美聯新材(300586.SZ):子公司取得發明專利證書、一種核殼結構的原位複合陶瓷隔膜及其製備方法和應用
格隆匯7月13日丨美聯新材(300586.SZ)公佈,公司控股子公司安徽美芯新材料有限公司(“安徽美芯”)於近日取得了國家知識產權局頒發的發明專利證書,為一種核殼結構的原位複合陶瓷隔膜及其製備方法和應用。
本發明專利為公司自主研發,主要目的在於解決鋰離子電池重要組件之一聚烯烴類微孔隔膜的破膜温度較低及耐穿刺性能較差的難題。本發明專利通過對納米陶瓷顆粒進行表面改性結合原位聚合形成核-殼結構陶瓷顆粒,並將其作為填充物形成均相分散體系後融入熔融態聚烯烴樹脂中製備出複合陶瓷隔膜。該複合陶瓷隔膜因具有核-殼結構顆粒的有機殼層與玻璃態聚烯烴樹脂相結合的特性,使得納米陶瓷顆粒能夠較好地分佈在聚烯烴隔膜孔壁中,克服了納米陶瓷顆粒易脱落的弊端,增強了隔膜整體機械強度和熱閉孔性能,進一步提高了電池的安全性。該技術具有較好的創新性,即將在安徽美芯生產經營中獲得應用。
上述專利的取得將對公司產生一定的積極影響,有利於公司進一步完善知識產權保護體系,發揮自主知識產權優勢,並形成持續創新機制,保持技術領先地位,提升公司的核心競爭力。
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