US4563296A - Plasticizer blend for polyvinyl butyral - Google
A plasticizer blend for polyvinyl butyral (PVB) comprising a monoester of a glycol and a C 16 to C 20 unsaturated fatty acid having a hydroxyl group attached to the acid molecule and a multiester of an alcohol having 2 to 4 hydroxyl groups and said unsaturated fatty acid, the monoester being present in the blend on a weight basis in an amount equal to or greater than the multiester.
Handbook of Thermoplastics - Routledge Handbooks
Poly (vinyl acetate) is first saponified by transesterification with ethanol and a mineral acid catalyst to produce PVA that precipitates and therefore can be separated from remaining ethanol and ethyl acetate by centrifugation.
Polyvinyl butyral 63148-65-2 - Sigma-Aldrich
Description General description Polyvinyl butyral is a type of resin that can be synthetically prepared from vinyl acetate monomer. [ 1] It finds applications in the manufacture of phenolic resin bonded diamond wheels, used for grinding hard metals. [ 2] Packaging 100 g in poly bottle Application
Supercritical fluid extraction of plasticizers in poly(vinyl
Poly(vinyl butyral) Plasticizers Dihexyladipate Triethylene glycol-di-ethyl hexanote ... At high pressures the isotherm was convex and the hysteresis disappeared.
US4390594A - Plasticizers for polyvinyl butyral - Google Patents
Claims (20) I claim: 1. A plasticizer for polyvinyl butyral having a molecular weight between about 30,000 and 600,000, a 0 to 10% content by weight of residual ester groups, calculated as polyvinyl acetate and a 12 to 25% content by weight of hydroxyl groups, calculated as polyvinyl alcohol wherein the plasticizer comprises a mixture of: (a
- What is polyvinyl butyral (PVB)?
- Polyvinyl butyral (PVB) is a polymer for highly demanding applications. It is characterized by its optical clarity, toughness, flexibility and excellent adhesive properties with many materials such as glass, metal, plastics and wood. Due to these properties, PVB is mainly used for laminated safety glass..
- Which plasticizer is best for bio-polymers?
- Proviplast®/Provichem® coating, ink, sealant and adhesive plasticizer and solvent portfolio Plasticizers for bio-polymers Proviplast 01422 – High performance general purpose plasticizer.
- What types of plasticizers does Proviron offer?
- Proviron provides a wide variety of plasticizers with different applications in coatings, adhesives, inks and sealants. We look forward to partnering with you to give your application a “green” touch! Proviplast®/Provichem® coating, ink, sealant and adhesive plasticizer and solvent portfolio Plasticizers for bio-polymers
- What are Proviplast rubber plasticizers used for?
- Our Proviplast rubber plasticizers improve overall flexibility, with low temperature properties and high temperature aging stability. In rubbers they are suitable for applications such as seals, conveyor belts, automotive tubes and hoses.
- Does a special polymer need a plasticizer?
- A special polymer requires a special plasticizer. The high-quality Proviplast@ PVB plasticizers produced by Proviron meet the requirements of highly demanding PVB applications. Plasticizers from Proviron are commonly used in polar rubbers such as nitrile rubber, acrylate elastomers and chlorinated polymers.
- Are PVC plasticizers phthalate-free?
- Pick your line of products and let us assist you. The most commonly used plasticizers for PVC are phthalates. However, there are concerns about the toxicity of certain phthalates. This is leading to an increasing pressure from both public authorities and customers to shift towards the use of phthalate-free alternatives.
