{"id":1,"date":"2022-08-01T15:35:22","date_gmt":"2022-08-01T13:35:22","guid":{"rendered":"https:\/\/blog.rwth-aachen.de\/bauchemie\/?p=1"},"modified":"2025-01-03T16:34:29","modified_gmt":"2025-01-03T15:34:29","slug":"hallo-welt","status":"publish","type":"post","link":"https:\/\/blog.rwth-aachen.de\/bauchemie\/en\/2022\/08\/01\/hallo-welt\/","title":{"rendered":"New publication:<\/br>Resistance of crosslinkers in alkaline hydrogels"},"content":{"rendered":"<div class=\"twoclick_social_bookmarks_post_1 social_share_privacy clearfix 1.6.4 locale-en_US sprite-en_US\"><\/div><div class=\"twoclick-js\"><script type=\"text\/javascript\">\/* <![CDATA[ *\/\njQuery(document).ready(function($){if($('.twoclick_social_bookmarks_post_1')){$('.twoclick_social_bookmarks_post_1').socialSharePrivacy({\"txt_help\":\"Wenn Sie diese Felder durch einen Klick aktivieren, werden Informationen an Facebook, Twitter, Flattr, Xing, t3n, LinkedIn, Pinterest oder Google eventuell ins Ausland \\u00fcbertragen und unter Umst\\u00e4nden auch dort gespeichert. N\\u00e4heres erfahren Sie durch einen Klick auf das <em>i<\\\/em>.\",\"settings_perma\":\"Dauerhaft aktivieren und Daten\\u00fcber-tragung zustimmen:\",\"info_link\":\"http:\\\/\\\/www.heise.de\\\/ct\\\/artikel\\\/2-Klicks-fuer-mehr-Datenschutz-1333879.html\",\"uri\":\"https:\\\/\\\/blog.rwth-aachen.de\\\/bauchemie\\\/en\\\/2022\\\/08\\\/01\\\/hallo-welt\\\/\",\"post_id\":1,\"post_title_referrer_track\":\"New+publication%3AResistance+of+crosslinkers+in+alkaline+hydrogels\",\"display_infobox\":\"on\"});}});\n\/* ]]> *\/<\/script><\/div><p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8 size-large\" src=\"https:\/\/blog.rwth-aachen.de\/bauchemie\/files\/2024\/12\/gels-08-00669-g001-1024x336.png\" alt=\"\" width=\"1024\" height=\"336\" srcset=\"https:\/\/blog.rwth-aachen.de\/bauchemie\/files\/2024\/12\/gels-08-00669-g001-1024x336.png 1024w, https:\/\/blog.rwth-aachen.de\/bauchemie\/files\/2024\/12\/gels-08-00669-g001-300x98.png 300w, https:\/\/blog.rwth-aachen.de\/bauchemie\/files\/2024\/12\/gels-08-00669-g001-768x252.png 768w, https:\/\/blog.rwth-aachen.de\/bauchemie\/files\/2024\/12\/gels-08-00669-g001-1536x504.png 1536w, https:\/\/blog.rwth-aachen.de\/bauchemie\/files\/2024\/12\/gels-08-00669-g001-2048x671.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>As part of our work on highly alkaline diallyldimethylammonium hydroxide (DADMAOH) hydrogels for the repair of mineral building materials, T. Mrohs and O. Weichold analysed the resistance of the four crosslinkers shown above. Classic amides such as N,N\u2032-methylenebisacrylamide (BIS) decompose by slow hydrolysis, which leads to liquefaction of the gels. N,N,N\u2032,N\u2032-tetraallylpiperazinium dibromide (1b) decomposes surprisingly quickly due to chemical instabilities. In contrast, hydrogels with tetraallylammonium bromide (1a) or N,N,N\u2032,N\u2032,N\u2032-tetraallyltrimethylene dipiperidinedibromide (1c) show no traces of degradation products even after 28 days at 60 \u00b0C. This corresponds to a shelf life of over 15 months at room temperature &#8211; sufficient for applications such as realkalisation or chloride extraction. These results show that such innovative materials are ideal for long-lasting construction applications.<\/p>\n<p>T. B. Mrohs, O. Weichold<br \/>\n<em>Hydrolytic Stability of Crosslinked, Highly Alkaline Diallyldimethylammonium Hydroxide Hydrogels<\/em><br \/>\n<em>Gels<\/em> <strong>2022,<\/strong> <em>8<\/em>, 669.\u00a0<a href=\"https:\/\/doi.org\/10.3390\/gels8100669\">https:\/\/doi.org\/10.3390\/gels8100669<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>As part of our work on highly alkaline diallyldimethylammonium hydroxide (DADMAOH) hydrogels for the repair of mineral building materials, T. Mrohs and O. Weichold analysed the resistance of the four [&hellip;]<\/p>\n","protected":false},"author":6352,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"c2c_always_allow_admin_comments":false,"footnotes":""},"categories":[2,7,5],"tags":[],"class_list":["post-1","post","type-post","status-publish","format-standard","hentry","category-dadmaoh","category-gele","category-publication"],"_links":{"self":[{"href":"https:\/\/blog.rwth-aachen.de\/bauchemie\/en\/wp-json\/wp\/v2\/posts\/1","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.rwth-aachen.de\/bauchemie\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.rwth-aachen.de\/bauchemie\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.rwth-aachen.de\/bauchemie\/en\/wp-json\/wp\/v2\/users\/6352"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.rwth-aachen.de\/bauchemie\/en\/wp-json\/wp\/v2\/comments?post=1"}],"version-history":[{"count":12,"href":"https:\/\/blog.rwth-aachen.de\/bauchemie\/en\/wp-json\/wp\/v2\/posts\/1\/revisions"}],"predecessor-version":[{"id":359,"href":"https:\/\/blog.rwth-aachen.de\/bauchemie\/en\/wp-json\/wp\/v2\/posts\/1\/revisions\/359"}],"wp:attachment":[{"href":"https:\/\/blog.rwth-aachen.de\/bauchemie\/en\/wp-json\/wp\/v2\/media?parent=1"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.rwth-aachen.de\/bauchemie\/en\/wp-json\/wp\/v2\/categories?post=1"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.rwth-aachen.de\/bauchemie\/en\/wp-json\/wp\/v2\/tags?post=1"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}