31results about How to "Improve early water resistance" patented technology

An inorganic water paint rich in Zn for steel contains the component A prepared from Zn powder, thickening agent and filler and the component B prepared from mixed silicon sol, deposition resistant, emulsion, surfactant and assistant. Its advantages are high resistance to salt fog and ageing, low cost and no environmental pollution.

The invention relates to an industrial coating, in particular to an anti-doodling coating for an outdoor facility and a preparation method of the anti-doodling coating. The anti-doodling coating mainly aims at solving the technical problems that a doodling coating in the prior art contains a bonding agent, has higher attaching power on a general surface, and is relatively difficult to remove by using a physical or chemical method after setting in case of vicious doodling, and the surface is prone to being damaged. The anti-doodling coating disclosed by the invention is an oxidative dry type single-component waterborne coating, and comprises the following components by part by mass: 30-65 parts of fluorinated polyacrylate-modified soybean oil polyurethane resin, 1-10 parts of additive, 15-30 parts of pigment and filler and 10-25 parts of water.

The invention belongs to the technical field of aqueous coating materials, and provides a copolymer P, an aqueous dispersion resin containing the copolymer P, and applications of the aqueous dispersion resin in aqueous coating materials. The copolymer P is prepared by carrying out a reaction on the following components by weight: 3-30 wt% of a hydroxyl-free hydrophobic polymer I, 30-80 wt% of a hydroxyl functional hydrophobic polymer II, and 10-40 wt% of a carboxyl functional hydrophilic polymer III, wherein a monomer Ia and an initiator are subjected to a polymerization reaction to obtain thehydroxyl-free hydrophobic polymer I, and the monomer Ia is one or a variety of materials selected from a vinyl compound, a vinyl ester and (methyl) acrylate. According to the present invention, withthe application of the obtained aqueous dispersion resin in the coating material, the early-stage water resistance of the prepared paint film can be significantly improved.

The invention relates to a waterborne anticorrosive coating as well as a preparation method and application thereof. The waterborne anticorrosive coating is prepared from the following components in parts by weight: 60 to 80 parts of a membrane-forming substance, 2 to 3 parts of a membrane-forming aid, 1 to 5 parts of a filler, 4 to 11 parts of a functional aid, 0.1 to 0.3 part of bentonite and 5to 10 parts of water, wherein the membrane forming substance is carboxyl-containing modified waterborne acrylate polymer emulsion prepared by self-crosslinking adipic dihydrazide, diacetone acrylamideand an acrylate monomer; and the filler is of a sheet-shaped or needle-shaped structure. The waterborne anticorrosive coating is green and environment-friendly; excellent anti-corrosion performance is realized; the service life of a corresponding coating product can be effectively prolonged; the waterborne anticorrosive coating can be widely applied to industrial and retail places with light anticorrosive requirements, has excellent adhesive force, can be directly attached to various substrates, does not need to use primer, can achieve real primer-topcoat integration, and effectively reducesthe process complexity of anticorrosive product preparation.

The invention discloses sand-in-water colorful paint with excellent early water resistance. A method comprises the steps of production of protective glue, production of base paint, production of a sand-in-water colorful paint continuous phase, production of colorful particles and production of the colorful paint. The early water resistance of the sand-in-water colorful paint can be effectively improved, and the problems that paint turns white and changes color due to weather change in practical construction can be well solved.

The invention discloses a preparation method of water-based paint from kaolin filler. The preparation method is characterized in that alkali metal silicate and small-particle-size silica sol are compounded into an Si-O-Si polymer mesh structure during the film forming process, early water resistance of paint film is improved greatly, and final hardness, scratch resistance and stain resistance in the paint film are improved greatly; organic polymer emulsion is added, film forming property of the paint can be improved, and the defects in the traditional two-component water-based paint such as proneness to cracking, poor decorativeness and poor storage stability are overcome. The paint made by the preparation method has the functions such as environment protection, toxicity resisting, heat insulating, high wash resistance, wear resistance, yellowing resistance, aging resistance, stain resistance, good breathability and acoustic insulation.

The invention belongs to the field of marine coating, and particularly relates to a water-based inorganic zinc silicate workshop primer and a preparation method thereof. Potassium silicate with the modulus being 3.7 is adopted as a raw material, silica sol and a silane coupling agent are added to prepare high-modulus potassium silicate with the modulus being 6, then styrene-butadiene emulsion or styrene-acrylic emulsion is added to modify the high-modulus potassium silicate, and finally zinc powder, ferrophosphorus powder and feldspar powder are added to prepare the water-based inorganic zinc silicate shop primer. Various properties of the emulsion are researched by testing viscosity, solid content, modulus and storage stability of the emulsion, and appearance, initial water resistance, adhesive force, weather-proof protection period and the like of a coating film. The addition of the silica sol and the silane coupling agent improves the dryness, the early water resistance, the crosslinking curing degree and the adhesive force, and the addition of the styrene-butadiene emulsion or the styrene-acrylic emulsion greatly improves the substrate wettability, the flexibility and the adhesive force of a coating film.

The invention relates to the technical field of polymer materials, and discloses a deodorizing full-effect children's paint. The paint comprises, by mass, 10-20% of water, 1-2% of a dispersant, 0.1-1%of an anionic surfactant, 0.2-1% of a defoamer, 0.5-2% of a thickener, 0.5-2% of a rheological agent, 10-30% of a pigment, 10-30% of a filler, 36-46% of a functional emulsion, 0.5-1.2% of a deodorizing film-filming aid, 0.1-2% of an antibacterial agent, 1-0.4% of a preservative and 0.5-2% of an antifreeze agent. The paint has the advantages of good resistance to dirt and scrubbing, no formaldehyde, no peculiar smell, high hiding power and good antibacterial and mildew-proof effects, and is used for painting the interior wall of a child's room in order to effectively solve the problems generated in the children's room and make the child live in a safe and comfortable environment. The paint can achieve a good effect when brushed two times during use.

The invention relates to a water-resistant inorganic zinc-rich coating and a preparation technology thereof. The coating is prepared from the following raw material components: a potassium silicate solution, aluminum modified silica sol, a trimethyl benzyl ammonium hydroxide catalyst, dodecyl glycol amide, a silane coupling agent, silicon-acrylic emulsion, low lead zinc powder and a potassium zirconium carbonate hardener; the coating is prepared by the processes of mixing, heating, stirring, and the like. In a preparation process of the coating, the early water resistance of a paint film is improved by adding the potassium zirconium carbonate hardener.

The present invention provides a silane polycondensate modified water dispersible polyisocyanate polymer and a preparation method and application thereof. The polymer has the following chemical formula: each R is independently selected from any hydrolyzable group; n in the chemical formula is an integer greater than or equal to 1; a is an integer selected from 1, 2, 3, 4 and 5; R1 and R2 are any groups which do not participate in the reaction. The outstanding advantages of the silane polycondensate in the aspects of drying speed and water resistance are creatively utilized, the isocyanate compound is modified by a chemical grafting method, and the water-based paint prepared by adopting the curing agent has outstanding early-stage water resistance.

The invention discloses a water-based potassium silicate zinc-enriched primer having fast drying excellent heat insulation property and used for surface treatment of steel structures; the primer is prepared from the following raw materials in parts by weight: 105-108 parts of a flake zinc powder, 14-16 parts of potassium silicate, 1.4-1.8 parts of a water-based polyurethane emulsion, 5.5-6.5 parts of a styrene-acrylic emulsion, 4.1-4.6 parts of methyltriethoxysilane, 1.1-1.3 parts of praseodymium chloride, 5-7 parts of a brucite fiber, 2.2-2.5 parts of tin antimony oxide, 0.7-0.9 part of sodium lignosulfonate, 0.9-1.2 parts of aluminum oxide, 3.2-3.5 parts of dimethylethanolamine, 7-9 parts of sodium-based bentonite, and 23-25 parts of deionized water. The styrene-acrylic emulsion is modified by the water-based polyurethane emulsion and then is added to the raw materials to be composited with a potassium silicate solution, the flake zinc powder is co-modified by silane doped rare earths, then other effective auxiliary agents are matched, and thus the zinc-enriched primer is prepared; the zinc-enriched primer has the advantages of fast drying speed, good thermal insulation property and good early water resistance.

The invention relates to a water-resistant aqueous inorganic zinc-enriched coating with an added lithium carbonate hardening agent, and a preparation process of the coating. The water-resistant aqueous inorganic zinc-enriched coating comprises the following components: a potassium silicate solution, a silicone acrylic emulsion, aluminum modified silica sol, dodecyl diol amide, a ilicone acrylic emulsion, a trimethyl benzyl ammonium hydroxide catalyst, a gamma-aminopropyl trimethoxy silane coupling agent, low-lead zinc powder and a zirconium carbonate potassium hardening agent. The aqueous inorganic zinc-enriched coating is prepared from the components through processes such as mixing and stirring, heating and the like. When the coating is prepared, the zirconium carbonate potassium hardening agent is added, and thus the early-stage water resistance of a coating membrane can be improved. The coating is simple in process and relatively good in application prospect.

The invention discloses a microencapsulated curing agent, and a water-based inorganic zinc-rich anticorrosive coating based on the microencapsulated curing agent. The microencapsulated curing agent is formed by coating a curing agent in a silicon dioxide shell layer. The water-based inorganic zinc-rich anticorrosive coating added with the microencapsulated curing agent has a relatively high curing rate, so that the obtained coating has relatively good early-stage water resistance.

The invention relates to a method of preparing water resistant inorganic zinc-rich paint by adding a zirconium carbonate hardener. The paint is prepared by dropwise adding aluminum modified silicasolinto a low modulus potassium metasilicate solution to form a high modulus potassium metasilicate solution as an adhesive agent of the zinc-rich paint, adding a benzyltrimethylammonium hydroxide catalyst, dodecyl diol amide, isopropyl dioctyl tetra-oleophosphoric titanate and silicone acrylic emulsion to achieve uniform particle size distribution of the potassium metasilicate solution and no gelation reaction for a long time, and then adding the zirconium carbonate hardener to improve early water resistance of a paint film.