JPS58149904A - Production of modified polyethylene - Google Patents
Production of modified polyethyleneInfo
- Publication number
- JPS58149904A JPS58149904A JP3288482A JP3288482A JPS58149904A JP S58149904 A JPS58149904 A JP S58149904A JP 3288482 A JP3288482 A JP 3288482A JP 3288482 A JP3288482 A JP 3288482A JP S58149904 A JPS58149904 A JP S58149904A
- Authority
- JP
- Japan
- Prior art keywords
- polyethylene
- tris
- component
- hydroxyalkyl
- transparency
- 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.)
- Pending
Links
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】 本発明は改質ポリエチし・ンの製造法に関する。[Detailed description of the invention] The present invention relates to a method for producing modified polyethylene.
ポリエチレンは半透明な熱可塑性樹脂で樵々の優れた化
学的性質並びに物理的性質を有するが、厚肉に成形し友
ものは１通常半透明ないし不透明で、また耐熱変形性に
も劣るという欠点を有する。Polyethylene is a translucent thermoplastic resin with excellent chemical and physical properties, but it has the drawbacks of being molded into thick walls, usually being translucent or opaque, and having poor heat deformation resistance. has.
本発明の目的は、上述せるポリエチレンの欠点を改善す
る方法を提供するものである。The object of the present invention is to provide a method for improving the above-mentioned disadvantages of polyethylene.
本発明者らはポリエチレンを厚肉に成形した場合にも透
明性を失なわず、また耐熱変形性に讃れたポリエチレン
を得る方法に関して、詳細な研究を行なった結果、ポリ
エチレンにトリス（２−とドロキシエチル）イソシアヌ
レート等ノドリス（ヒドロキシエチル）イソシアヌレー
トのヒドロキシル基の一部または全部を不飽和−Ｉｎ基
酸でエステル化した化合物を加えて反応させたり、また
はポリエチレンに有機過酸化物を加えて反応させ喪りし
ても、いずれの場合にモ、ポリエチレンの透明性および
耐熱変形性はあまり改善されないが、ポリエチレ／にト
リス（ヒドロキシアルキルインシアヌレート）の不飽和
−塩基酸のエステルと有機過酸化物を添加して反応させ
た場合には、著しく、透明性および＊１熱変形性が改善
され、ポリエチレンを厚肉に成形しても透明性が保持さ
れ、耐熱変形性の優れた成形体が得られることを知り゛
９９本発明到達した。The present inventors conducted detailed research on a method for obtaining polyethylene that does not lose its transparency even when polyethylene is molded into a thick material and is highly resistant to heat deformation. and droxyethyl) isocyanurate by adding a compound in which some or all of the hydroxyl groups of Nodris (hydroxyethyl) isocyanurate are esterified with an unsaturated -In-based acid, or by adding an organic peroxide to polyethylene. Although the transparency and heat deformation resistance of polyethylene are not significantly improved even if the reaction is carried out, the ester of unsaturated basic acid of polyethylene/tris(hydroxyalkylin cyanurate) and the organic superoxide When an oxide is added and reacted, transparency and *1 heat deformability are significantly improved, and transparency is maintained even when polyethylene is molded into a thick wall, resulting in a molded product with excellent heat deformation resistance. I came to the present invention knowing that this can be obtained.
すなわち１本発明は。In other words, one aspect of the present invention is.
囚 ポリエチレン
（Ｂ））リス（ヒドロキシアルキル）イソシアヌレート
の不飽和−塩基酸のエステル
および
（Ｃ） 有機過酸化物
を囁参昏４ｇ５Ｓ＊に加熱して反応させることを特徴と
する改質ポリエチレンの製造法に−する。A modified polyethylene characterized by reacting polyethylene (B) with an unsaturated basic acid ester of lith(hydroxyalkyl)isocyanurate and (C) with an organic peroxide by heating to 4g5S*. To the manufacturing method.
ポリエチレンは、エチレンの重合体であシ。Polyethylene is a polymer of ethylene.
一部にプロピレン等の他の七ツマ−が共重合成分として
含まれていてもよい。A portion of the copolymer may also contain other heptamers such as propylene as a copolymer component.
トリス（ヒドロキシアルキル）インシアヌレートの不飽
和−塩基酸のエステル〔（Ｂ）成分〕は。The ester of unsaturated basic acid of tris(hydroxyalkyl)in cyanurate [component (B)] is:
トリス（ヒドロキシアルキル）インシアスレートのヒド
ロキシル基の一部また社全部と分子中に１個以上の炭素
−炭素不飽和結合を有する不飽和−塩基酸のカルボキシ
ル基の間でエステ轟結合反応を行なわせて得ることがで
きる。ここでトリス（ヒドロキシアルキル）インシアヌ
レートとしてＵ、）リス（ヒドロキシエチル）イインシ
アヌレート、トリス（ヒドロキシブチル）インシアヌレ
ート等があり、上記不飽和−−基酸として紘、アクリル
酸、メタアクリル酸、クロトン鈑、インクロトン酸、チ
グリン酸、アンゲリカ酸、ウンテシレン酸、オレイン酸
、リノール鈑、リルン酸などが単独にまえは二種以上用
いゆれる。An ester bonding reaction is carried out between some or all of the hydroxyl groups of tris(hydroxyalkyl)incia slate and the carboxyl group of an unsaturated basic acid having one or more carbon-carbon unsaturated bonds in the molecule. You can get it. Here, examples of tris(hydroxyalkyl)in cyanurate include U, )lis(hydroxyethyl)in cyanurate, tris(hydroxybutyl)in cyanurate, etc., and examples of the above-mentioned unsaturated-base acids include Hiro, acrylic acid, and methacrylic acid. Acid, crotonic acid, incrotonic acid, tiglic acid, angelic acid, untesylenic acid, oleic acid, linoleic acid, linoleic acid, etc. may be used alone or in combination of two or more.
（Ｂ）成分としては、トリス（ヒドロキシアルキル）イ
ンシアヌレートのアクリル酸および／ｌたはメタアクリ
ル酸のエステルが本発明で得られる改質ポリエチレンの
透明性および耐熱変形性の点で特に好ましい。As component (B), esters of acrylic acid and/or methacrylic acid of tris(hydroxyalkyl)in cyanurate are particularly preferred from the viewpoint of transparency and heat deformation resistance of the modified polyethylene obtained in the present invention.
（Ｂ）ｒｉｉ、分としてはモノエステル、ジエステルま
たはトリエステルがあるが本発明の効果を効率的に達成
するためには、トリエステルが８０重１ｉｉｓ以上含ま
れるのが好ましい。(B)rii, monoester, diester, or triester may be used, but in order to efficiently achieve the effects of the present invention, it is preferable that triester is contained in an amount of 80 weight 1iis or more.
（Ｂ）成分の使用量は、ポリ−エチレン［ｔＡ）成分３
１００重重部に対して、好ましくは、０．１重量部以上
１％に好ましくは、１〜５重量部の範囲内で使用される
。（Ｂ）成分が（Ａ）成分１００１賃部に対して０．１
重重部未満では、得られる改質ポリエチレンの耐熱変形
性が充分改畳妊れない傾向におる。The amount of component (B) used is poly-ethylene [tA] component 3.
It is preferably used in an amount of 0.1 part by weight or more to 1%, preferably 1 to 5 parts by weight, based on 100 parts by weight. (B) component is 0.1 per 1001 parts of (A) component
If the amount is less than the heavy weight part, the heat deformation resistance of the resulting modified polyethylene tends to be insufficient.
また９本発明で使用する有機過酸化物〔（Ｃ）成分〕と
してはジクミルパーオキサイド、（２，５−ジメチル２
．５−ジ（ターシャリ−ブチルパーオキシ）、ヘキシン
−３〕、λ５−ジメチル２．５−ジ（ターシャリ−ブチ
ルパーオキシ）ヘキサン〕、ジターシャリ−ブチルパー
オキサイド。9 The organic peroxides [component (C)] used in the present invention include dicumyl peroxide, (2,5-dimethyl 2
．． 5-di(tert-butylperoxy), hexyne-3], λ5-dimethyl 2,5-di(tert-butylperoxy)hexane], di-tert-butyl peroxide.
ターシャリ−ブチルクミルパーオキサイドなどの過酸化
物があけられる。これら、有機過酸化物〔（Ｃ）成分〕
を上記（Ｂ）成分と併用せずに使用した場合はポリエチ
レンの成形体内に気泡がみられ、完全に透明な成形体は
得られず、さらに添加量を増しても同様の欠点は免れな
いが、上記（Ｂ）成分と併用すれば、改質ポリエチレン
として。Peroxides such as tert-butyl cumyl peroxide can be used. These organic peroxides [component (C)]
When used without the above component (B), air bubbles are observed in the polyethylene molded product, and a completely transparent molded product cannot be obtained, and even if the amount added is increased, the same drawbacks cannot be avoided. , if used in combination with the above component (B), as modified polyethylene.
透明性、耐熱変形性の優れたものが得られる。A product with excellent transparency and heat deformation resistance can be obtained.
ここで有機過酸化物〔（Ｃ）成分〕はポリエチレン〔囚
成分〕１００重量部に対して、好ましくは。Here, the organic peroxide [component (C)] is preferably used based on 100 parts by weight of polyethylene [component].
０．０５重重部以上１％に好ましくａＯ，Ｓ〜５重蓋部
添加して反応させられる。（Ｃ１成分が囚成分１００電
量部に対して０．０５重１１１部未満で蝋。The reaction is preferably carried out by adding 0.05 parts by weight or more to 1% by weight of aO, S to 5 parts by weight. (Wax in which the C1 component is less than 0.05 parts by weight and 111 parts per 100 parts of coulometric component.
上記のように優れた特性の改質ポリエチレンが得にくく
なる傾向にある。As mentioned above, it tends to be difficult to obtain modified polyethylene with excellent properties.
なお、上記（Ｂ）および（Ｃ）成分の便用蓋がポリエチ
レン〔囚成分〕に対して多過ぎても、ポリエチレンの透
明性は損なわれないが経済的に得策ポリエチレン〔囚成
分〕の軟化点温反以上、好ましくは１００〜１２５℃に
昇温して混線し。Note that even if the amount of toilet lids containing the above components (B) and (C) is too large relative to the polyethylene (container component), the transparency of the polyethylene will not be impaired, but it is economically advisable to reduce the softening point of the polyethylene (container component). The temperature is raised to a temperature higher than 100°C, preferably 100 to 125°C, and crosstalk occurs.
この混線および１３０℃〜２５０℃での加熱は、それぞ
れ加熱ロールおよび加熱プレスを用いて竹なうと便利で
ある。−これによって２１１明性および耐熱変形性の改
善されたポリエチレンが成形体として得られる。It is convenient to perform this cross-wiring and heating at 130° C. to 250° C. using a heating roll and a heating press, respectively. - Polyethylene with improved 211 clarity and heat deformation resistance is thereby obtained as a molded body.
本発明により得られる改質ポリエチレンは。Modified polyethylene obtained by the present invention.
そのままシート状にし、あるいは各種成製法により所望
の成型体に成型できるが、必要により一旦粉砕処理して
粉末となし、これを粉末成型法により成型してもその透
明性並びに耐熱変形性は損なわれない。It can be made into a sheet as it is or molded into a desired molded body using various molding methods, but if necessary, it can be pulverized to a powder and then molded using a powder molding method, the transparency and resistance to heat deformation will be impaired. do not have.
このように本発明によれは、トリス（ヒドロキシアルキ
ル）インシアヌレートの不飽和−塩基酸のエステル〔（
Ｂ）成分〕および有機過酸化物〔（Ｃ）成分〕を併用し
て、ポリエチレンを改質することにより、はじめて容易
な操作で透ＢＡ性および耐熱性を著しく改善し得るもの
であり、広汎な用途を有するポリエチレンに、さらに新
規な用途を付与するものである。Thus, according to the present invention, esters of unsaturated basic acids of tris(hydroxyalkyl)in cyanurate [(
By modifying polyethylene using component B) and organic peroxide [component This gives polyethylene, which already has many uses, a new use.
次に本発明の５ｊ！！施例を示す。Next, the 5j of the present invention! ! An example is shown.
実施例１〜１２ メルトインデクス４のポリエチレンベレット。Examples 1-12 Polyethylene pellet with melt index 4.
トリス（２−ヒドロキシエチル）インシアヌレートのア
クリル酸エステル〔トリエステル９３重量−およびジエ
ステル７重量−〕またはト１ノス（２−ヒドロキシエチ
ル）インシアヌレートのメタクリル緻エステル〔トリエ
ステル９３重量−およびジエステル７重量チ〕およびジ
クミルパーオキサイドまたは〔４５−ジメチル、ス５−
ジ（ターシャリ−ブチルパーオキシ）ヘキサノ〕を、そ
れぞれｆｉｌに示す配合で添加し、加熱ロールを用いて
１１０〜１２０℃の温度で１０分間混練した。次いで、
これを肉厚４閣のシートに成形した後、加熱プレスを用
いて、アルミ板に前記シートをはさみ、無加圧で２００
℃に２０分間加熱した。冷却７゛レスにて冷却後、ａ形
したシートの融点、耐熱変形性および透明性の＃犀を行
なった。その結果を衆ＩＫ示す。Acrylic acid ester of tris(2-hydroxyethyl)in cyanurate [93 by weight of triester and 7 by weight of diester] or methacrylic fine ester of tonos(2-hydroxyethyl)in cyanurate [93 by weight of triester and 7 by weight of diester] diester 7wt] and dicumyl peroxide or [45-dimethyl, 5-
di(tert-butylperoxy)hexano] were added in the proportions shown in fil, and kneaded for 10 minutes at a temperature of 110 to 120°C using a heating roll. Then,
After forming this into a sheet with a thickness of 4 mm, the sheet was sandwiched between aluminum plates using a heated press, and the sheet was heated for 200 minutes without pressure.
℃ for 20 minutes. After cooling at 7°, the A-shaped sheet was tested for melting point, heat deformation resistance, and transparency. I will show the results to the public.
以下余白 なお、表中の判定記号は次の基準による。Margin below The judgment symbols in the table are based on the following criteria.
耐熱変形性；ｏ：変形なし
×：変形めり
透 明 性；Ｏ：完全に透明
Δ：やや良
Ｘ：乳白色
本発明により、透明性および耐熱変形性の優れた改質ポ
リエチレンが得られる。Heat deformation resistance; o: No deformation ×: Transparency after deformation; O: Completely transparent Δ: Fairly good X: Milky white According to the present invention, a modified polyethylene with excellent transparency and heat deformation resistance can be obtained.
Claims (1)
ートの不飽和−塩基酸のエステル および （Ｃ） 有機過酸化物 をｅ＊ｅ鎗ｍ＊ｅ＊に加熱して反応させることを特徴と
する改質ポリエチレンの義造法。[Claims] 1. (A) Polyethylene. (B)) A modification characterized by reacting an unsaturated basic acid ester of lith(hydroxyalkyl)in cyanurate and (C) an organic peroxide by heating to e*e*e*e*. A method of manufacturing polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3288482A JPS58149904A (en) | 1982-03-01 | 1982-03-01 | Production of modified polyethylene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3288482A JPS58149904A (en) | 1982-03-01 | 1982-03-01 | Production of modified polyethylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58149904A true JPS58149904A (en) | 1983-09-06 |
Family
ID=12371294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3288482A Pending JPS58149904A (en) | 1982-03-01 | 1982-03-01 | Production of modified polyethylene |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58149904A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003003019A (en) * | 2001-06-18 | 2003-01-08 | Mitsui Chemicals Inc | Ultrahigh molecular weight polyethylene resin composition for skived film, thick-walled molded article for skived film, method of manufacturing skived film of ultrahigh molecular weight polyethylene and skived film |
-
1982
- 1982-03-01 JP JP3288482A patent/JPS58149904A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003003019A (en) * | 2001-06-18 | 2003-01-08 | Mitsui Chemicals Inc | Ultrahigh molecular weight polyethylene resin composition for skived film, thick-walled molded article for skived film, method of manufacturing skived film of ultrahigh molecular weight polyethylene and skived film |
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