News Details
Tertiary amine epoxy coating crosslinking agent
2017-7-14 16:11:30
Tertiary amine epoxy coating crosslinking agent: N, N-dimethylaniline, DMPA, light yellow oily liquid, molecular weight 121, per 100 parts of standard resin with 1-3 parts, cross-linked: room temperature,
Tertiary amine type epoxy crosslinking agent: triethanolamine, TEOA, colorless liquid, molecular weight 149, 10-15 parts per 100 parts of standard resin, crosslinking: 80C 4 hours / 120C for 2 hours
Tertiary amine type epoxy crosslinking agent: triethylamine, TEA, colorless liquid, molecular weight 101, 10-15 parts per 100 parts of standard resin, crosslinking: 100 ° C 1 hour
2,4-tris (dimethylaminomethyl) phenol, DMP-30, K-54, HY-960, light yellow liquid, molecular weight 249, 15 parts per 100 parts of standard resin, 1IHJF
Benzyl dimethylamine, BDMA, colorless liquid, molecular weight 135, 15 parts per 100 parts of standard resin, crosslinked: room temperature 3 hours / 80 ° C 0.5 hours
O-hydroxybenzyl dimethylamine, DMP-10, colorless liquid, molecular weight 151, 16 parts per 100 parts of standard resin, crosslinked: room temperature 2 hours / 80 ° C0.2 hours
594 ,,, yellow brown liquid, 4-12 parts per 100 parts of standard resin, crosslinking: room temperature 2 hours / 80 ℃0.2 hours, good thermal stability, toughness, low temperature resistance is poor.
595, yellow-brown liquid, 4-9 parts per 100 parts of standard resin, crosslinked: room temperature 2 hours / 80 ° C0.2 hours
Dimethylaminodimethane, TMD, molecular weight 254, 0.5-2 parts per 100 parts of standard resin, crosslinked: 80 ° C for 3 hours
(2-ethylhexanoic acid) salt of DMP-30, K-61B, viscosity, 500-700 cps
Chinese name: Diethyl toluene diamine(DETDA)
Diethyltoluenediamine Uses:
Tertiary amine type epoxy crosslinking agent: triethanolamine, TEOA, colorless liquid, molecular weight 149, 10-15 parts per 100 parts of standard resin, crosslinking: 80C 4 hours / 120C for 2 hours
Tertiary amine type epoxy crosslinking agent: triethylamine, TEA, colorless liquid, molecular weight 101, 10-15 parts per 100 parts of standard resin, crosslinking: 100 ° C 1 hour
2,4-tris (dimethylaminomethyl) phenol, DMP-30, K-54, HY-960, light yellow liquid, molecular weight 249, 15 parts per 100 parts of standard resin, 1IHJF
Benzyl dimethylamine, BDMA, colorless liquid, molecular weight 135, 15 parts per 100 parts of standard resin, crosslinked: room temperature 3 hours / 80 ° C 0.5 hours
O-hydroxybenzyl dimethylamine, DMP-10, colorless liquid, molecular weight 151, 16 parts per 100 parts of standard resin, crosslinked: room temperature 2 hours / 80 ° C0.2 hours
594 ,,, yellow brown liquid, 4-12 parts per 100 parts of standard resin, crosslinking: room temperature 2 hours / 80 ℃0.2 hours, good thermal stability, toughness, low temperature resistance is poor.
595, yellow-brown liquid, 4-9 parts per 100 parts of standard resin, crosslinked: room temperature 2 hours / 80 ° C0.2 hours
Dimethylaminodimethane, TMD, molecular weight 254, 0.5-2 parts per 100 parts of standard resin, crosslinked: 80 ° C for 3 hours
(2-ethylhexanoic acid) salt of DMP-30, K-61B, viscosity, 500-700 cps
Chinese name: Diethyl toluene diamine(DETDA)
Diethyltoluenediamine Uses:
The product is identical to Ethancure 100 and Lonza DETDA 80, DETDA is very effective polyurethane elastomer chain extender; also be used as polyurethane and epoxy resin curing agent, epoxy resin of an antioxidant, industrial oils and lubricants . In addition, also as intermediates in organic synthesis.Especially for the RIM (reaction injection molding), is important in the field of spray polyurea chain extender species. Also can be used for casting polyurethane elastomer (CPU) and a curing agent, epoxy curing agent, epoxy resin of antioxidants, lubricants and industrial oils other antioxidants.
Hexahydropyridine, 60-100 ° C for 6-14 hours
The maximum absorption spectra of the sulfur and iodide salts are in the far ultraviolet region and not in the UV region. Usually by expanding the degree of conjugation of the salt, so that the maximum absorption to the long wave direction, or with the sensitizer composed of complex initiator to improve the spectral characteristics of salt. Commonly used sensitizers are some free radical photoinitiators, such as pyrene, anthracene and thiazide, or thioxanthone and xanthone, but the latter two can only be associated with iodine salt.
Peng et al. Synthesized a variety of triaryl sulfonium hexafluoroantimonate as a photoinitiator to study the cationic photoluminescence of epoxy polymethylsiloxane (EPS) and bisphenol A epoxy resin E-44 The influencing factors of joint speed. The results showed that the structure and concentration of photoinitiator and the sensitizer of anthracene, phenol and thiazide had different effects on the photocatalytic speed.
The photocrosslinking composition with good crosslinking speed and good mechanical properties can be obtained by this method, which has obvious post-crosslinking property caused by active polymerization. It is expected to be used as photocrosslinking coating, adhesive, sealing material, electrical insulation Materials and electronic components such as packaging materials, in the field of high-tech applications.
The initiator has the general formula: S + Ar2 Ar1 Ar3 SbF6- wherein Ar1, Ar3 is phenyl and Ar2 is benzene, toluene or t-butylbenzene. The mechanism of cross-linking is that the excited phase of the triarylthioferheno hexafluoroantimonate, which absorbs certain wavelengths of ultraviolet light, is further decomposed to produce free fluoranthenic acid HSbF6. According to Crivello's photolysis theory, Ar3S + SbF6- (Ar2S + Ar) SbF6-hv Ar2S + + Ar + SbF6 - Ar3S + + R - HAr2S + - H + R Ar2S + - H + SbF6 - Ar2S + H + SbF6 - wherein RH is an active hydrogen containing compound.
Photolysis of H + SbF6 - is a lively Bro ?? nsted acid, easily dissociated from H +, triggering polyfunctional epoxy prepolymers for cationic ring-opening polymerization and finally crosslinking the bulk polymers. The crosslinking process can be accomplished simultaneously by the bond growth reaction of two active centers of oxygen ions and carbon ions.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
Hexahydropyridine, 60-100 ° C for 6-14 hours
The maximum absorption spectra of the sulfur and iodide salts are in the far ultraviolet region and not in the UV region. Usually by expanding the degree of conjugation of the salt, so that the maximum absorption to the long wave direction, or with the sensitizer composed of complex initiator to improve the spectral characteristics of salt. Commonly used sensitizers are some free radical photoinitiators, such as pyrene, anthracene and thiazide, or thioxanthone and xanthone, but the latter two can only be associated with iodine salt.
Peng et al. Synthesized a variety of triaryl sulfonium hexafluoroantimonate as a photoinitiator to study the cationic photoluminescence of epoxy polymethylsiloxane (EPS) and bisphenol A epoxy resin E-44 The influencing factors of joint speed. The results showed that the structure and concentration of photoinitiator and the sensitizer of anthracene, phenol and thiazide had different effects on the photocatalytic speed.
The photocrosslinking composition with good crosslinking speed and good mechanical properties can be obtained by this method, which has obvious post-crosslinking property caused by active polymerization. It is expected to be used as photocrosslinking coating, adhesive, sealing material, electrical insulation Materials and electronic components such as packaging materials, in the field of high-tech applications.
The initiator has the general formula: S + Ar2 Ar1 Ar3 SbF6- wherein Ar1, Ar3 is phenyl and Ar2 is benzene, toluene or t-butylbenzene. The mechanism of cross-linking is that the excited phase of the triarylthioferheno hexafluoroantimonate, which absorbs certain wavelengths of ultraviolet light, is further decomposed to produce free fluoranthenic acid HSbF6. According to Crivello's photolysis theory, Ar3S + SbF6- (Ar2S + Ar) SbF6-hv Ar2S + + Ar + SbF6 - Ar3S + + R - HAr2S + - H + R Ar2S + - H + SbF6 - Ar2S + H + SbF6 - wherein RH is an active hydrogen containing compound.
Photolysis of H + SbF6 - is a lively Bro ?? nsted acid, easily dissociated from H +, triggering polyfunctional epoxy prepolymers for cationic ring-opening polymerization and finally crosslinking the bulk polymers. The crosslinking process can be accomplished simultaneously by the bond growth reaction of two active centers of oxygen ions and carbon ions.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
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