{"id":20094,"date":"2019-09-01T19:39:37","date_gmt":"2019-09-01T17:39:37","guid":{"rendered":"http:\/\/reverteminerals.es\/?p=20094"},"modified":"2019-09-02T22:51:20","modified_gmt":"2019-09-02T20:51:20","slug":"new-technical-calcium-carbonate-for-the-production-of-white-masterbatch","status":"publish","type":"post","link":"https:\/\/reverteminerals.com\/en\/new-technical-calcium-carbonate-for-the-production-of-white-masterbatch\/","title":{"rendered":"New Technical Calcium Carbonate for the production of white masterbatch"},"content":{"rendered":"<h1 style=\"text-align: justify;\">A NEW TECHNICAL CALCIUM CARBONATE FOR THE PRODUCTION OF WHITE MASTERBATCH<\/h1>\n<p style=\"text-align: justify;\">In short, we define a white masterbatch as:<\/p>\n<ul style=\"margin-left: 0px; padding-left: 1em; text-indent: -1.4em; text-align: justify;\">\n<li>A Calcium Carbonate concentrate: with a content of up to 85% of our ultra-white calcium carbonates;<\/li>\n<li>A white masterbatch: containing just TiO2 (60-80%) or a combination of TiO2 and calcium carbonate.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">The aim of producing a white masterbatch is to obtain higher productivity and the highest filler levels in the compound compatible with the lowest energy consumption (kWh\/kg) and good quality grains (uniform shape and size, good filler dispersion, etc.).<\/p>\n<p style=\"text-align: justify;\">The first thing that comes to mind when we want to maximise productivity and filler levels in producing grains is to adjust the process parameters (rpm of the spindle \/ rotor, temperature profile, spindle configuration, etc.).<\/p>\n<p style=\"text-align: justify;\">However, the contribution of calcium carbonate in terms of productivity and grain filler level should not be underestimated, as it is a unique opportunity to delay the need for major investment in both new machinery and modifications of production processes.<\/p>\n<p style=\"text-align: justify;\">That is why Revert\u00e9, a company that specialises in the production of Technical Calcium Carbonates, has decided to take a step forward by launching a new technical calcium carbonate called Calcipore 80T AL on the market, which is specifically designed to offer maximum productivity and the highest level of filler in the grain.<\/p>\n<p>The main benefits of Calcipore 80T AL in the production of white masterbatch are as follows:<\/p>\n<ul>\n<li><u>For compound manufacturers:<\/u>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul style=\"margin-left: 0px; padding-left: 1em; text-indent: -1.4em;\">\n<li>Higher productivity and filler level in Co-rotating Twin-Screw Extruders and Continuous Mixers.<\/li>\n<li>Improved dispersion: lower pressure values in the filter test.<\/li>\n<li>Reduction of additives in the compound&#8217;s formulation.<\/li>\n<li>Greater reduction of TiO2 in white masterbatch due to the greater extending power of TiO2.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li><u>For processors:<\/u>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul style=\"margin-left: 0px; padding-left: 1em; text-indent: -1.4em;\">\n<li>Higher filler level in the finished product due to the improvement in chemical properties.<\/li>\n<li>Lower filter change frequency during processing of the grain.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><strong>EXPERIMENTAL DATA<\/strong><\/p>\n<p style=\"text-align: justify;\">The tables below show the higher productivity obtained with the new Calcipore 80T AL for both Twin-Screw and Continuous Mixers compared with other calcium carbonate of the same average particle size (D50 = 1.1 micra)<\/p>\n<p style=\"text-align: justify;\">In Continuous Mixers (for example: Farrell CP 2500) it has been found to eliminate undissolved particles, as shown by the low pressure values in the filter test.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><strong>CONCLUSIONS:<\/strong><\/p>\n<p style=\"text-align: justify;\">The new Calcipore 80T AL Calcium Carbonate offers the following advantages to manufacturers of compounds and polyolefin processors:<\/p>\n<ol style=\"text-align: justify;\">\n<li>Maximum productivity and filler level in the production of calcium carbonate concentrates (grains) in both Twin-Screw Extruders and Continuous Mixers.<\/li>\n<li>Maximum substitution of TiO2 in white masterbatch.<\/li>\n<li>Higher level of use of calcium carbonate concentrate in the end product.<\/li>\n<\/ol>\n<p style=\"text-align: left;\"><strong>PRODUCTIVITY AND FILLER LEVEL OBTAINED WITH TWO CALCIUM CARBONATES OF THE SAME D50 <\/strong><br \/>\n<strong>M\u00e1quina Extrusora:<\/strong> <strong>Extruder: Leistritz Co-TSE ZSE 87 MAXX<\/strong><\/p>\n<p style=\"text-align: left;\"><strong>PRODUCTIVITY AND FILLER LEVEL OBTAINED WITH TWO CALCIUM CARBONATES OF THE SAME D50 <\/strong><br \/>\n<strong>M\u00e1quina :<\/strong> <strong>Machine: Farrel CP 2500<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A NEW TECHNICAL CALCIUM CARBONATE FOR THE PRODUCTION OF WHITE MASTERBATCH In short, we define a white masterbatch as: A Calcium Carbonate concentrate: with a content of up to 85% of our ultra-white calcium carbonates; A white masterbatch: containing just TiO2 (60-80%) or a combination of TiO2 and calcium carbonate. The aim of producing a white masterbatch is to obtain [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":20077,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[92],"tags":[],"class_list":["post-20094","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/reverteminerals.com\/en\/wp-json\/wp\/v2\/posts\/20094","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/reverteminerals.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/reverteminerals.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/reverteminerals.com\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/reverteminerals.com\/en\/wp-json\/wp\/v2\/comments?post=20094"}],"version-history":[{"count":0,"href":"https:\/\/reverteminerals.com\/en\/wp-json\/wp\/v2\/posts\/20094\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/reverteminerals.com\/en\/wp-json\/wp\/v2\/media\/20077"}],"wp:attachment":[{"href":"https:\/\/reverteminerals.com\/en\/wp-json\/wp\/v2\/media?parent=20094"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/reverteminerals.com\/en\/wp-json\/wp\/v2\/categories?post=20094"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/reverteminerals.com\/en\/wp-json\/wp\/v2\/tags?post=20094"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}