408 results about "Collodion" patented technology

The invention belongs to the technical field of cleaning tools, and especially relates to a cleaning barrel for cleaning a collodion mop and a collodion mop. The cleaning barrel comprises a cleaning barrel body. The cleaning barrel body is divided into a cleaning area and a water squeezing area by a baffle plate disposed in the middle. The cleaning area is provided with a cleaning device. The water squeezing area is provided with a water squeezing device. The cleaning device comprises a first channel for allowing the collodion mop to enter, and at least two cleaning brushes are movably arranged in the first channel from top to bottom. The water squeezing device comprises a second channel for allowing the collodion mop to enter, and a compression roller is movably arranged at an upper end of the second channel. The invention provides a cleaning barrel for cleaning a collodion mop which is simple and stable in structure and convenient to operate and is labor-saving, and a collodion mop.

The present invention relates to the technical field of high molecular polymer emulsion type glue, in particular to a water-soluble hot-melt glue. In the preparation method of the water-soluble hot-melt glue, the water-soluble hot-melt glue contains binder, viscosity increaser, filler, organic silicon defoamer, organic silicon mildew preventive, other assistants and water, and the water-soluble hot-melt glue is characterized in that the components are calculated according to the total weight portion of the non-volatile ingredients which amounts to 100, the dosage proportion of the ingredients is as follows: 10 to 40 portions of binder, 10 to 30 portions of viscosity increaser, 20 to 60 portions of filler, 10ppm to 100000ppm of organic silicon defoamer, 1ppm to 10000ppm of organic silicon mildew preventive, 0.1 to 5 portions of assistants and 100 to 300 portions of water. Compared with the prior art, the water-soluble hot-melt glue fills the domestic gap in the field and is worth promotion and application.

The invention discloses water-based aluminized film composite glue and a preparation method thereof, and belongs to the field of adhesive manufacture. The composite glue with 45 to 50 percent of solid content is prepared from monomers, composite emulsifier, initiator, buffering agent, pH regulator, water-based auxiliary agents and deionized water serving as raw materials by pre-emulsifying, seed reaction, polymerization reaction and compounding; the monomers comprise hard monomer, soft monomer and functional monomer, wherein the hard monomer consists of styrene and vinyl acetate; the soft monomer consists of butyl acrylate; and the functional monomer consists of any one of acrylic acid and methacrylic acid, any one of hydroxyethyl acrylate and hydroxypropyl acrylate, and N-hydroxymethyl acrylamide. The composite glue has good stability and low cost, and can improve the adhesive force and the peeling strength of an adhesive film on an adhesive base material. By adding various water-based aids with excellent performance, the foam of the composite glue in use is reduced, and the wetting leveling property of the emulsion on the surface of the aluminized film is improved so that the coating property of the glue is improved and the transparence is better after the film is formed.

An antimicrobial paste glue is provided, which includes from 0.01 to 70% by weight of at least one antimicrobial compound, based on the weight of solids. Other embodiments of the invention provide methods of making and using the paste glue.

The invention relates to a fabricating method of air vent vehicle body paste, which mainly comprises the following steps: putting base paper on a membrane pouring machine frame; pouring a polyethylene membrane on the base paper at high temperature to form membrane poured paper; extruding leather patterns with regular tongues on the membrane poured paper to form embossing membrane poured paper; coating liquid organic silicone on the embossing membrane poured paper, making embossing release paper; coating glue water on the embossing release paper after being coated with the silicone; drying the embossing release paper after being coated with the glue water through an oven; jointing a PVC membrane on the embossing release paper through a cooling and jointing roll; and rolling, cutting and packaging after the jointing. The air vent vehicle body paste fabricated by the method can guide gathered air without air bubbles through leather patterned tongues during jointing and using, is convenient for construction, and is flat and beautiful in pictures.

The biologically degradable starch film consists of starch polysaccharide hydrolyzing product 5-70 wt%, natural gelatin hydrolyzing product 0.2-3 wt%, PVA 18-85 wt%, cross linking agent 0.2-0.3 wt% and water 8-14 wt%, its preparation includes the following steps: mixing starch polysaccharide, natural gelatin, water and proper amount of polysaccharidase to obtain water soluble polysaccharide sol;mixing PVA and water to obtain PVA sol; mixing the polysaccharide sol and the PVA sol and adding proper amount of cross linking agent to form mixed sol; forming film with the mixed sol via dry curtain coating, drying, stretching, and hot setting to form the film with water content of 8-14 wt%. The film has the excellent performance similar to that of chemical plastic film, can be decomposed and absorbed by microbe in soil and has low production cost.

The present invention uses the sunflower seed peel as main raw material, and adopts the processes of enzymolysis, cooking and low-alkali making pulp to make pulp. Said invention can be implemented by adopting existent equipment and conventional process, the obtained pulp can be used for making various papers or paper products, and can be used as raw material for making viscose fibre, collodion and explosive, etc.

The invention discloses glue for corrugated paper. The glue comprises, by weight, 10-30 parts of oxidized starch, 2-5 parts of borax, 2-6 parts of sodium hydroxide, 120-180 parts of water, 50-60 partsof polyvinyl alcohol and 15-25 parts of silicone oil. The glue has the advantages that the glue comprise the oxidized starch, borax and sodium hydroxide, and the oxidized starch after being glued promotes bonding of fiber in the corrugated paper, so that strength of the corrugated paper is improved; the oxidized starch is prepared by oxidizing one of wheat starch, corn starch and tapioca starch,thereby being convenient to obtain, easy to degrade and environment-friendly; polyvinyl alcohol has good film forming performance and forms a flexible film on the surface of the corrugated paper, so that the strength of the corrugated paper is further enhanced; the silicone oil is dispersed in raw materials of the glue, and the corrugated paper after being glued has good moistureproof performance,so that the strength, the moistureproof performance and environment-friendly effect of the corrugated paper are improved; the glue is applied in production of high-strength low-gram-weight corrugatedpaper.

The invention relates to DNA immunity adsorbent and a preparation method thereof. The DNA immunity adsorbent comprises an adsorbent carrier loaded with DNA. The DNA immunity adsorbent further comprises a cross-linking polyvinyl alcohol film mixed with DNA to achieve a film wrapping effect for the adsorbent. The preparation method includes the following step of sequentially conducting cross-linking and film wrapping or sequentially conducting film wrapping and cross-linking. The DNA immunity adsorbent has adsorption performance for anti-double stranded DNA antibodies in SLE patient plasma, and is superior to DNA immunity adsorbent prepared from a collodion wrapping film in general.

The invention relates to the technical field of copper-clad plates, in particular to a novel aramid-paper-based copper-clad plate and a preparation method thereof. The novel aramid-paper-based copper-clad plate comprises a substrate and copper foil and is characterized in that the substrate is formed by stacking a plurality of prepregs, and the copper foil is stacked to at least one surface of thesubstrate; each prepreg comprises modified para-position aramid paper and resin composite layers stacked to at least one surface of the aramid paper; the copper foil is adhered to the surface of theresin composite layers through glue. The aramid-paper-based copper-clad plate is good in stripping strength, small in density, excellent in dielectric property and thermal expansion coefficient, and the good thermal conductivity of the aramid-paper-based copper-clad plate can greatly expand the application range of the copper-clap plate.

The invention relates to a preparation method of a cellulose triacetate ester film. The preparation method comprises the following steps: preparation and tape casting of cellulose triacetate ester collodion, wherein the preparation process of the cellulose triacetate ester collodion comprises the steps of feeding, mixed dissolving, collodion filtering and constant-temperature standing and bubble removing; before feeding, cellulose triacetate ester is subjected to drying treatment and pre-humidification treatment. According to the invention, the homogeneity of the cellulose triacetate ester collodion is enhanced; the problem of crystal point of the surface of the cellulose triacetate ester film is solved; the apparent and optical performances are improved, and the cellulose triacetate ester film can act as a supporter and a protective film of a polaroid.

The invention relates to water-resistant re-dispersible latex powder, and belongs to the technical field of building materials. The water-resistant re-dispersible latex powder comprises, by mass, 75-85% of polymer modified latex, 5-11% of protective colloid, 10-16% of anti-caking agents and 0-5% of functional additives. A preparation method of the washable re-dispersible latex powder includes the steps that the protective colloid powder and water are heated inside a reaction kettle according to the proportion of 36:350 to form adhesive through blending; then the adhesive is mixed with the polymer modified latex, and the functional additives are added into the mixture to be stirred to form uniform latex; then the latex is conveyed into drying equipment and atomized through a high-speed centrifugal atomizer, part of anti-caking agents are added to prevent adhesion, and the water-resistant re-dispersible latex powder finished product is obtained through temperature decreasing and separating. By the adoption of the method, the water-resistant performance of the re-dispersible latex powder can be effectively improved, the requirements for high performance and environmental friendliness of building mortar are met, and application of the latex powder to dry powder building mortar and special waterproof materials is promoted.

The invention discloses an aluminum silicate fiber collodion cotton and a production method for a highly processed product of the aluminum silicate fiber collodion cotton. Flint clay, coal gangue, calcined clay clinker, waste aluminum silicate insulation material and waste glass dust are adopted as raw materials. The aluminum silicate fiber collodion cotton is prepared by adopting the following processes of: (1) selecting one or more raw materials to uniformly mix, melting into liquid material in a resistance smelting furnace pot; (2) making the molten liquid material flow from a melting pot to a centrifugal machine; (3) making the centrifugal machine rotate at high speed, throwing away the liquid material through a throwing outlet on the centrifugal machine to form fiber; (4) spraying glue on the thrown fiber, entering a cotton collting box for clothing cotton to form the aluminum silicate fiber collodion cotton; (5) compacting the aluminum silicate fiber collodion cotton through upper and lower double net bands to form a collodion cotton blank, and (6) preparing the cotton blank into plate-like, felted or tubular objects, entering an oven to mould the aluminum silicate fiber plate, felt and tube. According to the invention, the fiber is effectively stretched by adopting a centrifugal principle, and slag balls effectively drop off, so the aluminum silicate fiber collodion cotton has the advantages of less slag ball content, small volume-weight, long and thick fiber, strong tensile strength and excellent elasticity. According to the invention, the waste is effectively utilized as raw materials so as to save the production cost.

The invention relates to aqueous bead coating gluewater used in an elastic woven material and a use of the same. The compositions in percentage by weight of the aqueous bead coating gluewater are: 80 to 99 percent of aqueous urethane resin, 0.2 to 7 percent of antifoaming agent, 0.1 to 7 percent of wetting agent and 0.1 to 9 percent of thickening agent; or 80 to 95 percent of aqueous urethane resin, 0.2 to 2 percent of antifoaming agent, 0.1 to 2 percent of wetting agent, 0.1 to 3 percent of thickening agent and 1 to 19 percent of aqueous color paste; the solid content in the aqueous urethane resin is equal to or more than 40 percent, while the extensibility is equal to or more than 600 percent; and at 20 DEG C room temperature, the viscosity of the bead coating gluewater is of between 14,000 to 18,000cps. The aqueous bead coating gluewater does not contain solvents such as NMP, DMSO and DMF, and accords with the requirements of environmental protection; moreover, the thickness of a gluewater coating is easy to control, and a film coating has excellent adhesive force on various aquatic sports clothing materials and resists seawater immersion.

The invention relates to aldehyde-free odorless environment-friendly and transparent polyvinyl alcohol (PVA) glue and a preparation method thereof, and can effectively solve the problem of complex technology or containing of harmful substances such as aldehydes in the prior art. The technical scheme includes that the glue is produced by the PVA, water, a modifier and a preservative, wherein, by weight, the PVA accounts for 1-15% of the glue, the modifier accounts for 0.5-10% of the PVA, the preservative accounts for 0.01-0.05% of the PVA and the balance water. The method includes mixing the PVA with the water at a room temperature of 18-25 DEG C, heating up to 85-100 DEG C after evenly stirring, cooling to 45-80 DEG C after completely dissolving, adding in the modifier and modifying for 0.5-2 hours at a temperature of 45-85 DEG C, cooling to the room temperature of 18-25 DEG C, adding in the preservative, and obtaining the glue. According to the PVA glue and the preparation method thereof, the reaction condition is relatively mild, the operation is simple, the glue is aldehyde-free, odorless, transparent, innovative, high in viscosity, low in production cost and prone to industrial production.

The invention discloses a printing and flocking process capable of improving elasticity of specific portions of cloth. The printing and flocking process includes spraying a mold release agent onto the upper surface of a clean platen, printing first glue, laying cloth on the first glue, printing second glue on the cloth, electrostatically flocking the second glue, turning over the cloth, and electrostatically flocking the first glue to obtain a flocky product. The first glue and the second glue have high elasticity and adhesion force. Stripes, patterns or characters can be printed on the first glue and the second glue. The printing and flocking process has the advantages that the elasticity of the cloth can be enhanced in any directions according to ergonomics, adhesion force is high, less proneness to delaminating is achieved, and the edge of the cloth is not loosened; flocking modes are rich, flocking quality and breathability are high, and strapping lines are avoided when a user wears clothes made from the flocky product.

The invention discloses glue. The glue comprises urea resin, polyimide, ethylacrylic acid ester and polyurethane. A weight ratio of the urea resin to the polyimide to the ethylacrylic acid ester to the polyurethane is 2-4:1-3:2-3:2-6. The glue has the advantages that the glue is made of natural biological raw materials and is free of formaldehyde release, applicable to shaving board processing technologies, excellent in the bonding strength and nail holding power and good in machining performance, and the traditional aldehyde-containing glue is completely replaced.

The invention relates to a mop provided with a self-water-squeezing foamed cotton head. The mop comprises a mop rod and the foamed cotton head, and is characterized in that the foamed cotton head is rotatably connected to the lower end of the mop rod, a water squeezing handle is arranged on the mop rod, the water squeezing handle and the mop rod can slide vertically relatively, the water squeezinghandle is connected with a water squeezing head through a connecting rod, the water squeezing head is provided with a penetrating opening with the appearance being matched with that of the cross section of the foamed cotton head, the foamed cotton head can be rotated to be parallel to the mop rod and opposite to the penetrating opening, and a squeezing part for squeezing water of the foamed cotton head which passes through the penetrating opening is arranged in the penetrating opening. For the mop provided with the self-water-squeezing foamed cotton head, the water squeezing method of the traditional collodion mop is changed, the foamed cotton head can be enabled to rotate freely relative to the mop rod, and meanwhile, a good water squeezing effect is guaranteed.

The present invention belongs to the field of industrial glues, and particularly relates to a strong glue mainly comprising the following raw materials: by weight, 30-45 parts of formaldehyde, 15-25 parts of urea, 2-5 parts of polyvinyl alcohol, 35-60 parts of distilled water, 15-25 parts of a formaldehyde removing agent, 1-3 parts of sodium hydroxide, 1-2 parts of hydrochloric acid and 0.5-1 part of a mould inhibitor. The strong glue is safe, environmentally friendly, simple in production process, low in cost and strong in adhesive fastness, has high temperature resistance and good ageing resistance, is non-corrosive, rapid in adhesion and non-stripping, and can be commonly used in industry, construction, decoration, electronics and electronic appliances, automobile manufacturing, shipbuilding, instruments, machinery, transportation, light textiles, shoemaking, printing, locomotives, vehicles, household electrical appliances, motor manufacturing and other fields.

A process for preparing the tungstate nanofilm includes such steps as preparing the solutions of metal salt and tungsten source, sequential adding cyclohexane and tween-80, stirring, adding pentanol, stirring, quickly mixing both together, stirring, laying aside for 1 2hr, adding acetone for elemulsifying, centrifugal separation of deposit, washing deposit by absolute alcohol, acetone and distilled water sequentially, storing in absolute alcohol, removing supernatant, stirring, adding collodion, stirring, immersing glass substrate in it, pulling it up at 35 mm/min, drying in air, putting it in muffle furnace, holding temp at 200 deg.C for 30 min and than at 500 deg.C for /hr, and annealing.

The invention provides a medical adhesive. The medical adhesive is mainly composed of glutaraldehyde and gelatin. Under the condition of 30-70°C and the mass ratio of glutaraldehyde aqueous solution to gelatin aqueous solution is 0.01-2, it reacts for 5-100 seconds to form gel Glue, the gel is used as a medical adhesive for bonding biological tissues during the generation process. After the gel is generated, it will no longer adhere to other biological tissues. The adhesive strength of the gel is 20gf/cm ² Above, the gel tensile strength is 20gf/cm ² Above, the water content of the gel is 80% to 95%. The mass concentration of the gelatin aqueous solution is 5%-40%, and the mass concentration of the glutaraldehyde aqueous solution is 0.01%-10%. The adhesive of the present invention is immersed in a phosphate buffer solution with a weight ratio of 5 times, soaked at 37° C. for 1 minute, and the extracted glutaraldehyde concentration is 0-50 μg/mL. The medical adhesive has excellent biological safety and strong adhesion, and is suitable for surgical operations as a surgical adhesive to adhere biological tissues, and can also be used as a hemostatic material, an air leakage prevention material, a tissue repair material, a regenerative medical support, etc.

The invention discloses dye color paste for joint dye and gold stamping printing of nylon fabric and a production technology. The dye color paste comprises acid color paste and gold stamping paste, wherein the acid color paste comprises acid dye, ammonium sulfate, urea, glycerol and PS-22 aleurone; the gold stamping paste adopts BT-20 gold stamping glue; and the dye color paste per Kg comprises the following raw materials: 1-50g of acid dye, 20-40g of ammonium sulfate, 30-70g of urea, 10-30g of glycerol, 110-130g of PS-22 aleurone and the balance of BT-20 gold stamping glue. The dye color paste combines an acid dye printing technology and a gold stamping printing technology, a fabric surface keeps white and does not become yellow, the dye color paste endows the nylon fabric with a higher-end and gracious feeling, and a produce value is higher.

The invention relates to a method for producing plush roller brush, wherein said method comprises heating PP corn tube to fuse its outer surface, coiling the plush on the corn tube. The invention directly heats PP tube without adhesive, to fuse the outer layer with plush naturally, which will be fixed in cooled condition. The invention can avoid harmful gas and the solvent problem that drops plush. And the product has long service life and low cost.

The invention relates to a method of colloxylin embedding used insurgery and its application in fault anatomy research, which includes the steps that (1) choose specimen anywhere of corpse fixation by formaldehyde; (2) specimen decalcification : use 10% hydrochloric acid to soak specimen fifteen to thirty days; (3) combine colloxylin embedding method with L-type microtome to prepare continuous fault section. Its effect is that compared with common tissue slice, the fault section has continuity and no loss, whose thickness can be chosen willingly during 25mum to 30mum match magnetic resonance image, and it can show clearly any adjoining structure of fault dissection and reflect local fault anatomy relationship of significant clinical meaning. Being five to ten times larger than common fault section observation range and one twentieth to one tenth of thickness, the manufacture of fault section has optimized preservation method of colloxylin section.