材料
Online ISSN : 1880-7488
Print ISSN : 0514-5163
ISSN-L : 0514-5163
抗菌活性ポリマー/高密度ポリエチレンブレンド繊維のモルホロジーと抗菌活性
山根 秀樹井上 彩高橋 雅興平賀 和三小田 耕平
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1999 年 48 巻 10 号 p. 1160-1165

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Poly [trioctyl (4-vinylbenzyl) phosphoniumchloride] (P-8CMS) is an amorphous polycation which has a superior antibacterial activity. However P-8CMS easily absorbs moisture due to the cationic character, resulting in the reduction of Tg to temperatures lower than room temperature. Because of this reduction of Tg, P-8CMS shows poor mechanical properties at room temperature. To solve this problem, fibers of P-8CMS/high density polyethylene (HDPE) blends were prepared. Morphology of the blend fibers was strongly related to the viscosity ratio of HDPE to P-8CMS, compatibility between HDPE and P-8CMS, and the spinning condition. When HDPE has a melt viscosity higher than that of P-8CMS, P-8CMS component covers the surface of the fiber, while P-8CMS is dispersed in HDPE matrix when HDPE has a lower viscosity. P-8CMS tended to disperse finely in Maleic anhydride-grafted-HDPE. These morphologies reflected the antibacterial activity of the blend fibers.

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