Surface oxidation of poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) via photo-activated chlorine dioxide radical

被引：5

作者：

Jia, Yankun ^{[1
]}

Wu, Weiting ^{[1
]}

Asahara, Haruyasu ^{[2
]}

Hsu, Yu-, I ^{[1
]}

Asoh, Taka-Aki ^{[1
]}

Tan, Hua Tiang ^{[3
]}

Sudesh, Kumar ^{[3
]}

Uyama, Hiroshi ^{[1
]}

机构：

[1] Osaka Univ, Dept Appl Chem, Grad Sch Engn, Yamadaoka 2-1, Suita, Osaka 5650871, Japan

[2] Osaka Univ, Grad Sch Pharmaceut Sci, Yamadaoka 1-6, Suita, Osaka 5650871, Japan

[3] Univ Sains Malaysia, Sch Biol Sci, Usm Penang 11800, Malaysia

来源：

POLYMER DEGRADATION AND STABILITY | 2021年 / 191卷

关键词：

PHBH; Surface modification; Photo-oxidation; Electroless metal plating; Dyeing; MECHANICAL-PROPERTIES; PLASMA; FILMS; POLYPROPYLENE;

D O I：

10.1016/j.polymdegradstab.2021.109661

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

As one of the polyhydroxyalkanoates (PHA), which are biodegradable and available in nature, poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBH) is a good alternative to deal with the environmental problems caused by traditional plastics. However, only some studies have investigated the surface modification of PHBH to expand its applications. In this study, surface modification of the PHBH film/fibrous membrane was achieved via oxidation using the light-activated chlorine dioxide radical (CIO2*) gas. After surface oxidation, the ratio of the oxygen-containing functional groups on the PHBH film surface increased and the improvement in surface hydrophilicity was confirmed. In addition, the effects of the ratio of 3-hydroxyhexanoate in PHBH and the oxidation time were investigated. Surface modification via oxidation improved the adhesion property of the metal layer plated on the PHBH film surface and the dyeability of the PHBH fibrous membranes using cationic dyes. Therefore, this clean and effective oxidation method is a potential surface modification methodology that can broaden the practical applicability of the PHBH materials. (C) 2021 Elsevier Ltd. All rights reserved.

引用

页数：7

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