Kim, JS Lee, KH Jo, SM Ryu, DY Kim, JK 2024-01-21T06:08:16Z 2024-01-21T06:08:16Z 2021-09-05 2004-11 0379-153X https://pubs.kist.re.kr/handle/201004/137093 Microdomain structures and crystallization behavior of the binary blends consisting of an asymmetric block copolymer and a homopolymer were investigated using small-angle X-ray scattering (SAXS), optical microscope (OM) and differential scanning calorimetry (DSC). Poly(methyl methacrylate)-block-polystyrene block copolymer (PMMA-b-PS) (weight fraction of PMMA = 0.53) was mixed with low molecular weight poly(vinylidene fluoride) (PVDF). As the PVDF concentration was increased, the morphological change from a lamellar to a cylindrical structure occurred. The crystallization of PVDF significantly disturbed the orientation of the pre-existing microdomain structure, resulting in a poorly ordered morphology. In the blends, PVDF exhibited unique crystallization behavior due to the PMMA block which is preferentially miscible to PVDF and the space constraint imposed by the microdomains. Korean POLYMER SOC KOREA METHACRYLATE DIBLOCK COPOLYMER BLOCK-COPOLYMER COMPATIBLE MIXTURES ORDERED STRUCTURE PHASE-BEHAVIOR MORPHOLOGY HOMOPOLYMER KINETICS MICRODOMAIN TEMPERATURE Microphase separation and crystallization in binary blends consisting of poly(methyl methacrylate)-block-polystyrene copolymer and poly(vinylidene fluoride) Article 1 POLYMER-KOREA, v.28, no.6, pp.509 - 518 POLYMER-KOREA 28 6 509 518 scie scopus kci ART000943795 000225506500009 2-s2.0-24744442977 Polymer Science Polymer Science Article METHACRYLATE DIBLOCK COPOLYMER BLOCK-COPOLYMER COMPATIBLE MIXTURES ORDERED STRUCTURE PHASE-BEHAVIOR MORPHOLOGY HOMOPOLYMER KINETICS MICRODOMAIN TEMPERATURE block copolymer homopolymer blend microphase separation crystallization