Results 281 to 290 of about 487,838 (354)
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British Polymer Journal, 1988
AbstractUpper critical solution temperature (u.c.s.t.) phase behaviour was found in blends of the homopolymer poly(oxy‐1,4‐phenyleneoxy‐1,4‐phenylenesulphonyl‐1,4‐phenylene) (PEES) with the copolymer poly(oxy‐l,4‐phenyleneoxy‐l,4‐phenylenecarbonyl‐l,4‐phenylene‐co‐oxy‐l,4‐phenyleneoxy‐1,4‐phenylenesul‐phonyl‐1,4‐phenylene) (COPEEKS) for copolymer ...
C. K. Sham +4 more
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AbstractUpper critical solution temperature (u.c.s.t.) phase behaviour was found in blends of the homopolymer poly(oxy‐1,4‐phenyleneoxy‐1,4‐phenylenesulphonyl‐1,4‐phenylene) (PEES) with the copolymer poly(oxy‐l,4‐phenyleneoxy‐l,4‐phenylenecarbonyl‐l,4‐phenylene‐co‐oxy‐l,4‐phenyleneoxy‐1,4‐phenylenesul‐phonyl‐1,4‐phenylene) (COPEEKS) for copolymer ...
C. K. Sham +4 more
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Effect of dihydroxydiphenyl ether on poly(ether ether ketone)
Journal of Polymer Research, 1996A series of modified poly(ether ether ketone) (PEEK) polymers were synthesized by introduction of addition ether groups from dihydroxydiphenyl ether (DHDE) into the PEEK structure. The inherent viscosity of the DHDE-modified PEEK increased with reaction time at 320 °C.
K. H. Hsieh +5 more
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Thermoreversible Gelation of Poly(ether ether ketone)
ACS Macro Letters, 2017Solutions of poly(ether ether ketone) in dichloroacetic acid have been shown to form monolithic, thermoreversible gels at temperatures ranging from 10 to 140 °C. A phase diagram was constructed over broad concentration and temperature ranges, and the phase boundary suggests an upper critical solution temperature (UCST) behavior. Furthermore, poly(ether
Samantha J. Talley +2 more
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Anomalous diffusion in poly-ether-ether-ketone
Chemical Engineering Science, 1994Poly-ether-ether-ketone (PEEK) is a thermoplastic tough polymer used as a matrix for advanced composite materials in aeronautic applications. The investigation of its resistance to humid environment and to exposure to organic and chlorinated solvents is extremely important.
M. A. Del Nobile +3 more
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International Journal of Theoretical Physics, 1998
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zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Surface Tension of Diethyl Ether, Diisopropyl Ether, and Dibutyl Ether
Journal of Chemical & Engineering Data, 2009The surface tension of diethyl ether, diisopropyl ether, and dibutyl ether were measured with a differential capillary rise method over the temperature range from (258 to 373) K, (248 to 373) K, and (263 to 373) K, respectively. The uncertainties of measurements for the temperature and surface tension were estimated to be within ± 10 mK and ± 0.2 mN·m ...
Shengshan Bi, Guanjia Zhao, Jiangtao Wu
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THE ACTION OF CERTAIN ESTERS AND ETHERS OF CHOLINE, AND THEIR RELATION TO MUSCARINE
Journal of Pharmacology and Experimental Therapeutics, 1914The investigation with which this paper deals started with the observation, that certain specimens of ergot and its extracts exhibited a type of action which was clearly not referabie to any of the active principles hitherto described.
H. Dale
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2009
Abstract Major Applications General-purpose molding and extrusion polymer for high-performance applications, especially as resin for carbon fiber composites. Examples include chemical resistant tubing and electrical insulation, automotive bearings, pump and valve construction for corrosive applications, and compressor valve plates ...
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Abstract Major Applications General-purpose molding and extrusion polymer for high-performance applications, especially as resin for carbon fiber composites. Examples include chemical resistant tubing and electrical insulation, automotive bearings, pump and valve construction for corrosive applications, and compressor valve plates ...
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Journal of the American Medical Association, 1947
It is a great honor to be asked to participate in this centennial celebration of the first public use of ether anesthesia under the auspices of this great medical school and the internationally famous Massachusetts General Hospital, an institution which, in addition to its pioneer use of ether, has to its credit the revelation of the true nature of ...
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It is a great honor to be asked to participate in this centennial celebration of the first public use of ether anesthesia under the auspices of this great medical school and the internationally famous Massachusetts General Hospital, an institution which, in addition to its pioneer use of ether, has to its credit the revelation of the true nature of ...
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1991
Abstract The award of the 1987 Nobel prize in chemistry to Charles J. Pedersen, Donald J. Cram, and Jean-Marie Lehn provided important recognition to the field called variously ‘macrocycle chemistry’, ‘host-guest chemistry’, ‘supramolecu lar chemistry’ or ‘molecular recognition’.
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Abstract The award of the 1987 Nobel prize in chemistry to Charles J. Pedersen, Donald J. Cram, and Jean-Marie Lehn provided important recognition to the field called variously ‘macrocycle chemistry’, ‘host-guest chemistry’, ‘supramolecu lar chemistry’ or ‘molecular recognition’.
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