Morphology and crystalline structure of inclusion compounds formed between poly(ethylene glycol) and urea

被引：8
|
作者：
Lin, Da-wei [1 ]
Zhong, Zhi [1 ]
Tang, Yi-ren [1 ]
Gao, Yang [1 ]
He, Ya-ning [1 ]
Guo, Bao-hua [1 ]
Xu, Jun [1 ]
机构：
[1] Tsinghua Univ, Dept Chem Engn, Inst Polymer Sci & Engn, Beijing 100084, Peoples R China
来源：
CHINESE JOURNAL OF POLYMER SCIENCE | 2014年 / 32卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Poly(ethylene glycol); Urea; Inclusion compounds; Morphology; Orientation; AZO-COUPLING REACTION; MOLECULAR-COMPLEXES; OXIDE)-UREA COMPLEXES; ELECTROSPUN FIBERS; BLOCK-COPOLYMERS; CONFORMATION; POLYETHERS; BEHAVIOR; OLIGOMER;
D O I：
10.1007/s10118-014-1496-8
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 poly(ethylene glycol) (PEG, with M (w) 2000)-urea inclusion compound (IC) crystallized at high temperature region showed two typical orientations, flat-on and edge-on crystals. 2D-XRD and polarized FTIR spectroscopy revealed that the PEG chains within urea channels were perpendicular to the substrate in flat-on oriented crystals, while PEG chain axes were parallel to the substrate and lay along the growth direction in the edge-on crystals. FTIR absorption bands of PEG in the ICs are sensitive to orientation of the crystals. A scheme of PEG chain packing in the urea IC channel was proposed, which could explain the orientation of the crystal nucleus causing the two types of morphologies. Furthermore, functioning of PEG2000 chain end with analine had significantly influence on the morphology and orientation of the inclusion compound crystals, due to the defects caused by large terminal groups included in the urea channel.
引用
收藏
页码：1234 / 1242
页数：9
相关论文
共 50 条
  • [1] Morphology and Crystalline Structure of Inclusion Compounds Formed between Poly(ethylene glycol) and Urea
    Da-wei Lin
    Zhi Zhong
    Yi-ren Tang
    Yang Gao
    Ya-ning He
    Bao-hua Guo
    徐军
    Chinese Journal of Polymer Science, 2014, 32 (09) : 1234 - 1242
  • [2] Morphology and crystalline structure of inclusion compounds formed between poly(ethylene glycol) and urea
    Da-wei Lin
    Zhi Zhong
    Yi-ren Tang
    Yang Gao
    Ya-ning He
    Bao-hua Guo
    Jun Xu
    Chinese Journal of Polymer Science, 2014, 32 : 1234 - 1242
  • [3] Structure, conformation, and motions of poly(ethylene oxide) and poly(ethylene glycol) in their urea inclusion compounds
    Vasanthan, N
    Shin, ID
    Tonelli, AE
    MACROMOLECULES, 1996, 29 (01) : 263 - 267
  • [4] Inclusion complex formed between star-poly(ethylene glycol) and cyclodextrins
    Sabadini, E
    Cosgrove, T
    LANGMUIR, 2003, 19 (23) : 9680 - 9683
  • [5] Structure and morphology of electrospun poly(ethylene oxide)-urea inclusion complex fibers
    Yu, Xiang
    Chi, Changlong
    Wang, Yanwei
    Sun, Zhuangzhi
    Xia, Weiwei
    Wang, Shuo
    Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering, 2015, 31 (08): : 84 - 91
  • [6] Inclusion compounds of cholamide with poly(ethylene glycol)s
    Sada, K
    Miyata, M
    KOBUNSHI RONBUNSHU, 1997, 54 (10) : 754 - 755
  • [7] Inclusion behavior between cyclodextrin and poly(ethylene glycol)
    Huang, Kai
    Li, Li
    Guo, Xuhong
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 2016, 251
  • [8] CRYSTALLINE COMPOUNDS OF POLY(ETHYLENE OXIDES) AND POLYESTERS WITH UREA AND THIOUREA
    KOHLER, A
    HILD, G
    MAYER, R
    ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 1965, 4 (06) : 533 - &
  • [9] More on Polypseudorotaxanes Formed between Poly(ethylene glycol) and α-Cyclodextrin
    Sabadini, Edvaldo
    Egidio, Fernanda do Carmo
    Cosgrove, Terence
    LANGMUIR, 2013, 29 (15) : 4664 - 4669
  • [10] Study of the inclusion compounds formed between α-cyclodextrin and high molecular weight poly(ethylene oxide) and poly(ε-caprolactone)
    Huang, L
    Allen, E
    Tonelli, AE
    POLYMER, 1998, 39 (20) : 4857 - 4865
12345