JP2009509901A - モノシランの製造方法 - Google Patents
モノシランの製造方法 Download PDFInfo
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- JP2009509901A JP2009509901A JP2008532688A JP2008532688A JP2009509901A JP 2009509901 A JP2009509901 A JP 2009509901A JP 2008532688 A JP2008532688 A JP 2008532688A JP 2008532688 A JP2008532688 A JP 2008532688A JP 2009509901 A JP2009509901 A JP 2009509901A
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- reactor
- temperature
- trichlorosilane
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- countercurrent reactor
- Prior art date
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- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 34
- 239000005052 trichlorosilane Substances 0.000 claims abstract description 31
- 239000003054 catalyst Substances 0.000 claims abstract description 30
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000004821 distillation Methods 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000007323 disproportionation reaction Methods 0.000 claims abstract description 17
- 239000006200 vaporizer Substances 0.000 claims abstract description 15
- 229910003902 SiCl 4 Inorganic materials 0.000 claims abstract description 12
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000005049 silicon tetrachloride Substances 0.000 claims abstract description 11
- 230000003197 catalytic effect Effects 0.000 claims abstract description 9
- 238000010924 continuous production Methods 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 8
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 claims description 11
- 239000005046 Chlorosilane Substances 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 5
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 claims description 4
- 239000000047 product Substances 0.000 description 26
- 239000012071 phase Substances 0.000 description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 238000000066 reactive distillation Methods 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000003957 anion exchange resin Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229920001429 chelating resin Polymers 0.000 description 1
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
Description
−トリクロロシラン(A)を、上記に示されているように、有利には55〜65℃の範囲内の温度まで、特に60℃まで、1〜10bar abs.の圧力で、熱交換器(7)によって予熱し、かつ触媒(3)を提供されている向流反応器(1)に供給し、
−向流反応器(1)において形成された生成混合物を、−25〜50℃、有利には−25〜−15℃の範囲内の温度で、縮合体を向流反応器(1)中に逆流させながら、冷却器(5)によって少なくとも部分的に凝縮し、
−冷却器(5)において凝縮されない生成物相を、−110〜−40℃の範囲内の温度℃で操作される冷却装置(8)に通過させ、
−冷却装置(8)からの揮発性生成物相を、−60〜−170℃の範囲内の温度で操作される蒸留塔(9)に供給し、有利に約99.5%の純度を有するモノシラン(C)を、蒸留塔(9)の塔頂部で排出し、
−向流反応器(1)からのSiCl4を含有する塔底物を、気化器装置(6)中で60〜110℃、有利には70〜90℃の範囲内の温度まで昇温させ、
−気化器(6)からの塔底生成物を、向流反応器(1)の二重壁(2)中に熱交換器(7)を介して運搬し、かつSiCl4を含有する生成物流(B)を、反応器(1)の上部域でのレベルで排出する
場合に、化学量論的に可能な収率の98.6%までの使用されたケイ素に対して優れた収率で、副産物テトラクロロシランと共に、トリクロロシランの触媒不均化による比較的単純かつ経済的方法で、作業温度及び1〜50bar abs.、有利には2〜20bar abs.、特に有利には3〜15bar abs.、特に4〜10bar abs.の圧力で、連続的に製造されうることが見出された。
・二重壁(2)を有する向流反応器(1)、
・向流反応器(1)中に位置し、かつ触媒(3)を備えている少なくとも1種類の触媒層(4)、
・向流反応器(1)の塔頂部にある冷却器(5)、
・向流反応器(1)の塔底部にある気化器(6)、
・向流反応器(1)中にトリクロロシランの導入(7.1、7.2)のための少なくとも1種類のトリクロロシラン供給管路(A)、
・トリクロロシランが最初に熱交換器(7)を介した管路(7.1、7.2)によって運搬され、かつそこで予熱され、そして気化器(6)からの塔底生成物が、二重壁(2)中に向流反応器(1)の下部でのレベルで管路(6.1、6.2)により熱交換器(7)を介して供給され、二重壁(2)から向流反応器(1)の上部でのレベルで排出される、すなわち四塩化ケイ素(B)が排出される熱交換器(7)、
・装置(5)の下流に設置された冷却装置(8)、並びに
・モノシラン(C)の流出口を有する
・二次蒸留塔(9)
に対して、作業温度及び1〜50bar abs.の圧力で、トリクロロシランの触媒不均化によるモノシラン及びテトラクロロシランの連続的生産のためのプラントを提供する。
−トリクロロシラン(A)を、熱交換器(7)中で予熱し、触媒(3)を備えた向流反応器(1)に供給し、
−向流反応器(1)において形成された生成混合物を、凝縮物を向流反応器(1)中に逆流させ、−25℃〜50℃の範囲内の作業温度で冷却器(5)によって少なくとも部分的に凝縮し
−冷却器(5)において凝縮されなかった生成物相を、−40℃〜−110℃の範囲内の温度で操作される冷却装置(8)に通過させ、
−冷却装置(8)からの揮発性生成物を、−60〜−170℃の範囲内の温度で操作される蒸留塔(9)に供給し、モノシラン(C)を蒸留塔(9)の塔頂部で排出し、
−向流反応器(1)からのSiCl4を含有する残留物を、気化器(6)において、60〜110℃、有利には70〜90℃の範囲内の作業温度にさせ、かつ
−気化器(6)からの残留生成物を、向流反応器(1)の二重壁(2)中に熱交換器(7)を介して運搬し、SiCl4を含有する生成物流を、反応器(1)の上部領域でのレベルで排出する。
本発明の方法は、図1における好適な実施態様のような原理において示されたプラント中の製造条件下で試験され、かつ好ましい操作方法は、前述されている。技術水準のトリクロロシラン(98.8%)は、出発物質として使用された。陰イオン交換樹脂Amberlyst21は、触媒として使用された。トリクロロシランの消費量は、700kg/hourであった。
2 二重壁
3 触媒
4 触媒層
5 冷却器
6 気化器
7 熱交換器
8 冷却装置
9 蒸留塔
10 分離填材
11 分離板
A トリクロロシラン
B 四塩化ケイ素
C モノシラン
Claims (17)
- 作業温度及び1〜50bar abs.の圧力でトリクロロシランの触媒不均化によるモノシラン及びテトラクロロシランの連続的生産のためのプラントであって、その際、以下の装置:
・二重壁(2)を有する向流反応器(1)、
・向流反応器(1)中に配置され、かつ触媒(3)を備える少なくとも1つの触媒層(4)、
・向流反応器(1)の塔頂部にある冷却器(5)、
・向流反応器(1)の塔底部にある気化器(6)、
・向流反応器(1)中にトリクロロシランの導入(7.1、7.2)のための少なくとも1つのトリクロロシラン供給管路(A)、
・トリクロロシランが最初に熱交換器(7)を介して管路(7.1、7.2)により運搬され、かつそこで予熱され、そして気化器(6)からの塔底生成物が、向流反応器(1)の下部でのレベルで熱交換器(7)を介して管路(6.1、6.2)により二重壁(2)中に供給され、かつ二重壁(2)から向流反応器(1)の上部でのレベルで排出される熱交換器(7)、
・装置(5)の下流に設置された冷却装置(8)、並びに
・モノシラン(C)の流出口を有する
・二次蒸留塔(9)
に基づくプラント。 - 触媒層(4)として少なくとも1つの管状要素(4.1)によって特徴付けられる、請求項1に記載のプラント。
- 向流反応器(1)の中間域又は反応域中に導入する1つ以上のトリクロロシラン供給管路(A)によって特徴付けられる、請求項1又は2に記載のプラント。
- トリクロロシラン(A)の注入口が、固定された触媒層の下方で及び/又は触媒層の中間の高さで配置されることを特徴とする、請求項3に記載のプラント。
- 管路(8.2)が、冷却装置(8)の底部から向流反応器(1)の上部中に導びかれていることを特徴とする、請求項1から4までのいずれか1項に記載のプラント。
- 分離板(10)及び/又は分離填材(11)が、向流反応器(1)の1つ以上の領域中に配置されていることを特徴とする、請求項1から5までのいずれか1項に記載のプラント。
- 蒸留塔(9)が、分離板(10)及び/又は分離填材(11)を備えていることを特徴とする、請求項1から6までのいずれか1項に記載のプラント。
- 請求項1に記載のプラントにおける操作温度及び1〜50bar abs.の圧力でのトリクロロシランの触媒不均化によるモノシラン及び四塩化ケイ素の連続的生産方法であって、その際、
−トリクロロシラン(A)を、上記に示されているように、1〜10bar abs.の圧力で、熱交換器(7)において予熱し、かつ触媒(3)を備えている向流反応器(1)に供給し、
−向流反応器(1)において形成された生成混合物を、−25〜50℃の範囲内の温度で、縮合体を向流反応器(1)中に逆流させ、冷却器(5)によって少なくとも部分的に凝縮し、
−冷却器(5)において凝縮されない生成物相を、−40〜−110℃の範囲内の温度℃で操作される冷却装置(8)に通過させ、
−冷却装置(8)からの揮発性生成物を、−60〜−170℃の範囲内の温度で操作される蒸留塔(9)に供給し、かつモノシラン(C)を、蒸留塔(9)の塔頂部で排出し、
−向流反応器(1)からのSiCl4を含有する残留物を、気化器装置(6)において、60〜110℃の範囲内の操作温度まで昇温させ、並びに
−気化器(6)からの残留生成物を、向流反応器(1)の二重壁(2)中に熱交換器(7)を介して運搬し、かつSiCl4を含有する生成物流(B)を、反応器(1)の上部でのレベルで排出する、上記の連続的生産方法。 - 前記方法が、1〜10bar abs.の範囲内の圧力で操作されることを特徴とする、請求項8に記載の方法。
- 向流反応器(1)が、触媒層(4)の領域において、70〜90℃の範囲内の温度及び1〜10bar abs.の圧力で操作されることを特徴とする、請求項8又は9に記載の方法。
- 向流反応器(1)において形成された生成混合物が、−25〜−10℃の範囲の温度及び1〜10bar abs.の圧力で冷却器(5)によって部分的に凝縮されることを特徴とする、請求項8から10までのいずれか1項に記載の方法。
- 冷却器(5)において凝縮されない生成物相が、60質量%以上のモノシラン含有率に調整されることを特徴とする、請求項8から11までのいずれか1項に記載の方法。
- 冷却装置(8)が、−60℃以下の温度及び1〜10bar abs.の圧力で操作されることを特徴とする、請求項8から12までいずれか1項に記載の方法。
- 冷却器(8)において得られたクロロシラン含有凝縮物が、向流反応器(1)に再循環されることを特徴とする、請求項8から13までのいずれか1項に記載の方法。
- 冷却装置(8)からの揮発性生成物相が、質量%のクロロシラン含有率まで調整され、かつ圧縮され、その際、該装置(8)を5〜10bar abs.の圧力で操作することを特徴とする、請求項8から14までのいずれか1項に記載の方法。
- 蒸留塔(9)が、−90〜−110℃の範囲内の温度及び1〜10bar abs.の圧力で操作されることを特徴とする、請求項8から15までのいずれか1項に記載の方法。
- 気化器(6)からの高温の残留生成物が、管路(6.1)、熱交換器(7)及び管路(6.2)を介して向流反応器(1)の二重壁(2)中に反応器(1)の下方領域でのレベルで運搬され、かつSiCl4を含有する生成物流(B)が、反応器(1)の上部でのレベルで排出されることを特徴とする、請求項8から16までのいずれか1項に記載の方法。
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JP2013500927A (ja) * | 2009-08-04 | 2013-01-10 | シュミット シリコン テクノロジー ゲゼルシャフト ミット ベシュレンクテル ハフツング | モノシランを製造するための設備および方法 |
JP2014508705A (ja) * | 2011-02-14 | 2014-04-10 | エボニック デグサ ゲーエムベーハー | モノクロロシラン、その製造方法および装置 |
JP2014531379A (ja) * | 2011-06-28 | 2014-11-27 | エムイーエムシー・エレクトロニック・マテリアルズ・インコーポレイテッドMemc Electronic Materials,Incorporated | 気泡塔でシランを製造する方法 |
Also Published As
Publication number | Publication date |
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CN101466463B (zh) | 2012-07-18 |
KR20080065971A (ko) | 2008-07-15 |
ES2317557T3 (es) | 2009-04-16 |
US20090155156A1 (en) | 2009-06-18 |
US8105564B2 (en) | 2012-01-31 |
EP1928591A1 (en) | 2008-06-11 |
BRPI0616443A2 (pt) | 2011-06-21 |
JP4922303B2 (ja) | 2012-04-25 |
RU2403964C2 (ru) | 2010-11-20 |
WO2007039326A1 (en) | 2007-04-12 |
DE102005046105B3 (de) | 2007-04-26 |
DE602006003667D1 (de) | 2008-12-24 |
CA2624534A1 (en) | 2007-04-12 |
NO20081913L (no) | 2008-04-22 |
CN101466463A (zh) | 2009-06-24 |
UA89438C2 (ru) | 2010-01-25 |
ATE413918T1 (de) | 2008-11-15 |
RU2008116147A (ru) | 2009-11-10 |
EP1928591B1 (en) | 2008-11-12 |
CA2624534C (en) | 2012-11-27 |
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