Photoinitiator composition capable of initiating via visible light and its use
A photoinitiator and composition technology, which is applied in the direction of non-polymer organic compound adhesives, adhesives, coatings, etc., can solve the problems that visible photoinitiators are expensive, inconvenient to use, and difficult to promote and use.
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Embodiment 1
[0097] Photoinitiator composition 1:
[0098] The photoinitiator is ITX, and the co-initiator is DEA-TMPTA
[0099] ITX: DEA-TMPTA weight ratio = 1:5
[0100] Specific formula:
[0101] Bisphenol A epoxy acrylate 40wt%
[0102] TPGDA 15wt%
[0103] TMPTA 17wt%
[0104] Photoinitiator composition 1 18wt%
[0105] 1250 mesh talcum powder 10wt%
[0106] Uses: varnish
[0107] The curing time of the formula sample of embodiment 1 under the indium lamp is 5 seconds
Embodiment 2
[0111] Photoinitiator composition 2:
[0112] The photoinitiator is BMS, and the co-initiator is DEA-TMPTA
[0113] BMS: DEA-TMPTA weight ratio = 1:9
[0114] Specific formula:
[0115] PDDA 50wt%
[0116] HDDA 10wt%
[0117] TMPTA 20wt%
[0118] Photoinitiator composition 2 20wt%
[0119] Uses: varnish
[0120] The curing time of the formula sample of embodiment 2 under the indium lamp is 4 seconds
Embodiment 3
[0124] Photoinitiator composition 3:
[0125] The photoinitiator is CTX and BP, and the co-initiator is DEA-TMPTA
[0126] CTX:BP:DEA-TMPTA weight ratio=1:1:8
[0127] Specific formula:
[0128] Bisphenol A epoxy acrylate 30wt%
[0129] TMPTA 10wt%
[0130] PO-NPGDA 10wt%
[0131] EO-TMPTA 20wt%
[0132] Photoinitiator composition 3 20wt%
[0133] OK-500 10wt%
[0134] Uses: varnish
[0135] The curing time of the formula sample of embodiment 3 under the indium lamp is 6 seconds
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