SELVOL™ polyvinyl alcohol is manufactured from vinyl acetate monomer (VAM) via a multistep process. VAM is polymerized into polyvinyl acetate and then converted to polyvinyl alcohol. To access additional literature regarding SELVOL™, please click here.
When one product has so many applications, we have to continually learn where else it can be useful. SELVOL™ is one of these products. SELVOL™ is used most widely for adhesives, but it also spans industry and agriculture for emulsion polymerization; films, and packaging; as well as oil field cementing, paper, textiles, ceramics, and seed coating.
SELVOL™'s various grades offer more versatility from one product than any other PVOH product we offer. The key to working with SELVOL™ lies in finding the right grade to suit your needs.
Grades
Standard Grades
Individual SELVOL™ polyvinyl alcohol grades vary in molecular weight and degree of hydrolysis. Molecular weight is generally expressed in terms of solution viscosity. The viscosities are classified as ultra low, low, medium and high, while degree of hydrolysis is commonly denoted as super, fully, intermediate and partially hydrolyzed. A wide range of standard grades is available.
In addition to Sekisui Specialty Chemicals's standard product line, several specialty grades are available, including polymerization, fine particle size and tackified polyvinyl alcohols.
- SELVOL™ 805, 823 and 840 polyvinyl alcohols are improved versions of our standard polymerization grades (SELVOL™ 205, 523 and 540 polyvinyl alcohols, respectively). These products offer a number of advantages in emulsion polymerization applications including improved water solubility and lower foaming.
- SELVOL™ polyvinyl alcohol S-grades are similar to standard grades, but have a fine particle size so that 99+% of the product will pass through a U.S.S. 80-mesh screen. These grades are available commercially as SELVOL™ 203S, 205S, 523S and 540S polyvinyl alcohols.
- Tackified SELVOL™ polyvinyl alcohols are produced by controlled boration of super hydrolyzed and fully hydrolyzed grades. These borated alcohols yield viscous aqueous solutions, which have a tailored degree of tack and significantly reduce penetration when applied onto surfaces such as paper.
SELVOL™ Solutions
Sekisui Specialty Chemicals offers pre-made solutions of some of our standard grades. A SELVOL™ solution eliminates the dissolution step and offers a number of advantages including ready-to-use, improved solution consistency and lower energy and processing cost (no cook required). SELVOL™ solutions are only available in the U.S.
Product Availability
SELVOL™ standard and specialty grades are available globally and are supported by a worldwide in-region sales force. Contact us for more information.
