1993
DOI: 10.1021/ma00071a047
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Complex formation between polyisobutylene and cyclodextrins: inversion of chain-length selectivity between .beta.-cyclodextrin and .gamma.-cyclodextrin

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Cited by 122 publications
(55 citation statements)
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“…All solids obtained here dissolved in DMSO or in an excessive amount of water, indicating formation of hydrogen bonds as commonly seen in an inclusion complex of native cyclodextrins. [1][2][3][4]26,27 As previously reported, the results of mixing PEG bis(2-aminoethyl) ether, which has no bulkiness at the ends, with a-CD 1,2 and b-CD 3,4 are also listed in Table 1 (Table 2). If each of the two permethylated b-CD molecules in 4 is discretely assembled onto a chain, and the supramolecularly crosslinked complexes are stable, this will lead to an increase in viscosity.…”
Section: Inclusion Complexation Of Dumbbell-shaped 1 With B-cdmentioning
confidence: 98%
“…All solids obtained here dissolved in DMSO or in an excessive amount of water, indicating formation of hydrogen bonds as commonly seen in an inclusion complex of native cyclodextrins. [1][2][3][4]26,27 As previously reported, the results of mixing PEG bis(2-aminoethyl) ether, which has no bulkiness at the ends, with a-CD 1,2 and b-CD 3,4 are also listed in Table 1 (Table 2). If each of the two permethylated b-CD molecules in 4 is discretely assembled onto a chain, and the supramolecularly crosslinked complexes are stable, this will lead to an increase in viscosity.…”
Section: Inclusion Complexation Of Dumbbell-shaped 1 With B-cdmentioning
confidence: 98%
“…Recently, one Japanese research group, Harada et al [87,[96][97][98][99][100][101][102], reported that a-CD can form ICs with poly(ethylene glycol) (PEG) (monomer:CD = 2:1) of various molecular weights to give stoichiometric compounds in a crystalline state. When aqueous solutions of PEG were added to a saturated aqueous solution of a-CD at room temperature, the solution became turbid, and the complexes were obtained as precipitates when the average molecular weight of PEG was between 400 and 10,000.…”
Section: Polymer Inclusion Complexationmentioning
confidence: 99%
“…Solid crystalline polymer-CD ICs have also been widely studied during the past decade. [5][6][7][8] In these ICs, the guest polymer chains occupy narrow cylindrical channels (diameter ) D ∼ 5-10 Å) created by the crystalline CD host lattice. As a consequence, the included polymer chains are constrained to assume highly extended conformations and are generally segregated from neighboring included polymer chains by the channel walls of the host crystalline CD lattice.…”
Section: Introductionmentioning
confidence: 99%