DRAINAGE IMPROVER FOR BUILDING MATERIAL BOARDS AND METHOD FOR IMPROVING DRAINAGE
PROBLEM TO BE SOLVED: To provide: a drainage improver which improves drainage when producing fiber-mixed boards by a paper making process; and a simple method for improving drainage, which can shorten the curing time of the fiber mixed board produced by a papermaking process, impart high dimensional...
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Format | Patent |
Language | English Japanese |
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13.04.2017
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Abstract | PROBLEM TO BE SOLVED: To provide: a drainage improver which improves drainage when producing fiber-mixed boards by a paper making process; and a simple method for improving drainage, which can shorten the curing time of the fiber mixed board produced by a papermaking process, impart high dimensional accuracy to the products, and enables strength required as a product to be maintained.SOLUTION: Provided is a drainage improver used in producing fiber-mixed boards in building material boards by a papermaking process. The drainage improver comprises a linear chain cationic polymer and/or a cross-linked cationic polymer. In one embodiment, the cationic polymer includes alkenylamines or glycidylamines as constituent units. Provided is a method for improving drainage of fiber-mixed boards which, when producing fiber-mixed boards in the building material boards, includes addition of the drainage improver to a raw material slurry before paper-making of the fiber-mixed boards. Also provided is a method for improving drainage of fiber-mixed boards which includes addition of the drainage improver to a raw material slurry before paper-making of the fiber-mixed boards, followed further by addition of an anionic polymer compound.SELECTED DRAWING: None
【課題】繊維混入板の抄造製造時の濾水性を改善させる濾水向上剤、及び抄造された繊維混入板の養生・硬化時間を短縮でき、かつ、製造品の寸法精度が高く製品としての要求強度を維持できる簡便な濾水向上方法の提供【解決手段】建材ボードにおける繊維混入板の抄造製造に用いる濾水向上剤であって、直鎖型カチオンポリマー及び/又は架橋型カチオンポリマーを含有する濾水向上剤。カチオンポリマーがアルケニルアミン類又はグリシジルアミン類を構成単位として含有する濾水向上剤。建材ボードにおける繊維混入板の抄造製造時において、前記繊維混入板の抄造前原料スラリーに前記濾水向上剤を添加する繊維混入板の濾水向上方法。前記繊維混入板の抄造前原料スラリーに前記濾水向上剤を添加した後に、更にアニオン性高分子化合物を添加する繊維混入板の濾水向上方法。【選択図】なし |
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AbstractList | PROBLEM TO BE SOLVED: To provide: a drainage improver which improves drainage when producing fiber-mixed boards by a paper making process; and a simple method for improving drainage, which can shorten the curing time of the fiber mixed board produced by a papermaking process, impart high dimensional accuracy to the products, and enables strength required as a product to be maintained.SOLUTION: Provided is a drainage improver used in producing fiber-mixed boards in building material boards by a papermaking process. The drainage improver comprises a linear chain cationic polymer and/or a cross-linked cationic polymer. In one embodiment, the cationic polymer includes alkenylamines or glycidylamines as constituent units. Provided is a method for improving drainage of fiber-mixed boards which, when producing fiber-mixed boards in the building material boards, includes addition of the drainage improver to a raw material slurry before paper-making of the fiber-mixed boards. Also provided is a method for improving drainage of fiber-mixed boards which includes addition of the drainage improver to a raw material slurry before paper-making of the fiber-mixed boards, followed further by addition of an anionic polymer compound.SELECTED DRAWING: None
【課題】繊維混入板の抄造製造時の濾水性を改善させる濾水向上剤、及び抄造された繊維混入板の養生・硬化時間を短縮でき、かつ、製造品の寸法精度が高く製品としての要求強度を維持できる簡便な濾水向上方法の提供【解決手段】建材ボードにおける繊維混入板の抄造製造に用いる濾水向上剤であって、直鎖型カチオンポリマー及び/又は架橋型カチオンポリマーを含有する濾水向上剤。カチオンポリマーがアルケニルアミン類又はグリシジルアミン類を構成単位として含有する濾水向上剤。建材ボードにおける繊維混入板の抄造製造時において、前記繊維混入板の抄造前原料スラリーに前記濾水向上剤を添加する繊維混入板の濾水向上方法。前記繊維混入板の抄造前原料スラリーに前記濾水向上剤を添加した後に、更にアニオン性高分子化合物を添加する繊維混入板の濾水向上方法。【選択図】なし |
Author | IBAYA TETSUO |
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DocumentTitleAlternate | 建材ボード用濾水向上剤及び濾水向上方法 |
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Snippet | PROBLEM TO BE SOLVED: To provide: a drainage improver which improves drainage when producing fiber-mixed boards by a paper making process; and a simple method... |
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SubjectTerms | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE FIBREBOARD IMPREGNATING OR COATING OF PAPER LIME, MAGNESIA MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS ORFROM PAPIER-MACHE METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS REFRACTORIES SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SLAG TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TREATMENT OF NATURAL STONE WORKING CEMENT, CLAY, OR STONE |
Title | DRAINAGE IMPROVER FOR BUILDING MATERIAL BOARDS AND METHOD FOR IMPROVING DRAINAGE |
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