40results about How to "Good low temperature film forming" patented technology

The invention discloses a preparation method and an application of an acrylate heterozygotic emulsion. In the invention, the acrylate heterozygotic emulsion is synthesized by adopting a seed emulsion polymerization process and combining a process of instantly neutralizing and segmentally adding polar monomers. The acrylate heterozygotic emulsion comprises macroparticles consisting of polymers P2 rich in hydroxyl groups on a surface layer and microparticles consisting of polymers P1 rich in carboxylate on the surface layer. Compared with a conventional hydroxy acrylate emulsion, the acrylate heterozygotic emulsion has smaller mean grain size and wider grain size distribution on emulsion particles. The acrylate heterozygotic emulsion can be adopted to prepare aqueous bi-component polyurethane wood coatings, and a coating layer of the coating has excellent property of resisting water and solvents, high crosslinking density and hardness, good mechanical property, scratching resistance and wear resistance. The acrylate heterozygotic emulsion has compact coating structure, high glossiness and better combination property, and not only can be applied to high-grade wood coatings, but also can be applied to automotive refinish paint, metallic anti-corrosion paint, other industrial protective paint, and the like.

The invention discloses an emulsion with a core-shell structure and an environment-friendly interior wall coating containing the emulsion. The emulsion with the core-shell structure is obtained by semi-continuous polymerization of methyl methacrylate, styrene, butyl acrylate and methacrylic acid, wherein the environment-friendly interior wall coating consists of the emulsion with the core-shell structure, titanium white powder, a filler, a dispersing agent, a wetting agent, a defoaming agent, a thickening agent, a bactericide, a mildew inhibitor, a pH regulator and water. The latex particles in the emulsion with the core-shell structure provided by the invention have a soft-shell hard-core structure, wherein soft shells can ensure that the prepared coating product also has excellent low-temperature film forming property without the addition of a film-forming auxiliary agent, and hard cores can ensure that the prepared coating product has high hardness after film formation of the coating product, does not turn soft or sticky at a high temperature, and still has the basic properties of excellent stain resistance, washing resistance and the like. The environment-friendly interior wallcoating provided by the invention does not contain volatile organic compounds (VOC), is safe and environmentally friendly, and has high hardness and excellent stain resistance and washing resistanceafter the film formation.

The invention discloses a sound-insulation noise-reduction water-based wood primer. The sound-insulation noise-reduction water-based wood primer is prepared from the following materials in parts by weight: 25-35 parts of acrylic acid modified polyurethane emulsion, 6.1-10.6 parts of functional additives, 35-51 parts of functional powder, 0.05-0.1 part of a pH regulator, 0.5-1.5 parts of fire retardants and 6.5-11.7 parts of water, wherein the functional powder is sericite powder, expanded graphite and silicon and aluminum based hollow microspheres; the fire retardants are aluminum hydroxide. The sound-insulation noise-reduction water-based wood primer has excellent fire resistance, sound insulation and noise reduction effects, filling capability, brushing property and combination property, and also has the characteristics of high hardness, crack resistance, corrosion resistance and the like.

The invention relates the nanometer modified metallic anti-corrosive paint, comprising 50-70wt% host crystal, 20-40wt% curing agent and 1-10wt% oxide addition. The host crystal comprises compound resin, color paste and auxiliary agent, and the curing agent comprises 75% aromatic isocyanate, 75% aliphatic isocyanate, dimethylbenzene, butyl acetate optal and 2-butanol. The invention adds nanometer oxidate to improve the quality of anti-corrosive paint, and adds alcohols solvent in host crystal to reduce noxious constituents in solvent. The invention doesn't use the compounds which contain lead and chromium.

The invention discloses odorless environment-friendly dried diatom ooze powder and a preparation method thereof. The dried diatom ooze powder comprises the following components in parts by mass: 3-7 parts of odorless redispersible latex powder, 20-40 parts of diatomite, 1-6 parts of nanometer titania, 1-30 parts of titanium dioxide, 10-35 parts of ash-calcium, 10-30 parts of coarse whiting, 5-45 parts of quartz powder, 10-30 parts of kaolin, 0.3-1 part of hydroxy propyl methyl cellulose and 0.1-0.5 part of starch ether. The components are uniformly mixed to obtain the odorless environment-friendly dried diatom ooze powder. According to the odorless environment-friendly dried diatom ooze powder disclosed by the invention, the odorless redispersible latex powder is added to serve as a main adhesive substance and achieves a synergistic effect with the other components, so that the dried diatom ooze powder is odorless, has extremely low harmful substance content, and has high adhesive property, excellent low-temperature film-forming performance and the like.

The invention discloses an anti-pilling finishing agent of wool fabric and belongs to the technical field of preparation of textile auxiliaries. The anti-pilling finishing agent of the wool fabric, disclosed by the invention, can be obtained through preparing a wool strengthening solution and a wool dissolved solution from wool, carrying out cross-linking with a fibroin solution so as to obtain an anti-pilling agent, and then, mixing substances such as the anti-pilling agent, a softener, amino powder and tea saponin. The anti-pilling finishing agent of the wool fabric, disclosed by the invention, has a relatively good anti-pilling effect on the fabric; after the anti-pilling finishing agent is used, the fabric is relatively good in hand feeling and can still keep a high whiteness value after rinsing, the sliding friction among cashmere fibers is lowered and removed, the wool fibers are prevented from moving and cohesion, and the aims of preventing shrinking and pilling are achieved.

The invention relates to a water-based single-component wood coating and a preparation method thereof. The water-based single-component wood coating comprises, by weight, 30-40 parts of waterborne polyurethane resin, 35-40 parts of waterborne polyurethane resin, 4-6 parts of organic montmorillonite,10-15 parts of a nano-alumina slurry, 3-5 parts of nano silicon dioxide, 1-3 parts of nano titaniumdioxide, 0.5-1 parts of a wetting agent, 0.1-0.5 part of an antifoaming agent, 6-8 parts of a coalescing agent, 0.3-0.5 part of a leveling agent, 1-2 parts of a thickener, 0.2-0.3 part of a dispersingagent, 0.4-0.8 part of talcum powder, 0.1-0.3 part of vinyltriethoxysilane and 3-5 parts of an extinction powder. The hardness of a coating film is improved, so that the wood coating is suitable forhigh-grade wood furnitures.

The invention discloses a waterborne three-component polyester paint, comprising a base paint, a curing agent, and a curing accelerator, wherein the curing agent is aliphatic diisocyanate, the curing accelerator is stannous octoate, and the ratio of the base paint to the curing agent to the curing accelerator is 100:2-35:0.1-8. Correspondingly, the invention also discloses a preparation method of the waterborne three-component polyester paint, comprising the steps of preparing a waterborne saturated polyester resin, preparing the base paint and preparing the waterborne three-component polyester paint. According to the invention, the waterborne three-component polyester paint has good low-temperature film-forming property, frost resistance, yellowing resistance, adhesion resistance, water resistance, high temperature resistance, chemical resistance, good flame retardant ability, etc., contains no volatile benzene, dimethylbenzene, formaldehyde, esters, ketones, or harmful heavy metal elements, is environmentally friendly and non-toxic, and is a novel green paint.

The invention discloses a waterborne polyurethane ultraviolet curing coating and a preparation method thereof. The waterborne polyurethane ultraviolet curing coating is prepared from the following substances in parts by weight: 28 to 38 parts of waterborne aliphatic polyurethane acrylate, 30 to 40 parts of waterborne acrylic resin, 3 to 5 parts of waterborne wax liquor, 3 to 5 parts of silicon dioxide, 1 to 3 parts of filler talcum powder, 0.1 to 0.3 part of defoaming agent, 0.1 to 0.3 part of flatting agent,0.1 to 0.3 part of dispersing agent, 0.1 to 0.3 part of anti-settling agent, 0.1 to 0.3 part of thickening agent, 0.1 to 0.3 part of PH (Potential of Hydrogen) regulator, 2 to 3 parts of photoinitiator and 16 to 18 parts of water. The invention provides the waterborne polyurethane ultraviolet curing coating. The invention also provides the preparation method of the waterborne polyurethane ultraviolet curing coating.

The invention discloses a preparation method of a fish gelatin edible antioxidant film containing guava leaf extract, and belongs to the technical field of packaging films. The guava skin care productis prepared from the following raw material components in percentage by mass: 2 to 8 percent of fish gelatin, 0.5 to 5 percent of guava leaf extract, 1 percent of glycerinum and the balance of deionized water. The edible anti-oxidation film has the advantages of edibility, oxidation resistance, good ultraviolet light barrier property, wide raw material source, simple and feasible preparation process, low cost, safety and no toxicity.

The invention discloses an inorganic polymer exterior wall coating as well as a preparation method and application thereof. The coating is composed of water, a waterproof agent, a wetting dispersant,a defoaming agent, bactericide, 800-mesh light calcium carbonate, AMP-95, barium sulfate, rutile titanium dioxide, color paste, talcum powder, 4000-mesh calcined kaolin, styrene-acrylic emulsion, potassium silicate, dihydric alcohol, emulsified OP-10, water glass, a coalescing agent, polyvinyl alcohol, hydroxyethyl cellulose, ash calcium powder, mica powder, quartz powder, vanadium pentoxide, calcium fluoride, zinc phosphate, aluminum silicate, calcium pyrophosphate, sodium hydroxide and titanium oxide. The coating has excellent low-temperature film-forming property and thick-film cracking resistance, has Brinell viscosity of 20-80cps, is mildew-proof and heat-insulating, has silicate groups chemically reacted with a cement lime base material, permeates into a wall surface by 0.5-1mm to form a waterproof and acid-proof layer, and can avoid cracking, peeling and stripping.

The invention discloses a water-based woodware gloss finishing coat which is prepared from 71 parts of water emulsion, 7.8 parts of a polyurethane dispersing body, 0.1 part of a dispersing agent, 7.8 parts of a coalescing agent, 3.4 parts of an anti-scratching agent, 0.5 part of a deforming agent, 2 parts of a wetting agent, 0.4 part of a bactericide, 4.4 parts of a PH adjusting agent and 2.1 parts of a rheology modifier. The water-based woodware gloss finishing coat prepared from the water-based polyurethane has the advantages of high low temperature film forming property, high leveling property, high fullness, wear resistance, good handfeel, excellent chemical resistance and after tackiness resistance and the like, and also has the characteristics of high adhesion force, wear resistance, chemical resistance and flexibility of polyurethane.

The invention discloses an environmentally-friendly wood lacquer containing alcohol ester. The environmentally-friendly wood lacquer comprises the following raw materials by weight: alcohol ester, activated carbon, rosin extract, quartz powder, modified talcum powder, titanium dioxide, glucomannan, acrylic resin, bamboo carbon powder and a proper amount of water. The environmentally-friendly woodlacquer of the invention has the advantages of reasonable cost, good low-temperature film forming properties, high wear resistance, strong adhesion, and no harmful gases and harmful substances such asformaldehyde; and the used activated carbon has moisture absorption and deodorization performance, mildew resistance and moisture resistance, and is natural and environment-friendly.

Provided is an aqueous resin composition for a lithium ion secondary battery binder, the aqueous resin composition being characterized by containing core-shell particles (A) having a core part containing a polymer (a1) and a shell part containing a polymer (a2), the polymerization initiator in the starting material of the polymer (a1) being 0.01-0.2 parts by mass per 100 parts by mass of the monomer, and the aqueous medium (B) being a mixture of the core-shell particles (A), the shell part containing the polymer (a2), and the core part containing the polymer (a1) and the shell part containing the polymer (a2). The polymerization initiator in the raw material of the polymer (a2) is 0.01-0.2 parts by mass per 100 parts by mass of the monomer. The aqueous resin composition has excellent low-temperature film-forming properties, and can obtain a binder having excellent adhesion to a porous body and an electrode constituting a separator, and thus is suitable for use as a binder for a lithium ion secondary battery.