ELVALOY Copolymer Alloys | Plastics Modification | Dow Inc.
ELVALOY is a flexible polymer that is highly miscible with PVC during the PVC compounding stage. This makes it a useful PVC plasticizer. Because it is a high-molecular-weight, solids-phase (non-liquid) PVC plasticizer, ELVALOY adds permanent flexibility to the PVC compound, enabling higher-value use in more demanding applications.
PVC Geomembranes for Environmental Containment | Layfield
Standard formulations of PVC geomembrane materials are blended for longevity and low cost. Layfield's PVC materials meet the requirements of ASTM D7176 Standard Specification for Non-reinforced Polyvinyl Chloride (PVC) Geomembranes. Recently Viewed/Related Products Enviro Liner 6000 Textured Geomembrane
Clarifying the nomenclature of Elvaloy-based geomembranes
KEE is available under the Elvaloy trade or product name and is used to plasticize polyvinyl chloride (PVC) geomembranes, as discussed in detail in this article. KEE was invented by DuPont, and the original 1973 patent has expired. DuPont developed KEE to provide a solid plasticizer or polymer to replace liquid plasticizers that would make PVC
30 Mil PVC fabricated geomembrane from EPI - The Liner Company
Environmental Protection Inc. 30 mil PVC fabricated geomembrane liner, ASTM D7176, ASTM D7408, ASTM D7177 ... Linear Low Density Polyethylene - Smooth ... Plasticizer
PVC geomembrane plasticizer technology
PVC geomembrane plasticizer technology Technology of Plasticizers EXTRACT FROM: "THE TECHNOLOGY OF PLASTICIZERS" BY J. KERN SEARS AND JOSEPH R. DARBY CHAPTER ON "PERMANENCE OF PLASTICIZED PVC"from the plasticizers occupying more of the surface area at higher concentrations.
- What is PVC geomembrane?
- PVC geomembrane is a highly flexible thermoplastic waterproofing geomembrane manufactured from a mixture of vinyl compounds, plasticizers, and stabilizers. They are your answer if you need to cover your subgrade fast.
- What are PVC-P waterproofing geomembranes?
- Formualtion PVC-P waterproofing geomembranes are composed of 30–40% PVC resin and other additives ( Koerner, 2012), mainly plasticizers. Plasticizers are a group of more than 1000 different polymers used to change the behaviour of PVC from a rigid material to a semi-rigid or flexible one.
- How much plasticizer is in a geomembrane?
- Typically, the plasticizer content in geomembranes ranges from 25 to 35% in weight. Fillers (e.g. CaCO 3) added to the PVC resin may also account for 20–30% of the weight of the geomembrane. Fillers are used to reduce the price, but also to enhance the abrasion resistance and flame-retarding properties.
- What is transparent PVC geomembrane?
- PVCG-1: Transparent PVC geomembrane. PVC geomembrane is polyvinyl chloride waterproof board. It is a kind of superior quality, high polymer waterproof sheet.
- Does plasticizer loss affect geomembranes in underground applications?
- In the hypothesis that plasticizer loss is the only degradation process relevant to geomembranes in underground applications, the loss of plasticizer can be evaluated through the loss of weight of the specimens. Accordingly, all the specimens were cleaned, dried in the desiccator for 72 h and weighed before testing.
- Are PVC-P geomembranes degraded in underground application conditions?
- To analyse the long-term degradation of PVC-P geomembranes in underground application conditions, in this study, a specifically designed accelerated ageing device has been used for the tests. Furthermore, plasticizer absorption tests have been used to estimate the dependence of plasticizer loss on temperature and plasticizer content.
