News Details
GMA resin coating crosslinking agent
2017-8-19 11:04:43
GMA resin coating crosslinking agent
The main functional unit of GMA resin coating was copolymer with styrene, methyl methacrylate and butyl acrylate/methacrylate polymerization.
Unlike what we normally call the GMA acrylic acid epoxy/diacid system weathering powder coating, the GMA resin mentioned here is specially designed to replace TGIC. Therefore, it has higher epoxy-level and lower value, and usually its epoxy-equivalent [EEW] is between 250 and 300, such as GMA252 and GMA300.
Of GMA resin crosslinking agent made a special study, points out a research report published: GMA resin crosslinking agent need high functionality and low Tg and combined with a specially designed polyester to formulate the performance close to TGIC system hybrid hybrid powder coatings, such as GMA252 is one kind has about nine faculties, EEW250 and Tg36 ℃ products. The GMA resins of high office can have a much faster crosslinking speed than TGIC, which causes a rapid rise in viscosity and causes the problem of flow squared.
In addition, the GMA resin can be separated from the polyester resin in the formulation [phase segment] -- that is, poor compatibility [incompatibility], which leads to the deterioration of the wet performance of the pigment to make the coating susceptible to hair flowers; It is also poor if you cannot effectively improve the dispersion of mechanical properties. Another possible problem is that in some cases the system will be contaminated with the existing paint system.
Compared with TGIC system, this kind of mixed powder coating requires high dosage of GMA resin as crosslinking agent, which is generally 16/84 weight, so it is not economical.
Chinese name: Diethyl toluene diamine(DETDA)
Chinese alias: aryl, aryl diethyl - aryl - methyl-p-phenylenediamine
English name: Benzenediamine, ar, ar-diethyl-ar-methyl-English aliases:Diethyltoluenediamine; ar, ar-Diethyl-ar-methylbenzenediamine;Diethylmethylbenzenediamine;
CAS No. :68479-98-1
EINECS No. :270 -877-4
Molecular formula: C11H18N2
Molecular Weight: 178.28
Boiling point: 310 ℃
Refractive index: 1.581
Flash Point: > 140 ℃
Inchi: InChI = 1/C11H18N2/c1-4-8-6-7 (3) 10 (12) 11 (13) 9 (8) 5-2/h6H ,4-5,12-13H2 ,1-3H3 density : 1.022
Risk Codes: R10; R35
RIDADR: UN 3082
Safety instructions: S2; S26; S39; S61
Packing Group: III
The main functional unit of GMA resin coating was copolymer with styrene, methyl methacrylate and butyl acrylate/methacrylate polymerization.
Unlike what we normally call the GMA acrylic acid epoxy/diacid system weathering powder coating, the GMA resin mentioned here is specially designed to replace TGIC. Therefore, it has higher epoxy-level and lower value, and usually its epoxy-equivalent [EEW] is between 250 and 300, such as GMA252 and GMA300.
Of GMA resin crosslinking agent made a special study, points out a research report published: GMA resin crosslinking agent need high functionality and low Tg and combined with a specially designed polyester to formulate the performance close to TGIC system hybrid hybrid powder coatings, such as GMA252 is one kind has about nine faculties, EEW250 and Tg36 ℃ products. The GMA resins of high office can have a much faster crosslinking speed than TGIC, which causes a rapid rise in viscosity and causes the problem of flow squared.
In addition, the GMA resin can be separated from the polyester resin in the formulation [phase segment] -- that is, poor compatibility [incompatibility], which leads to the deterioration of the wet performance of the pigment to make the coating susceptible to hair flowers; It is also poor if you cannot effectively improve the dispersion of mechanical properties. Another possible problem is that in some cases the system will be contaminated with the existing paint system.
Compared with TGIC system, this kind of mixed powder coating requires high dosage of GMA resin as crosslinking agent, which is generally 16/84 weight, so it is not economical.
Chinese name: Diethyl toluene diamine(DETDA)
Chinese alias: aryl, aryl diethyl - aryl - methyl-p-phenylenediamine
English name: Benzenediamine, ar, ar-diethyl-ar-methyl-English aliases:Diethyltoluenediamine; ar, ar-Diethyl-ar-methylbenzenediamine;Diethylmethylbenzenediamine;
CAS No. :68479-98-1
EINECS No. :270 -877-4
Molecular formula: C11H18N2
Molecular Weight: 178.28
Boiling point: 310 ℃
Refractive index: 1.581
Flash Point: > 140 ℃
Inchi: InChI = 1/C11H18N2/c1-4-8-6-7 (3) 10 (12) 11 (13) 9 (8) 5-2/h6H ,4-5,12-13H2 ,1-3H3 density : 1.022
Risk Codes: R10; R35
RIDADR: UN 3082
Safety instructions: S2; S26; S39; S61
Packing Group: III
Hazard Class: 6.1
Styrene is a vinyl benzene to replace hydrogen atoms form of organic compounds, vinyl electronics and benzene ring of the conjugate, insoluble in water, soluble in ethanol, ethyl ether, gradually exposed to the air oxidation and polymerization. Industrial is the important monomer of synthetic resin, ion exchange resin and synthetic rubber.
Methyl methacrylate is an organic compound, also known as MMA, or methyl ester. Is an important chemical raw material, is the production of transparent plastic polymethyl methacrylate (organic glass, PMMA) monomer. Flammable, strong pungent odor, moderate toxicity, should avoid long-term contact.
Is polymethyl methacrylate methyl methacrylate monomer (organic glass), also with other vinyl monomer copolymerization products with different properties. Used in the manufacture of organic glass, paint, lubricating oil additives, plastic, adhesive, resin, wood infiltration agents, motor coil soaking agents, ion exchange resin, paper, polish, textile auxiliaries, leather treatment agent, printing and dyeing auxiliaries and insulating pouring material and so on.
Acrylate colorless transparent liquid, insoluble in water, soluble in ethanol, ether. Stored in a cool, ventilated warehouse. Stay away from fire and heat. Library temperature should not be more than 37 ℃. Do not store or store in bulk. Acrylic acid and its esters is widely used in industry, used in the manufacture of acrylic ester solvent and soft monomer, emulsion adhesives can homopolymerization and copolymerization and graft copolymerization, polymer monomer, used as intermediates in organic synthesis.
Butyl Methacrylate is also known as Butyl Methacrylate, or n-butyl Methacrylate, Buthyl methylacrylate (Buthyl methylacrylate) and Buthyl - 2-methylmethacrylate (BMA).
Methyl methacrylate is a colorless, sweet and ester-scented liquid in normal temperature, insoluble in water and soluble in most organic solvents such as alcohol and ether.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
Styrene is a vinyl benzene to replace hydrogen atoms form of organic compounds, vinyl electronics and benzene ring of the conjugate, insoluble in water, soluble in ethanol, ethyl ether, gradually exposed to the air oxidation and polymerization. Industrial is the important monomer of synthetic resin, ion exchange resin and synthetic rubber.
Methyl methacrylate is an organic compound, also known as MMA, or methyl ester. Is an important chemical raw material, is the production of transparent plastic polymethyl methacrylate (organic glass, PMMA) monomer. Flammable, strong pungent odor, moderate toxicity, should avoid long-term contact.
Is polymethyl methacrylate methyl methacrylate monomer (organic glass), also with other vinyl monomer copolymerization products with different properties. Used in the manufacture of organic glass, paint, lubricating oil additives, plastic, adhesive, resin, wood infiltration agents, motor coil soaking agents, ion exchange resin, paper, polish, textile auxiliaries, leather treatment agent, printing and dyeing auxiliaries and insulating pouring material and so on.
Acrylate colorless transparent liquid, insoluble in water, soluble in ethanol, ether. Stored in a cool, ventilated warehouse. Stay away from fire and heat. Library temperature should not be more than 37 ℃. Do not store or store in bulk. Acrylic acid and its esters is widely used in industry, used in the manufacture of acrylic ester solvent and soft monomer, emulsion adhesives can homopolymerization and copolymerization and graft copolymerization, polymer monomer, used as intermediates in organic synthesis.
Butyl Methacrylate is also known as Butyl Methacrylate, or n-butyl Methacrylate, Buthyl methylacrylate (Buthyl methylacrylate) and Buthyl - 2-methylmethacrylate (BMA).
Methyl methacrylate is a colorless, sweet and ester-scented liquid in normal temperature, insoluble in water and soluble in most organic solvents such as alcohol and ether.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
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