37results about How to "Stable release force" patented technology

The invention discloses a matte release agent used for mold release material. The matte release agent is arranged between a release film and a mold release agent layer and comprises the following components in percentage by weight: 2%-6% of silica particles, 20%-30% acrylic polyol with average molecular weight of 500-2000, 35%-45% of polyoxyalkylene series polyol resin with molecular weight of 200-2500, 15%-20% of polyethyleneglycol, and 5%-10% of 1-hydroxy cyclohexyl phenyl ketone-photoinitiator 184; wherein the particle diameters of the silica particles have peak values in ranges of 0.1-0.2 um and 1.5-5 um respectively and the average particle diameter is 4 um or less, according to the particles distribution of the silica particles measured by a laser diffraction scattering method. According to the matte release agent provided by the invention, the binding force between a lamination layer of a release paper and the mold release agent is improved, the release force is stable, the anti-static performance of the film surface is improved, and the scratch resistance is simultaneously improved.

The invention discloses an anti-scuffing matt-surface antistatic release paper. The anti-scuffing matt-surface antistatic release paper comprises a release raw paper and a film layer. The other surface of the film layer is coated with a matt-surface antistatic layer having thickness of 0.2 to 2 micrometers. The other surface of the matt-surface antistatic layer is coated with a silicone oil layer. The surface of the matt-surface antistatic layer contacting with the silicone oil layer is provided with multiple concave and convex points. The matt-surface antistatic layer comprises 2 to 6% of silica particles, 20 to 30% of acrylic polyol having average molecular weight of 500 to 2000, 35 to 45% of polyoxyalkylene polyol having average molecular weight of 200 to 2500, 15 to 20% of polyethylene glycol, 4 to 8% of cyclomethyl siloxane, and 5 to 10% of 1-hydroxycyclohexylphenyl ketone-photoinitiator 184. The anti-scuffing matt-surface antistatic release paper solves the problem that the existing release paper has poor adhesion between a lamination layer and a release agent coating and unstable peel strength, improves antistatic performances of the film surface, and improves scuffing resistance.

The invention belongs to the technical field of electronic materials, and particularly relates to a release film for a circuit board. The release film comprises a supporting layer, an adhesive layer,an aluminum foil layer and a release heat sealing layer. The release heat sealing layer comprises vinyl functionalized acrylic resin, allyl phenyl ether, polyvinyl alcohol, poly(3, 4-ethylene dioxythiophene), alumina coated superfine barium titanium, nano silicon dioxide, nano zirconium dioxide and curing agent. The release film has stable hot melting performance within a wide temperature range, thereby having high sealability with the circuit board; adhesion strength of the release heat sealing layer to the aluminum foil layer is higher than that of the same to the circuit board, so that stripping of the release heat sealing layer from the circuit board is facilitated, the release heat sealing layer cannot be transferred onto a circuit board material when being torn off, and appearance uniformity of the circuit board is ensured.

The invention discloses a mist antistatic agent for a release liner. The release liner comprises a body paper layer with the upper surface and the lower surface laminated with a PE (polyethylene) film and a PET (polyethylene glycol terephthalate) film respectively, the other surface of the PET film on the body paper layer is coated with a mist antistatic coating, the other surface of the mist antistatic coating is coated with a mold release coating, the mist antistatic coating is formed by coating the mist antistatic agent, the mist antistatic agent comprises the following components according to mass percentage: 3.8-4.2% of silica granules, 26-28% of crylic acid polyhydric alcohols with average molecular weight of 500-2000, 36-38% of resin of oxyalkylene polyhydric alcohols, 17.5-18.5% of polyethylene glycol, 5.8-6.2% of cyclic dimethyl siloxane, and 7.5-8.5% of 1-hydroxy cyclohexyl phenyl ketone-photoinitiator 184. According to the mist antistatic agent, the problem of poor binding force and release force of the laminated layer of the release paper and the mold release coating is solved, and the antistatic property and scratch resistance of the film surface are improved.

The invention discloses a matte release agent used for mold release material. The matte release agent is arranged between a release film and a mold release agent layer and comprises the following components in percentage by weight: 2%-6% of silica particles, 20%-30% acrylic polyol with average molecular weight of 500-2000, 35%-45% of polyoxyalkylene series polyol resin with molecular weight of 200-2500, 15%-20% of polyethyleneglycol, and 5%-10% of 1-hydroxy cyclohexyl phenyl ketone-photoinitiator 184; wherein the particle diameters of the silica particles have peak values in ranges of 0.1-0.2 um and 1.5-5 um respectively and the average particle diameter is 4 um or less, according to the particles distribution of the silica particles measured by a laser diffraction scattering method. According to the matte release agent provided by the invention, the binding force between a lamination layer of a release paper and the mold release agent is improved, the release force is stable, the anti-static performance of the film surface is improved, and the scratch resistance is simultaneously improved.

The invention discloses a matte release agent used for mold release material. The matte release agent is arranged between a release film and a mold release agent layer and comprises the following components in percentage by weight: 2%-6% of silica particles, 20%-30% acrylic polyol with average molecular weight of 500-2000, 35%-45% of polyoxyalkylene series polyol resin with molecular weight of 200-2500, 15%-20% of polyethyleneglycol, and 5%-10% of 1-hydroxy cyclohexyl phenyl ketone-photoinitiator 184; wherein the particle diameters of the silica particles have peak values in ranges of 0.1-0.2 um and 1.5-5 um respectively and the average particle diameter is 4 um or less, according to the particles distribution of the silica particles measured by a laser diffraction scattering method. According to the matte release agent provided by the invention, the binding force between a lamination layer of a release paper and the mold release agent is improved, the release force is stable, the anti-static performance of the film surface is improved, and the scratch resistance is simultaneously improved.

The invention relates to a manufacturing method and a system of a radio frequency self-adhesive label, and the manufacturing method of the radio frequency self-adhesive label comprises the following steps: a) using conductive ink to print an antenna on an inner layer of a surface material film of a thin film; b) mounting a chip; c) testing an electronic device; d) coating silicone oil on the surface of a release material substrate; e) curing a silicone oil release layer; f) coating hot melt adhesive on the silicone oil release layer; g) curing the hot melt adhesive; h) compounding the tested electronic device layer with the release layer coated with the adhesive; i) carrying out die cutting and waste discharge; and j) taking up and obtaining a finished product which can be stuck automatically or manually. The manufacturing method of the radio frequency self-adhesive label can meet the technical requirements of the market on the radio frequency self-adhesive label, has significant advantages in the aspects of manufacturing efficiency, product yield, durability and economy, and can solve the shortcomings of the existing process, and the popularization of the manufacturing method of the radio frequency self-adhesive label is conductive to the wide applications of the radio frequency technology.

The invention discloses a manufacturing process of a fluorine element release film, which comprises the following steps: 1) preparing a coating, that is, mixing a fluorine element coating main agent with a n-heptane solvent according to a ratio of 1:6-1:8, adding a bridging agent and an anchoring agent, then adding a catalyst and stirring; 2) preparing the fluorine element release film, that is, coating the above coating on a PET raw film in a precise coating manner, performing an curing reaction in an oven, then cooling and rolling to obtain the finished product. The PET film used in the invention is strict in material selection criterion; the selected main material is available on the market; the blending and preparation steps of the coating solution are strict; a precise coating mode is adopted to allow the coating of the whole film to be quite uniform; after curing and drying, the release force of the product is very stable; the product is good in aging resistance, is very suitable for all organic silica gel protection adhesive tapes, and can be used in high-temperature high-humidity environment with good isolation effect.

The invention discloses a preparation method of novel matte anti-static release paper. One surface of release paper body paper is coated with a coating layer through a coating machine, and one surface of a thin film layer is coated with a matte anti-static coating with a thickness of 0.2-2 micrometres. Under the influence of the used ultraviolet rays which are of a wave band of 280-350nm and of an illumination of 1200mW / cm<2>, components, contained in the matte anti-static coating, including 2-6% of silica particles, 20-30% of acrylic polyol with the average molecular weight of 500-2000, 35-45% of resin of polyoxyalkylene polyols with the average molecular weight of 200-2500, 15-20% of polyethylene glycol and 5-10% of 1-1-hydroxy-cyclohexyl phenyl ketone-photoinitiator 184 react to obtain the matte anti-static coating. The thickness of the matte anti-static coating is 4-10 micrometres. The preparation method of the novel matte anti-static release paper not only solves the problems that the binding force between the coating layer and the release agent coating of the release paper is not strong and the release force between the coating layer and the release agent coating of the release paper is not stable, but also promotes the anti-static performance of the surface of the film, and meanwhile promotes the anti-scraping performance.