30results about How to "Reduce the probability of residual glue" patented technology

The invention provided an alkaline extracting method of the natural plant fiber. The process is: the material->acid etch->washing->alkaline with oxygen->strike the fiber->washing by the water->washing by the acid->washing by the water->dehydration->shake the fiber->oil feed->dehydration->air dry or oven dry. The fiber can be protected by adding the assistant Mg<2+>, the stability of the H2O2 in the alkali and the chemical assistant, also the nucleophilic reaction of the H2O2 to lignine can reach the best efficient. It can be used for extracting the plant fiber of the spinning, weaving and the dressing.

The invention discloses a hemp fiber freezing radiation auxiliary de-gumming technique, comprising the following steps of undergoing UV radiation, quenching, and heating treatment after hot bath, acid pre-etching, and pre-chlorination, and then undergoing base oxygen-mechanical associative de-gumming treatment, finally adding a softener for secondary scouring. The hemp fiber surface de-gumming effect treated by the technique is prior to ordinary base oxygen method and mechanical de-gumming, and the former meets the requirement of product of national first grade; the lignin content meets requirement of finishing technique after spinning, which obtains good whiteness and flexibility, and controls breaking strength and tensile stretch of fiber in requirement of spinnability, with improved length and fineness of fiber is improved, greatly improved serviceability, and less pollutant effluents discharged, so that the invention is environment-friendly.

The invention relates to a deoiling and degumming treatment method for waste bave. The method comprises the following steps of: A, deoiling and degumming treatment, namely, adding a leaching solution which is a isopropyl alcohol aqueous solution containing sodium carbonate or sodium silicate at a certain concentration to the waste bave, and reacting for 40 to 120 minutes under 70 to 100 DEG C, wherein the concentration of sodium carbonate or sodium silicate in the leaching solution is 3 to 6g/L, and the volume concentration of isopropyl alcohol is 20 to 70%, and the ratio of the mass of the waste bave to the volume of the leaching solution is 1g: 30 to 60mL; B, washing with water, namely, taking out the waste bave after the reaction is finished, and washing with water; C, drying, namely, drying the waste bave washed with water, wherein the waste bave is long silk waste or silk floss. The method has a good deoiling and degumming effect, is short in treatment time and low in temperature; after the deoiling and degumming, both the residual oil ratio and residual glum ratio of the long silk waste easily reach the national standard in which the residual glum ratio of refined waste silk is 3 to 7%, and the residual oil ratio is not more than 0.55%; moreover, the whiteness of the long silk waste is obviously improved; the residual oil ratio of the silk floss is far less than 1.5% of that as specified by the national standard, and the residual glum ratio is relatively small.

The invention discloses a microbial degumming method of nettle fiber. In the method, the nettle is infiltrated firstly; then bacteria degumming cultivated and filtered in the collected of white wine cellar fermented grains is inoculated to the infiltrated nettle so as to carry out degumming; and then the degumming fiber is deposed by washing in water, oiling and drying in turn; and finally it is deposed by opening, carding and packaging. Because microbial degumming is used in the invention, not only the consumption of chemical medicine such as strong acid, strong alkali and so on is decreased, the manufacturing cost is decreased; the pollution to environment and the corrosion to equipments are lessened; but also the process is shortened, the labor strength is lessened, the efficiency is improved and the output is increased. In addition, the fiber is separated more completely, the residual gum rate of fiber is lower, the proportion between doubling and stripe is decreased, and the quality and the success rate of nettle fiber are improved greatly.

The invention provides equipment and a method for disassembling a solar cell module. The equipment for disassembling the solar cell module comprises a laser scanning device, a first collecting and conveying device, a hot knife device, a low-temperature processing device, a second collecting and conveying device, a rolling device and a separating device. According to the equipment and the method for disassembling the solar cell module provided by the invention, glass and an upper cover ethyl vinyl acetate (EVA) film adhered to the glass are disassembled from the solar cell module through the laser scanning device, and the glass and the upper cover EVA film adhered to the glass are separated through the hot knife device, so that the complete glass is obtained. Then through a low-temperatureenvironment manufactured by a low-temperature processing device under normal pressure, a complete backboard, a complete laid EVA film and a cell of the solar cell module are obtained. According to theequipment and the method for disassembling the solar cell module provided by the invention, the cells are crushed through the rolling device so as to obtain silicon wafer particles, metal welding strips and metal busbar, and different materials are separated and sorted through the separating device, so that the environment-friendly disassembling and the classified recycling of waste solar cell modules are achieved.

The invention relates to a ramie biological degumming method. The method comprises carrying out activation on Bacillus sp. HG-28 as a strain, carrying out enlarge cultivation, carrying out dilution to obtain a degumming bacterial liquid F for ramie biological degumming, immersing raw ramie in the degumming bacterial liquid F and carrying out biological degumming. The ramie biological degumming method has small energy consumption, light pollution, short biological degumming time, process operation easiness, high degumming efficiency, short bacterial culture time and a low cost. The refined dry ramie has high quality, a low residual gum rate and high breaking strength, has appearance and all indexes superior to first-order refined dry ramie national standards GB/T 20793-2006 and has a wide large scale production prospect.

The invention discloses a processing technology of fibrilia for seedling base cloth, andthe processing technology flow is as follows: after mechanically and repeatedly rolling of the raw hemp, the fine fibrilia is obtained by facilitating pre-soaking, boiling, softening, dewatering and drying and mechanical post-treatment. The processing method realizes good degumming effect by using three flow steps of mechanical pretreatment, pre-leaching and boiling off, in particular to the degumming treatment of the fibrilia by using an acid-base coordination compound enzyme, the residual gum rate is low,the process flow is simple, and the fine fibers are favorably obtained. By using the softening and mechanical post-processing, the fine fibrilia is further obtained through slow carding, the strengthof the fibrilia is reduced, and the fiber is uniformly distributed, so that the prepared seedling base cloth has stable quality, and the mechanical property can well meet the requirement of seedlingraising and seedling cultivation.

The invention discloses a method for manufacturing hot insertion application gold fingers, comprising the following steps: 1) pre-processing of a PCB board, providing a solder mask layer on the PCB board and performing sand blasting treatment; 2) screen printing of anti-plating ink; 3) gold plating of gold fingers; 4) film removal of the inner layer, fading a wet film formed by the anti-plating ink; and 5) etching of the inner layer. After the wet film formed by the anti-plating ink in the invention is exposed and developed, the Pitch average value between the obtained gold fingers is closer to the design requirement, the standard deviation is smaller from the statistical point of view, that is, the Pitch flatness between the gold fingers is better; in addition, the blue glue in the invention is used, so that the curing time is shorter, and the residual glue rate is lower, the blue glue is filled at an electrogilding gold pinch point after gold plating of the gold fingers is completed,it is ensured that the standing time from etching of the inner layer to film removal of the inner layer is enough, such that the electroplating chemical can be prevented from infiltrating from the pinch point, thereby further reducing the defect rate of the product.