Diblock copolymers of polystyrene‐ b ‐poly(1,3‐cyclohexadiene) exhibiting unique three‐phase microdomain morphologies | Zendy

Misichronis Konstantinos | Zendy; Chen Jihua | Zendy; Kahk Jong K. | Zendy; Imel Adam | Zendy; Dadmun Mark | Zendy; Hong Kunlun | Zendy; Hadjichristidis Nikos | Zendy; Mays Jimmy W. | Zendy; Avgeropoulos Apostolos | Zendy

AI Assistant Blog Pricing

Home ZAIA Blog

Open Access

Diblock copolymers of polystyrene‐ b ‐poly(1,3‐cyclohexadiene) exhibiting unique three‐phase microdomain morphologies

Author(s) -

Misichronis Konstantinos,

Chen Jihua,

Kahk Jong K.,

Imel Adam,

Dadmun Mark,

Hong Kunlun,

Hadjichristidis Nikos,

Mays Jimmy W.,

Avgeropoulos Apostolos

Publication year - 2016

Publication title -

journal of polymer science part b: polymer physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.65

H-Index - 145

eISSN - 1099-0488

pISSN - 0887-6266

DOI - 10.1002/polb.24050

Subject(s) - copolymer , polystyrene , materials science , polymer chemistry , phase (matter) , small angle x ray scattering , lipid microdomain , scattering , chemical engineering , polymer , chemistry , composite material , physics , membrane , optics , organic chemistry , engineering , biochemistry

The synthesis and molecular characterization of a series of conformationally asymmetric polystyrene‐ block ‐poly(1,3‐cyclohexadiene) (PS‐ b ‐PCHD) diblock copolymers (PCHD: ∼90% 1,4 and ∼10% 1,2), by sequential anionic copolymerization high vacuum techniques, is reported. A wide range of volume fractions (0.27 ≤ ϕ PS ≤ 0.91) was studied by transmission electron microscopy and small‐angle X‐ray scattering in order to explore in detail the microphase separation behavior of these flexible/semiflexible diblock copolymers. Unusual morphologies, consisting of PCHD core(PCHD‐1,4)–shell(PCHD‐1,2) cylinders in PS matrix and three‐phase (PS, PCHD‐1,4, PCHD‐1,2) four‐layer lamellae, were observed suggesting that the chain stiffness of the PCHD block and the strong dependence of the interaction parameter χ on the PCHD microstructures are important factors for the formation of this unusual microphase separation behavior in PS‐ b ‐PCHD diblock copolymers. © 2016 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2016 , 54 , 1564–1572

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research