{"id":4256,"date":"2025-05-22T14:23:02","date_gmt":"2025-05-22T11:23:02","guid":{"rendered":"https:\/\/polymerjournal.kiev.ua\/?page_id=4256"},"modified":"2025-05-22T14:24:07","modified_gmt":"2025-05-22T11:24:07","slug":"2025-1-3","status":"publish","type":"page","link":"https:\/\/polymerjournal.kiev.ua\/en\/2025-1-3\/","title":{"rendered":"2025 (1) 3"},"content":{"rendered":"

https:\/\/doi.org\/10.15407\/polymerj.47.01.022<\/a><\/p>\n

POLYURETHANE PROTECTIVE MATERIALS: VISCOELASTIC AND TRIBOLOGICAL PROPERTIES<\/strong><\/h3>\n

YURI SAVELYEV1<\/sup><\/strong>*<\/sup> (https:\/\/orcid.org\/0000-0003-3356-9087), LIUDMILA MARKOVSKA<\/strong> (https:\/\/orcid.org\/0000-0003-3427-9786), NATALIA BABKINA<\/strong>1<\/sup> (https:\/\/orcid.org\/0000-0002-1803-0887), VADIM ZAKIEV<\/strong>2**<\/sup> (https:\/\/orcid.org\/0000-0003-2444-1970), NATALIA PARKHOMENKO<\/strong> (https:\/\/orcid.org\/0000-0001-7481-9113) OLGA SAVELYEVA<\/strong> (https:\/\/orcid.org\/0000-0002-3167-8493)<\/p>\n

*<\/sup>E-mail:yuri2savelyev@ gmail.com,<\/p>\n

**<\/sup>E-mail: Zakiev@ukr.net<\/a>,<\/p>\n

1<\/sup>Instutute of Macromolecular Chemistry of the NAS of Ukraine, 48, Kharkivske Highway, \u041ayiv, 02155, Ukraine<\/p>\n

2<\/sup>National Aviation University. L. Guazara Ave, \u041ayiv, 1, 03058, Ukraine<\/p>\n

Polimernyi Zhurnal, 2025,\u00a047<\/strong>, no. 1: 13-21<\/p>\n

Section: Structure and properties.<\/p>\n

Language: English.<\/p>\n

Abstract:<\/strong><\/h3>\n

In order to spread the practice of using polyurethanes previously developed by us as polyurethane anticorrosive coatings (PAC), in addition to their resistance to the action of various destructors. It is also important to resist deformational dynamic loads, which can lead to the destruction of adhesive bonds between the polymer and the surface to be protected, as well as mechanical loads, in particular abrasion. Studies of the PAC based on the blend of network polyurethane\/aromatic linear polyurethane NPU\/LPU 70\/30 and aliphatic linear\/aromatic network polyurethane APU\/NPU 80\/20, reproduced for the verification of the main properties showed that the PAC based on NPU\/LPU70\/30, APU\/NPU 80\/20 are characterized by high adhesion – their adhesive strength is less than a point, and have high cohesion indicators: 40.3\/40.0 kg\/cm2<\/sup> respectively. The introduction of inorganic pigments increases these values to 40.3 and 43.7 kg\/cm2<\/sup>, respectively. The thermal stability of both types of PM is estimated at 260 \u00b0C, the addition of 5% inorganic pigment increases this figure to 270 \u00b0C, also for both polymers. PACs are resistant to the action of abiotic destructors: distilled and sea water, ethyl acetate, diesel fuel, aviation gasoline, 20% solutions of H2<\/sub>SO4<\/sub> and KOH, and are also resistant to the flow of complex atmospheric factor NPU\/LPU70\/30, APU\/NPU80\/20 retain strength by 82% \/ 95%, respectively. The introduction of inorganic pigment, 5%, increases the resistance to 115% \/ 99%. PACs are resistant to dynamic deformation loads, which is confirmed by the presence of damping properties of coatings at temperatures close to the temperatures of use of coatings – tan \u03b4 more than 0.1. The use of inorganic pigments increases this indicator – to 0.175. The produced polyurethanes are resistant to abrasion. At the application of a load during the test, which significantly exceeds the practice of using polymeric protective coatings, this value is 0.001 g\/cm2<\/sup> – 0.006 g\/cm2<\/sup>.<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 By analogy with building codes, the polymers obtained can be used under certain conditions (load) as protective polymer coatings with anti-slip properties – since their coefficient of friction \u03bc > 0.5. In general, they can be used as matrices for obtaining various protective coatings using functional modifiers and fillers.<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Keywords<\/em><\/strong>: Polyurethanes, coating, protection, resistance, destruction<\/em><\/p>\n

References<\/strong><\/h3>\n

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https:\/\/doi.org\/10.15407\/polymerj.47.01.022 POLYURETHANE PROTECTIVE MATERIALS: VISCOELASTIC AND TRIBOLOGICAL PROPERTIES YURI SAVELYEV1* (https:\/\/orcid.org\/0000-0003-3356-9087), LIUDMILA MARKOVSKA (https:\/\/orcid.org\/0000-0003-3427-9786), NATALIA BABKINA1 (https:\/\/orcid.org\/0000-0002-1803-0887), VADIM ZAKIEV2** (https:\/\/orcid.org\/0000-0003-2444-1970), NATALIA PARKHOMENKO (https:\/\/orcid.org\/0000-0001-7481-9113) OLGA SAVELYEVA (https:\/\/orcid.org\/0000-0002-3167-8493) *E-mail:yuri2savelyev@ gmail.com, **E-mail: Zakiev@ukr.net, 1Instutute of Macromolecular Chemistry of the NAS of Ukraine, 48, Kharkivske Highway, \u041ayiv, 02155, Ukraine 2National Aviation University. L. Guazara Ave, \u041ayiv, 1, 03058, Ukraine […]<\/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":"https:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/pages\/4256"}],"collection":[{"href":"https:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/comments?post=4256"}],"version-history":[{"count":2,"href":"https:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/pages\/4256\/revisions"}],"predecessor-version":[{"id":4258,"href":"https:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/pages\/4256\/revisions\/4258"}],"wp:attachment":[{"href":"https:\/\/polymerjournal.kiev.ua\/en\/wp-json\/wp\/v2\/media?parent=4256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}