33results about How to "Improve weather resistance and aging resistance" patented technology

The invention discloses a pressure sensitive adhesive for a protective film and a preparation method thereof. The pressure sensitive adhesive is formed by polymerizing acrylic monomers through radicals, wherein the acrylic monomers comprise the following components in percent by weight: 30-50 percent of acrylic soft monomer, 5-20 percent of acrylic hard monomer, 0.5-2.5 percent of acrylic functional monomer, 0.5-2.5 percent of acrylic crosslinking monomer, 40-60 percent of solvent, 0.2-2.0 percent of initiating agent and 0.01-0.2 percent of chain transfer agent. The adhesive has higher initial adhesion and permanent adhesion and excellent weather-proof and aging-resisting performances and can meet the requirement of a protective film adhesive with higher strength requirement.

The invention discloses a 125 DEG C irradiation crosslinking type halogen-free flame-retardant polyolefin cable material for a photovoltaic cable and a preparation method of the cable material. The cable material is prepared from, by mass 20 to 50 parts of an ethylene-vinyl acetate copolymer, 20 to 40 parts of linear low density polyethylene, 5 to 20 parts of metallocene catalyzed polyethylene, 10-20 parts of a POE elastomer, 6-12 parts of maleic anhydride graft, 4-8 parts of silicone masterbatch, 80-120 parts of a halogen-free flame retardant, 5-15 parts of a nano flame retardant synergist, 1-2 parts of a surface treating agent, 1-4 parts of an antioxidant, 0.8-2 parts of a cross-linking sensitizer, 0.5-1.5 parts of a lubricant and 0.3-2 parts of a light stabilizer. The cable material hasgood mechanical property, electrical insulation property, flame retardant property, weather resistance, aging resistance, scratch resistance, acid and alkali resistance and processability, and a photovoltaic cable prepared from the cable material can meet the requirements of German 2Pfg1169 and European EN50618 standards after being subjected to irradiation processing; the preparation method hasthe advantages of simple operation, high production efficiency and high process automation, and is beneficial to plasticization and dispersion of each raw material component.

The invention discloses aqueous building pure acrylic emulsion and a preparation method thereof, which belongs to the technical field of paint and is improved based on the prior art. The emulsion is synthesized with the materials by the following weight percent: 65 to 75 percent of de-ionized water; 10 to 15 percent of methyl methacrylate; 10 to 20 percent of butyl acrylate; 1 to 5 percent of methacrylic acid; 0.4 to 1 percent of OP-10; 0.1 to 0.5 percent of sodium dodecyl benzene sulfonate; 0.1 to 0.6 percent of potassium persulfate; 0.1 to 0.5 percent of sodium bicarbonate; 0.1 to 0.5 percent of reactive emulsifying agent; and 0.1 to 0.2 percent of ammonia. The aqueous building pure acrylic emulsion has the advantages of acid resistance, alkali resistance, excellent imperviousness, excellent low temperature flexibility, weatherability and ageing resistance, proper viscosity of pure acrylic emulsion, high stability, simple synthetic process, low price, no environmental pollution and meeting the technical requirement of aqueous building pure acrylic emulsion, thus being very promising in application in market.

The invention discloses a production method of water-in-water colorful paint containing color sand. The production method comprises the following steps: (a), preparing a protection glue solution; (b), producing basic slurry; (c), matching the color of the basic slurry; (d), performing color point granulation; (e), producing coating gloss oil; (f), producing finished paint. Granite-shaped particle containing particles are formed on the surface of the paint produced by the method, imitated-marble granite paint can be prepared from the paint, formed patterns are simple, artistic and elegant, and the paint prepared by the method is level in surface and not easy to form ash deposition, can keep the overall appearance longer, and has stain resistance; the special coating gloss oil can keep the color on the surface of the paint to be permanent and fresh, and has weather resistance; the paint is high in water resistance and rot resistance, is neither absorbed by a wall surface nor damaged in rainy days, and can protect the overall shapes of buildings.

The invention discloses high-stability concrete silicone joint glue and a preparing method thereof. The joint glue is prepared, by mass, 100 parts of alpha,omega-dihydroxyl polydimethylsiloxane, 50-150 parts of packing, 0.5-10 parts of thixotropic agent, 0.5-10 parts of chain extender, 5-15 parts of curing agent, 0.1-5 parts of thickening agent, 0.01-3 parts of catalyst and 1-10 parts of liquid chemigum. The alpha,omega-dihydroxyl polydimethylsiloxane, the thixotropic agent and the packing are made into a base material in a kneading machine, then the base material is transferred into a high-speed dispersing machine, residual raw materials are added, a reaction is conducted, and the joint glue is obtained. According to the high-stability concrete silicone joint glue and the preparing method thereof, the silicone joint glue is modified through the liquid chemigum, the specific chain extender is adopted, permanent toughness and the mechanical property retention rate are given to the joint glue, a plasticizer is not transferred, adhesion is not damaged, meanwhile, the adhesion strength is greatly improved, the ageing resistance is good, environmental friendliness is achieved, and pollution does not exist.

The invention discloses water-in-water multicolor paint containing color sand. The water-in-water multicolor paint comprises color-sand-containing basic paint, a protective glue solution, cladding gloss oil and an addition agent; basic slurry is prepared from the following raw materials in parts by mass: 200-400 parts of water, 3-8 parts of cellulose ether, 7.5 parts of propylene glycol, 1 part of a moist dispersing agent, 1 part of a PH adjusting agent, 10 parts of a film-forming addition agent, 1 part of an antifoaming agent, 80-130 parts of a kaolin and heavy calcium powder mixture, 1-2 parts of barium metaborate, 200-400 parts of an acrylic emulsion, 1 part of bactericides, 1 part of a dispersing agent, 1 part of a stabilizing agent, 50 parts of 6.5% protective glue, 0.5-1 part of aqueous polishing paste, and 1-2 parts of sodium phosphate tripolymer. The water-in-water multicolor paint is level in surface and not liable to cause ash deposition, can maintain whole appearance for a long term, and has dirty resistance. The specially-made cladding gloss oil can maintain the color of the surface of the water-in-water multicolor paint containing color sand bright for a long time, and has weather resistance. The water-in-water multicolor paint has good water resistance and anti-corrosive properties, and protects the whole modeling of a building. Shaped patterns are plain, and elegant in appearance. Besides, the water-in-water multicolor paint has good stability and extremely high market economy value.

The invention discloses a nanometer bi-layer film biogas digester material, which is composed of the following components: PVC (polyvinyl chloride) resin, DOP (Dioctyl-Phthalate), DBP (dibutyl phthalate), a stabilizing agent, an antioxidant, an anti-UV (ultraviolet) agent, nano calcium carbonate, modified red mud and other accessory ingredients, wherein the components are subjected to the calendering technology, the fitting technology and the surface treatment technology, and two groups of single-surface surface-treated single-layer biogas digester materials are combined to obtain the bi-layer biogas digester material. The nanometer bi-layer film biogas digester material has the advantages that nano calcium carbonate and the modified red mud are adopted to serve as filling agents, thus the weather resistance, the aging resistance and the like of a PVC film are improved and the service life of the bi-layer film biogas digester material is prolonged; the acrylate coating is used for surface treatment, thus the weather resistance and the aging resistance of the bi-layer film biogas digester material are improved; and because of adopting the bi-layer film structure, the inner-layer film has excellent air impermeability and chemical corrosion resistance, and the outer-layer film has good physical and mechanical property and aging resistance so as to prevent the inner-layer film from being damaged by the external environment.

The invention discloses an ecological and environment-friendly high-performance garden pavement material. The ecological and environment-friendly high-performance garden pavement material is prepared from, by weight, 7-9 parts of asphalt, 10-14 parts of fibrous material, 2-4 parts of reinforcer, 3-5 parts of hardener, 6-8 parts of inorganic binder, 7-9 parts of coarse aggregate, 6-8 parts of white cement gum, 7-9 parts of fine aggregate and 6-10 parts of mineral powder. The ecological and environment-friendly high-performance garden pavement material has the advantages of being high in mechanical strength, capable of preventing cracking and good in water permeability, and is small in cement use amount, nonpoisonous and tasteless and good in weather resistance and ageing resistance; the adopted raw materials are environmentally friendly, low in cost and easy to obtain, the process is simple and clear, and the ecological and environment-friendly high-performance garden pavement material has high practical value and good application prospects.

The invention discloses an antimicrobial wood softener containing nanometer titanium dioxide. According to the wood softener, traditional aqueous ammonia, sodium potassium tartrate tetrahydrate, quaternary ammonium salt of chitosan and the like are mixed to prepare a fundamental softening solution, and sericin powder and the nanometer titanium dioxide are added to the fundamental softening solution. Because nanometer particles permeate the wood, the strength of wood can be effectively improved, and the weather-proof performance and the ageing-resistance performance can be improved. Meanwhile, the nanometer titanium dioxide has a certain antimicrobial property. Because sericin adheres to the surface of fiber after cross-linking and solidity, the effects that the breathability of the fiber is improved and the wood is friendlier to the skin are achieved. The softened wood is better in plasticity, and dried and solidified workpieces are high in strength, resistant to bacteria, friendly to the skin and not prone to discoloring and ageing. Therefore, compared with a traditional treatment method, the antimicrobial wood softener containing the nanometer titanium dioxide is more efficient, and the additional use value of the wood is improved.

The invention relates to phosphorus-free environmental-friendly metal surface pretreatment liquid and a utilization method thereof. The phosphorus-free environmental-friendly metal surface pretreatment liquid is prepared from, by weight, 3-18 parts of a metal compound, 5-60 parts of water-based resin dispersion, 1.5-6 parts of a coupling agent, 0-5 parts of a light stabilizer, 0-7 parts of a water-repellent agent, 1-3 parts of ammonium fluoroborate and deionized water which accounts for 60-65% of the weight of the whole components, wherein the water-repellent agent is hydrophobic Y2O3 with a micro-nano structure. The invention also relates to application of the phosphorus-free environmental-friendly metal surface pretreatment liquid to metal surface treatment, in particular to application to metal surface treatment of galvanized steel plates, aluminum plates or copper plates.

The invention discloses a special material for a nylon sleeve. The special material comprises the following components in weight ratio: 49.5-90% of nylon 6, 1-35% of an anti-freezing agent, 1-10% of enhancer, 0.1-5.0% of antiager, 0.3-1.5% of antioxidant, and 0.3-5.5% of other assistants. The special material for the nylon sleeve, provided by the invention, can tolerate the low temperature of negative 40 DEG C and still keep good toughness, is easy to scale up to industrial production, is greatly increased in rigidity, weather resistance, age resistance and wear resistance, is convenient to produce, process, and procure, and adopts domestic materials and domestic manufacturing equipment, thereby being greatly improved in competitive power.

The invention discloses a fire-resistant sheath for a novel display wire harness. The fire-resistant sheath is prepared from the following raw materials in parts by weight: 60-76 parts of AES resin, 15-30 parts of syndiotactic polypropylene, 7-15 parts of modified montmorillonite, 4.5-9 parts of zircon powder, 7-13 parts of cork powder, 2.5-6 parts of asbestos wool, 5-11 parts of calcium silicatetailings, 2-5.5 parts of carbon whiskers, 1-3.5 parts of bis(2-methoxyethyl) phthalate, 2-6.5 parts of zinc isooctanoate, 1-3 parts of poly ether ether ketone and 0.5-2 parts of glyceryl monostearate.The fire-resistant sheath has excellent fire resistance.

The invention discloses a chromium-free fingerprint-resistant environment-friendly coating and a preparation method thereof. The chromium-free fingerprint-resistant environment-friendly coating is prepared from the following components in parts by weight: 45 to 60 parts of Lanbda-cyhalothric acid modified hyperbranched poly (urethane-amine) with a hydroxyl group as an end group and with a vinyl group in an internal branched unit, 10 to 15 parts of a functional film-forming polymer, 0.5 to 1.5 parts of a water-soluble initiator, 5 to 8 parts of a hydroxyl-terminated hyperbranched nano-hybrid polymer HB-SiO2, 0.3 to 0.5 part of a wetting agent, 0 to 4 parts of a cosolvent, 1 to 2 parts of a de-foaming agent and 30 to 40 parts of water, the functional film-forming polymer is a copolymer which is generated by carrying out a copolymerization reaction on benzotriazole-1-carboxythioacid allyl amide, N-(4-cyano-3-trifluoromethylphenyl) methacrylamide, polyethylene glycol monoallyl ether and glycidyl methacrylate. The invention also provides a preparation method of the chromium-free fingerprint-resistant environment-friendly coating. The chromium-free fingerprint-resistant environment-friendly coating provided by the invention is remarkable in fingerprint-resistant effect, good in comprehensive performance and performance stability, good in environmental protection property and corrosion resistance and strong in adhesive force with a base material.

The invention discloses a rope coating layer in the technical field of coating layers. The rope coating layer contains the following components in percentage by mass: 5%-20% of polyether 210, 3%-5% of isocyanate, 0-1% of dimethylolpropionic acid, 0-0.5% of trimethylolpropane, 0-2% of triethylamine, 1%-6% of acetone, 0-5% of an emulsifying agent, 5%-15% of butyl acrylate, 5%-10% of methyl acrylate, 0-3% of acrylic acid, 0-5% of methyl methacrylate, 10%-15% of a polytetrafluoroethylene emulsion, 5%-10% of an initiator and the balance of water. The rope coating layer has the beneficial effects that the formula compatibility is reasonable, and the process is rigorous; the performance of the product is improved, the rope coating layer is high in adhesive force, large in cohesion and stable in performance and has wear resistance, weather resistance, aging resistance and corrosion resistance, and the service life of a rope is greatly prolonged.