DEFOAMING AGENT COMPOSITION
PROBLEM TO BE SOLVED: To provide a defoaming agent composition containing a polyoxyalkylene compound as a main defoaming component in order to improve the initial defoaming property, the persistence of the defoaming effect, and the stability of the defoaming effect when the defoaming property is var...
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| creator | O SHIGEKI YAMAGUCHI ZENJI |
| description | PROBLEM TO BE SOLVED: To provide a defoaming agent composition containing a polyoxyalkylene compound as a main defoaming component in order to improve the initial defoaming property, the persistence of the defoaming effect, and the stability of the defoaming effect when the defoaming property is varied, particularly, owing to temperature change of a liquid. SOLUTION: This defoaming agent composition contains the polyoxyalkylene compound (A) shown by the general formula: R1-X-(Y)-Z-R2(wherein R1 and R2 are each a straight-chained or branched-chained 6-22C alkyl or alkenyl group independently; X and Z are each -CO- or -O- independently; Y is a polyoxyethylene-polyoxypropylene group and contains ≥50 mol% polyoxyethylene), an organosiloxane polymer (B), and hydrophobic silica (C). COPYRIGHT: (C)2004,JPO |
| format | Patent |
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SOLUTION: This defoaming agent composition contains the polyoxyalkylene compound (A) shown by the general formula: R1-X-(Y)-Z-R2(wherein R1 and R2 are each a straight-chained or branched-chained 6-22C alkyl or alkenyl group independently; X and Z are each -CO- or -O- independently; Y is a polyoxyethylene-polyoxypropylene group and contains ≥50 mol% polyoxyethylene), an organosiloxane polymer (B), and hydrophobic silica (C). 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SOLUTION: This defoaming agent composition contains the polyoxyalkylene compound (A) shown by the general formula: R1-X-(Y)-Z-R2(wherein R1 and R2 are each a straight-chained or branched-chained 6-22C alkyl or alkenyl group independently; X and Z are each -CO- or -O- independently; Y is a polyoxyethylene-polyoxypropylene group and contains ≥50 mol% polyoxyethylene), an organosiloxane polymer (B), and hydrophobic silica (C). 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SOLUTION: This defoaming agent composition contains the polyoxyalkylene compound (A) shown by the general formula: R1-X-(Y)-Z-R2(wherein R1 and R2 are each a straight-chained or branched-chained 6-22C alkyl or alkenyl group independently; X and Z are each -CO- or -O- independently; Y is a polyoxyethylene-polyoxypropylene group and contains ≥50 mol% polyoxyethylene), an organosiloxane polymer (B), and hydrophobic silica (C). COPYRIGHT: (C)2004,JPO</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | IMPREGNATING OR COATING OF PAPER PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS SEPARATION TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G |
| title | DEFOAMING AGENT COMPOSITION |
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