{"id":15317,"date":"2022-12-19T15:51:39","date_gmt":"2022-12-19T20:51:39","guid":{"rendered":"https:\/\/www.alpha-technologies.com\/?p=15317"},"modified":"2023-04-10T11:26:05","modified_gmt":"2023-04-10T15:26:05","slug":"the-benefits-of-silica-filler-while-minimizing-the-processing-hassles","status":"publish","type":"post","link":"https:\/\/www.alphatechnologies.cn\/en\/blog\/the-benefits-of-silica-filler-while-minimizing-the-processing-hassles\/","title":{"rendered":"The Benefits of Silica Filler While Minimizing the Processing Hassles"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"15317\" class=\"elementor elementor-15317\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-681d5054 ot-traditional elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"681d5054\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-16bfe135 ot-flex-column-vertical\" data-id=\"16bfe135\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-inner-section elementor-element elementor-element-7f8ef5b elementor-section-full_width ot-traditional elementor-section-height-default elementor-section-height-default\" data-id=\"7f8ef5b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-2e8692f ot-flex-column-vertical\" data-id=\"2e8692f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-53794bd elementor-widget elementor-widget-image\" data-id=\"53794bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.alphatechnologies.cn\/wp-content\/uploads\/2022\/10\/Alpha-Engineer-with-arms-crossed-near-Premier-RPA-dilip800-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-image-14162\" alt=\"\" srcset=\"https:\/\/www.alphatechnologies.cn\/wp-content\/uploads\/2022\/10\/Alpha-Engineer-with-arms-crossed-near-Premier-RPA-dilip800-150x150.jpg 150w, https:\/\/www.alphatechnologies.cn\/wp-content\/uploads\/2022\/10\/Alpha-Engineer-with-arms-crossed-near-Premier-RPA-dilip800-300x300.jpg 300w, https:\/\/www.alphatechnologies.cn\/wp-content\/uploads\/2022\/10\/Alpha-Engineer-with-arms-crossed-near-Premier-RPA-dilip800-768x769.jpg 768w, https:\/\/www.alphatechnologies.cn\/wp-content\/uploads\/2022\/10\/Alpha-Engineer-with-arms-crossed-near-Premier-RPA-dilip800-720x721.jpg 720w, https:\/\/www.alphatechnologies.cn\/wp-content\/uploads\/2022\/10\/Alpha-Engineer-with-arms-crossed-near-Premier-RPA-dilip800.jpg 799w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-50af64b ot-column-items-center ot-flex-column-vertical\" data-id=\"50af64b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7c0778e elementor-widget elementor-widget-heading\" data-id=\"7c0778e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Author <\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a7affb3 elementor-widget elementor-widget-heading\" data-id=\"a7affb3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h6 class=\"elementor-heading-title elementor-size-default\">Dilip Dhupia<\/h6>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a2b1e0 elementor-widget elementor-widget-heading\" data-id=\"3a2b1e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Application Engineer, India<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-bdccb5c elementor-widget elementor-widget-spacer\" data-id=\"bdccb5c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b2c499 elementor-widget elementor-widget-heading\" data-id=\"8b2c499\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How Alpha\u2019s Premier\u2122 RPA can provide qualitative estimates of silanization.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8dbac0c elementor-widget elementor-widget-spacer\" data-id=\"8dbac0c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cb45540 elementor-widget elementor-widget-text-editor\" data-id=\"cb45540\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Modern tire treads and other high-performance rubber are often reinforced by silica, which helps provide lower rolling resistance (providing fuel savings) as well as better wet traction in comparison with carbon black-reinforced treads. However, the addition of silica in rubber compounds leads to processing issues due to:<\/p><ul><li>Incompatibility between highly polar silica and nonpolar raw rubber.\u00a0<\/li><li>Greater affinity between silanol groups leading to the formation of a string filler-tiller network, often referred to as flocculation, resulting in poor dispersion and distribution.<\/li><li>Poor filler-rubber interaction<\/li><\/ul><p>This is due to difference of surface chemistry between silica and carbon black:<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3953ff elementor-widget elementor-widget-image\" data-id=\"a3953ff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"277\" height=\"122\" src=\"https:\/\/www.alphatechnologies.cn\/wp-content\/uploads\/2022\/12\/Figure-1.jpg\" class=\"attachment-medium size-medium wp-image-15323\" alt=\"Inorganic surface chemistry\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Inorganic surface chemistry<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46f0706 elementor-widget elementor-widget-spacer\" data-id=\"46f0706\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8332423 elementor-widget elementor-widget-spacer\" data-id=\"8332423\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d67e98 elementor-widget elementor-widget-image\" data-id=\"1d67e98\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"287\" height=\"129\" src=\"https:\/\/www.alphatechnologies.cn\/wp-content\/uploads\/2022\/12\/Figure-2.jpg\" class=\"attachment-medium size-medium wp-image-15330\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Organic surface chemistry<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c4d40e6 elementor-widget elementor-widget-text-editor\" data-id=\"c4d40e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>As a result, silica aggregates tend to flocculate because of their poor compatibility with rubber. Flocculation can occur during compound storage, as well as at the beginning of vulcanization. To minimize silica flocculation, improve mixing, and obtain mixing consistency, sulfur-containing silane coupling agents are added to the recipe. The mixing of silica with silane in rubber produces a chemical reaction, called silanization.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-520f685 elementor-widget elementor-widget-spacer\" data-id=\"520f685\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d27730b elementor-widget elementor-widget-heading\" data-id=\"d27730b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">How to Remove Flocculation Out of Your Compound<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4726b6a4 elementor-widget elementor-widget-text-editor\" data-id=\"4726b6a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In a silanization reaction, silanes chemically bond with silica during mixing, and then attach to rubber at vulcanization, which as a positive effect on the resulting compound properties in terms of improving filler-to-rubber reaction. The degree of silanization achieved during mixing is one of the key factors to control the quality of processing, rubber reinforcement and other compound properties.<\/p><p>Authors of the paper &#8220;<a href=\"https:\/\/meridian.allenpress.com\/rct\/article-abstract\/90\/1\/126\/92706\/SILANIZATION-CHARACTERIZATION-AND-COMPOUND\">Silanization characterization and compound properties of silica-filled rubber containing a blocked mercapto silane<\/a>&#8221; Chenchy J. Lin, W. Michael York, Russell J. Cody; developed a feasible and reliable method to quantify silanization using a Premier RPA (Rubber process analyzer) from Alpha Technologies. The method was based on the fact that the degree of filler network developed is inversely proportional to the exposed silica surface coverage by a silane, therefore the amount of silane reacted with the exposed silica surface can be calculated. in their paper, an indirect method was demonstrated using rheology, which may be more convenient and practical for typical tire plants. Specifically, the authors propose to measure a silane&#8217;s capability to suppress silica filler network formation (flocculation) and to correlate those measurements to the resultant compound properties.\u00a0<\/p><p>The authors evaluated three types of silane coupling agents and adapted the test methods to shop floor Quality Control environments, making some modifications to make it user friendly and to create a test that can be conducted after each stage of mixing. The test sequence involves conditioning of the sample and determination of storage modulus before and after sample conditioning step. Delta of storage modulus after different mixing stage is being used to calculate the silanization.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-87d2b48 ot-traditional elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"87d2b48\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e8ff2cb ot-flex-column-vertical\" data-id=\"e8ff2cb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-inner-section elementor-element elementor-element-a09896b elementor-section-full_width elementor-section-content-bottom ot-traditional elementor-section-height-default elementor-section-height-default\" data-id=\"a09896b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-9ef113a ot-flex-column-vertical\" data-id=\"9ef113a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e3f4d24 elementor-widget elementor-widget-heading\" data-id=\"e3f4d24\" data-element_type=\"widget\" data-e-type=\"widget\" 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class=\"elementor-section elementor-inner-section elementor-element elementor-element-ec5f2d4 ot-traditional elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ec5f2d4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-da3b6bc ot-flex-column-vertical\" data-id=\"da3b6bc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7544b05 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"7544b05\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/blog\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">More Thought Leadership<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p><span class=\"excerpt-author\">Author Dilip Dhupia, Application Engineer, India<\/span> How Alpha\u2019s Premier\u2122 RPA can provide qualitative estimates of silanization. Modern tire treads and other high-performance rubber [\u2026]<\/p>\n","protected":false},"author":4,"featured_media":15917,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","footnotes":""},"categories":[19],"tags":[175,173,21],"post_folder":[],"class_list":["post-15317","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-silica-filler","tag-rubber-process-analyzer","tag-rpa"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/posts\/15317","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/comments?post=15317"}],"version-history":[{"count":10,"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/posts\/15317\/revisions"}],"predecessor-version":[{"id":15931,"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/posts\/15317\/revisions\/15931"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/media\/15917"}],"wp:attachment":[{"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/media?parent=15317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/categories?post=15317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/tags?post=15317"},{"taxonomy":"post_folder","embeddable":true,"href":"https:\/\/www.alphatechnologies.cn\/en\/wp-json\/wp\/v2\/post_folder?post=15317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}