{"id":3739,"date":"2025-09-24T16:24:42","date_gmt":"2025-09-24T08:24:42","guid":{"rendered":"https:\/\/www.honorpigments.com\/?post_type=product&p=3739"},"modified":"2026-03-23T19:54:41","modified_gmt":"2026-03-23T11:54:41","slug":"optical-brightener-ob-1","status":"publish","type":"product","link":"https:\/\/www.honorpigment.com\/de\/produkt\/optical-brightener-ob-1\/","title":{"rendered":"Optischer Aufheller OB-1"},"content":{"rendered":"

Optical<\/b><\/strong>\u00a0Brightener<\/b><\/strong>\u00a0OB<\/b><\/strong>–<\/b><\/strong>1<\/b><\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Product<\/b><\/strong>\u00a0Name<\/b><\/strong><\/td>\nOptical<\/b><\/strong>\u00a0brightener<\/b><\/strong>\u00a0OB<\/b><\/strong>-1(<\/b><\/strong>C<\/b><\/strong>.<\/b><\/strong>I<\/b><\/strong>.<\/b><\/strong>\u00a0393)<\/b><\/strong><\/td>\n<\/tr>\n
CAS\u00a0No.<\/td>\n1533-45-5<\/td>\n<\/tr>\n
EINECS\u00a0No.<\/td>\n216-245-3<\/td>\n<\/tr>\n
Other\u00a0Name<\/td>\n4,4′-Bis(2-benzoxazolyl)stilbene<\/td>\n<\/tr>\n
Molecular Formula<\/td>\nC28H18N2O2<\/td>\n<\/tr>\n
Erscheinungsbild<\/td>\nBright\u00a0yellow\u00a0\/ green\u00a0crystalline\u00a0powder<\/td>\n<\/tr>\n
Purit<\/b><\/strong>y<\/b><\/strong><\/td>\n\u226599<\/b><\/strong>%<\/b><\/strong><\/td>\n<\/tr>\n
Melting<\/b><\/strong>\u00a0point<\/b><\/strong><\/td>\n360~380<\/b><\/strong>\u00a0\u00b0<\/b><\/strong>C<\/b><\/strong><\/td>\n<\/tr>\n
Volatile:<\/td>\n<0.5%<\/td>\n<\/tr>\n
Package<\/td>\n20kg\u00a0per\u00a0carton, 25\/30kg\u00a0per\u00a0fiber\u00a0drum\u00a0with\u00a0PE\u00a0liner, or\u00a0as\u00a0per the\u00a0customers’ requirements.<\/td>\n<\/tr>\n
Applications:<\/p>\n

Mostly used in the brightening the products of synthetic fiber and plastics, it is widely used in plastic film, material of lamination moulding and injection moulding as well as preferable brightening efficiency on polyolefin, PVC, PVC foaming, TPR, EVA and PU foaming together with coating, natural lacquer, etc. It also has specially good effect\u00a0 on foaming plastics, especially EVA, PE foaming.<\/td>\n<\/tr>\n

Properties:<\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0Colors\u00a0appear\u00a0more\u00a0brilliant<\/p>\n

\u2022 \u00a0\u00a0\u00a0\u00a0Environmentally\u00a0friendly<\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0Excellent\u00a0brightening\u00a0ability<\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0Produce\u00a0a\u00a0bluish\u00a0tinge, masking\u00a0yellowness<\/p>\n

\u2022 \u00a0\u00a0\u00a0\u00a0Whiter-than-white\u00a0appearance.<\/td>\n<\/tr>\n

Dosage:<\/p>\n

It is commonly used in<\/b><\/strong>\u00a0the<\/b><\/strong>\u00a0amount<\/b><\/strong>\u00a0of<\/b><\/strong>\u00a00.02-0.05%<\/b><\/strong>,\u00a0 each 1 00kg of the materials, the optical brightener OB- 1 takes 20g-50g or can be adjusted acco rding to the requirements of the product or test.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"

CAS-NR.: 1533-45-5<\/p>\n

Summenformel:C28H18N2O2<\/p>\n

Anwendungen: Es wird haupts\u00e4chlich zum Aufhellen von Produkten aus synthetischen Fasern und Kunststoffen verwendet und findet breite Anwendung bei Kunststofffolien, Laminier- und Spritzgussmaterialien sowie bei der Aufhellung von Polyolefinen, PVC, PVC-Schaumstoffen, TPR, EVA und PU-Schaumstoffen zusammen mit Beschichtungen, Naturlacken usw. Es hat auch eine besonders gute Wirkung auf sch\u00e4umende Kunststoffe, vor allem EVA, PE sch\u00e4umend.<\/p>","protected":false},"featured_media":3741,"template":"","meta":[],"product_brand":[],"product_cat":[111],"product_tag":[376],"class_list":{"0":"post-3739","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ob","7":"product_tag-ob-1","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.honorpigment.com\/de\/wp-json\/wp\/v2\/product\/3739","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.honorpigment.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.honorpigment.com\/de\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":0,"href":"https:\/\/www.honorpigment.com\/de\/wp-json\/wp\/v2\/product\/3739\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.honorpigment.com\/de\/wp-json\/wp\/v2\/media\/3741"}],"wp:attachment":[{"href":"https:\/\/www.honorpigment.com\/de\/wp-json\/wp\/v2\/media?parent=3739"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.honorpigment.com\/de\/wp-json\/wp\/v2\/product_brand?post=3739"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.honorpigment.com\/de\/wp-json\/wp\/v2\/product_cat?post=3739"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.honorpigment.com\/de\/wp-json\/wp\/v2\/product_tag?post=3739"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}