Vinyl acetate ethylene copolymer resin can be used in adhesives, sealants and coatings. It is the basis of many hot melt adhesives when blended with a petroleum wax and a resin tackifier. Also, it imparts plastic-like properties that enable wax to compete effectively with high-quality polymeric coat... read more
PVA is used in a variety of medical applications because of its biocompatibility, low tendency for protein adhesion, and low toxicity. Specific uses include cartilage replacements,contact lense and eye drop Polyvinyl alcohol is used as an aid in suspension polymerizations. Its largest application in... read more
Hazards of dust and common treatment methods Pulverized coal flying in the roadway during coal mining.Coal dust pollutes the air and affects the health of miners. When it reaches a certain concentration in the air, it will cause explosion and disaster when it meets fire. Fine particles of coal dust... read more
Acrylic polymer emulsions are water based polymers that can be produced from methyl methacrylate, butyl acrylate, 2-ethylhexyl acrylate, acrylic acid, methyl acrylate, etc. By selecting the appropriate hard and soft monomers, polymers with specific attributes for a variety of end-use applications c... read more
Cementing is an indispensable part of drilling and completion operation, which includes casing running and cementing.Cementing technology is a multidisciplinary comprehensive application technology, which has the characteristics of systematization, one-time and short time.The main purpose of cementi... read more