CN110603300A - 辊及辊的制造方法 - Google Patents

辊及辊的制造方法 Download PDF

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Publication number
CN110603300A
CN110603300A CN201780090395.0A CN201780090395A CN110603300A CN 110603300 A CN110603300 A CN 110603300A CN 201780090395 A CN201780090395 A CN 201780090395A CN 110603300 A CN110603300 A CN 110603300A
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China
Prior art keywords
release liner
process film
film
laminate
roller
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Granted
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CN201780090395.0A
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CN110603300B (zh
Inventor
金子麻由
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Lindeko Corp
Lintec Corp
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Lindeko Corp
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Abstract

本发明提供一种能够抑制隧道现象的辊及辊的制造方法。所述辊100具备具有筒状的芯110及卷绕在芯周围的层叠体120。层叠体沿层叠方向依次具有工序膜125、由氟树脂形成的表面涂层124、基材层121、粘着剂层122、及由聚对苯二甲酸乙二醇酯(PET)形成的剥离衬垫123。工序膜由选自由聚对苯二甲酸乙二醇酯(PET)、聚烯烃、及聚氯乙烯(PVC)组成的组中的至少一种形成，且比剥离衬垫更薄。

Description

辊及辊的制造方法
技术领域
本发明涉及一种辊及辊的制造方法。
背景技术
以往，例如，如专利文献1中公开的所示，具有基材层、粘着剂层及剥离衬垫的层叠体被用作保护汽车的车体表面的漆面保护膜等，例如专利文献2中公开了在基材层的表面形成由氟树脂构成的表面涂层，提高防污性能等。
这种表面涂层能够通过在基材层上涂布包含规定的组合物的涂布液，并使其固化而形成，当基材层较长而将其卷绕时，在充分固化前为柔软状态的表面涂层的表面变凹凸，发生粘连(未固化的涂膜附着于其他的基材层的现象)。
因此，为了不发生上述现象，本申请的发明人尝试在表面涂层上配置比较坚硬且坚韧的工序膜。由此制作的层叠体沿层叠方向依次具有工序膜、表面涂层、基材层、粘着剂层及剥离衬垫。
现有技术文献
专利文献
专利文献1：日本特开2016-020079号公报
专利文献2：日本特开2014-224220号公报
发明内容
本发明要解决的技术问题
然而，当本申请的发明人卷绕这种层叠体从而制作辊时，有时剥离衬垫会以例如起伏的形式产生应变，剥离衬垫与粘着剂层之间产生隧道现象(tunneling)(部分浮起)。
本申请的发明人想到这是由于含有比较硬且坚韧的工序膜，因而剥离衬垫受到了约束，例如在环境的温度或湿度发生变化而膨胀或收缩时，或施加卷压而变形时，剥离衬垫无法沿辊的圆周方向自由伸缩。
若存在隧道现象，则与其相邻的粘着剂层的表面随着剥离衬垫的应变而变形，有时该痕迹残留在粘着剂层的表面，若这样的痕迹残留在例如漆面保护膜这样的具有透明性的产品上，则在贴附于车体等被粘物上时，可目视确认到例如条纹图案，损害外观，因而不优选。
因此，本发明的目的在于，基于本申请的发明人的上述新的着眼点，提供一种可抑制隧道现象的辊及辊的制造方法。
解决技术问题的技术手段
用于达成上述目的的本发明的辊具备具有筒状的芯及卷绕在该芯周围的层叠体。该层叠体沿层叠方向依次具有工序膜、由氟树脂形成的表面涂层、基材层、粘着剂层、由聚对苯二甲酸乙二醇酯(PET)形成的剥离衬垫。所述工序膜由选自由聚对苯二甲酸乙二醇酯(PET)、聚烯烃及聚氯乙烯(PVC)组成的组中的至少一种形成，且比所述剥离衬垫更薄。
在用于达成上述目的的本发明的辊的制造方法中，在构成所述基材层的长基材的一面侧上形成含有氟树脂的组合物的涂膜，在该涂膜上配置所述工序膜后，将所述基材与所述涂膜及所述工序膜一同卷绕，以该状态使所述涂膜固化而形成所述表面涂层。然后，在本发明的辊的制造方法中，将所述基材与所述工序膜及所述表面涂层一同放卷，在所述基材的另一面侧上设置所述粘着剂层及所述剥离衬垫，得到所述层叠体，在所述芯的周围卷绕该层叠体，制造所述辊。
发明效果
根据具有上述构成的辊及辊的制造方法，缓解了对剥离衬垫的约束，剥离衬垫容易沿着辊的圆周方向自由伸缩。因此，剥离衬垫不易发生应变，粘着剂层与剥离衬垫之间不易产生隧道现象。
附图说明
图1为示出第一实施方式的辊的透视图。
图2为部分示出与实施方式不同的辊的层叠体的图。
图3为部分示出第一实施方式的辊的层叠体的图。
图4为示出第二实施方式的辊的透视图。
图5为部分示出第二实施方式的辊的层叠体的图。
图6为示出实施例、比较例及参考例的层叠体的图。
具体实施方式
以下，边参考附图边对本发明的实施方式进行说明。另外，为了便于说明，附图的尺寸比例存在夸张，与实际比例并不相同。
＜第一实施方式＞
如图1所示，第一实施方式的辊100具有芯110及层叠体120。
芯110具有筒状，其内径例如为3英寸、6英寸或11英寸，厚度例如为4mm以上12mm以下，优选为5mm以上6mm以下，但尺寸并不限于此。
芯110的形成材料例如为丙烯腈-丁二烯-苯乙烯共聚物树脂(ABS)或聚丙烯(PP)等树脂，但并不限定于此。芯110例如也可以为纸筒。
层叠体120较长，其卷绕在芯110的周围并被压实。层叠体120的全长例如为15m，但并不限于此。从辊100上抽出层叠体120，将其裁切成适当的大小或形状而进行使用。
层叠体120例如为贴附在汽车的车体表面以保护涂饰面的漆面保护膜，但并不限于此，例如也可以为贴附在看板等除车体以外的被粘物上以保护其表面或进行装饰的膜。
层叠体120沿层叠方向依次具有工序膜125(CAP sheet)、表面涂层124、基材层121、粘着剂层122及剥离衬垫123。
基材层121由具有柔软性的树脂形成。基材层121的形成材料优选为聚氨酯(PU)，但并不限于此，例如也可以为聚氯乙烯(PVC)或离聚物等其他树脂。由于聚氨酯(PU)的柔软性优异，因此适合于如贴附在车体表面的漆面保护膜那样的、要求对经常用作曲面的被粘物的追随性的用途。
基材层121的厚度例如为100μm以上300μm以下，但并不限于此，通过使基材层121的厚度变薄，能够提高柔软性，通过使厚度变厚，能够提高耐擦伤性。
粘着剂层122(压敏粘合剂层)例如可由丙烯酸类粘着剂、橡胶类粘着剂、硅酮类粘着剂、聚氨酯类粘着剂、聚酯类粘着剂等形成，但粘着剂层122的形成材料并不受这些粘着剂的限定。此外，这些粘着剂可以单独使用一种，也可以同时使用两种以上。粘着剂层122的厚度例如为10μm以上100μm以下，但并不限于此。
剥离衬垫123配置于粘着剂层122的表面，且可自由剥离。在剥离衬垫123的表面可涂布硅酮等剥离剂。剥离剥离衬垫123所需的剥离力没有特别限定，优选操作者可用手轻松剥离。层叠体120以剥离剥离衬垫123而露出粘着剂层122的状态贴附在被粘物上。
剥离衬垫123由聚对苯二甲酸乙二醇酯(PET)形成。
剥离衬垫123虽具有柔软性，但若过于柔软，则操作者在剥离时不易掀起。
此外，当层叠体120根据被粘物而被裁切成规定的形状时，剥离衬垫123支撑层叠体120，使其能够精确地裁切，但若剥离衬垫123过于柔软，则层叠体120容易因抵靠的刀片而变形，可能会妨碍精准的裁切。
另一方面，由于本实施方式的剥离衬垫123由树脂中较硬且坚韧的聚对苯二甲酸乙二醇酯(PET)形成，因此容易掀起，此外，层叠体120的切割性能也良好。
此外，剥离衬垫123由树脂中表面平滑性较高的聚对苯二甲酸乙二醇酯(PET)形成，因此相邻的粘着剂层122的平滑性也良好。
与本实施方式不同，若剥离衬垫123的表面粗糙，则粘着剂层122的表面也可能随之而变得粗糙，其粗糙度可被识别，损害外观，因而不优选。
另一方面，本实施方式中，剥离衬垫123的表面平滑，可抑制粘着剂层122的表面的粗糙。因此，即使为例如漆面保护膜这样的具有透明性的产品，也不易损害外观。
考虑到如上所述的掀起容易度、切割性能、及平滑性，本实施方式中使用了由聚对苯二甲酸乙二醇酯(PET)形成的剥离衬垫123。
剥离衬垫123的厚度例如为30μm以上150μm以下，但并不限定于此。
表面涂层124由氟树脂形成，具有防污性能。表面涂层124的厚度没有特别限定，例如为0.5～50μm。
作为表面涂层124的形成材料的氟树脂优选为交联体。表面涂层124的形成材料更优选为经固化的组合物，该组合物含有异氰酸酯类交联剂及环氧类交联剂中的至少一种交联剂、以及具有能够与交联剂进行反应的官能团的氟树脂。这样的表面涂层124具有良好的拉伸性。
作为异氰酸酯类交联剂，可列举出三亚甲基二异氰酸酯、四亚甲基二异氰酸酯、六亚甲基二异氰酸酯、五亚甲基二异氰酸酯、1,2-丙烯二异氰酸酯(1,2-propylenediisocyanate)、1,2-丁烯二异氰酸酯(1,2-butylene diisocyanate)、2,3-丁烯二异氰酸酯(2,3-butylene diisocyanate)、1,3-丁烯二异氰酸酯(1,3-butylene diisocyanate)、2,2,4-三甲基六亚甲基二异氰酸酯、2,4,4-三甲基六亚甲基二异氰酸酯、2,6-二异氰酸基己酸甲酯、赖氨酸二异氰酸酯、赖氨酸酯三异氰酸酯、1,6,11-十一烷三异氰酸酯、1,3,6-六亚甲基三异氰酸酯、十亚甲基二异氰酸酯等脂肪族二异氰酸酯；甲苯二异氰酸酯、二异氰酸二甲苯酯、二苯甲烷二异氰酸酯等芳香族二异氰酸酯；及异佛尔酮二异氰酸酯等脂环式二异氰酸酯等的二异氰酸酯化合物，以及二异氰酸酯化合物与三羟甲基丙烷等多元醇化合物的加成物、二异氰酸酯化合物的缩二脲体或异氰脲酸酯体、氨基甲酸酯预聚物等。
作为环氧类交联剂，例如可列举出N,N,N’,N’-四缩水甘油基-间苯二甲胺、N,N,N’,N’-四缩水甘油基-4,4-二氨基二苯甲烷、1,3-双(N,N-二缩水甘油氨甲基)环己烷、1,3-双(N,N-二缩水甘油氨甲基)甲苯等环氧化合物。
其中，由于可进一步确保拉伸性，因此交联剂更优选为异氰酸酯类交联剂。
交联剂可以单独使用一种，也可同时使用两种以上。
作为具有能够与上述交联剂进行反应的官能团的氟树脂中的官能团，可列举出羟基、羧基、氨基、缩水甘油基、氰基、甲硅烷基、硅烷基(シラネート基)等，从交联性的角度出发，优选羟基。此时，具有能够与交联剂进行反应的官能团的氟树脂的羟值优选为5～200mgKOH/g，更优选为30～180mgKOH/g。通过使羟值在这样的范围内，交联反应性及对溶剂的溶解性优异。
作为具有能够与交联剂进行反应的官能团的氟树脂，可列举出日本特开2001-163927号公报、日本特开2001-206918号公报、日本特开2004-115792号公报等中记载的含硅氟树脂；日本特开2011-121359号公报等中记载的氟树脂等。
具有能够与交联剂进行反应的官能团的氟树脂也可使用市售品。作为市售品，可列举出Kanto Denka Kogyo Co.,Ltd.制造的Fclear系列(Fclear KD3100、Fclear KD270)、Obligato SS0062等。
关于形成表面涂层124时的氟树脂及交联剂的含有比，优选以使交联剂中有助于交联的官能团(例如，异氰酸酯基):氟树脂中与交联剂进行反应的官能团(例如，羟基)＝5:1～1:10的方式含有氟树脂及交联剂。
工序膜125配置于表面涂层124的表面，使固化前的表面涂层124的表面平滑并同时防止粘连。
此外，与剥离衬垫123相同，工序膜125由聚对苯二甲酸乙二醇酯(PET)形成，平滑性优异。因此，相邻的表面涂层124的表面的平滑性也良好，例如，在如漆面保护膜这样具有透明性的产品中，能够防止因可看到表面的粗糙而导致的外观受损。
虽然工序膜125具有与剥离衬垫123相同的材质，但是比剥离衬垫123更薄。
以下，对辊100的制造方法进行说明。
辊100例如通过以下方式制成，但并不限于此：在基材层121的一面侧上设置表面涂层124及工序膜125，在基材层121的另一面侧上设置粘着剂层122及剥离衬垫123，形成层叠体120，将该层叠体120卷绕在芯110的周围。
表面涂层124通过使如上所述的组合物的涂膜固化而形成，该组合物含有：异氰酸酯类交联剂及环氧类交联剂中的至少一种交联剂(以下，也简称为交联剂)；及具有能够与交联剂反应的官能团的氟树脂(以下，也简称为氟树脂)。
这样的涂膜以涂布在构成基材层121的长基材的一面侧上的涂布液为基础而形成。涂布液为在溶剂中溶解有氟树脂及交联剂的溶液。
作为涂布液所含有的溶剂的具体例，可列举出乙酸乙酯及乙酸丁酯等酯类溶剂；甲基乙基酮及甲基异丁基酮等酮类溶剂；乙醇及异丙醇等醇类溶剂；苯、甲苯及二甲苯等芳香族类溶剂；己烷、异己烷、庚烷、辛烷及异辛烷等脂肪族饱和烃类溶剂；环己烷、甲基环己烷及二甲基环己烷等脂肪族类溶剂；三氯乙烯、氯仿及六氯间二甲苯等氯类溶剂；丙酮、二乙醚、二异丙醚及四氢呋喃等醚类溶剂；甲基全氟丁基醚及乙基全氟丁基醚等氟类溶剂；六甲基二硅氧烷、六甲基环三硅氧烷及七甲基三硅氧烷等硅酮类溶剂等。溶剂可以单独使用一种，也可以同时使用两种以上。
涂布液的涂布方法没有特别限定，例如可使用辊涂机、刮刀涂布机、气刀涂布机、棒涂机、刮片涂布机、狭缝涂布机、模唇涂布机(lip coater)、凹版涂布机等公知的涂布装置来进行涂布。
在涂布后，可通过干燥处理从涂布液中去除溶剂，形成涂膜。作为此时的干燥条件，没有特别限定，从去除溶剂的角度出发，优选为60～150℃。此外，干燥时间只要适当设定为直到完成干燥的时间即可，例如可以为30秒～3分钟左右。
此外，也可在涂布液中同时使用交联促进剂。作为交联促进剂，例如可列举出三乙胺、N,N-二甲基环己胺、四甲基乙二胺、三胺、环状胺、二甲基乙醇胺这样的醇胺、醚胺，作为金属催化剂的乙酸钾、2-乙基己酸钾、乙酸钙、辛酸铅、二月桂酸二丁锡、二月桂酸二正辛锡酯、辛酸亚锡、新癸酸铋、碱式碳酸铋、2-乙基己酸铋、辛酸锌、新癸酸锌、膦、磷杂苯等。这些交联促进剂可以单独使用一种，也可以同时使用两种以上。
在形成涂膜后，在该涂膜上配置工序膜125。由于涂膜的固化花费时间，因此鉴于生产效率，特别是在大规模生产时，在固化完全结束之前，将涂膜及该涂膜上的工序膜125一同卷绕在基材上，以该状态进一步静置例如1周左右，由此完成涂膜的固化。
若涂膜以未完全固化的状态进行卷绕，则存在涂膜附着在基材上的可能性，但在本实施方式中，由于在涂膜上配置了工序膜125，因此能够防止涂膜附着在基材上。此外，若工序膜125的表面平滑，则能够防止在涂膜的表面上产生凹凸。
在涂膜结束固化并形成表面涂层124后，将基材与表面涂层124及工序膜125一同放卷，通过常规方法，在基材的与配置了所述表面涂层124及工序膜125的一个面相反的另一个面上设置粘着剂层122及剥离衬垫123。
通过何种方式进行设置没有特别限定，例如可在剥离衬垫123上涂布粘着剂，形成粘着剂层122，经由粘着剂层122将该剥离衬垫123贴合在基材的另一个面上，由此设置粘着剂层122及剥离衬垫123。或者也可以在基材的另一个面上涂布粘着剂并使其干燥而形成粘着剂层122后，在其之上贴合剥离衬垫123。
以下，将本实施方式的作用效果与比较对象进行对比并进行说明。
如图2所示的比较对象的层叠体1020，准备了较之更厚的工序膜1025代替本实施方式的工序膜125。工序膜1025的厚度大于剥离衬垫123的厚度，此外，工序膜1025的形成材料为聚对苯二甲酸乙二醇酯(PET)。
由于这种工序膜1025坚硬且坚韧，所以剥离衬垫123被工序膜1025约束，例如环境的温度或湿度发生变化而膨胀或收缩时，或施加卷压而变形时，难以沿圆周方向自由伸缩。其结果，剥离衬垫例123以起伏的形式产生应变，粘着剂层122与剥离衬垫123之间可能会产生隧道现象。
另一方面，如图3所示，本实施方式的工序膜125比与其材质相同的剥离衬垫123更薄，较柔软，因此缓解了工序膜125所带来的约束，剥离衬垫123变得容易沿圆周方向自由伸缩。因此，剥离衬垫123不易产生应变，粘着剂层122与剥离衬垫123之间不易产生隧道现象。
表面涂层124的形成材料为经固化的组合物，该组合物含有异氰酸酯类交联剂及环氧类交联剂中的至少一种交联剂、以及具有能够与所述交联剂反应的官能团的氟树脂，表面涂层124具有良好的拉伸性。
因此，剥离衬垫123不易受到来自表面涂层124的约束，更有效地抑制了粘着剂层122与剥离衬垫123之间的隧道现象。
＜第二实施方式＞
如图4所示，第二实施方式的辊200具有卷绕了包含与第一实施方式不同的工序膜225的层叠体220而成的构成。对于其他构成，本实施方式与第一实施方式相同，它们共通的构成标注相同的符号，此处省略重复的说明。此外，对于制造方法，由于本实施方式中仅使用了工序膜225代替第一实施方式的工序膜125，因而此处省略说明。
工序膜225与第一实施方式的工序膜125的材质不同，其由聚烯烃或聚氯乙烯(PVC)形成。
作为聚烯烃，例如可列举出聚乙烯(PE)、聚丙烯(PP)、聚丁烯(PB)、聚丁二烯(PBD)、聚甲基戊烯(PMP)等，但并不限于此。聚烯烃可以是拉伸聚烯烃，也可以是未拉伸聚烯烃。
此外，工序膜225比剥离衬垫123更薄。
本实施方式的工序膜225由聚烯烃或聚氯乙烯(PVC)形成，具有较高的柔软性。
因此，如图5所示，在例如伴随环境的温度变化或湿度变化进行膨胀或收缩时，或施加卷压而变形时，剥离衬垫123不易受到来自工序膜225的约束，与第一实施方式相同，容易沿辊200的圆周方向自由伸缩。因此，粘着剂层122与剥离衬垫123之间不易产生隧道现象。
特别是本实施方式的工序膜225比剥离衬垫123更薄，由此工序膜225的柔软性增加，因此剥离衬垫123的约束进一步得以缓解，能够更有效地防止隧道现象。
实施例
如图6所示，本申请的发明人制作了具有基于上述实施方式的构成的实施例的层叠体120A、120B、220A，且同时制作了设想了如图2所示的方式的比较例的层叠体1020A，将它们作为比较对象，分别对它们就兼顾隧道现象的抑制效果与工序膜表面的平滑性进行了验证。此外，本申请的发明人还制作了省略了实施例中的工序膜的参考例的层叠体2020A，对其仅验证了隧道现象的抑制效果作为参考。
对于隧道现象的抑制效果，本申请的发明人分别将制作的层叠体120A、120B、220A、1020A、2020A，向剥离衬垫123侧弯曲，判断此时粘着剂层122与剥离衬垫123之间是否产生隧道现象，产生隧道现象时为何种程度，从而评价效果的优劣。
层叠体120A、120B、220A、1020A、2020A均具有横210mm纵297mm的A4尺寸的大小，此外，具有基材层121、粘着剂层122、剥离衬垫123及表面涂层124作为共通的构成。这些各构成要素的具体的构成如下所示。
基材层121由聚氨酯(PU)形成，具有150μm的厚度。
粘着剂层122由压敏粘合剂形成，以40μm的厚度涂布在基材层121上。
剥离衬垫123由聚对苯二甲酸乙二醇酯(PET)形成，具有50μm的厚度。
将由具有羟基的氟树脂(商品名称：Fclear KD3100，Kanto Denka Kogyo Co.,Ltd.制造，固体成分为20.3质量％的乙酸乙酯溶液，羟值：67.0mg KOH/g树脂)、及异氰酸酯类交联剂(商品名称：Duranate D101，Asahi Kasei Corporation.制造，固体成分为100质量％、NCO19.7质量％)以交联剂中的NCO/氟树脂中的OH成为1/1的方式进行混合而成的溶液涂布在基材层121上后，于100℃干燥5分钟，从而形成表面涂层124，其具有7μm的厚度。
另一方面，与它们共通的构成相比，层叠体120A、120B、220A、1020A各自的工序膜的构成不同，此外，参考例的层叠体2020A中省略了工序膜。
实施例1的层叠体120A与上述第一实施方式相同，具备由聚对苯二甲酸乙二醇酯(PET)形成的工序膜125，其厚度为25μm。
实施例2的层叠体120B与上述第一实施方式相同，也具备由聚对苯二甲酸乙二醇酯(PET)形成的工序膜125，其厚度为12μm。
实施例3的层叠体220A与上述第二实施方式相同，具备由聚乙烯(PE)形成的工序膜225，其厚度为30μm。
比较例的层叠体1020A与图2所示的工序膜1025相同，由聚对苯二甲酸乙二醇酯(PET)形成工序膜，此外，其厚度与剥离衬垫123相同，为50μm。
下述表1中，总结示出这些工序膜的构成，且同时针对兼顾隧道现象的抑制与工序膜表面的平滑性，示出了对各实施例及比较例的评价的优劣。另外，对于无工序膜的参考例，仅评价隧道现象的抑制效果。
[表1]
在表1中，◎、○、△、×表示评价的优劣。◎表示评价为最高，○表示评价为第二高，△表示评价为第三高，×表示评价为最低。
确认到实施例1～3与比较例相比，隧道现象的抑制效果均为良好，通过基于上述第一实施方式及第二实施方式的构成，可抑制隧道现象。
具有基于第一实施方式的构成的实施例1、2与实施例3相比，虽然隧道现象的抑制效果相对较小，但作为实施例1、2中使用的工序膜125的材质的聚对苯二甲酸乙二醇酯(PET)的平滑性非常优异。
因此，配置有工序膜125的表面涂层124的平滑性也良好，不易因为表面涂层124的表面粗糙而损害外观。因此，由聚对苯二甲酸乙二醇酯(PET)形成的工序膜125特别适合例如漆面保护膜等外观重要的产品。
此外，由于工序膜125随着变薄而柔软性增加而对剥离衬垫123的约束得以缓解，因此薄的一方对隧道现象的抑制效果越大，但是若过薄过于柔软，则容易变形，损害作为优异的特性的平滑性。
因此，工序膜125的厚度优选考虑这些因素而适当设定，若将基于上述表1中的实施例1、2的优选的厚度范围(例如为10μm以上25μm以下)以相对于剥离衬垫123的厚度(50μm)的比进行表示，则它们的比优选为0.2～0.5，更优选为0.2～0.3。通过这种构成，能够特别平衡地兼顾平滑性与隧道现象的抑制。
本发明不受上述实施方式及实施例限定，可在权利要求的范围内进行各种改变。
例如，上述第一实施方式及第二实施方式中，以使剥离衬垫123配置在芯110侧的方式卷绕层叠体120、220，但将它们内外颠倒进行卷绕的方式也包含在本发明中。
附图标记说明
100、200：辊；110：芯；120、220：层叠体；120A、120B、220A：实施例的层叠体；121：基材层；122：粘着剂层；123：剥离衬垫；124：表面涂层；125、225：工序膜；1020：与实施方式不同的层叠体；1025：与实施方式不同的工序膜；1020A：比较例的层叠体；2020A：参考例的层叠体。

Claims (4)

1.一种辊，其具备具有筒状的芯及卷绕在该芯周围的层叠体，
所述层叠体沿层叠方向依次具有工序膜、由氟树脂形成的表面涂层、基材层、粘着剂层、及由聚对苯二甲酸乙二醇酯(PET)形成的剥离衬垫，
所述工序膜由选自由聚对苯二甲酸乙二醇酯(PET)、聚烯烃、及聚氯乙烯(PVC)组成的组中的至少一种形成，且比所述剥离衬垫更薄。
2.根据权利要求1所述的辊，其中，所述表面涂层的形成材料为经固化的组合物，所述组合物含有异氰酸酯类交联剂及环氧类交联剂中的至少一种交联剂、以及具有能够与所述交联剂反应的官能团的氟树脂。
3.根据权利要求1或2所述的辊，其中，所述工序膜的厚度相对于所述剥离衬垫的厚度的比(所述工序膜的厚度/所述剥离衬垫的厚度)为0.2～0.5。
4.一种辊的制造方法，其中，在构成所述基材层的长基材的一面侧上形成含有氟树脂的组合物的涂膜，在该涂膜上配置所述工序膜后，将所述基材与所述涂膜及所述工序膜一同卷绕，以该状态使所述涂膜固化而形成所述表面涂层，
然后，将所述基材与所述工序膜及所述表面涂层一同放卷，在所述基材的另一面侧上设置所述粘着剂层及所述剥离衬垫，得到所述层叠体，在所述芯的周围卷绕该层叠体，制造权利要求1～3中任一项所述的辊。
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