Sub-10 nm Scale Nanostructures in Self-Organized Linear Di- and Triblock Copolymers and Miktoarm Star Copolymers Consisting of Maltoheptaose and Polystyrene

被引：54

作者：

Otsuka, Issei ^{[1
,2
]}

Zhang, Yao ^{[3
]}

Isono, Takuya ^{[4
]}

Rochas, Cyrille ^{[1
,2
]}

Kakuchi, Toyoji ^{[4
,5
]}

Satoh, Toshifumi ^{[4
]}

Borsali, Redouane ^{[1
,2
]}

机构：

[1] Univ Grenoble Alpes, CERMAV, F-38000 Grenoble, France

[2] CNRS, CERMAV, F-38000 Grenoble, France

[3] Hokkaido Univ, Grad Sch Chem Sci & Engn, Sapporo, Hokkaido 0608628, Japan

[4] Hokkaido Univ, Fac Engn, Div Biotechnol & Macromol Chem, Sapporo, Hokkaido 0608628, Japan

[5] Hokkaido Univ, Frontier Chem Ctr, Sapporo, Hokkaido 0608628, Japan

来源：

MACROMOLECULES | 2015年 / 48卷 / 05期

关键词：

CONTAINING BLOCK-COPOLYMERS; RAFT POLYMERIZATION; ORIENTATION; ARCHITECTURE; POLYMERS; LAMELLAR; CARAMELIZATION; BEHAVIOR;

D O I：

10.1021/ma502295y

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 present paper describes the sub-10 nm scale self-assembly of AB-type diblock, ABA-type triblock, and A(2)B-type miktoarm star copolymers consisting of maltoheptaose (MH: A block) and polystyrene (PS: B block). These block copolymers (BCPs) were synthesized through coupling of end-functionalized MH and PS moieties. Small-angle X-ray scattering and atomic force microscope investigations indicated self-organized cylindrical and lamellar structures in the BCP bulks and thin films with domain spacing (d) ranging from 7.65 to 10.6 nm depending on the volume fraction of MH block (phi(MH)), Flory-Huggins interaction parameter (chi), and degree of polymerization (N). The BCP architecture also governed the morphology of the BCPs, e.g. the AB-type diblock copolymer (phi(MH) = 0.42), the ABA-type triblock copolymer (phi(MH) = 0.40), and the A2B-type miktoarm star copolymer (phi(MH) = 0.45) self-organized into cylinder (d = 7.65 nm), lamellar (d = 8.41 nm), and lamellar (d = 9.21 nm) structures, respectively.

引用

页码：1509 / 1517

页数：9

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