93results about How to "No glue residue" patented technology

The invention discloses a PET (polyethylene terephthalate) protective film for preparing a flat-panel display, which is characterized by comprising an optical-level PET protective film base material and low-polarity pressure-sensitive adhesive, wherein the low-polarity pressure-sensitive adhesive is coated on the upper surface of the optical-level PET protective film base material. Since the pressure-sensitive adhesive has the characteristics of low polarity and high cohesive force, is inert, and can be instantaneously attached to the surface of the glass material of the flat-panel display, the protective film prepared from the pressure-sensitive adhesive, optical-level PET protective film and the like has the characteristics of no shedding, easy stripping after coating by vaporization, no adhesive residue, no pollution, high temperature resistance and static resistance, and can effectively avoid damaging the glass lens in the stripping process.

The invention discloses an organosilicon modified high-temperature-resistant acrylate pressure-sensitive adhesive and a preparation method thereof. The pressure-sensitive adhesive is prepared from, byweight, 2-8 parts of hard monomer, 70-90 parts of soft monomer, 2-8 parts of functional monomer, 5-10 parts of organosilicon modifying body, 0.1-0.8 part of initiator, 1-3 parts of curing agent and 100-150 parts of solvent. The pressure-sensitive adhesive is resistant to high temperature, high in adhesiveness, large in bonding power and free of residue when in use.

The invention discloses a high-temperature-resistant solvent-type acrylate pressure-sensitive adhesive which is characterized by being synthesized from, by weight, 7-13% of hard monomer, 23-37% of soft monomer, 2-5% of functional monomer, 0.5-0.9% of heat-resistant monomer and 50% of solvent. The pressure-sensitive adhesive is high in resistance to high temperature, high in adhesiveness and high in adhesive force; when in use, there is no adhesive residue, and higher requirements of the present adhesive market on the pressure-sensitive adhesive are met with excellent performance; lignin which serves as the heat-resistant monomer is from an organism and belongs to renewable resources, so that the environment problem caused by utilizing petroleum resources is solved effectively.

The invention discloses a manufacturing method of a heat-shrinkable auto-adhesive vacuum plating protective film. The manufacturing method comprises the following steps: (1) firstly, synthesizing polyvinyl polyacrylate; (2) then, performing melt blending on the polyvinyl polyacrylate, polyethylene resin, a first initiator and an antioxidant according to a weight proportion, extruding and granulating, and finally performing extrusion film blowing and UV curing to obtain the heat-shrinkable auto-adhesive vacuum plating protective film. The manufactured protective film wraps a local part, required to be protected, of a vacuum plating component in a heat shrinkage way; in a vacuum plating process, the surface of the film does not crease and deform, the adhesion force is stable, the attachment property is good, the re-peeling performance is excellent, the phenomenon of adhesive residue is avoided, and the barrier and mechanical properties are excellent; the heat-shrinkable auto-adhesive vacuum plating protective film is an excellent vacuum plating protective film material which is non-toxic, environmentally-friendly, safe and practical.

The invention provides a preparation method of a high temperature resistant crepe paper adhesive tape used for shoes. The preparation method comprises a step of pressure sensitive adhesive preparation and a step of coating; according to the step of pressure sensitive adhesive preparation, methylbenzene is used for removing water in cross-linking agent dibenzoyl peroxide, and dibenzoyl peroxide is mixed with an organic silicon pressure sensitive glue at a certain ratio for uniform stirring, cross-linking agent diisocyanate of acrylic ester pressure sensitive glue is dissolved in methylbenzene, and is mixed with acrylic ester pressure sensitive glue; and at last crepe paper is coated with the mixtures of the two pressure sensitive glues so as to obtain a final product; wherein the final product possesses high temperature resistance, and no glue is left after removing from shoe materials.

The invention discloses a high-temperature-resistant modified acrylate pressure-sensitive adhesive and a preparation method thereof, wherein the high-temperature-resistant modified acrylate pressure-sensitive adhesive comprises, by weight, 75-93 parts of a soft monomer, 3-8 parts of a hard monomer, 3-8 parts of a functional monomer, 2-10 parts of an organic boric acid modified monomer, 0.1-0.4 part of an initiator and 100-200 parts of a solvent. The invention further provides a preparation method of the high-temperature-resistant modified acrylate pressure-sensitive adhesive. According to theinvention, the preparation raw materials are easy to obtain, the production efficiency is high, the pressure-sensitive adhesive can be rapidly prepared, and the problems that the production cost is high, the operation is difficult and not easy to control, and the high-temperature stripping force of the pressure-sensitive adhesive is increased are effectively solved.

The invention relates to an aluminum-foil substrate applicable to a flexible circuit board and a manufacturing method of the aluminum-foil substrate. The aluminum-foil substrate comprises aluminum foil, an insulating adhesive layer and a release layer, wherein the aluminum foil has a top surface and a bottom surface which are opposite to each other, the release layer is adhered to the bottom surface of the aluminum foil through the insulating adhesive layer, the aluminum foil is 12-50 micrometers in thickness, the insulating adhesive layer is 5-50 micrometers in thickness and the release layer is 30-200 micrometers in thickness. The aluminum-foil substrate has the advantages that the aluminum-foil substrate is simple in structure, quite light and thin and excellent in flexibility and bending resistance, production efficiency of clients and yield are increased by using the aluminum-foil substrate, and production cost is reduced.

The invention discloses a degradable self-adhesive film material as well as a preparation method and application thereof. The degradable self-adhesive film material is formed by compounding a surfacelayer and a self-adhesive layer, and preparation raw materials of the surface layer and the self-adhesive layer contain degradable resin. The self-adhesive film prepared by the method is good in adhesion effect with the surface of an adherend, strong in adhesive force, free of residual glue and easy to peel off, and the surface layer and the self-adhesive layer are not easy to adhere; good mechanical performance is achieved, and the tensile strength and the elongation at break are high; and the material has good biodegradability, avoids environmental pollution, is processed by a two-layer co-extrusion film blowing machine, and is simple in process and convenient for industrial popularization.

The invention relates to a high-barrier transparent flexible display material and a preparation method thereof. The preparation method comprises the following steps: firstly heating an anionic two-dimensional layered material and an organic intercalation agent in a solvent, then performing a stripping treatment in the solvent, mixing the material with a polymerization monomer of polyimide and performing in-situ polymerization, and finally performing heat treatment to obtain the flexible display substrate material. The material obtained by the preparation method of the present invention has high water-oxygen barrier property, excellent thermal stability, low thermal expansion coefficient, and high transparency and the like, and is the flexible material excellent in comprehensive performance.

The invention discloses a UV (Ultraviolet)-cured acrylate pressure-sensitive adhesive with a low shrinkage rate and a preparation method thereof as well as a UV-cured acrylate pressure-sensitive adhesive tape with the low shrinkage rate. The UV-cured acrylate pressure-sensitive adhesive with the low shrinkage rate is characterized by being prepared from the following raw materials in parts by weight: 15 to 30 parts of a hard monomer, 30 to 60 parts of a soft monomer, 5 to 15 parts of a functional monomer, 0.3 to 0.5 part of an initiator, 0.2 to 0.8 part of a photo-curing agent, 13 to 20 partsof an expansion polymer and 100 to 160 parts of a solvent. In a synthesis process of the acrylate pressure-sensitive adhesive, the defect that a surface shrinkage phenomenon is generated in a UV photo-curing process is overcome; meanwhile, the pressure-sensitive adhesive disclosed by the invention has the advantages of great binding power, low shrinkage rate and no residual adhesive in an application process.

The invention discloses an online lamination protection film of a light guide plate and a preparation process of the online lamination protection film. The online lamination protection film of the light guide plate comprises a base material surface layer, a core layer and an elastomer layer, wherein the core layer is arranged between the base material surface layer and the elastomer layer, and the base material surface layer, the core layer and the elastomer layer are integrally formed by virtue of a co-extrusion process. The protection film is stable in viscosity, good in light guiding property, excellent in high-temperature high-humidity aging resistance, and free from scratching a protected surface; and the viscosity of the protection film is not changed along with the temperature rising/lowering, can be repeatedly laminated and can avoid the adhesive residue phenomenon. Therefore, the protection film is very suitable for being used as the protection film of the light guide plate.

The invention provides a preparation method of high-performance low-viscosity glue for a low-viscosity PET protective film. The preparation method comprises the steps that macromolecular polyhydric alcohol is subjected to vacuum dehydration for 1-5 hours at the temperature of 100-120 DEG C, and then cooled to be 60-80 DEG C; isocyanate, an organic solvent and a catalyst are added, the mixture is subjected to thermostatic reaction for 2-6 hours under the condition of 500-1500 r/min; a chain extender is added to conduct chain extension reaction for 1-5 hours, and the product is cooled to be 30-50 DEG C; and a salt-forming agent and deionized water are added, high-speed shearing dispersing is conducted for 0.5-2 hours under the condition of 1000-3000 r/min, and the high-performance low-viscosity glue is obtained. The preparation technology is simple and easy to operate, and is suitable for industrialized production. The high-performance low-viscosity glue produced by adopting the method is applied to the PET protective film, so that the PET protective film has the characteristics of being low in viscosity, easy to tear, free of glue residue, good in adhesion, good in high temperatureresistance and excellent in mechanical performance.

The invention discloses a high-temperature-resistant mylar sheet and a preparation method thereof as well as a method for protecting a wafer in a wafer thinning process, and belongs to the field of semiconductor silicon device and integrated circuit manufacture. The high-temperature-resistant mylar sheet comprises a PET (polyethylene terephthalate) transparent release film, an acrylic acid type adhesive and a PET transparent film. In the wafer thinning process, the high-temperature-resistant mylar sheet is adhered to a ceramic plate and further is coated with low-temperature wax; and during wafer thinning, the high-temperature-resistant mylar sheet buffers hard-to-hard contact between a substrate and the ceramic plate and protects smoothness and flatness of the surface of the ceramic plate. The fragmenting rate during wafer thinning can be reduced, the chip productivity is improved, besides, wear of the ceramic plate can be reduced, the service life of the ceramic plate is prolonged, the production cost is reduced, the economic benefit is high, and the high-temperature-resistant mylar sheet is suitable for industrial application.

The invention provides an adhesive. The adhesive comprises the following components in parts by mass: 5-30 parts of natural smoked sheets, 20-50 parts of synthetic rubber elastomers, 30-50 parts of tackifying resin, 1-5 parts of an antiager, 3-8 parts of a rubber softener and 0.1-1 part of a light stabilizer, wherein the ratio of the synthetic rubber elastomers to tackifying resin is 1:(1-1.5). Owing to the formula, the provided adhesive is suitable for various complicated environments and firm and reliable in adhesion, can not slide or drop when stressed, and can be easily removed without residues when not in need, and an adhesive product prepared by the adhesive has outstanding weight loading ability.

The invention discloses a pyrolytic adhesive film and a production coating process thereof, wherein the pyrolytic adhesive film at least comprises a release layer, a base material layer and a pressure-sensitive adhesive layer, wherein the release layer is a single-sided release film material and is used for winding the base material layer coated with the pressure-sensitive adhesive layer; and thepressure-sensitive adhesive layer is formed on the surface of the base material layer. The pyrolytic mucous membrane product is high in initial stripping force, a good fixing effect can be achieved onthe product, no residual adhesive is generated under high-temperature debonding, and stripping is easy. And meanwhile, the requirement on the debonding temperature does not influence the product.