JP5069237B2 - 増加した粘度および粉末度を有するセルロースエーテル製品を製造する方法 - Google Patents
増加した粘度および粉末度を有するセルロースエーテル製品を製造する方法 Download PDFInfo
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- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
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- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
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- C08J3/12—Powdering or granulating
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- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
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- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
- C08L1/28—Alkyl ethers
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- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
- C08L1/28—Alkyl ethers
- C08L1/284—Alkyl ethers with hydroxylated hydrocarbon radicals
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- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
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- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/02—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to polysaccharides
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0045—Polymers chosen for their physico-chemical characteristics
- C04B2103/0049—Water-swellable polymers
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- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/44—Thickening, gelling or viscosity increasing agents
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- C—CHEMISTRY; METALLURGY
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
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- C—CHEMISTRY; METALLURGY
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/08—Cellulose derivatives
- C08J2301/26—Cellulose ethers
- C08J2301/28—Alkyl ethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/08—Homopolymers or copolymers of acrylic acid esters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/18—Homopolymers or copolymers of nitriles
- C08L33/20—Homopolymers or copolymers of acrylonitrile
Description
(a)水分率が25〜75質量%の範囲の含水セルロースエーテルを、乾燥セルロースエーテル基準で0.1〜4質量%の粉末SAPと混合して、粉砕基剤(Mahlgutes)を作る工程、および
(b)粉砕基剤を乾燥および粉砕または粉砕乾燥(Mahltrocknung)する工程
からなる方法が、次の性質、すなわち
・先行技術(粉末配合物)と比較してより高い水溶液粘度(Viskositat in Wasser)および/または
・先行技術(粉末配合物)と比較してより高い粉末度(Feinheit)
を特色とするセルロースエーテル製品を提供することが今見いだされた。
a)セルロースエーテル、
b)乾燥セルロースエーテル基準で0.1〜4質量%のSAP、および
c)所望によりさらなる添加剤
を含むセルロースエーテル製品であって、
添加剤b)は、混合しながらそして適切な場合はさらなる水を加えて、含水セルロースエーテル質量基準で25〜75質量%の範囲の水分率を有する含水セルロースエーテルの中に粉末として計量添加されたことを特徴とするセルロースエーテル製品を提供する。
レーディゲ社(Lodige)製の300Lの鋤の刃混合機(Pflugscharmischer)の中で、含水メチルヒドロキシエチルセルロース(固形分62質量%、DS(M)1.42およびMS(HE)0.31)の33kgのバッチを、乾燥MHEC基準で1質量%のSAP粉末(表1参照)と30〜20℃で激しく混合し、生じる顆粒が72〜73質量%の範囲の顆粒水分率(全質量基準)を有するように水を噴霧する。続いて、顆粒を、上述した粉砕乾燥装置で、微粉砕すると同時に乾燥する。各操作を2度実行し、得られた製品を分析した。表1は、各々の場合(実施例2、4、6および8)における平均値を報告する。
レーディゲ社製の300Lの鋤の刃混合機の中で、含水メチルヒドロキシエチルセルロース(固形分62質量%、DS(M)1.33およびMS(HE)0.33)の33kgのバッチを、乾燥MHEC基準でSAP粉末(表2参照)と30〜20℃で激しく混合し、生じる顆粒が72〜73質量%の範囲の顆粒水分率(全質量基準)を有するように水を噴霧する。続いて、顆粒を、7つの粉砕トラックの代わりに5つの粉砕トラックを有する上述の粉砕乾燥装置で、微粉砕すると同時に乾燥する。5つの粉砕トラックの使用は、機械的エネルギー入力を減少させる。同時に、気体循環速度は、(粉砕機の下流で)(操作条件下で)毎時950〜1050立方メーターに設定する。入って来る輸送気体は、標準圧力で200〜230℃の範囲の温度を有する。粉砕の後、輸送気体の温度は120〜130℃の範囲にある。
造粒機の中で、1.60のDS(M)および0.16のMS(HP)を有するMHPCを、全質量基準で約55%の水を含む濾過ケークの形で、乾燥質量基準で0.0質量%または0.8質量%のDefosorb CL 200 ADと混合し、続いて、水で、全質量基準で約62質量%の水分率に調節した。生じた顆粒を、流動乾燥器(Stromtrockner)の中で約35質量%の水分率に乾燥し、続いて、ポールマン社(Pallmann)製コントラ・セレクター(Contra Selector)篩かご粉砕機の中で粉砕乾燥した。
Claims (8)
- 増加した粘度および粉末度のセルロースエーテル製品を調製する方法であって、該方法は、
(a)25〜75質量%の範囲の水分率を有する含水セルロースエーテルを、乾燥セルロースエーテル基準で0.5〜2質量%の粉末高吸収性重合体(SAP)と混合して、粉砕基剤を作る工程、および
(b)粉砕基剤を乾燥および粉砕または粉砕乾燥する工程
を含み、
前記粉末高吸収性重合体は、膨潤性であるが水には溶けず、架橋された部分的に中和されたポリアクリル酸であることを特徴とする方法。 - 含水セルロースエーテルが45〜65質量%の範囲の水分率を有することを特徴とする請求項1に記載の方法。
- さらなる添加物が工程(a)で加えられることを特徴とする請求項1または2に記載の方法。
- 粉砕基剤が、粉砕基剤の全質量を基準として45〜80質量%の範囲の水分率を有することを特徴とする請求項1〜3のいずれか1項に記載の方法。
- セルロースエーテルがメチルセルロースおよびメチルヒドロキシアルキルセルロースからなる群から選ばれることを特徴とする請求項1〜4のいずれか1項に記載の方法。
- 請求項1〜5のいずれか1項に記載の方法によって得ることができるセルロースエーテル製品。
- セルロースエーテル製品が、2.55s−1の剪断勾配および20℃において、2質量%水溶液で、40000mPasより大きい粘度を有することを特徴とする請求項6に記載のセルロースエーテル製品。
- 請求項6または7に記載のセルロースエーテル製品からなる建築材料用添加物。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102005038584 | 2005-08-16 | ||
DE102005038584.2 | 2005-08-16 | ||
PCT/EP2006/007679 WO2007019963A2 (de) | 2005-08-16 | 2006-08-03 | Verfahren zur herstellung von celluloseetherprodukten mit erhöhter viskosität und feinheit |
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JP2009504853A JP2009504853A (ja) | 2009-02-05 |
JP5069237B2 true JP5069237B2 (ja) | 2012-11-07 |
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US (1) | US7683110B2 (ja) |
EP (1) | EP1915425B1 (ja) |
JP (1) | JP5069237B2 (ja) |
KR (1) | KR101332459B1 (ja) |
CN (1) | CN101243131B (ja) |
AT (1) | ATE422524T1 (ja) |
AU (1) | AU2006281730A1 (ja) |
BR (1) | BRPI0616503A2 (ja) |
CA (1) | CA2617393A1 (ja) |
DE (1) | DE502006002836D1 (ja) |
MX (1) | MX2008002164A (ja) |
PL (1) | PL1915425T3 (ja) |
RU (1) | RU2008110055A (ja) |
TW (1) | TW200720343A (ja) |
WO (1) | WO2007019963A2 (ja) |
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DE102007016726A1 (de) * | 2007-04-07 | 2008-10-09 | Dow Wolff Cellulosics Gmbh | Methylhydroxyethylhydroxypropylcellulose (MHEHPC) in mineralisch gebundenen Baustoffsystemen |
EP2058336A1 (de) * | 2007-11-06 | 2009-05-13 | Dow Wolff Cellulosics GmbH | Ternäre Mischether |
GB0810404D0 (en) * | 2008-06-06 | 2008-07-09 | Manuka Medical Ltd | Compositions |
EP2177561B1 (de) | 2008-10-16 | 2017-11-22 | Dow Global Technologies LLC | Verweilen und Verteilen eines Aufgabegutes |
EP2177538A1 (en) | 2008-10-16 | 2010-04-21 | Dow Global Technologies Inc. | Cellulose ethers having little swelling and process for their production |
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BR112017024993A2 (pt) * | 2015-06-05 | 2018-08-07 | Dow Global Technologies Llc | ?método para produção de éter tipo metilcelulose em forma de pó?. |
BR102016021339A2 (pt) * | 2016-09-15 | 2016-11-29 | Ambitec S A | processo de tratamento e recuperação de lodo primário contaminado com cargas minerais gerado na indústria de celulosee papel e produto assim obtido |
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DE10304816A1 (de) * | 2003-02-06 | 2004-08-19 | Wolff Cellulosics Gmbh & Co. Kg | Celluloseether enthaltende Abmischungen mit erhöhtem Schüttgewicht, deren Verwendung in Baustoffsystemen sowie ein Verfahren zur Herstellung von Celluloseether enthaltenden Abmischungen mit erhöhtem Schüttgewicht |
DE10337012A1 (de) * | 2003-08-12 | 2005-03-10 | Wolff Cellulosics Gmbh & Co Kg | Celluloseetherzusammensetzung für die Extrusion mineralischer Formkörper sowie ein Verfahren zur Extrusion mineralischer Formkörper unter Verwendung dieser Celluloseetherzusammensetzung |
DE10352081A1 (de) * | 2003-11-07 | 2005-06-23 | Wolff Cellulosics Gmbh & Co. Kg | Lagerstabile Teilchenzusammensetzung aus Polysacchariden und/oder Polysaccharidderivaten und zumindestens einem synthetischen Polymerisat, ein Verfahren zu deren Herstellung sowie der Verwendung in Baustoffgemischen |
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- 2006-08-03 DE DE502006002836T patent/DE502006002836D1/de active Active
- 2006-08-03 PL PL06776584T patent/PL1915425T3/pl unknown
- 2006-08-03 EP EP06776584A patent/EP1915425B1/de active Active
- 2006-08-03 JP JP2008526402A patent/JP5069237B2/ja active Active
- 2006-08-03 AU AU2006281730A patent/AU2006281730A1/en not_active Abandoned
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- 2006-08-03 RU RU2008110055/04A patent/RU2008110055A/ru not_active Application Discontinuation
- 2006-08-03 KR KR1020087003706A patent/KR101332459B1/ko active IP Right Grant
- 2006-08-03 WO PCT/EP2006/007679 patent/WO2007019963A2/de active Application Filing
- 2006-08-03 CA CA002617393A patent/CA2617393A1/en not_active Abandoned
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Publication number | Publication date |
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ATE422524T1 (de) | 2009-02-15 |
JP2009504853A (ja) | 2009-02-05 |
CN101243131B (zh) | 2012-03-21 |
US7683110B2 (en) | 2010-03-23 |
WO2007019963A2 (de) | 2007-02-22 |
CA2617393A1 (en) | 2007-02-22 |
AU2006281730A1 (en) | 2007-02-22 |
BRPI0616503A2 (pt) | 2011-06-21 |
KR20080034470A (ko) | 2008-04-21 |
DE502006002836D1 (de) | 2009-03-26 |
MX2008002164A (es) | 2008-04-22 |
CN101243131A (zh) | 2008-08-13 |
RU2008110055A (ru) | 2009-09-27 |
WO2007019963A3 (de) | 2007-05-31 |
US20070088106A1 (en) | 2007-04-19 |
EP1915425B1 (de) | 2009-02-11 |
TW200720343A (en) | 2007-06-01 |
KR101332459B1 (ko) | 2013-11-25 |
PL1915425T3 (pl) | 2009-04-30 |
EP1915425A2 (de) | 2008-04-30 |
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