JP2007253521A - Embossed mold release paper - Google Patents
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- JP2007253521A JP2007253521A JP2006082708A JP2006082708A JP2007253521A JP 2007253521 A JP2007253521 A JP 2007253521A JP 2006082708 A JP2006082708 A JP 2006082708A JP 2006082708 A JP2006082708 A JP 2006082708A JP 2007253521 A JP2007253521 A JP 2007253521A
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- 238000004049 embossing Methods 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 23
- 239000011347 resin Substances 0.000 claims abstract description 23
- 229920006167 biodegradable resin Polymers 0.000 claims abstract description 15
- 239000012943 hotmelt Substances 0.000 claims abstract description 12
- 229920000642 polymer Polymers 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims description 9
- 229920005672 polyolefin resin Polymers 0.000 claims description 7
- 229920005992 thermoplastic resin Polymers 0.000 abstract description 9
- 239000003208 petroleum Substances 0.000 abstract description 6
- 239000000123 paper Substances 0.000 description 37
- -1 polypropylene Polymers 0.000 description 11
- 229920000098 polyolefin Polymers 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- 239000004743 Polypropylene Substances 0.000 description 6
- 229920001155 polypropylene Polymers 0.000 description 6
- 229920000747 poly(lactic acid) Polymers 0.000 description 5
- 239000004626 polylactic acid Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000012790 confirmation Methods 0.000 description 3
- 239000002649 leather substitute Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- ZMKVBUOZONDYBW-UHFFFAOYSA-N 1,6-dioxecane-2,5-dione Chemical compound O=C1CCC(=O)OCCCCO1 ZMKVBUOZONDYBW-UHFFFAOYSA-N 0.000 description 2
- WHBMMWSBFZVSSR-UHFFFAOYSA-N 3-hydroxybutyric acid Chemical compound CC(O)CC(O)=O WHBMMWSBFZVSSR-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920002961 polybutylene succinate Polymers 0.000 description 2
- 239000004631 polybutylene succinate Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- AXKZIDYFAMKWSA-UHFFFAOYSA-N 1,6-dioxacyclododecane-7,12-dione Chemical compound O=C1CCCCC(=O)OCCCCO1 AXKZIDYFAMKWSA-UHFFFAOYSA-N 0.000 description 1
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000010169 landfilling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Abstract
Description
本発明は、特に合成皮革製造に用いられる熱エンボスタイプのエンボス付き離型紙に関する。 The present invention relates to a heat-embossed release paper with embossing used especially for synthetic leather production.
従来、紙基材の上にポリプロピレンやＴ．Ｐ．Ｘポリマー（ポリメチルペンテン−１）等のポリオレフィン系熱可塑性樹脂からなる離型層を設けた熱エンボスタイプの工程離型紙が用いられている（例えば特許文献１、特許文献２参照）。
しかしながら、従来の工程離型紙においては離型層を構成するポリオレフィン系熱可塑性樹脂は石油資源を原料としていることから、近年のエネルギー問題や資源枯渇問題に対して考慮されたものではない。また、ポリオレフィン系熱可塑性樹脂は石油資源からなる故に石油の価格に左右され、近年、ポリオレフィン系熱可塑性樹脂の価格は高くなっている。また、ポリオレフィン系熱可塑性樹脂等のプラスチックは焼却する場合は発熱カロリーが高過ぎて焼却炉を痛めたりする問題があり、焼却しないで埋め立て処分する場合でも、プラスチックは他の廃棄物に比べて単位重量当りの容積比が高い上、何時までも腐敗しないで残るため、埋め立て後の地盤を弱くし、埋め立て地の跡地利用を無根難にする等の問題がある。
本発明の課題は、ポリオレフィン系熱可塑性樹脂の使用量を減らし、結果として石油資源の使用量を減らすことができるため環境にやさしいエンボス付き離型紙を提供することである。
However, in the conventional process release paper, since the polyolefin-based thermoplastic resin constituting the release layer is made from petroleum resources, it has not been considered for recent energy problems and resource depletion problems. In addition, since polyolefin-based thermoplastic resins are made of petroleum resources, they are affected by the price of petroleum, and in recent years, the prices of polyolefin-based thermoplastic resins have increased. In addition, when incinerating plastics such as polyolefin-based thermoplastic resins, there is a problem that calorific value is too high and damages the incinerator, and even when landfilling without incineration, plastic is a unit compared to other wastes. Since the volume ratio per weight is high and it remains without decay, there are problems such as weakening the ground after landfill and making it difficult to use the land of the landfill.
An object of the present invention is to provide an environmentally-friendly embossed release paper because the amount of polyolefin-based thermoplastic resin used can be reduced and, as a result, the amount of petroleum resources used can be reduced.
請求項１に記載の発明は、上記の課題を解決するもので、少なくとも紙／熱溶融樹脂から構成され、熱溶融樹脂にエンボスが形成されている熱エンボスタイプのエンボス付き離型紙であって、前記熱溶融樹脂は生分解性樹脂とポリオレフィン系樹脂のブレンドポリマーからなることを特徴とするエンボス付き離型紙を要旨とする。
Invention of
離型層を構成する熱溶融樹脂を生分解性樹脂とポリオレフィン系樹脂のブレンドポリマーで構成することによりポリオレフィン系熱可塑性樹脂の使用量を減らすことができる。しかも使用後は自然環境内で生分解性樹脂は完全に分解するため、環境に優しい。 By using the blended polymer of biodegradable resin and polyolefin resin as the hot melt resin constituting the release layer, the amount of polyolefin thermoplastic resin used can be reduced. Moreover, after use, the biodegradable resin is completely decomposed in the natural environment, so it is environmentally friendly.
その場合、前記熱溶融樹脂に対する生分解性樹脂の比率が重量比で５％以上７５％以下の範囲にあることが望ましい。而して前記重量比が５％よりも小さいと殆ど生分解性を示さなくなるため好ましくない。また、前記重量比が７５％を越えると賦型性が低下し、また剥離性が悪くなるので好ましくない。また、前記重量比が５％以上７５％以下の範囲にあるとき、従来品とほぼ同様の性能が得られる。しかも生分解性樹脂が含まれているので、使用後は自然環境内で完全に分解するため環境に優しい。 In that case, it is desirable that the ratio of the biodegradable resin to the hot-melt resin is in the range of 5% to 75% by weight. Therefore, it is not preferable that the weight ratio is less than 5%, since the biodegradability is hardly exhibited. On the other hand, if the weight ratio exceeds 75%, the moldability is lowered and the peelability is deteriorated. When the weight ratio is in the range of 5% to 75%, substantially the same performance as that of the conventional product can be obtained. Moreover, because it contains a biodegradable resin, it is environmentally friendly because it is completely decomposed in the natural environment after use.
本発明によれば、エンボス付き離型紙は、少なくとも紙／熱溶融樹脂から構成され、熱溶融樹脂にエンボスが形成されている熱エンボスタイプのエンボス付き離型紙において、前記熱溶融樹脂は生分解性樹脂とポリオレフィン系樹脂のブレンドポリマーからなるので、ポリオレフィン系熱可塑性樹脂の使用量を減らすことができたにもかかわらず、従来品とほぼ同様の性能が得られ、しかも使用後は生分解生樹脂は自然環境内で完全に分解するため環境に優しいエンボス付き離型紙を提供し得るものである。 According to the present invention, the embossed release paper is composed of at least paper / hot melt resin, and in the hot emboss type release paper with emboss formed in the hot melt resin, the hot melt resin is biodegradable. Because it is composed of a blend polymer of resin and polyolefin resin, it can achieve almost the same performance as conventional products even though the amount of polyolefin thermoplastic resin used can be reduced. Can provide an environmentally friendly embossed release paper because it completely decomposes in the natural environment.
図１は本発明に係るエンボス付き離型紙を図示する。 FIG. 1 illustrates an embossed release paper according to the present invention.
本発明に係るエンボス付離型紙は、紙基材１とその上に設けたエンボス付き離型層２からなり、エンボス付き離型層２は、生分解性樹脂とポリオレフィン系樹脂のブレンドポリマーからなる。
The embossed release paper according to the present invention comprises a
紙基材としては、クラフト紙、上質紙、模造紙、アート紙、コート紙等を使用することができる。
この紙基材１の坪量は８０〜２００ｇ／ｍ2程度が好ましい。この紙基材のエンボス付き離型層２を形成する側の面には、紙基材とエンボス付き離型層２間の接着性を高めるために予め加熱処理あるいはコロナ処理を施しても良い。
As the paper substrate, kraft paper, fine paper, imitation paper, art paper, coated paper and the like can be used.
The basis weight of the
エンボス付き離型層は生分解性樹脂とポリオレフィン系樹脂のブレンドポリマーよりなる熱溶融樹脂からなる。
エンボス付き離型紙を用いた合成皮革製造に用いる場合ウレタンの乾燥温度が１２０〜１４０℃であるが故に、エンボス付き離型層を構成する生分解性樹脂及びポリオレフィンはその温度に耐える耐熱性を有するものでなければならない。
生分解性樹脂としては、ポリ乳酸、ポリブチレンサクシネート（ＰＢＳ）、ポリエチレンサクシネート（ＰＥＳ）、ポリ（３−ヒドロキシブタン酸）（Ｐ（３ＨＢ））、ポリ（ブチレンサクシネート／アジペート）、ポリ（ブチレンサクシネート／カーボネート）、ポリ（ブチレンアジペート／テレフタレート）、ポリ（エチレンテレフタレート／アジペート）等を適用し得るが、特に１８０℃前後の融点を有し、また、ガラス転移点が室温以上に有り、ポリエチレンテレフタレートとよく似た性質を示すポリ乳酸が好ましい。
ポリオレフィン系樹脂として、ポリプロピレンのほか、Ｔ．Ｐ．Ｘ．ポリマー（ポリメチルペンテン−１）、ポリプロピレンとポリエチレンのブレンド物を使用することができる。
The embossed release layer is made of a hot-melt resin made of a blend polymer of biodegradable resin and polyolefin resin.
When used for synthetic leather production using embossed release paper, since the drying temperature of urethane is 120-140 ° C, the biodegradable resin and polyolefin constituting the embossed release layer have heat resistance to withstand that temperature. Must be a thing.
Biodegradable resins include polylactic acid, polybutylene succinate (PBS), polyethylene succinate (PES), poly (3-hydroxybutanoic acid) (P (3HB)), poly (butylene succinate / adipate), poly (Butylene succinate / carbonate), poly (butylene adipate / terephthalate), poly (ethylene terephthalate / adipate), etc. can be applied, but it has a melting point of around 180 ° C. and has a glass transition point above room temperature. Polylactic acid showing properties similar to those of polyethylene terephthalate is preferable.
Polyolefin resins include T.P. P. X. A polymer (polymethylpentene-1), a blend of polypropylene and polyethylene can be used.
前記熱溶融樹脂に対する生分解性樹脂の比率が重量比で５％以上７５％以下の範囲にあることが望ましい。而して前記重量比が５％よりも小さいと殆ど生分解性を示さなくなるため好ましくない。また、前記重量比が７５％を越えると賦型性が低下し、また剥離性が悪くなるので好ましくない。また、前記重量比が５％以上７５％以下の範囲にあるとき、従来品とほぼ同様の性能が得られる。しかも生分解性樹脂が含まれているので、使用後は自然環境内で完全に分解するため環境に優しい。 The ratio of the biodegradable resin to the hot-melt resin is preferably in the range of 5% to 75% by weight. Therefore, it is not preferable that the weight ratio is less than 5%, since the biodegradability is hardly exhibited. On the other hand, if the weight ratio exceeds 75%, the moldability is lowered and the peelability is deteriorated. When the weight ratio is in the range of 5% to 75%, substantially the same performance as that of the conventional product can be obtained. Moreover, because it contains a biodegradable resin, it is environmentally friendly because it is completely decomposed in the natural environment after use.
基材となる紙（坪量；１２５ｇ、伸度（縦）；８．２％、伸度（横）；１７．４％、伸度比率（横／縦比＝２．１２）にポリ乳酸（商品名；レイシア、三井化学製）を５重量％、ポリプロピレン（メーカー；モンテルＳＤＫサンライズ、グレード；ＰＨ９４３Ｂ、厚み；３０μ、融点；１３４℃）を９５重量％を樹脂温度２４０℃で溶融し、３０μの厚みに押出加工することによりエンボス前の離型基材を作製した。その後エンボス機（由利ロール製）の１２０℃に加熱された熱エンボスロールを通し、エンボス付き離型紙を作製した。
次にエンボス面の賦型性について、３次元粗さ測定機を用い、縦方向及び横方向のエンボス表面＋点平均粗さ（Ｒｚ）より賦型率を計算した。また、機能面での確認のために、５回使用後の離型紙の剥離性、耐熱性を調べた。
The base paper (basis weight: 125 g, elongation (length): 8.2%, elongation (width): 17.4%, elongation ratio (width / length ratio = 2.12) and polylactic acid ( Product name: Lacia, manufactured by Mitsui Chemicals, 5% by weight, polypropylene (manufacturer: Montel SDK Sunrise, grade: PH943B, thickness: 30μ, melting point: 134 ° C), 95% by weight was melted at a resin temperature of 240 ° C, and 30μ A release substrate before embossing was prepared by extruding to a thickness, and then passing through a hot embossing roll heated to 120 ° C. of an embossing machine (manufactured by Yuri Roll) to prepare a release paper with embossing.
Next, regarding the moldability of the embossed surface, the moldability was calculated from the embossed surface in the vertical direction and the horizontal direction + point average roughness (Rz) using a three-dimensional roughness measuring machine. Further, for confirmation on the function side, the peelability and heat resistance of the release paper after 5 times of use were examined.
［比較例１］
基材となる紙（坪量；１２５ｇ、伸度（縦）；８．２％、伸度（横）；１７．４％、伸度比率（横／縦比＝２．１２）に、１００％ポリプロピレン樹脂（メーカー；モンテルＳＤＫサンライズ、グレード；ＰＨ９４３Ｂ、厚み；３０μ、融点；１３４℃）を樹脂温度２４０℃で溶融し、３０μの厚みに押出加工することにより、エンボス前の離型基材を作製した。その後エンボス機（由利ロール製）の１２０℃に加熱された熱エンボスロールを通し、エンボス付き離型紙を作製した。
次にエンボス面の賦型性について、３次元粗さ測定機を用い、縦方向及び横方向のエンボス表面＋点平均粗さ（Ｒｚ）より賦型率を計算した。また、機能面での確認のために、５回使用後の離型紙の剥離性、耐熱性を調べた。
[Comparative Example 1]
Paper as base material (basis weight: 125 g, elongation (length): 8.2%, elongation (width): 17.4%, elongation ratio (width / length ratio = 2.12), 100% Polypropylene resin (Manufacturer; Montel SDK Sunrise, Grade: PH943B, Thickness: 30μ, Melting point: 134 ° C) is melted at a resin temperature of 240 ° C and extruded to a thickness of 30μ to prepare a release substrate before embossing. Thereafter, a hot embossing roll heated to 120 ° C. of an embossing machine (manufactured by Yuri Roll) was passed through to produce a release paper with embossing.
Next, regarding the moldability of the embossed surface, the moldability was calculated from the embossed surface in the vertical direction and the horizontal direction + point average roughness (Rz) using a three-dimensional roughness measuring machine. Further, for confirmation on the function side, the peelability and heat resistance of the release paper after 5 times of use were examined.
［比較例２］
基材となる紙（坪量；１２５ｇ、伸度（縦）；８．２％、伸度（横）；１７．４％、伸度比率（横／縦比＝２．１２）にポリ乳酸（商品名；レイシア、三井化学製）の８０重量％と、ポリプロピレン（メーカー；モンテルＳＤＫサンライズ、グレード；ＰＨ９４３Ｂ、厚み；３０μ、融点；１３４℃）を２０重量％を樹脂温度２４０℃で溶融し、３０μの厚みに押出加工することによりエンボス前の離型基材を作製した。その後エンボス機（由利ロール製）の１２０℃に加熱された熱エンボスロールを通し、エンボス付き離型紙を作製した。
次にエンボス面の賦型性について、３次元粗さ測定機を用い、縦方向及び横方向のエンボス表面＋点平均粗さ（Ｒｚ）より賦型率を計算した。また、機能面での確認のために、５回使用後の離型紙の剥離性、耐熱性を調べた。
[Comparative Example 2]
The base paper (basis weight: 125 g, elongation (length): 8.2%, elongation (width): 17.4%, elongation ratio (width / length ratio = 2.12) and polylactic acid ( 80% by weight of trade name: Lacia, manufactured by Mitsui Chemicals, and 20% by weight of polypropylene (manufacturer; Montel SDK Sunrise, grade: PH943B, thickness: 30μ, melting point: 134 ° C) were melted at a resin temperature of 240 ° C, and 30μ A release substrate before embossing was prepared by extruding to a thickness of 2. After that, a release paper with embossing was prepared through a hot embossing roll heated to 120 ° C. of an embossing machine (manufactured by Yuri Roll).
Next, regarding the moldability of the embossed surface, the moldability was calculated from the embossed surface in the vertical direction and the horizontal direction + point average roughness (Rz) using a three-dimensional roughness measuring machine. Further, for confirmation on the function side, the peelability and heat resistance of the release paper after 5 times of use were examined.
実施例及び比較例１で求めた賦型率、５回使用後の剥離性及び耐熱性を表１に示す。 Table 1 shows the forming rate obtained in Examples and Comparative Example 1, and the peelability and heat resistance after 5 times of use.
表１に示すように実施例においては、離型基材が生分解性樹脂（ポリ乳酸）を５％含んでいることから、石油資源を用いたポリプロピレンの使用量を少なくすることができたにもかかわらず、比較例１の従来品とほぼ同様の性能が得られることがわかった。 As shown in Table 1, in the examples, since the release substrate contains 5% of biodegradable resin (polylactic acid), the amount of polypropylene used for petroleum resources could be reduced. Nevertheless, it was found that almost the same performance as the conventional product of Comparative Example 1 was obtained.
本発明のエンボス付き離型紙は、例えば、エンボス付き離型紙の上にペースト状のポリウレタン樹脂を塗布し、乾燥・固化した後、基布と貼り合わせる合成皮革の製造に利用することができる。そして本発明のエンボス付き離型紙は、使用後自然環境内で完全に分解するので環境に優しいものである。 The release paper with embossing of the present invention can be used, for example, for the production of synthetic leather to be bonded to a base fabric after applying a paste-like polyurethane resin on the release paper with embossing, drying and solidifying. The embossed release paper of the present invention is environmentally friendly because it is completely decomposed in the natural environment after use.
１ 紙基材
２ エンボス付き離型層
1
Claims (2)
2. The embossed release paper according to claim 1, wherein the ratio of the biodegradable resin to the hot melt resin is in the range of 5% to 75% by weight.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006082708A JP2007253521A (en) | 2006-03-24 | 2006-03-24 | Embossed mold release paper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006082708A JP2007253521A (en) | 2006-03-24 | 2006-03-24 | Embossed mold release paper |
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| JP2007253521A true JP2007253521A (en) | 2007-10-04 |
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| JP2006082708A Pending JP2007253521A (en) | 2006-03-24 | 2006-03-24 | Embossed mold release paper |
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| Country | Link |
|---|---|
| JP (1) | JP2007253521A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06171050A (en) * | 1992-05-13 | 1994-06-21 | Showa Highpolymer Co Ltd | Laminate |
| JP2002166500A (en) * | 2000-11-29 | 2002-06-11 | Mitsui Chemicals Inc | Mold release paper |
| JP2005068232A (en) * | 2003-08-21 | 2005-03-17 | Kaito Kagaku Kogyo Kk | Biodegradable blend resin and laminated film comprising said biodegradable blend resin |
-
2006
- 2006-03-24 JP JP2006082708A patent/JP2007253521A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06171050A (en) * | 1992-05-13 | 1994-06-21 | Showa Highpolymer Co Ltd | Laminate |
| JP2002166500A (en) * | 2000-11-29 | 2002-06-11 | Mitsui Chemicals Inc | Mold release paper |
| JP2005068232A (en) * | 2003-08-21 | 2005-03-17 | Kaito Kagaku Kogyo Kk | Biodegradable blend resin and laminated film comprising said biodegradable blend resin |
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