News Details
Room temperature curing epoxy resin flame retardant
2017-11-4 11:22:03
Room temperature curing epoxy resin flame retardant
Compared with the room temperature curing epoxy resin flame retardant, the reaction type room temperature curing epoxy resin flame retardant has better effect. The polyhydroxy phenol was synthesized by selective phosphorylation reaction type room temperature curing epoxy resin flame retardant series, the room temperature curing epoxy resin flame retardant epoxy resin and reaction, found LOI is greatly improved, is very effective flame retardant epoxy resin.
Liquid epoxy resin and salt soluble water soluble amine epoxy resin are mixed with curing agent, which makes the liquid resin in the form of water emulsion. It is not suitable for metal objects and has poor corrosion resistance. It can be made into zero VOC type. The liquid resin has good workability, good rheological property and good solvent free agglomeration.
Features: stable and uniform emulsion; high viscosity at low solid content (dilution peak); the construction period is short construction period; the viscosity increased gradually; gelation does not occur after the start of phase separation; construction period of smooth coating, high hardness, high light; usually cannot be used for metal substrate; slow, long-term moisture resistance and corrosion resistance.
Solid epoxy resin aqueous dispersion and modified amine addition agent for curing waterborne epoxy resin. Long period of application (6-8hr), shorter drying time (4-6hr), better corrosion resistance, and higher molecular weight. Therefore, it is necessary to add a certain amount of solvent to help the emulsion coalescence.
Based on medium high molecular weight, multifunctional epoxy resin aqueous dispersion and modified amine adduct curing agent. The curing density is improved by polyfunctional epoxy resin and polyfunctional curing agent. The resin is of high molecular weight, drying faster than the second generation and the first generation. It can match with low VOC type, and its corrosion resistance can be comparable with solvent system. Metal paint, enamel primer and VOC were only 144~300g/l.
Long term corrosion resistance, solvent resistance, abrasion resistance, flexibility and good adhesion to various substrates. It can be used for cement putty and general base finish, primer, coating and industrial maintenance, primer and waterline for automobile repair paint in Shanghai ocean.
Water based epoxy coatings are water resources and low pollution waterborne epoxy coatings. Water is used instead of organic solvents. Waterborne epoxy coatings have wide source of water and can save a lot of resources. In the process of production, transportation and painting, there is no pollution and no fire hazard, so it is beneficial to protect the ecological environment.
The surface of the waterborne epoxy coating is treated by degreasing, rust removing and phosphating, and it can be painted without drying. The waterborne epoxy coatings have more strict requirements for surface treatment of coated articles when electrodeposition is used. Construction equipment and tools can be cleaned with water.
Waterborne epoxy coatings by electrodeposition electrophoretic coating automatic construction method, spray, brush, spray, dip and other construction methods is higher than that of the coating efficiency, stable quality, produce less coating defects; other waterborne epoxy paint can be sprayed, brush, dip and other construction methods.
There are a lot of hydrophilic groups in waterborne epoxy coatings, and the corrosion resistance of coatings should be improved. Waterborne epoxy coatings should be taken effective measures to ensure the release of water in the coating within the specified time for the waterborne epoxy coatings with room temperature drying. This is a topic worthy of attention in the formulation design, production and coating process of waterborne epoxy coatings.
Tris(2-chloroisopropyl)Phosphate(TCPP)
Packing: NW 250KG / galvanized iron (a small cabinet to play prop 20 tons), 1000KG/IB barrels (a small cabinet loaded 18 tons), or 23 tons ISOTANK.
The product output: 100 tons / month
Shipping Port: China Shang Hai
Price offer is valid: 15 days
Jincang time: 15 days (commodity inspection)
Export rights: the right to import and export company.
The product is used for the soft / hard polyurethane foam, with thermal and hydrolytic stability good, especially suitable for ASTME84 (Level 11) foam, with low viscosity unsaturated polyester resin in low temperature application and phenolic plastics at. This product is also used to grab the foam sealant and sheet production. For polyvinyl chloride, polystyrene, phenolic resin, acrylic resin and rubber, coating, flame retardant, also used for soft and hard polyurethane foam, epoxy resin, polystyrene, cellulose acetate, ethyl cellulose tree and phenolic plastics, polyvinyl acetate and gun type foam sealant production. Particularly recommended for rigid polyurethane foam has excellent thermal and hydrolytic stability is particularly suitable for ASTM84 (II), compound for polyurethane foam and unsaturated resin and phenolic plastics.
The concrete surface construction of waterborne epoxy resin coatings in wet or new pouring, good adhesion to the surface of the concrete, concrete can be closed capillary moisture, and can prevent the efflorescence, suitable for concrete sealing primer. Solvent or waterborne epoxy floor coatings can be constructed on the closed primer.
Industrial floor coating is an important use of waterborne epoxy resin coatings. Water borne epoxy has little odor, and the coating surface is easy to clean. It is especially suitable for hospitals, food factories, supermarkets, dairy factories and cosmetics factories. If the two decoration is needed, the coating will not be affected, and the new and old coating will remain good adhesion.
Waterborne polyurethane anticorrosive coatings have made great progress. However, the traditional solvent based coatings still occupy the dominant position in the market, and some problems still need to be solved in order to further develop the waterborne polyurethane anticorrosive coatings:
(1) water resistance of waterborne polyurethane. The hydrophilic groups of waterborne polyurethane lead to lower density of coating film than solvent based coatings, and the water resistance of coating is poor. The water resistance and wettability of waterborne polyurethane coatings are both urgent problems to be solved.
(2) coating process and coating conditions. The cleanliness of substrate surface affects the performance of coating and coating effect; optimizing coating process and improving construction efficiency is the prerequisite for the promotion of waterborne polyurethane anticorrosive coatings.
(3) production cost. Waterborne polyurethane anticorrosive coating material is expensive and requires high production process, which hinders its further development of industrialization and marketization. The development trend of waterborne polyurethane anticorrosive coatings in the future is to reduce the cost, simplify the process, and promote the industrialization development on the basis of ensuring its excellent corrosion resistance.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
http://www.yaruichem.com
Compared with the room temperature curing epoxy resin flame retardant, the reaction type room temperature curing epoxy resin flame retardant has better effect. The polyhydroxy phenol was synthesized by selective phosphorylation reaction type room temperature curing epoxy resin flame retardant series, the room temperature curing epoxy resin flame retardant epoxy resin and reaction, found LOI is greatly improved, is very effective flame retardant epoxy resin.
Liquid epoxy resin and salt soluble water soluble amine epoxy resin are mixed with curing agent, which makes the liquid resin in the form of water emulsion. It is not suitable for metal objects and has poor corrosion resistance. It can be made into zero VOC type. The liquid resin has good workability, good rheological property and good solvent free agglomeration.
Features: stable and uniform emulsion; high viscosity at low solid content (dilution peak); the construction period is short construction period; the viscosity increased gradually; gelation does not occur after the start of phase separation; construction period of smooth coating, high hardness, high light; usually cannot be used for metal substrate; slow, long-term moisture resistance and corrosion resistance.
Solid epoxy resin aqueous dispersion and modified amine addition agent for curing waterborne epoxy resin. Long period of application (6-8hr), shorter drying time (4-6hr), better corrosion resistance, and higher molecular weight. Therefore, it is necessary to add a certain amount of solvent to help the emulsion coalescence.
Based on medium high molecular weight, multifunctional epoxy resin aqueous dispersion and modified amine adduct curing agent. The curing density is improved by polyfunctional epoxy resin and polyfunctional curing agent. The resin is of high molecular weight, drying faster than the second generation and the first generation. It can match with low VOC type, and its corrosion resistance can be comparable with solvent system. Metal paint, enamel primer and VOC were only 144~300g/l.
Long term corrosion resistance, solvent resistance, abrasion resistance, flexibility and good adhesion to various substrates. It can be used for cement putty and general base finish, primer, coating and industrial maintenance, primer and waterline for automobile repair paint in Shanghai ocean.
Water based epoxy coatings are water resources and low pollution waterborne epoxy coatings. Water is used instead of organic solvents. Waterborne epoxy coatings have wide source of water and can save a lot of resources. In the process of production, transportation and painting, there is no pollution and no fire hazard, so it is beneficial to protect the ecological environment.
The surface of the waterborne epoxy coating is treated by degreasing, rust removing and phosphating, and it can be painted without drying. The waterborne epoxy coatings have more strict requirements for surface treatment of coated articles when electrodeposition is used. Construction equipment and tools can be cleaned with water.
Waterborne epoxy coatings by electrodeposition electrophoretic coating automatic construction method, spray, brush, spray, dip and other construction methods is higher than that of the coating efficiency, stable quality, produce less coating defects; other waterborne epoxy paint can be sprayed, brush, dip and other construction methods.
There are a lot of hydrophilic groups in waterborne epoxy coatings, and the corrosion resistance of coatings should be improved. Waterborne epoxy coatings should be taken effective measures to ensure the release of water in the coating within the specified time for the waterborne epoxy coatings with room temperature drying. This is a topic worthy of attention in the formulation design, production and coating process of waterborne epoxy coatings.
Tris(2-chloroisopropyl)Phosphate(TCPP)
Packing: NW 250KG / galvanized iron (a small cabinet to play prop 20 tons), 1000KG/IB barrels (a small cabinet loaded 18 tons), or 23 tons ISOTANK.
The product output: 100 tons / month
Shipping Port: China Shang Hai
Price offer is valid: 15 days
Jincang time: 15 days (commodity inspection)
Export rights: the right to import and export company.
The product is used for the soft / hard polyurethane foam, with thermal and hydrolytic stability good, especially suitable for ASTME84 (Level 11) foam, with low viscosity unsaturated polyester resin in low temperature application and phenolic plastics at. This product is also used to grab the foam sealant and sheet production. For polyvinyl chloride, polystyrene, phenolic resin, acrylic resin and rubber, coating, flame retardant, also used for soft and hard polyurethane foam, epoxy resin, polystyrene, cellulose acetate, ethyl cellulose tree and phenolic plastics, polyvinyl acetate and gun type foam sealant production. Particularly recommended for rigid polyurethane foam has excellent thermal and hydrolytic stability is particularly suitable for ASTM84 (II), compound for polyurethane foam and unsaturated resin and phenolic plastics.
The concrete surface construction of waterborne epoxy resin coatings in wet or new pouring, good adhesion to the surface of the concrete, concrete can be closed capillary moisture, and can prevent the efflorescence, suitable for concrete sealing primer. Solvent or waterborne epoxy floor coatings can be constructed on the closed primer.
Industrial floor coating is an important use of waterborne epoxy resin coatings. Water borne epoxy has little odor, and the coating surface is easy to clean. It is especially suitable for hospitals, food factories, supermarkets, dairy factories and cosmetics factories. If the two decoration is needed, the coating will not be affected, and the new and old coating will remain good adhesion.
Waterborne polyurethane anticorrosive coatings have made great progress. However, the traditional solvent based coatings still occupy the dominant position in the market, and some problems still need to be solved in order to further develop the waterborne polyurethane anticorrosive coatings:
(1) water resistance of waterborne polyurethane. The hydrophilic groups of waterborne polyurethane lead to lower density of coating film than solvent based coatings, and the water resistance of coating is poor. The water resistance and wettability of waterborne polyurethane coatings are both urgent problems to be solved.
(2) coating process and coating conditions. The cleanliness of substrate surface affects the performance of coating and coating effect; optimizing coating process and improving construction efficiency is the prerequisite for the promotion of waterborne polyurethane anticorrosive coatings.
(3) production cost. Waterborne polyurethane anticorrosive coating material is expensive and requires high production process, which hinders its further development of industrialization and marketization. The development trend of waterborne polyurethane anticorrosive coatings in the future is to reduce the cost, simplify the process, and promote the industrialization development on the basis of ensuring its excellent corrosion resistance.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
http://www.yaruichem.com
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