{"id":2258,"date":"2026-04-06T14:15:54","date_gmt":"2026-04-06T11:15:54","guid":{"rendered":"https:\/\/metrolab.cen.aboutdev.gr\/?p=2258"},"modified":"2026-04-06T14:15:54","modified_gmt":"2026-04-06T11:15:54","slug":"cyanopropyl-polysilphenylene-siloxane","status":"publish","type":"post","link":"https:\/\/metrolab.cen.aboutdev.gr\/index.php\/2026\/04\/06\/cyanopropyl-polysilphenylene-siloxane\/","title":{"rendered":"Cyanopropyl Polysilphenylene Siloxane"},"content":{"rendered":"<p><strong>BPX70, BPX90<\/strong><\/p>\n<p>High cyanopropyl substituted phases, are more difficult to make as efficient, thermally stable phases.<\/p>\n<p>BPX70 is equivalent to and behaves like a 70% cyanopropyl siloxane but with siphenyl end substituted backbone for stability which was introduced in 1987 and remained the most polar thermally stable phase for a long time.<\/p>\n<p>BPX90 which is equivalent to a 90% cyanopropyl siloxane and stable to 300 \u00b0C which is excellent for such a polar phase. The prominent interaction for BPX90 is \u03c0 &#8211; \u03c0 bonding with the cyano group; the cyano groups become almost entirely responsible for the partitioning.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>BPX70, BPX90<\/p>\n<p>High cyanopropyl substituted phases, are more difficult to make as efficient, thermally stable phases.<\/p>\n<p>BPX70 is equivalent to and behaves like a 70% cyanopropyl siloxane but with siphenyl end substituted backbone for stability which was introduced in 1987 and remained the most polar thermally stable phase for a long time.<\/p>\n<p>BPX90 which is equivalent to a 90% cyanopropyl siloxane and stable to 300 \u00b0C which is excellent for such a polar phase. The prominent interaction for BPX90 is \u03c0 &#8211; \u03c0 bonding with the cyano group; the cyano groups become almost entirely responsible for the partitioning.<\/p>\n","protected":false},"author":2,"featured_media":2243,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[63],"tags":[],"class_list":["post-2258","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-trajan-sge"],"acf":[],"_links":{"self":[{"href":"https:\/\/metrolab.cen.aboutdev.gr\/index.php\/wp-json\/wp\/v2\/posts\/2258","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/metrolab.cen.aboutdev.gr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/metrolab.cen.aboutdev.gr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/metrolab.cen.aboutdev.gr\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/metrolab.cen.aboutdev.gr\/index.php\/wp-json\/wp\/v2\/comments?post=2258"}],"version-history":[{"count":1,"href":"https:\/\/metrolab.cen.aboutdev.gr\/index.php\/wp-json\/wp\/v2\/posts\/2258\/revisions"}],"predecessor-version":[{"id":2259,"href":"https:\/\/metrolab.cen.aboutdev.gr\/index.php\/wp-json\/wp\/v2\/posts\/2258\/revisions\/2259"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/metrolab.cen.aboutdev.gr\/index.php\/wp-json\/wp\/v2\/media\/2243"}],"wp:attachment":[{"href":"https:\/\/metrolab.cen.aboutdev.gr\/index.php\/wp-json\/wp\/v2\/media?parent=2258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/metrolab.cen.aboutdev.gr\/index.php\/wp-json\/wp\/v2\/categories?post=2258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/metrolab.cen.aboutdev.gr\/index.php\/wp-json\/wp\/v2\/tags?post=2258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}