properties of polyvinyl alcohol (PVA) ...


    ScienceDirect.com
    https://www.sciencedirect.com › science › article › pii
    ScienceDirect.com
    https://www.sciencedirect.com › science › article › pii
    by S Zhang · 2023 · Cited by 61 — This paper presents an experimental study on the interface bonding properties of polyvinyl alcohol (PVA) fiber in alkali-activated slag/fly ash (AASF) pastes.Read more

    Plasticized PVA/PVP-KOH alkaline solid polymer blend ...


    U.S. Environmental Protection Agency (.gov)
    https://hero.epa.gov › reference
    U.S. Environmental Protection Agency (.gov)
    https://hero.epa.gov › reference
    by FF Hatta · Cited by 12 — The highest conductivity exhibited when 20 wt.% ethylene carbonate (EC) and 30 wt.% propylene carbonate (PC) was added into the PVA/PVP-KOH sample electrolytes.Read more
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    Scholarly articles for High Alkali PVA

    … and XRD analyses for alkaline composite PVA … - ‎Yang - Cited by 116
    … on structurally modified PVA/PVP with improved alkali … - ‎Qiao - Cited by 228
    … cross-linking PVA-SiO2 hybrid membranes for alkali … - ‎Tong - Cited by 45
    People also search for
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