44results about How to "Improve safety and environmental performance" patented technology

The invention relates to the field of high molecular sealing materials and discloses a single-component silane modified polyether sealant composition and a sealant prepared from the single-component silane modified polyether sealant composition. The single-component silane modified polyether sealant composition disclosed by the invention is prepared from silane modified polyether resin, alkoxy terminated polydimethylsiloxane, a plasticizing agent, reinforcing filler, a water removal agent, a light stabilizing agent, an ultraviolet absorbent, a coupling agent and a catalyst. The sealant disclosed by the invention has the advantages of good smell, good ageing resistance, high recovery rate and the like.

The invention relates to intaglio compound printing ink, in particular relates to lipophilic polyurethane printing ink and a preparation method thereof, and belongs to the field of printing ink. In order to overcome the technical defects of big smell, more residual solvent and poor resin fastness of the printing ink in the prior art, the invention provides the lipophilic intaglio compound printing ink and the preparation method thereof. The lipophilic intaglio compound printing ink has excellent early dry performance and tinting strength, is very suitable for automatic packaging and has a good industry popularization value, and the friction coefficient is between 0.6 and 0.7.

The invention discloses a high-strength polyolefin foaming material as well as a preparation method and application thereof. The high-strength foaming material is prepared by partially or totally replacing a filler with a fibrous or flake reinforced material, and the mechanical strength of the whole foam mat is improved by utilizing one-dimensional strength of a fiber material or two-dimensional strength of a sheet material, so that the foam mat meets the tension-torque national standard. The tension-torque test of the prepared finished product far exceeds the national toy standard (70N), thehardness of the foam mat is almost the same as that of an ordinary foam mat when the tension-torque, tensile strength and rebound resilience are improved, and the service performance is not changed; the preparation material does not contain formaldehyde, a plasticizer and any other harmful substance, the problem that dioxin is produced from chlorides is solved, and the safety and environmental performance are high; the preparation method can be directly applied to an original production line, the technological process is not increased, and the method is suitable for industrial production; andthe production and improvement cost is reduced.

The invention discloses a method for preparing an artificial plate adhesive and belongs to the field of adhesives. According to the artificial plate adhesive, an extract of ginkgo seed coat and nano zinc borate are used; due to substances such as ginkgolic acid and phenol in the ginkgo seed coat, the security and environment protection properties of a wooden product can be improved, and the livingenvironment can be protected; due to addition of the nano zinc borate, the decomposition reaction process and directions of wood can be changed, and pyrolytic reactions of the wood can be developed to generate relatively rich charcoal; meanwhile, a substrate is covered by generated molten boric oxide, so that the flame retardancy of the wooden product can be improved, and the body security can befurther improved. By adopting the method, the problems that a great amount of an adhesive is used in conventional artificial plate production, most adhesives are good in combination property, but poor in function and thus the formaldehyde release amount of an artificial plate is kept at a high level and the living environment can be deteriorated, can be solved.

The invention discloses compostable full-degradable disposable tableware and a preparation method thereof, which relate to the field of biodegradable materials. The compostable full-degradable disposable tableware is prepared from the following raw materials in parts by mass: 100 parts of aliphatic polyester resin, 0-40 parts of filler, 0.5-5 parts of compatilizer, 0.5-5 parts of chain extender, 0.01-1 part of initiator, 0.5-3 parts of grafting monomer, 1-4 parts of lubricant and 0.3-0.6 part of antioxidant. The preparation method comprises the following steps of preparing a required filler and a compatilizer, putting the filler and the compatilizer into a high-speed mixer for mixing at the temperature of 50-90 DEG C for 10-30 minutes, and discharging, adding the mixture into a continuousinternal mixer, carrying out internal mixing at 90-140 DEG C for 2-3 minutes, dropping the mixture into a conical double-forced feeding machine, and feeding the mixture into a double-screw extruder for granulation, so as to obtain required formula granules, pressing the mixture into sheets by a sheet machine at 120-180 DEG C, and carrying out plastic molding as required to obtain a finished product, or directly carrying out injection molding on the formula granules through an injection molding machine.

The invention discloses a high-elasticity foam material based on a polyolefin elastomer as well as a preparation method and application of the high-elasticity foam material. The foam material with high elasticity is prepared from the polyolefin elastomer partially or wholly replacing a common polymer raw material; a prepared finished product not only is soft and has the Shore A hardness (smaller than 22) obviously superior to the Shore A hardness (more than 30) of a traditional material, but also is good in rebound resilience and high in elongation at break and has anti-fatigue and antiskid effects; in addition, molecules of the polyolefin elastomer do not contain oxidation-sensitive carbon-carbon double bonds, and therefore, the finished product has more excellent anti-aging property; theprepared material does not contain harmful substances such as formaldehyde and a plasticizer, further has no problem of dioxin generated by chlorides and is high in safety and environment friendliness; the preparation method can be directly used on an original production line without increasing technological processes and is suitable for industrial production; and the production improvement costis reduced.

The invention discloses a self-enhancement type polyolefin foaming material as well as a preparation method and application thereof. Linear low density polyethylene LLDPE is used as a self-enhancementmaterial to partially or wholly replace a traditional polyolefin material to prepare the high-strength foaming material; a specific fish-bone-shaped molecule microstructure (a regular and very shortand small branch chain structure) is utilized to increase the anti-tearing strength, so that national standards of tension and torque force are realized; a tension and torque force test of a preparedfinished product exceeds national toy standards (70 N); the tension and torque force, the tensile strength and the resilience are improved, the rigidity is almost the same as that of a common foam floor mat and the utilization performance is not changed; preparation materials do not contain harmful substances including formaldehyde and, a plasticizer and the like so that the problem that dioxin isgenerated by chloride is solved and the safety and environment-friendly performance is improved; the preparation method can be directly used on an original production line and a technological flow isnot increased, so that the production method is suitable for industrial production; the production and improvement cost is reduced.

The invention discloses interior wall latex paint containing oxidized corn starch and a preparation method thereof. The interior wall latex paint is prepared from the following raw material components in parts by weight: 4-8 parts of oxidized corn starch, 0.6-0.9 part of trimethylamine, 1-2 parts of bamboo charcoal powder, 0.2-0.4 part of photocatalyst, 12-18 parts of acetic styrene-acrylic emulsion, 0.2-0.6 part of hydroxyethyl cellulose thickening agent, 0.1-0.3 part of wetting dispersant, 0.1-0.3 part of defoaming agent, 0.6-0.9 part of coalescing agent, 6-10 parts of titanium dioxide, 15-20 parts of coarse whiting, 4-9 parts of calcined kaolin, 4-10 parts of talcum powder, 0.15-0.35 part of a preservative and 0.15-0.35 part of a mildew preventive. The preparation method comprises the following steps: sequentially preparing the oxidized corn starch and trimethylamine, adding the aids, respectively mixing and reacting, thereby obtaining the final product. The interior wall latex paint containing the oxidized corn starch has the characteristics of no toxicity and environment friendliness and has the effects of adsorbing and digesting volatile organic compounds (VOC) generated by various indoor home decorations.

The invention discloses environment-friendly wire cutting liquid. The environment-friendly wire cutting liquid is prepared from the following substances in parts by weight: 5.8 to 6.2 parts of sorbitan monooleate, 5.2 to 6.5 parts of oleic acid, 3.8 to 4.3 parts of antirust agent, 3.5 to 4.2 parts of Turkey red oil, 0.8 to 1.1 parts of potassium hydroxide, 0.6 to 1.1 parts of deionized water, 1.0to 1.4 parts of methyl alcohol, 0.01 to 0.05 part of 1H- benzotriazole, 1 to 1.2 parts of anticorrosive inhibitor, 70 to 80 parts of low-viscosity naphthenic base oil and the balance of a less amountof defoaming agent. A preparation method of the environment-friendly wire cutting liquid comprises the following steps: (1) successively adding the low-viscosity naphthenic base oil, the sorbitan monooleate, the oleic acid and the Turkey red oil into a mixing kettle according to a ratio, and then heating and stirring; and (2) then successively adding potassium hydroxide, the deionized water, the antirust agent, methyl alcohol, benzotriazole, the anticorrosion inhibitor and the defoaming agent according to a ratio, and stirring. By adopting the environment-friendly wire cutting liquid and the preparation method thereof, the safety and environment-friendly performance of the cutting liquid can be greatly improved, the overhigh temperature in a cutting region is avoided, a cut workpiece is good in heat conductivity, free from smoke and deterioration, safe, environmentally friendly, and free from peculiar smell.

The invention provides a waterborne acrylic wear-resistant road marking paint, which is prepared from the following raw materials by weight: 100-200 parts of modified acrylic resin, 1-3 parts of diacetone acrylamide, 1-3 parts of adipic acid dihydrazine, 5-15 parts of neopentyl glycol, 7-17 parts of maleic anhydride, 10-20 parts of a film-forming assistant, 10-15 parts of filler, 3-7 parts of a dispersant and 1-5 parts of a defoamer. The preparation method is simple, the raw materials are simple and easily available, the mechanical properties and wear resistance of the paint can be significantly improved, the curing time is short, and the formed film is fine and uniform, has improved strength and toughness, and beautiful appearance, therefore the waterborne acrylic wear-resistant road marking paint has broad application prospects.

The invention provides a construction adhesive and a preparation method thereof. The adhesive is composed of the following raw materials in percentages by mass: 40-60% of polyvinyl alcohol, 5-20% of epoxy resin, 5-10% of hydroxymethyl cellulose, 4-12% of vinyl acetate, 5-10% of polyacrylamide, 1-2% of potassium persulfate, 0.5-1% of N,N-dimethylbenzylamine, 3-5% of an alkaline liquid, 0.5-1% of asurfactant, 0.5-1% of a modifier, and the balance water. The adhesive provided by the invention has high-strength tensile properties, does not contain an aldehyde compound, and has high safety and environmental protection performance.

The invention discloses a medical equipment circuit board maintenance spot welding machine with a purification function, and the spot welding machine comprises a spot welding machine body; a movable workbench is arranged on the spot welding machine body, one side of the movable workbench is connected with a flue gas collecting and purifying mechanism, and the flue gas collecting and purifying mechanism comprises a flue gas purifying box. The side, close to the movable workbench, of the flue gas purification box is connected with a flue gas conveying pipe, a flue gas collecting mechanism is connected between the flue gas conveying pipe and the movable workbench, a dust removal purification mechanism is arranged in the flue gas purification box, and the dust removal purification mechanism is matched with the flue gas collecting mechanism. The corresponding smoke collecting and purifying mechanism is additionally arranged on the spot welding machine, smoke generated in the using process of the spot welding machine can be purified and filtered, the safety and environmental protection performance of the spot welding machine in the using process is remarkably improved, damage to the body health of operators is greatly reduced, the welding quality of the spot welding machine is improved, and the using effect of the spot welding machine is improved.

The invention discloses a printing ink of a woven bag, wherein the printing ink is prepared from the following raw materials in parts by weight: 30-40 parts of polyurethane-polyacrylate, 20-25 parts of ethanol, 10-15 parts of a pure acrylic emulsion, 8-10 parts of nano cellulose, 6-9 parts of a non-toxic pigment, 6-9 parts of water-borne wax, 1-3 parts of a defoaming agent, 1-3 parts of a macromolecular dispersant, and 0.5-1 part of nano Au25(SCH2CH3)18 clusters. The invention also discloses a processing technology of the woven bag, wherein the processing technology includes the steps: (1) preparing a resin solution; (2) preparing a coarse material color paste; (3) fully grinding the coarse material color paste to obtain a small-fineness colloidal liquid; (4) preparing a printing ink finished product; and (5) filtering. The polyurethane-polyacrylate non-toxic to human bodies is used as a graft material, ethanol is used as a solvent, the non-toxic and harmless pure acrylic emulsion andthe non-toxic pigment are added, and a printed product has no pungent smell and has high safety and environmental protection performance. The printing ink prepared by the printing ink formula and thepreparation technology has the advantages of uniform particle size, small fineness, excellent initial dry performance, and stable and excellent coloring strength and friction coefficient.

The invention discloses a water tank constant-pressure water supply device, and particularly relates to the technical field of water supply devices. The water tank constant-pressure water supply device comprises a water storage tank, wherein the bottom end of the water storage tank is fixedly connected with a supporting seat; and a water outlet of the water storage tank communicates with a water supply mechanism through a flow guiding main tube. When the water tank constant-pressure water supply device needs to be cleaned, a hollow rotating shaft descends, a propeller blade is driven to rotate under the effect of water flow, a cleaning scraper and a bottom brush are driven to rotate to automatically clean water scale, when the hollow rotating shaft descends, a side cross rod is driven to descend synchronously, a pressing plate drives a primary filter plate to enter the flow guiding main tube, meanwhile, by a movable rod and a damping spring, the propeller blade is accommodated in a storage box conveniently, in the mode, power is provided by water flow to drive a cleaning structure to automatically clean the water scale, in a cleaning process, continuous filtering of the water flow is ensured, the circumstance that the water scale is accumulated in the equipment to affect the equipment is prevented, the cleaning structure has an integral accommodating function, and stability is provided for constant-pressure water supply of the equipment.

The invention provides an aqueous acrylic water-resistant road marking coating. The coating is prepared from the following raw materials in parts by weight: 100-200 parts of modified acrylic resin, 1-3 parts of diacetone acrylamide, 1-3 parts of adipic dihydrazine, 5-10 parts of neopentyl glycol, 10-15 parts of maleic anhydride, 3-7 parts of adipate, 10-20 parts of a coalescing agent, 5-10 parts of a dispersing agent and 5-10 parts of a defoaming agent. The preparation method is simple, and the prepared coating is an aqueous coating, has good environmental friendliness and low VOC emission, also has good gloss retention, water resistance, acid resistance and chemical corrosion resistance, can form a film quickly, finely and uniformly, has good strength and mechanical properties after filmforming, and has a wide application prospect.

The invention discloses a method for improving weatherability of outdoor woodware. The method includes following steps: (1), chipping benzoil trunk, caulis aristolochiae manshuriensis and radix cudraniae, adopting petroleum ether, and extracting to obtain a mixed tree oil finished product; (2), mixing the mixed tree oil finished product, lubricating silicone grease, nano ATO and hafnium oxide to obtain modified mixed tree oil; (3), taking glycidyl methacrylate, methallyl methacrylate and neopentyl diacrylate as monomer to obtain a polymerization emulsion; (4), mixing the polymerization emulsion, the modified mixed tree oil, polydimethylsiloxane, N-octyl diaminoethyl glycine hydrochloride, ethylenediamine sodium propanesulfonate and deionized water to obtain composite paint; (5), grinding the surface of woodware, brushing the composite paint on the surface of the woodware, and naturally airing to obtain the outdoor woodware. The outdoor woodware prepared by the method is good in waterproof performance and illumination-resistant performance and less prone to cracking and color changing when in use.

The invention discloses a woven track and a weaving method and belongs to the track field. The woven track comprises a track fabric body, wherein a wool yarn layer is arranged on the upper surface ofthe track fabric body, the lower surface of the track fabric body is fixedly bonded with an auxiliary reinforcement layer, flexible rubber connectors are fixedly inlaid in the inner surface of the auxiliary reinforcement layer, flexible rubber balls are fixedly connected with the upper surfaces of the flexible rubber connectors, outer surfaces of the flexible rubber balls are fixedly inlaid in inner gaps of the track fabric body, water-permeable through holes are formed in the auxiliary reinforcement layer, antiskid bulges are arranged on lower surfaces of the auxiliary reinforcement layer, bulge connecting strips are arranged on outer surfaces of the antiskid bulges, and the auxiliary reinforcement layer comprises a polyurethane adhesive layer, a polypropylene ethylene support layer and anylon fiber protection layer. The woven track is easy to produce and process, more convenient and efficient to lay and capable of effectively reducing the use cost.