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NEW REGULATORS OF THE RHEOLOGY OF CALCIUM CARBONATE TYPE, WHICH CAN BE PREPARED WITH A FATTY ACID OR ITS SALT AND ITS APPLICATION
NEW REGULATORS OF THE RHEOLOGY OF CALCIUM CARBONATE TYPE, WHICH CAN BE PREPARED WITH A FATTY ACID OR ITS SALT AND ITS APPLICATION
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机译:可以用脂肪酸或其盐制备的碳酸钙型流变学的新型调节剂及其应用
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摘要
The invention relates to the selection of a natural calcium carbonate crushed to a high degree of fineness, possibly treated with one or more fatty acids or one or more of their salts or mixtures thereof, and its use as a rheology regulator for polymeric compositions. The specific surface area is 14 to 30 mSUP2/SUP/g measured according to the BET method to ISO 4652, and the oil absorption is greater than 16 measured according to ISO 787-V (Rub-out method). The conditions of mixing of the constituents and manufacture are improved, as well as the properties of the final product.
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机译:本发明涉及粉碎至细度高的天然碳酸钙的选择,其可以用一种或多种脂肪酸或它们的一种或多种盐或它们的混合物处理,以及其作为聚合物组合物的流变调节剂的用途。根据ISO 4652的BET方法测得的比表面积为14至30 m 2 SUP> / g,并且根据ISO 787-V(磨擦法)测得的吸油率大于16 。成分混合和制造的条件以及最终产品的性能均得到改善。
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