{"id":1899,"date":"2018-01-10T16:32:47","date_gmt":"2018-01-10T13:32:47","guid":{"rendered":"http:\/\/polymerjournal.kiev.ua\/en\/?page_id=1899"},"modified":"2018-02-14T17:59:51","modified_gmt":"2018-02-14T14:59:51","slug":"2015-2-12","status":"publish","type":"page","link":"http:\/\/polymerjournal.kiev.ua\/en\/2015-2-12\/","title":{"rendered":"2015 (2) 12"},"content":{"rendered":"

https:\/\/doi.org\/10.15407\/polymerj.37.02.186<\/a><\/p>\n

Modification of hyperbranched polyesterpolyols with oligomeric etherurethanediisocyanates and their reactions with 2-aminoethyl hydrogen sulphate and 2-aminoethanesulfonic acid<\/strong><\/p>\n

\u00a0<\/em><\/strong><\/p>\n

A.V. Shevchuk, N.S. Klymenko, A.V. Stryutsky, V.V. Shevchenko<\/em><\/strong><\/p>\n

 <\/p>\n

Institute of Macromolecular Chemistry NAS of Ukraine<\/p>\n

48, Kharkivske sh\u043ese, Kyiv, 02160, Ukraine<\/p>\n

 <\/p>\n

Polym. J., 2015, 37<\/strong>, no. 2: 186-192.<\/p>\n

 <\/p>\n

Section: Synthesis polymers.<\/p>\n

 <\/p>\n

Language: Russian.<\/p>\n

 <\/p>\n

Abstract:<\/p>\n

A method of modification of hyperbranched poly(ester polyol)s with different <\/em>a<\/em>,<\/em>w<\/em>-oligo(ether urethane diisocyanate)s and subsequent introduction of sulfuric and sulfonic terminal groups was proposed. Hyperbranched poly(ether urethane isocyanate)s were synthesized by the reaction of the third generation hyperbranched aliphatic poly(ester polyol)s with <\/em>a<\/em>,<\/em>w<\/em>– oligo(ether urethane diisocyanate)s based on oligo(oxyethylene glycol<\/em>), oligo(oxypropylene glycol) and oligo(oxytetramethylene glycol) with molar masses of 1000 g\/mol and 2,4-, 2,6-tolylene diisocyanate. The compounds containing olygo(ether urethane urea) fragments with terminated sulfuric and sulfonic groups in the form of potassium salts in the outer shell were obtained by interaction of hyperbranched poly(ester urethane isocyanate)s with potassium salts of 2-aminoethyl hydrogen sulfuric and 2-aminoethanesulfonic acids. The synthesized hyperbranched compounds were characterized by functional analysis and IR spectroscopy. According to differential scanning calorimetry they are amorphous compounds with a glass transition temperature in the range of -16 <\/em>\u00b8-57\u00a0\u00b0C in relation to the oligoether nature and salt group type. These compounds are micelle-forming surfactants and their limiting surface activity is 1\u20134 orders of magnitude more then surface activity of surfactants with classical structures. Their colloid-chemical properties also depend on the type of salt group and the nature of oligoether. <\/em><\/p>\n

\u00a0<\/strong><\/p>\n

Key words<\/strong>: hyperbranched polesterpolyols, hyperbranched polyesterurethaneisocyanates, hyperbranched polyesterurethaneurea sulfuric acid, hyperbranched polyesterurethaneurea sulfonic acid, modification, structure, surface activity.<\/p>\n

 <\/p>\n

\u041b\u0438\u0442\u0435\u0440\u0430\u0442\u0443\u0440\u0430<\/strong><\/p>\n

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 <\/p>\n","protected":false},"excerpt":{"rendered":"

https:\/\/doi.org\/10.15407\/polymerj.37.02.186 Modification of hyperbranched polyesterpolyols with oligomeric etherurethanediisocyanates and their reactions with 2-aminoethyl hydrogen sulphate and 2-aminoethanesulfonic acid \u00a0 A.V. Shevchuk, N.S. Klymenko, A.V. Stryutsky, V.V. Shevchenko   Institute of Macromolecular Chemistry NAS of Ukraine 48, Kharkivske sh\u043ese, Kyiv, 02160, Ukraine   Polym. J., 2015, 37, no. 2: 186-192.   Section: Synthesis polymers.   Language: […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"acf":[],"_links":{"self":[{"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/pages\/1899"}],"collection":[{"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/comments?post=1899"}],"version-history":[{"count":3,"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/pages\/1899\/revisions"}],"predecessor-version":[{"id":2226,"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/pages\/1899\/revisions\/2226"}],"wp:attachment":[{"href":"http:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/media?parent=1899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}