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true

NUCREL™

酸共聚物

增强金属粘合效果

NUCREL™树脂可广泛用于包装、工业、消费品等应用领域。这些树脂是乙烯、甲基丙烯酸或丙烯酸的支化共聚物。酸侧支链为这些高极性树脂赋予独特功能,长链分支使它们易于吹膜,流延膜和多层共挤膜以及复合膜的生产。

在掌握挤出工艺的加工商眼中,NUCREL™是一种经济高效的箔粘合剂。它可以实现高速挤出涂层和复合,减少包装故障,进而减少浪费。与化学底涂剂和粘合剂不同,NUCREL™树脂在粘附时,不会像使用复合用粘合剂一样需等待干燥。

NUCREL™的包装应用

NUCREL™金属粘附性极佳,低温密封隔绝污染,非常适合包装调味品、果汁、无菌乳等产品,以及药物和个人护理产品。

NUCREL™乙烯酸共聚物树脂的金属结合效果出色,结合点耐化学物质腐蚀,从而成为了稳妥可靠、经济高效的铝箔粘合剂,适合各类应用。NUCREL™与铝氧化层结合,结合牢固,可抵御轻中度酸碱侵蚀。

除箔片外,NUCREL™可在挤出涂层中粘合纸张,在共挤工艺中粘合尼龙,还可以在略低于聚乙烯(PE)的加工温度下,挤出或注塑成型。NUCREL™也是一款优良的热密封剂,热粘强度高,密封隔绝污染,可在高速包装条件下实现可靠的热密封效果。

其他性能特点包括韧性、轻量化和耐腐蚀性化学环境(如乙酸)。

NUCREL™的工业与消费品应用

NUCREL™酸共聚物树脂用于建筑板金属面层、水路管道、电缆防护及其他工业应用。NUCREL树脂供货牌号多,酸度和熔融指数各不相同。

NUCREL™特种牌号

适合LDPE挤出涂层的NUCREL™ AE充当了包装粘合剂和密封剂,通过聚乙烯(PE)包装结构改性,改善铝箔粘附性。

NUCREL™ AE是乙烯、甲基丙烯酸和丙烯酸酯的三聚物。它可用于传统挤出涂布和共挤涂布,以及用于聚乙烯树脂加工的挤出复合设备。在LDPE挤出工艺中,NUCREL™AE充当PE改性剂,在混合物中占比约20%-40%,意在增强铝箔片附着力。加工条件适宜时,它可以改善铝箔粘附性,提升热粘强度。粘性提升程度取决于加工条件以及NUCREL™ AE的添加量。

NUCREL™ HS(高稳定性/高速)牌号适用于挤出涂层,凭借更好的热稳定性,实现高速加工,可用于薄涂层,通过减少交联问题,支持工艺改进和性能提升。

NUCREL™ HC(高透明度)牌号薄膜低雾度,高光泽,适合透明包装应用。