JPH072795B2 - Magnesium halide for transition metal catalyst carrier - Google Patents

Magnesium halide for transition metal catalyst carrier

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Publication number
JPH072795B2
JPH072795B2 JP62000114A JP11487A JPH072795B2 JP H072795 B2 JPH072795 B2 JP H072795B2 JP 62000114 A JP62000114 A JP 62000114A JP 11487 A JP11487 A JP 11487A JP H072795 B2 JPH072795 B2 JP H072795B2
Authority
JP
Japan
Prior art keywords
transition metal
metal catalyst
magnesium halide
catalyst carrier
carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP62000114A
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Japanese (ja)
Other versions
JPS63168411A (en
Inventor
浅沼  正
Original Assignee
三井東圧化学株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三井東圧化学株式会社 filed Critical 三井東圧化学株式会社
Priority to JP62000114A priority Critical patent/JPH072795B2/en
Publication of JPS63168411A publication Critical patent/JPS63168411A/en
Publication of JPH072795B2 publication Critical patent/JPH072795B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Catalysts (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明はオレフィンの重合用遷移金属触媒担体用の新規
なハロゲン化マグネシウムに関する。詳しくは特定のX
線回折線を有する結晶性のハロゲン化マグネシウムから
なるオレフィン重合用遷移金属触媒担体用ハロゲン化マ
グネシウムに関する。
The present invention relates to a novel magnesium halide for a transition metal catalyst carrier for olefin polymerization. See specific X
The present invention relates to a magnesium halide for a transition metal catalyst carrier for olefin polymerization, which comprises crystalline magnesium halide having a line diffraction line.

〔従来の技術〕[Conventional technology]

オレフィンの重合用にハロゲン化マグネシウムなどの担
体にハロゲン化チタンを担持してなる遷移金属触媒と有
機金属化合物からなる触媒を用いることは特公昭39−11
2105号で開示されて以来、種々の改良方法が提案されて
おり、優れた性能のものも知られている。
It is disclosed in Japanese Examined Patent Publication No. 39-11 that a transition metal catalyst in which a titanium halide is supported on a carrier such as magnesium halide and a catalyst composed of an organometallic compound are used for the polymerization of olefins.
Since the disclosure in No. 2105, various improved methods have been proposed, and those having excellent performance are also known.

〔発明が解決しようとする問題点〕[Problems to be solved by the invention]

上記改良方法は主として担体を得るに際して添加物を加
えて粉砕したり、或るいは担体として用いるハロゲン化
マグネシウムを溶剤に溶解せしめ次いで析出させること
により、遷移金属を担持してオレフィン重合用の触媒と
した時、優れた性能のものとなるように、担体をX線回
折によって測定された回折線が明確なピークを持たずハ
ロ−として観測されるようになるように処理することが
行われている。特に、溶解し、次いで析出する方法は優
れており、高活性の触媒を製造することが出来る(例え
ば、特開昭56−11908)。しかしながらこの方法は析出
剤を多量に必要とする上に繰り返しハロゲン化チタンで
処理しないと良好な活性のものが得られないという問題
がある。又、添加物を加えて粉砕する方法は、再現性良
く優れた性能の触媒を与えるのが困難である。
The above improving method is mainly to add a crusher to obtain a carrier and grind it, or dissolve magnesium halide used as a carrier in a solvent and then precipitate it to carry a transition metal and to form a catalyst for olefin polymerization. In order to obtain excellent performance, the carrier is treated so that the diffraction line measured by X-ray diffraction has no clear peak and is observed as halo-. . In particular, the method of dissolving and then precipitating is excellent, and a highly active catalyst can be produced (for example, JP-A-56-11908). However, this method has a problem that a large amount of a precipitant is required and that a product having good activity cannot be obtained unless it is repeatedly treated with titanium halide. Further, it is difficult to provide a catalyst with excellent reproducibility and excellent performance by the method of adding additives and pulverizing.

本発明者はこれらの問題を解決した新規な遷移金属触媒
担体用ハロゲン化マグネシウムついて鋭意検討したとこ
ろ、特定の結晶性の回折線を与えるハロゲン化マグネシ
ウムがオレフィン重合用遷移金属触媒担体用として極め
て優れていることを見出し本発明を完成した。
The inventors of the present invention have made extensive studies on a novel magnesium halide for a transition metal catalyst carrier which has solved these problems, and a magnesium halide giving a diffraction line of specific crystallinity is extremely excellent for a transition metal catalyst carrier for olefin polymerization. Therefore, the present invention has been completed.

〔問題点を解決するための手段〕[Means for solving problems]

即ち、本発明はX線回折によって測定された回折線とし
て7.38Å付近に最大強度を有し7.98、5.32、3.57、3.4
7、3.26、2.90Å付近に比較的強い回折線を与える結晶
性のMgBrClからなるオレフィン重合用遷移金属触媒担体
用ハロゲン化マグネシウムである。
That is, the present invention has a maximum intensity near 7.38Å as a diffraction line measured by X-ray diffraction and is 7.98, 5.32, 3.57, 3.4.
It is a magnesium halide for a transition metal catalyst carrier for olefin polymerization, which is composed of crystalline MgBrCl which gives a relatively strong diffraction line in the vicinity of 7, 3.26 and 2.90Å.

本発明において、ハロゲン化マグネシウムとしては、そ
のX線回折スペクトルが特定のところ、即ち、7.38Å付
近に最大強度を有し、7.98、5.32、3.57、3.26、2.90Å
付近に比較的強い回折線を有するものであるかぎり特に
その製法に制限はないが例えば次のような製法が例示で
きる。
In the present invention, as the magnesium halide, its X-ray diffraction spectrum has a specific intensity, that is, it has a maximum intensity in the vicinity of 7.38Å, 7.98, 5.32, 3.57, 3.26, 2.90Å
The manufacturing method is not particularly limited as long as it has a relatively strong diffraction line in the vicinity, but the following manufacturing method can be exemplified.

一般式R1MgBr(式中、R1は炭化水素残基である。)で表
わされるグリニャール試薬(このグリニャール試薬は、
良く知られているようにR1Brであらわされる臭素化炭化
水素化合物と金属マグネシウムをエーテル等の存在下に
反応せしめることで得られる。)と一般式R2Cl(式中、
R2は炭化水素残基である。)であらわされる塩素化炭化
水素化合物を反応せしめることにより、容易に上に定義
した結晶性のMgBrClがえられる。。ここで上述の臭化炭
化水素化合物、塩素化炭化水素化合物の炭化水素残基と
しては脂肪族、脂環族、芳香族炭化水素残基等のどのよ
うなものでも良く、特に制限はないが、炭素数1〜20度
のものを用いるのが一般的である。
The Grignard reagent represented by the general formula R 1 MgBr (wherein R 1 is a hydrocarbon residue) (this Grignard reagent is
As is well known, it can be obtained by reacting a brominated hydrocarbon compound represented by R 1 Br with metallic magnesium in the presence of ether or the like. ) And the general formula R 2 Cl (where
R 2 is a hydrocarbon residue. By reacting a chlorinated hydrocarbon compound represented by (1), crystalline MgBrCl defined above can be easily obtained. . Here, the above-mentioned brominated hydrocarbon compound, the hydrocarbon residue of the chlorinated hydrocarbon compound may be any of aliphatic, alicyclic, aromatic hydrocarbon residues, etc., but is not particularly limited, It is common to use one having 1 to 20 carbon atoms.

グリニャール試薬と塩素化炭化水素化合物の反応は通常
媒体として用いたエーテル類の沸点で行えば充分に反応
は進行する。反応が進行するとMgBrClは媒体に不溶化し
析出してくるので濾過、或いは静置分離することで容易
にとりだすことができる。ここで、MgBrClとしては組成
が正確に1:1:1である必要はなく、そのX線回折スクト
ルが上述の条件を満足すればよい。
The reaction between the Grignard reagent and the chlorinated hydrocarbon compound proceeds sufficiently if it is carried out at the boiling point of the ether used as a medium. As the reaction proceeds, MgBrCl becomes insoluble and precipitates in the medium, and can be easily taken out by filtration or static separation. Here, the composition of MgBrCl does not need to be exactly 1: 1: 1 as long as the X-ray diffraction screen satisfies the above conditions.

こうして得られたMgBrClを遷移金属触媒用の担体として
用いる方法としては特に制限はないが、例えば液状のハ
ロゲン化チタンで処理することでオレフィン重合用の遷
移金属触媒とされる。ここで用いるハロゲン化チタンと
しては、好ましくは四塩化チタン、或いはエーテル等で
炭化水素溶剤に可溶化した三塩化チタン、さらには上記
チタン化合物の塩素の一部をアルコキシ基としたもの
(例えば、メトキシ、エトキシ、プロポキシ、ブトキ
シ、ペンチルオキシ等)が例示される。
The method of using the MgBrCl thus obtained as a carrier for a transition metal catalyst is not particularly limited, but a transition metal catalyst for olefin polymerization can be obtained, for example, by treating with liquid titanium halide. The titanium halide used here is preferably titanium tetrachloride, or titanium trichloride solubilized in a hydrocarbon solvent with ether or the like, and further, one in which a part of chlorine of the titanium compound is an alkoxy group (for example, methoxy). , Ethoxy, propoxy, butoxy, pentyloxy and the like).

具体的には、液状のハロゲン化チタンに単に上述のMgBr
Clを分散し撹拌することで行われる。接触処理の際の温
度としては通常、常温ないし200℃である。
Specifically, the above-mentioned MgBr was simply added to liquid titanium halide.
It is performed by dispersing Cl and stirring. The temperature during the contact treatment is usually room temperature to 200 ° C.

また、接触処理の際に、エーテル、エステル、アルコキ
シシランなどの含酸素有機化合物等の電子供与性化合物
を存在させることもできる。
Further, during the contact treatment, an electron donating compound such as an oxygen-containing organic compound such as ether, ester or alkoxysilane can be present.

本発明のハロゲン化マグネシウムを用いて得られた遷移
金属触媒を用いて重合できるオレフィンとしてはエチレ
ン、プロピレン、ブテン−1、ペンテン−1、ヘキセン
−1、オクテン−1、スチレン、ビニルナフタレンなど
が例示され、それらの単独重合或いは相互の共重合さら
にはジエンとの共重合などに用いられる。
Examples of the olefin that can be polymerized by using the transition metal catalyst obtained by using the magnesium halide of the present invention include ethylene, propylene, butene-1, pentene-1, hexene-1, octene-1, styrene and vinylnaphthalene. They are used for homopolymerization or mutual copolymerization thereof, and further for copolymerization with a diene.

〔実施例〕〔Example〕

以下、実施例を挙げ本発明を説明する。 Hereinafter, the present invention will be described with reference to examples.

実施例1 300mlの丸底フラスコにマグネシウム7.4g、ジエチルエ
ーテル20ml入れ、エーテルの還流下に臭化シクロヘキサ
ン50gとジエチルエーテル50mlの混合物を2時間かけて
滴下した。その後さらに1時間還流下撹拌処理し、C6H
11MgBrのジエチルエーテル溶液を調製した。
Example 1 A 300 ml round bottom flask was charged with 7.4 g of magnesium and 20 ml of diethyl ether, and a mixture of 50 g of cyclohexane bromide and 50 ml of diethyl ether was added dropwise over 2 hours under reflux of ether. After that, the mixture is further stirred for 1 hour under reflux and C 6 H
A solution of 11 MgBr in diethyl ether was prepared.

次いでジエチルエーテルの還流下に四塩化炭素15gを4
時間かけて加え、更に還流下に2時間撹拌した。
Then, under reflux of diethyl ether, 4 g of carbon tetrachloride (15 g) was added.
The mixture was added over time, and the mixture was further stirred under reflux for 2 hours.

次い室温でろ過し、固形分をジエチルエーテル洗浄し、
窒素気流で乾燥して、固形分40gを得た。得られた固形
分はMg:Cl:Brがほぼ1:1:1であり、MgBrClであった。ま
たX線回折の測定結果を第1図に示す。
Next, it is filtered at room temperature, the solid content is washed with diethyl ether,
It was dried with a nitrogen stream to obtain a solid content of 40 g. The resulting solids were MgBrCl with Mg: Cl: Br approximately 1: 1: 1. The measurement results of X-ray diffraction are shown in FIG.

上記固形分10gを200mlの丸底フラスコに入れ、四塩化チ
タン50ml、トルエン50mlを入れ、90℃で1時間撹拌処理
し、次いで静置して上澄を除去した。さらに四塩化チタ
ン50ml、トルエン50mlを入れ、90℃で1時間撹拌処理
し、次いで静置して上澄を除去し、得られた固形分をト
ルエンで7回洗浄して遷移金属触媒とした。分析の結果
はチタンを1.9wt%含有していた。
10 g of the above solid content was placed in a 200 ml round bottom flask, 50 ml of titanium tetrachloride and 50 ml of toluene were placed therein, and the mixture was stirred at 90 ° C. for 1 hour and then left to stand to remove the supernatant. Further, 50 ml of titanium tetrachloride and 50 ml of toluene were added, and the mixture was stirred at 90 ° C. for 1 hour, then left standing to remove the supernatant, and the obtained solid content was washed 7 times with toluene to obtain a transition metal catalyst. As a result of the analysis, titanium was contained at 1.9 wt%.

上記操作で得た遷移金属触媒を用いてエチレンを重合し
た。内容積2のオートクレーブにn−ヘプタン1入
れ、上記遷移金属触媒20mg、トリエチルアルミニウム0.
5mlを加え、水素を2Kg/cm2ゲージまで入れ、さらにエチ
レンを6Kg/cm2ゲージまで加えた後75℃に昇温し、10Kg/
cm2ゲージになるようにエチレンを追加しながら75℃で
2時間重合した。その後冷却し、未反応のエチレンをパ
ージした後ろ過して、ポリエチレンパウダーを得た。乾
燥秤量したところ360gであった。このパウダーの極限粘
度数は2.56(135℃テトラリン溶液で測定した。)、か
さ比重は0.48、粘度は200メッシュ以下の微粉4.5%、10
メッシュ以上の粗粒0.3%であった。Ti当たりの収率
は、947Kg/g−Tiであり、かさ比重も良好であり、粒度
分布も比較的シャープであった。
Ethylene was polymerized using the transition metal catalyst obtained by the above operation. 1 n-heptane was placed in an autoclave with an internal volume of 2, 20 mg of the above transition metal catalyst and 0.3 of triethylaluminum.
5 ml was added, hydrogen was added up to 2 kg / cm 2 gauge, ethylene was further added up to 6 kg / cm 2 gauge, and then the temperature was raised to 75 ° C. to 10 kg / cm 2.
Polymerization was carried out at 75 ° C. for 2 hours while adding ethylene to a cm 2 gauge. Then, the mixture was cooled, unreacted ethylene was purged, and then filtered to obtain polyethylene powder. It was 360 g when dried and weighed. This powder has an intrinsic viscosity of 2.56 (measured with a tetralin solution at 135 ° C), a bulk specific gravity of 0.48 and a fineness of less than 200 mesh 4.5%, 10%.
The coarse particles of the mesh or more were 0.3%. The yield per Ti was 947 Kg / g-Ti, the bulk specific gravity was good, and the particle size distribution was relatively sharp.

実施例2 実施例1において四塩化炭素にかえて四塩化硅素を用い
たところ同様に組成としてはMgBrClのハロゲン化マグネ
シウムが得られ、X線回折スペクトルは、7.38Åに最大
ピークがあり7.987、5.32、3.57、32.47、3.26、2.90Å
に比較的強い回折線がみられた。同様の操作でえられた
遷移金属触媒は、Ti当たり965Kg/g−Tiの活性であっ
た。
Example 2 In the same manner as in Example 1, except that carbon tetrachloride was replaced with silicon tetrachloride, magnesium halide MgBrCl having a similar composition was obtained, and the X-ray diffraction spectrum had a maximum peak at 7.38Å 7.987, 5.32. , 3.57, 32.47, 3.26, 2.90Å
A relatively strong diffraction line was observed at. The transition metal catalyst obtained by the same operation had an activity of 965 Kg / g-Ti per Ti.

(発明の効果) 本発明のハロゲン化マグネシウムはオレフィン重合用遷
移金属触媒用の担体として極めて優れており工業的に価
値がある。
(Effects of the Invention) The magnesium halide of the present invention is extremely excellent as a carrier for a transition metal catalyst for olefin polymerization and is industrially valuable.

【図面の簡単な説明】[Brief description of drawings]

第1図は本発明のハロゲン化マグネシウムのX線回折の
スペクトルを示す図面である。
FIG. 1 is a drawing showing an X-ray diffraction spectrum of the magnesium halide of the present invention.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】X線回折によって測定された回折線として
7.38Å付近に最大強度を有し7.98、5.32、3.57、3.47、
3.26、2.90Å付近に比較的強い回折線を与える結晶性の
MgBrClからなるオレフィン重合用遷移金属触媒担体用ハ
ロゲン化マグネシウム。
1. Diffraction lines measured by X-ray diffraction
Has maximum strength near 7.38Å, 7.98, 5.32, 3.57, 3.47,
3.26, which gives a relatively strong diffraction line near 2.90Å
Magnesium halide for transition metal catalyst support for olefin polymerization consisting of MgBrCl.
JP62000114A 1987-01-06 1987-01-06 Magnesium halide for transition metal catalyst carrier Expired - Lifetime JPH072795B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62000114A JPH072795B2 (en) 1987-01-06 1987-01-06 Magnesium halide for transition metal catalyst carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62000114A JPH072795B2 (en) 1987-01-06 1987-01-06 Magnesium halide for transition metal catalyst carrier

Publications (2)

Publication Number Publication Date
JPS63168411A JPS63168411A (en) 1988-07-12
JPH072795B2 true JPH072795B2 (en) 1995-01-18

Family

ID=11465029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62000114A Expired - Lifetime JPH072795B2 (en) 1987-01-06 1987-01-06 Magnesium halide for transition metal catalyst carrier

Country Status (1)

Country Link
JP (1) JPH072795B2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5846129A (en) * 1981-09-10 1983-03-17 帝人株式会社 Polyester composite crimped yarn and production thereof

Also Published As

Publication number Publication date
JPS63168411A (en) 1988-07-12

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