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The dispersed composition of monomer emulsions and its effect on the mechanism of polymer-monomer particle formation☆ 单体乳液的分散组成及其对聚合物-单体颗粒形成机理的影响
Polymer Science U.s.s.r. Pub Date : 1991-01-01 DOI: 10.1016/0032-3950(91)90323-I
I. Gritskova, G. Simakova, D. Muradyan
{"title":"The dispersed composition of monomer emulsions and its effect on the mechanism of polymer-monomer particle formation☆","authors":"I. Gritskova, G. Simakova, D. Muradyan","doi":"10.1016/0032-3950(91)90323-I","DOIUrl":"https://doi.org/10.1016/0032-3950(91)90323-I","url":null,"abstract":"","PeriodicalId":20280,"journal":{"name":"Polymer Science U.s.s.r.","volume":"8 1","pages":"1375-1382"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88455778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Soluble polyimides based on 4,4′-diaminotriphenylamine. Synthesis, molecular mass characteristics and solution properties 基于4,4 ' -二氨基三苯胺的可溶性聚酰亚胺。合成、分子质量特性和溶液性质
Polymer Science U.s.s.r. Pub Date : 1991-01-01 DOI: 10.1016/0032-3950(91)90333-L
N. A. Vasilenko, Ye.I Akhmet'eva, Ye.B Sviridov, V. I. Berendyayev, Ye.D. Rogozhkina, O. F. Alkayeva, K. Koshelev, A. L. Izyumnikov, B. V. Kotov
{"title":"Soluble polyimides based on 4,4′-diaminotriphenylamine. Synthesis, molecular mass characteristics and solution properties","authors":"N. A. Vasilenko, Ye.I Akhmet'eva, Ye.B Sviridov, V. I. Berendyayev, Ye.D. Rogozhkina, O. F. Alkayeva, K. Koshelev, A. L. Izyumnikov, B. V. Kotov","doi":"10.1016/0032-3950(91)90333-L","DOIUrl":"https://doi.org/10.1016/0032-3950(91)90333-L","url":null,"abstract":"","PeriodicalId":20280,"journal":{"name":"Polymer Science U.s.s.r.","volume":"64 1","pages":"1439-1450"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89186387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
A calorimetric study of ethyl-α-cyanoacrylate and its polymerization and a study of polyethyl-α-cyanoacrylate at 13–450 K and normal pressure 13-450 K常压下α-氰基丙烯酸酯乙酯及其聚合的量热研究和聚乙基α-氰基丙烯酸酯的研究
Polymer Science U.s.s.r. Pub Date : 1991-01-01 DOI: 10.1016/0032-3950(91)90255-O
T. Bykova, Ye.G. Kiparisova, B. Lebedev, K. Mager, Y. Gololobov
{"title":"A calorimetric study of ethyl-α-cyanoacrylate and its polymerization and a study of polyethyl-α-cyanoacrylate at 13–450 K and normal pressure","authors":"T. Bykova, Ye.G. Kiparisova, B. Lebedev, K. Mager, Y. Gololobov","doi":"10.1016/0032-3950(91)90255-O","DOIUrl":"https://doi.org/10.1016/0032-3950(91)90255-O","url":null,"abstract":"","PeriodicalId":20280,"journal":{"name":"Polymer Science U.s.s.r.","volume":"34 Suppl 1 1","pages":"537-543"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83622782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Structuro-morphological model of impact resistant polyvinyl chloride 抗冲击聚氯乙烯的结构-形态模型
Polymer Science U.s.s.r. Pub Date : 1991-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0032-3950(91)90035-O
T.G. Monakhova, L.I. Batuyeva, T.B. Zavarova, A.P. Savel'ev
{"title":"Structuro-morphological model of impact resistant polyvinyl chloride","authors":"T.G. Monakhova,&nbsp;L.I. Batuyeva,&nbsp;T.B. Zavarova,&nbsp;A.P. Savel'ev","doi":"10.1016/0032-3950(91)90035-O","DOIUrl":"10.1016/0032-3950(91)90035-O","url":null,"abstract":"<div><p>The correlations between the conditions of processing a compositional material, the volume fraction of the interglobular substance in the polymer blend and resilience have been established. A model of the microstructure of impact resistant PVC has been determined and tried out. The mechanism of absorption of the impact energy is proposed.</p></div>","PeriodicalId":20280,"journal":{"name":"Polymer Science U.s.s.r.","volume":"33 8","pages":"Pages 1521-1526"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0032-3950(91)90035-O","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83280915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and properties of polyacetylenes with electron donor substituents 含电子给体取代基聚乙炔的合成与性能
Polymer Science U.s.s.r. Pub Date : 1991-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0032-3950(91)90327-M
S.M Fomin, G.N Gerasimov, A.I Stash, V.M Vozzhennikov, I.V Bulgarovskaya, E.N Teleshov
{"title":"Synthesis and properties of polyacetylenes with electron donor substituents","authors":"S.M Fomin,&nbsp;G.N Gerasimov,&nbsp;A.I Stash,&nbsp;V.M Vozzhennikov,&nbsp;I.V Bulgarovskaya,&nbsp;E.N Teleshov","doi":"10.1016/0032-3950(91)90327-M","DOIUrl":"https://doi.org/10.1016/0032-3950(91)90327-M","url":null,"abstract":"<div><p>New anthracene- and carbazole-containing diacetylenes have been synthesized and subjected to solid phase polymerization, leading to corresponding polydiacetylenes having a polymer chain of ene-ine structure. Doping of the polydiacetylene with iodine depends on its degree of ordering and also on the nature of the electron donor substituent. It is established that there is a maximum on the excitation spectra for the photoconductivity of polyacetylene, located beyond the edge of the optical absorption fundamental. The “internal” doping of polyacetylene with iodine is described: on polymerization of the iodine-containing diacetylene, partial separation of iodine occurs, which results in doping of the polymer formed. The maximum on the excitation spectra for photoconductivity of polyacetylene, located in the region of the absorption of electron donor groups, is associated with “sensitized” photoconductivity, consisting in electron transfer from an excited electron donor substituent into the conductivity zone of the polydiacetylene chain.</p></div>","PeriodicalId":20280,"journal":{"name":"Polymer Science U.s.s.r.","volume":"33 7","pages":"Pages 1402-1409"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0032-3950(91)90327-M","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91740817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
An inverse gas chromatography study of sorption in polyphenylene oxide 反相气相色谱法研究聚苯二烯的吸附
Polymer Science U.s.s.r. Pub Date : 1991-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0032-3950(91)90249-P
M.B. Davydova, Yu.P. Yampolskii
{"title":"An inverse gas chromatography study of sorption in polyphenylene oxide","authors":"M.B. Davydova,&nbsp;Yu.P. Yampolskii","doi":"10.1016/0032-3950(91)90249-P","DOIUrl":"https://doi.org/10.1016/0032-3950(91)90249-P","url":null,"abstract":"<div><p>The solubility coefficients of a number of good solvents in poly(2,6-dimethylphenylene oxide) (PPO)<span><sup>†</sup></span> are determined over the temperature range 80–250°C by inverse gas chromatography. The retention diagrams on this polymer are linear in the region of the polymer glass transition temperature, which is associated with the absence of diffusional restrictions during chromatography. The excess enthalpy and entropy of mixing are calculated from the chromatography data. As for other glass-like polymers having a high free volume, a characteristic feature of PPO is its exothermal mixing, high negative entropy effects for some sorbates, and an extremal dependence of the enthalpy and entropy of mixing on the molar volume of the sorbate. This provides a means of evaluating the characteristic size of the non-equilibrium free volume element in the polymer.</p></div>","PeriodicalId":20280,"journal":{"name":"Polymer Science U.s.s.r.","volume":"33 3","pages":"Pages 495-501"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0032-3950(91)90249-P","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91740799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effect of different forms of ionizing radiations on polytrifluorochloroethylene and polyvinyl chloride 不同形式电离辐射对聚三氟氯乙烯和聚氯乙烯的影响
Polymer Science U.s.s.r. Pub Date : 1991-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0032-3950(91)90154-I
B.K. Pasal'skii, D.A. Sachuk, L.N. Grebinskaya, Ya.I. Lavrentovich
{"title":"Effect of different forms of ionizing radiations on polytrifluorochloroethylene and polyvinyl chloride","authors":"B.K. Pasal'skii,&nbsp;D.A. Sachuk,&nbsp;L.N. Grebinskaya,&nbsp;Ya.I. Lavrentovich","doi":"10.1016/0032-3950(91)90154-I","DOIUrl":"10.1016/0032-3950(91)90154-I","url":null,"abstract":"<div><p>The effect of <sup>60</sup>Co γ-radiation and α-particles with an energy 22 MeV on polytrifluorochloroethylene and polyvinyl chloride has been studied at the boiling point of nitrogen. It is shown that on irradiation of the polymers there is stabilization of some paramagnetic centres the chemical nature of which is independent of the type of radiation. With rise in the linear energy transfer of the radiation the radiation yield of the paramagnetic centres, which for polytrifluorochloroethylene is 0.3 and 0.2 and for PVC 2.0 and 1.3 1/100 eV respectively on exposure to <sup>60</sup>Co γ-radiation and α-particles, diminishes. The temperature intervals are defined at which there is intense decay of the paramagnetic centres. The rate of degradation of polytrifluorochloroethylene and the rate of crosslinking of PVC do not depend on the changes in the linear energy transfer of radiation. The results may be used to predict the radiation tolerance of polymers and determine the optimum conditions for modifying their properties with use of different forms of radiation.</p></div>","PeriodicalId":20280,"journal":{"name":"Polymer Science U.s.s.r.","volume":"33 5","pages":"Pages 892-896"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0032-3950(91)90154-I","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75978030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Stress relaxation in polyethylene crystallized by orientation 聚乙烯取向结晶中的应力松弛
Polymer Science U.s.s.r. Pub Date : 1991-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0032-3950(91)90022-I
Yu.M. Boiko, V.V. Kovriga, A.Ya. Gol'dman
{"title":"Stress relaxation in polyethylene crystallized by orientation","authors":"Yu.M. Boiko,&nbsp;V.V. Kovriga,&nbsp;A.Ya. Gol'dman","doi":"10.1016/0032-3950(91)90022-I","DOIUrl":"10.1016/0032-3950(91)90022-I","url":null,"abstract":"<div><p>Stress relaxation has been investigated in PE in the initial condition and after crystallization by orientation with various values of the extension ratio. The experimental data obtained have been generalized by means of the temperature-time analogy. Values of the effective activation energy have been calculated for the deformation of PE crystallized by orientation. The activation energies are shown to approximate to those found for the principal relaxation processes in HDPE determined by other independent methods.</p></div>","PeriodicalId":20280,"journal":{"name":"Polymer Science U.s.s.r.","volume":"33 9","pages":"Pages 1848-1855"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0032-3950(91)90022-I","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78323046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Physicochemical and electrophysical properties of polybenzimidazolylvinylenes 聚苯并咪唑乙烯的物理化学和电物理性质
Polymer Science U.s.s.r. Pub Date : 1991-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0032-3950(91)90199-Z
G.F. Myachina, T.G. Ermakova, V.N. Salaurov, E.I. Brodskaya, T.I. Vakulskaya, V.A. Lopyrev
{"title":"Physicochemical and electrophysical properties of polybenzimidazolylvinylenes","authors":"G.F. Myachina,&nbsp;T.G. Ermakova,&nbsp;V.N. Salaurov,&nbsp;E.I. Brodskaya,&nbsp;T.I. Vakulskaya,&nbsp;V.A. Lopyrev","doi":"10.1016/0032-3950(91)90199-Z","DOIUrl":"10.1016/0032-3950(91)90199-Z","url":null,"abstract":"<div><p>The optical, thermal, and electrophysical properties of poly(1-methyl-2-benzimidazolyl)vinylene and poly(2-benzimidazolyl)vinylene are considered. The polymers studied are heat resistant, have a developed conjugation system, and have the properties of organic semiconductors and photo-sensitivity in the visible region of the spectrum.</p></div>","PeriodicalId":20280,"journal":{"name":"Polymer Science U.s.s.r.","volume":"33 2","pages":"Pages 332-336"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0032-3950(91)90199-Z","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85302966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of the phase state and structural organization of polydimethyl-polymethylphenylsiloxane block copolymers 聚二甲基-聚甲基苯基硅氧烷嵌段共聚物的相态和结构组织研究
Polymer Science U.s.s.r. Pub Date : 1991-01-01 Epub Date: 2003-06-11 DOI: 10.1016/0032-3950(91)90041-N
Ye.A. Sidorovich, A.S. Ramsh, A.Yu. Ivanov, N.S. Surkova, N.M. Belyaninova, S.Ya. Lazarev, V.D. Lobkov
{"title":"Study of the phase state and structural organization of polydimethyl-polymethylphenylsiloxane block copolymers","authors":"Ye.A. Sidorovich,&nbsp;A.S. Ramsh,&nbsp;A.Yu. Ivanov,&nbsp;N.S. Surkova,&nbsp;N.M. Belyaninova,&nbsp;S.Ya. Lazarev,&nbsp;V.D. Lobkov","doi":"10.1016/0032-3950(91)90041-N","DOIUrl":"10.1016/0032-3950(91)90041-N","url":null,"abstract":"<div><p>Polyblock high molecular polydimethyl-polymethylphenylsiloxane block copolymers have been synthesized using the heterofunctional polycondensation method. The chemical structure of the copolymers was identified by high resolution <sup>29</sup>Si NMR; the MM and copolymer compositions were determined by two-detector GPC analysis. Evaluation of the completeness of phase separation was based on the data obtained by mechanical spectroscopy, X-ray diffraction and DSC. Limit values of MM at which microphase separation takes place have been determined for the blocks.</p></div>","PeriodicalId":20280,"journal":{"name":"Polymer Science U.s.s.r.","volume":"33 8","pages":"Pages 1563-1570"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0032-3950(91)90041-N","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89294505","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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