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oxidized polyethylene wax in pvc in application
oxidized polyethylene wax is low molecular weight polyethylene (PE), features is soft relatively high (100℃ above), polymer/macromolecule amount polyethylene (PE). is, melt viscosity and hardness 接近石 wax. as is lubricant, its chemical property stability, electrical property can good. polyethylene wax and polyethylene (PE), polypropylene (PP), polyethylene wax, 乙丙橡胶, 丁基橡胶 has good versus property, can improve/increase polyethylene (PE), polypropylene (PP), ABS flow property and polymethyl methacrylate (PMMA), polycarbonate (PC) demolding property. and other outer lubricant versus ratio, oxidized polyethylene wax for PVC tool has more strong/high inner lubricated function; in addition, also can used for ink, 纸张, concentrated shrink material, material degradation material, film and wax 烛, paint, hot melt adhesive and bonding agent.
PVC has very good features, has disadvantages, its in 之一就 is heat stabilized property 差. oxidized polyethylene wax used for made or anti 止PVC in processing process in thermal degradation, long its use lifespan. oxidized polyethylene wax effect/influence product color and transparent degree, and resin and increase agent versus property good, price 便宜, use amount less. lubricant in polymer processing in non important function. in pvc hot shrinkage film production in also add amount lubricant, decrease/reduce has 害 摩 scratch and interface bonding. according to lubricant function mechanism. adjustment inner outer lubricant amount, reduce cost. hard acid and oxidized polyethylene wax separation upper belt/tape has and 羟基 极 property 基团, can obvious improvement PVC versus property, tool has inner outer lubricated function. increase agent is polyvinyl chloride (PVC) hot shrinkage material processing in important additives 之一. can reduce polymer separation function force, increase polymer can property, improve/increase PVC molding property. in PVC hot shrinkage film production in, formulation in add amount oxidized polyethylene wax can improvement processing properties, make PVC pellets more easy and melt, improve/increase material speed degree and melt quality, tool has relatively high melt strong/high degree.
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