150results about How to "Improve fixation effect" patented technology

The invention discloses a preparation method and an application of an aromatic microcapsule finishing agent with double-layer wall materials. The method is characterized by preparing the aromatic microcapsule through covering the lavender essence oil capsule core material with the melamine-formaldehyde resin cyst wall and mixing the aromatic microcapsule with an adhesive (VAE) vinyl acetate-ethylene solution as the external wall material, thus generating the aromatic microcapsule finishing agent with double-layer wall materials. Aroma after-finishing on is carried out on the cotton fabrics by adopting the finishing agent and a padding method and the aromatic microcapsule is firmly fixed on the fibers of the cotton fabrics via own external wall with good adhesiveness, so the cotton fabrics have lasting aroma.

The present invention aims to provide an ink for ink jet recording that is excellent in storage stability and discharge stability and attains high coloration on regular paper or gloss paper and high glossiness on gloss paper. The ink for ink jet recording of the invention includes: water; and a pigment dispersed by using a polymer which is obtained by polymerizing at least 50% by weight or more of benzylacrylate and 15% by weight or less of (meth)acrylic acid as components of the polymer and has an acid value of no less than 50 mgKOH/g and no more than 120 mgKOH/g and a weight average molecular weight of no less than 10000 and no more than 120000.

The invention relates to a medical dressing, in particular to a novel foam composite wound dressing. The novel foam composite wound dressing includes a water absorbing layer and a water locking layer arranged above the water absorbing layer in a covering manner, wherein a transitional layer is arranged between the water absorbing layer and the water locking layer, a waterproof layer is arranged above the water locking layer in a covering manner, and a polyurethane film layer is arranged below the water absorbing layer. The novel foam composite wound dressing is neither toxic nor irritating to human bodies; moisture around a wound can be quickly absorbed through the water absorbing layer, and absorbed and locked through the water locking layer, which prevents the moisture backflow, guarantees a suitable temperature and a suitable humidity of the wound, prevents the soaking reaction of the skin at the application position, and achieves rapid healing of the wound; the application through silica gel achieves good fixation effect and low falling possibility, and avoids the skin injury by pulling.

The invention provides a plant oil-based offset lithographic printing ink formula and a preparation method thereof. The plant oil-based offset lithographic printing ink formula comprises, by weight, 30-35 parts of soybean oil, 19-29 parts of tung oil, 2-5 parts of soya alkyd resin, 30-35 parts of rosin-modified phenolic resin, 2-6 parts of a dry conditioning agent, 2-5 parts of a gelling agent, 18-28 parts of a pigment, 5-10 parts of a filler, 7-7.5 parts of other auxiliary agents and 2-5 parts of a drier. The preparation method comprises 1, binder preparation, 2, accessory material addition, 3, printing ink rolling and 4, re-rolling. The plant oil-based offset lithographic printing ink formula has the advantages of good rheological performances, fast curing performances, passing performances, good glossiness and good stability and is especially suitable for newspaper and periodical printing.

The invention discloses a preparation method of a nano silver chloride/chitosan fiber anti-bacterial dressing. The method includes following steps: (1) pretreatment of a surface of a chitosan fiber nonwoven cloth: spraying an acid solution onto the surface of the chitosan fiber to enable the acid solution to infiltrate into the surface of the nonwoven cloth, treating the nonwoven cloth for 1-5 min and then washing the nonwoven cloth with deionized water; (2) soaking the pre-treated nonwoven cloth in a silver nitrate solution with a concentration of 0.0048-0.036 mmol/mL with a normal-temperature shaking operation for 30 min; (3) draining the nonwoven cloth and air-drying the nonwoven cloth until the water content is 30-40%; (4) uniformly spraying a 0.036-0.27 mmol/mL sodium chloride solution having an equal saturate water absorption amount onto the surface of the nonwoven cloth, wherein molar number of the sodium chloride is 1.2-1.5 times than that of adsorbed silver, and carrying out a reaction for 5-10 min; and (5) spraying deionized water and quickly washing the nonwoven cloth, draining the nonwoven cloth and vacuum-drying the nonwoven cloth at 50-60 DEG C. The preparation method is high in silver recycle ratio. A nano silver chloride anti-bacterial material is stable in physical and chemical performances, is excellent in anti-bacterial performance or bacteria-inhibiting peroformance, is good in fixation performance of silver chloride particles to the chitosan fiber, and can be used as a medical wound dressing.

The invention belongs to the field of coatings, and discloses a hydrous silane coupling agent-polyether grafted polysiloxane polymer coating. The hydrous silane coupling agent-polyether grafted polysiloxane polymer coating comprises the following components in parts by weight: 100 parts of inorganic silicate water solutions, 1-50 parts of hydrous silane coupling agent-polyether grafted polysiloxane polymers, 10-100 parts of water, 0-40 parts of titanium dioxide, 0-40 parts of pigments, 10-50 parts of calcium carbonate, 0-50 parts of silicon dioxide, 0.05-5 parts of defoaming agents, 0.05-5 parts of dispersing agents, 0.05-5 parts of wetting agents, 0.05-5 parts of thickening agents, 0.05-5 parts of anti-freeze agents and 0.1-10 parts of film-forming auxiliary agents. The hydrous silane coupling agent-polyether grafted polysiloxane polymer coating disclosed by the invention has the advantages of abrasion resistance, acid resistance, alkali resistance (without bubbles for 168 hours), easiness for construction, good fixation effect, film-forming stability, excellent film-forming appearance, and the like and is suitable for inner and outer walls.

The invention discloses a preparation method of waterproof and moisture permeable cotton fabric, and belongs to the field of fabric coating textile technologies. The preparation method mainly comprises the following steps: firstly padding the cotton fabric that is washed with water and aired into a water repellent finishing agent, and predrying and baking to acquire the water and oil repellent cotton fabric; then performing hydrophobic modification on gaseous nanosilicon dioxide by using a silane coupling agent; adding the improved hydrophobic gaseous nanosilicon dioxide, polyethylene piroxanone, a metallic soap defoamer, an anionic cross-linking agent, an associated thickener into waterborne polyurethane, and thus acquiring a modified waterborne polyurethane coating agent under the condition of stirring at certain temperature; finishing coating of the cotton fabric that is subjected to water and oil repellent treatment with the coating agent, and thus acquiring the cotton fabric withthe coating having waterproof and moisture permeable functions. The prepared fabric can prevent liquid water molecules from entering under certain pressure, meanwhile can enable vapor water moleculesto penetrate through, and thus has good waterproof and moisture permeable effect.

The invention discloses a welding fixture for high-low voltage power distribution cabinet production. The welding fixture comprises a fixing frame, mounting plates are fixedly connected to two sides of the top face of the fixing frame respectively, a containing mechanism is fixedly connected to the top faces of the two mounting plates, the containing mechanism comprises a rectangular frame, and electric telescopic rods are fixedly connected to the inner walls of the front end and the rear end of the rectangular frame respectively; supporting strips are fixedly connected to the telescopic endsof the electric telescopic rods at same ends through screws, two sides of each supporting strip are in sliding contact connection with the inner wall of the rectangular frame, adjusting grooves are formed in the ends, close to each other, of the two supporting strips, two right-angle fixing blocks are slidably connected into each adjusting groove, sliding grooves are further formed in the front side and the rear side of the top face of the rectangular frame, and vertical plates are arranged on two sides of the rectangular frame. The welding fixture is reasonable in design, capable of achievingrapid fixing of electric control cabinet plates of different specifications, wide in application range and high in fixing speed of the electric control cabinet plates, and the electric control cabinet welding work efficiency is greatly improved.

The invention discloses a composite herbicide for eliminating barnyard grass. The composite herbicide comprises the following components in parts by weight: 3 to 6 parts of mesotrione, 0.5 to 1 part of penoxsulam, 1 to 3 parts of pyribenzoxim, 0.8 to 3 parts of flucetosulfuron, 10 to 15 parts of quinclorac, 2 to 5 parts of cyhalofop-butyl, 0.2 to 0.6 part of metribuzin, 15 to 18 parts of fentrazamide, 4 to 8 parts of pyrazosulfuron-ethyl, 0.004 to 0.008 part of ferulic acid, 0.004 to 0.008 part of p-hydroxy benzoic acid, 1 to 4 parts of penetration enhancer, 7 to 10 parts of surfactant, and 10 to 12 parts of safener. The provided composite herbicide has high herbicidal efficiency.

The invention discloses a self-sinking suction anchor, which comprises an anchor body, wherein radially arranged telescopic hooks are arranged on the anchor; a symmetrically arranged inward concave movable cavity which can accommodate part of telescopic hooks is formed on the anchor body; a convex structure is formed near the bottom of the movable cavity, and stopping hooks are formed near the end parts of the telescopic hooks in the movable cavity; the top end of the anchor body has a through hole which runs through to the movable cavity; a spring is arranged on the part, which is close to the movable cavity, of the through hole; one end of the spring is connected with the end part of the telescopic hooks in the movable cavity, and the other end of the spring extends into the through hole and is sealed and fixed by a sealing and fixing screw in the through; and the top end of the anchor body is provided with a connecting ring. When the anchor body sinks, the telescopic hooks enter a seabed by a small acute angle to facilitate sinking. When under a pull force in an opposite direction, the telescopic hooks open transversely and are finally pressed to contract to deep positions in the movable cavity, so that a large stress area which is benefit for fixation is formed. The anchor has the advantages of variable resistance and desirable fixing effect.

The invention discloses an efficient high-temperature curing technology of silicon carbide seed crystals. The technology is characterized in that the silicon carbide seed crystals are cured under hightemperature through a crucible jig which is provided with a cover, a crucible cover, a crucible, a chassis, a chassis temperature measuring hole and an air hole; every two adjacent air holes of the air holes form an inverted Z shape; intermediate axes of the two holes are correspondingly inclined by 5-15 degrees relative to a horizontal line and are intersected and connected in the center of thecrucible wall. The method comprises the following steps: adhering the silicon carbide seed crystals to the crucible cover through a carbon-rich adhering agent; sequentially overlapping the crucible and the crucible cover adhered with the seed crystals from the chassis; closing the cover; transferring the crucible jig into a high-temperature furnace; vacuumizing the crucible jig; charging argon into the crucible jig; heating the crucible jig through a water cooling type induction coil or a resistor; and graphitizing carbon paste to realize efficient high temperature curing of the silicon carbide seed crystals. With the adoption of the technology, the seed crystals can be greatly adhered and completely cured; the defects are small; and the subsequent crystal growing quality is high.

Disclosed is an aqueous ink composition for dyeing polyamide-based fibers which comprises: at least one kind of dye arbitrarily selected from dyes of three categories including acid dyes, direct dyes and reactive dyes; a compound which is represented by formula (1) [wherein X1, X2, X3 and X4 independently represent each a hydrogen atom or a methyl group; and j, k, m and n represent numbers, provided that the sum thereof is 4 to 40 inclusive] and has an average molecular weight of 340 to 2200; and ethylene glycol. Also disclosed is a method for producing a dyed polyamide-based fiber which comprises a step for applying said aqueous ink composition to a polyamide-based fiber by using an inkjet printer. Thus, it is possible to provide a dye ink for dyeing polyamide-based fibers, which has a high ejection stability in a printer equipped with an industrial inkjet head requiring a high-viscosity ink, has a high storage stability of the ink and shows a good fixability to fibers.

The invention relates to feather protein viscose filament yarn and a manufacturing method thereof. The invention belongs to the material field of textile industry. According to the invention, feather protein liquid and a cellulose sulfonate solution with a weight ratio of 1-40%:60-99% are adopted; the materials are subjected to static blending, spinning, solidifying, and post-processing, such that the feather protein viscose filament yarn is obtained. During the production process, a protein loss of the feather protein viscose filament yarn is lower than 30%. After 50 times of washing upon a finished product, a fiber protein loss rate is no higher than 5%. According to the invention, the feather protein viscose filament yarn is manufactured by using waste feathers. The fiber performance is good, the cost is low, and the raw material sources are wide. The filament yarn and the manufacturing method are beneficial for environment protection.

The invention discloses a mould-proof and moth-proof treatment agent for bamboo plaited furniture.The mould-proof and moth-proof treatment agent is prepared from, by weight, 10-15 parts of corn starch, 4-6 parts of nano zeolite powder, 2-4 parts of radix sophorae flavescentis, 2-4 parts of pericarpium citri reticulatae, 2-4 parts of herba asari cum radice, 1-2 parts of folium artemisiae argyi, 1-2 parts of radix isatidis, 1-2 parts of herba schizonepetae, 0.5-1 part of platycodon grandiflorum, 10-15 parts of waterborne polyurethane emulsion, 1-2 parts of maleic anhydride, 3-5 parts of 30% hydrogen peroxide, 0.3-0.5 part of tea saponin, 10-15 parts of a silica sol modifying agent and 40-50 parts of water.The treatment agent for bamboo plaited furniture is capable of effectively improving the dyeing performance of bamboo plaited furniture and preventing color crossing and color cast, high in color fixation capacity, capable of well protecting the surface of bamboo plaited furniture and reducing color fading and losing, large in adhesive force, good in mould-proof and moth-proof performance, environmentally friendly and high in practicability.

The invention discloses a silk weight gaining method adopting a sol-gel method to fix sericin, which includes the following steps of: 1) impurity removal and clearing treatment of silk; 2) preparation of finishing liquid of sol; and 3) fixation and finishing of sericin: silk made by the step 2 is fixed and finished by finishing liquid of sol according to a secondary leaching and rolling method so that liquid carrying rate of silk can reach sixty percent to one hundred percent; then finished silk is aged for zero to twenty four hours at normal temperature; finally the silk is baked for ten to sixty minutes at a temperature between 120 and 180DEG C. The silk weight gaining method has the advantages of safety, environmental protection and effective fixation of silk.

The invention discloses silk-screen printing ink. The silk-screen printing ink is prepared from, by weight, 15-25 parts of pigments, 25-40 parts of a binder, 45-70 parts of solvent, 1-3 parts of calcium carbonate, 1-3 parts of a defoaming agent, 1-3 parts of a leveling agent, 2-7 parts of a 5A molecular sieve, 1-3 parts of fumed silica, 2-7 parts of a dispersing agent, 0.5-1.5 parts of an adhesion promoter, 2-5 parts of gummy oil, 1-3 parts of a slipping agent, 1-4 parts of barium sulfate, 1-3 parts of hydrotalcite and 1-3 parts of a light stabilizer. According to the silk-screen printing ink, adhesion of ink can be enhanced, the ink penetration and ink fusion phenomena of the ink are prevented, the chemical stability is high, the storage time is long, the printing property is stable, the uvioresistant capacity and the antioxidant capacity are high, and wear resistance is achieved.

It is an object of the present invention to provide an ink jet recording ink composition with good reliability and print quality, a high OD value, and good fixability that affords excellent smear resistance. This object is achieved with the present invention by providing ink jet recording ink composition comprising at least a self-dispersing pigment and two types of resin particles with mutually different properties. The above-mentioned two types of resin particles are two types of resin particles whose glass transition points, average sizes, minimum film-formation temperatures, zeta potentials, and other such properties are mutually different. The present invention also provides a recording method, wherein the above-mentioned ink composition is used to form an image on a recording medium, and provides recorded matter comprising an image formed on a recording medium using the above-mentioned ink composition.

The invention discloses a treating agent with an air purification function for bamboo-plaited articles. The treating agent is prepared from the following raw materials in parts by weight: 10-15 parts of corn starch, 2-4 parts of nanometer magnesia, 1-2 parts of nanometer titania, 0.1-0.2 part of catechin, 10-15 parts of a water borne polyurethane emulsion, 0.3-0.5 part of polyethylene glycol monolaurate, 1-2 parts of maleic anhydride, 3-5 parts of 25-30% hydrogen peroxide, 0.3-0.5 part of pectin, 10-15 parts of a silica sol modifier and 40-50 parts of water. The treating agent for the bamboo-plaited articles, provided by the invention, not only can effectively improve the dyeing property of the bamboo-plaited articles, can prevent cross color and color loss, and has a strong color fixation performance, but also can play a favorable protection role on the surfaces of the bamboo-plaited articles, can reduce color fading and losing, has a strong adhesion force, and has the auxiliary functions of decomposing harmful substances in air and purifying air, thereby being environment-friendly and strong in practicability.