TW201231609A - Adhesive and adhesive film - Google Patents

Abstract

The present invention provides an adhesive and adhesive film which can be laminated without absence of lengthening of adhesive layer on substrate layer when coextruded by extruder and can be used in coating body of prism sheet etc. having small touch area with film when glued with protective film. The present invention provides an adhesion resin composition which is characterized by comprising resin composition containing adhesion granting resin not less than 2 parts in weight and less than 10 parts in weight and resin of polyolefin series not less than 2 parts in weight and less than 10 parts in weight relative to 100 parts in weight elastomer of styrene series having 5-15 wt% styrene component. The elastomer of styrene series takes block copolymer of styrene series copolymer blocks and olefin series copolymer blocks, block copolymer of styrene series copolymer blocks and random copolymer blocks of styrene and olefin, and/or these hydrogenated substances as main component.

Description

.201231609 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to an adhesive and an adhesive film. The adhesive of the present invention can be suitably used for an adhesive film for protecting the outer surface of the prismatic lens portion of the cymbal used for optical applications. In addition, it is used to protect the surface of automobile bodies such as synthetic resin sheets (for building materials), stainless steel sheets (for building materials), name plates, decorative plywood, steel sheets, glass sheets, home appliances, precision machinery, and manufacturing. 'Used to protect articles from damage during the handling of stacking, storage, transport and manufacturing steps; and to protect articles from injury during secondary processing (such as bending and pressurization). [Prior Art] In the past, the adhesive film for the purpose of protecting the surface of the covering is used for processing of building materials, electrical and electronic products, automobiles, etc.: when the film is stored or transported, the adhesive film has good adhesion. , the same % after use, the adhesive must be smashed on each surface and can be easily peeled off. Such an adhesive film is formed by laminating an adhesive layer on a layer of a substrate as a substrate. The plastic film of the adhesive film is a method of applying a solution-like adhesive, such as a base material layer which is composed of a synthetic resin or the like, and a solution-like adhesive. And a method of co-extruding a film, a pancreas, and the like by melting a substrate layer and a sounding layer, and melting the A secret layer from a plurality of extruders. In terms of quality and quality, it is not possible to use only the gauntlet. The co-extrusion film of I 杈 eight method is a superior tree. When co-extrusion film is formed, it is used in the adhesive layer of styrene which has one of 201231609 ^ # D ' · 5τ I ά hot m elastomer Elastomers. The styrene-butadiene elastic system is excellent in adhesion to a base material layer containing a polyolefin resin in the production of a thin material adhesive layer, and has an advantage of easily controlling the adhesion by adding an adhesion-imparting agent (Patent Document i). In addition, in recent years, since the above-mentioned covering body is diversified, the covering surface is not only smooth, but also many surface irregularities can be seen. For the covering body having the surface unevenness, for example, the prismatic lens portion # used for the prism sheet of the optical member is used, and for the covering body having the surface unevenness as the prism sheet, it is necessary to exhibit sufficient adhesive force in use. . Therefore, there are the following considerations: the way to obtain adhesion even if the contact area is small, and the adhesion of the adhesive layer; or by softening the adhesive layer] The layer is eaten into the surface unevenness of the covering body to increase the contact area to obtain adhesion, etc. In order to improve the self-adhesiveness of the adhesive layer, it is possible to add an adhesive-imparting resin by adding a styrene-based elastomer to the adhesive layer (for example, π Patent Document 1, etc.) However, since an excessive adhesion-imparting resin is added to the styrene-based elastomer, the adhesive layer formed is coextruded by an extruder and laminated on the substrate layer to form an adhesive layer. The melt viscosity is low and it is difficult to extend and time-consuming for the substrate layer. X, using a feedblock method to build a layer, after the adhesive layer is extended to the substrate layer, because the adhesion layer is viscous viscosity The material layer is low, because in the width direction of the film: the adhesive layer at the end portion will slowly wrap, resulting in only the adhesive layer at the end portion, causing problems at the end of the film sticking to the film forming machine, etc. The addition of the adhesion-imparting resin to the ethylene-based elastomer allows the self-adhesive force necessary for the use of the enamel sheet to be exhibited (for example, 201231609, see Patent Document 2), but only when the adhesion-imparting resin is added to the styrene-based elastomer. 'The film is in a roll state, and when the film is subsequently taken up, the unwinding property is not necessarily good. [Prior Art Document] [Patent Document] [Patent Document 1] 曰本特开平1 〇 _ 1 5 1 6 5 6 [Patent Document 2] JP-A-2007-3 323 29 SUMMARY OF INVENTION [Problem to be Solved by the Invention] The problem to be solved by the present invention is to provide an adhesive to be used in the production of an adhesive film. When the agent and the substrate layer are coextruded with a resin, the adhesive can be laminated on the base material layer without causing insufficient expansion, and the bonding (b 1 〇cking) in the film winding state can be small, for example, It is suitable for the adhesive agent and the adhesive film which are used for the adherends, such as a smear which has a small contact area with the adhesive film. [Means for Solving the Problem] The inventors of the present invention have found that the composition is adhered by adhesion. The resin composition of the agent is in a predetermined range, and the above-mentioned problems can be solved, and the present invention is completed, that is, the present invention is an adhesive resin composition characterized by comprising a styrene-based elastomer in an amount of 100 parts by weight. a resin composition containing 2 parts by weight or more and less than 10 parts by weight of the adhesion-imparting resin, 2 parts by weight or more and less than 10 parts by weight of the polyolefin-based resin; the styrene-based elastomeric system styrene component is 5 ～15% by weight, and a block copolymer of a styrene-based polymer block and an olefin-based polymer block, stupid B

The inclusion of the random copolymer block of S-ene smoke as a main component; the content of the adhesive tree-hydrocarbon resin. In the case of a film, even if it is coextruded by extrusion, it can be formed by laminating a film formed on a substrate layer. The adhesive layer of the one layer of the polyacryl layer is a protective film. For example, even if the coated body is bonded, there is a substrate layer which is practically composed of a film which is superposed between the films, and a resin which adheres the film as a main component, and a surface opposite to the adhesive layer of the object, and a base layer and a layer which are degreased as a main component. The release layer is at 230 by coextruding a stupid vinyl elastomer.聚, flow rate; MFR) is preferably a polypropylene resin of 2 3 〇 ° C, Μ 1 _0 to 1 5 g/10 minutes. 201231609 The rare polymer segment and the styrene and segment copolymer, and/or the hydrogenated fat composition are characterized, in particular, according to the invention, in the manufacture of the binder, the adhesive and the substrate layer are supplied with resin. It does not cause insufficient expansion and will occupy the adhesive film. Further, in the present invention, a thin epoxy resin is used as a base resin composition of a main component. The adhesive film of the present invention is advantageous in that it has sufficient adhesion to the surface unevenness such as a prism sheet, and the adhesion between the adhesives is small. Further, it is preferred that the polypropylene is laminated on the mold layer containing the adhesive resin. Further, it is preferable that the polypropylene contains an adhesive layer of an adhesive resin composition. Further, the melt flow rate of 2 to 16 kgf in the above-mentioned adhesive layer (melt 0.5 to 10 g/10 min is preferable).

Further, in the above-mentioned base material layer, the melt flow rate (MFR) of ί 2.1 6 kgf is J 201231609. Further, the adhesive film is preferably coated with a crepe sheet. Further, the adhesive film is preferably self-adhesive. [Effects of the Invention] The adhesive layer of the present invention is capable of laminating an adhesive on a base without coextrusion by using an extruder, and having an adhesive layer even if the adhesive films are overlapped. There are also few advantages. The adhesive film of the present invention is useful, for example, when it is adhered to a adherend having a small contact area of fish such as a crepe sheet as a protective film. [Embodiment] [Mode for carrying out the invention] Hereinafter, the implementation of the adhesive and the adhesive film of the present invention will be described. When the present invention is referred to as "main component", it means that the component is 90% by mass or more. (Adhesive resin composition) The resin composition constituting the adhesive of the present invention is obtained by co-extrusion of a vinyl-based elastomer, an adhesion-imparting resin, and a polyolefin-based resin at a pre-rate. When the laminate is laminated on the base material layer containing the polypropylene resin as a main component, the ductility is good, and in the feed block (feed-k) method (4), the adhesive layer is not easily wrapped in the end portion in the thin width direction. Further, the obtained adhesive film is preferred for the adhesion of the covering itself. (Styrene-based elastomer) The stupid vinyl-based elastomer system is in the form of a stupid ethylene-butadiene-stupid B. The form of the adhesive film is thin, and the film of the benzene-based system is thin. 201231609 Mu · isoprene - styrene, styrene - ethylene / butene copolymer - styrene, stupid ethylene - ethylene / propylene copolymer - stupid ethylene, etc. A_B_A type block polymer, styrene. #a-type block copolymer such as butadiene, styrene-isoprene, styrene-ethylene/butene copolymer, styrene-ethylene/propylene copolymer, etc. #乙乙丁丁橡胶# Rarely random a total of 1 and such hydrides. The hydride of the styrene-based elastomer used in the present invention means that the double bond of the conjugated diene derived from the above styrene-based elastomer is partially or completely saturated by chemical conversion. In terms of saturation, it is preferably 80 mol% or more, more preferably 9 〇m 〇 l% or more, and particularly preferably 95 〜1 〇〇 m 〇 1%. When the above saturation is less than 80 mol%, the weather resistance and heat resistance of the adhesive layer may be insufficient. The styrene component in the styrene elastomer is preferably 5% by weight or more and 15% by weight or less. When the amount is less than 5% by weight, the granulation in the case of producing a resin becomes difficult, and when it is more than 5% by weight, the adhesion is lowered and it is difficult to obtain a necessary adhesive force. Further, the adhesion can be improved by increasing the amount of adhesion imparted to the resin, but as the amount of addition increases, the ductility of the adhesive layer deteriorates during coextrusion. When the laminate is laminated by using a feedblock method, the adhesive layer is easily The end portion of the film in the width direction is wrapped. In order to exhibit the necessary adhesive force and to make the adhesive layer have good ductility during coextrusion, and the adhesive layer is not easily wrapped in the end portion in the width direction of the film, the styrene component in the styrene elastomer is 丨0. It is preferably 3% by weight or more and 3% by weight or less. The styrene-based elastomer to be used has a smelting flow rate (MFR) of 2.16 kgf at 230 ° C and a range of 〇 5 to 1 〇 g / 1 〇 minutes, and in terms of film formability, 201231609, is 2 · 〇 ~ 8 〇 g / I 〇 minutes range is better. (Adhesive-imparting resin) The resin-based resin may, for example, be an aliphatic smoky resin, an aromatic: tS olefin resin, a coumarone-segment resin, a styrene resin, or a squid. The content of the adhesion-imparting resin in the resin composition is 5% by weight or more and 15% by weight or less based on 100 parts by weight of the stupid ethylene component, and is 2 parts by weight or more and less than 10 parts by weight. good. Viscosity: When the content of the resin is less than 2 parts by weight, the adhesion is not expected to be improved. When the adhesion-imparting resin is excessively increased to 10% by weight or more, the melt viscosity is remarkably lowered during melt extrusion. When a polypropylene resin-based resin having a melt flow rate (MFR) of 2.16 kgf at 230 ° C and a flow rate (MFR) of less than i5 (g/i 〇 minute) is used as a base material layer, and an adhesive layer having a low melt viscosity is deposited by co-extrusion, Due to the difference in melt viscosity between the substrate layer and the adhesive layer, there is a problem that the adhesive layer is difficult to perform and time consuming for the substrate layer. Moreover, when the adhesive layer is used to laminate, after the adhesive layer is extended to the base material layer, since the adhesive layer has a lower melt viscosity than the base material layer, the adhesive layer is slowly formed at the end in the film visibility direction. The spoon causes the end portion to have only an adhesive layer and causes the film end portion to adhere to the film forming machine or the like. Further, after the adhesive film is taken up into a roll shape, there is a problem that adhesion tends to occur when it is rolled out again. Also, because there is also the possibility of losing the coated body. The content of the adhesion-imparting resin is preferably 4% by weight or more and 9% by weight or less. (Polyolefin-based resin) The polyolefin-based resin is not particularly limited, and examples thereof include crystalline polypropylene-10-201231609, a copolymer of propylene and a small amount of α-olefin, low-density polyethylene, high-density polyethylene, and ethylene. A small amount of a copolymer of α-olefin, a copolymer of ethylene and vinyl acetate, and the like. In the case where the base material layer is made of a polypropylene resin, the relationship between the melt viscosity and the like, the polypropylene resin can be suitably used. The polysulfide resin used at ° is 23 〇 C, 2.16 kgf. The smelting flow rate (MFR) is preferably in the range of 0.5 to 1 〇g/l 0 minutes, and more preferably in the range of 2.0 to 8.0 g/10 minutes based on the film forming property. The content of the polyolefin-based resin in the resin composition is from 5% by weight to 15% by weight based on 100 parts by weight of the styrene component, and is 2 parts by weight or more and less than i 〇 by weight. The scope. When the amount is more than 10 parts by weight, the adhesive strength is low, and sufficient adhesion to the covering having surface unevenness is not obtained, and the ductility is also poor. When the amount is less than 2 parts by weight, the film is stored in a roll state, and then when the film is taken up, there is a problem that the film is partially bonded, or the film is partially elongated or deformed. The content of the polyolefin resin is preferably 4% by weight or more and 9% by weight or less. :, in the point of use of the adhesive, the resin is given according to the type: sometimes it will contain a part of the powder, and sometimes it will be stained when it is extruded. Since the olefin is used for the masterbatch and is used for improvement, it is preferably used for the masterbatch of the resin and the poly-resin resin. The range of the problem of the adhesive used in the present invention may be achieved without hindering the achievement. The invention relates to the addition of a crosslinking agent, a sputum, a pre-agent, an inorganic or organic filler, a softening agent, a deodorant, a defoaming agent, an antistatic agent, a plasticizer, and an interface. 1 β -11 - 201231609 or more of various additives such as the active agent 4 and the flame retardant, and it is preferable to use an additive which does not inhibit the transparency of the adhesive layer and the obtained film (surface protective film). (Adhesive film) The adhesive film formed by laminating a layer of a substrate on which a polypropylene resin is used as a main component by using the above-mentioned adhesive as an adhesive layer can be sufficiently adhered to the substrate layer. Extension, and the coating system such as the prism sheet Adhesive force, and adhesion between the adhesive films, the adhesion between the adhesive films is less. The adhesive force of the adhesive film of the present invention is 23, and the film is based on the range of 3 to 50 cN/25 cm. The protective performance is better. The adhesion is less than 3 (;] ^ / 25 £; 111, when the cymbal is protected, curling, etc., can not afford the function as a protective film. Another, the adhesion is greater than 5 〇 At cN/25 cm, the film may not be smoothly peeled off from the crepe sheet. The adhesive force can be appropriately set by changing the resin composition and thickness of the adhesive, etc. The adhesive film of the adhesive film of the present invention is faced. The peeling of the release surface is preferably in the range of 1 3 0 C N / 25 cm or less in the range of 2 3 C, and is preferably based on the roll-out property of the film when the thin roll is adhered. When the peeling force is 100 cN/25 cm When the adhesive film is in the form of a roll, it is thinned out, and the film may be partially elongated or deformed. The force can be changed by forming the surface unevenness in the release layer to change the roll into a roll. Appropriate contact area between the adhesive surface and the release surface It is also possible to reduce the peeling force by adding a fluororesin, a polyoxymethylene resin, a ketone-1-pentene polymer or the like to the release layer, thereby reducing the peeling force. The adhesion is thin and Even if it is a point, it is a production point, the layer is strong, and the film is larger than the film. The stripping is determined. 4-Methyl Resin-12- 201231609 The adhesive film of the present invention can be used according to the known additives. It contains a lot of tranquilizers, antioxidants, antistatic enamel binders, heat, etc. M. Impact modifiers, however, to make the low score of the surface of the adhesive layer lmg/m2 Wei. Here, the measurement of the adhesive layer is performed in less than the following order. The surface of the adhesive layer is washed by using an organic solvent of a resin of a sub-quantity substance: after the etching constitutes an adhesive layer or the like, the organic solvent is removed from the cleaning liquid, etc., the value obtained by the evaporator is divided by the adhesion sound table, and the residue The surface area of the surface of the layer I is obtained. When the residue is more than 1 mg/m2, foreign matter is present between the surface of the adhesive layer and the surface of the adherend, because the contact area is reduced and the van der Waals is caused. The force is low, so the adhesion is low, but it is not good. When adding the force: when the agent is selected, it is necessary to select an additive such as a polymer type, or to check the addition amount and the addition method so that it does not migrate and transfer to the adhesive layer. (Base material layer) The pressure-sensitive adhesive film of the present invention requires a base material layer containing a polypropylene resin as a main component. The polypropylene resin used herein may be a a-propylene polypropylene or a propylene resin. A random copolymer of a small amount of α-dilute hydrocarbon, a smothered copolymer, etc. Further, the crystalline polypropylene-based resin in more detail may be a n-heptane used in usual extrusion molding or the like. Insoluble in the same row (isotacti c) a polypropylene homopolymer, or a copolymer of polypropylene containing 60% by weight or more of propylene and other α-olefins, and capable of copolymerizing the propylene homopolymer or propylene with other α-olefins It is used alone or in combination. 201231609 Here, the n-heptane-insoluble property is an indicator of the crystallinity of polypropylene and shows safety at the same time. The present invention is suitable for use in Japan in February of the Showa 57 (1982). The n-heptane insoluble of the No. 2 nickname of the Ministry of Health and Welfare is the best in the case where the elution portion at 25 ° C and 60 minutes of extraction is i5 〇 ppm or less [the use temperature is greater than 1 〇〇. The 系 is 30 ppm or less] In the olefin copolymerization component of the copolymer of propylene and another α-olefin, an α-olefin having a carbon number of 2 to 8, for example, ethylene or butylene, pentene, 1-hexene, 4_mercapto] pentene or the like is preferably the above-mentioned oxime, and the copolymer is obtained by polymerizing propylene with two or more kinds of the above-exemplified α-olefins. Block copolymers are preferred. For the above reasons, the polypropylene used The melting speed (mfr) of the resin at 23 〇r, g is preferably in the range of 〜0 to 15 g/1 〇min, and more preferably in the range of 2.0 to 〇.0 g/1 〇 min. Two or more kinds of copolymers of propylene and another α-olefin can be used in combination. Moreover, the waste film produced when the film obtained in the present invention is processed can be regranulated and added as a raw material to be recovered. In the base material layer, the production cost can be suppressed by using the raw material. / The adhesive layer in the adhesive film of the present invention is preferably more than 9 〇'° or more to the base layer. If the adhesive layer is ductile The low 'requires cost when replacing the resin; the time is good and the operability is deteriorated. In addition, when the adhesive layer is laminated with a number of μηι, there is a problem that the thickness is uneven in the width direction of the ruthenium film. . The certificate of sticking axe is better than 9〇%, and 93〇/〇

S -14- 201231609 The above is better, with 95% or more being the best. In the adhesive film of the present invention, the adhesion layer of the adhesive layer to the substrate layer is preferably 3% or less, and the adhesive layer is ''iS ^ ^.) When the morning I rate is normal, the film end portion is only the adhesive layer. 'There will be problems such as adhesion to the t-film machine, resulting in poor workability. Adhesive layer on the substrate room 夕 耵丞 耵丞 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层 层The thickness of the adhesive layer of the adhesive film of the present invention is preferably one or less than 30. When the thickness of the adhesive film is less than (10), it is difficult to form a core milk gluten by coextrusion, and when it is 30 μm or more, it is a film which is disadvantageous in terms of cost. At this time, when the force of the 佶 吏 is increased, it is preferable to consider the viscosity to increase the thickness. By increasing the thickness of the adhesive layer, the contact area with the adherend tends to become large. The thickness of the spot layer is preferably 20 or less, more preferably 3 μηη or more and 15 μιη or less, and more preferably 8 or less. The thickness of the substrate of the adhesive film of the present invention is preferably 5 μm or more and more preferably 15 μm or more and less than 25 μm. When the thickness of the adhesive film is less than 5 μm, the toughness is weakened, and it is applied to the coated body as a protective film, and wrinkles are likely to occur and the adhesive force is not sufficiently obtained. When it is more than the above, it is a film which is disadvantageous in terms of cost. . (Release layer) The adhesive film of the present invention preferably has a release layer formed on a surface opposite to the adhesion layer formed on one surface of the base material layer. By doing so, it is possible to progress to suppress the adhesion. In view of the resin composition of the adhesive layer of the present invention, the average surface roughness SRa of the surface of the release layer is preferably 〇 4 〇 μηη or more. It is preferable that the surface having an average surface roughness SRa of 0 850 μm or less is preferably 〇.5 〇〇μηη or more 〇 7 〇〇 μηη or less. Release layer

The thickness of S -15- 201231609 is preferably Ιμηη or more and less than 3 〇 pm, and is preferably 3 to 1 〇 μιη. In order to form the surface unevenness as described above, a layer having a rough matte appearance and a rough surface can be formed by using a propylene/ethylene block copolymer. Further, the same effect can be expected by mixing a polyethylene resin in the homopolypropylene. Further, a layer having a rougher surface can be formed by mixing a polyethylene-based resin in the propylene-ethylene block copolymer. Specifically, a propylene-ethylene block copolymer such as "BC4FC" manufactured by POLYPRO Co., Ltd. can be exemplified as the resin which is suitable for obtaining a surface having a rough matte shape. In operation, the adhesive film of the present invention is suitably in the form of a roll. The width of the film roll and the upper limit of the winding length are not particularly limited, and based on the ease of handling, the width is usually 1.5 m or less, and when the film thickness is 30 μm, the winding length is preferably 6 〇〇〇 111 or less. . Further, it is generally possible to use a core and a core of 3 inches, 6 inches, and 8 inches as a winding core. In addition, it is a film roll that is rolled up to a size of 45 or more in width and above, and is suitable for use in protecting the edge of the ruthenium used for optical applications. The adhesive film of the adhesive of the present invention is used. In order to protect the synthetic resin sheet (for example, non-mine steel plate 7 for building materials such as building materials), pure, decorative plywood, steel plate I glass plate, home appliances, precision machinery, and automobile body surface when manufacturing Contamination, storage, transportation, and manufacturing steps to avoid injury when handling; and in secondary processing (such as bending processing =

-16- S 201231609 Processing) When the article is protected from injury, it can be used as appropriate. [Examples] Hereinafter, the present invention will be further described by way of examples. However, the present invention is not limited by the following examples without departing from the gist of the invention. Further, the evaluation methods of the physical properties of the following examples and comparative examples are as follows. (1) Evaluation of the ductility of the adhesive layer on the base layer In a 3-layer T-die (feed block type, lip width 85〇nim, lip gap 1 mm), a 4 mm mm φ single-axis extruder was used. The adhesive layer resin was discharged at a rate of 15 kg/hour; the substrate layer resin was discharged at a rate of 15 kg/hour using a 9 mmmm φ single-axis extruder; and the release layer was formed using a 6 mm mm φ single-axis extruder The resin was co-extruded at a discharge amount of 5 kg/hour. An unstretched film having a width of 650 mm was obtained by drawing the extruded film at a speed of 20 m/min to a casting drum of a temperature of 3 〇〇c. The adhesive layer resin was placed in a 40 mm φ single-axis extruder, and the elongation of the adhesive layer to the substrate layer after 30 minutes from the replacement of the resin was measured. Extensibility = stack width of the adhesive layer (mrn) / 6 5 0 (mm) x 1 〇〇 (%) (2) Evaluation of the wrapability of the adhesive layer on the substrate side in the 3 wide T-die (feed block) Type, lip width 85 〇ιηιη, lip gap lmm), using a 40mm φ single-axis extruder to discharge the adhesive layer resin at 15kg / hr; using a 90mm φ single-axis extruder to base material layer resin 15kg The amount of discharge per hour; and the uniaxial extrusion using 65 ηηιηφ ^ The release layer resin was co-extruded at a discharge amount of 5 kg / hour. The dream was to draw the extruded film at a speed of 20 m/min to a casting roll at a temperature of 3 〇 (5 c to obtain an unstretched film of 650 mm width. The adhesive layer was placed in a 40 mm φ single-axis extruder] The wrap ratio of the adhesive layer to the both ends of the substrate layer in the film width direction after the lapse of 20 minutes from the resin. The wrap ratio = the width of the adhesive layer wrapped at both ends in the film width direction (mm) / 650 (mm) xl00 (%) (3) Evaluation of adhesion According to JIS-Z-023 7 (200 0) Adhesive tape and adhesive sheet test method, and measured by the following method. Preparation of acrylic sheet (Mitsubishi) Rayon (stock): Acrylight (registered trademark) 3mm thick) 5〇mmx 1 50mm, two kinds of complex lenses in different surface treatment conditions (the lens part is composed of triangular prisms, the height of the triangular column is 25μηι, and the width of the prism column is 5 〇μηι) 50mmxl50mm as the adherend 'cut the test piece along the winding direction of the film at a winding direction of 15 mm, 25 mm in the direction orthogonal thereto as a test piece, and use a rubber roll having a mass of 2000 g (roller surface) The spring hardness is 80Hs and the thickness is 6mm. The rubber layer is covered with a width of 45 mm 'the diameter (including the rubber layer) is 95 niln), and the adhesive is pressed back to the test piece at a speed of 5 mm / sec. After pressing, the temperature is 2 3 C. The "autograph (registered trademark)" (AGS-J) manufactured by Shimadzu Corporation (shares) is used at a speed of 300 mm/min. The resistance value is used as the adhesive force [cN/25cm]. The so-called 18-degree peeling means that the peeling angle of the acrylic sheet and the film is maintained at 18 degrees in the measurement of the resistance value at the time of peeling. A polyester sheet having a size of 190 μm and a size of 25 mm×17 〇mm is used as a gripping portion for measuring a sample at the time of measurement, and a sticky film is used on the end portion of the adhesive film of the measurement sample obtained by adhering the adhesive film and the acrylic sheet.

-18- S 201231609 The winner is a 15mm-width Cellophane Tape (registered trademark) and is used as a gripping unit for measurement. The pattern diagram of the measurement sample is shown in the figure. The measurement was carried out three times for one sample, and the value of the 妁 妁 ^ ^ τ was determined as the adhesion of the sample. (4) Evaluation of the adhesion property The peeling force of the release layer and the adhesive layer of the adhesive film was measured as the adhesion resistance. Apply double-sided adhesive tape (made by Nitto Denko Co., Ltd.: No. 535 A) on the entire surface of an acrylic plate (Mitsubishi Ray on: Acry light 3mm thick) 5 Omm χ 150 mm] On the other side of the tape, a test piece of 1 50 mm (winding direction at the time of film production) x 50 mm (direction orthogonal to the winding direction at the time of film production) was adhered to the test piece. A test piece taken along the winding direction of the film at a height of 15 mm and 25 mm in the direction of its parent is cut as a new test piece, and the adhesive face and the double-coated adhesive tape are attached to the acrylic plate. After the release faces of the test pieces were overlapped, a rubber roller having a mass of 2000 g was used (the spring type hardness of the roll surface was 80 hs, and the width of the rubber layer covered by the thickness of 6 mm was 45111 〇1, and the direct control (including the rubber layer) ) is 95mm). The mold release surface is pressed against the test piece at a speed of 5 mm/sec. After pressure bonding, it will be at a temperature of 2 3 . AU 匸 匸 AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU AU Force [cN/25mm]. A polyester sheet having a thickness of 190 μm and a size of 25 mm×1 70 mm was prepared as a grip portion for the measurement sample at the time of measurement, and a Cellophane Tape having a width of 15111111 was used at the end portion of the test piece -19-^201231609 of 15 mm mm×25 mm. Registered trademark) is used as a gripping part for measurement. The measurement was carried out three times for one sample, and the average value thereof was taken as the peeling force of the sample. (5) Measurement of the average surface roughness The contact type three-dimensional center surface roughness meter (type ET·30HK) manufactured by Otaru Research Institute Co., Ltd. was used to measure the release layer by the stylus method and using the following conditions. The average roughness of the center of the surface. The conditions are as follows and the average value of the three measurements is taken as the value. Tip tip radius: 〇.5μιη Contact pin pressure: 20mg Cutoff value: 80μπι Determination length: ΙΟΟΟμιη Measurement speed: ΙΟΟμιη / sec Measurement interval: 2μηι (6) Operate the resulting film into a roll, which will be taken from the reel The film with less resistance when the film was rolled out was evaluated as 〇, and the larger one was X. [Example 1] (Production of base material layer) A polypropylene resin (manufactured by Sumitomo Chemical Co., Ltd.: FS201 1DG3, MFR: 2.5 g/10 mi η) 100 wt% was melt-extruded using a 90 mm φ uniaxial extruder. Substrate layer. (Manufacturing of Adhesive Layer) Using a 40 mm φ single-axis extruder, styrene copolymerization ratio with respect to 100 parts by weight of a styrene-based elastomer (manufactured by Asahi Kasei Chemicals: TAFTEC (registered company s-20-201231609) 111221, styrene copolymerization ratio 12"%, 1^11: 4.58/1〇11111〇' mixed 8 · 8 parts by weight of polypropylene resin (manufactured by Sumitomo Chemical Co., Ltd.: FS201 1DG3, MFR: 2.5g/10min) and 8.8 parts by weight of petroleum resin (Arakawa Chemical industry: Arkon (registered trademark) P125) The melt is extruded as an adhesive layer. (Manufacturing of release layer) 100 wt% of propylene-ethylene block copolymer (Japan) using a 65 mm φ single-axis extruder Polypropylene: BC4FC) melt-extruded to form a release layer. (Production of a film) The base layer, the adhesive layer, and the release layer were directly melted in each extruder using a three-layer T at 250 °C. The mold was extruded in a mold (feed block type, lip width 850 mm, lip gap imm). The extruded film was drawn at a speed of 20 m/min to a temperature of 3 Torr. The casting drum was cooled and solidified. The thickness of the substrate layer is l8jim, the thickness of the adhesive layer is 6μιη, and the release layer Three types of three-layer unstretched film of 6 μm is used. [Example 2] The adhesive layer and the release layer were maintained in the same manner as in Example 1, and the substrate layer was changed to the following and the same method as in Example 1 was used. Three kinds of three-layer unstretched films were obtained. (Manufacturing of a base material layer) A homopolymer polypropylene resin of i〇〇wt〇/〇 was produced using a 90 mm φ single-axis extruder (manufactured by Sumitomo Chemical Co., Ltd.: FLX80E4 (MFR: 7.5 g/10 min) melt-extruded to form a base material layer. [Example 3]

-21-S 201231609 Base material layer The release layer was maintained in the same manner as in Example 1, and three kinds of three-layer unstretched films were obtained by the same method as in Example 1 except that the adhesive layer was changed. (Manufacturing of Adhesive Layer) A styrene-based elastomer (manufactured by Asahi Kasei Chemicals: TAFTEC H1221, stupid ethylene copolymerization ratio of 12 wt%, MFR: 4.5 g/) was used in a 40 mm φ single-axis extruder. 10 min), melted by mixing 3.2 parts by weight of petroleum resin (manufactured by Arakawa Chemical Industry Co., Ltd.: Arkon P 1 25) and 3.2 parts by weight of polypropylene resin (manufactured by Sumitomo Chemical Co., Ltd.: FS201 1DG3, MFR: 2.5 g/10 min) Out as an adhesive layer. [Example 4] The base material layer and the release layer were maintained in the same manner as in Example 1. The adhesive layer was changed to the following, and three kinds of three-layer unstretched films were obtained by the same method as in Example 1. (Manufacturing of Adhesive Layer) Using a 40 mm φ single-axis extruder, 10 parts by weight of styrene-baked elastomer (Asahi Kasei Chemicals: TAFTEC H1221, this ethylene copolymerization ratio of 12 wt%, M FR) · 4_5g/l〇min), mixed with 8.8 parts by weight of petroleum resin (Arkon P125 manufactured by Arakawa Chemical Industry Co., Ltd.) and 8.8 parts by weight of polypropylene resin (manufactured by Sumitomo Chemical Co., Ltd.: WF83 6DG3, MFR: 7.0 g/10 min) The smelt is extruded and used as an adhesive layer. [Example 5] The release layer was maintained in the same manner as in Example 1. The base layer and the pressure-sensitive adhesive layer were changed to the following contents, and three kinds of three-layer unstretched films were obtained by the same method as in Example 1.

-22-S 201231609 (Manufacture of Adhesive Layer) A styrene-based elastomer (available from Asahi Kasei Chemicals: TAFTEC H1221, styrene copolymerization ratio: 12% by weight) using a 40 mm φ single-axis extruder MFR: 4.5 g/l〇min), 5.7 parts by weight of petroleum resin (Arkon P125 manufactured by Arakawa Chemical Industry Co., Ltd.) and 8.0 parts by weight of polypropylene resin (made by Sumitomo Chemical Co., Ltd.: FS20 1 1 DG3, MFR: 2.5 g) /10 min) The original is melt extruded and used as an adhesive layer. (Production of base material layer) A homopolymer polypropylene resin (manufactured by Sumitomo Chemical Co., Ltd.: FLX80E4 (MFR: 7.5 g/10 min) was melt-extruded to a base using a 90 mm φ single-axis extruder. [Comparative Example 1] The base material layer and the release layer were maintained in the same manner as in Example 1, and the adhesive layer was changed to the following contents, and three kinds of three-layer unstretched films were obtained by the same method as in Example 丨. (Manufacture of Adhesive Layer) Using a 40 mm φ single-axis extruder, 100 parts by weight of a styrene-based elastomer (manufactured by Asahi Kasei Chemicals: TAFTEC H1221, a copolymerization ratio of 12 wt%, MFR: 4.5 g/1) Omin), a mixture of 1 7.6 parts by weight of petroleum resin (Arkon P125 manufactured by Arakawa Chemical Industries Co., Ltd.) was used as an adhesive layer. [Comparative Example 2] Base material layer and release layer system were maintained and examples丨Similarly, the adhesive layer was changed to the following, and three kinds of three-layer unstretched films were obtained by the same method as in Example 1. 3-23-.201231609 (Manufacture of adhesive layer) Using a 40 mm φ single-axis extruder A styrene-based elastomer (manufactured by Asahi Kasei Chemicals) in an amount of 1 part by weight TAFTEC H1221, styrene copolymerization ratio 12wt%, MFR: 4.5g/1〇min), 21 4 parts by weight of petroleum resin (Ark〇nP125 manufactured by Arakawa Chemical Industry Co., Ltd.) and 21 4 parts by weight of polypropylene resin (manufactured by Sumitomo Chemical Co., Ltd.: FS2〇1 1DG3, mfr··2.5 g/10 min) The resultant was melt-extruded to form an adhesive layer. [Comparative Example 3] The base material layer and the release layer were maintained in the same manner as in Example 1, and The adhesive layer was changed to the following, and three kinds of three-layer unstretched films were obtained by the same method as in Example ( (manufacture of adhesive layer) Using a 40 mm φ single-axis extruder for 1 part by weight A styrene-based elastomer (manufactured by Asahi Kasei Chemicals: TAFTEC H1221, stupid ethylene copolymerization ratio: 12 wt%, MFR: 4.5 g/10 min), mixed with 17.6 replacement parts of polypropylene resin (manufactured by Sumitomo Chemical Co., Ltd.: FS2〇) llDG3, MFR .2.5 g/10 min) was melt-extruded as an adhesive layer. [Comparative Example 4] The release layer was maintained in the same manner as in Example 1, and the adhesive layer and the substrate layer were changed to the following contents. Three kinds of three-layer unstretched films were obtained by the same method as in Example 1. (Mold in the production of the layer) Single screw extruder with a 40mm φ 1〇〇 parts by weight with respect to the broom styrene-based elastomer (Asahi Kasei Chemicals Ltd.: TAFTEC H1221, stupid ethylene copolymerization ratio 12wt%, MFR: 4.5g / 10min), mix 17.6

S -24- 201231609 Part by weight of petroleum resin (manufactured by Arakawa Chemical Industry Co., Ltd.: Arkon P 125). It is melt-extruded and used as an adhesive layer. (Production of base material layer) 100 to 〇/〇 of the homopolymer polypropylene resin (manufactured by Sumitomo Chemical Co., Ltd.: FLX80E4 (MFR: 7.5 g/10 min) was melt-extruded to form a substrate layer using a 90 mm φ single-axis extruder. [Comparative Example 5] The base material layer and the release layer were maintained in the same manner as in Example 1. The adhesive layer was changed to the following contents, and three kinds of three-layer unstretched films were obtained by the same method as in Example 。. Production of Adhesive Layer) Using a 40 mm φ single-axis extruder, 100 parts by weight of a stupid vinyl elastomer (TAATEC Kasei Chemicals: TAFTEC H1221, styrene copolymerization ratio: 12 wt%, MFR: 4.5 g/10 min) was used. 6.4 parts by weight of petroleum resin (Arkon P125, manufactured by Arakawa Chemical Industry Co., Ltd.) was mixed and melt-extruded to form an adhesive layer. [Comparative Example 6] The base material layer and the release layer were maintained in the same manner as in Example 1, and the adhesive layer was adhered. Three types of three-layer unstretched films were obtained by the same method as in Example 1 by changing the following contents. (Production of the dot layer) Using a 40 mm φ single-axis extruder to measure benzene relative to 1 part by weight Ethylene elastomer (made by Asahi Kasei Chemicals: TAFTEC H1221) Polymerization than 12wt% 'MFR: 4.5g / 10min), mix 6.3 parts by weight of a petroleum resin (Arakawa Chemical Industries, Ltd.: Arkon P 125) and 18.8

-25- S 201231609

A part by weight of a polypropylene resin (manufactured by Sumitomo Chemical Co., Ltd.: FS2011DG3, MFR, 2.5 g/l〇min;) was melt-extruded to form an adhesive layer. [Comparative Example 7] The soil layer release layer was maintained in the same manner as in Example 1. The adhesive layer was changed to the following inner valley, and three types of three-layer unstretched films were obtained by the same method as in Example 。. (Manufacture of Adhesive Layer) A styrene-based elastomer (manufactured by Asahi Kasei Chemicals: TAFTEC H1221, styrene copolymerization ratio: 12 wt%, MFR: 4.5 g) was used in a 40 mm φ single-axis extruder. /l〇min), a mixture of 18.8 parts by weight of petroleum resin (Ark〇n pi25 manufactured by Arakawa Chemical Industry Co., Ltd.) & 6 3 Polypropylene resin (made by Sumitomo Chemical Co., Ltd.: WF836dG3, MFR.7.0g/10min) The original is melt extruded and used as an adhesive layer. [Comparative Example 8] The base material layer and the release layer were maintained in the same manner as in Example 1. The adhesive layer was changed to the following, and three kinds of three-layer unstretched films were obtained by the same method as in Example 1. (Equivalent to the manufacture of the layer) Using a 40 mm φ single-axis extruder, 1 part by weight of the styrene-based elastomer (manufactured by Asahi Kasei Chemicals: TAFTEC H1062, stupid ethylene copolymerization ratio 18 wt% 'MFR: 4,5 g/10 min), 8.8 parts by weight of petroleum resin (Arkon P 125 manufactured by Arakawa Chemical Industry Co., Ltd.) and 8.8 parts by weight of polypropylene resin (manufactured by Sumitomo Chemical Co., Ltd.: Fs20 11DG3, MFR: 2.5 g/10 min) The melt is extruded and used as an adhesive layer. The above results are shown in Tables 1, 2 and 3. 201231609

[I FS2011 DG3 oo 卜 FLX80E4 ο tH BC4FC ο ν〇oo ν〇oo 〇 \ § inch 0.577 〇Arkon P125 卜 in TAFTEC H1221 〇ti oo oo inch WF836 DG3 OO oo in FS2011DG3 Ο ο BC4FC ο 1—Η Ο oo Ο In os lt kon 88 88 88 88 88 N inch o 0.581 〇Arkon P125 <N cn ro TAFTEC H1221 o rH CN Army Arkon|FS2011 P125 1 DG3 OO OO 00 oo <〇FLX80E4 Ο BC4FC Ο ί-Η Ό 00 ν〇00 OS v〇730 r- o 0.592 〇TAFTEC H1221 o ό oo —_Η s •VC? FS2011 DG3 oo oo FS2011DG3 Ο ο BC4FC Ο 00 ν〇G\ oo 720 On 卜 s 0.588 〇Arkon P125 00 oo TAFTEC H1221 o oo 1 parts by weight % by weight % 1 Weight % ι μΐΏ ε ε cN/25mm cN/25mm cN/25mm cN/25nun 1 Raw material name blending ratio Raw material name I Formulation amount 1 Raw material name ι Formulation amount 1 Adhesive layer ι 1 Substrate layer I Release layer 1 Adhesive Layer ι 1 adhesive layer il acrylic plate II prism sheet 11 | 稜鏡 2 2| Release layer release layer operative adhesive layer base layer release layer structure l elongation rate ι 1 wrapping ratio ι adhesion|peeling force 1 average surface roughness extreme SRa _ Ll, s 201231609 [(N<] Comparative Example 4 FX4E Ο BC 00 〇Ο (N 0.574 〇FS2011 DG3 17.6 TAFTEC H1221 Ο Η wo 00 Comparative Example 2 FS2011 DG3 21.4 FS2011DG3 ο ψ · Η BC4FC Ο <〇οο ν〇σ\ 00 CO in m 〇ο in 0.594 X : Arkon ;P125 21.4 νοΤ"·^ TAFTEC H1221 ο ο Comparative Example 1 FS2011DG3 ο BC4FC ο οο ΙΓ) οο rn 卜 0.563 〇Arkon :P125 17.6 TAFTEC HI 221 Ο οο 1 Parts by weight % ι % by weight 1% by weight ι μυΐ ε ε cN/ 25mm cN/25mm cN/25mm cN/25mm 1 Raw material name blending ratio Raw material name blending amount Raw material name blending amount Adhesive layer base layer Release layer 1 Adhesive layer Adhesive laminated Kelly plate sheet 1 Prism sheet 2 Stripping Release layer operative adhesive layer base layer release layer structure 1 elongation rate ι wrapping ratio adhesion peeling force average surface roughness saccharide SRa - OOCN · c 201231609 Comparative Example 8 FS2011 ! DG3 00 〇6 FS2011DG3 Ο BC4FC Ο ^ Η 00 00 VO «η a\ σ\ 420 ο ο 0.583 X Arkon P125 oo od TAFTEC H1221 〇1 < 00 Comparative Example 7 FS2011 DG3 CO FS2011DG3 BC BC4FC Ο oo oo VO v〇oo ΓΛ ir> CO ro ίΝ σ\ Η rH 0.577 〇Arkon P125 18.8 TAFTEC HI 221 o 1—H g Comparative Example 6 FS2011 DG3 18.8 in i FS2011DG3 Ο BC4FC ο v〇oo v〇On CO m Ο ο 寸 0.581 X Arkon ! 1 P125 I uo TAFTEC H1221 〇g Comparative Example 5 FS2011DG3 ο » < BC4FC ο rH Ό oo V£> oi 700 inch 0.591 〇Arkon P125 inch TAFTEC 1 H1221 o / parts by weight % by weight % by weight aana zL |cN/25mm cN/25mm cN/25mm cN/25mm 1 compounding quantity ratio raw material name compounding quantity raw material name matching amount adhesive layer base layer release layer adhesive layer adhesion laminated kelly sheet 1 piece 2 release layer release layer operative adhesive layer substrate Layer release layer structure elongation rate 1 wrap ratio adhesive force peeling force average surface rough seam degree SRa -6 Ζ·s 201231609 It can be clearly seen from Table 1 that the films obtained in Examples i to 5 are film-forming films. It has good ductility and has a practically sufficient adhesive force when used as a protective film, and also has good handleability when the film is formed into a roll. On the other hand, in the films obtained in Comparative Examples 1, 4 and 7, the ductility at the time of film formation was insufficient, and the adhesive was wrapped, which was not necessarily a result of good film formability. Further, it is not necessarily a good result as to make the film into a roll. The films obtained in Comparative Examples 2, 3, 6 and 8 did not have the practically necessary adhesive force on the crepe of the covering. The film obtained in Comparative Example 5 was not necessarily a good result with respect to the workability when the film was formed into a roll. Thus, any of the film systems obtained in the comparative examples was inferior in quality and low in practicality. [Industrial Applicability] _ The adhesive of the present invention is particularly suitable for use in an adhesive film for protecting the outer surface of a prismatic lens portion of a ruthenium used for light and use, in order to protect a synthetic resin sheet. (eg construction. : steel plates (for example for building materials), nameplates, decorative plywoods =, ; . 2: electrical products, precision machinery and the appearance of the car body during manufacture; avoidance; preservation, transport and manufacturing steps In order to protect the article from "in case of literary injury and secondary processing", it is important to protect the goods from injury, the heat* and the pressure plus ^. [Simplified description of the drawing] Fig. 1 is a schematic diagram of the measurement sample. [Description of main component symbols] jfe 〇<%«,

S -30-

Claims (1)

201231609 VII. Patent Application Range: 1 An adhesive resin composition characterized by comprising: an adhesive-imparting resin containing 2 parts by weight or more and less than 1 part by weight, based on 100 parts by weight of the styrene-based elastomer, 2 parts by weight a resin composition of less than 10 parts by weight of a polyolefin-based resin; the styrene-based elastomeric system has a styrene component of 5 to 5% by weight, and the ethylenic polymer enemy group and the dilute hydrocarbon polymer The block copolymer of the block, the styrene polymer block, and the block copolymer of the random copolymer block of styrene and olefin, and/or the hydride are the main components. 2. An adhesive film comprising: an adhesive resin composition according to claim 1 of the patent application, laminated on one surface of a base material layer containing a polypropylene resin as a main component. 3. The adhesive film of claim 2, wherein the base material layer containing the polypropylene resin as a main component is laminated on the surface opposite to the adhesive layer containing the adhesive resin composition, and the release layer is laminated. to make. (4) The adhesive film of claim 3, which is obtained by coextruding a base material layer containing a polypropylene resin as a main component, an adhesive layer containing an adhesive resin composition, and a release layer. 5. The adhesive film according to any one of claims 2 to 4, wherein the stray ethylene-based elastomer in the adhesive layer has a melt flow rate (MFR) of 23 (TC, 2.1 6 kgf). The adhesive film according to any one of claims 2 to 5, wherein the polypropylene resin in the substrate layer has a melt flow rate of 2.16 kgf at 230 ° C (melt) The flow rate; MFR) is io ~ i5g / 10 minutes. E -31 - 201231609 7 - The adhesive film according to any one of claims 2 to 6, which is coated with a prism sheet. Adhesive film according to any one of items 2 to 7, which is self-adhesive. -32-