{"id":3475,"date":"2020-11-06T00:29:32","date_gmt":"2020-11-05T23:29:32","guid":{"rendered":"https:\/\/dana.ggiants.de\/glossary\/mbbt\/"},"modified":"2022-01-14T10:41:57","modified_gmt":"2022-01-14T09:41:57","slug":"mbbt","status":"publish","type":"glossary","link":"https:\/\/nanopartikel.info\/en\/glossar\/mbbt\/","title":{"rendered":"MBBT"},"content":{"rendered":"<p>chem. <em>Methylene-bis-Benzotriazolyltetramethylbutylphenol<\/em>, is a yellowish organic solid and practically insoluble in water. The <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Nanomaterial&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;The European Commission updated the common definition of the term &amp;quot;nanomaterial&amp;quot; in 2022:&amp;lt;br \/&amp;gt;&lsquo;Nanomaterial&rsquo; means a natural, incidental or manufactured material consisting of solid particles that are present, either on their own or as identifiable constituent particles in aggregates or agglomerates, and where 50% or more of these particles in the number-based size distribution fulfil at least one of the following conditions:\n&amp;lt;ol&amp;gt;\n \t&amp;lt;li&amp;gt;one or more external dimensions of the particle are in the size range 1 nm to 100 nm;&amp;lt;\/li&amp;gt;\n \t&amp;lt;li&amp;gt;the particle has an elongated shape, such as a rod, fibre or tube, where two external dimensions are smaller than 1 nm and the other dimension is larger than 100 nm;&amp;lt;\/li&amp;gt;\n \t&amp;lt;li&amp;gt;the particle has a plate-like shape, where one external dimension is smaller than 1 nm and the other dimensions are larger than 100 nm.&amp;lt;\/li&amp;gt;\n \t&amp;lt;li&amp;gt;In the determination of the particle number-based size distribution, particles with at least two orthogonal external dimensions larger than 100 &mu;m need not be considered.&amp;lt;\/li&amp;gt;\n&amp;lt;\/ol&amp;gt;\nHowever, a material with a specific surface area by volume of &amp;lt; 6 m&amp;lt;sup&amp;gt;2&amp;lt;\/sup&amp;gt;\/cm&amp;lt;sup&amp;gt;3&amp;lt;\/sup&amp;gt; shall not be considered a nanomaterial.&amp;lt;br \/&amp;gt;https:\/\/ec.europa.eu\/environment\/chemicals\/nanotech\/pdf\/C_2022_3689_1_EN_ACT_part1_v6.pdf&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>nanomaterial<\/span> has been approved in the EU as a broadband UV filter in cosmetic products. It forms a protective film on the upper skin layer and scatters reflects and absorbs the UV rays of the sun, especially UV-A radiation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>chem. Methylene-bis-Benzotriazolyltetramethylbutylphenol, is a yellowish organic solid and practically insoluble in water. The nanomaterial has been approved in the EU as a broadband UV filter in cosmetic products. It forms a protective film on the upper skin layer and scatters reflects and absorbs the UV rays of the sun, especially UV-A radiation.<\/p>\n","protected":false},"author":6,"featured_media":0,"menu_order":0,"template":"","meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/nanopartikel.info\/en\/wp-json\/wp\/v2\/glossary\/3475"}],"collection":[{"href":"https:\/\/nanopartikel.info\/en\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/nanopartikel.info\/en\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/nanopartikel.info\/en\/wp-json\/wp\/v2\/users\/6"}],"version-history":[{"count":4,"href":"https:\/\/nanopartikel.info\/en\/wp-json\/wp\/v2\/glossary\/3475\/revisions"}],"predecessor-version":[{"id":18492,"href":"https:\/\/nanopartikel.info\/en\/wp-json\/wp\/v2\/glossary\/3475\/revisions\/18492"}],"wp:attachment":[{"href":"https:\/\/nanopartikel.info\/en\/wp-json\/wp\/v2\/media?parent=3475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}