13results about How to "Good anti-mildew effect" patented technology

The invention discloses an artificial feed for tomato leafminers, and a preparation method and application thereof. The feed for tomato leafminers comprises cellulose, lactic acid casein, wheat germ powder, Wesson salt, soybean powder, agar, sucrose, glucose, cholesterol, linolenic acid, linoleic acid, soybean oil, a composite preservative solution, a composite antibiotic solution, a composite vitamin B solution, a host plant homogenate and distilled water. The main raw materials of the feed are low in price, the preparation method of the feed is simple, the obtained artificial feed is mildew-proof and antiseptic, and the feeding effect is basically consistent with the level of the natural host. The larvae cultured with the feed are healthy and uniform in age, and the purpose of supplying a standard insect source for tomato leafminers can be achieved throughout the year and in successive generations.

The invention provides a heat-conducting vegetable protein-based composition, a heat-conducting vegetable protein adhesive as well as a preparation method and application of the heat-conducting vegetable protein-based composition and the heat-conducting vegetable protein adhesive. The heat-conducting vegetable protein-based composition provided by the invention is prepared by ball-milling raw materials including a heat-conducting filler, modified vegetable protein and (3-(methacrylamido) propyl) trimethyl ammonium chloride in a mass ratio of 1: (0.3-5): (0.03-1) for 15-25 hours. The heat-conducting vegetable protein adhesive comprises the following raw materials in percentage by weight: 6-20% of the heat-conducting vegetable protein-based composition and 3-8% of a cross-linking agent, and further comprises 0.1-3% of a flame-retardant reinforcing agent on the basis of the heat-conducting vegetable protein-based composition and the cross-linking agent. The heat-conducting vegetable protein adhesive provided by the invention adopts the heat-conducting vegetable protein-based composition, has good cementing performance and water resistance, also has good heat conductivity, flame retardance and mildew resistance, is beneficial to preparation of multifunctional materials, and is beneficial to industrial application, especially in the field of artificial board industry.

The invention relates to the technical field of cement additives, in particular to a powder composition for cement addition and a preparation process of the powder composition, modified sodium lignin sulfonate serves as an important component of the powder composition, dispersity and stability of sodium lignin sulfonate are effectively improved through sulfomethylation and condensation reaction, and in cement concrete, the powder composition has the advantages that the dispersity and stability of sodium lignin sulfonate are improved; the modified sodium lignin sulfonate can be adsorbed on the surfaces of cement particles to form a protective film, friction force and resistance among the cement particles can be reduced, so that the fluidity of the concrete is improved, meanwhile, a sulfomethylation structure of the modified sodium lignin sulfonate can chemically react with calcium ions in the cement to form stable calcium salt, the stability of the concrete is further enhanced, and the service life of the concrete is prolonged. According to the powder composition for cement addition and the preparation method of the powder composition, the performance of cement concrete can be remarkably improved through well-designed components, and the composition has excellent flowability, anti-permeability, anti-freezing property, water resistance, mildew resistance and rust resistance.

The invention belongs to the technical field of glass cement, and particularly relates to mildew-proof environment-friendly glass cement and a preparation method thereof.The mildew-proof environment-friendly glass cement is prepared from, by weight, 60%-65% of carboxymethyl chitosan Schiff base modified castor oil-based waterborne polyurethane prepolymer emulsion, 8%-10% of mildew preventive, 5%-5.5% of plasticizer, 0.04%-0.1% of defoaming agent and 20%-26% of filler, the carboxymethyl chitosan Schiff base modified castor oil-based waterborne polyurethane prepolymer emulsion is obtained by modifying a castor oil-based waterborne polyurethane prepolymer through a carboxymethyl chitosan Schiff base nano material. The carboxymethyl chitosan Schiff base is used for carrying out chain extension modification on the castor oil-based waterborne polyurethane prepolymer, so that the mildew resistance of the castor oil-based waterborne polyurethane prepolymer is improved.

The present invention relates to a waterproof, moisture-proof and mildew-proof construction process for a basement, which is characterized in that it comprises the following steps: Step 1, cleaning the walls and the floor of the basement; Step 2, detecting whether the walls and the floor of the cleaned basement are flat; Step 3, drying the walls and the floor of the basement, and then coating the spacer primer; Step 4, after the spacer primer is dried, coating the surface of the spacer primer with a waterproof topcoat; Step 5, curing and drying until it is completely solidified, that is, completing the construction. The present invention adopts an environmentally friendly water-based double-layer coating for the waterproof construction of the basement. Among them, the spacer primer is an epoxy water-based coating, which is a varnish coating with strong adhesion, so that it has good adhesion with concrete; the waterproof topcoat is an acrylic water-based coating with a new formula, which not only has excellent waterproof properties, but also has high strength and good mildew resistance.

The present application relates to the technical field of plant specimen preservation, and particularly relates to a plant specimen original color preservation method based on chemical treatment, comprising the following steps: preparing dry plant specimens; preparing a premix solution; uniformly mixing mint, clove and thunder god vine, crushing, adding into an ethanol aqueous solution, sealing and standing for soaking, adding salicylic acid for ultrasonic treatment, filtering, removing solid matters, recovering ethanol, adding the dry plant specimens into the ethanol aqueous solution, soaking at a temperature of 30-40 DEG C, adding sodium salicylate, trehalose and a color protection agent for stirring, taking out the treated plant specimens, and obtaining pretreated plant specimens; uniformly spraying the premix solution to the surface of the pretreated plant specimens, placing the plant specimens into a specimen clamp for flattening, low-temperature cold treatment, then increasing the temperature for heat preservation, decreasing the temperature for cold treatment again, and freeze-drying; the present application can basically maintain the original color of the plant specimens, improves the identification rate for specimen identification, the preservation method has good mildew-proof effect, can effectively prevent specimen damage, is convenient for classification and preservation, and has longer durability.

The application discloses a modified mildew-proof agent, a mildew-proof sealant and a preparation method of the mildew-proof sealant. The modified mildew-proof agent is obtained by the reaction of an alkali metal salt of 1,2-benzisothiazolin-3-one and chlorotrimethoxysilane. The mildew-proof sealant comprises an A component and a B component. The A component is prepared from raw materials comprising silane modified polyether, reinforcing filler, fumed silica, thixotropic agent, the modified mildew-proof agent, light stabilizer and plasticizer. The B component is prepared from raw materials comprising reinforcing filler, plasticizer, coupling agent and catalyst. The modified mildew-proof agent greatly improves the compatibility with the silane modified polyether resin, and when added into the silane modified polyether resin, the mechanical strength and other comprehensive properties of the obtained mildew-proof sealant are not affected, the mildew-proof effect is greatly improved, the obtained mildew-proof sealant has excellent mechanical properties, good elasticity, good mildew-proof performance and good yellowing resistance.

The invention belongs to the technical field of glass glue, and specifically relates to a mildew-proof and environmentally friendly glass glue and a preparation method thereof. The glass glue comprises the following components by weight percentage: 60-65% of carboxymethyl chitosan Schiff base modified castor oil-based waterborne polyurethane prepolymer emulsion, 8-10% of mildew inhibitor, 5-5.5% of plasticizer, 0.04-0.1% of defoamer and 20-26% of filler. The carboxymethyl chitosan Schiff base modified castor oil-based waterborne polyurethane prepolymer emulsion is obtained by modifying castor oil-based waterborne polyurethane prepolymer with carboxymethyl chitosan Schiff base nanomaterial. The invention performs chain extension modification on castor oil-based waterborne polyurethane prepolymer by carboxymethyl chitosan Schiff base, thereby improving the mildew resistance of castor oil-based waterborne polyurethane prepolymer.

The invention discloses a new energy battery insulation protection UV tape and a preparation method thereof, which belongs to the technical field of battery UV tape processing, and comprises the following steps: mixing a matrix resin, a modified polymerization monomer, a composite filler, a tackifying resin, an ultraviolet light delayed curing agent, a photobase generating agent, a photoinitiator, an antioxidant, and a solvent, stirring to obtain a UV glue; applying the UV glue to the surface of a substrate blue film, drying to obtain an adhesive layer, and laminating a release film on the surface of the adhesive layer to obtain a UV tape. Soy protein isolate is complexed with metal impurities such as iron, chromium, calcium, magnesium, and sodium in montmorillonite to avoid falling off; the UV tape includes a photobase generating agent, a photoinitiator, and an ultraviolet light delayed curing agent for coordinated use, triggering the preliminary curing of the UV glue, and then laminating the battery surface, so as to achieve a fixing effect within 1-2 hours, and avoid the UV tape curing speed being fast, resulting in uneven curing of the UV tape on the battery, and a short operating time, which affects the battery quality.

The application discloses a compostable and degradable seedling paper base system and container and a preparation method thereof, and belongs to the technical fields of horticultural seedling containers, paper base forming and biodegradable barrier coating. The system integrates a paper fiber container, an anti-blocking drainage structure and a polyhydroxyaliphatic acid ester-based biodegradable barrier coating. In view of the industry pain point that traditional containers are difficult to maintain wet strength and degradation, the scheme designs a directional failure zone, which ensures excellent wet resistance and structural stability during seedling period, and significantly improves root penetration efficiency and compost disintegration speed after transplanting. Compared with conventional full coverage technology, the system effectively solves the problems of orifice plugging and water accumulation and mold growth, realizes precise timing control of functions from protection to degradation. The product does not contain fluorides, meets the strict ecological compliance requirements, and achieves excellent seedling quality and environmental safety with better material utilization.

This invention discloses a mildew- and corrosion-resistant particleboard and its preparation method. The mildew- and corrosion-resistant particleboard prepared by this invention has high mechanical strength and good anti-corrosion and mildew-resistant effects. It is made from the following raw material components in parts by weight: 800-1200 parts of particleboard and 50-200 parts of composite adhesive. The composite adhesive is made from the following components in parts by weight: 35-160 parts of soybean glue, 5-20 parts of curing agent, 5-10 parts of mildew inhibitor, and 5-10 parts of corrosion inhibitor. The combined use of polyamide polyamine epichlorohydrin and dimethyloldihydroxyethylene urea in the adhesive components improves the static bending strength of the particleboard; the combined use of n-butylbenzisothiazolinone and dimethoxymethylsilylpropyloctadecyldimethylammonium chloride improves the mildew resistance of the particleboard; and the combined use of modified chitosan copper complex and ammonium pentaborate improves the corrosion resistance of the material, with synergistic effects.

This application provides a bio-based chain extender and its application. The bio-based chain extender includes the bio-based compounds 2,5-furandicarboxaldehyde dioxime and / or 5-hydroxymethyl-2-furancarboxaldehyde dioxime. Using these as bio-based chain extenders, modified polyurethanes with antibacterial and antifungal properties can be synthesized. This imparts long-lasting, stable, and broad-spectrum antibacterial and antifungal properties to polyurethane materials, eliminating the need for additional antibacterial agents. This avoids problems such as environmental pollution, short antibacterial time, and unstable antibacterial performance caused by antibacterial agent migration during the use of polyurethane materials. In particular, this bio-based chain extender is bio-based, safe, and environmentally friendly, and has a significant effect on the antibacterial and antifungal modification of polyurethane materials, showing broad application prospects in medical materials, public facilities, and health protection.

The present invention relates to a preparation method of a silicone stone sealant, and belongs to the technical field of sealants. The present invention creatively improves reinforcing fillers, firstly uses a silane coupling agent containing double bonds to treat fumed silica, modifies the double bonds through the action of silane alkoxy and silanol, then adds methacrylic acid to polymerize the double bonds, modifies the polymer, and finally adds dimethyl octadecyl [3-(trimethoxysilyl)propyl] ammonium chloride as a mildew inhibitor and a long-chain alkyl alcohol as a hydrophobic modifier, thereby utilizing carboxyl and hydroxyl groups for dehydration condensation, thereby preparing a modified fumed silica, and the silicone stone sealant obtained by mixing it with other components not only has excellent mechanical properties and mildew-proof properties when actually used, and the mildew inhibitor is not easy to migrate and escape, but also has super-hydrophobic properties.