Shanghai Daoqin Plastics Co., Ltd.

plastics color products multiple factors effect/influence 会发生褪 color. plastics color products color and material, material lightfast property, resistant oxygen property, heat resistant property, resistant acid alkali property and use resin features has 关. according to plastics products processing conditions and use requirements, in production material for material, material, surface active property agent, dispersant, resin and anti aging additives upper property can comprehensive rear can selection. 1. lightfast property color agent lightfast property effect/influence products color, strong/high light 照射 室 outer products, use color agent lightfast (resistant 晒) and other grade requirements is important indicators, lightfast and other grade 差, products in use in very fast color. weather resistant products selection lightfast and other grade low grade, most good selection 七, grade, inner products can 选四, grade. resin lightfast property can for color 变化也 has relatively large effect/influence, outer 线引发 resin rear its separation structure 发生变化出现褪 color. in material in add outer absorption agent and other light stabilizer, can improve/increase color agent and color plastics products lightfast property can. 2． heat resistant property material heat stabilized property is in processing temperature degree lower material hot heavy, color, color degree. machine material formed is metal oxidation material, salt type, heat stabilized property good, resistant thermal properties high. has machine combined material material in temperature degree lower 会发生 separation structure and a small amount of separation understanding. especially is PP, PA, PET products, processing temperature degree in 280℃ above, in color agent 时一方面 need heavy material heat resistant degree, 一方面 need 考虑颜 material heat resistant time, usually requirements heat resistant time is 4—10rain⋯. 3. resistant oxidation property certain has machine material in oxidation rear large separation degradation or other 变化而逐渐褪 color, process is processing in high temperature oxidation, is strong/high oxidation agent (如铬黄 in acid 根)发生 oxidation. color 淀, nitrogen material and mixed combined use rear, color 会逐渐 decrease 退. 4. resistant acid alkali property color plastics products color and color agent chemical resistant product property (resistant acid alkali property, resistant oxidation also property) has 关. 如钼铬红 resistant dilute acid, for alkali 敏感, 镉黄不 resistant acid, this types material and aldehyde resin for certain color agent strong/high also function, heavy effect/influence color agent heat resistant property, weather resistance 并发生褪 color. --– 转自 China plastics packaging 网