JP7046817B2 - 沈降炭酸カルシウム - Google Patents
沈降炭酸カルシウム Download PDFInfo
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- JP7046817B2 JP7046817B2 JP2018541131A JP2018541131A JP7046817B2 JP 7046817 B2 JP7046817 B2 JP 7046817B2 JP 2018541131 A JP2018541131 A JP 2018541131A JP 2018541131 A JP2018541131 A JP 2018541131A JP 7046817 B2 JP7046817 B2 JP 7046817B2
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/70—Inorganic compounds forming new compounds in situ, e.g. within the pulp or paper, by chemical reaction with other substances added separately
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/02—Amorphous compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/88—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by thermal analysis data, e.g. TGA, DTA, DSC
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
- D21H21/52—Additives of definite length or shape
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Description
a)水、0~120重量%(繊維重量に基づく)の、溶液中少なくとも1種の高帯電(highly charged)アニオン性ポリマー、1~100重量%(バッチの総乾燥重量に基づく)のCa(OH)2、及び0.1~95重量%(バッチの総乾燥重量に基づく)の天然繊維を混合する工程、
b)析出物を得るために、撹拌中に工程a)の混合物にCO2を供給する工程、
c)混合物を乾燥するか、又は工程b)で得られた析出固体をろ過する工程、
を含む、方法に関する。
石灰乳としてCa(OH)2、及びCO2(AGA、純度99.7%)を使用して、炭酸カルシウムを周囲温度(20~23℃)で析出させた。乾燥セルロースマイクロファイバー(Arbocel UFC100、JRS)(製造元によれば平均粒径8μmを有する)を強く混合しながら水に分散させた。ポリアクリル酸ナトリウム、Na-PAA(Sigma-Aldrich、M ~1800g/mol)を水に溶解し(2重量%、5重量%及び8重量%、可能な限り低濃度で反応バッチ中の目標濃度に到達するようにして)、使用直前に水で希釈した。
マイクロファイバー上に析出するナノクラスター及び結晶に関連する変数を、表1に列挙し、説明する。繊維は、析出反応において非反応性成分であるように見えるが、核生成を補助する能力に加えて、溶液の過飽和において重要であるが間接的な役割を果たす。これは、次のように説明される。
ポリマー添加剤なしで、マイクロファイバー上にCaCO3を、異なる繊維濃度(すなわち、0.5、1.0、2.0、3.0及び6.0重量%)で析出させた。目標のCa(OH)2濃度は、オーブン乾燥繊維に基づいて69重量%であった。ろ過されていない試料で、析出物を測定したところ、灰分(鉱物充填剤)の含有量は平均46.3重量%であった。この場合において、マイクロファイバーは灰分を提供しなかったため、鉱物充填剤の含有量と灰分含有量とは同義である。得られた灰分は、石灰乳が本質的に不純物又はCaCO3のような反応生成物を含まないと仮定して、重量損失に基づいて(TAPPI規格 T211om-02及びT413om-11を併用)、Ca(OH)2の変換効率は91mol%であった。
CaCO3結晶の形態を制御するためのPAAの使用は、以前に実証されており(非特許文献10:Huang他、2007年;非特許文献29:Ouhenia他、2008年;非特許文献43:Yu他、2004年)、また、CaCO3結晶をセルロース基材上に堆積した場合についても実証されている(非特許文献8:Hosoda及びKato、2001年;非特許文献25:Matahwa他、2008年)。しかし、我々の知る限りでは、セルロース繊維-Ca(OH)2-CO2系におけるPAAの効果はこれまで調査されていなかった。
XRDを用いて、10マイクロファイバー-PCC試料(沈降炭酸カルシウムの有無にかかわらず)を特徴付けた。回折像を13°~48°の2θの範囲で集めた。
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Claims (8)
- 天然繊維上に析出した安定な非晶質炭酸カルシウムを調製する方法であって、
a)水、40~120重量%(繊維重量に基づく)の、溶液中少なくとも1種の高帯電アニオン性ポリマー、1~100重量%(バッチの総乾燥重量に基づく)のCa(OH)2、及び0.1~95重量%(バッチの総乾燥重量に基づく)の天然繊維を混合する工程、
b)析出物を得るために、撹拌中に工程a)の混合物にCO2を供給する工程、
c)混合物を乾燥するか、又は工程b)で得られた析出固体をろ過する工程、
を含む、方法。 - 工程a)において、60~80重量%のCa(OH)2を用いる、請求項1に記載の方法。
- 高帯電アニオン性ポリマーが、ポリアクリル酸又はその塩である、請求項1又は2に記載の方法。
- 天然繊維として、0.5~5重量%のリグノセルロース繊維を用いる、請求項1~3のいずれか一項に記載の方法。
- 天然繊維として、0.5~1.5重量%のリグノセルロース繊維を用いる、請求項4に記載の方法。
- 天然繊維として、2.5~3.5重量%のリグノセルロース繊維を用いる、請求項4に記載の方法。
- 用いられる繊維が表面改質されていない、請求項1~6のいずれか一項に記載の方法。
- 前記繊維が、微結晶セルロース、ミクロフィブリル化セルロース、ナノセルロース、バクテリアセルロース、セルロースナノ結晶、又はそれらの混合物から選択される、請求項1~7のいずれか一項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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SE1650193A SE540790C2 (en) | 2016-02-12 | 2016-02-12 | Calcium carbonate precipitated on natural fibers and method for the production thereof |
SE1650193-4 | 2016-02-12 | ||
PCT/IB2017/050741 WO2017137941A1 (en) | 2016-02-12 | 2017-02-10 | Precipitated calcium carbonate |
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JP2019511443A JP2019511443A (ja) | 2019-04-25 |
JP7046817B2 true JP7046817B2 (ja) | 2022-04-04 |
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JP2018541131A Active JP7046817B2 (ja) | 2016-02-12 | 2017-02-10 | 沈降炭酸カルシウム |
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US (1) | US10927505B2 (ja) |
EP (1) | EP3414395A1 (ja) |
JP (1) | JP7046817B2 (ja) |
KR (1) | KR20180114024A (ja) |
CN (1) | CN108699774B (ja) |
CA (1) | CA3010703C (ja) |
SE (1) | SE540790C2 (ja) |
WO (1) | WO2017137941A1 (ja) |
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SE538770C2 (sv) * | 2014-05-08 | 2016-11-15 | Stora Enso Oyj | Förfarande för framställning av ett termoplastiskt fiberkompositmaterial och en väv |
CN108163878B (zh) * | 2018-01-10 | 2019-08-27 | 青州宇信钙业股份有限公司 | 一种中性透明硅酮胶生产用纳米碳酸钙的制备方法 |
CN112174182B (zh) * | 2020-10-13 | 2023-09-12 | 苏州英芮诚生化科技有限公司 | 一种水热法制备球形碳酸钡颗粒的方法 |
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JP2002510737A (ja) | 1998-04-03 | 2002-04-09 | アイメリーズ ピグメンツ, インコーポレーテッド | 沈殿炭酸カルシウムとその製法および用途 |
JP2005505708A (ja) | 2001-10-17 | 2005-02-24 | レール・リキード−ソシエテ・アノニム・ア・ディレクトワール・エ・コンセイユ・ドゥ・スールベイランス・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | 他の製紙用添加剤の存在下で改良された量の炭酸カルシウム充填材を含むセルロース製品 |
JP2006527151A (ja) | 2003-06-06 | 2006-11-30 | スペシャルティ ミネラルズ (ミシガン) インク. | 板状沈降炭酸カルシウムの製造法、それにより製造された生成物、及びそれを組み込んでいる紙 |
JP2008544104A (ja) | 2005-06-23 | 2008-12-04 | アムーレアル オサケ ユキチュア ユルキネン | 繊維ウェブの製造方法 |
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US5223090A (en) * | 1991-03-06 | 1993-06-29 | The United States Of America As Represented By The Secretary Of Agriculture | Method for fiber loading a chemical compound |
JPH06206741A (ja) * | 1992-10-20 | 1994-07-26 | Rohm & Haas Co | 安定なライムスラリー |
US5679220A (en) * | 1995-01-19 | 1997-10-21 | International Paper Company | Process for enhanced deposition and retention of particulate filler on papermaking fibers |
FI100729B (fi) | 1995-06-29 | 1998-02-13 | Metsae Serla Oy | Paperinvalmistuksessa käytettävä täyteaine ja menetelmä täyteaineen va lmistamiseksi |
AU2004303745B2 (en) * | 2003-12-22 | 2008-11-06 | Eka Chemicals Ab | Filler for papermaking process |
US8808503B2 (en) | 2009-02-02 | 2014-08-19 | John Klungness | Fiber loading improvements in papermaking |
SE538246C2 (sv) | 2012-11-09 | 2016-04-12 | Skikt för papp i en in-lineproduktionsprocess | |
JP2016507553A (ja) * | 2013-02-11 | 2016-03-10 | アモーフィカル リミテッド. | 骨成長を促進する非晶質炭酸カルシウム |
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2016
- 2016-02-12 SE SE1650193A patent/SE540790C2/en unknown
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2017
- 2017-02-10 WO PCT/IB2017/050741 patent/WO2017137941A1/en active Application Filing
- 2017-02-10 US US16/076,976 patent/US10927505B2/en active Active
- 2017-02-10 CA CA3010703A patent/CA3010703C/en active Active
- 2017-02-10 CN CN201780010039.3A patent/CN108699774B/zh active Active
- 2017-02-10 JP JP2018541131A patent/JP7046817B2/ja active Active
- 2017-02-10 KR KR1020187022304A patent/KR20180114024A/ko not_active Application Discontinuation
- 2017-02-10 EP EP17707671.8A patent/EP3414395A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002510737A (ja) | 1998-04-03 | 2002-04-09 | アイメリーズ ピグメンツ, インコーポレーテッド | 沈殿炭酸カルシウムとその製法および用途 |
JP2005505708A (ja) | 2001-10-17 | 2005-02-24 | レール・リキード−ソシエテ・アノニム・ア・ディレクトワール・エ・コンセイユ・ドゥ・スールベイランス・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | 他の製紙用添加剤の存在下で改良された量の炭酸カルシウム充填材を含むセルロース製品 |
JP2006527151A (ja) | 2003-06-06 | 2006-11-30 | スペシャルティ ミネラルズ (ミシガン) インク. | 板状沈降炭酸カルシウムの製造法、それにより製造された生成物、及びそれを組み込んでいる紙 |
JP2008544104A (ja) | 2005-06-23 | 2008-12-04 | アムーレアル オサケ ユキチュア ユルキネン | 繊維ウェブの製造方法 |
Also Published As
Publication number | Publication date |
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CN108699774B (zh) | 2021-12-14 |
CA3010703A1 (en) | 2017-08-17 |
EP3414395A1 (en) | 2018-12-19 |
SE1650193A1 (en) | 2017-08-13 |
US10927505B2 (en) | 2021-02-23 |
JP2019511443A (ja) | 2019-04-25 |
KR20180114024A (ko) | 2018-10-17 |
SE540790C2 (en) | 2018-11-13 |
US20190063000A1 (en) | 2019-02-28 |
CN108699774A (zh) | 2018-10-23 |
CA3010703C (en) | 2023-09-19 |
WO2017137941A1 (en) | 2017-08-17 |
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