JPS62197483A - Release paper - Google Patents
Release paperInfo
- Publication number
- JPS62197483A JPS62197483A JP4002786A JP4002786A JPS62197483A JP S62197483 A JPS62197483 A JP S62197483A JP 4002786 A JP4002786 A JP 4002786A JP 4002786 A JP4002786 A JP 4002786A JP S62197483 A JPS62197483 A JP S62197483A
- Authority
- JP
- Japan
- Prior art keywords
- paper
- release
- glazed
- machine
- paper base
- 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
- 230000007935 neutral effect Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 abstract description 19
- 230000006866 deterioration Effects 0.000 abstract description 12
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 229920000178 Acrylic resin Polymers 0.000 abstract description 2
- 239000004925 Acrylic resin Substances 0.000 abstract description 2
- 239000004927 clay Substances 0.000 abstract description 2
- 239000000839 emulsion Substances 0.000 abstract description 2
- 239000000049 pigment Substances 0.000 abstract description 2
- 229920003169 water-soluble polymer Polymers 0.000 abstract description 2
- 239000000123 paper Substances 0.000 description 49
- -1 polyethylene Polymers 0.000 description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000002655 kraft paper Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004513 sizing Methods 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002649 leather substitute Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 125000005250 alkyl acrylate group Chemical group 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229920006319 cationized starch Polymers 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
Landscapes
- Reinforced Plastic Materials (AREA)
- Laminated Bodies (AREA)
- Adhesive Tapes (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、紙基材の少なくとも片面に下塗り層を介して
剥離剤層を設けてなる剥離紙に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a release paper having a release agent layer provided on at least one side of a paper base material via an undercoat layer.
現在、粘着テープ、ラベル等の粘着製品用ならびに合成
皮革、成形品等、例えばポリ塩化ビニル合成皮革や炭素
繊維プリプレグ等の製造工程用に多種多様な剥離紙が使
用されている。ここで剥離紙に要求される性能としては
、粘着製品の場合、粘着シートの粘着剤面を保護し、使
用時には良好な剥離性を持つことであり、また、製造工
程用の場合は作業性良好な剥離性を持ち、各種工程に適
した強度を持ち、耐熱劣化性を有することである。Currently, a wide variety of release papers are used for adhesive products such as adhesive tapes and labels, and for manufacturing processes of synthetic leather, molded products, etc., such as polyvinyl chloride synthetic leather and carbon fiber prepreg. The performance required of the release paper here is that in the case of adhesive products, it should protect the adhesive surface of the adhesive sheet and have good peelability during use, and if it is used in the manufacturing process, it should have good workability. It has good peelability, strength suitable for various processes, and heat deterioration resistance.
このような剥離紙は紙基材の少なくとも片面に下塗り層
を介して剥離剤層を設けたものである。Such release paper has a release agent layer provided on at least one side of a paper base material via an undercoat layer.
〔発明が解決しようとする問題点３
紙基材は、通常、多筒式ドライヤー抄紙機で酸性抄紙に
より製造したものであり、該基材による剥離紙は周囲の
湿度変化に伴う吸脱湿による寸法変化が大きく、さらに
加熱下での劣化が著しい。[Problem 3 to be solved by the invention The paper base material is usually produced by acidic paper making using a multi-tube dryer paper machine, and the release paper made from this base material is susceptible to moisture absorption and desorption caused by changes in ambient humidity. Dimensional changes are large and deterioration under heating is significant.
このため、多種多様な粘着製品やたとえば炭素繊維プリ
プレグ等の急激な温湿度変化の下における製造工程用の
剥離紙に要求される寸法安定性や耐熱劣化性を満足でき
ず、これらを改良した剥離紙が強く望まれている。For this reason, it has not been possible to satisfy the dimensional stability and heat deterioration resistance required for release paper used in the manufacturing process of a wide variety of adhesive products, such as carbon fiber prepreg, under rapid changes in temperature and humidity. Paper is highly desired.
本発明の目的は、上記欠点を改戻し、寸法安定性および
耐熱劣化性に優れた剥離紙を提供するにある。An object of the present invention is to overcome the above-mentioned drawbacks and provide a release paper with excellent dimensional stability and heat deterioration resistance.
本発明は、紙基材の少くとも片面に下塗り層を介して剥
離剤層を設けてなる剥離紙において、紙基材が片艶紙で
あることを特徴とする剥離紙に関するものである。本発
明により、寸法安定性および耐熱劣化性に優る剥離紙が
得られる。The present invention relates to a release paper in which a release agent layer is provided on at least one side of a paper base material via an undercoat layer, and the paper base material is a single-gloss paper. According to the present invention, a release paper having excellent dimensional stability and heat deterioration resistance can be obtained.
本発明において紙基材として使用する片艶紙とは、ヤン
キー・ドライヤー抄紙機により抄紙される、通常、坪量
３０〜３００ｙ−／ｙｎ”、厚さ５０〜４５０μの紙で
あり、吸脱湿による寸法変化が小さい。The single-glazed paper used as the paper base material in the present invention is a paper made by a Yankee dryer paper machine, which usually has a basis weight of 30 to 300 y-/yn" and a thickness of 50 to 450 μm, and is moisture absorbent and desorbable. dimensional change is small.
片艶紙製造に用いるバルブは、木材バルブであれば特に
限定されない。また、本発明の目的達成を損なわぬ範囲
において、基材である片艶紙は、適当量の第三の繊維状
物質、例えば、ポリエチレン、ポリプロピレンなどの合
成樹脂系バルブ、レーヨン、アクリルなどの合成繊維、
アスベスト。The valve used for producing single-glazed paper is not particularly limited as long as it is a wood valve. In addition, within the scope that does not impair the achievement of the purpose of the present invention, the single-glazed paper that is the base material may contain an appropriate amount of a third fibrous material, such as a synthetic resin valve such as polyethylene or polypropylene, or a synthetic resin material such as rayon or acrylic. fiber,
asbestos.
ガラス繊維などの無機質繊維を含んでいてもよい。It may also contain inorganic fibers such as glass fibers.
片艶紙は、中性サイズ剤や炭酸カルシウムを使用して中
性抄紙により製造することができるが、中性抄紙により
製造した紙基材は、とくに耐熱劣化性にすぐれているの
で、本発明における剥離紙の紙基材として特に有利であ
る。Single gloss paper can be manufactured by neutral papermaking using a neutral sizing agent or calcium carbonate, but the paper base material manufactured by neutral papermaking has particularly excellent heat deterioration resistance, so the present invention It is particularly advantageous as a paper base material for release papers.
この場合に使用する中性サイズ剤はアルキルケテンダイ
マーまたはアルケニルコハク酸無水物を使用するのが好
ましく、填料は重質または軽質炭酸カルシウムが好まし
く・。The neutral sizing agent used in this case is preferably an alkyl ketene dimer or alkenyl succinic anhydride, and the filler is preferably heavy or light calcium carbonate.
本発明の目的達成を損なわない範囲において、カチオン
化澱粉等の中性サイズ定着剤、カチオン化またはアニオ
ン化ポリアクリルアミド等の歩留向と剤や、スライムコ
ントロール剤を含むことは何等差支えない。There is no problem in containing a neutral size fixing agent such as cationized starch, a retention agent such as cationized or anionized polyacrylamide, and a slime control agent as long as it does not impair the achievement of the purpose of the present invention.
片艶紙は常用される湿式抄紙法に従って製造できる。一
般に、濃度０．１〜０．３重ｉ％程度の木材バルブにサ
イズ剤、填料などを加えたスラリーからヤンキー・ドラ
イヤー抄紙機を用いて、坪量３０〜３００ Ｐ ／ｍ’
、厚さ６０〜４５０μとなるように抄紙すればよい。Single-glazed paper can be manufactured according to commonly used wet papermaking methods. Generally, a paper machine with a basis weight of 30 to 300 P/m' is produced using a Yankee dryer paper machine from a slurry of wood bulbs with a concentration of about 0.1 to 0.3% by weight to which sizing agents, fillers, etc. are added.
, the paper may be made to have a thickness of 60 to 450 μm.
片艶紙の少な（とも片面に下塗り層を介して剥離剤層が
形成される。下塗り層は片艶紙および剥離剤との密着性
のよいクレー主体の顔料を塗工したもの、ポリビニルア
ルコール等の水溶性高分子物質を塗布したもの、ポリエ
チレンを押し出し塗工したもの、アクリル樹脂を主体と
した水性エマルジョンを塗布したもの等により形成する
ことができる。これらの材料をロールコータ−または押
し出し塗工等の常法で塗布し、乾燥および固化する。塗
工量は１〜２Ｇｉｉ’／ｉ（固型分換算）程度である。Single gloss paper (with a release agent layer formed on one side via an undercoat layer.The undercoat layer is coated with a clay-based pigment that has good adhesion to single gloss paper and release agent, polyvinyl alcohol, etc.) These materials can be coated with a water-soluble polymer material, extrusion coated with polyethylene, or coated with an aqueous emulsion mainly composed of acrylic resin.These materials can be coated with a roll coater or extrusion coated. The coating amount is approximately 1 to 2 Gii'/i (in terms of solid content).
使用する剥離剤は格別限定されるわけでなく、シリコー
ン系樹脂および長鎖アルキルアクリレート重合体のよう
な非シリコーン系樹脂等の、公知の剥離剤はいずれも使
用でき、また剥離剤層の形成も常法に従って行うことが
できる。The release agent to be used is not particularly limited, and any known release agents such as silicone resins and non-silicone resins such as long-chain alkyl acrylate polymers can be used, and the release agent layer can also be formed. This can be done according to conventional methods.
このようにして得た剥離紙は、寸法安定性および耐熱劣
化性にすぐれており、たとえば炭素繊維プリプレグの製
造工程におけるように、急激な温度、湿度の変化を経過
しなければならない場合であっても十分使用に耐えるも
のである。The release paper obtained in this way has excellent dimensional stability and heat deterioration resistance, and can be used in cases where rapid changes in temperature and humidity must be passed, such as in the manufacturing process of carbon fiber prepreg. It is also durable enough for use.
実施例 １゜
広葉樹晒クラフトバルブ（フリーネス５００ＣＣＣ，Ｓ
、Ｉ’ ） ５０重量％と針葉樹晒クラフトバルブ（フ
リーネス４００ ｃｃ Ｃ，Ｓ、Ｆ ） ５０重量％と
の混合物からヤンキー・ドライヤー抄紙機を用いて、坪
量８０Ｐ／ｒｒ？の片艶紙を抄紙した。Example 1゜Bleached hardwood kraft valve (freeness 500CCC, S
, I') and 50% by weight of softwood bleached kraft valve (freeness 400 cc C, S, F) using a Yankee dryer paper machine, basis weight 80P/rr? Paper was made from single-glazed paper.
このようにして得た片艶紙の片面にポリビニルアルコー
ル（商品名デンカポバールＫ １７ Ｅ、電気化学工業
■製）を２？／ｒｒｊｃ固型分換算）塗布し、乾燥し、
下塗り層を形成した。さらに、この下塗り層の面にシリ
コーン剥離剤塗工液（濃度：５重量％）を塗布し、乾燥
、硬化させ、剥離紙を得た。Polyvinyl alcohol (trade name: Denka Poval K 17 E, manufactured by Denki Kagaku Kogyo ■) was applied to one side of the glossy paper thus obtained for 2 to 3 hours. /rrjc solid content) and dry.
An undercoat layer was formed. Furthermore, a silicone release agent coating solution (concentration: 5% by weight) was applied to the surface of this undercoat layer, dried and cured to obtain a release paper.
実施例 ２゜
実施例１のクラフトバルブ混合物に中性サイズ剤トシて
アルキルケテンダイマー（商品名ＭＸ２１６４花王■製
）を０．２％（対バルブ）、沈降性炭酸カルシウムを１
５％（対バルブ）、歩留向上剤としてカチオン化ポリア
クリルアミド（商品名 サンリチンＤＭ５４３三洋化成
工業■製）を０．２％内添した紙料によりヤンキー・ド
ライヤー抄紙機を用いて、坪量８０Ｐ／ｍの片艶紙を抄
紙した。Example 2゜To the Kraft valve mixture of Example 1, 0.2% (per valve) of a neutral sizing agent, alkyl ketene dimer (product name: MX2164 manufactured by Kao ■) and 1% of precipitated calcium carbonate were added.
5% (for valves) and 0.2% of cationized polyacrylamide (trade name: Sanritin DM543, manufactured by Sanyo Chemical Industries, Ltd.) as a retention improver. /m single gloss paper was made.
このようにして得た片艶紙の片面に実施例１と同様にし
て下塗り層、剥離剤層を形成して剥離紙を得た。A release paper was obtained by forming an undercoat layer and a release agent layer on one side of the single gloss paper thus obtained in the same manner as in Example 1.
比較例 １．及び２゜
実施例１及び２においての紙料を抄紙するに当り、ヤン
キー・ドライヤー抄紙機にかえて、多筒式ドライヤー抄
紙機を使用して抄紙し、晒クラフト紙を得た。Comparative example 1. and 2. In making paper from the paper stock in Examples 1 and 2, a multi-barrel dryer paper machine was used instead of the Yankee dryer paper machine to obtain bleached kraft paper.
同晒クラフト紙の片面に、実施例１と同様の加工処理を
行って比較用試料１及び２を得た。Comparative samples 1 and 2 were obtained by performing the same processing as in Example 1 on one side of the same bleached kraft paper.
実施例及び比較例の剥離紙について、耐湿寸法安定性及
び耐熱劣化性を測定した結果を表に示す。The results of measuring the moisture dimensional stability and heat deterioration resistance of the release papers of Examples and Comparative Examples are shown in the table.
なお、耐湿寸法安定性は、Ｊ、ＴＡＰＰＩ紙バルブ試験
方法＆２８ １８に準じて、温度２０℃湿度範囲６３％
ＲＨから８５％ＲＨに変化させた時に生じる巾方向の伸
びを測定した。又、耐熱劣化性については、１０５℃２
４時間熱処理前後の試料をＪＩＳ Ｐ８１１５（耐折強
さ試験）に基づき評価し、次式で残留強度を算出した。In addition, the moisture resistance dimensional stability is determined according to J.
The elongation in the width direction that occurs when changing from RH to 85% RH was measured. In addition, regarding heat deterioration resistance, 105℃2
The samples before and after the 4-hour heat treatment were evaluated based on JIS P8115 (folding strength test), and the residual strength was calculated using the following formula.
本発明により、これまで求められながら実現できなかっ
たすぐれた寸法安定性や耐熱劣化性を有する剥離紙を提
供することができた。The present invention has made it possible to provide a release paper having excellent dimensional stability and heat deterioration resistance, which have been desired but could not be achieved until now.
Claims (2)
剤層を設けてなる剥離紙において、紙基材が片艶紙であ
ることを特徴とする剥離紙。(1) A release paper comprising a release agent layer provided on at least one side of a paper base material via an undercoat layer, wherein the paper base material is a single-gloss paper.
許請求の範囲第１項記載の剥離紙。(2) The release paper according to claim 1, wherein the single-gloss paper is produced by neutral papermaking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4002786A JPS62197483A (en) | 1986-02-25 | 1986-02-25 | Release paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4002786A JPS62197483A (en) | 1986-02-25 | 1986-02-25 | Release paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62197483A true JPS62197483A (en) | 1987-09-01 |
Family
ID=12569420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4002786A Pending JPS62197483A (en) | 1986-02-25 | 1986-02-25 | Release paper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62197483A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991018068A1 (en) * | 1990-05-17 | 1991-11-28 | Ko-Pack Kabushiki Kaisha | Stripping paper and adhesive sheet with stripping paper |
| US5827590A (en) * | 1995-09-21 | 1998-10-27 | Ricoh Company, Ltd. | Thermosensitive recording adhesive label sheet |
-
1986
- 1986-02-25 JP JP4002786A patent/JPS62197483A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991018068A1 (en) * | 1990-05-17 | 1991-11-28 | Ko-Pack Kabushiki Kaisha | Stripping paper and adhesive sheet with stripping paper |
| US5275855A (en) * | 1990-05-17 | 1994-01-04 | Ko-Pack Kabushiki Kaisha | Stripping paper and adhesive sheet with stripping paper |
| US5827590A (en) * | 1995-09-21 | 1998-10-27 | Ricoh Company, Ltd. | Thermosensitive recording adhesive label sheet |
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