JPS6155107A - Production of olefin/diene copolymer - Google Patents

Production of olefin/diene copolymer

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Publication number
JPS6155107A
JPS6155107A JP17671784A JP17671784A JPS6155107A JP S6155107 A JPS6155107 A JP S6155107A JP 17671784 A JP17671784 A JP 17671784A JP 17671784 A JP17671784 A JP 17671784A JP S6155107 A JPS6155107 A JP S6155107A
Authority
JP
Japan
Prior art keywords
olefin
butadiene
diene compound
fraction obtained
diene
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.)
Granted
Application number
JP17671784A
Other languages
Japanese (ja)
Other versions
JPH0372092B2 (en
Inventor
Mamoru Kuroda
黒田 護
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Idemitsu Petrochemical Co Ltd
Original Assignee
Idemitsu Petrochemical Co Ltd
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 Idemitsu Petrochemical Co Ltd filed Critical Idemitsu Petrochemical Co Ltd
Priority to JP17671784A priority Critical patent/JPS6155107A/en
Publication of JPS6155107A publication Critical patent/JPS6155107A/en
Publication of JPH0372092B2 publication Critical patent/JPH0372092B2/ja
Granted legal-status Critical Current

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  • Polymerisation Methods In General (AREA)
  • Polymerization Catalysts (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

PURPOSE:To produce at a high conversion the titled copolymer having a low degree of unsaturation and suited for use in tackifiers, softeners or the like, by copolymerizing an olefin with a diene compound in a specified ratio at a specified polymerization temperature. CONSTITUTION:A monomer mixture comprising 100pts.wt. olefin (e.g., isobutylene-based butane/butene fraction obtained by removing butadiene from a C4 fraction obtained from thermal cracking of petroleum) and 5-40pts.wt. diene compound (e.g., butadiene, isoprene or chloroprenene) is copolymerized at 30- 150 deg.C in the presence of about 0.2-1mol%, based on the olefin, Friedel-Crafts catalyst (e.g., aluminum chloride). A preferable polymerization process is a solution polymerization process carried out in the presence of a solvent such as hexane or heptane.

Description

【発明の詳細な説明】 本発明は、オレフィン−ジエン共重合体の製造方法に関
し、詳しくは特定の温度範囲で収率良く、不飽和度の低
いオレフィン−ジエン共重合体の効率良い製造方法に関
する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for producing an olefin-diene copolymer, and more particularly, to an efficient method for producing an olefin-diene copolymer with a high yield and a low degree of unsaturation within a specific temperature range. .

従来、イソブチレンなどのオレフィンとブタジェンなど
のジエン化合物とをフリーデルクラフト型触媒の存在下
に共重合してオレフィン−ジエン共重合体を製造するこ
とが知られている。ところが、従来の方法においてはゲ
ル状重合体の生成を抑制するため、重合温度は一り5℃
〜室温程度という低温度に抑え、かつ多量のジエンを使
用していた。したがって、オレフィンの転化率が低く、
しかも不飽和度も比較的高いものであった。
Conventionally, it has been known to copolymerize an olefin such as isobutylene and a diene compound such as butadiene in the presence of a Friedel-Crafts type catalyst to produce an olefin-diene copolymer. However, in conventional methods, the polymerization temperature is lowered to 5°C to suppress the formation of gel-like polymers.
The temperature was kept low, around room temperature, and a large amount of diene was used. Therefore, the olefin conversion rate is low,
Moreover, the degree of unsaturation was also relatively high.

そこで、本発明者は、これらの問題点を解消した製造方
法を開発すべく鋭意研究した結果、特定の配合量、かつ
特定の温度範囲で共重合を行なうと目的が達成されるこ
とを見い出し、この知見に基づいて本発明を完成した。
Therefore, as a result of intensive research to develop a production method that eliminates these problems, the present inventor discovered that the purpose could be achieved by carrying out copolymerization in a specific amount and within a specific temperature range. The present invention was completed based on this knowledge.

すなわち本発明は、オレフィン100重量部あたりジエ
ン系化合物を5〜40重量部の割合で加え、フリーデル
タラット型触媒の存在下、30〜150℃の温度で共重
合させることを特徴とするオレフィン−ジエン共重合体
の製造方法を提供するものである。
That is, the present invention provides an olefin, which is characterized in that a diene compound is added at a ratio of 5 to 40 parts by weight per 100 parts by weight of olefin, and copolymerized at a temperature of 30 to 150°C in the presence of a Friedelta-Rat type catalyst. A method for producing a diene copolymer is provided.

本発明の原料であるオレフィンとしては、種々のものが
使用される。具体的には、エチレン、プロピレン、ブテ
ンなどが挙げられる。特に石油の熱分解によって得られ
る炭素数4の留分からブタジェンを除いたイソブチレン
を主成分とするブタン−ブテン留分が好適である。なお
、原料のオレフィンは、ブタジェンを含むブタン−ブテ
ン留分て希釈し、濃度を調節して用いても良い。
Various kinds of olefins can be used as the raw material of the present invention. Specific examples include ethylene, propylene, and butene. Particularly suitable is a butane-butene fraction whose main component is isobutylene obtained by removing butadiene from a C4 fraction obtained by thermal decomposition of petroleum. Note that the raw material olefin may be diluted with a butane-butene fraction containing butadiene, and the concentration may be adjusted before use.

また、ジエン系化合物としては特に制限はなく、ブタジ
ェン、イソプレン、クロロブレン等が使用できる。
Further, the diene compound is not particularly limited, and butadiene, isoprene, chlorobrene, etc. can be used.

オレフィンとジエン系化合物との使用量については、特
に制限はないが、一般的にはオレフィン100重量部に
対してジエン系化合物を5〜40重量部、好ましくは1
0〜30重量部である。ジエン系化合物の使用量が5重
量部以下であると、共重合体としての特j生が不充分で
あり、40重量部を超えると、共重合反応においてゲル
状物質が多量に生成するため好ましくない。
There is no particular restriction on the amount of the olefin and diene compound used, but generally the diene compound is used in an amount of 5 to 40 parts by weight, preferably 1 part by weight, per 100 parts by weight of the olefin.
The amount is 0 to 30 parts by weight. If the amount of the diene compound used is less than 5 parts by weight, the properties of the copolymer will be insufficient, and if it exceeds 40 parts by weight, a large amount of gel-like material will be produced in the copolymerization reaction, so it is not preferable. do not have.

本発明に用いられるフリーデルクラフト型触媒としては
通常使用されるものであれば良く、特に制限はない。具
体的には塩化アルミニウム1塩化鉄、塩化スズ、塩化チ
タン、塩化亜鉛等があげられ、特に塩化アルミニウムが
好ましい。使用量は通常オレフィンに対して0.2〜1
.0モル%、好ま°シ<は0.5〜0.6モル%である
The Friedel-Crafts type catalyst used in the present invention is not particularly limited as long as it is commonly used. Specific examples include aluminum chloride, iron chloride, tin chloride, titanium chloride, and zinc chloride, with aluminum chloride being particularly preferred. The amount used is usually 0.2 to 1 per olefin.
.. 0 mol%, preferably 0.5 to 0.6 mol%.

本発明の共重合体の製造方法においては、無溶媒であっ
ても反応は進行するが、溶媒を用いることが好ましい。
In the method for producing a copolymer of the present invention, the reaction proceeds even without a solvent, but it is preferable to use a solvent.

溶媒としては飽和脂肪族炭化水素、例えばペンタン、ヘ
キサン、ヘプタンなどが使用できる。
As the solvent, saturated aliphatic hydrocarbons such as pentane, hexane, heptane, etc. can be used.

本発明は上記の如き原料を触媒存在下で溶媒を用いであ
るいは無溶媒下で共重合させる。
In the present invention, the above raw materials are copolymerized in the presence of a catalyst using a solvent or without a solvent.

共重合反応は反応温度30〜150℃、好ましくは50
〜110℃で行なう。この温度範囲において共重合反応
を行なうことにより高い転化率で低不飽和度のオレフィ
ン−ジエン共重合体が得られるのである。
The copolymerization reaction is carried out at a reaction temperature of 30 to 150°C, preferably 50°C.
Perform at ~110°C. By carrying out the copolymerization reaction in this temperature range, an olefin-diene copolymer with a high conversion rate and a low degree of unsaturation can be obtained.

他の反応条件は特に制限はなく、オレフィン。There are no particular restrictions on other reaction conditions, including olefin.

ジエン系化合物等の種類により適宜定めれば良い。It may be determined as appropriate depending on the type of diene compound, etc.

通常、反応圧力は1.0〜30.0kg/am” 、好
ましくは5〜25 kg / am ” 、反応時間5
〜120分間、好ましくは20〜60分間である。
Usually, the reaction pressure is 1.0 to 30.0 kg/am", preferably 5 to 25 kg/am", and the reaction time is 5.
-120 minutes, preferably 20-60 minutes.

反応終了後、触媒や未反応原料等の除去などの必要少後
処理を行ない、目的とするオレフィン−ジエン共重合体
を得る。
After the reaction is completed, necessary post-treatments such as removal of the catalyst and unreacted raw materials are carried out to obtain the desired olefin-diene copolymer.

本発明の方法では高い転化率でオレフィン−ジエン共重
合体が得られ、従来法で得られたものよりも不飽和度が
低く、樹脂あるいはゴム等の粘着付与剤、軟化剤などの
添加剤として好適に使用することができる。
The method of the present invention yields an olefin-diene copolymer with a high conversion rate, has a lower degree of unsaturation than those obtained by conventional methods, and can be used as an additive for tackifiers, softeners, etc. for resins or rubbers. It can be suitably used.

したがって、本発明はオレフィン−ジエン共重合体の製
造方法として極めて実用性の高いものである。
Therefore, the present invention is extremely practical as a method for producing an olefin-diene copolymer.

次に、本発明を実施例により詳しく説明する。Next, the present invention will be explained in detail with reference to examples.

実施例1 温度計、攪拌機、原料入口および触媒注入口を有するオ
ートクレーブを乾燥窒素で置換後、真空ポンプで減圧と
した。次いで、この中にブタン−ブテン留分100gお
よびブタジェン12gを仕込んだ。攪拌を行ないながら
分子量500のポリブテン30IIIlに分散させた塩
化アルミニウム1.OOgを10分間かけて滴下し、7
0℃で60分間反応を行なった。
Example 1 An autoclave having a thermometer, a stirrer, a raw material inlet, and a catalyst inlet was purged with dry nitrogen, and then the pressure was reduced using a vacuum pump. Next, 100 g of a butane-butene fraction and 12 g of butadiene were charged into this. 1. Aluminum chloride dispersed in 30IIIl of polybutene having a molecular weight of 500 while stirring. Drop OOg over 10 minutes,
The reaction was carried out at 0°C for 60 minutes.

反応終了後、内容物を水で洗浄し、続いて、5%水酸化
ナトリウム水溶液で洗浄して塩化アルミニウムを完全に
分解除去後、得られた油層に無水硫酸ナトリウム10g
を加えて24時間乾燥を行なった。その後、軽質分を2
0mmHg、100℃で蒸留除去して液状共重合体62
.0gを得た。このものの収量。
After the reaction is complete, the contents are washed with water and then with a 5% aqueous sodium hydroxide solution to completely decompose and remove aluminum chloride, and 10 g of anhydrous sodium sulfate is added to the resulting oil layer.
was added and dried for 24 hours. After that, add 2 portions of light ingredients.
Distilled at 0 mmHg and 100°C to obtain liquid copolymer 62.
.. Obtained 0g. Yield of this stuff.

転化率、平均分子量および臭素価を第1表に示す。The conversion rate, average molecular weight and bromine number are shown in Table 1.

なお、使用したブタン−ブテン留分の組成は次の通りで
ある。
The composition of the butane-butene fraction used is as follows.

イソブタン     5.2  重量%ノルマルブタン
  18.8  重量%1−ブテン    17.3 
 重量%イソブチン    42.9  重量%tra
s−2−ブテン  9.8  重量%cis −2−ブ
テン  5.6  重量%比較例1 実施例1において、反応温度を0℃としたことおよびブ
タジェンの使用量を45gとしたこと以外は実施例1と
同様にして共重合体75.8 gを得た。
Isobutane 5.2 wt% normal butane 18.8 wt% 1-butene 17.3
Weight% Isobutyne 42.9 Weight%tra
s-2-Butene 9.8 wt% Cis-2-butene 5.6 wt% Comparative Example 1 Example 1 except that the reaction temperature was 0°C and the amount of butadiene used was 45 g. 75.8 g of copolymer was obtained in the same manner as in Example 1.

結果を第1表に示す。The results are shown in Table 1.

実施例2 実施例1と同様のオートクレーブを乾燥窒素で置換後、
真空ポンプで減圧した。次いで、この中にブタン−ブテ
ン留分(実施例1と同じ)240gおよびイソプレン2
8.8gを仕込んだ。攪拌しなから、分子量500のポ
リブテン30mAに分散させた塩化アルミニウム1.0
0gを10分かけて滴下し、次いで100℃で60分間
反応を行なった。その後、実施例1と同様に処理して液
状共重合体60.1gを得。
Example 2 After replacing the same autoclave as in Example 1 with dry nitrogen,
The pressure was reduced using a vacuum pump. Next, 240 g of butane-butene fraction (same as in Example 1) and 2
8.8g was charged. Without stirring, 1.0 mA of aluminum chloride dispersed in 30 mA of polybutene having a molecular weight of 500.
0 g was added dropwise over 10 minutes, and the reaction was then carried out at 100° C. for 60 minutes. Thereafter, it was treated in the same manner as in Example 1 to obtain 60.1 g of a liquid copolymer.

た。このものの収量、転化率、平均分子量および臭素価
を第2表に示す。
Ta. The yield, conversion rate, average molecular weight and bromine number of this product are shown in Table 2.

比較例2 ぐ 実施例2において、反応温度を0℃としたことおよびイ
ソプレンの使用量を45.0 gとしたこと以外は実施
例2と同様にして共重合体69.0 g得た。
Comparative Example 2 69.0 g of a copolymer was obtained in the same manner as in Example 2, except that the reaction temperature was 0° C. and the amount of isoprene used was 45.0 g.

結果を第1表に示す。The results are shown in Table 1.

第1表 第2表 手続補正書(自発) 昭和59年10月1日Table 1 Table 2 Procedural amendment (voluntary) October 1, 1980

Claims (3)

【特許請求の範囲】[Claims] (1)オレフィン100重量部あたりジエン系化合物を
5〜40重量部の割合で加え、フリーデルクラフト型触
媒の存在下、30〜150℃の温度で共重合させること
を特徴とするオレフィン−ジエン共重合体の製造方法。
(1) Olefin-diene copolymerization characterized by adding a diene compound at a ratio of 5 to 40 parts by weight per 100 parts by weight of olefin and copolymerizing at a temperature of 30 to 150°C in the presence of a Friedel-Crafts type catalyst. Method for producing polymers.
(2)オレフィンが、石油の熱分解によって得られる炭
素数4の留分からブタジエンを除いたブタン−ブテン留
分である特許請求の範囲第1項記載の方法。
(2) The method according to claim 1, wherein the olefin is a butane-butene fraction obtained by removing butadiene from a C4 fraction obtained by thermal decomposition of petroleum.
(3)ジエン系化合物が、ブタジエン、イソプレン、ク
ロロプレンのいずれかである特許請求の範囲第1項記載
の方法。
(3) The method according to claim 1, wherein the diene compound is any one of butadiene, isoprene, and chloroprene.
JP17671784A 1984-08-27 1984-08-27 Production of olefin/diene copolymer Granted JPS6155107A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17671784A JPS6155107A (en) 1984-08-27 1984-08-27 Production of olefin/diene copolymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17671784A JPS6155107A (en) 1984-08-27 1984-08-27 Production of olefin/diene copolymer

Publications (2)

Publication Number Publication Date
JPS6155107A true JPS6155107A (en) 1986-03-19
JPH0372092B2 JPH0372092B2 (en) 1991-11-15

Family

ID=16018532

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17671784A Granted JPS6155107A (en) 1984-08-27 1984-08-27 Production of olefin/diene copolymer

Country Status (1)

Country Link
JP (1) JPS6155107A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4926705A (en) * 1972-07-07 1974-03-09
JPS51127191A (en) * 1976-03-24 1976-11-05 Ici Ltd Process for producing synthetic resin

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4926705A (en) * 1972-07-07 1974-03-09
JPS51127191A (en) * 1976-03-24 1976-11-05 Ici Ltd Process for producing synthetic resin

Also Published As

Publication number Publication date
JPH0372092B2 (en) 1991-11-15

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