申请人:SABIC GLOBAL TECHNOLOGIES B.V.
公开号:US10696827B2
公开(公告)日:2020-06-30
The invention is directed to a composition comprising 90.00 to 99.95 wt % of a polyolefin and 0.05 to 10.00 weight % of an antimicrobial additive based on the total weight of the polyolefin composition wherein the antimicrobial additive comprises a phenolic group and wherein a carrier for the antimicrobial additive is present. The antimicrobial additive may be dispersed through the polyolefin composition. Preferred antimicrobial additives include for example eugenol, isoeugenol, thymol, carvacrol, sesamol, curcumin, p-hydroxybenzoic acid, gallic acid and its ester derivatives (propyl gallate, octyl gallate and dodecyl gallate), ferulic acid, syringic acid, coumaric acid, protocatechuic acid, caffeic acid and/or tannic acid.
本发明涉及一种组合物,该组合物包含 90.00 至 99.95 重量%的聚烯烃和 0.05 至 10.00 重量%的抗菌添加剂(基于聚烯烃组合物的总重量),其中抗菌添加剂包含
酚基,并且存在抗菌添加剂的载体。抗菌添加剂可分散在聚烯烃组合物中。首选的抗菌添加剂包括
丁香酚、
异丁香酚、
百里酚、
香芹酚、
芝麻酚、
姜黄素、
对羟基苯甲酸、
没食子酸及其酯衍
生物(
没食子酸丙酯、
没食子酸辛酯和
没食子酸十二酯)、
阿魏酸、
丁香酸、
香豆素、
原儿茶酸、
咖啡酸和/或
单宁酸。