Zobrazeno 1 - 10
of 114
pro vyhledávání: '"B.I. Liogon'kii"'
Publikováno v:
Journal of Polymer Science Part C: Polymer Symposia. 22:443-449
Polymeric indigo (PI), a representative of a new class of “vat polymers,” was prepared by oxidative polycondensation of diindoxyldicarb-oxylic acid and a tetraacetic derivative of diindoxyl. Polyindigo can be transformed to soluble leuco forms, i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8e89275075f24016502916a1ecb11f3
https://doi.org/10.1002/polc.5070220136
https://doi.org/10.1002/polc.5070220136
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.. 16:2199-2205
Low molecular weight products of the condensation of dianhydride of perylene tetracarboxylic acid (DAPTA) with tetra-aminodiphenyl ester (TADPE) and high molecular weight soluble polyaminoamido acids containing alternating naphthalene and perylene un
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bbea30ecf6d87b1e1c72de36231cbbfa
https://doi.org/10.1016/0032-3950(74)90295-0
https://doi.org/10.1016/0032-3950(74)90295-0
Publikováno v:
Journal of Macromolecular Science: Part A - Chemistry. 11:1-28
A synthesis procedure has been developed for dianhydrides of the aromatic tetracarboxylic acids which are the starting compounds for producing poly(aroylene-bisbenzimidazoles) (PAB) and polyimides (PI). The procedure involves Diels-Alder reaction bet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c98620d5fa0ea468109b60246398df31
https://doi.org/10.1080/00222337708061248
https://doi.org/10.1080/00222337708061248
Publikováno v:
Polymer Science U.S.S.R.. 16:2650-2658
The thermo-oxidative degradations (TOD) of polyaroylene-bis-benzimidazoles, synthesized from naphthalene-1,4,5,8- or perylene-3,4,9,10-tetracarboxylic acids and diaminobenzidine or tetraaminodiphenyl ether, of their copolymers, and of some low mol.wt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d181d5ddf36f29af5349c3a9b63a325
https://doi.org/10.1016/0032-3950(74)90459-6
https://doi.org/10.1016/0032-3950(74)90459-6
Publikováno v:
Polymer Science U.S.S.R.. 18:1057-1068
A new general method was developed for the synthesis of tetracarboxylic acid dianhydrides. The method involves the Diels-Alders reaction between maleic anhydride and bis-furan compounds and subsequent aromatization of the adducts formed. Using the di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b0f0f2ddabe2b0cac8cc65f6fcbd7b0
https://doi.org/10.1016/0032-3950(76)90161-1
https://doi.org/10.1016/0032-3950(76)90161-1
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