179results about How to "Low baking temperature" patented technology

The invention discloses a soft ceramic mud and method for preparation, which is prepared by polyvinylchloride pasty resin 15-40 parts by weight, dioctyl phthalate 20-55 parts by weight, calcium carbonate 15-35 parts by weight, plasticizer 0.1-0.4 parts by weight, toner 0.5-0.15 parts by weight, and trace moisture and impurity. The invention also discloses a method for preparation, which comprises steps as follows, each component is weighed proportionally and is placed into stirrer to stir until all components doesn't display nodular powder to be kneaded together evenly and the color is uniform, the evenly stirred mud is placed in the molder to squeeze and mould. The invention provides the soft ceramic mud which is hard and fine in texture under normal temperature, low in softening temperature to soften by hand temperature, low in toasting temperature and short in time, and the toasted material is as hard as ceramic without any odor, further protecting environment.

This invention provides a surface mounting type planar magnetic device comprised of upper ferrite magnetic film, lower ferrite magnetic film and a planar coil interposed therebetween. For applying surface mount technology, an opening is formed in the upper ferrite magnetic film above a coil terminal portion and then, an external electrode conductive with the coil terminal portion through the opening is formed on the upper ferrite magnetic film. Further, this surface mounting type planar magnetic device is of a thin structure and can be mounted on the surface of a printed board. Its power loss is small, its inductance is large, its frequency characteristic is excellent, the disparity of the characteristic is small and its reliability is excellent.

An anti-ultraviolet finishing liquid for fabric is prepared from tetrabutyl titanium, organic solvent, hydrochloric acid, acetic acid and water. It can be used to prepare the anti-ultraviolet fabric through preparing TiO2 sol and using it to finish the fabric for generating the TiO2 gel nanoparticles on the surface of fabric.

The invention relates to a finishing method of fabric by nano-metal titanium dioxide sol negative oxygen ions. The finishing method comprises the following steps: (1) dissolving butyl titanate in 2/3 of ethanol, mixing evenly, adding ethanol aqueous solution dropwise, and adjusting pH value to 2 by concentrated inorganic acid after finishing adding dropwise, and continuing to stir for 2h to obtain transparent nano-TiO2 sol, wherein, the butyl titanate, an inhibitor, an anhydrous ethanol and water are at a mol ratio of 1:1:10-30:2-4; and (2) soaking the fabric in the sol finishing agent for 3min, then predrying at the temperature of 80 DEG C, baking at the temperature of 120 DEG C for a plurality of 150s, washing and drying at the temperature of 80 DEG C. The method has simple operation process and low baking temperature of 100-180 DEG C and can help realize industrial production.

The invention relates to a conductive silver paste with low halogen content. The conductive silver paste comprises the following components by weight percent: 1-25% of vibrin, 20-55% of silver powder,0.1-9% of dispersant, 0.1-8% of adhesion promoter, 0-6% of flatting agent, 0-8% of graphite powder and 20-60% of organic solvent. Compared with the prior conductive silver paste, the conductive silver paste has low halogen content, meets the European Union requirements for environmental protection, and is an environmental-protection product. The silver paste requires a low baking temperature, hasa strong adhesion to PET films, has the advantages of low specific resistivity, moderate bending performance and moderate hardness, and therefore, is a preferable material for making environmental-protection printed circuits.

Provided is a manufacturing method of a layered ceramic electronic component capable of preventing appearance of a gap between a dielectric layer and a via electrode to achieve reliable conduction between the via electrode and an internal electrode and at the same time, capable of effectively preventing occurrence of structural defects in the dielectric layer and the like.

In a layered (multilayer) ceramic capacitor, dielectric layers and internal electrodes are stacked alternately. Of the internal electrodes, those placed opposite to each other via the dielectric layer are connected through the via electrode. The layered (multilayer) ceramic capacitor is produced by forming a via hole in stacked layers of a ceramic green sheet for forming the dielectric layer and a conductive paste for forming the internal electrode, followed by firing to obtain stacked layers having the dielectric layers and the internal electrodes formed therein. A conductive paste for forming the via electrode is filled in the via hole of the stacked layers and then baked to form the via electrode.

The present invention belongs to the field of chemical technology and is a kind of sol-gel color fixing method. Reagent capable of producing chemical combination with fabric fiber is selected as material for sol finishing liquid to finish fabric at 100-180 deg.C. Thn and transparent complicated network film is formed on the inner and outer surface of fiber to fix the dye on the fabric and to raise the color fastness of fabric.

The invention aims at providing a continuous hot melting dyeing technology for a polyester fiber fabric. The traditional pad dyeing technology of carrying out rolling, drying and baking in sequence on the polyester fiber fabric is changed into the technology of carrying out steaming, rolling, drying and baking in sequence. Before padding, a polyester fiber is steamed through negative pressure saturation steam so that the expansion degree of the polyester fiber can be improved, the dyeing speed, the dye utilization ratio and the level dyeing degree of dyes can be improved, and the effects of shaping the polyester fiber and improving the quality of the fiber can be achieved. In the padding process, the dyeing speed and the dyeing uptake of disperse dyes are further improved by utilizing the function of a dyeing assistant, and the liquid rate and the level dyeing effect of two-immersing and two-rolling technology can be achieved by adopting the one-immersing and one-rolling technology. After pre-drying is carried out through high-frequency infrared rays, the temperature of the baking and drying is reduced to 180 DEG C to 190 DEG C from 210 DEG C to 220 DEG C by adopting the low-temperature dyeing technology. By means of the technology, dyeing and printing enterprises can greatly reduce energy consumption, and meanwhile, high quality dyed fabrics with the superior performance can be obtained.

The invention relates to amino stoving varnish, and in particular to amino stoving varnish capable of capable of being cured quickly at a low temperature. The amino stoving varnish comprises the following components in parts by weight: 50-60 parts of hydroxy acrylic resin or alkyd resin, 10-20 parts of amino resin, 1-5 parts of functional auxiliary, 0.1-0.5 part of flatting agent, 0.1-0.5 part of antifoaming agent and 10-20 parts of diluent. A preparation method of the amino stoving varnish provided by the invention is simple, and the prepared product has strong applicability and good quality.

The invention provides a graphene conductive powder coating before wooden product coating as well as preparation and application thereof. The conductive powder coating is composed of the following components: epoxy resin, graphene, a dispersing agent, a filler, a silane coupling agent, a coupling agent of organic titanate, a flatting agent, a curing agent, an antifoaming agent and the like. The conductive powder coating can be applied to conductive treatment before wooden product coating, and the wooden product is treated and dried and cured to form a flat and dense conductive coating on the surface. The conductive powder coating is capable of closing pores on the surface of the wooden product base material and does not diffuse and permeate on the surface, so that the conductivity performance on the surface of the base material is improved, the electrostatic spraying coating quality of the wooden product is improved, phenomena such as pinholes, bubbles and cracking occurring in the coating flatting and curing process are avoided, and the adhesive force between the wooden product base material and the coating is promoted. The graphene conductive powder coating is excellent in hardness and resistance, is capable of improving the durability of the wooden products and can be widely applied to coating treatment industries of the wooden products.

The invention relates to a method for improving the color fastness of a photochromic fabric. The method comprises the following steps: (1), at the room temperature, mixing tetraethoxysilane and glutamic-pyruvic transamine with ethyl alcohol, stirring until uniform mixing, then dripping hydrochloric acid drop by drop under stirring, and stirring unceasingly for 5 hours so as to obtain a finishing liquor; (2), at the room temperature, carrying out two times of soaking and two times of rolling to the photochromic fabric in the finishing liquor, then drying, and finally baking the photochromic fabric. The method provided by the invention has the advantages that the color fixing is convenient, the consumed time is short, the cost is low, pollutions to the environment are small, and the effect in improving the color fastness of the photochromic fabric is obvious; an agent capable of being in reaction with and combined with textile fiber is selected as a raw material to prepare a colloidal sol finishing liquor, when finishing is performed on the photochromic fabric, overhigh temperature is not required, not only can the effect of improving the color fastness of the photochromic fabric be improved, but also damage to fabrics can be prevented.

In a resist pattern forming method in which bake processing is performed at a temperature not lower than a glass transition temperature in order to obtain the desired sidewall angle, resist removable is difficult. Accordingly, in the resist pattern forming method of performing bake processing at a temperature not lower than a glass transition temperature, a process margin for resist removability cannot be ensured, so that there is the problem that it is impossible to compatibly realize both the formation of a resist pattern having the desired sidewall angle and the resist removability of the resist pattern. The invention aims to solve the problem. A resist pattern including a diazonaphthoquinone (DNQ)-novolac resin type of positive resist is formed, and the resist pattern is irradiated with light within the range of photosensitive wavelengths of a DNQ photosensitizer to perform bake processing on the resist pattern at a temperature not lower than the glass transition temperature of the resist pattern.

The invention relates to a continuous porous titanium dioxide fiber and the preparing technology. Sol-gel method is used to prepare the continuous porous titanium oxide fiber. First, TiO2 sol with low molecular weight is compounded; by evaporating organic solvent and adding polymer, TiO2 fiber precursor with high molecular weight is prepared. Then by extruding and extending the continuous porous TiO2 fiber is compounded. The outstanding characteristic of method is that by using sol-gel method the continuous porous TiO2 fiber with new structure and good physical and chemical property is prepared so as to provide a new path for studying continuous inorganic fiber material. At the same time, the technology is simple and it is easy to industrial production. It makes active contribution to developing theory, technology and method of sol-gel filature.

The present invention performs negative ion finishing of fabric by means of sol-gel technology, and in a rolling-stoving-roasting process with silicate ester as precursor for preparing stable transparent nanometer sol. During the negative ion finishing of cellulose, silk and other natural fiber and polyamide, polyester and other synthetic fiber, adhesive and softening agent are used to endow fabric with excellent and lasting negative ion performance and excellent hand feeling and comfort.

A paste-like thermally foaming filler contains 2 to 20 parts by weight of an uncrosslinked synthetic rubber. 5 to 30 parts by weight of a partially crosslinked rubber, 0.1 to 5 parts by weight of a quinone-based vulcanizing agent, 0.2 to 1 parts by weight of thermally expandable balloons, 1 to 10 parts by weight of a thermoplastic resin, 20 to 50 parts by weight of a plasticizer, 15 to 50 parts by weight of an inorganic filler, and 2 to 15 parts by weight of a chemical foaming agent. The paste-like thermally foaming filler exhibits high foaming capability even at low temperatures.

The invention relates to low-temperature quick-drying dual-component automotive trim paint, which is used for solving the problems of long baking time, high baking temperature and low hardness in the conventional automobile plastic trim paint. The low-temperature quick-drying dual-component automotive trim paint consists of a component A and a component B, wherein a mass ratio of the component A to the component B is 4:1; the component A consists of the following substances in part by mass: 60 to 80 parts of hydroxy acrylic resin mixture, 5 to 25 parts of solvent A, 5 to 10 parts of filler, 0.1 to 0.5 part of defoamer, 0.1 to 0.15 part of flatting agent, 0.4 to 0.8 part of drier, 0.5 to 1.5 parts of light stabilizer and 0.5 to 1 part of light absorber; and the component B consists of the following substances in part by mass: 50 to 60 parts of curing agent, 4 to 8 parts of curing accelerator and 35 to 55 parts of solvent B. According to an automotive interior trim part sprayed by the automotive trim paint, the baking time can be reduced by nearly 50 percent, the baking temperature is reduced by about 20 DEG C, and the hardness of pencils is improved to 2H; and the low-temperature quick-drying dual-component automotive trim paint has the characteristics of improving production efficiency and quality of products along with energy conservation.

The present invention relates to an aqueous ultraviolet-curing transparent prime coat and a preparation method thereof. The transparent prime coat comprises the following components, by weight, 40-60% of an aqueous ultraviolet resin, 30-45% of an aqueous ultraviolet wear resistance resin, 3-10% of an aqueous reaction type diluent agent, 3-15% of talc powder, 1-10% of glass powder, 0.5-1.0% of fumed silica, 1.0-3.0% of benzene-free photoinitiator and 1-2% of water. According to the present invention, the transparent prime coat of the present invention is a functional product with excellent environmental protection performance, wherein the benzene content is low before or after the transparent prime coat construction; the transparent prime coat of the present invention is odorless, can be directly diluted with the water, and can be applicable for the spray coating process and the roller coating process; the hardness of the transparent prime coat is more than 3H, and the water resistanceof the transparent prime coat meets requirements of the three-level water in GB\T6682.

The invention provides a single-layered positive photoresist photoetching method applied to metal stripping. The single-layered positive photoresist photoetching method comprises the following steps of: (1) coating a positive photoresist layer 2 on a semiconductor base plate 1; (2) after gelatinizing of the photoresist layer 2, carrying out baking treatment to remove a part of a solvent; (3) carrying out positive photoresist developing solution treatment on the photoresist layer 2; (4) exposing the photoresist layer 2; (5) exposing the photoresist layer 2 and carrying out the baking treatment; (6) developing the photoresist layer 2, wherein a developing solution is a positive photoresist developing solution; and (7) after the photoresist layer 2 is developed, carrying out the baking treatment. The single-layered positive photoresist photoetching method disclosed by the invention has the advantages that a photoetching profile pattern with an olecranon-shaped opening is obtained so as to prevent metal of a photoresist surface layer from being connected with metal at the bottom of a photoresist pattern in an evaporation process, thereby being good for the metal stripping. Compared with a process of adopting a plurality of layers of glue to realize the metal stripping, the single-layered positive photoresist photoetching method is simple; meanwhile, the single-layered positive photoresist photoetching method has better pattern resolution than using negative photoresist, and can realize a small-line-width image stripping process.