JP2727396B2 - Ethylene-acrylic copolymer resin film for high frequency welding - Google Patents
Ethylene-acrylic copolymer resin film for high frequency weldingInfo
- Publication number
- JP2727396B2 JP2727396B2 JP5128234A JP12823493A JP2727396B2 JP 2727396 B2 JP2727396 B2 JP 2727396B2 JP 5128234 A JP5128234 A JP 5128234A JP 12823493 A JP12823493 A JP 12823493A JP 2727396 B2 JP2727396 B2 JP 2727396B2
- Authority
- JP
- Japan
- Prior art keywords
- ethylene
- copolymer resin
- acrylic copolymer
- frequency welding
- carbon atoms
- 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 - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、高周波ウエルダー加工
用のエチレン−アクリル系共重合樹脂フィルムに関し、
詳しくは、スリップ性及びブロッキング防止性に優れる
高周波ウエルダー加工用のエチレン−アクリル系共重合
樹脂フィルムに関する。 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high frequency welding process.
For ethylene-acrylic copolymer resin film for
Specifically, it has excellent slip properties and anti-blocking properties
Ethylene-acrylic copolymer for high frequency welding
It relates to a resin film.
【０００２】[0002]
【従来の技術】従来、カードケース、バインダーや手帳
の表装、袋物等の素材としては、軟質塩化ビニル系樹脂
フィルムが広く使用されてきた。この軟質塩化ビニル系
樹脂フィルムは、塩化ビニル系樹脂に、可塑剤、安定剤
等の各種添加剤を添加した塩化ビニル系樹脂組成物を、
カレンダー法や押出法等によりフィルム化したものであ
る。上記の軟質塩化ビニル系樹脂フィルムは、透明性、
柔軟性に優れ、且つ高周波ウエルダー加工性に優れると
いう利点を有するものである。2. Description of the Related Art Conventionally, a soft vinyl chloride resin film has been widely used as a material for card cases, binders, notebook covers, bags, and the like. This soft vinyl chloride resin film is obtained by adding a vinyl chloride resin composition obtained by adding various additives such as a plasticizer and a stabilizer to a vinyl chloride resin ,
It is formed into a film by a calendar method, an extrusion method, or the like. The above soft vinyl chloride resin film has transparency,
Excellent flexibility and has an advantage and excellent high frequency welder processability.
【０００３】一方、軟質塩化ビニル系樹脂フィルムと同
様に、透明性、柔軟性に優れ、且つ高周波ウエルダー加
工性に優れるフィルムとして、エチレン−アクリル系共
重合樹脂製のフィルムが、軟質塩化ビニル系樹脂フィル
ムの代替品として近年注目されつつある。Meanwhile, as with vinyl soft chloride resin film, excellent transparency, flexibility, and high-frequency welder pressurized
As a film having excellent workability, a film made of an ethylene-acrylic copolymer resin has been attracting attention as a substitute for a soft vinyl chloride resin film in recent years.
【０００４】ところが、上記のエチレン−アクリル系共
重合樹脂製のフィルムは、スリップ性に劣り、フィルム
同志が密着してしまう、いわゆるブロッキングが発生し
やすいという欠点を有するものであり、そのままではカ
ードケース等の素材としては適さないものであった。 ま
た、上記の欠点を解決するために、塩化ビニル系樹脂に
配合するような滑剤を添加すると、スリップ性、ブロッ
キング防止性は改善されるものの、高周波ウエルダー加
工が不可能となる（高周波ウエルダー加工しても、フィ
ルム同志が充分な接着強度で融着しない）という問題が
生じ、スリップ性に優れ、かつ高周波ウエルダー加工が
可能なエチレン−アクリル系共重合樹脂製のフィルムを
得ることはできなかった。[0004] However, the above-mentioned ethylene - film made acrylic copolymer resin has poor slip properties, film each other resulting in close contact state, and are not having the disadvantage that so-called blocking is likely to occur, is as it Ca
It was not suitable as a material for a hard disk case or the like. Also <br/>, in order to solve the above drawbacks, the addition of lubricants, such as incorporated into the vinyl chloride resin, slip property, although antiblocking properties can be improved, a high frequency welder pressurized
Work becomes impossible (even with high-frequency welding,
Lum comrades are not fused with sufficient bonding strength) occurs <br/> a problem that excellent slip properties, and high-frequency welder machining
A film made of a possible ethylene-acrylic copolymer resin could not be obtained.
【０００５】本発明者は、上記の欠点を解消するために
鋭意研究した結果、特定のエチレン−アクリル系共重合
樹脂に、特定の融点を有するアマイド系滑剤を、特定量
添加することにより、スリップ性やブロッキング防止性
に優れ、且つ高周波ウエルダー加工性に優れるエチレン
−アクリル系共重合樹脂製のフィルムが得られることを
見出し、本発明を完成させるに至った。[0005] The present inventor has conducted intensive studies in order to solve the above drawbacks, specific ethylene - acrylic copolymer resin, a amide-based lubricant with a specific melting point, by adding a specific amount, the slip The present inventors have found that a film made of an ethylene-acrylic copolymer resin having excellent properties and anti-blocking properties and excellent high-frequency weldability can be obtained, thereby completing the present invention.
【０００６】[0006]
【課題を解決するための手段】上記の課題を解決するた
めになされた本発明の高周波ウエルダー加工用エチレン
−アクリル系共重合樹脂フィルムは、エチレン−メチル
メタクリレート共重合樹脂、エチレン−メチルアクリレ
ート共重合樹脂、エチレン−エチルアクリレート共重合
樹脂から選ばれる一種以上を主体とするエチレン−アク
リル系共重合樹脂１００重量部に対し、融点が４０〜１
２０℃のアマイド系滑剤を０．０１〜１．０重量部添加
したエチレン−アクリル系共重合樹脂組成物からなるこ
とを特徴とするものである。The ethylene-acrylic copolymer resin film for high-frequency welding according to the present invention, which has been made to solve the above-mentioned problems, comprises an ethylene-methyl copolymer.
Methacrylate copolymer resin, ethylene-methyl acryle
Copolymer resin, ethylene-ethyl acrylate copolymer
The melting point is 40 to 1 with respect to 100 parts by weight of an ethylene-acrylic copolymer resin mainly composed of one or more resins selected from resins.
It is characterized by comprising an ethylene-acrylic copolymer resin composition to which 0.01 to 1.0 parts by weight of an amide-based lubricant at 20 ° C. is added.
【０００７】本発明におけるエチレン−アクリル系共重
合樹脂とは、エチレン−メチルアクリレート共重合樹
脂、エチレン−メチルメタクリレート共重合樹脂、エチ
レン−エチルアクリレート共重合樹脂またはこれらの混
合物、あるいはこれらのエチレン−アクリル系共重合樹
脂を主体とする他のオレフィン系樹脂、例えば、高密度
ポリエチレン、中低密度ポリエチレン、リニア低密度ポ
リエチレン、結晶性エチレン−プロピレンブロック共重
合樹脂、エチレン−酢酸ビニル共重合樹脂、上記以外の
エチレン−アクリル系共重合樹脂、結晶性ポリプロピレ
ン、ランダムポリプロピレン、ブロックポリプロピレ
ン、プロピレン−酢酸ビニル共重合樹脂、プロピレン−
エチルアクリレート共重合樹脂、ポリブテン、ポリ−３
−メチルブテン、ポリ−４−メチルペンテン等とのブレ
ンド物である。[0007] Ethylene definitive to the present invention - The acrylic copolymer resin, ethylene - methyl acrylate copolymer resin, ethylene - methyl methacrylate copolymer resin, ethylene - ethyl acrylate copolymer resin, or a mixed
Compounds or their ethylene-acrylic copolymers
Other olefin-based resins mainly containing fats , for example, high-density polyethylene, medium-low density polyethylene, linear low-density polyethylene, crystalline ethylene-propylene block copolymer resin, ethylene-vinyl acetate copolymer resin, other than the above
Ethylene-acrylic copolymer resin, crystalline polypropylene, random polypropylene, block polypropylene, propylene-vinyl acetate copolymer resin, propylene
Ethyl acrylate copolymer resin, polybutene, poly-3
-Methylbutene, poly-4-methylpentene and the like.
【０００８】本発明に使用されるエチレン−アクリル系
共重合樹脂として特に好適なのは、エチレン成分が８５
〜７０重量％で、アクリル系成分（アクリル酸エステル
またはメタクリル酸エステル）が１５〜３０重量％であ
るエチレン−アクリル系共重合樹脂である。全樹脂分中
のアクリル系成分の含有量が少なすぎると、高周波ウエ
ルダー加工性に劣り、逆に多すぎるとフィルムの成形性
が悪化し、かつフィルムのブロッキングが激しくなる。Particularly preferred as the ethylene-acrylic copolymer resin used in the present invention is that the ethylene component is 85%.
The acrylic component (acrylic ester)
Or methacrylic acid ester) in an amount of 15 to 30% by weight. If the content of the acrylic component of the total resin component in too small, inferior to the high-frequency welder workability, when too much molding of the film is deteriorated in reverse, and the blocking of the film becomes severe.
【０００９】本発明に使用できるアマイド系滑剤は、融
点が４０〜１２０℃、好ましくは４０〜１００℃のもの
であれば特に限定はされないが、化５に示す一般式で表
されるモノアマイド、化６に示す一般式で表される置換
アマイド、化７に示す一般式で表されるビスアマイド、
化８に示す一般式で表されるアルキルウレア等が好適に
使用できる。[0009] amide-based lubricant that can be used in the present invention, monoamides melting point of 40 to 120 ° C., but preferably is not particularly limited as long as the 40 to 100 ° C., represented by a general formula shown in Chemical Formula 5, of A substituted amide represented by the general formula shown in Formula 6 , a bisamide represented by the general formula shown in Chemical Formula 7 ,
An alkyl urea represented by the general formula shown in Chemical formula 8 can be suitably used.
【化５】ＲＣＯＮＨ２ （式中Ｒは炭素数が１０〜３１のアルキル基またはアル
キレン基）[Image Omitted] RCONH2 (Wherein R represents an alkyl group having 10 to 31 carbon atoms or alk
(Kylene group)
【化６】ＲＣＯＮＨＲ’ （式中Ｒ、Ｒ′は、炭素数が１０〜３１のアルキル基ま
たはアルキレン基）RCONHR '(wherein R and R' are alkyl or alkylene groups having 10 to 31 carbon atoms)
【化７】（ＲＣＯＮＨ）２Ｒ’ （式中Ｒは、炭素数が１０〜３１のアルキル基またはア
ルキレン基で、Ｒ′は、炭素数が１０〜３１の脂肪族炭
化水素基または芳香族炭化水素基）(RCONH) 2 R ′ (wherein R is an alkyl or alkylene group having 10 to 31 carbon atoms, and R ′ is an aliphatic or aromatic hydrocarbon group having 10 to 31 carbon atoms. Hydrogen group)
【化８】ＲＮＨＣＯＮＨＲ’ （式中Ｒ，Ｒ′は、炭素数が１０〜３１のアルキル基ま
たはアルキレン基）これらのアマイド系滑剤は、単独で
用いても、二種以上を併用しても良い。[Image Omitted] RNHCONHR ′ (wherein R and R ′ are alkyl groups or alkylene groups having 10 to 31 carbon atoms) These amide-based lubricants may be used alone or in combination of two or more. .
【００１０】アマイド系滑剤の添加量としては、エチレ
ン−アクリル系共重合樹脂１００重量部に対し、０．０
１〜１．０重量部である。アマイド系滑剤の添加量が
０．０１重量部未満であると、スリップ性付与効果及び
ブロッキング防止効果が十分に発現せず、また、添加量
が１．０重量部を超えると、高周波ウエルダー加工性が
損なわれるのみでなく、アマイド系滑剤が移行し、フィ
ルム自体の透明性が損なわれるという問題が生じる。The amount of the amide-based lubricant to be added is 0.0 to 100 parts by weight of the ethylene-acrylic copolymer resin.
1 to 1.0 part by weight. If the amount of the amide-based lubricant is less than 0.01 part by weight, the slip-imparting effect and <br/> antiblocking effect can not sufficiently expressed, and when the amount added is obtain ultra 1.0 part by weight , not only the high-frequency welder processability is impaired, and migration amide-based lubricant, a problem that the transparency of the film itself is impaired occurs.
【００１１】本発明の高周波ウエルダー加工用エチレン
−アクリル系共重合樹脂フィルムを得るための上記のエ
チレン−アクリル系共重合樹脂組成物には、上記のアマ
イド系滑剤の他に、必要に応じて、界面活性剤等の帯電
防止剤、シリカ等の無機充填剤、顔料等の着色剤などの
各種添加剤を添加することもできる。このときの各種添
加剤の種類や添加量は、エチレン−アクリル系樹脂に添
加可能なものを、通常量添加すれば良い。また、高周波
ウエルダー加工性を阻害しない範囲で、他の滑剤を併用
することも、本発明から除外されるものではない。[0011] Ethylene for high frequency welding of the present invention
- Additional et <br/> to obtain an acrylic copolymer resin film styrene - The acrylic copolymer resin composition, in addition to the above amide-based lubricant, as needed, charging such as a surfactant Various additives such as an inhibitor, an inorganic filler such as silica, and a colorant such as a pigment can also be added . At this time, the types and amounts of the various additives may be those which can be added to the ethylene-acrylic resin in a usual amount. Further, within a range that does not inhibit the high-frequency welder processability, it is used in combination with other lubricants also not intended to be excluded from the present invention.
【００１２】[0012]
【作用】本発明の高周波ウエルダー加工用エチレン−ア
クリル系共重合樹脂フィルムは、４０〜１２０℃の融点
を有するアマイド系滑剤を、エチレン−メチルメタクリ
レート共重合樹脂、エチレン−メチルアクリレート共重
合樹脂、エチレン−エチルアクリレート共重合樹脂から
選ばれる一種以上を主体とするエチレン−アクリル系共
重合樹脂１００重量部に対し、０．０１〜１．０重量部
添加した樹脂組成物からなるので、優れたブロッキング
防止効果及びスリップ性を発現すると共に、高周波ウエ
ルダー加工によりフィルム同志を融着した際の接着強度
にも優れるものである。Frequency welder machining ethylene [action] The present invention - acrylic copolymer resin film, an amide-based lubricant with a melting point of 40 to 120 ° C., ethylene - Mechirumetakuri
Rate copolymer resin, ethylene-methyl acrylate copolymer
From resin, ethylene-ethyl acrylate copolymer resin
One to more than one selected ethylene-acrylic copolymer resin based on 100 parts by weight, and the resin composition is added in an amount of 0.01 to 1.0 part by weight. At the same time, the adhesive strength when the films are fused by high-frequency welding is excellent.
【００１３】[0013]
【実施例】以下、具体的な実施例を挙げ、本発明を更に
詳細に説明する。The present invention will be described below in more detail with reference to specific examples.
【００１４】実施例１〜７、比較例１〜４ 表１に示す配合のエチレン−アクリル共重合樹脂組成物
から、Ｔダイ押出機を用いて厚さ０．２ｍｍのフィルム
を調整した。 得られたフィルムについて、下記の方法で
高周波ウエルダー加工性及びブロッキング防止性を試験
した。結果を表１に示す。 ＜試験方法＞ ・高周波ウエルダー加工性 得られたエチレン−アクリル系共重合樹脂フィルムを３
０日間室温にて静置した後、高周波ウエルダー加工を行
い、テンシロンによる接着強度測定を行なった（試料幅
は２ｃｍ、ＣＨＳは２００ｍｍ／分）。 ・ブロッキング防止性得られた エチレン−アクリル系共重合樹脂フィルムを２
０ｃｍ×２０ｃｍに切断し、サンプルフィルムを二枚調
製した。得られたサンプルフィルムを重ね合わせ、１０
００ｇの荷重をかけて、室温にて２４時間放置した後、
二枚のサンプルフィルムを剥がすときの触感によって、
ブロッキング防止性を評価した。Examples 1 to 7, Comparative Examples 1 to 4 Ethylene-acrylic copolymer resin compositions having the formulations shown in Table 1
Then , a film having a thickness of 0.2 mm was adjusted using a T-die extruder . The obtained film was tested for high frequency welder processability and antiblocking properties by the following methods. Table 1 shows the results. <Test method>-High frequency welder processability The obtained ethylene-acrylic copolymer resin film was
After leaving still at room temperature for 0 days, high-frequency welding was performed, and the adhesive strength was measured using Tensilon (sample width: 2 cm, CHS: 200 mm / min). Blocking anti-obtained ethylene - 2 acrylic copolymer tree Aburafu Irumu
The sample was cut into 0 cm x 20 cm to prepare two sample films. The obtained sample films were overlaid and 10
After applying a load of 00 g and leaving at room temperature for 24 hours,
By the tactile feeling when peeling two sample films,
The anti-blocking property was evaluated.
【００１５】[0015]
【表１】 [Table 1]
【００１６】実施例８〜１２、比較例５ 表２に示す配合のエチレンーアクリル系共重合樹脂組成
物から、Ｔダイ押出機を用いて厚さ０．２ｍｍのフィル
ムを調整し、得られたフィルムについて、実施例１と同
様にして高周波ウエルダー加工性及びブロッキング防止
性を試験した。結果を表２に示す。Examples 8 to 12 and Comparative Example 5 A film having a thickness of 0.2 mm was prepared from an ethylene-acrylic copolymer resin composition having the composition shown in Table 2 using a T-die extruder. for films were tested an RF welder processability and antiblocking properties in the same manner as in example 1. Table 2 shows the results.
【００１７】[0017]
【表２】 [Table 2]
【００１８】[0018]
【発明の効果】本発明の高周波ウエルダー加工用エチレ
ンーアクリル系共重合樹脂フィルムは、透明性、柔軟
性、高周波ウエルダー加工性に優れるというエチレン−
アクリル系共重合樹脂の特性を損なうことなく、ブロッ
キング防止性、スリップ性を改善することができたの
で、上記フィルムを高周波ウエルダー加工して得られる
カードケース、バインダーや手帳の表装、袋物等の素材
として好適に使用することができる。 Frequency welder for processing an ethylene-acrylic copolymer resin film of the present invention exhibits, ethylene of transparency, flexibility, excellent high frequency welder processability -
Without impairing the properties of the acrylic copolymer resin, the anti-blocking property and the slip property could be improved, so the above film obtained by high-frequency welding was used for card cases, binders and notebooks, Ru can be suitably used as a material for such bags.
Claims (3)
樹脂、エチレン−メチルアクリレート共重合樹脂、エチ
レン−エチルアクリレート共重合樹脂から選ばれる一種
以上を主体とするエチレン−アクリル系共重合樹脂１０
０重量部に対し、融点が４０〜１２０℃のアマイド系滑
剤を０．０１〜１．０重量部添加したエチレン−アクリ
ル系共重合樹脂組成物からなる、高周波ウエルダー加工
用エチレン−アクリル系共重合樹脂フィルム。1. An ethylene-methyl methacrylate copolymer
Resin, ethylene-methyl acrylate copolymer resin, ethyl
One selected from len-ethyl acrylate copolymer resin
Ethylene-acrylic copolymer resin 10 composed mainly of the above
An ethylene-acrylic copolymer for high-frequency welding, comprising an ethylene-acrylic copolymer resin composition in which 0.01 to 1.0 part by weight of an amide-based lubricant having a melting point of 40 to 120 ° C is added to 0 part by weight. Resin film.
チレン成分８５〜７０重量％、アクリル系成分１５〜３
０重量％からなる共重合樹脂である請求項１記載の高周
波ウエルダー加工用エチレン−アクリル系共重合樹脂フ
ィルム。2. An ethylene-acrylic copolymer resin comprising 85 to 70% by weight of an ethylene component and 15 to 3% of an acrylic component.
The ethylene-acrylic copolymer resin film for high-frequency welding according to claim 1, which is a copolymer resin comprising 0% by weight.
般式で表される化合物から選ばれる一種以上である請求
項１または２に記載の高周波ウエルダー加工用エチレン
−アクリル系共重合樹脂フィルム。 【化１】ＲＣＯＮＨ２ （式中Ｒは炭素数が１０〜３１のアルキル基またはアル
キレン基） 【化２】ＲＣＯＮＨＲ’ （式中Ｒ、Ｒ’は、炭素数が１０〜３１のアルキル基ま
たはアルキレン基） 【化３】（ＲＣＯＮＨ）２Ｒ’ （式中Ｒは、炭素数が１０〜３１のアルキル基またはア
ルキレン基で、Ｒ’は、炭素数が１０〜３１の脂肪族炭
化水素基または芳香族炭化水素基） 【化４】ＲＮＨＣＯＮＨＲ’ （式中Ｒ、Ｒ’は、炭素数が１０〜３１のアルキル基ま
たはアルキレン基）3. The amide-based lubricant according to claim 1
Claims of at least one selected from compounds represented by the general formula
Item 1Or 2Ethylene for high frequency welding described
-Acrylic copolymer resin film. ## STR1 ## RCONH2 (Wherein R represents an alkyl group having 10 to 31 carbon atoms or alk
RCONHR '(wherein R and R' are alkyl groups having 10 to 31 carbon atoms)
Or an alkylene group) (RCONH)2R ′ (wherein R is an alkyl group having 10 to 31 carbon atoms or
R ′ is an aliphatic carbon having 10 to 31 carbon atoms.
RNHCONHR '(wherein R and R' are alkyl groups having 10 to 31 carbon atoms)
Or an alkylene group)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5128234A JP2727396B2 (en) | 1993-04-30 | 1993-04-30 | Ethylene-acrylic copolymer resin film for high frequency welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5128234A JP2727396B2 (en) | 1993-04-30 | 1993-04-30 | Ethylene-acrylic copolymer resin film for high frequency welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06313070A JPH06313070A (en) | 1994-11-08 |
| JP2727396B2 true JP2727396B2 (en) | 1998-03-11 |
Family
ID=14979814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5128234A Expired - Fee Related JP2727396B2 (en) | 1993-04-30 | 1993-04-30 | Ethylene-acrylic copolymer resin film for high frequency welding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2727396B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2719051B1 (en) * | 1994-04-20 | 1996-05-31 | Atochem Elf Sa | High frequency weldable thermoplastic film. |
| JP4904685B2 (en) * | 2004-11-22 | 2012-03-28 | 日油株式会社 | Composition for improving surface properties of resin moldings |
| WO2023212851A1 (en) * | 2022-05-05 | 2023-11-09 | Dow Global Technologies Llc | Molded article |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4349605A (en) * | 1980-09-09 | 1982-09-14 | National Distillers & Chemical Corp. | Flame retardant radiation curable polymeric compositions |
| JPS5912954A (en) * | 1982-07-13 | 1984-01-23 | Asahi Chem Ind Co Ltd | Manufacture of pulverized polyethylene resin composition for powder coating |
| JPS6356546A (en) * | 1986-08-26 | 1988-03-11 | Sumitomo Chem Co Ltd | Peelable protective film |
| JP2642934B2 (en) * | 1987-07-31 | 1997-08-20 | 協和化学工業 株式会社 | Blocking inhibitor and composition for synthetic resin film |
| JPH01225646A (en) * | 1988-03-07 | 1989-09-08 | Fujikura Ltd | Flame-retarding resin composition improved in surface defect prevention |
| JPH03197540A (en) * | 1989-12-27 | 1991-08-28 | Du Pont Mitsui Polychem Co Ltd | Ethylenic copolymer composition for extrusion coating of oriented film and method for extrusion coating therewith |
| JPH0649285A (en) * | 1992-07-31 | 1994-02-22 | Sumitomo Chem Co Ltd | Resin composition for sheet |
| JP3303350B2 (en) * | 1992-09-04 | 2002-07-22 | 凸版印刷株式会社 | Sheets suitable for high frequency welding |
-
1993
- 1993-04-30 JP JP5128234A patent/JP2727396B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06313070A (en) | 1994-11-08 |
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