JP4896725B2 - シリコーン樹脂の粉末および/または離散ゲル粒子の形成方法、ならびにその方法に使用する装置 - Google Patents
シリコーン樹脂の粉末および/または離散ゲル粒子の形成方法、ならびにその方法に使用する装置 Download PDFInfo
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- JP4896725B2 JP4896725B2 JP2006534699A JP2006534699A JP4896725B2 JP 4896725 B2 JP4896725 B2 JP 4896725B2 JP 2006534699 A JP2006534699 A JP 2006534699A JP 2006534699 A JP2006534699 A JP 2006534699A JP 4896725 B2 JP4896725 B2 JP 4896725B2
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- WEHWNAOGRSTTBQ-UHFFFAOYSA-N dipropylamine Chemical compound CCCNCCC WEHWNAOGRSTTBQ-UHFFFAOYSA-N 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010291 electrical method Methods 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- UHSDHNXHBQDMMH-UHFFFAOYSA-L ethanolate;titanium(4+);dichloride Chemical group CCO[Ti](Cl)(Cl)OCC UHSDHNXHBQDMMH-UHFFFAOYSA-L 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium oxide Inorganic materials O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 1
- LMDQRKJROSLEEI-UHFFFAOYSA-N germanium(4+) propan-2-olate Chemical compound [Ge+4].CC(C)[O-].CC(C)[O-].CC(C)[O-].CC(C)[O-] LMDQRKJROSLEEI-UHFFFAOYSA-N 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
- CRNJBCMSTRNIOX-UHFFFAOYSA-N methanolate silicon(4+) Chemical compound [Si+4].[O-]C.[O-]C.[O-]C.[O-]C CRNJBCMSTRNIOX-UHFFFAOYSA-N 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 229910003455 mixed metal oxide Inorganic materials 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 238000002663 nebulization Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- MOWNZPNSYMGTMD-UHFFFAOYSA-N oxidoboron Chemical class O=[B] MOWNZPNSYMGTMD-UHFFFAOYSA-N 0.000 description 1
- PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical class [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 description 1
- IYVLHQRADFNKAU-UHFFFAOYSA-N oxygen(2-);titanium(4+);hydrate Chemical compound O.[O-2].[O-2].[Ti+4] IYVLHQRADFNKAU-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 235000020030 perry Nutrition 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000012070 reactive reagent Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000012686 silicon precursor Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 235000019351 sodium silicates Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005118 spray pyrolysis Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 description 1
- 229910000048 titanium hydride Inorganic materials 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 239000006163 transport media Substances 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000007704 wet chemistry method Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
- BNEMLSQAJOPTGK-UHFFFAOYSA-N zinc;dioxido(oxo)tin Chemical compound [Zn+2].[O-][Sn]([O-])=O BNEMLSQAJOPTGK-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Images
Classifications
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1845—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with particles moving upwards while fluidised
- B01J8/1863—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with particles moving upwards while fluidised followed by a downward movement outside the reactor and subsequently re-entering it
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/087—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J19/088—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1818—Feeding of the fluidising gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/42—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed subjected to electric current or to radiations this sub-group includes the fluidised bed subjected to electric or magnetic fields
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/16—Preparation of silica xerogels
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- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
- B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
- B01J2219/0809—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes employing two or more electrodes
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- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
- B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
- B01J2219/0824—Details relating to the shape of the electrodes
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- B01J2219/0828—Wires
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- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
- B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
- B01J2219/0824—Details relating to the shape of the electrodes
- B01J2219/0826—Details relating to the shape of the electrodes essentially linear
- B01J2219/083—Details relating to the shape of the electrodes essentially linear cylindrical
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- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
Description
i)ガスを、励起および/または不安定ガス種を形成させる手段中へと通し;
ii)該ガスを、該手段を離れていく時、該ガスが10℃〜500℃の温度において実質的に電荷を持たない励起および/または不安定ガス種を含むように処理し;
iii)ステップi)およびii)に付されていないガス状および/または液体前駆体を、該励起および/または不安定ガス種中へと、励起および/または不安定ガスを形成させる該手段の外側の下流領域において導入し、該前駆体と該励起および/または不安定ガス種との間の相互作用が結果的に、粉末および/または離散ゲル化粒子の形成に至り;
iv)結果的に得られてくる粉末および/または離散ゲル化粒子を収集する
ステップを含む。
(R’3SiO1/2)w(R’2SiO2/2)x(R’SiO3/2)p(SiO4/2)z
を持っており、式中、各R’が独立に、アルキル、アルケニル、アリール、H、OH、もしくは前段落に記載の基のいずれかであり、式中、w+x+p+z=1、w<0.9、x<0.9、p+z>0.1であるシリコーン樹脂が、本発明による方法により形成されてもよい。
R’’tM(OR’’’)y−t
を持っていてもよく、式中、Mが金属であり、yがアルコキシド基の最大数であり、該金属に結合していてもよく、tが0もしくは1〜yの整数であり、各R’’基が、アルキル、アルケニル、アリール、H、OH、アミノ基、アルデヒド基、ハロゲン化アルキル基、アルキン基、アミド基、カルバメート基、ウレタン基、有機塩、カルボン酸基および酸無水物基のようなこれらの誘導体、メルカプト基およびスルフィド基のようなボロン原子およびリンおよび硫黄含有基を含有する有機基、アミノ酸および/またはそれらの誘導体のようなグラフトもしくは共有結合生化学基、蛋白、酵素、およびDNAのようなグラフトもしくは共有結合生化学種から選択されてよく、各R’’’は同一もしくは異なっていて、直鎖もしくは分岐アルキル基であり、1〜10炭素原子を持っており、例えば、メチル、エチル、プロピル、イソプロピル、ブチル、t−ブチル、ペンチル、およびヘキシルのようなものである。適切な金属アルコキシドの例は例えば、チタンイソプロポキシド、錫t−ブトキシド、およびアルミニウムエトキシドを包含する。混合金属アルコキシドはまた、液体前駆体として使用されてもよく、例えば、インジウム錫アルコキシド、アルミニウムチタンアルコキシド、アルミニウムイットリウムアルコキシド、およびアルミニウムジルコニウムアルコキシドである。例えばジ−s−ブトキシアルミノキシトリエトキシシランのような金属+メタロイド混合アルコキシドも、利用されてよい。
アルケニル、アリール、H、OH、アミノ基、アルデヒド基、ハロゲン化アルキル基、アルキン基、アミド基、カルバメート基、ウレタン基、有機塩、カルボン酸基および酸無水物基のようなこれらの誘導体、メルカプト基およびスルフィド基のようなボロン原子およびリンおよび硫黄含有基を含有する有機基、アミノ酸および/またはそれらの誘導体のようなグラフトもしくは共有結合生化学基、蛋白、酵素、およびDNAのようなグラフトもしくは共有結合生化学種
の1種以上を含有する官能基化されたシランである。
流動床反応容器を、200mm平方4mm厚ポリカーボネートを用いて組み立てた。該反応容器は、およそ1mの高さの真っ直ぐな部分からなり、これは300mm平方の拡がる頭部を有し、これもまたおよそ1mの高さである。その底部は、およそ150mm×30mm断面の矩形スリットへと細くなっていく。表面での材料の堆積を避けるために、鉛直方向の角は、鉛直から20°以下へと限定される(つまり、該底部での最大円錐角は40°)。該ポリカーボネートは容易に、熱エア・ガンにより融合され、一緒にされた。
実施例1に記載のように、22.6の重合度(dp)を持っている液体ポリメチル水素シロキサン(M0.11DH 0.89)が連続的に、ネブライザーノズルを経由して、該流動床プラズマ反応容器中へとくべられ、流動され、大気プラズマ後放電の下流領域と、35分間接触させられた。励起および/または不安定種を提供するのに使用されたガスは、250L/分の速度で導入された空気であった。該プラズマ源へと供給された電力は、2,200Wであった。
実施例1に記載のように、1,3,5,7−テトラメチルシクロテトラシロキサンの1,3,5,7,9−ペンタメチルシクロペンタシロキサン中1:1.2混合物が連続的に、ネブライザーノズルを経由して、該流動床プラズマ反応容器中へとくべられ、流動され、大気プラズマ後放電の下流領域と、35分間接触させられた。励起および/または不安定種を提供するのに使用されたガスは、250L/分の窒素(N2)中400ppmの酸素(O2)であった。該後放電大気プラズマの電力は、2,200Wである。
Claims (8)
- シリコーン樹脂の粉末および/または離散ゲル粒子を、液体有機シリコン化合物からなる1種以上の前駆体から形成させる方法であって:
i)空気、窒素、酸素、水素、Ar、He、Ne、Xe、Krおよびこれらの混合物、窒素とO2との混合物、窒素とH2Oとの混合物、窒素とCO2との混合物、窒素とCOとの混合物、窒素と窒素酸化物との混合物、空気および窒素とH2との混合物、空気および窒素とCH4との混合物ならびに空気および窒素とNH3との混合物からなる群から選択されるガスを、10℃〜500℃の温度の大気圧非平衡プラズマシステム中へと通し、通過させることによって、該大気圧非平衡プラズマシステムの外側の下流領域に、電荷を持たない励起および/または不安定ガス種を形成するステップ;
ii)ステップ(i)に付されていない液体有機シリコン化合物からなる前駆体を、該下流領域のステップ(i)で形成された該電荷を持たない励起および/または不安定ガス種中へ導入し、該前駆体を該電荷を持たない励起および/または不安定ガス種と接触させ、粉末および/または離散ゲル化粒子を形成させるステップ;
iii)得られる粉末および/または離散ゲル化粒子を収集するステップ
を含む方法。 - 前記液体有機シリコン化合物からなる前駆体が、前記励起および/または不安定ガス種により、流動床もしくは循環床中において処理される請求項1に記載の方法。
- 前記励起および/または不安定ガス種を含む前記ガスが、流動床もしくは循環床において、粉末、離散ゲル粒子および/または液滴を浮遊させるためのガスとして利用される請求項2に記載の方法。
- 前記液体有機シリコン化合物からなる前駆体が、噴霧液体の形態で、前記励起および/または不安定ガス種中へ導入される請求項1〜3のいずれか1項に記載の方法。
- 前記液体有機シリコン化合物からなる前駆体が、0.65〜1,000mPa・sの粘度を持つ有機ポリシロキサンである請求項1〜4のいずれか1項に記載の方法。
- 前記シリコーン樹脂の粉末および/または離散ゲル化粒子の調製に引き続いて、前記粉末および/または離散ゲル化粒子が、前記励起および/または不安定ガス種、および/または、1種以上の官能基化する前駆体を用いて1回以上処理される請求項1〜5のいずれか1項に記載の方法。
- 請求項1〜5の方法によるシリコーン樹脂の粉末および/または離散ゲル粒子を調製するための装置であって、
電荷を持たない励起および/または不安定ガス種を形成させるための手段としての大気圧非平衡プラズマシステム(1)、
ステップ(i)に付されていない液体有機シリコン化合物からなる前駆体(50a、50b)を、該大気圧非平衡プラズマシステム(1)の外側の下流領域(11)のステップ(i)で形成された該電荷を持たない励起および/または不安定ガス種中へ導入するよう適応された手段、ならびに
得られるシリコーン樹脂の粉末および/または離散ゲル化粒子(52、54)を収集する手段
を含む装置。 - 前記装置が、流動床もしくは循環床(20)の一部を形成する請求項7に記載の装置。
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