JP3553315B2 - シラン化ケイ酸、その製法及びそれを含有する低い降伏価を有する低粘度ポリマー系 - Google Patents

シラン化ケイ酸、その製法及びそれを含有する低い降伏価を有する低粘度ポリマー系 Download PDF

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JP3553315B2
JP3553315B2 JP10693797A JP10693797A JP3553315B2 JP 3553315 B2 JP3553315 B2 JP 3553315B2 JP 10693797 A JP10693797 A JP 10693797A JP 10693797 A JP10693797 A JP 10693797A JP 3553315 B2 JP3553315 B2 JP 3553315B2
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silicic acid
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ハルトマン ヴェルナー
マイアー ユルゲン
ヤコブゼン ハウケ
ヘニッヒ トーマス
カルベ ヘニング
シャハテリ ウーヴェ
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00Nanotechnology for materials or surface science, e.g. nanocomposites
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    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
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    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT 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
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/28Compounds of silicon
    • C09C1/30Silicic acid
    • C09C1/3081Treatment with organo-silicon compounds
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/42Gloss-reducing agents
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09GPOLISHING COMPOSITIONS; SKI WAXES
    • C09G1/00Polishing compositions
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00Materials not provided for elsewhere
    • C09K3/10Materials in mouldable or extrudable form for sealing or packing joints or covers
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/64Nanometer sized, i.e. from 1-100 nanometer
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    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
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    • C01P2006/11Powder tap density
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    • C01P2006/12Surface area
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    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/19Oil-absorption capacity, e.g. DBP values
    • CCHEMISTRY; METALLURGY
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    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2200/00Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K2200/02Inorganic compounds
    • C09K2200/0243Silica-rich compounds, e.g. silicates, cement, glass
    • C09K2200/0247Silica

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
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  • Composite Materials (AREA)
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  • Wood Science & Technology (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Silicon Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Paints Or Removers (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、低粘稠化性シラン化ケイ酸、その製法及びその使用に関する。
【0002】
【発明が解決しようとする課題】
本発明の課題は、低粘稠化性シラン化ケイ酸、その製法を発見することであった。
【0003】
【課題を解決するための手段】
本発明の目的は、次の物理学的−化学的特性を有するシラン化ケイ酸である:
比表面積(m/g) 80〜400、
一次粒度(nm) 7〜40、
タップ密度(g/l) 50〜300、
pH 3〜10、
炭素含有率(%) 0.1〜15、
DBP−数(%) <200。
【0004】
本発明のもう1つの目的は、低粘稠化性シラン化ケイ酸の製法であり、それは、適当な混合容器中のケイ酸に、激しい混合下に、場合により、先ず水又は希酸を、引き続き、表面変性反応薬又は数種の表面変性反応薬からなる混合物を噴霧し、15〜30分、後撹拌し、100〜400℃の温度で、1〜6時間熱処理し、引き続き、疎水性シラン化ケイ酸を、機械的作用により(例えば、ボールミル中で)破壊/圧縮し、かつミル(例えば、エアジェットミル、ピンディスクミル)中で後粉砕することを特徴とする。
【0005】
ケイ酸としては、有利に、SiClの炎内加水分解による高熱分解で製造されたケイ酸を使用することができる。
【0006】
表面変性反応薬としては、例えば、ヘキサメチルジシラザンを使用することができる。
【0007】
本発明のもう1つの目的は、本発明の低粘稠化性シラン化ケイ酸を、低い降伏価を有する低粘度のポリマー系、例えば、1−及び2−成分過酸化物縮合架橋性シリコーンゴム材料及び付加架橋性シリコーンゴム材料、接着剤、成形体、充填物等の製造のために使用すること、例えば、ラッカー、シート中でのつや消し剤として、フリーフロー剤(例えば、SAP、消火粉末)として、ケーブルゲル(Kabelgelen)の製造のために、液体プラスチック系及び反応樹脂(例えば、合成大理石、ポリマーコンクリート、義歯)中での抗沈降剤として、研磨剤及び/又は擦り磨き剤として使用することである。
【0008】
本発明の低粘稠化性シラン化ケイ酸は、次の利点を有する:
合成ケイ酸で強化されるポリマー系中で、初めて非常に高い充填率で、良好な機械的強度が達成される。これは、公知のケイ酸では、相応する充填物、成型物、複製物等の製造/コンパウンドの際の強化ケイ酸のその場の疎水によってのみ可能であった。この方法は、非常に時間がかかり、かつエネルギーを浪費する。
【0009】
本発明のケイ酸は、その僅かな粘稠化作用及び低い降伏価により、例えば、高い充填率及びそれによる良好な機械的強度を可能にする。前記の経費のかかるコンパウンドプロセスは、完全に除くことができる。
【0010】
本発明の方法は、連続的な方法実施に基づき、製品品質に乱れが生ずることが減るという利点を有する。
【0011】
【実施例】
Aerosil 200を、水4.3部及びHMDS(ヘキサメチルジシラザン)18.5部と混合し、かつ140℃に加熱する。引き続き、疎水性にシラン化されたケイ酸を、連続的に処理する垂直ボールミルで、約250g/lまで圧縮した。この後、このケイ酸を、エアジェットミルを用いて後粉砕する。
【0012】
得られたケイ酸は、次の特性を有する:
【0013】
【表1】
Figure 0003553315
【0014】
Figure 0003553315

Claims (1)

  1. 次の物理学的−化学的特性を有し、高熱分解で製造されたケイ酸を表面変性後に破壊して製造したシラン化ケイ酸:
    比表面積(m/g) 80〜400、
    一次粒度(nm) 7〜40、
    タップ密度(g/l) 50〜300、
    pH 3〜10、
    炭素含有率(%) 0.1〜15、
    DBP−数(%) <200。
JP10693797A 1996-04-26 1997-04-24 シラン化ケイ酸、その製法及びそれを含有する低い降伏価を有する低粘度ポリマー系 Expired - Lifetime JP3553315B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19616781A DE19616781A1 (de) 1996-04-26 1996-04-26 Silanisierte Kieselsäure
DE19616781.7 1996-04-26

Publications (2)

Publication Number Publication Date
JPH1087317A JPH1087317A (ja) 1998-04-07
JP3553315B2 true JP3553315B2 (ja) 2004-08-11

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EP (1) EP0808880B1 (ja)
JP (1) JP3553315B2 (ja)
KR (1) KR100260325B1 (ja)
CN (1) CN1083397C (ja)
CA (1) CA2203726C (ja)
DE (2) DE19616781A1 (ja)

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CN1167729A (zh) 1997-12-17
CN1083397C (zh) 2002-04-24
DE59709069D1 (de) 2003-02-13
KR970069878A (ko) 1997-11-07
KR100260325B1 (ko) 2000-07-01
DE19616781A1 (de) 1997-11-06
JPH1087317A (ja) 1998-04-07
CA2203726C (en) 2001-08-07
EP0808880B1 (de) 2003-01-08
EP0808880A2 (de) 1997-11-26
CA2203726A1 (en) 1997-10-26
EP0808880A3 (de) 1999-10-27

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