用于聚酯环氧混合型粉末涂料的聚酯树脂carboxylated
polyester resin for hybrid powders
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特点:用JYZ004制造的聚酯环氧混合型粉末涂料具有比较平衡的性能。JYZ004
is the saturation carboxyl polyester resin for polyester/epoxy
hybrid powder coating system that has general purpose.
外观appearance:浅黄色细颗粒或片状pale yellow flake
酸值acid number: 55±5mgKOH/g
粘度viscosity at 175℃: 3.5---6Pa·S
软化点softening point(环球法): 95----110℃
玻璃化温度glass transition(DSC): >50℃ |
参考配方starting formulation
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质量比part by weight |
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JYZ004
环氧树脂epoxy resin 663U
钛白粉titanium dioxide
硫酸钡barium sulphate
流平剂leveling agent(聚丙烯酸丁酯100% active principle)
安息香benzoin
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36
24
20
19
0.5
0.3 |
固化条件curing requirement:180℃15分钟minutes
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| 涂膜基本性能basic
properties of coating film(膜厚film thickness 60μm) |
冲击强度impact(正direct)
铅笔硬度pencil hardness
弯曲bending(ф2mm)
光泽gloss(60°) |
50Kg·cm
HB---1H
通过pass
>92% |