JP2014073610A - Compact with protective member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a compact with a protective member in which a compact can be stably protected while direct damage of a fine uneven structure and contamination by a pressure-sensitive adhesive component are prevented even if an adhesion region of a fine protective adhesive film is not disposed to the compact, and versatility is high.SOLUTION: A compact with a protective member has a pair of principal planes (10b, 10c), and includes: a compact (10) that has a fine uneven structure (10a) on at least one principal plane (10b) side of the pair of principal planes (10b, 10c); and a protective member that is disposed to include the compact (10), wherein the protective member includes a pair of protection materials (20, 20') that include substrate films (22, 22'), and adhesive layers (21, 21') formed on the substrate films (22, 22') respectively, respective fine adhesive layers (21, 21') of the pair of protection materials (20, 20') contact a salient of the fine uneven structure (10a) of the compact (10) or the other principal plane, and the fine adhesive layers (21, 21') are mutually bonded to include the compact (10).

Description

  The present invention relates to a molded body with a protective member formed by coating a molded body having a fine concavo-convex structure with a protective member.

  In recent years, when sunlight, illumination, or the like is irradiated on the surface of a flat panel display such as a liquid crystal display or a plasma display, a lens, or the like, visibility has been lowered due to reflection of the light. As a method for reducing this reflection, for example, a method of sticking a film having a fine concavo-convex structure on the surface of the display or lens may be mentioned. In particular, it is known that a film having a fine concavo-convex structure having a concavo-convex pitch (period) equal to or less than the wavelength of visible light, that is, a so-called moth-eye structure, has a high antireflection effect.

  Usually, it is actually used for molded products such as films with fine concavo-convex structures on the surface for the purpose of preventing dirt and the like from adhering to the surface and protecting the shape of the fine concavo-convex structures. In the meantime, a protective film (protective material) is stuck to protect the surface on which the fine relief structure is formed.

  However, such a molded body has, for example, a display size and a large surface area. Therefore, when a protective material with strong adhesiveness is used, a large force is required for peeling, and the molded body is agglomerated and destroyed, or Even if it can be peeled off, there is a possibility that the convex part of the fine uneven structure may be damaged. Further, depending on the material constituting the fine concavo-convex structure, there is a problem that the adhesive component of the protective film shifts to the fine concavo-convex structure.

  On the other hand, when a protective material with weak adhesiveness is used, direct damage to the convex part of the fine concavo-convex structure and contamination by the adhesive component are reduced, but adhesion to the convex part of the fine concavo-convex structure becomes insufficient, and handling There is a problem that the protective material is peeled off from the molded body. That is, there is a difficulty that the protection of the molded body cannot be solved only by adhesive strength. In order to solve such problems, there are techniques disclosed in Patent Document 1 and Patent Document 2.

JP 2010-107858 A JP 2010-120348 A

  Patent Document 1 discloses a technique for protecting a molded body formed by forming a cured product having a concavo-convex portion on a substrate with a slightly adhesive protective film. In this technique, the slightly tacky protective film is bonded and fixed in an area where no cured product of the substrate exists. However, in such a configuration, since the fine-tacky protective film is locally bonded and fixed in an area where the cured product of the substrate does not exist, the molded body is bent during transportation and post-processing. There still remains the problem of easy peeling. Furthermore, since the adhesion area of the slightly tacky protective film (the area where the cured product does not exist on the base material) is provided outside the area used as the product, when handling only the molded product as the product, the slightly tacky protective film peels off easily. There is a possibility that.

  Patent Document 2 also discloses a technique for protecting a molded body formed by forming a cured product having a concavo-convex portion on a substrate with a slightly adhesive protective film. In this technique, the slightly tacky protective film is bonded and fixed in a region where there is no fine uneven structure of the cured product. However, even in such a configuration, it is necessary to provide an adhesion region (a region where no fine uneven structure of the cured product exists) outside the region used as a product. Moreover, since it is necessary to provide an adhesive layer on the base film of the slightly tacky protective film in accordance with the adhesion region of the slightly tacky protective film, custom-made processing is required according to the product size, and the processing becomes complicated.

  The present invention has been made in view of such a point, and even without providing a bonding area of a slightly tacky protective film on the molded body, while preventing direct damage of the fine uneven structure and contamination by an adhesive component, It aims at providing the molded object with a highly versatile protective member which can protect stably.

  The molded body with a protective member of the present invention is provided so as to include a molded body having a pair of main surfaces and having a fine uneven structure on at least one main surface side of the pair of main surfaces, and the molded body. A protective member, and the protective member comprises a base material and a pair of protective materials each having a slightly adhesive layer formed on the base material, Each of the fine adhesive layers of the pair of protective materials is in contact with the convex part of the fine concavo-convex structure of the molded body or the other main surface, and the fine adhesive layers are bonded together to enclose the molded body. To do.

  In the molded body with a protective member of the present invention, the peeling force (A) of the pair of protective materials bonded together, the peeling force (B) between the protective material and the convex portion of the fine concavo-convex structure, and the protection The magnitude relationship of the peeling force (C) between the material and the other main surface is preferably A ≧ C> B or C ≧ A> B.

  In the molded body with a protective member of the present invention, the peel force (B) is preferably 0.05 N / 25 mm or less.

  In the molded body with a protective member of the present invention, the difference between the peeling force (C) and the peeling force (B) is preferably 0.01 N / 25 mm or more.

  In the molded body with a protective member of the present invention, it is preferable that the pair of protective materials is composed of the same protective material.

  In the molded body with a protective member of the present invention, it is preferable that the molded body includes a region in which the concavo-convex pitch is equal to or less than the wavelength of light in the fine concavo-convex structure.

  In the molded body with a protective member of the present invention, the fine concavo-convex structure is preferably a moth-eye shape.

  In the molded body with a protective member of the present invention, the molded body is preferably made of a resin composition containing a silicone component or a fluorine component.

  According to the present invention, it is highly versatile to stably protect a molded body while preventing direct damage of the fine concavo-convex structure and contamination due to an adhesive component without providing the molded body with an adhesive region of the slightly tacky protective film. A molded body with a protective member can be realized.

It is the schematic which shows an example of the molded object with a protection member of this invention. It is the schematic which shows the other example of the molded object with a protection member of this invention. It is the schematic which shows the other example of the molded object with a protection member of this invention. It is the schematic which shows the other example of the molded object with a protection member of this invention. It is a figure for demonstrating the peeling force in the molded object with a protection member of this invention.

  The inventors of the present invention have found that, by sandwiching a molded article having a fine concavo-convex structure with a slightly adhesive protective material and adhering the adhesive surfaces to each other, the protective film lifting can be reduced even if the slightly adhesive protective material is used. As a result, it is possible to provide a highly versatile protection form that can stably protect the fine concavo-convex molded article without providing the adhesion area of the slightly tacky protective film on the molded article.

  Furthermore, if it is a protection form in the molded body with a protective member of the present invention, the peel force difference between the front and back surfaces of the molded body at the time of peeling (the peel force on the surface having a fine uneven structure and the peel force on the surface not having a fine uneven structure) It is also possible to determine the front and back of the molded body from the difference between the two. Therefore, even when a transparent molded body that is difficult to distinguish between the front and back surfaces, and particularly a molded body having a fine concavo-convex structure with a size equal to or smaller than the wavelength of light, the front and back surfaces can be easily identified during peeling. it can.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a schematic view showing an example of a molded body with a protective member of the present invention.
A molded body 1 with a protective member shown in FIG. 1 is mainly composed of a molded body 10 having a fine concavo-convex structure 10a and protective materials 20, 20 ′ provided so as to enclose the molded body 10. The molded body 10 has a pair of main surfaces 10b and 10c, and has a fine concavo-convex structure 10a on at least one main surface (the main surface 10b in FIG. 1) of the pair of main surfaces 10b and 10c. . Therefore, the molded body 10 may have a fine concavo-convex structure 10a on both the main surfaces 10b and 10c side as will be described later (FIG. 3).

  The molded body 10 is mainly composed of a base material 11 and a fine uneven layer 12 having a fine uneven structure 10a on the surface. In this case, as shown in FIG. 1, the compact 10 has a fine unevenness on one main surface of the base material 11 with the fine uneven structure 10a outside (the fine uneven structure 10a does not contact the base material 11). The layer 12 may be provided, and as shown in FIG. 3, the molded body 10 ′ has fine concavo-convex structures 10 a, 10 a ′ on both main surfaces of the base material 11, respectively (fine The concavo-convex structure 10a, 10a ′ may be configured to be provided with fine concavo-convex layers 12, 12 ′ (without contact with the base material 11). As shown in FIG. On one main surface, the member provided with the fine uneven layer 12 with the fine uneven structure 10a on the outside (without the fine uneven structure 10a contacting the base material 11), and one main surface of the base material 11 ′ Further, the fine concavo-convex structure 10a ′ is placed outside (the fine concavo-convex structure 10a The member provided with the fine concavo-convex layer 12 ′ may be bonded to each other through the adhesive layer 13 ′ without contacting the substrate 11 ′. In addition, the molded object 10 will not be specifically limited if it is a suitable shape and a structure suitably according to a use.

  The molded body 10 described above is enclosed by a protective member. The protective member includes a protective film 20 having a base film 22 and a fine adhesive layer 21 formed on the base film 22, and a micro adhesive layer 21 'formed on the base film 22' and the base film 22 '. (A pair of protective materials). Each of the protective materials 20 and 20 ′ has a larger area than the molded body 10, and has a size such that the molded body can be included when the protective materials 20 and 20 ′ are bonded together.

  When the molded body 10 is covered with a protective member, for example, in the case of the configuration shown in FIG. 1, the slightly adhesive layer 21 ′ of one protective material 20 ′ is attached to the main surface 10 c of the molded body 10 and the other protective material 20. The slightly adhesive layer 21 is affixed to the main surface 10 b of the molded body 10. At this time, the slightly adhesive layer 21 of the other protective material 20 is in contact with the convex portion of the fine uneven structure 10 a of the molded body 10. The fine adhesive layers 21 and 21 ′ in areas protruding from the ends of the molded body 10 in the pair of protective materials 20 and 20 ′ are bonded together to enclose the molded body 10. In the case of the configuration shown in FIG. 3 or FIG. 4, the slightly adhesive layer 21 ′ of one protective material 20 ′ is attached to the main surface 10 c side of the molded bodies 10 ′ and 10 ′ ′, and the fine protective layer 20 of the other protective material 20 is finely bonded. The adhesive layer 21 is attached to the main surface 10b of the molded bodies 10 ′ and 10 ′ ′. At this time, the slightly adhesive layer 21 ′ of one protective material 20 ′ is in contact with the convex portions of the fine concavo-convex structure 10 a ′ of the molded bodies 10 ′ and 10 ′, and the slightly adhesive layer 21 of the other protective material 20 is the molded body. 10 ′ and 10 ′ ′ are in contact with the convex portions of the fine concavo-convex structure 10a. Then, the fine adhesive layers 21 and 21 ′ in the regions protruding from the ends of the molded bodies 10 ′ and 10 ′ ′ of the pair of protective materials 20 and 20 ′ are bonded to each other to include the molded bodies 10 ′ and 10 ′ ′. .

  In the case where the molded body 10 is covered with the protective material 20, 20 ′, for example, when the molded body 10 is rectangular in plan view, the outer periphery (four sides) of the molded body 10 is all covered with the protective material 20, 20 ′. It is most preferable that the entire outer periphery of the molded body 10 is a bonding region between the fine adhesive layers. However, if damage to the fine concavo-convex structure 10 can be suppressed, only the long side of the molded body 10 is slightly adhesive. There may be a bonding region between the layers, and there may be a bonding region between the slightly adhesive layers only on the short side of the molded body 10, and one long side and one short side of the molded body 10. There may be a bonding region between the slightly adhesive layers. Further, even when the molded body 10 has a special shape such as a circle or a trapezoid in a plan view, a free covering form can be taken as long as the effect of the present invention is satisfied. % Or more is preferably covered with the protective material 20, 20 ′.

  In the configuration shown in FIGS. 1, 3 and 4, the molded bodies 10, 10 ′ and 10 ′ ′ are covered with a pair of protective materials 20 and 20 ′. However, the present invention is not limited to this, As shown in 2, a pair of protective materials may be comprised with the single protective material. In this case, the slightly adhesive layer 21 of the protective material 20 is attached to the main surface 10 c of the molded body 10, the protective material 20 is folded along the side surface of the molded body 10, and the slightly adhesive layer 21 of the protective material 20 is attached to the molded body 10. Affixed to the main surface 10b. At this time, the slightly adhesive layer 21 of the protective material 20 comes into contact with the protrusions and the main surface 10 c of the fine uneven structure 10 a of the molded body 10. Then, the fine adhesive layer 21 in the region protruding from the end of the molded body 10 in the protective material 20 is bonded together to enclose the molded body 10.

  By adopting such a protection form, it is possible to stably protect the fine concavo-convex molded article even with a protective material having a weak adhesive force, while preventing direct damage of the fine concavo-convex structure and contamination by the adhesive component.

Here, the molded body 10 will be described in more detail.
In the pattern shape of the fine concavo-convex structure 10a, the cross-sectional shape of the convex part and the concave part is not limited. For example, these cross-sectional shapes are trapezoidal, rectangular, rectangular, triangular, columnar, conical, prismatic, semicircular, etc. It may be a sine wave shape, a substantially sine wave shape, or the like. In particular, if the cross-sectional shape of the convex portion is a substantially pyramid shape, a substantially conical shape, a substantially truncated pyramid shape, a substantially frustoconical shape, etc., the convex portion and the slightly adhesive layer of the protective material are in point contact. The peelability when peeling is improved. The convex portions may be formed in a line shape extending in a specific direction in a plan view, and the lines may exist in parallel with each other at a predetermined interval (line & space). May exist. From the viewpoint that the contact area between the convex portion and the protective material can be reduced, the convex portion is preferably present in a dot shape. Note that the array of convex portions may be a random array or a regular array. In addition, it is preferable that the concave portion between the convex portions has a shape like a ridge, for example, since pattern damage or the like can be reduced when the protective material is peeled from the molded body.

  Although the pitch between the convex parts of the fine concavo-convex structure 10a is not particularly limited, it is preferably less than the wavelength of light, specifically 1000 nm or less. In particular, the pitch between the convex portions is preferably equal to or less than the wavelength of visible light (moth eye shape). Thereby, the surface and the back surface of the molded body 10 can be determined by the difference in peeling force. Further, when the pitch between the convex portions is 300 nm or less, the diffracted light of the main surface having the fine concavo-convex structure 10a is reduced, so that it becomes difficult to visually recognize the front and back of the molded body 10, and therefore it can be determined by the difference in peeling force. The effect of the present invention is important.

  The aspect ratio of the convex portion of the fine concavo-convex structure 10a is not a problem as long as the aspect ratio of the convex portion is 5 or less, as long as the aspect ratio of the convex portion is 5 or less. Pattern damage when pressed by can be reduced. Moreover, when using the molded object 10 as an antireflection material, it is so preferable that an aspect ratio is large, and it is preferable that it is 0.4 or more. When the aspect ratio is 0.8 or more, a sufficient antireflection function is exhibited with respect to light having a broad wavelength. The aspect ratio here is a value obtained by dividing the height from the bottom of the convex portion to the top of the convex portion by the width of the convex portion bottom in a cross-sectional view cut through the convex portion top.

  As a material constituting the fine concavo-convex layer 12 having the fine concavo-convex structure 10a, an inorganic material such as glass, ceramic, or metal, or an organic material such as resin can be arbitrarily selected depending on the application. From the viewpoint of ease of processing, it is preferably made of resin, and the type thereof is not particularly limited. For example, a thermosetting resin, a thermoplastic resin, a photocurable composition, for example, an ionizing radiation curable resin such as a photocurable resin or an electron beam curable resin can be used. Among these, it is preferable to use a photocurable resin that can be roll-to-roll molded and has good processing throughput.

Hereinafter, an example of a photocuring composition is given.
As the types of monomers and oligomers (hereinafter also referred to as monomer components), radical polymerization monomer components are more preferable from the viewpoints of reaction rate and continuous productivity. Further, since a mold is used when forming the fine uneven layer 12, from the viewpoint of enhancing the reactivity at the deep part of the uneven structure pattern in the mold, a cationic polymerization monomer component having a long reaction life is added to the radical polymerization monomer. You may mix. As the cationic polymerization monomer for photocuring, a monomer having an epoxy group, a vinyloxy group, an oxetanyl group, an oxazolyl group or the like as a polymerizable functional group is preferable.

  Examples of the radical monomer component include methyl acrylate, ethyl acrylate, n-butyl acrylate, isobutyl acrylate, t-butyl acrylate, 2-ethylhexyl acrylate, isodecyl acrylate, isoamyl acrylate, n-lauryl acrylate, and isomyristyl acrylate. , Stearyl acrylate, n-butoxyethyl acrylate, butoxydiethylene glycol acrylate, methoxytriethylene glycol acrylate, methoxypolyethylene glycol acrylate, tripropylene glycol diacrylate, tetraethylene glycol diacrylate, caprolactone acrylate, cyclohexyl acrylate, tetrahydrofurfuryl acrylate, benzyl acrylate The Noxyethyl acrylate, isobornyl acrylate, dicyclopentenyl acrylate, dicyclopentenyloxyethyl acrylate, dicyclopentanyl acrylate, 2-hydroxyethyl acrylate, 4-hydroxybutyl acrylate, 2-hydroxypropyl acrylate, diethylaminoethyl acrylate, Dimethylaminoethyl acrylate quaternized product, acrylic acid, 2-acryloyloxyethyl succinic acid, 2-acryloyloxyethyl hexahydrophthalic acid, 2-acryloyloxyethyl phthalic acid, 2-acryloyloxyethyl 2-hydroxyethyl Phthalic acid, neopentyl glycol acrylic acid benzoate, 2-acryloyloxyethyl 2-hydroxypropyl phthalate, glycidyl acrylate, 2 Acryloyloxyethyl acid phosphate, ethylene glycol diacrylate, diethylene glycol diacrylate, triethylene glycol diacrylate, PEG # 200 diacrylate, PEG # 400 diacrylate, PEG # 600 diacrylate, 1,4-butanediol diacrylate, neo Pentyl glycol diacrylate, 3-methyl-1,5-pentanediol diacrylate, 2-butyl-2-ethyl-1,3-propanediol diacrylate, 1,6-hexanediol diacrylate, 1,9-nonanediol Diacrylate, 1,10-decanediol diacrylate, glycerin diacrylate, 2-hydroxy-3-acryloyloxypropyl acrylate, bisphenol A-EO adduct di Acrylate, trifluoroethyl acrylate, tetrafluoropentyl acrylate, octafluoropentyl acrylate, perfluorooctyl ethyl acrylate, nonylphenol-EO adduct acrylate, dimethylol tricyclodecane diacrylate, trimethylolpropane acrylic acid benzoate, hydroxypivalic acid Neopentyl glycol diacrylate, tetrafurfuryl alcohol oligoacrylate, ethyl carbitol oligoacrylate, 1,4-butanediol oligoacrylate, 1,6-hexanediol oligoacrylate, trimethylolpropane oligoacrylate, pentaerythritol oligoacrylate, pentamethyl Piperidyl acrylate, tetramethylpiperidyl acrylate , Paracumylphenol-EO modified acrylate, N-acryloyloxyethyl hexahydrophthalimide, isocyanuric acid-EO modified diacrylate, methyl methacrylate, ethyl methacrylate, n-butyl methacrylate, isobutyl methacrylate, t-butyl methacrylate, 2-ethylhexyl Methacrylate, isodecyl methacrylate, isoamyl methacrylate, n-lauryl methacrylate, isomyristyl methacrylate, stearyl methacrylate, n-butoxyethyl methacrylate, butoxydiethylene glycol methacrylate, methoxytriethylene glycol methacrylate, methoxypolyethylene glycol methacrylate, tripropylene glycol dimethacrylate, tetraethylene Glico Rudimethacrylate, caprolactone methacrylate, cyclohexyl methacrylate, tetrahydrofurfuryl methacrylate, benzyl methacrylate, phenoxyethyl methacrylate, isobornyl methacrylate, dicyclopentenyl methacrylate, dicyclopentenyloxyethyl methacrylate, dicyclopentanyl methacrylate, 2-hydroxyethyl methacrylate, 4-hydroxybutyl methacrylate, 2-hydroxypropyl methacrylate, diethylaminoethyl methacrylate, diethylaminoethyl methacrylate, dimethylaminoethyl methacrylate quaternized product, methacrylic acid, 2-methacryloyloxyethyl succinic acid, 2-methacryloyloxyethyl hexahydrophthalic acid , 2-methacryloyloxy Ethyl phthalic acid, 2-methacryloyloxyethyl 2-hydroxyethyl phthalic acid, neopentyl glycol methacrylic acid benzoate, 2-methacryloyloxyethyl-2-hydroxypropyl phthalate, glycidyl methacrylate, 2-methacryloyloxyethyl acid phosphate, Ethylene glycol dimethacrylate, diethylene glycol dimethacrylate, triethylene glycol dimethacrylate, PEG # 200 dimethacrylate, PEG # 400 dimethacrylate, PEG # 600 dimethacrylate, 1,4-butanediol dimethacrylate, neopentylglycol dimethacrylate, 3- Methyl-1,5-pentanediol dimethacrylate, 2-butyl-2-ethyl-1,3-propanediol dimethacrylate 1,6-hexanediol dimethacrylate, 1,9-nonanediol dimethacrylate, 1,10-decanediol dimethacrylate, glycerin dimethacrylate, 2-hydroxy-3-acryloyloxypropyl methacrylate, bisphenol A-EO addition Dimethacrylate, trifluoroethyl methacrylate, tetrafluoropentyl methacrylate, octafluoropentyl methacrylate, perfluorooctyl ethyl methacrylate, nonylphenol-EO adduct methacrylate, dimethylol tricyclodecane dimethacrylate, trimethylolpropane methacrylic acid benzoate, hydroxy Pivalic acid neopentyl glycol dimethacrylate, tetrafurfuryl alcohol oligomethacrylate, Tylcarbitol oligomethacrylate, 1,4-butanediol oligomethacrylate, 1,6-hexanediol oligomethacrylate, trimethylolpropane oligomethacrylate, pentaerythritol oligomethacrylate, pentamethylpiperidylmethacrylate, tetramethylpiperidylmethacrylate, paracumylphenol-EO Modified methacrylate, N-methacryloyloxyethyl hexahydrophthalimide, isocyanuric acid-EO modified dimethacrylate, 3-ethyl-3-hydroxymethyloxetane, 1,4-bis {[(3-ethyloxetane-3-yl) methoxy] Methyl} benzene, 3-ethyl-3-{[(3-ethyloxetane-3-yl) methoxy] methyl} oxetane, 3-ethyl-3- (2-ethyl) Hexyloxymethyl) oxetane, 3-ethyl-3- (phenoxymethyl) oxetane, 3-ethyl-3- (cyclohexyloxy) methyloxetane, oxetanylsilsesquioxane, oxetanyl silicate, phenol novolak oxetane, 1,3-bis [ (3-ethyloxetane-3-yl) methoxy] benzene and the like.

  The composition ratio in the composition constituting the fine concavo-convex layer 12 is one or more monomer components having three or more acrylic groups and / or methacryl groups in one molecule in a total of 100 parts by mass of monomer components. Are preferably 20 to 60 parts by mass, the monomer component having an N-vinyl group is 5 to 40 parts by mass, and the other monomer components are preferably 0 to 75 parts by mass. By setting the content of one or more monomer components having three or more acrylic groups and / or methacrylic groups in one molecule to 20 parts by mass or more, the composition portion constituting the fine uneven layer 12 is high. Since the strength and the crosslink density are increased, bleeding out of unreacted monomers and low-polymerization degree oligomers from the composition part constituting the fine uneven layer 12 and generation of by-products can be minimized. . Moreover, the viscosity of the composition which comprises the fine uneven | corrugated layer 12 by making content of the 1 or more types of monomer component which has 3 or more acryl group and / or methacryl group in 1 molecule into 60 mass parts or less. The rise can be suppressed, and a decrease in the filling rate of the composition into the uneven pattern of the mold can be prevented. The content of one or more monomer components containing three or more acrylic groups and / or methacryl groups in one molecule is 100 parts by mass in total of the monomer components in the composition constituting the fine uneven layer 12. Among them, the content is more preferably 25 parts by mass to 50 parts by mass, and further preferably 30 parts by mass to 40 parts by mass.

  Examples of monomer components containing three or more acrylic groups and / or methacrylic groups in one molecule include trimethylolpropane triacrylate, ethoxylated trimethylolpropane triacrylate, propoxylated trimethylolpropane triacrylate, and pentaerythritol. Triacrylate, propoxylated glyceryl triacrylate, pentaerythritol tetraacrylate, ethoxylated pentaerythritol tetraacrylate, ditrimethylolpropane tetraacrylate, dipentaerythritol pentaacrylate, dipentaerythritol hexaacrylate, tris (2-hydroxyethyl) isocyanurate triacrylate , Trisacryloyloxyethyl phosphate, trifunctional or higher polyester acrylate Oligomer, trifunctional or higher urethane acrylate oligomer, trifunctional or higher epoxy acrylate oligomer, trimethylolpropane trimethacrylate, ethoxylated trimethylolpropane trimethacrylate, propoxylated trimethylolpropane trimethacrylate, pentaerythritol trimethacrylate, Propoxylated glyceryl trimethacrylate, pentaerythritol tetramethacrylate, ethoxylated pentaerythritol tetramethacrylate, ditrimethylolpropane tetramethacrylate, dipentaerythritol pentamethacrylate, dipentaerythritol hexamethacrylate, tris (2-hydroxyethyl) isocyania Nurate trimethacrylate, trismethacrylo Oxyethyl phosphate, tri- or higher-functional polyester methacrylate oligomer, trifunctional or higher urethane methacrylate oligomer, trifunctional or more epoxy methacrylate oligomer, and the like. Here, the ethoxylated and propoxylated monomer component refers to a monomer component containing 1 to 20 equivalents of one or more ethoxy groups and / or propoxy groups per monomer molecule.

  Among the monomer components containing three or more acrylic groups and / or methacrylic groups in one molecule, trimethylolpropane triacrylate, ethoxylated trimethylolpropane triacrylate, propoxylated trimethylolpropane triacrylate, trimethylolpropane Trimethacrylate, ethoxylated trimethylolpropane trimethacrylate, and propoxylated trimethylolpropane trimethacrylate are preferred because of a good balance of physical properties. Among these, trimethylolpropane triacrylate and trimethylolpropane trimethacrylate are more preferable because they are excellent in releasability of the cured molded product from the mold (stamper) after curing. One type or two or more types of monomer components containing three or more acrylic groups and / or methacrylic groups in one molecule may be used.

  The monomer component having an N-vinyl group is more preferably contained in an amount of 15 parts by mass to 38 parts by mass in 100 parts by mass of monomer components in the composition constituting the fine uneven layer 12, and 25 parts by mass. It is more preferable to contain -35 mass parts. By containing 5 parts by mass or more of the monomer component having an N-vinyl group, the adhesion of the molded body to the base material can be improved, and the mold release property of the molded body after curing is improved. In addition, by containing 40 parts by mass or less, bleed out can be suppressed to a minimum from the molded body of the unreacted monomer and the low polymerization degree oligomer, and excessive moisture absorption of the molded body can be suppressed. Moisture resistance can be improved.

  As the monomer component having an N-vinyl group, N-vinylformamide, N-vinylacetamide, N-vinylpyrrolidone, and N-vinylcaprolatum are particularly preferably used. One or more kinds of monomer components having an N-vinyl group may be used.

  The composition constituting the fine uneven layer 12 preferably contains a silicone component or a fluorine component. By containing a silicone-containing compound and / or a fluorine-containing compound in the composition constituting the fine uneven layer 12, the surface energy of the surface of the fine uneven layer 12 can be lowered, Adhesive strength can be weakened, and contamination by components transferred from the slightly adhesive layer can also be prevented.

  The composition constituting the fine uneven layer 12 may contain a silicone compound containing an acrylic group and / or a methacryl group. It is preferable that 0.1 mass part-10 mass parts of silicone compounds containing an acryl group and / or a methacryl group are contained with respect to a total of 100 mass parts of monomer components of the composition constituting the fine uneven layer 12. It is more preferable to contain 2-5 mass parts, and it is still more preferable to contain 0.3-2 mass parts. By containing 0.1 part by mass or more, the releasability from the mold after curing can be further improved, and by containing 10 parts by mass or less, the strength of the fine uneven layer 12 can be maintained.

  As a kind of silicone compound containing an acryl group and / or a methacryl group, a silicon acrylate type compound can be mentioned, for example. BYK-UV3500, BYK-UV3570 (manufactured by Big Chemie Japan Co., Ltd.), and ebecryl 350 (manufactured by Daicel Cytec Co., Ltd.) having an acrylic group bonded to the polydimethylsiloxane skeleton from the layer constituting the fine relief structure 10a after curing Less bleed out and more preferable.

  The composition constituting the fine concavo-convex layer 12 may contain a fluorine-containing compound containing an acrylic group and / or a methacryl group (hereinafter, fluorine-containing (meth) acrylate). The fluorine-containing (meth) acrylate preferably has a polyfluoroalkylene chain and / or a perfluoro (polyoxyalkylene) chain and a polymerizable group, and is a linear perfluoroalkylene group or a carbon atom-carbon atom. More preferred is a perfluorooxyalkylene group having an etheric oxygen atom inserted therein and having a trifluoromethyl group in the side chain. Further, a linear polyfluoroalkylene chain having a trifluoromethyl group at the molecular side chain or molecular structure terminal and / or a linear perfluoro (polyoxyalkylene) chain is particularly preferred.

  The polyfluoroalkylene chain is preferably a polyfluoroalkylene group having 2 to 24 carbon atoms. The polyfluoroalkylene group may have a functional group.

The perfluoro (polyoxyalkylene) chain is a group consisting of (CF ₂ CF ₂ O) units, (CF ₂ CF (CF ₃ ) O) units, (CF ₂ CF ₂ CF ₂ O) units and (CF ₂ O) units. It is preferably composed of one or more perfluoro (oxyalkylene) units selected from: (CF ₂ CF ₂ O) units, (CF ₂ CF (CF ₃ ) O) units, or (CF ₂ CF ₂ CF ₂ O). ) Units. The perfluoro (polyoxyalkylene) chain is particularly preferably composed of (CF ₂ CF ₂ O) units because the physical properties (heat resistance, acid resistance, etc.) of the fluoropolymer are excellent. The number of perfluoro (oxyalkylene) units is preferably an integer of 2 to 200, more preferably an integer of 2 to 50, because the release property and hardness of the fluoropolymer are high.

The polymerizable group is represented by a vinyl group, an allyl group, an acryloyl group, a methacryloyl group, an epoxy group, a diquitacene group, a cyano group, an isocyanate group, or a formula — (CH ₂ ) aSi (M1) 3-b (M2) b. A hydrolyzable silyl group is preferable, and an acryloyl group or a methacryloyl group is more preferable. Here, M1 is a substituent which is converted into a hydroxyl group by a hydrolysis reaction. Examples of such a substituent include a halogen atom, an alkoxy group, and an acyloxy group. As the halogen atom, a chlorine atom is preferable. As an alkoxy group, a methoxy group or an ethoxy group is preferable, and a methoxy group is more preferable. As M1, an alkoxy group is preferable, and a methoxy group is more preferable. M2 is a monovalent hydrocarbon group. Examples of M2 include an alkyl group, an alkyl group substituted with one or more aryl groups, an alkenyl group, an alkynyl group, a cycloalkyl group, and an aryl group, and an alkyl group or an alkenyl group is preferable. When M2 is an alkyl group, an alkyl group having 1 to 4 carbon atoms is preferable, and a methyl group or an ethyl group is more preferable. When M2 is an alkenyl group, an alkenyl group having 2 to 4 carbon atoms is preferable, and a vinyl group or an allyl group is more preferable. a is an integer of 1 to 3, and 3 is preferable. b is 0 or an integer of 1 to 3, and 0 is preferable. Examples of the hydrolyzable silyl group include (CH ₃ O) ₃ SiCH ₂ —, (CH ₃ CH ₂ O) ₃ SiCH ₂ —, (CH ₃ O) ₃ Si (CH ₂ ) ₃ — or (CH ₃ CH ₂ O ) ₃ Si (CH ₂ ) ₃ — is preferred.

  The number of polymerizable groups is preferably an integer of 1 to 4 and more preferably an integer of 1 to 3 because of excellent polymerizability. When using 2 or more types of compounds, as for the average number of polymeric groups, 1-3 are preferable.

  When the fluorine-containing (meth) acrylate has a functional group, it has excellent adhesion to the transparent substrate. Examples of the functional group include a carboxyl group, a sulfonic acid group, a functional group having an ester bond, a functional group having an amide bond, a hydroxyl group, an amino group, a cyano group, a urethane group, an isocyanate group, and a functional group having an isocyanuric acid derivative. It is done. In particular, it preferably contains at least one functional group of a functional group having a carboxyl group, a urethane group, or an isocyanuric acid derivative. The isocyanuric acid derivatives include those having an isocyanuric acid skeleton and a structure in which at least one hydrogen atom bonded to a nitrogen atom is substituted with another group. As the fluorine-containing (meth) acrylate, fluoro (meth) acrylate, fluorodiene, or the like can be used. Specific examples of the fluorine-containing (meth) acrylate include the following compounds.

The fluoro (meth) _{acrylate, CH 2 = CHCOO (CH 2} ) 2 (CF 2) 10 F, CH 2 = CHCOO (CH 2) 2 (CF 2) 8 F, CH 2 = CHCOO (CH 2) 2 ( CF ₂ ) ₆ F, CH ₂ ═C (CH ₃ ) COO (CH ₂ ) ₂ (CF ₂ ) ₁₀ F, CH ₂ ═C (CH ₃ ) COO (CH ₂ ) ₂ (CF ₂ ) ₈ F, CH _{2 = C (CH 3) COO (} CH 2) 2 (CF 2) 6 F, CH 2 = CHCOOCH 2 (CF 2) 6 F, CH 2 = C (CH 3) COOCH 2 (CF 2) 6 F, CH 2 = CHCOOCH ₂ (CF ₂ ) ₇ F, CH ₂ = C (CH ₃ ) COOCH ₂ (CF ₂ ) ₇ F, CH ₂ = CHCOOCH ₂ CF ₂ CF ₂ H, CH ₂ = CHCOOCH ₂ (CF _{2 CF 2) 2 H, CH 2} = CHCOOCH 2 (CF 2 CF 2) 4 H, CH 2 = C (CH 3) COOCH 2 (CF 2 CF 2) H, CH 2 = C (CH 3) COOCH 2 (CF _{2 CF 2) 2 H, CH} 2 = C (CH 3) COOCH 2 (CF 2 CF 2) 4 H, CH 2 = CHCOOCH 2 CF 2 OCF 2 CF 2 OCF 3, CH 2 = CHCOOCH 2 CF 2 O (CF _{2 CF 2 O) 3 CF 3} , CH 2 = C (CH 3) COOCH 2 CF 2 OCF 2 CF 2 OCF 3, CH 2 = C (CH 3) COOCH 2 CF 2 O (CF 2 CF 2 O) 3 CF _{3, CH 2 = CHCOOCH 2 CF} (CF 3) OCF 2 CF (CF 3) O (CF 2) 3 F, CH 2 = CHCOOCH 2 CF (CF 3) O _{CF 2 CF (CF 3) O} ) 2 (CF 2) 3 F, CH 2 = C (CH 3) COOCH 2 CF (CF 3) OCF 2 CF (CF 3) O (CF 2) 3 F, CH 2 = _{C (CH 3) COOCH 2 CF} (CF 3) O (CF 2 CF (CF 3) O) 2 (CF 2) 3 F, CH 2 = CFCOOCH 2 CH (OH) CH 2 (CF 2) 6 CF (CF _{3) 2, CH 2 = CFCOOCH} 2 CH (CH 2 OH) CH 2 (CF 2) 6 CF (CF 3) 2, CH 2 = CFCOOCH 2 CH (OH) CH 2 (CF 2) 10 F, CH 2 = _{CFCOOCH 2 CH (OH) CH 2} (CF 2) 10 F, CH 2 = CHCOOCH 2 CH 2 (CF 2 CF 2) 3 CH 2 CH 2 OCOCH = CH 2, CH 2 = C (CH 3 _{COOCH 2 CH 2 (CF 2 CF} 2) 3 CH 2 CH 2 OCOC (CH 3) = CH 2, CH 2 = CHCOOCH 2 CyFCH 2 OCOCH = CH 2, CH 2 = C (CH 3) COOCH 2 CyFCH 2 OCOC ( CH ₃₎ = fluoro CH _2, etc. (meth) acrylate (where, CYF perfluoro (1,4-cyclohexylene group),).

The _{fluorodiene, CF 2 = CFCF 2 CF =} CF 2, CF 2 = CFOCF 2 CF = CF 2, CF 2 = CFOCF 2 CF 2 CF = CF 2, CF 2 = CFOCF (CF 3) CF 2 CF = CF ₂ , CF ₂ = CFOCF ₂ CF (CF ₃ ) CF = CF ₂ , CF ₂ = CFOCF ₂ OCF = CF ₂ , CF ₂ = CFOCF ₂ CF (CF ₃ ) OCF ₂ CF = CF ₂ , CF ₂ = CFCF ₂ C _{(OH) (CF 3) CH} 2 CH = CH 2, CF 2 = CFCF 2 C (OH) (CF 3) CH = CH 2, CF 2 = CFCF 2 C (CF 3) (OCH 2 OCH 3) CH 2 Fluorodienes such as CH═CH ₂ , CF ₂ ═CFCH ₂ C (C (CF ₃ ) ₂ OH) (CF ₃ ) CH ₂ CH═CH _{2 and the} like can be mentioned.

  A fluorine-containing (meth) acrylate may be used individually by 1 type, and may use 2 or more types together. Further, it can be used in combination with surface modifiers such as abrasion resistance, scratch resistance, fingerprint adhesion prevention, antifouling property, leveling property and water / oil repellency. For example, “Factent” manufactured by Neos Co., Ltd. (for example, M series: Futgent 251, Futgent 215M, Futgent 250, FTX-245M, FTX-290M; S series: FTX-207S, FTX-211S, FTX-220S, FTX-230S; F Series: FTX-209F, FTX-213F, Footage 222F, FTX-233F, Footage 245F; G Series: Footent 208G, FTX-218G, FTX-230G, FTS-240G; Oligomer Series: Footer Gent 730FM, tergent 730LM; tergent P series: tergent 710FL, FTX-710HL, etc.), DIC's "Megafuck" (for example, F-114, F-410, F-4) 3, F-494, F-443, F-444, F-445, F-470, F-471, F-474, F-475, F-477, F-479, F-480SF, F-482, F-483, F-489, F-172D, F-178K, F-178RM, MCF-350SF, etc.), Daikin "OPTOOL TM" (for example, DSX, DAC, AES), "F-Tone TM" (for example, AT-100), "Zeffle TM" (for example, GH-701), "Unidyne TM", "Daifree TM", "Optoace TM", Sumitomo 3M "Novec EGC-1720", Fluoro Technology “Fluorosurf” and the like.

The fluorine-containing (meth) acrylate preferably has a molecular weight Mw of 50 to 50,000. From the viewpoint of compatibility, the molecular weight Mw is preferably 50 to 5,000, and the molecular weight Mw is more preferably 100 to 5,000. When using a high molecular weight having low compatibility, a diluting solvent may be used. As a dilution solvent, the solvent whose boiling point of a single solvent is 40 to 180 degreeC is preferable, 60 to 180 degreeC is more preferable, and 60 to 140 degreeC is further more preferable. Two or more kinds of diluents may be used.

  The solvent content should just be the quantity disperse | distributed in a curable resin composition at least, and more than 0 weight part-50 weight part are preferable with respect to 100 weight part of curable compositions. Considering removing the amount of residual solvent after drying as much as possible, more than 0 parts by weight to 10 parts by weight is more preferable.

  In particular, when a solvent is contained in order to improve leveling properties, the solvent content is preferably 0.1 parts by weight or more and 40 parts by weight or less with respect to 100 parts by weight of (meth) acrylate. If the solvent content is 0.5 to 20 parts by weight, the curability of the photopolymerizable mixture can be maintained, and more preferably 1 to 15 parts by weight. When the solvent is contained in order to reduce the film thickness of the photopolymerizable mixture, if the solvent content is 300 parts by weight or more and 10000 parts by weight or less with respect to 100 parts by weight of (meth) acrylate, drying after coating is performed. Since the solution stability in a process can be maintained, it is preferable and it is more preferable if it is 300 to 1000 weight part. The photopolymerizable mixture contains 0.1 to 50 parts by weight of fluorine-containing (meth) acrylate and 0.01 to 10 parts by weight of photopolymerization initiator with respect to 100 parts by weight of (meth) acrylate. It is a photopolymerizable mixture. In particular, the (meth) acrylate is preferably a non-fluorine-containing (meth) acrylate.

  With respect to (meth) acrylate, in particular, 100 parts by weight of non-fluorine-containing (meth) acrylate, fluorine-containing (meth) acrylate is excellent in releasability if it is 0.1 parts by weight or more, and 50 parts by weight or less. If it exists, since it is excellent in the adhesiveness to a base material, it is preferable. In addition, since the (meth) acrylate is 0.8 parts by weight or more, the fluorine element concentration in the resin mold surface part (surface of the fine concavo-convex structure) can be increased, more preferably 6 parts by weight or less. Thus, the average fluorine element concentration in the resin can be lowered, and the bulk strength and the adhesive force at the substrate interface can be increased, which is more preferable. Furthermore, when the (meth) acrylate is in the range of 1 to 6 parts by weight, the free energy on the resin surface can be further lowered, and the repeat transferability is improved, which is preferable.

  The photopolymerization initiator is excellent in the polymerizability if it is 0.01 parts by weight or more with respect to 100 parts by weight of (meth) acrylate, particularly non-fluorine-containing (meth) acrylate, and if it is 10 parts by weight or less. It is preferable because bleed-out to the resin surface of the unreacted initiator and decomposition product after curing can be reduced. The photopolymerization initiator is more preferably 0.5 parts by weight or more, and further preferably 1 part by weight or more. On the other hand, the photocuring agent is more preferably 5 parts by weight or less. In particular, when the photopolymerization initiator is 0.5 to 5 parts by weight, the resin transmittance after curing is excellent.

  When a solvent is contained in order to improve leveling properties, the solvent content is preferably 0.1 to 40 parts by weight with respect to 100 parts by weight of (meth) acrylate. If the solvent content is 0.5 to 20 parts by weight, the curability of the photopolymerizable mixture can be maintained, and more preferably 1 to 15 parts by weight. When the solvent is included to reduce the film thickness of the photopolymerization mixture, it is 300 parts by weight or more and 10,000 parts by weight or less with respect to 100 parts by weight of (meth) acrylate. It is preferable because the solution stability can be maintained, and more preferably 300 parts by weight or more and 1000 parts by weight or less.

  When using a photocurable composition as a composition which comprises the fine uneven | corrugated layer 12, a photoinitiator can be contained. Examples of the photopolymerization initiator include 2,2-dimethoxy-1,2-diphenylethane-1-one, 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenylpropan-1-one, Benzophenone, 1-hydroxycyclohexyl phenyl ketone, 1- [4- (2-hydroxyethoxy) -phenyl] -2-hydroxy-2-methyl-1-propan-1-one, 2-hydroxy-1- {4- [ 4- (2-hydroxy-2-methyl-propionyl) -benzyl] -phenyl} -2-methyl-propane, phenylglyoxylic acid methyl ester, 2-methyl-1- [4- (methylthio) phenyl] -2 -Morpholinopropan-1-one, 2-benzyl-2-dimethylamino-1- (4-morpholinof Nyl) -butanone, 1,2-dimethylamino-2- (4-methyl-benzyl) -1- (4-morpholin-4-yl-phenyl) -butan-1-one, bis (2,4,6 -Trimethylbenzoyl) -phenylphosphine oxide, bis (2,4,6-trimethylbenzoyl) -phenylphosphine oxide, 2,4,6-trimethylbenzoyl-diphenyl-phosphine oxide, bis (η5-2,4- Cyclopentadien-1-yl) -bis (2,6-difluoro-3- (1H-pyrrol-1-yl) -phenyl) titanium, 1,2-octanedione, 1- [4- (phenylthio) -2- (O-benzoyloxime)] ethanone, 1- [9-ethyl-6- (2-methylbenzoyl) -9H-carbazol-3-yl] -1- (O-acetyloxime) and the like. In the present invention, 2,4,6-trimethylbenzoyl-diphenyl-phosphine oxide, 1,2-octanedione, which is highly sensitive and low in volatility, -[4- (phenylthio) -2- (O-benzoyloxime)] ethanone, 1- [9-ethyl-6- (2-methylbenzoyl) -9H-carbazol-3-yl] -1- (O-acetyl) Oxime) and the like can be preferably used. The blending ratio of the photopolymerization initiator is preferably 0.1 parts by mass to 5.0 parts by mass with respect to 100 parts by mass of the total monomer components in the photocuring composition. These photopolymerization initiators can be applied alone, but can also be used in combination of two or more.

  When using a photocurable composition as a composition which comprises the fine uneven | corrugated layer 12, it can also be used for a photocurable composition in combination with a photoinitiator, a photosensitizer, etc. For example, photosensitizers include n-butylamine, di-n-butylamine, tri-n-butylphosphine, allylthiourea, s-benzisoisouronium-p-toluenesulfinate, triethylamine, diethylaminoethyl methacrylate, Triethylenetetramine, 4,4′-bis (dialkylamino) benzophenone, N, N-dimethylaminobenzoic acid ethyl ester, N, N-dimethylaminobenzoic acid isoamyl ester, pentyl-4-dimethylaminobenzoate, triethylamine, triethanol Photosensitizers such as amines such as amines can be used alone or in combination of two or more.

  If the base material 11 which comprises the molded object 10 can support the fine uneven | corrugated layer 12, the material will not be specifically limited. For example, an inorganic material such as glass, ceramic, or metal, or an organic material such as resin can be arbitrarily selected depending on the application. In particular, in the case of antireflection applications, in order to reduce the reflectance at each interface, it is preferable that the difference in refractive index between each interface is small, preferably 0.2 or less, preferably 0.001 or more, It is more preferably 0.1 or less and 0.001 or more, and most preferably 0.05 or less and 0.001 or more.

  Examples of the resin include polymethyl methacrylate resin (PMMA resin), acrylic resin, polycarbonate resin (PC resin), polystyrene resin (PS resin), methyl methacrylate-styrene resin (MS resin), styrene resin, cyclohexane Olefin resin (COP resin), polyarylate resin, polyetherimide resin, polyether sulfone resin, polysulfone resin, polyether ketone resin, polyethylene terephthalate resin (PET resin), polyethylene naphthalate resin (PEN resin), polytri Examples thereof include methylene terephthalate resin, aromatic polyester resin, triacetyl cellulose resin (TAC resin), polyimide resin, acrylic-based, epoxy-based, urethane-based ultraviolet curable resin, and thermosetting resin. In particular, PMMA resin, acrylic resin, PC resin, PS resin, styrene resin, COP resin, PET resin, PEN resin, aromatic polyester resin, and TAC resin are preferable.

  An additive may be added to the transparent resin as necessary within a range where the effects of the present invention are obtained. This additive may be directly contained in the resin, or may be layered on the surface of the resin substrate. Examples of the additive include organic and / or inorganic particles, plasticizers, antioxidants, ultraviolet absorbers, antistatic agents, antifogging agents, and easy adhesives.

  Further, a barrier resin layer may be formed by coating or the like on the surface of the substrate 11 made of the transparent resin as long as the effects of the present invention are obtained. This is because by forming a barrier resin layer on the surface of the substrate, the substrate can be protected from deterioration factors such as heat, light, moisture, oxygen, carbon dioxide, nitrogen and hydrogen.

  On the other hand, when the substrate 11 is glass, a surface treatment such as a silane coupling agent, primer treatment, or UV treatment can be applied. Moreover, you may use combining these surface treatments. Moreover, you may use the base material in which the surface coating, the contact bonding layer, and the interference reduction layer are formed as the base material 11. FIG.

  As the form of the substrate 11, for example, a plate, a sheet, a film, a thin film, other arbitrary shapes, and a composite of these can be appropriately selected according to the purpose of use.

  The thickness of the substrate 11 can be appropriately selected according to the purpose of use and the manufacturing method as long as the effects of the present invention can be obtained.

  The fine uneven layer 12 formed on the substrate 11 preferably has a thickness of 200 nm or more from the top of the convex portion to the surface in contact with the substrate 11 from the viewpoint of the scratch resistance effect. From the viewpoint of transparency, it is preferable to reduce the optical path length, the thickness is preferably 3 μm or less, and more preferably 2 μm or less. Further, in order to reduce curling due to cure shrinkage of the resin, 1.5 μm or less is more preferable, and in order to reduce surface waviness accompanying cure shrinkage, it is most preferable to be 1 μm or less.

  The molded body used in the present invention can be manufactured by a generally known manufacturing method. For example, it can be manufactured by transferring a mold having the fine concavo-convex structure 10a to a composition constituting the fine concavo-convex structure 10a. it can. Examples of the transfer method include a thermal nanoimprint method, an optical nanoimprint method, a room temperature nanoimprint method, a cast method, and the like, depending on the curing conditions of the composition constituting the fine concavo-convex structure 10a. The optical nanoimprint method is more preferable from the viewpoint of rapid transfer and continuous production by roll-to-roll.

  Here, the case where a photocurable composition is used as a composition which comprises the fine concavo-convex structure 10a is demonstrated concretely as an example.

  First, a soft photocurable composition is applied on a substrate (application process). Next, this photocurable composition is pressed against the fine concavo-convex structure of the mold (pressing step). The photocurable composition is exposed and cured in the pressed state (exposure process). The obtained cured resin layer is peeled from the mold together with the base material to obtain a fine uneven molded body (peeling step).

(Coating process)
When the area of the substrate is larger than the area of the mold, the photocurable composition may be applied to the entire surface of the substrate, or only to the extent that the photocurable composition is applied to a part of the substrate and embossed. A photocuring composition may be present.

  By prebaking after applying a photocurable composition to a base material, when a solvent is contained, the solvent can be distilled off, and void formation derived from the residual solvent after curing can be reduced. Another effect is that the surface migration of the internally added additives (for example, fluorine-containing polymerizable (meth) acrylate and silicone-containing (meth) acrylate) can be promoted, and the surface of the cured resin layer is slippery. Will be better. As a result, the scratch resistance of the surface of the cured resin layer is improved, and the release property from the mold is improved, so that a high-quality cured resin layer with low defects can be obtained. The prebaking temperature is preferably 25 ° C to 120 ° C, more preferably 40 ° C to 100 ° C, further preferably 50 ° C to 100 ° C, and most preferably 60 ° C to 100 ° C. The prebaking time is preferably 30 seconds to 30 minutes, more preferably 1 minute to 15 minutes, and further preferably 3 minutes to 10 minutes.

  It is preferable to perform the process which improves the adhesiveness of a base material and a resin cured material layer. For example, easy bonding coating for physical bonding such as chemical bonding to the cured resin layer and physical bonding, primer treatment, corona treatment, plasma treatment, UV / ozone treatment, high energy ray irradiation It is preferable to perform a treatment, a surface roughening treatment, a porous treatment, or the like.

(Pressing process)
In the pressing step, it is preferable that a highly flexible base material is gently coated on the fine concavo-convex structure of the mold from the end so that bubbles do not enter and pressed under a constant pressure. The press pressure at the time of pressing is preferably more than 0 MPa to 10 MPa, more preferably 0.01 MPa to 5 MPa, and further preferably 0.01 MPa to 1 MPa.

(Exposure process)
In the exposure step, when the light transmittance of the mold is low, it is preferable to expose from the substrate side. On the other hand, when the mold has a high transmittance for light of an ultraviolet wavelength, for example, when the mold material is synthetic quartz, it is preferable to expose from at least one side of the substrate side or the mold side. It is more preferable that the exposure is performed. Instead of using a substrate, only the photocurable composition may be applied to a mold and cured. In that case, in order to prevent polymerization inhibition by oxygen, a method of exposing in a nitrogen atmosphere or an argon atmosphere, or coating with a substrate having low adhesiveness, and after curing, the substrate and the cured resin layer are peeled off. A cured product can be produced by a method or the like.

As an exposure light source to be used, a metal halide lamp, a high-pressure mercury lamp, a chemical lamp, or a UV-LED is preferable. From the viewpoint of suppressing heat generation during long-time exposure, it is preferable to use a filter (including a band-pass filter) that cuts a wavelength longer than the visible wavelength. As integrated light quantity is preferably 300 mJ / cm ² or more at a wavelength of 365 nm, for the purpose of obtaining a high reaction rate cured products, preferably at least 800 mJ / cm @ ^2, more preferably ^{800mJ / cm 2 ~6000mJ / cm 2} , a resin with light In order to prevent deterioration, 800 mJ / cm ^{2 to} 3000 mJ / cm ² is particularly preferable.

(Peeling process)
In the peeling step, the cured resin layer obtained by curing the photocurable composition by exposure is peeled from the mold. In the peeling step, as described above, when the mold surface is subjected to the mold release treatment, the cured resin layer can be easily peeled from the surface of the mold.

  Although the molded body which concerns on this invention can be manufactured according to each process demonstrated above, it is not limited to this manufacturing method.

Next, the protective materials 20 and 20 ′ will be described in detail.
The protective members 20 and 20 ′ protect the molded body 10 as a protective member, and are provided so as to enclose the molded body 10. In the present embodiment, the case where the protective material 20, 20 ′ is composed of the base film 22, 22 ′ and the slightly adhesive layers 21, 21 ′ has been described. It is not limited, You may comprise a protective material with the base film which has self-adhesiveness. From the viewpoint of preventing the protective material from peeling when the protective member 20 or 20 ′ is overlaid with the protective member-formed molded body via the adhesive layer, the protective material 20 or 20 ′ is preferably attached to the molded body to be protected.

  The protective material to be used may cover the molded body 10 by folding one protective material 20 as shown in FIG. 2, and a pair of protective materials 20 as shown in FIGS. , 20 ′ may be used to cover the molded bodies 10, 10 ′, 10 ′ ′. When using a pair of protective materials 20 and 20 ', the type of the protective material can be freely selected as long as it is within a range showing the magnitude relationship of the peeling force described later. Different protective materials may be used, but the cost can be reduced by using the same protective material.

  The adhesive force of the slight adhesion layers 21 and 21 ′ is not particularly limited as long as it is a non-covalent interaction. For example, hydrogen bonding force, van der Waals force, hydrophobic interaction, electrostatic interaction, ionic interaction and the like can be mentioned.

  A protective material can be manufactured by the method of apply | coating the coating liquid containing the material which comprises a slightly adhesion layer on a base film, for example. Specifically, on one surface of the substrate film, a coating liquid containing a material constituting the slightly adhesive layer and, if necessary, a solvent such as water is applied at a predetermined position and dried. It can manufacture by forming a slightly adhesion layer on a base film. In addition, a commercially available protective material may be used as long as it satisfies the present invention.

  Examples of the material constituting the base material films 22 and 22 'of the protective material include, for example, polyester resins, nylon resins, polyvinyl alcohol resins, polypropylene resins, polyethylene resins, cellophane, polyvinylidene chloride, polystyrene, polychlorinated resins. Examples include vinyl, polycarbonate, polymethyl methacrylate, polyurethane, fluororesin, polyacrylonitrile, polybutene resin, polyimide resin, polyarylate resin, and acetylcellulose. Of these, polyethylene resins are preferred from the viewpoints of flexibility and transparency.

  The thickness of the base material film 22 or 22 'of the protective material is not particularly limited. However, in consideration of the elasticity of the protective material, prevention of the base material film from being bent when adhered to a molded body, and flexibility of the film, 20 ˜100 μm is preferred.

  Examples of the material constituting the protective adhesive layers 21 and 21 ′ include rubber adhesives, acrylic adhesives, ethylene-vinyl acetate copolymer (EVA) adhesives, silicone adhesives, and urethane adhesives. Agents, vinyl alkyl ether pressure-sensitive adhesives, polyvinyl alcohol pressure-sensitive adhesives, polyvinyl pyrrolidone pressure-sensitive adhesives, polyacrylamide pressure-sensitive adhesives, and cellulose-based pressure-sensitive adhesives. Of these, EVA adhesives are preferred from the viewpoint of water resistance, weather resistance, and flexibility.

  The thickness of the slightly adhesive layers 21 and 21 ′ is not particularly limited, but is preferably 1 to 50 μm in consideration of the sticking property of the protective material to the molded body.

  A commercially available protective film may be used for the protective material of the present invention. Specific examples include “ZNB702” manufactured by Fujimori Kogyo Co., Ltd., “SAT HC1038T-J”, “SAT107T-JSL”, “SAT106T-JSL”, “SAT2038T-JSL” manufactured by Sanei Kaken Co., Ltd., Hitachi Chemical ( “L-7320” manufactured by Sumilon Co., Ltd. “TG-9000AS”, “TG-9000AS-2” manufactured by Sumilon Co., Ltd. “SRL-0753”, “SRL-0758 (AS)” manufactured by Lintec Co., Ltd. ) “EP-MS” manufactured by Kimoto, “M-CPF100 (75) -SL”, “T-CPF100 (75) SX-F”, “T-CPF100 (75) -SL”, “T” manufactured by Nipper Co., Ltd. -CPF50 (75) -SA-F ", CPF50 (75) -SL, etc. are mentioned. In particular, it is more preferable that it is slightly tacky. Examples include “Sanitekt” manufactured by Sanei Kaken Co., Ltd., “Hitalex” manufactured by Hitachi Chemical Co., Ltd., “Tretech” manufactured by Toray Film Processing Co., Ltd., Fujimori Kogyo Co., Ltd. "Mastak PC-801" manufactured by Corporation, "JA16F" manufactured by Sanei Kaken Co., Ltd. "DP-1010, ML-2010, DT-4200S" manufactured by Hitachi Chemical Co., Ltd., "SRL-050F" manufactured by Lintec Corporation (SF), SRL-0753C (AS), SRL-125F (SF), SRL-050F (SFCL) ", Kimoto" RC THS, RC SHR, SQD3, SQ, EP-LS ", etc. It is done.

  As shown in FIG. 5, the molded body with a protective member of the present invention has a peeling force (a peeling force between the protective materials (hereinafter referred to as a peeling force (A))) of the paired protective materials, Peeling force between the convex portions of the fine concavo-convex structure (peeling force between the protective material and the main surface 10b side of the molded body (hereinafter, peeling force (B))), peeling between the protective material and the other main surface By using the magnitude relationship of force (peeling force between the protective material and the main surface 10c side of the molded body (hereinafter, peeling force (C))), the adhesive force between the convex part of the fine concavo-convex structure and the protective material is weak Even in this case, unintentional peeling of the protective material due to floating or the like is unlikely to occur, and the effect of easily determining the front and back of the molded body can be obtained even with a transparent molded body. As for the peeling force (C), a fine concavo-convex structure 10a 'may be formed on the main surface 10c of the molded body as shown in FIGS.

  Note that the peeling force used here is the term peeling force because the effect can be obtained by the act of peeling. However, as long as the effect of the present invention is obtained, the peeling force is different from the adhesion force and the adhesion force. The expression may be substituted.

  Because of the relationship of peeling force (A)> peeling force (B), even when a float occurs between the main surface 10b side of the molded body and the protective material, the surroundings are fixed and the float is inadvertent. Protective material peeling hardly occurs. In addition, the magnitude relationship includes a case where the protective material and the main surface 10b side of the molded body are not substantially bonded, that is, a case where the peeling force B is zero or infinitely zero. Therefore, by selecting a protective material that does not adhere to the convex portions of the fine concavo-convex structure, it is possible to prevent plasticizers, additives, and the like from unintentionally bleeding out and contaminating the surface of the fine concavo-convex structure.

  By being in the relationship of peeling force (C)> peeling force (B), the front surface and the back surface of the molded body can be identified when peeling. For example, the side having the fine relief structure 10a and the substrate 11 side can be easily identified. Further, even when the peeling force (B) between the molded body and the protective material is very weak, the molded body 10 does not slip or the like due to the superior adhesive force between the base material 11 side and the protective material.

  In the present invention, for the above reason, it is preferable that the peeling force (B) is the smallest among the peeling forces (A) to (C). Therefore, the relationship of peeling force (C) ≧ peeling force (A)> peeling force (B) or peeling force (A) ≧ peeling force (C)> peeling force (B) may be satisfied. By satisfying these conditions, even if the adhesive force between the fine concavo-convex structure 10a and the protective material 20 is weak, the molded body 10 can move such as a slip due to the adhesive force between the base material 11 side and the protective material 20 ′. In addition, since the periphery of the molded body 10 is laminated by the adhesive force between the protective materials, an inadvertent slip or the like of the molded body 10 can be prevented. Furthermore, in this molded body with a protective member, when the protective material is peeled off from the portion where the protective materials are bonded, the protective material on the fine concavo-convex structure side of the molded body is peeled off first. For this reason, it turns out that the side which the protective material peeled first is a main surface which has a fine concavo-convex structure, and the main surface of the state which the protective material adhered to the molded object is a base material side.

(Peeling force (B))
The protective material suitable for the molded body with the protective member of the present invention has a weak adhesive force with the convex portion of the fine concavo-convex structure, and it is preferable that the protective material is insufficient as a protective material simply by being adhered to the convex portion of the fine concavo-convex structure. . Inadequate as a protective material is a protective material that has weak initial adhesive strength and causes floating, or after being attached at room temperature and then placed in a heating environment at 80 ° C. for one day or more. It may be a protective material that causes floating. Moreover, the protective material which a protective material floats easily when a molded object with a protective member is bent after sticking is also included. The term “floating” refers to a phenomenon in which the protective material at the end is lifted, or a phenomenon in which bubbles floating from the end are transferred to a portion including the molded body and bubble biting occurs. For the above reasons, when the peeling force (B) is 0.05 N / 25 mm or less, the peeling force (B) does not substantially adhere to the convex portion of the fine concavo-convex structure, and 0.01 N / 25 mmN or less or zero from the protective material. The risk of surface contamination of the fine concavo-convex structure due to the migration component or the like can be eliminated without limit.

(Peeling force (A) and (C))
As for the peeling forces (A) and (C), on the premise that the above-mentioned magnitude relationship is established, the peeling force added by 0.01 N / 25 mm or more than the peeling force (B), It becomes easy to distinguish the surface having the structure and the surface on the substrate side. For this reason, it is preferable that the difference between peeling force (C) and peeling force (B) is 0.01 N / 25 mm or more. In addition, the peeling forces (A) and (C) are peeling forces added by 0.03 N / 25 mm or more than the peeling force (B), so that it is not caused by slip prevention or bending operations. Prepared protective material can be prevented from floating.

  Moreover, even when the fine concavo-convex structure is formed on the main surfaces on both sides of the molded body as shown in FIGS. 3 and 4, the present invention can be similarly applied if there is a difference in peeling force as described above. it can. That is, in the case of a molded body in which the fine concavo-convex structure D is provided on one main surface of the base material and the fine concavo-convex structure E is provided on the other main surface of the base material, “the main surface on the protective material and the fine concavo-convex structure D side” Unless the relationship between “peeling force (B)” and “peeling force (B ′) between the protective material and the main surface on the fine relief structure E side” is equal, that is, peeling force (B)> peeling force (B ′ Or peeling force (B ′)> peeling force (B). Moreover, when it was a fine concavo-convex structure consisting of the same concavo-convex shape on both sides, the peel force (B)> the peel force (B ′) or the peel force (B ′)> is changed by changing the combination of the protective materials. The relationship of peeling force (B) can be established.

  In the present invention, the peel strength of the protective material was measured with a tensile tester using an adhesive tape 90 degree peel test jig based on JIS Z1528. The peeling force was measured in a room at 23 ° C. and 50% RH under the peeling speed of 300 mm / min. As the measurement sample, for example, a sample cut into a strip shape having a width of 25 mm and a length of 100 mm was used.

(Example)
Examples for clarifying the effects of the present invention will be described below. The present invention is not limited to the following examples.

(Composition constituting a fine relief structure)
32 parts by mass of trimethylolpropane triacrylate as a monomer component containing three or more acrylic groups and / or methacryl groups in one molecule, and N-vinyl-2 as a monomer component containing an N-vinyl group -32 parts by weight of pyrrolidone (NVP), 33 parts by weight of 1,9-nonanediol diacrylate as the other monomer component, and 2,4,6-trimethylbenzoyldiphenylphosphine oxide (Ciba 2 parts by weight of Specialty Chemicals, Darocur TPO), 1 part by weight of silicone diacrylate, which is a silicone compound containing an acrylic group as an internal mold release agent, are filtered through a filter with a pore size of 1 μm. A composition constituting a fine concavo-convex structure was produced. The viscosity at 50 ° C. of the photocurable composition constituting the fine uneven structure was 5 mPa · s. The said viscosity was measured at 50 degreeC using the E-type viscosity meter (the Toki Sangyo company make, model number: RE550L). This preparation was used as a resin composition.

(Original plate production method)
An interference manuscript was obtained by irradiating a glass plate on which a photoresist layer of uniform thickness was formed with two laser beams separated by a beam splitter by a laser interference exposure method. Next, the glass plate was rotated 60 ° to obtain an interference paper in the same manner. Thereafter, the photoresist was developed to prepare an original plate having a moth-eye continuous structure including concave and convex portions. In the original plate, the arrangement patterns of the concave portions and the convex portions were each a hexagonal lattice pattern.

(Method for producing stamper A)
From the original plate, the fine concavo-convex structure was transferred by electroforming to produce a nickel-plated stamper (flat plate, thickness 0.2 mm) having a moth-eye concavo-convex structure. In the stamper, the distance between the apexes of the fine concavo-convex structure (average pitch) was 240 nm, and the height was 290 nm. Moreover, the average diameter of the convex part was 240 nm. In the stamper, the arrangement pattern of the concave portions and the convex portions was a hexagonal lattice pattern. The stamper surface was subjected to mold release treatment using a mold release agent (Daikin Industries, Durasurf HD-2101Z).

(Method for producing molded body)
A pattern was transferred to a film by the optical nanoimprint method using the produced stamper. A resin composition is applied to a 80 μm thick triacetyl cellulose resin (hereinafter abbreviated as TAC) film (TD80UL-H / Fuji Film Co., Ltd., refractive index 1.48), and the stamper and TAC film It was covered so that there was no air in between. Ultraviolet rays were irradiated from the TAC film side at 1500 mJ / cm ² using a metal halide lamp to cure the resin, and then peeled to obtain a molded body in which the fine uneven structure of the stamper was transferred. From the SEM observation of the pattern surface of the molded body, it was confirmed that the inverted shape of the stamper was transferred.

  Next, the protection form when the molded body obtained as described above was protected using a protective material was evaluated.

Example 1
<Evaluation of protection using “Toraytec” manufactured by Toray Film Processing Co., Ltd.>
Tretec # 7332 (700 mm □), which is a protective material, is stacked in parallel on the main surface side of the molded body (500 mm □) having a fine uneven structure, and the fine uneven structure is protected by the fine adhesive layer, and rubber is formed from the end. It was coated by pressing with a roller. However, the protective material did not adhere to the convex portions of the fine concavo-convex structure at all. Therefore, two Tretec # 7332 (700 mm □) are prepared as protective materials, and are stacked with the adhesive layers of each protective material so that they cover both surfaces of the molded body. Pressed to coat.

  As a result, the protective material on the outside of the molded body is firmly adhered to each other, and the protective material is still securely adhered to the projections of the fine concavo-convex structure of the molded body even though the protective material is not yet adhered. Was confirmed. It was also confirmed that no floating occurred even when bent.

  Next, when the protective material protecting both surfaces of the molded body was peeled off at the same time, one main surface side was easily peeled off and the other main surface side remained adhered to the protective material. When the molded body from which the protective material was peeled was observed with an SEM, a moth-eye structure was confirmed, and it was confirmed that the surface had a fine uneven structure. Further, when the reflectance of the molded body before the protective material was adhered and the reflectance of the molded body after the protective material was peeled off, the reflectance did not vary. It was also confirmed that there was no contamination of the fine concavo-convex structure. In addition, about each peeling force, it described in following Table 1.

(Example 2)
<Evaluation of protection using "RC THS" manufactured by Kimoto Co., Ltd.>
RC THS (300mm □), which is a protective material, is stacked in parallel on the main surface side of the molded body (200mm □) having a fine uneven structure, and the fine uneven structure is protected by the fine adhesive layer, and a rubber roller is formed from the end. And coated with pressure. At this time, no film lifting was observed, but when the molded body with the protective member was bent, the film easily floated and peeled off. Therefore, two RC THS (400mm □) are prepared as protective materials, and they are overlapped so as to cover the entire surface of the molded body with the fine adhesive layer of each protective material, and pressed with a rubber roller while taking care not to chew the air. And coated. As a result, it was also confirmed that the protective material outside the molded body was firmly bonded to each other, and no floating occurred even when bent.

  Next, when it was going to peel off the protective material which protected both surfaces of the molded object simultaneously, one main surface side peeled easily by the difference in peeling force, and the other main surface side remained adhered to the protective material. When the molded body from which the protective material was peeled was observed with an SEM, a moth-eye structure was confirmed, and it was confirmed that the surface had a fine uneven structure. Further, when the reflectance of the molded body before the protective material was adhered and the reflectance of the molded body after the protective material was peeled off, the reflectance did not vary. It was also confirmed that there was no contamination of the fine concavo-convex structure. In addition, about each peeling force, it described in following Table 1.

  Next, the results of the heat resistance test will be described (Table 2). In the heat resistance test, the molded product with the protective material is allowed to stand in a dryer at 80 ° C. for 7 days, and after the test, it is left in a room at 23 ° C. and 50% RH for about 2 hours to form a molded product of the protective material. Evaluation was made on the degree of contamination from the surface of the moth-eye and the degree of contamination of the moth-eye structure caused by adhesion of the adhesive.

  The degree of contamination was evaluated from the difference in reflectance between the moth-eye structures before and after the test. The reflectance for each 0.5 nm in the wavelength range from 400 nm to 700 nm was measured, and the average value of the reflectance difference at each wavelength was calculated. Hereinafter, these examples and comparative examples will be described.

(Example 3)
<Double-sided protection using Kimoto's "RC THS">
In the same manner as in Example 2, both sides of the molded body were protected and a form including the molded body was produced. When this sample was subjected to the heat resistance test, it was confirmed that the protective material was not lifted by air biting or the like, and a protective form unchanged from the initial test state was maintained. Moreover, as a result of measuring the reflectance of the moth-eye structure surface after peeling off the protective material, it was confirmed that there was no change from the initial reflectance and that the pattern surface was not contaminated.

(Comparative Example 1)
<One-sided protection using "RC THS" manufactured by Kimoto Co., Ltd.>
A state in which only the moth-eye structure surface described in Example 2 was protected was produced. Protective material floating was not observed in the state of standing at room temperature immediately after pasting, but the phenomenon of floating between the molded product end and protective material, despite standing still after the heat test. Was confirmed. This is presumably because the adhesive force between the protective material and the moth-eye structure surface is weak, and heating causes volume shrinkage of the adhesive layer on the protective material side, which is superior to the adhesive force with the moth-eye structure surface.

(Comparative Example 2)
<One-sided protection form using "SAT106T-JSL" manufactured by Sanei Kaken>
Only the moth-eye surface was protected using a protective material “SAT106T-JSL” having good adhesion to the moth-eye structure surface and having an initial peel strength of 0.49 N / 25 mm. Under room temperature conditions immediately after bonding, there was no change in the peelability from the moth-eye structure surface, and no noticeable adhesive material residue was produced. When this sample was subjected to a heat resistance test, the protective material did not float, and the peel strength increased to 0.55 N / 25 mm, further increasing the adhesion. When the protective material protecting the moth-eye structure surface was peeled off and the reflectance of the moth-eye structure surface was measured, the reflectance change greatly changed to | ΔR | = 1.30%. This is considered that the adhesive component of the protective material has shifted to the moth-eye structure surface by heating.

  The present invention is not limited to the embodiment described above, and can be implemented with various modifications. In the above-described embodiment, the size, shape, and the like illustrated in the accompanying drawings are not limited to this, and can be appropriately changed within a range in which the effects of the present invention are exhibited. In addition, the above-described aspect of the present invention and the embodiment of the fine concavo-convex structure can be combined as appropriate. In addition, the present invention can be appropriately modified and implemented without departing from the scope of the object of the present invention.

  The present invention can be suitably used for flat panel displays such as liquid crystal displays and plasma displays, lenses and the like.

DESCRIPTION OF SYMBOLS 10 Molded object 10a Fine concavo-convex structure 10b, 10c Main surface 11 Base material 12, 12 'Fine concavo-convex layer 13 Adhesive layer 20, 20' Protective material 21, 21 'Slight adhesive layer 22, 22' Base material film (A) Protective material Peeling force between each other (B) Peeling force between the protective material and the main surface 10b side of the molded body (C) Peeling force between the protective material and the main surface 10c side of the molded body

Claims (8)

  A protective member comprising a molded body having a pair of main surfaces and having a fine concavo-convex structure on at least one main surface side of the pair of main surfaces, and a protective member provided so as to enclose the molded body. The protective member is composed of a pair of protective materials each having a base material and a fine adhesion layer formed on the base material, and each of the pair of protection materials has a fine adhesion layer. Is in contact with the convex part of the fine concavo-convex structure of the molded body or the other main surface, and the adhesive layer is bonded to each other to enclose the molded body.   Peeling force (A) of a pair of bonded protective materials, peeling force (B) between the protective material and the convex portion of the fine concavo-convex structure, and between the protective material and the other main surface 2. The molded body with a protective member according to claim 1, wherein the magnitude relationship of the peeling force (C) is A ≧ C> B or C ≧ A> B.   The said peel force (B) is 0.05 N / 25mm or less, The molded object with a protection member of Claim 1 or Claim 2 characterized by the above-mentioned.   The molded body with a protective member according to any one of claims 1 to 3, wherein a difference between the peeling force (C) and the peeling force (B) is 0.01 N / 25 mm or more.   The said pair of protective material is comprised with the single protective material, The molded object with a protective member in any one of Claims 1-4 characterized by the above-mentioned.   The molded body with a protective member according to any one of claims 1 to 5, wherein the molded body includes a region in which the concave-convex pitch is equal to or less than a wavelength of light in a fine concave-convex structure.   The molded article with a protective member according to any one of claims 1 to 6, wherein the fine uneven structure has a moth-eye shape.   The said molded object consists of a resin composition containing a silicone component or a fluorine component, The molded object with a protection member in any one of Claims 1-7 characterized by the above-mentioned.

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