Zobrazeno 1 - 10
of 61
pro vyhledávání: '"A.V. Ragimov"'
Publikováno v:
Polymer. 31:1968-1970
A study was performed to find and then to optimize the conditions under which alkaline solutions of H2O2 convert 8-oxyquinoline into an oligomeric oxide. According to infra-red and ultra-violet spectroscopy and gel permeation chromatography data, the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6103bfa7ff2ba2bcb3511e7bfafb5e4c
https://doi.org/10.1016/0032-3861(90)90025-t
https://doi.org/10.1016/0032-3861(90)90025-t
Publikováno v:
Polymer Science U.S.S.R.. 25:129-136
The MWD and composition of oligomers from alkylation of toluene with epichlorohydrin in the presence of boron trifluoride etherate have been investigated. With the aid of two-detector gel chromatographic analysis it was found that along with epichlor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9556360a711e3965164a568dc627b8a
https://doi.org/10.1016/0032-3950(83)90386-6
https://doi.org/10.1016/0032-3950(83)90386-6
Publikováno v:
Polymer Science U.S.S.R.. 29:2136-2142
The radical and cationic copolymerization of p-benzoquinone with phenyl acetylene are studied in bulk and in various solvents. The structures of the co-oligomers obtained (M = 750–1550) are determined by physicochemical methods. The weight loss of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2eeacfbe90ce5ea172708142c1e9a5e0
https://doi.org/10.1016/0032-3950(87)90025-6
https://doi.org/10.1016/0032-3950(87)90025-6
Publikováno v:
Polymer Science U.S.S.R.. 24:2434-2440
The oligomerization of hydroquinone (HQ) under oxidation with oxygen has been investigated in aqueous alkali. The high reactivity of HQ compared with phenol has been noted. A mechanism of radical recombination accompanied by proton migration is propo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c124a5fe77e0fb04281909e340617a35
https://doi.org/10.1016/0032-3950(82)90116-2
https://doi.org/10.1016/0032-3950(82)90116-2
Publikováno v:
Polymer Science U.S.S.R.. 27:318-325
The reaction between oligonaphthols and epichlorhydrin in the presence of (C 2 H 5 ) 3 N·C 4 H 9 OH has been used to synthesize the propylchlorhydrin ether of oligonaphthols. The maximum conversion of the naphthol's hydroxylic groups does not exceed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b680b2519e835264e8b3f2273ff7ec2
https://doi.org/10.1016/0032-3950(85)90010-3
https://doi.org/10.1016/0032-3950(85)90010-3
Publikováno v:
Polymer Science U.S.S.R.. 30:171-177
The copolymerization of p-benzoquinone with sulphur dioxide in various donor solvents was studied. The determining role of the donors, particularly of water, in the studied process was shown. The molecular mass distribution of the copolymers prepared
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4383641ae5babf224bd5b3bf51d27981
https://doi.org/10.1016/0032-3950(88)90271-7
https://doi.org/10.1016/0032-3950(88)90271-7
Publikováno v:
Polymer Science U.S.S.R.. 16:1413-1419
The redox potentials (ROP), electron exchanging properties (relative rate and electron exchange capacity), heat and solvent resistances of the polyhydroxyquinones (PHQ)—the products of the alkaline polymerizations of p -, o -benzoquinones, methyl-,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::106dc14fb1ed43b7ba4e79067c8b14b6
https://doi.org/10.1016/0032-3950(74)90402-x
https://doi.org/10.1016/0032-3950(74)90402-x
Publikováno v:
Polymer. 30:1851-1855
Oxidative polycondensation of 8-oxyquinoline alcoholate by molecular oxygen has been accomplished at 323–371 K. Product compositions, structures and molecular weights were determined by elemental and chemical analyses, by gel permeation chromatogra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab6c349d91f566cdd70a02b72f3ec0c0
https://doi.org/10.1016/0032-3861(89)90357-1
https://doi.org/10.1016/0032-3861(89)90357-1
Publikováno v:
Journal of Polymer Science: Polymer Chemistry Edition. 18:713-717
The kinetics of copolymerization of styrene with p-benzoquinone in the presence of BF3OEt2 is investigated. The rate constants and activation energy of the copolymerization process are determined. The reaction orders for monomer and catalyst are esti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a30eb2afa52349342ea71899d0732596
https://doi.org/10.1002/pol.1980.170180230
https://doi.org/10.1002/pol.1980.170180230
Publikováno v:
Polymer Science U.S.S.R.. 28:1514-1518
The formation of donor-acceptor complexes between styrene and p -benzoquinone has been investigated. The complexing constant amounting to 0·11 1./mole has been determined. It has been established that the complex of p -benzoquinone and styrene exert
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37a8a5968eb1d8189315931c5e5c37f0
https://doi.org/10.1016/0032-3950(86)90319-9
https://doi.org/10.1016/0032-3950(86)90319-9