JPH07126457A - Polyolefinic substrate film and tacky film or sheet - Google Patents
Polyolefinic substrate film and tacky film or sheetInfo
- Publication number
- JPH07126457A JPH07126457A JP5271837A JP27183793A JPH07126457A JP H07126457 A JPH07126457 A JP H07126457A JP 5271837 A JP5271837 A JP 5271837A JP 27183793 A JP27183793 A JP 27183793A JP H07126457 A JPH07126457 A JP H07126457A
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- JP
- Japan
- Prior art keywords
- film
- weight
- olefin copolymer
- tacky
- ethylene
- 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.)
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ポリプロピレンを主成
分に少なくとも二種のゴム成分を含有した少なくとも三
成分のブレンド物からなる基材フィルムに関するもので
ある。 その目的は、従来の基材フィルムの機械的物性
を低下させることなく、タテおよびヨコの両方向の耐引
裂性に優れたフィルムを提供するものであり、特に、表
面保護フィルムの基材として好ましく、剥離作業性に優
れた粘着フィルムまたはシートに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a base film made of a blend of at least three components containing polypropylene as a main component and at least two rubber components. Its purpose is to provide a film excellent in tear resistance in both the vertical and horizontal directions without deteriorating the mechanical properties of the conventional base film, and particularly preferable as a base material for the surface protection film, The present invention relates to an adhesive film or sheet having excellent peeling workability.
【０００２】[0002]
【従来の技術】従来、金属板の加工時や運搬時の表面の
傷を防止するために、ポリ塩化ビニル、ポリエチレン、
ポリプロピレンなどを基材フィルムとし、アクリル系、
ゴム系などを主成分とする粘着剤層を有する表面保護フ
ィルムが多用されている。しかしながら、ポリ塩化ビニ
ルを基材とする粘着フィルムは表面保護特性に優れてい
るが、スクラップの焼却処理の際、塩化水素ガスを発生
し、焼却炉を著しく損傷させるという欠点を有する。
またポリエチレンを基材とする粘着フィルムは、強度が
小さいので被保護体の加工時に切れやすく、またフィル
ムに腰がないために手貼り作業で被保護体に貼り合わせ
る場合にしわが入ったり、ずれたりして貼り合わせ作業
性が極めて悪いという問題がある。 また、ポリプロピ
レン基材の場合は、手貼り作業性は極めて良好である
が、剥離する際にポリプロピレンの高い結晶性により特
定方向に裂け易いという欠点がある。2. Description of the Related Art Conventionally, in order to prevent scratches on the surface during processing or transportation of metal plates, polyvinyl chloride, polyethylene,
Acrylic,
A surface protective film having a pressure-sensitive adhesive layer containing rubber as a main component is often used. However, although the adhesive film based on polyvinyl chloride has excellent surface protection characteristics, it has a drawback that hydrogen chloride gas is generated during scrap incineration, and the incinerator is significantly damaged.
In addition, the adhesive film based on polyethylene has low strength, so it is easy to cut when processing the protected object, and since the film is not stiff, wrinkles or shifts occur when it is attached to the protected object by hand. Then, there is a problem that the bonding workability is extremely poor. Further, in the case of a polypropylene base material, the workability of hand-pasting is extremely good, but there is a drawback that it tends to tear in a specific direction due to the high crystallinity of polypropylene when peeling.
【０００３】[0003]
【発明が解決しようとする課題】このような問題点を解
決する方法として、ポリプロピレンなどの強度の高いフ
ィルムにゴムなどの樹脂を配合するなどして、フィルム
自体を改善して耐引裂性を改善する方法が提案されてい
る。しかしながら、この方法では耐引裂性は改善できる
が、フィルムの弾性率が低下するためフィルムの腰がな
くなってしまう。 そのため、これらの特性のバランス
をとるには、フィルムを厚くする手段を取らざるをえ
ず、経済性に劣るという問題があった。As a method for solving such problems, a film such as polypropylene is blended with a resin such as rubber to improve the film itself to improve the tear resistance. The method of doing is proposed. However, although the tear resistance can be improved by this method, the elastic modulus of the film is lowered and the film loses its rigidity. Therefore, in order to balance these characteristics, there is no choice but to take measures to thicken the film, which is a problem of poor economic efficiency.
【０００４】[0004]
【課題を解決するための手段】そこで本発明者らは、フ
ィルムの複数の物性に注目して検討し、ポリプロピレン
に若干量のスチレン系エラストマーとエチレン−αオレ
フィン共重合体もしくはプロピレン−αオレフィン共重
合体を配合することにより、従来の基材フィルムの諸特
性を低下させることなく、タテおよびヨコの両方向につ
いて耐引裂性を改善できることを知見し、本発明に至っ
たものである。SUMMARY OF THE INVENTION Therefore, the present inventors have paid attention to a plurality of physical properties of a film, and have examined polypropylene with a small amount of a styrene elastomer and an ethylene-α-olefin copolymer or a propylene-α-olefin copolymer. The present inventors have found that the blending of a polymer can improve the tear resistance in both the vertical and horizontal directions without deteriorating the various properties of the conventional base film, and have accomplished the present invention.
【０００５】即ち本発明は、ポリプロピレン６０〜９０
重量％、スチレン系エラストマー４０〜２重量％、エチ
レン−αオレフィン共重合体もしくはプロピレン−αオ
レフィン共重合体４０〜２重量％を含有してなるポリオ
レフィン系基材フィルム、及びそれを基材とする粘着フ
ィルムもしくはシートを提供する。That is, the present invention relates to polypropylene 60-90.
% By weight, 40 to 2% by weight of styrene elastomer, and 40 to 2% by weight of ethylene-α-olefin copolymer or propylene-α-olefin copolymer, and a polyolefin-based base film containing the same. Provide an adhesive film or sheet.
【０００６】本発明において用いられるポリプロピレ
ン、スチレン系エラストマー、エチレン−αオレフィン
共重合体もしくはプロピレン−αオレフィン共重合体
は、従来より知られているものを適宜用いることができ
る。As the polypropylene, the styrene elastomer, the ethylene-α-olefin copolymer or the propylene-α-olefin copolymer used in the present invention, those conventionally known can be appropriately used.
【０００７】上記樹脂のうち本発明において好適に用い
られるものとして、ポリプロピレンとしては、ＭＦＲ
（JIS K7210 に基づくメルト・フロー・レート、以下同
様）が２〜３０(g/10min. 230 ℃）で、密度が０．８９
〜０．９０g/cm3 のものが好ましい。Among the above resins, polypropylene that is preferably used in the present invention is MFR.
(Melt flow rate based on JIS K7210, the same applies below) is 2 to 30 (g / 10min. 230 ° C) and has a density of 0.89.
It is preferably about 0.90 g / cm 3 .
【０００８】また、スチレン系エラストマーとしては、
スチレン部分が１０〜５０重量％で、ＭＦＲが１．０〜
３０(g/10min. 230 ℃）で、密度が０．９０〜０．９６
g/cm 3 のものが好ましい。 かかるスチレン系エラスト
マーの具体例としては、例えばスチレン−ブタジエン−
スチレンブロック共重合体、スチレン−イソプレン−ス
チレンブロック共重合体、スチレン−エチレン−ブチレ
ン−スチレンブロック共重合体などが挙げられる。Further, as the styrene elastomer,
Styrene portion is 10 to 50% by weight and MFR is 1.0 to
At 30 (g / 10min. 230 ℃), the density is 0.90 to 0.96
g / cm 3Are preferred. Such styrenic elastomer
Specific examples of the mer include, for example, styrene-butadiene-
Styrene block copolymer, styrene-isoprene-s
Tylene block copolymer, styrene-ethylene-butylene
And styrene block copolymers.
【０００９】また、エチレン−αオレフィン共重合体も
しくはプロピレン−αオレフィン共重合体としては、Ｍ
ＦＲが０．４〜１５(g/10min. 230 ℃）で、密度が０．
８５〜０．９０g/cm3 のものが好ましい。The ethylene-α-olefin copolymer or propylene-α-olefin copolymer is M
FR is 0.4 to 15 (g / 10min. 230 ° C) and the density is 0.
It is preferably 85 to 0.90 g / cm 3 .
【００１０】本発明の基材フィルムにおいて上記各成分
の配合量は、ポリプロピレン６０〜９０重量％、好まし
くは７０〜８５重量％、スチレン系エラストマー４０〜
２重量％、好ましくは３０〜５重量％、エチレン−αオ
レフィン共重合体もしくはプロピレン−αオレフィン共
重合体４０〜２重量％、好ましくは３０〜５重量％とす
ることが効果的である。 ここで、ポリプロピレンが６
０重量％未満の場合、基材フィルムの弾性率が低下する
と共に強度不足となり、一方９０重量％を越えると耐引
裂性の効果が低い。 また、スチレン系エラストマー、
及びエチレン−αオレフィン共重合体もしくはプロピレ
ン−αオレフィン共重合体の両者のどちらか一方が欠け
た場合、耐引裂性についてタテとヨコのバランスが崩れ
る、すなわちタテとヨコの引裂強度が大幅に異なり、タ
テ方向のみに裂けやすくなるため好ましくない。In the base film of the present invention, the content of each of the above components is 60 to 90% by weight of polypropylene, preferably 70 to 85% by weight, and 40 to 40% of styrene elastomer.
2% by weight, preferably 30 to 5% by weight, and 40 to 2% by weight, preferably 30 to 5% by weight of ethylene-α-olefin copolymer or propylene-α-olefin copolymer is effective. Where polypropylene is 6
If it is less than 0% by weight, the elastic modulus of the base film is lowered and the strength is insufficient, while if it exceeds 90% by weight, the effect of tear resistance is low. In addition, styrene elastomer,
When either one of the ethylene-α-olefin copolymer and the propylene-α-olefin copolymer is lacking, the balance between vertical and horizontal tear resistance is lost, that is, the vertical and horizontal tear strength is significantly different. It is not preferable because it tends to tear only in the vertical direction.
【００１１】本発明の基材フィルムにおいては、上記の
各成分以外に必要に応じて、スリップ剤、帯電防止剤、
酸化防止剤等を添加することもできる。In the base film of the present invention, a slip agent, an antistatic agent, and
Antioxidants and the like can also be added.
【００１２】上記基材フィルムの製法は特に限定されな
いが、例えば各成分をドライブレンドした後、Ｔ型ダイ
スによる押出し成形機によってフィルム化することがで
きる。 得られるフィルムの厚さは特に限定されない
が、好ましくは２０〜１００μｍ、さらに好ましくは３
０〜７０μｍである。The method for producing the above-mentioned substrate film is not particularly limited, but, for example, after dry-blending the respective components, the film can be formed into a film by an extruder using a T-type die. The thickness of the obtained film is not particularly limited, but preferably 20 to 100 μm, more preferably 3
It is 0 to 70 μm.
【００１３】また本発明は、上記の基材フィルムの片面
に、粘着剤層を設けてなる粘着フィルムまたはシートも
提供する。 この粘着剤は特に限定されず、例えばアク
リル系、ゴム系粘着剤が挙げられ、その厚さは通常１〜
２０μｍ程度が好ましい。The present invention also provides a pressure-sensitive adhesive film or sheet having a pressure-sensitive adhesive layer provided on one surface of the above-mentioned base film. The pressure-sensitive adhesive is not particularly limited, and examples thereof include acrylic-based and rubber-based pressure-sensitive adhesives, and the thickness thereof is usually 1 to
About 20 μm is preferable.
【００１４】本発明の粘着フィルムは、その用途に何ら
限定されるものではないが、耐引裂性に極めて優れてい
るため、特に表面保護用粘着フィルムとして好適に用い
ることができる。The use of the pressure-sensitive adhesive film of the present invention is not limited at all, but since it is extremely excellent in tear resistance, it can be particularly preferably used as a surface-protective pressure-sensitive adhesive film.
【００１５】[0015]
【実施例】以下、本発明を実施例および比較例にてさら
に詳しく説明するが、本発明はこれらに限定されるもの
ではない。 実施例１ ＭＦＲ９．０、密度０．９０g/cm3 のポリプロピレン８
０重量％、ＭＦＲ１２．０、密度０．８９g/cm3 のスチ
レン−エチレン−ブチレン−スチレンブロック共重合体
（ＳＥＢＳ）１０重量％、およびＭＦＲ６．０、密度
０．８９g/cm3 のプロピレン−αオレフィン共重合体１
０重量％を、ドライブレンドしＴ型ダイス押出成形機
（４０ｍｍΦ）にて樹脂温度２２０℃で押し出して、厚
さ４０μｍのフィルムを成形した。成形性は良好で、成
形フィルムの外観も良好であった。 得られたフィルム
の物性試験した結果を表１に示す。EXAMPLES The present invention will be described in more detail with reference to Examples and Comparative Examples, but the present invention is not limited thereto. Example 1 Polypropylene 8 with MFR 9.0 and density 0.90 g / cm 3 .
0% by weight, MFR 12.0, density of 0.89 g / cm 3 styrene-ethylene-butylene-styrene block copolymer (SEBS) 10% by weight, and MFR 6.0, density of 0.89 g / cm 3 propylene-α. Olefin Copolymer 1
0% by weight was dry blended and extruded at a resin temperature of 220 ° C. with a T-die extrusion molding machine (40 mmΦ) to form a film having a thickness of 40 μm. The moldability was good, and the appearance of the molded film was also good. Table 1 shows the results of the physical properties test of the obtained film.
【００１６】実施例２ ＭＦＲ９．０、密度０．９０g/cm3 のポリプロピレン８
０重量％、ＭＦＲ８．０、密度０．９２g/cm3 のスチレ
ン−イソプレン−スチレンブロック共重合体（ＳＩＳ）
１０重量％、およびＭＦＲ６．０、密度０．８９g/cm3
のプロピレン−αオレフィン共重合体１０重量％を用
い、実施例１と同様の方法で、厚さ４０μｍのフィルム
を得た。成形性は良好で、成形フィルムの外観も良好で
あった。 得られたフィルムの物性試験した結果を表１
に示す。Example 2 Polypropylene 8 with MFR 9.0 and density 0.90 g / cm 3
Styrene-isoprene-styrene block copolymer (SIS) having 0% by weight, MFR 8.0 and density of 0.92 g / cm 3.
10% by weight, and MFR 6.0, density 0.89 g / cm 3
A film having a thickness of 40 μm was obtained in the same manner as in Example 1 by using 10% by weight of the propylene-α-olefin copolymer of No. The moldability was good, and the appearance of the molded film was also good. The results of the physical property test of the obtained film are shown in Table 1.
Shown in.
【００１７】実施例３ ＭＦＲ９．０、密度０．９０g/cm3 のポリプロピレン８
０重量％、ＭＦＲ１２．０、密度０．８９g/cm3 のスチ
レン−エチレン−ブチレン−スチレンブロック共重合体
（ＳＥＢＳ）１０重量％、およびＭＦＲ６．７、密度
０．８９g/cm3 のエチレン−αオレフィン共重合体１０
重量％を用い、実施例１と同様の方法で、厚さ４０μｍ
のフィルムを得た。成形性は良好で、成形フィルムの外
観も良好であった。 得られたフィルムの物性試験した
結果を表１に示す。Example 3 Polypropylene 8 with MFR 9.0 and density 0.90 g / cm 3
0 wt%, MFR 12.0, density of 0.89 g / cm 3 styrene-ethylene-butylene-styrene block copolymer (SEBS) 10 wt%, and MFR 6.7, density of 0.89 g / cm 3 ethylene-α. Olefin Copolymer 10
In the same manner as in Example 1, except that the weight% is 40 μm.
I got a film of. The moldability was good, and the appearance of the molded film was also good. Table 1 shows the results of the physical properties test of the obtained film.
【００１８】実施例４ ＭＦＲ９．０、密度０．９０g/cm3 のポリプロピレン８
０重量％、ＭＦＲ１２．０、密度０．８９g/cm3 のスチ
レン−エチレン−ブチレン−スチレンブロック共重合体
（ＳＥＢＳ）１５重量％、およびＭＦＲ６．０、密度
０．８９g/cm3 のプロピレン−αオレフィン共重合体５
重量％を用い、実施例１と同様の方法で、厚さ４０μｍ
のフィルムを得た。成形性は良好で、成形フィルムの外
観も良好であった。 得られたフィルムの物性試験した
結果を表１に示す。Example 4 Polypropylene 8 with MFR 9.0 and density 0.90 g / cm 3
0% by weight, MFR 12.0, density of 0.89 g / cm 3 styrene-ethylene-butylene-styrene block copolymer (SEBS) 15% by weight, and MFR 6.0, density of 0.89 g / cm 3 propylene-α. Olefin copolymer 5
In the same manner as in Example 1, except that the weight% is 40 μm.
I got a film of. The moldability was good, and the appearance of the molded film was also good. Table 1 shows the results of the physical properties test of the obtained film.
【００１９】比較例１〜４ 実施例１〜４の配合量を表１に示す配合にて行う以外
は、全て実施例１〜４と同様にしてフィルムを得た。
得られたフィルムの物性試験した結果を表１に併せて示
す。Comparative Examples 1 to 4 Films were obtained in the same manner as in Examples 1 to 4 except that the compounding amounts of Examples 1 to 4 were as shown in Table 1.
The results of the physical property test of the obtained film are also shown in Table 1.
【００２０】なお、各物性試験は、以下の方法にて行っ
た。 〔エレメンドルフ引裂強度〕ＪＩＳ Ｐ−８１１６に準
ずる。 〔弾性率および破断強度〕 つかみ間距離 ２０ｍｍ フィルム測定幅 ５ｍｍ 引張速度 ２００ｍｍ／ｍｉｎEach physical property test was conducted by the following method. [Elemendorff tear strength] According to JIS P-8116. [Elastic modulus and breaking strength] Grip distance 20 mm, film measurement width 5 mm, tensile speed 200 mm / min
【００２１】〔剥離作業性〕実施例１〜４で得た各基材
フィルムの片面に、アクリル系粘着剤をトルエンに溶解
し、固形分で糊厚５μｍになるように塗布し、８０℃で
２分間乾燥することにより、本発明の表面保護フィルム
を得た。[Peeling Workability] An acrylic pressure-sensitive adhesive was dissolved in toluene on one surface of each of the substrate films obtained in Examples 1 to 4, and the solid content was applied to a paste thickness of 5 μm. The surface protection film of the present invention was obtained by drying for 2 minutes.
【００２２】得られた表面保護フィルムを、１０ｃｍ×
１０ｃｍのステンレス板に貼り合わせ、コーナー部より
そのフィルムを素早く剥がす際の耐引裂性から、剥離作
業性を以下の基準にて判定した。 ○ 良好 × 悪い △ 方向性有りThe obtained surface protective film was treated with 10 cm ×
The peeling workability was judged according to the following criteria from the tear resistance when the film was stuck to a 10 cm stainless steel plate and the film was quickly peeled off from the corner. ○ Good × Bad △ Directional
【００２３】[0023]
【表１】 [Table 1]
【００２４】[0024]
【発明の効果】本発明の基材フィルムは、従来の基材フ
ィルムの機械的物性を低下させることなく、タテおよび
ヨコの耐引裂性に優れるという効果を有し、かかるフィ
ルムは特に表面保護用粘着フィルムの基材として好適に
用いることができる。EFFECT OF THE INVENTION The base film of the present invention has the effect of excellent tear resistance in the vertical and horizontal directions without deteriorating the mechanical properties of the conventional base film, and such a film is particularly useful for surface protection. It can be suitably used as a base material for an adhesive film.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 //(Ｃ０８Ｌ 23/10 25:04 23:04） ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 6 Identification code Office reference number FI technical display area // (C08L 23/10 25:04 23:04)
Claims (2)
レン系エラストマー４０〜２重量％、エチレン−αオレ
フィン共重合体もしくはプロピレン−αオレフィン共重
合体４０〜２重量％を含有してなるポリオレフィン系基
材フィルム。1. A polyolefin base material comprising 60 to 90% by weight of polypropylene, 40 to 2% by weight of styrene elastomer, and 40 to 2% by weight of ethylene-α-olefin copolymer or propylene-α-olefin copolymer. the film.
粘着剤層を設けてなる粘着フィルムまたはシート。2. One side of the substrate film according to claim 1,
An adhesive film or sheet provided with an adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27183793A JP3364293B2 (en) | 1993-10-29 | 1993-10-29 | Polyolefin-based base film and adhesive film or sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27183793A JP3364293B2 (en) | 1993-10-29 | 1993-10-29 | Polyolefin-based base film and adhesive film or sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07126457A true JPH07126457A (en) | 1995-05-16 |
| JP3364293B2 JP3364293B2 (en) | 2003-01-08 |
Family
ID=17505560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27183793A Expired - Lifetime JP3364293B2 (en) | 1993-10-29 | 1993-10-29 | Polyolefin-based base film and adhesive film or sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3364293B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07292130A (en) * | 1994-04-28 | 1995-11-07 | Daicel Chem Ind Ltd | Film and its production |
| JPH08333559A (en) * | 1995-04-04 | 1996-12-17 | Sekisui Chem Co Ltd | Tacky tape for protecting green sheet |
| JP2001290426A (en) * | 2000-04-04 | 2001-10-19 | Sekisui Chem Co Ltd | Marking film |
| JP2006335989A (en) * | 2005-06-06 | 2006-12-14 | Sekisui Chem Co Ltd | Surface protective film |
| JP2008004679A (en) * | 2006-06-21 | 2008-01-10 | Gunze Ltd | Substrate film for dicing |
| WO2013121846A1 (en) * | 2012-02-15 | 2013-08-22 | 日東電工株式会社 | Surface protection sheet |
| WO2015005374A1 (en) * | 2013-07-09 | 2015-01-15 | 出光興産株式会社 | Elastic film |
| EP3027681B1 (en) * | 2013-07-31 | 2019-07-03 | Kimberly-Clark Worldwide, Inc. | Sustainable polymer films |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06322194A (en) * | 1993-05-14 | 1994-11-22 | Kureha Chem Ind Co Ltd | Polypropylene resin composition and film for packaging |
| JPH073089A (en) * | 1993-06-17 | 1995-01-06 | Kureha Chem Ind Co Ltd | Resin composition, biaxially oriented film, its production and food-packaging material |
-
1993
- 1993-10-29 JP JP27183793A patent/JP3364293B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06322194A (en) * | 1993-05-14 | 1994-11-22 | Kureha Chem Ind Co Ltd | Polypropylene resin composition and film for packaging |
| JPH073089A (en) * | 1993-06-17 | 1995-01-06 | Kureha Chem Ind Co Ltd | Resin composition, biaxially oriented film, its production and food-packaging material |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07292130A (en) * | 1994-04-28 | 1995-11-07 | Daicel Chem Ind Ltd | Film and its production |
| JPH08333559A (en) * | 1995-04-04 | 1996-12-17 | Sekisui Chem Co Ltd | Tacky tape for protecting green sheet |
| JP2001290426A (en) * | 2000-04-04 | 2001-10-19 | Sekisui Chem Co Ltd | Marking film |
| JP2006335989A (en) * | 2005-06-06 | 2006-12-14 | Sekisui Chem Co Ltd | Surface protective film |
| JP2008004679A (en) * | 2006-06-21 | 2008-01-10 | Gunze Ltd | Substrate film for dicing |
| WO2013121846A1 (en) * | 2012-02-15 | 2013-08-22 | 日東電工株式会社 | Surface protection sheet |
| WO2015005374A1 (en) * | 2013-07-09 | 2015-01-15 | 出光興産株式会社 | Elastic film |
| EP3027681B1 (en) * | 2013-07-31 | 2019-07-03 | Kimberly-Clark Worldwide, Inc. | Sustainable polymer films |
| CN105392828B (en) * | 2013-07-31 | 2019-08-02 | 金伯利-克拉克环球有限公司 | Sustainable polymer film |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3364293B2 (en) | 2003-01-08 |
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