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

The invention provides an antistatic surface protection film, the pollution to a pasted body is light, and the antistatic surface protection film is provided with excellent anti-stripping electrostatic properties without time dependent degradation. The antistatic surface protection film is formed in a way that a binder layer (2) composed of a binder composition is formed on one side of a base film (1) formed by a transparent resin, the binder composition comprises an acrylate-based polymer containing copolymers, (F) an isocyanate compound containing more than two functional groups, (G) a crosslinking accelerator and (H) a ketone-enol tautomer compound, a stripping agent layer (4) containing an antistatic agent is laminated on one side of a resin film (3) to form a stripping film (5), and the stripping film (5) is attached to the surface of the binder layer (2) through the stripping agent layer (4). The stripping agent layer (4) is formed by a resin composition, and the resin composition comprises a stripping agent taking dimethyl polysiloxane as the key component, a polysiloxane compound which is liquid under 20 DEG C and an antistatic agent, and the stripping electrostatic pressure of the binder layer (2) is lower than +/-0.6kV.

The present invention provides an antistatic surface-protective film having excellent peeling and electrostatic resistance properties without polluting an adherent and without being deteriorated over time. An adhesive layer (2) formed from an adhesive composition is formed on one surface of a base film (1), and a release film (5) on which a release agent layer (4) is laminated, wherein an antistatic agent of the release agent layer (4 ) is transferred onto the surface of the adhesive layer (2), and the adhesive composition contains acrylic polymer, and further comprises: (C) an isocyanate compound having two or more degrees of functionality, (D) a crosslinking accelerator and (E) a ketone-enol tautomer. The acrylic polymer is made from 1-30 by weight part of (a1), 70-99 by weight part of (a2), and 0.1-12 by weight part of (B) through copolymerization, wherein (a1) is a (methyl) acrylate monomer having alkyl group with a C1 to C4 carbon number, (a2) is a (methyl) acrylate monomer having alkyl group with a C5 to C18 carbon number, and (B) is a hydroxyl group-containing copolymerizable monomer.

The present invention provides an adhesive composition and a surface protective film. The excellent balance of adhesion is ensured at low-speed peeling speed and high-speed peeling speed. The film hasstain resistance and excellent antistatic property and excellent deterioration resistance without deterioration. The adhesive composition contains a (meth) acrylate monomer having (C) an alkyl grouphaving a C1 to C18 carbon number, (B) a hydroxyl group-containing copolymerizable monomer, and (C) a carboxyl group-containing copolymerizable group. An acrylic polymer obtained by copolymerization ofa monomer has an acid value of 0.1 to 1.0, and 100 parts by weight of (A) alkyl group having a C1-C18 (meth)acrylic group. The ester monomer contains acrylic acid ethyl hexyl acrylate in a ratio of 70 parts by weight or more. The crosslinking agent is (D) a trifunctional or higher isocyanate compound; and the antistatic agent is an anion having a fluorine atom number of F7 or more. An ionic compound has a melting point from 25 to 50 DEG C.

The invention provides release film for forming an adhesive film with low pollution on an article to be adhered, further provides a release film for forming adhesive film with an excellent release static prevention property, and the adhesive film using the release film. The release film (5) for the adhesive film can protect the binder layer (2) of the adhesive film with the binder layer (2) at least stacked on a single layer of the substrate film (1), and can be released, wherein the release film is formed by stacking a release agent layer (4) at least on a single surface layer of a resin film (3), and is adhered on the surface of the binder layer (2) by the release agent layer (4), and the release agent layer (4) contains a release agent using dimethyl polysiloxane as a main component, and a silicon compound which is a liquid under 20 DEG C.

The invention provides an antistatic surface-protective film which has balanced adhesive force at a low peeling speed and a high peeling speed and can achieve both antistatic property and anti-foulingproperty. As a solution, a release film (5) on which a release agent layer (4) containing an antistatic agent is laminated is bonded to the surface of an adhesive layer (2) formed by crosslinking anadhesive composition via the release agent layer (4), and the antistatic agent of the release agent layer (4) is transferred to the surface of the adhesive layer (2). The adhesive composition comprises: (A) an acrylic polymer which is obtained by polymerizing an acrylic polymer and a (meth)acrylic acid ester having at least two or more alkyl groups having C1-C10 carbon atoms in a total of 100 parts by weight of the acrylic polymer; 2-Ethylhexyl acrylate is contained in an amount of 50 parts by weight or more, and one or more monofunctional methacrylate monomers having a homopolymer Tg of 0 DEGC or more are contained in an amount of 5-40 parts by weight in total; (C) an isocyanate compound having a trifunctionality or higher; (D) a crosslinking retarder; (E) a crosslinking accelerator other than a stannide.

The present invention provides an adhesive composition and a surface protective film which can simultaneously achieve excellent antistatic properties and stain resistance. The adhesive composition contains an acrylic polymer, an antistatic agent, and a crosslinking agent; the acrylic polymer has a glass transition temperature of 0 deg c or lower, and the crosslinking agent is a trifunctional or higher isocyanate compound. The antistatic agent is an ionic compound having a melting point of 25 deg c or above and formed by a cation and an anion; the anion is selected from the group consisting ofa trifluoromethane sulfonate anion, a pentafluoroethane sulfonate anion, a heptafluoropropane sulfonate anion, and a nonafluoro butane sulfonate. The antistatic agent is contained as an essential component in an amount of 0.01 to 10 parts by weight based on 100 parts by weight of the acrylic polymer.

The present invention provides a surface-protective film and an optical component attached with the same. The surface-protective film has a good affinity (wettability) toward an optical film with irregular surface, makes little pollution to an adhered body, and has excellent antistatic properties during peeling without deterioration over time. The surface-protective film (10) is formed through attaching a stripping film (5) comprising a stripping layer (4) on an adhesive agent layer (2), the stripping film (5) is formed through laminating stripping agent layer (4) on a resin film, the stripping agent layer (4) contains a stripping agent containing polydimethylsiloxane as a main component, an antistatic agent which do not act with the stripping agent and an ester plasticizer containing more than one ether bonds, the components of the antistatic agent are anionic compounds with melting point of 30-80 DEG C, the components of the antistatic agent layer and the ester plasticizer transfer from the stripping layer (4) of the stripping film (5) to the surface of the adhesive agent layer, decreasing the peel voltage during peeling the adhesive agent layer from the adhered body.

The invention provides an adhesive composition, an adhesive film using the adhesive composition, and a surface protective film using the adhesive composition. The adhesive composition has excellent adhesive performance such as balanced adhesive force at a low peeling speed and a high peeling speed, and can achieve both antistatic performance and anti-fouling performance. In the adhesive composition, the antistatic agent (F) is an ionic compound having a melting point of 25-80 DEG C and represented by general formula (1) K<+>.A<->, wherein K<+> is a cation, A<-> is one anion selected from the group consisting of imido group-free, trifluoromethane sulfonate ions, pentafluoroethane sulfonate ions; the acrylic polymer is an acrylic polymer having a glass transition temperature of 0 DEG C or less, and the acrylic polymer contains an ionic compound as an essential component in an amount of 0.01-10 parts by weight per 100 parts by weight of the acrylic polymer.