摘要
对尼龙 11及其共混合金体系的结晶性能进行了系统的研究。实验结果显示 ,核 -壳冲击改性剂具有成核剂的作用 ,有助于共混体系结晶度的提高。环氧树脂用量为 1%时 ,尼龙 11共混合金体系的结晶度最大 ,此后随着环氧树脂的加入 ,尼龙 11结晶度随之降低。 DSC谱图显示 ,尼龙 11在 95℃时发生晶相固 -固转变现象 ,而加入核 -壳冲击改性剂及环氧树脂后晶相转变消失 ,表明了尼龙 11合金不存在多晶型晶态。当加入的环氧树脂过量后 ,由于发生交联反应 ,出现多峰现象。尼龙 11合金的熔点随着相容剂的加入而降低 。
In this paper, systematic study was carried out on the crystal properties of nylon 11 and its ternary blend alloy. The results show that, core shell impact modifier can act as nucleation agent, which can increase the crystallinity of nylon 11 blend alloy. The crystallinity reach its peak when the content of epoxy is 1% , with the increase of epoxy resin content, the crystallinity of nylon 11 alloy decreases. DSC result shows that, crystalline phase solid solid transition for nylon 11 is emerged at 95 ℃. This phenomena disappeares on addition of epoxy resin and core shell impact modifier, and it means that there is no multi crystal form on nylon 11 blend alloy, with addition of excessive epoxy resin, multi peaks appeare on curve because of cross linking reaction. Melting point of nylon 11 blend alloy decreases as function of compatibilizer, and make clear that crystalline integrity of nylon 11 increases.
出处
《高分子材料科学与工程》
EI
CAS
CSCD
北大核心
2001年第3期135-138,共4页
Polymer Materials Science & Engineering
基金
国家自然科学基金
国家九五攻关项目资助 !(5 944 30 11
95 - 5 32 - 0 1- 0 6
