METHOD FOR GRINDING A PARTICULATE PHYLLOSILICATE MATERIAL
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United States of America Patent
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Issued Date -
Sep 24, 2015
app pub date -
Oct 10, 2013
filing date -
Oct 10, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A ground phyllosilicate mineral may include particulate talc having a d50 in the range of from 0.5 to 10 μm and a shape factor of from 10 to 100. A method for grinding a particulate inorganic material may include providing an aqueous suspension including a particulate phyllosilicate mineral having a shape factor less than 60. The method may further include grinding the aqueous suspension to form a ground product, wherein the particulate phyllosilicate mineral is present in the aqueous suspension in an amount greater than 55% by weight, and wherein the phyllosilicate mineral is talc. The ground phyllosilicate mineral may be used as a coating pigment or as a filler, or as part of a coating or a filler composition in the preparation of paper, card, board, cardboard, writing paper, printing paper, polymers, rubbers, plastics, plastic films, paints, sealants, mastics, or ceramics.
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International Classification(s)
- C09J:ADHESIVES; ADHESIVE PROCESSES IN GENERAL
- C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
- C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
- C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....
- C09C:TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBRO....
- D21H:PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED....
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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