Stability of Polymer–Monomer Particles of Synthetic Latexes
The presence of “living” macroradicals in the volume of a polymer–monomer particle may be one of the factors responsible for the loss of the aggregative stability of latexes. If the adsorption protection of a polymer–monomer particle is insufficient, high content of “living” macroradicals leads to g...
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Veröffentlicht in: | Russian journal of applied chemistry 2018-10, Vol.91 (10), p.1642-1653 |
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creator | Kraynik, I. I. Beresnev, V. N. Agibalova, L. V. Kurova, A. V. |
description | The presence of “living” macroradicals in the volume of a polymer–monomer particle may be one of the factors responsible for the loss of the aggregative stability of latexes. If the adsorption protection of a polymer–monomer particle is insufficient, high content of “living” macroradicals leads to gelation in the latex in the course of storage. Correlation between the latex life time, hydration of nonionic surfactant molecules in the adsorption layer of a polymer–monomer particle, and extent of the action of the macroradicals was determined. Naphthalenesulfonic dispersing agents enhance the stability of latex systems in the step of polymerization and distillation of the monomers owing to a decrease in the critical micelle concentration of the emulsifier, to extension of the micellar period of the polymerization, to an increase in the degree of saturation of polymer–monomer particles, and to an increase in the probability of macroradical recombination in the volume of a polymer–monomer particle. With an increase in the degree of polycondensation of naphthalene-containing dispersing agents, their surface activity increases, whereas the ability to support the aggregative stability of latexes decreases. |
doi_str_mv | 10.1134/S1070427218100117 |
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Naphthalenesulfonic dispersing agents enhance the stability of latex systems in the step of polymerization and distillation of the monomers owing to a decrease in the critical micelle concentration of the emulsifier, to extension of the micellar period of the polymerization, to an increase in the degree of saturation of polymer–monomer particles, and to an increase in the probability of macroradical recombination in the volume of a polymer–monomer particle. With an increase in the degree of polycondensation of naphthalene-containing dispersing agents, their surface activity increases, whereas the ability to support the aggregative stability of latexes decreases.</description><identifier>ISSN: 1070-4272</identifier><identifier>EISSN: 1608-3296</identifier><identifier>DOI: 10.1134/S1070427218100117</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Adsorption ; Chemistry ; Chemistry and Materials Science ; Chemistry/Food Science ; Distillation ; Emulsion polymerization ; Gelation ; Industrial Chemistry/Chemical Engineering ; Latex ; Macromolecular Compounds and Polymeric Materials ; Micelles ; Monomers ; Naphthalene ; Polymerization ; Polymers</subject><ispartof>Russian journal of applied chemistry, 2018-10, Vol.91 (10), p.1642-1653</ispartof><rights>Pleiades Publishing, Ltd. 2018</rights><rights>Copyright Springer Science & Business Media 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c353t-6a52ac384ce29baee460b162a1831491b56d78e5c7630b4149d550df40c128653</citedby><cites>FETCH-LOGICAL-c353t-6a52ac384ce29baee460b162a1831491b56d78e5c7630b4149d550df40c128653</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S1070427218100117$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S1070427218100117$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27922,27923,41486,42555,51317</link.rule.ids></links><search><creatorcontrib>Kraynik, I. 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Naphthalenesulfonic dispersing agents enhance the stability of latex systems in the step of polymerization and distillation of the monomers owing to a decrease in the critical micelle concentration of the emulsifier, to extension of the micellar period of the polymerization, to an increase in the degree of saturation of polymer–monomer particles, and to an increase in the probability of macroradical recombination in the volume of a polymer–monomer particle. With an increase in the degree of polycondensation of naphthalene-containing dispersing agents, their surface activity increases, whereas the ability to support the aggregative stability of latexes decreases.</description><subject>Adsorption</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Chemistry/Food Science</subject><subject>Distillation</subject><subject>Emulsion polymerization</subject><subject>Gelation</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Latex</subject><subject>Macromolecular Compounds and Polymeric Materials</subject><subject>Micelles</subject><subject>Monomers</subject><subject>Naphthalene</subject><subject>Polymerization</subject><subject>Polymers</subject><issn>1070-4272</issn><issn>1608-3296</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1UM1Kw0AQXkTBWn0AbwHP0Zn9z8GDFP-gYqF6DpvtRlPSbN1Nwdx8B9_QJ3FLBQ_iab6Z72eYIeQU4RyR8Ys5ggJOFUWNAIhqj4xQgs4ZLeR-wonOt_whOYpxCQCFlHpELue9qZq26YfM19nMt8PKha-Pzwff-YSymQl9Y1sXt_R86PpXl_psanr37uIxOahNG93JTx2T55vrp8ldPn28vZ9cTXPLBOtzaQQ1lmluHS0q4xyXUKGkBjVDXmAl5EJpJ6ySDCqeRgshYFFzsEi1FGxMzna56-DfNi725dJvQpdWljRdqZSWmicV7lQ2-BiDq8t1aFYmDCVCuf1S-edLyUN3npi03YsLv8n_m74BoHBoIA</recordid><startdate>20181001</startdate><enddate>20181001</enddate><creator>Kraynik, I. 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V.</creatorcontrib><creatorcontrib>Kurova, A. V.</creatorcontrib><collection>CrossRef</collection><jtitle>Russian journal of applied chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kraynik, I. I.</au><au>Beresnev, V. N.</au><au>Agibalova, L. V.</au><au>Kurova, A. V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Stability of Polymer–Monomer Particles of Synthetic Latexes</atitle><jtitle>Russian journal of applied chemistry</jtitle><stitle>Russ J Appl Chem</stitle><date>2018-10-01</date><risdate>2018</risdate><volume>91</volume><issue>10</issue><spage>1642</spage><epage>1653</epage><pages>1642-1653</pages><issn>1070-4272</issn><eissn>1608-3296</eissn><abstract>The presence of “living” macroradicals in the volume of a polymer–monomer particle may be one of the factors responsible for the loss of the aggregative stability of latexes. If the adsorption protection of a polymer–monomer particle is insufficient, high content of “living” macroradicals leads to gelation in the latex in the course of storage. Correlation between the latex life time, hydration of nonionic surfactant molecules in the adsorption layer of a polymer–monomer particle, and extent of the action of the macroradicals was determined. Naphthalenesulfonic dispersing agents enhance the stability of latex systems in the step of polymerization and distillation of the monomers owing to a decrease in the critical micelle concentration of the emulsifier, to extension of the micellar period of the polymerization, to an increase in the degree of saturation of polymer–monomer particles, and to an increase in the probability of macroradical recombination in the volume of a polymer–monomer particle. With an increase in the degree of polycondensation of naphthalene-containing dispersing agents, their surface activity increases, whereas the ability to support the aggregative stability of latexes decreases.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S1070427218100117</doi><tpages>12</tpages></addata></record> |
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subjects | Adsorption Chemistry Chemistry and Materials Science Chemistry/Food Science Distillation Emulsion polymerization Gelation Industrial Chemistry/Chemical Engineering Latex Macromolecular Compounds and Polymeric Materials Micelles Monomers Naphthalene Polymerization Polymers |
title | Stability of Polymer–Monomer Particles of Synthetic Latexes |
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