Lamellar orientation evolution of poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) thin film with 3-hydroxyhexanoate comonomer content difference

被引：3
|
作者：
Chen, Yujing [1 ]
Yang, Chunming [2 ]
Kong, Zhenxing [1 ]
Ou, Juhua [1 ]
Yang, Rui [1 ]
Dai, Zilin [1 ]
Noda, Isao [3 ,4 ]
Jung, Young Mee [5 ]
机构：
[1] Guangdong Acad Sci, Inst Rare Met, Guangzhou 510651, Peoples R China
[2] Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai Synchrotron Radiat Facil, Shanghai, Peoples R China
[3] Univ Delaware, Dept Mat Sci & Engn, Newark, DE USA
[4] Danimer Sci, Bainbridge, GA USA
[5] Kangwon Natl Univ, Inst Mol Sci & Fus Technol, Dept Chem, Chunchon 24341, South Korea
来源：
INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION | 2021年 / 26卷 / 01期
关键词：
Spatial confinement; scanning probe microscope (SPM); synchrotron radiation x-ray scattering; thin film; poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBHx); THERMAL-BEHAVIOR; ULTRATHIN FILMS; CRYSTALLIZATION; POLYMER; POLY(3-HYDROXYBUTYRATE); MORPHOLOGY;
D O I：
10.1080/1023666X.2020.1836908
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The influence of 3-hydroxyhexanoate (HHx) comonomer molar fraction on the morphology and lamellar packing of poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBHx) thin film under spatial confinement were carefully investigated by scanning probe microscope (SPM) and synchrotron radiation grazing-incidence wide-angle X-ray scattering (GIWAXS) measurements. It was found that the HHx comonomer content plays an important role on the crystalline structure of PHBHx thin film on Si substrate. The morphology evolution of PHBHx thin film with increasing HHx content was evident. The crystalline lamellae are packed more loosely with the increase of HHx molar fraction, while the lamellar thickness is decreased.
引用
收藏
页码：17 / 23
页数：7
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