Solubilization of poly(ethylene oxide) into a rod-coil polymer of ethyl 4-[4'-oxy-4-biphenylcarbonyloxy]-4'-biphenyl-carboxylate-block-poly(ethylene oxide)
SCIE
SCOPUS
- Title
- Solubilization of poly(ethylene oxide) into a rod-coil polymer of ethyl 4-[4'-oxy-4-biphenylcarbonyloxy]-4'-biphenyl-carboxylate-block-poly(ethylene oxide)
- Authors
- Ji, SH; Zin, WC; Oh, NK; Lee, M
- Date Issued
- 1997-08
- Publisher
- ELSEVIER SCI LTD
- Abstract
- Solubilization behaviour of poly(ethylene oxide)s (PEOs) (MW = 200-1000) into a rod-coil polymer of ethyl 4-[4'-oxy-4-biphenylcarbonyloxy]-4'-biphenylcarboxylate with poly(ethylene oxide) at a degree of polymerization of 12 (BCEO-12) was studied by using small angle X-ray scattering (SAXS). PEOs were partially miscible with the PEO block of the rod-coil copolymer whether the rod-block of BCEO-12 was crystalline or liquid-crystalline. The amount of PEO which could be solubilized into a domain of coil block decreased on increasing the molecular weight of the added PEG. The solubility limit of PEO increased remarkably when the rod block of BCEO-12 was molten to form a smectic-A phase. This indicated that the solubility limit also increased on reducing the grafting density of coil block. (C) 1997 Elsevier Science Ltd.
- Keywords
- solubilization; rod-coil polymer; small angle X-ray; COPOLYMERS; SEPARATION
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/29221
- DOI
- 10.1016/s0032-3861(96)01020-8
- ISSN
- 0032-3861
- Article Type
- Article
- Citation
- POLYMER, vol. 38, no. 17, page. 4377 - 4380, 1997-08
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- There are no files associated with this item.
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