33results about How to "Excellent anti-stripping static performance" patented technology

The present invention provides a release film for an adhesive film capable of reducing the contamination of a substrate and, more specifically, to a release film for an adhesive film capable of having excellent exfoliation antistatic performance. The release film (5) for an adhesive film capable of protecting and delaminating an adhesive layer (2) of an adhesive film in which the adhesive layer (2) is laminated on at least one side of a base film (1) is formed by laminating a release agent layer (4) on at least one side of a resin film (3) and is attached on the surface of the adhesive layer (2) by interposing the release agent layer (4). The release agent layer includes a release agent containing dimethyl polysiloxane as a main component and a silicon-based compound which is liquid at 20°C.

The invention provides an antistatic surface protection film that has little contamination of an adherend and that has superior peeling antistatic performance which does not deteriorate over time. Theantistatic surface protection film is made by, in order: a step of forming, on one surface of a base film (1) including a transparent resin, an adhesive layer (2) including an adhesive composition, which includes an acrylic-based polymer of a copolymer, and which further contains (D) a bifunctional or higher isocyanate compound, (E) a cross-linking promoting agent, (F) a keto-enol tautomer compound; a step of attaching a peeling film (5), which has a release agent layer (4) containing an antistatic agent laminated on one surface of a resin film (3), on a surface of the adhesive layer (2) viathe release agent layer (4), wherein the release agent layer (4) is formed by a resin composition including: a release agent having dimethylpolysiloxane as the main component; a polysiloxane compoundthat is a liquid at 20 DEG C; and an antistatic agent, wherein the peeling charge pressure of the adhesive layer (2) is + / -0.6 kV or less.

The present invention provides an excellent adhesive performance such as a bonding performance that can be balanced at low -speed peeling speed and high -speed peeling speed. At the same timeThe adhesive film and surface protective film of the adhesive composition.In the composition of the adhesive, (F) the antistatic agent is a general K + · A ‑ The melting point shown is a ionic compound of 25-80 ° C. Among them, K + In order to choose a group composed of groups of free pyridine, pyrimazole, pyrodis, pyrine, pyrodermine, ammonium, ammonia, albumin, pyrine, pyrazole, nail carbon positive ion, morpholine ion, and morpholine ionOne of the cations, A ‑ In order to choose a group of anion in a group composed of a group composed of ionic ions composed of a toto fluorine, sulfons, and pentraromythane sulfonate, compared to the 1001 to 10 weights compared to the 1001 to 10 portion compared to 100 weights of acrylic polymersThe proportion contains ionic compounds.

The present invention provides an antistatic surface protection film which has excellent anti-peeling static performance, which causes little contamination to an adherend, does not deteriorate over time, and has excellent anti-peeling static properties. An adhesive layer (2) formed of an adhesive composition is formed on one side of the base film (1), and a release film (5) with a release agent layer (4) laminated on the surface is bonded, and the release agent layer (4) ) is transferred to the surface of the adhesive layer (2), and the adhesive composition contains an acrylic polymer, and further contains: (C) an isocyanate compound with a functionality of more than two, (D) a crosslinking accelerator , and (E) keto-enol tautomeric compounds, the acrylic polymer is 1 to 30 parts by weight of (a1), 70 to 99 parts by weight of (a2), and 0.1 to 12 parts by weight (B) is an acrylic polymer of a copolymer obtained by copolymerization, wherein (a1) is a (meth)acrylate monomer having C1-C4 carbon atoms in the alkyl group, and (a2) is a carbon A (meth)acrylate monomer with an atomic number of C5-C18, (B) is a copolymerizable monomer containing a hydroxyl group.

PROBLEM TO BE SOLVED: To provide a surface protective film that gives little contamination to an adherend and shows no change in low contamination property to an adherend with lapse of time, and that has excellent peeling antistatic performance without degradation with time, and to provide an optical component using the surface protective film.SOLUTION: A surface protective film 10 includes an adhesive layer 2 formed on one surface of a base film 1 comprising a resin having transparency, and a release film 5 having a release agent layer 4 laminated on the adhesive layer 2. The release film 5 includes the release agent layer 4 formed of a resin composition containing a release agent essentially comprising dimethyl polysiloxane, a silicone compound that is liquid at 20°C, and an ionic compound having a melting point of 30 to 80°C, on one surface of a resin film 3. The adhesive layer 2 is an acrylic adhesive layer.

The invention provides a method for producing an antistatic surface protection film, and the antistatic surface protection film which produces less pollution on a bonded body, does not degrade gradually, and has an excellent anti-peeling static performance. The method produces the antistatic surface protection film (10) through the steps of forming a bonding agent layer (2) on a single surface of a substrate film (1) made of transparent resin, laminating a peeling agent layer (4) containing an antistatic agent on a single surface of a resin film (3) to form a peeling film (5), and bonding the peeling agent layer (4) onto the surface of the bonding agent layer (2), wherein the peeling agent layer (4) is composed of a peeling agent taking dimethyl polysiloxane as a main component, a polyorganosiloxane compound being liquid under 20 DEG C, and a resin composition of the antistatic agent.

PROBLEM TO BE SOLVED: To provide a surface protective film that can be used for an optical film having a rough surface, causes little contamination on an adherend, shows no change in low contamination property for an adherend over time, and has excellent peeling antistatic performance without ageing degradation, and to provide an optical component using the surface protective film.SOLUTION: A surface protective film 10 comprises a base film 1 made of a transparent resin, an adhesive layer 2 formed on one surface of the base film, and a release film 5 having a release agent layer 4 laminated on the adhesive layer 2. The release film 5 includes the release agent layer 4 comprising a release agent essentially comprising dimethylpolysiloxane, and an antistatic that does not react with the release agent, deposited on one surface of a resin film 3. The antistatic component is transferred from the release film 5 to a surface of the adhesive layer 2, which decreases a peeling charge voltage when the adhesive layer 2 is peeled from an adherend.

The present invention provides a surface that can be used even for optical films having irregularities on the surface, has less contamination to adherends, does not change over time in low contamination of adherends, and has excellent anti-peeling electrostatic properties that do not deteriorate over time Protective films and optical parts using them. A surface protection film (10), which is formed by bonding a release film (5) with a release agent layer (4) on the adhesive layer (2), and the release film (5) is formed on one side of the resin film (3) The release agent layer (4) is laminated on top, and the release agent layer (4) contains a release agent mainly composed of polydimethylsiloxane, an antistatic agent that does not react with the release agent, and contains at least one ether bond. The ester plasticizer, the antistatic agent component is an ionic compound with a melting point of less than 30°C, the antistatic agent component and the ester plasticizer are transferred from the release agent layer (4) of the release film (5) to the adhesive layer The surface of (2) reduces the peeling static voltage when peeling the adhesive layer (2) from the adherend.

The present invention provides an adhesive composition and a surface protection film capable of achieving both excellent antistatic performance and stain resistance. The adhesive composition contains an acrylic polymer, an antistatic agent and a cross-linking agent, the acrylic polymer has a glass transition temperature below 0°C, the cross-linking agent is an isocyanate compound with more than three functions, and the The antistatic agent is an ionic compound formed by a cation and an anion with a melting point above 25°C, and the anion is selected from trifluoromethanesulfonate anion, pentafluoroethanesulfonate anion, heptafluoropropanesulfonate anion, nonafluorobutanesulfonate One of the group consisting of acid anions contains the antistatic agent as an essential component in a ratio of 0.01 to 10 parts by weight relative to 100 parts by weight of the acrylic polymer.

The present invention provides a surface protection film that can be used for an optical film having irregularities on the surface, has little contamination to an adherend, and has no time-dependent change in the low-contamination property of the adherend, and has no time-dependent deterioration A surface protection film with excellent anti-stripping static properties, and an optical component using the surface protection film. In this surface protection film, an adhesive layer (2) is formed on one side of a base film (1) made of a transparent resin, and a release agent layer (4) is bonded on the adhesive layer (2). ), wherein the release film (5) is formed by laminating a release agent layer (4) on one side of the resin film (3), and the release agent layer (4) contains a resin containing a long-chain alkyl group The release agent as the main component and the antistatic agent that does not react with the release agent, the antistatic agent component is transferred from the release film (5) to the surface of the adhesive layer (2), reducing the amount of adhesive layer (2) The peeling static voltage when peeling off from the adherend.

PROBLEM TO BE SOLVED: To provide a surface protective film that can be used even for an optical film having a rugged surface, gives little contamination to an adherend and shows no change in low contamination property to an adherend with lapse of time, and that has excellent peeling antistatic performance without degradation with time, and to provide an optical component using the surface protective film.SOLUTION: A surface protective film 10 includes an adhesive layer 2 formed on one surface of a base film 1 comprising a resin having transparency, and a release film 5 having a release agent layer 4 laminated on the adhesive layer 2. The release film 5 includes the release agent layer 4 containing a release agent essentially comprising dimethyl polysiloxane and an antistatic agent that does not react with the release agent, layered on one surface of a resin film 3. As a component of the antistatic agent is transferred from the release film 5 to the surface of the adhesive layer 2, a peeling electrification voltage when the adhesive layer 2 is peeled from an adherend is reduced.

The present invention provides a release film for an adhesive film for forming an adhesive film with less contamination to an adherend, and further provides a release film for an adhesive film for forming an adhesive film having excellent anti-peeling static performance , and an adhesive film using the release film for an adhesive film. The release film (5) for an adhesive film of the present invention can protect the adhesive layer (2) of the adhesive film in which the adhesive layer (2) is laminated on at least one side of the base film (1), and can Peeling, wherein at least one side of the resin film (3) is laminated with a release agent layer (4), and the release agent layer (4) is attached to the surface of the adhesive layer (2). Layer (4) contains a release agent mainly composed of dimethylpolysiloxane and a silicon compound that is liquid at a temperature of 20°C.