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30results about How to "Improve self-crosslinking" patented technology

Foaming material for shoes

The invention provides a foaming material for shoes. The foaming material comprises the following raw materials in parts by weight: 20-30 parts of ethylene-vinyl acetate copolymer, 20-30 parts of polyethylene, 15-25 parts of polyolefin elastomer, 1-10 parts of filler, 2-5 parts of foaming agent and 0.1-0.5 parts of cross-linking agent. The foaming material for the shoe provided by the invention has the characteristics of high elasticity, wear resistance, bacteria removal, odor removal and environmental friendliness, and leftover materials can be reutilized.
Owner:蔡龙源

One-component waterborne epoxy ester anticorrosive priming paint used for automobile chassis and preparation method of one-component waterborne epoxy ester anticorrosive priming paint

The invention provides one-component waterborne epoxy ester anticorrosive priming paint used for an automobile chassis and a preparation method of the one-component waterborne epoxy ester anticorrosive priming paint. The priming paint is prepared from, by weight, 20-30% of waterborne epoxy ester resin, 2-45% of pigment, 0-15% of anti-rust pigment, 0-17% of filler, 0.5-2.0% of neutralization agent, 0-3.0% of wetting dispersant, 0.05-0.5% of defoamer, 0.1-1.0% of waterborne dryer, 0.1-0.5% of leveling agent, 0.1-0.5% of thickening agent and 20-40% of deionized water. The invention further provides the preparation method of the anticorrosive priming paint, and various indicators of the anticorrosive priming paint all reach the indicator level of solvent type automobile chassis anticorrosive priming paint; the anticorrosive priming paint can completely replace the solvent type automobile chassis anticorrosive priming paint, and is high in drying speed, good in storage stability, excellent in water resistance and corrosion resistance, good in self-crosslinking property, safe in use, wide in raw material source and low in cost, and large-scale application and promotion are convenient to achieve.
Owner:SHANGHAI HUAYI FINE CHEM CO LTD

Self-crosslinking sulfonate-base epoxy ester aqueous dispersion and anti-corrosive primer thereof

The invention relates to a self-crosslinking sulfonate-base epoxy ester aqueous dispersion and an anti-corrosive primer thereof. The self-crosslinking sulfonate-base epoxy ester aqueous dispersion ischaracterized in that the aqueous dispersion is prepared by introducing a sulfonate functional monomer into epoxy resin, wherein vegetable oil or fatty acid, the epoxy resin and the functional monomercontaining a sulfonate base undergo esterification reaction in the presence of a catalyst; when the acid value is qualified, a latent solvent and a neutralizing agent are added into the mixture; andfinally, the mixture is diluted by deionized water to obtain the sulfonate-base epoxy ester aqueous dispersion. An aqueous anti-corrosive primer prepared by using the epoxy ester aqueous dispersion asa base material has excellent storage stability, and waterproof and anti-corrosive properties.
Owner:SHANGHAI HUAYI FINE CHEM CO LTD

Monomer containing benzimide phenylacetylene structure, high temperature self-crosslinked copolyester and preparation method thereof

ActiveCN104592094AHigh self-crosslinking flame retardant efficiencyGood flame retardantOrganic chemistryPolymer scienceChemical reaction
The invention discloses a monomer containing a benzimide phenylacetylene structure. The monomer can enable self-crosslinking chemical reaction of a synthesized polymer under high temperature. The monomer containing a benzimide phenylacetylene structure and the structural units represented by I and II for synthesis of polyester can undergo random copolymerization to obtain high temperature self-crosslinked copolyester, and when the copolyester contains a PET structural unit, the characteristic viscosity number [eta] is 0.44-1.38dL / g, the vertical combustion UL-94 grade is from V-2 to V-0, the oxygen index LOI is 24.0-35.0%, and the cone calorimeter test peak heat release rate PHRR and the smoke release total amount are both lower than pure polyester. The invention also discloses a preparation method of the copolyester. The benzimide and phenylacetylene in the copolyester involved in the invention can generate synergistic cross-linking effect, so that the copolyester has very high flame-retardant and anti-dripping efficiency, and also the copolyester is endowed with excellent flame retardant, anti-dripping and smoke suppressing performance. The method provided by the invention is basically consistent with the synthesis method of conventional polyester, not only is mature in technology, and easy and convenient to operate, but also is easy to control and convenient for industrial production.
Owner:SICHUAN UNIV

Water-based polyacrylate emulsion

ActiveCN103193922AImprove self-crosslinking propertiesEnergy savingFibre treatmentIonEmulsion
The invention discloses a water-based polyacrylate emulsion, which is prepared from a preliminary emulsion, a seed emulsion, a secondary emulsion, 10% adipic dihydrazide aqueous solution and ammonia water, wherein the preliminary emulsion is prepared from methyl methacrylate, butyl acrylate, acrylic acid, diacetone-acryloamide, sodium alkyl amide vinyl sulfonate, fatty alcohol-polyoxyethylene ether and de-ionized water; the secondary emulsion is composed of monomers and an emulsifier, and the monomers include methyl methacrylate, butyl acrylate, acrylic acid and diacetone-acryloamide; and the emulsifier is prepared from fatty alcohol-polyoxyethylene ether and de-ionized water. The water-based polyacrylate emulsion is characterized in that diacetone-acryloamide (DAAM) is introduced into the system and simultaneously, adipic dihydrazide (ADH) is introduced to modify the branch chain so that the cross-linking sites in a system can be increased through introduction of diacetone-acryloamide (DAAM) and adipic dihydrazide (ADH) to modify a branch chain, so that the self-cross-linking performance of water-based PA can be improved and medium-temperature self-cross-linked base slurry is formed; and the roasting temperature can be appropriately reduced by 10-30 DEG C so that energy source can be saved.
Owner:长兴三伟热熔胶有限公司

Inorganic reflective-insulation lotus leaf paint and preparation method thereof

The invention discloses inorganic reflective-insulation lotus leaf paint which is mainly prepared from the following raw materials: an inosilicate film forming matter, a composite reflective insulation material, rutile titanium dioxide, waterborne acrylic emulsion, an organosilicone adjuvant, a silane coupling agent, glycol, a dispersing agent, a wetting agent, a defoaming agent, a thickening agent, a buffering agent, a viscosity stabilizer and water, wherein the composite reflective insulation material is prepared from the following raw materials: thermal reflective insulation powder, kieselguhr, a compound aluminium silicate functional pigment, aedelforsite and mica powder. The inorganic reflective-insulation lotus leaf paint not only has an excellent thermal reflective insulation effect on building base materials, but also is capable of reducing indoor temperature to 20-25 DEG C in summer by virtue of optimization on the composite reflective insulation material; the reflective insulation compound material contains no organic waste gases such as formaldehyde and no APEO, is health-care and environmental-friendly, achieves a lotus leaf effect and is antifouling. The invention also discloses a preparation method of the inorganic reflective-insulation lotus leaf paint.
Owner:广东伊思曼新材料科技有限公司

Self-cross-linking type waterborne polyacrylate powder-free base slurry for clothing fusible interlining

ActiveCN103233364AImprove self-crosslinking propertiesEnergy savingFibre treatmentIonEmulsion
The present invention discloses a self-cross-linking type waterborne polyacrylate powder-free base slurry for a clothing fusible interlining. The self-cross-linking type waterborne polyacrylate powder-free base slurry is prepared from a waterborne polyacrylate emulsion, a waterborne acrylic acid thickener, an additive, deionized water and ammonia water, wherein the waterborne polyacrylate emulsion is prepared from a pre-emulsion, a seed emulsion, a secondary emulsion, a 10% adipic dihydrazide aqueous solution and ammonia water. According to the present invention, diacetone acrylamide (DAAM) is introduced into the system, and the adipic dihydrazide (ADH) modified branch chain is introduced, such that the cross-linking sites in the system can be increased so as to improve a self-cross-linking performance of the aqueous PA and form the medium temperature self-cross-linking type base slurry; and the baking temperature can be appropriately reduced by 10-30 DEG C so as to save energy sources.
Owner:长兴三伟热熔胶有限公司

Silicon-containing water repellent finishing agent

The invention discloses a silicon-containing water repellent finishing agent. The silicon-containing water repellent finishing agent is formed by blending 86-122 parts of an organosilicon modified acrylate emulsion and 72-94 parts of an organosilicon modified polyurethane emulsion. The organosilicon functional monomer using a Si(CH3)3 group is adopted, because of large steric hindrance and non-hydrolysis, the stability of emulsion polymerization is greatly improved, the content of silicon in polymer is increased, the distribution of organosilicon in a polymer molecular chain is enabled to be balanced, and the water repellency of the polymer is enhanced. Based on the complementary properties of polyurethane and polyacrylate, the two emulsions are blended and compounded to obtain the composite finishing agent with excellent water repellency. By introducing diacetone acrylamide and adipic dihydrazide into the emulsions, the crosslinking sites in the system can be increased and the self-crosslinking performance can be improved after the two emulsions are blended to form the moderate temperature self-crosslinking finishing agent, and the baking temperature can be appropriately reduced.
Owner:浙江东进新材料有限公司

Emulsion polymerization reaction method

The invention discloses an emulsion polymerization reaction method comprising the steps that: 1, a core emulsion is prepared, wherein a 3 / 4 composite initiator solution is divided into four parts; a reaction temperature is maintained at 75 DEG C; a first part of the composite initiator solution is added into a reaction kettle and is mixed with a seed emulsion; rest 3 / 4 of a pre-emulsification liquid is dropped in within 1h, wherein a second part of the composite initiator solution is supplemented with a time interval of 30min; 2, a shell emulsion is prepared, wherein an emulsification agent in a sub-emulsification liquid is added into the reaction kettle in one time; a third part of the composite initiator is supplemented, and sub-emulsification liquid monomer is dropped in; after 30min, a fourth part of the composite initiator is dropped in, and the dropping is finished 20min before the dropping of the sub-emulsification liquid monomer; the temperature is increased to 80 DEG C, and a reaction is carried out for 2h; the temperature is reduced to room temperature, and a 10% adipic dihydrazide water solution is slowly added; the pH value is neutralized to 7-8 by using ammonia water; and filtering is carried out, such that waterborne polyacrylate emulsion is prepared. According to the invention, the preparation process and the product are cleaner, such that requirements of green, environment-friendly, and healthy are satisfied. The invention keeps pace with the trend.
Owner:长兴三伟热熔胶有限公司

Water-based imitation coating high-elasticity-and-stiffness finishing agent and preparation method

ActiveCN112593410AIncreased self-crosslinkingImprove elasticity and wrinkle resistanceWrinkle resistant fibresGrip property fibresIsocyanateOrganosilicon
The invention discloses a water-based imitation coating high-elasticity-and-stiffness finishing agent and a preparation method, and relates to the technical field of textile fabric after-finishing. The finishing agent is prepared from the following raw materials in parts by weight of 50-60 parts of an emulsion A, 100-120 parts of an emulsion B and 5-10 parts of a cationic blocked isocyanate cross-linking agent. According to the preparation method of the water-based imitation coating high-elasticity stiff and smooth finishing agent, the high-molar-mass epoxy modified polysiloxane emulsion A, the emulsion B prepared from amino polyether modified polysiloxane and a polyethyl silicate crosslinking agent and the blocked isocyanate cross-linking agent are reasonably compounded, and padding and finishing are performed on a fabric, so that the elasticity and stiffness of the fabric can be obviously improved, and the effect of a coating process is achieved. The obtained finishing agent is goodin softness, good in anti-wrinkle effect, excellent in washability, water-based and environment-friendly, and can meet environmental protection requirements of export.
Owner:LIAONING FIXED STAR FINE CHEM

Preparation method of water-based polyacrylate emulsion

The invention discloses a preparation method of a water-based polyacrylate emulsion. The preparation method comprises the following steps: 1) preparing a pre-emulsion, namely adding components of the pre-emulsion into a pre-reaction kettle, rising the temperature to 55 DEG C, and mixing for 10 min to prepare the pre-emulsion; 2) preparing a seed emulsion, namely adding a polymeric kettle backing material into a reaction kettle at first, mixing, extracting 1 / 4 of the pre-emulsion into the reaction kettle, rising the temperature to 75 DEG C, dropwise adding 1 / 4 of compound initiator, and reacting for 30 min to prepare the seed emulsion; and 3) producing an emulsion polymerization reaction. According to the preparation method, diacetone acrylamide (DAAM) is introduced into a system and adipic dihydrazide (ADH) is introduced for modifying branch chains at the same time, and the number of cross-linked sites in the system can be increased, thereby improving the self-crosslinking performance of water-based PA (polyacrylate) and forming medium-temperature self-crosslinking base mud; and the baking temperature can be properly reduced by 10-30 DEG C, so that the energy resources can be saved.
Owner:长兴三伟热熔胶有限公司

Method for preparing clothing adhesive lining from self-crosslinking water-borne polyacrylate powderless base mud

The invention discloses a method for preparing a clothing adhesive lining from self-crosslinking water-borne polyacrylate powderless base mud. The method comprises the following steps: at first, mixing water-borne polyacrylate emulsion, auxiliaries and deionized water, wherein the water-borne polyacrylate emulsion is prepared from pre-emulsion, seed emulsion, secondary emulsion, 10% adipic dihydrazide water solution and ammonia water, and the pre-emulsion is prepared from methyl methacrylate, butyl acrylate, acrylic acid, diacetone acrylamide, alkenamides sodium ethylenesulphonate, fatty alcohol-polyoxyethylene ether and deionized water; and then, adjusting the pH value of the system to be neutral with ammonia water, adding a water-borne acrylic thickener, and adjusting the viscosity to be less than 30,000. Soap-free emulsion prepared from lyophobic and hydrophilic monomers through a core-shell emulsion copolymerization technology is applied to the powderless base mud, so that the product has cleaner characteristics in preparation process and the product itself, meets green, environmental-friendly and healthy requirements, and conforms to the historical trend of the time.
Owner:长兴三伟热熔胶有限公司

Automatic repair acrylic microgel self-emulsifying emulsion and preparation method thereof

The invention discloses automatic repair acrylic microgel self-emulsifying emulsion and a preparation method thereof, belonging to the technical field of modified coatings. The acrylic microgel emulsion comprises a shell layer and a core, wherein the shell layer is prepared from isobornyl methacrylate, cyclohexyl methacrylate, 3-mercaptopropionic acid, styrene, 2-acrylamide-2-methyl-1-propanesulfonic acid (AMPS), methylol acrylamide and potassium persulfate; the core is prepared from trimethylolpropane triacrylate, 2-acrylamide-2-methyl-1-propanesulfonic acid (AMPS), lauryl methacrylate, 3-mercaptopropionic acid, ethyl acrylate, glycidyl methacrylate, methacryloxy propyl trimethoxyl silane and potassium persulfate. The emulsion provided by the invention is prepared in a water phase, and has the advantages of being good in compatibility between the shell and the core, high in repair temperature, capable of self-emulsifying, high in solid content, low in emission of volatile organic compounds (VOC) and the like.
Owner:安徽优科新材料科技有限公司

HCl-H2S corrosion-resistant and high-temperature-resistant coating and preparation method thereof

ActiveCN112812652AImprove high temperature anti-corrosion performanceImprove functionalityFireproof paintsAnti-corrosive paintsDiethylene glycol monobutyl etherMethacrylate
The invention relates to a HCl-H2S corrosion-resistant and high-temperature-resistant coating which is prepared from the following raw materials: 6-amino-2-picolinic acid, graphene nanosheets, organic resin, polyethylene polyamine, trimethylolpropane trimethacrylate, diethylene glycol monobutyl ether, organosiloxane resin, a dispersing agent, an anticorrosive filler, a flatting agent, a defoaming agent and water. The preparation method comprises the following steps: firstly, carrying out esterification reaction on 6-amino-2-picolinic acid and graphene nanosheets to obtain 6-amino-2-picolinic acid graphene ester, then carrying out reaction on organic resin, polyethylene polyamine and trimethylolpropane trimethacrylate to obtain cross-linked modified organic resin, finally, using the obtained 6-amino-2-picolinic acid graphene ester for functionalizing cross-linked modified organic resin to obtain a 6-amino-2-picolinic acid graphene ester functionalized organic resin material, and mixing and stirring the 6-amino-2-picolinic acid graphene ester functionalized organic resin material with other components to obtain the HCl-H2S corrosion resistant and high temperature resistant coating.
Owner:中环涂层技术(广东)有限公司

Monomer containing phenylimide phenylacetylene structure and high temperature self-crosslinking copolyester and preparation method thereof

ActiveCN104592094BHigh self-crosslinking flame retardant efficiencyGood flame retardantOrganic chemistryImidePolymer science
The invention discloses a monomer containing a benzimide phenylacetylene structure. The monomer can enable self-crosslinking chemical reaction of a synthesized polymer under high temperature. The monomer containing a benzimide phenylacetylene structure and the structural units represented by I and II for synthesis of polyester can undergo random copolymerization to obtain high temperature self-crosslinked copolyester, and when the copolyester contains a PET structural unit, the characteristic viscosity number [eta] is 0.44-1.38dL / g, the vertical combustion UL-94 grade is from V-2 to V-0, the oxygen index LOI is 24.0-35.0%, and the cone calorimeter test peak heat release rate PHRR and the smoke release total amount are both lower than pure polyester. The invention also discloses a preparation method of the copolyester. The benzimide and phenylacetylene in the copolyester involved in the invention can generate synergistic cross-linking effect, so that the copolyester has very high flame-retardant and anti-dripping efficiency, and also the copolyester is endowed with excellent flame retardant, anti-dripping and smoke suppressing performance. The method provided by the invention is basically consistent with the synthesis method of conventional polyester, not only is mature in technology, and easy and convenient to operate, but also is easy to control and convenient for industrial production.
Owner:SICHUAN UNIV

PUA emulsion having super strong ability of covering matting powder and realizing high extinction and high permeability and preparation method of PUA emulsion

The invention relates to the technical field of coatings, and in particular relates to a PUA emulsion having super strong ability of covering matting powder and realizing high extinction and high permeability and a preparation method of the PUA emulsion. The PUA emulsion having super strong ability of covering the matting powder and realizing high extinction and high permeability includes a polyester diol, diisocyanate, a methacrylate monomer, a chain extender, dibutyltin dilaurate, an initiator, a buffer agent, an emulsifier, triethylamine, an ammonia aqueous solution and water. The PUA emulsion not only has high hardness, but also has better water and solvent resistance, and more important, the PUA emulsion has low costs and can bring higher economic benefits; the water-based polyurethane dispersion mainly plays the role of a high-efficiency dispersant and can efficiently disperse an inorganic matting agent, so that a paint film can still maintain high permeability under the condition of high extinction; and the preparation method of the PUA emulsion having super strong ability of covering the matting powder and realizing high extinction and high permeability has the characteristics of a simple process, low production costs, and suitability for large-scale production.
Owner:东莞大宝化工制品有限公司

A kind of inorganic reflective heat insulation lotus leaf coating and preparation method thereof

The invention discloses inorganic reflective-insulation lotus leaf paint which is mainly prepared from the following raw materials: an inosilicate film forming matter, a composite reflective insulation material, rutile titanium dioxide, waterborne acrylic emulsion, an organosilicone adjuvant, a silane coupling agent, glycol, a dispersing agent, a wetting agent, a defoaming agent, a thickening agent, a buffering agent, a viscosity stabilizer and water, wherein the composite reflective insulation material is prepared from the following raw materials: thermal reflective insulation powder, kieselguhr, a compound aluminium silicate functional pigment, aedelforsite and mica powder. The inorganic reflective-insulation lotus leaf paint not only has an excellent thermal reflective insulation effect on building base materials, but also is capable of reducing indoor temperature to 20-25 DEG C in summer by virtue of optimization on the composite reflective insulation material; the reflective insulation compound material contains no organic waste gases such as formaldehyde and no APEO, is health-care and environmental-friendly, achieves a lotus leaf effect and is antifouling. The invention also discloses a preparation method of the inorganic reflective-insulation lotus leaf paint.
Owner:广东伊思曼新材料科技有限公司

A PUA emulsion with super strong ability to coat matting powder and realize high matting degree and high permeability and preparation method thereof

The invention relates to the technical field of coatings, and in particular relates to a PUA emulsion having super strong ability of covering matting powder and realizing high extinction and high permeability and a preparation method of the PUA emulsion. The PUA emulsion having super strong ability of covering the matting powder and realizing high extinction and high permeability includes a polyester diol, diisocyanate, a methacrylate monomer, a chain extender, dibutyltin dilaurate, an initiator, a buffer agent, an emulsifier, triethylamine, an ammonia aqueous solution and water. The PUA emulsion not only has high hardness, but also has better water and solvent resistance, and more important, the PUA emulsion has low costs and can bring higher economic benefits; the water-based polyurethane dispersion mainly plays the role of a high-efficiency dispersant and can efficiently disperse an inorganic matting agent, so that a paint film can still maintain high permeability under the condition of high extinction; and the preparation method of the PUA emulsion having super strong ability of covering the matting powder and realizing high extinction and high permeability has the characteristics of a simple process, low production costs, and suitability for large-scale production.
Owner:东莞大宝化工制品有限公司

Special coated abrasives adhesive preparation and preparation process thereof

The invention discloses a special coated abrasives adhesive preparation and a preparation process thereof; the special coated abrasives adhesive preparation is prepared from, by weight, 30-35% of styrene, 30-35% of butyl acrylate, 10-15% of methyl methacrylate, 5-10% of acrylonitrile, 3-5% of paraffin, 3-5% of urea, 2-5% of glyoxal, 1-2% of a plasticizer, 1-2% of an emulsifier, and 1-2% of silane coupling agent. By introducing various functional monomers through process and formula innovations, adhesive strength and wet adhesive strength of emulsion are improved effectively, the polarity of the product is improved effectively, the properties of the product are improved, and the phenol-aldehyde mixing solubility of the product is also improved.
Owner:江苏洛法新材料科技有限公司
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