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钢管涂料用聚乙烯共聚胶粘剂-庐山L-5R系列共聚树脂是一种颗粒状或粉末状的马来酸酐接枝聚乙烯。它是由庐山公司自主开发的专利技术,在国内外管道工程的广泛应用中取得了优异的性能。该胶粘剂的作用是将环氧树脂层与面漆粘结在一起,主要用于石油天然气管道和高压水管道防腐涂层系统钢管三层聚乙烯系统(3LPE)中的粘结层。芦山L-5R系列共聚物胶粘剂具有粘接强度高、长期稳定性好、相容性广、易加工等特点,设计的芦山L-5R系列共聚物胶粘剂在适当的工业工艺条件下,符合下列国家和国际标准的要求。采用连续质量控制体系,并与共聚物胶粘剂树脂芦山L-5R和聚乙烯复合面漆EJ-1和相容的粉末环氧树脂结合使用。NFA 49710 CAN/CSA-Z245.21 DIN 30670S草案ISO 21809-1 Polyethylene Copolymer Adhesive for Steel Pipe Coating Copolymer adhesive resin Lushan L-5R series is maleic anhydride grafted polyethylene which could be in granule or powder form. It was developed by Lushan with independent patent technologies and proved with excellent performance in the widely applications of pipeline projects both in China and international market. The purpose of the adhesive is to bond the epoxy layer to the top coat.Copolymer adhesive resin Lushan L-5R series is mainly used as adhesive layer in 3 layers polyethylene system(3LPE) for steel pipe against corrosion coating system in oil and gas pipeline and high pressure water pipeline. Copolymer adhesive resin Lushan L-5R series has good properties such as high bonding strength, long-term stability, wide compatibility, easy processing, etc. Copolymer adhesive resin Lushan L-5R series is designed to meet with requirements of the following National and International standards, under the condition that appropriate industrial processing method are applied under a continuous quality control system and when used in combination with copolymer adhesive resin Lushan L-5R& polyethylene compound top coats EJ-1 and a compatible powder epoxy. NFA 49710 CAN/CSA-Z245.21 DIN 30670S Draft ISO 21809-1 |
技术参数 Technical Data | |||
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物理性能 PHYSICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
密度 Density |
0.938 | g/cm³ | ASTM D792 |
熔体质量流动速率 Melt Flow Rate |
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190℃,2.16kg 190℃,2.16kg |
3.8 | g/10min | ASTM D1238 |
机械性能 MECHANICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
拉伸强度 tensile strength |
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屈服 yield |
26.0 | MPa | ASTM D638 |
拉伸应变 Tensile strain |
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断裂 fracture |
960 | % | ASTM D638 |
薄膜 film |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
剥离强度 peel strength |
ISO 21809-1 | ||
20℃ 20℃ |
> 18.0 | kN/m | ISO 21809-1 |
50℃ 50℃ |
kN/m | ISO 21809-1 | |
60℃ 60℃ |
kN/m | ISO 21809-1 | |
80℃ 80℃ |
kN/m | ISO 21809-1 | |
热性能 THERMAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
脆化温度 Embrittlement temperature |
℃ | ASTM D746 | |
维卡软化温度 Vicat Softening Temp |
℃ | ASTM D1525 | |
熔融峰值温度 Melting peak temperature |
℃ | ASTM D2117 | |
补充信息 Supplementary information |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
工作温度 working temperature |
℃ |
备注 | |||
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