| abstract |
The invention discloses a photocurable temperature-sensitive discoloration adhesive, an adhesive composition and preparation and application thereof, wherein the adhesive consists of the following components: acrylic polyurethane 10-20wt%, Bis-GMA 10-20wt% , triethylene glycol dimethacrylic acid 10-20wt%, ethoxylated trimethylolpropane triacrylate 10-20wt%, HEMA 10-20wt%, modified silica 10-20wt%, photoinitiating group It is divided into 1-5wt%, BHT 1-5wt%, KH570 1-5wt% and thermochromic component 1-2wt%. The adhesive of the invention has the characteristics of developing color in vitro and being colorless in the oral environment, and can help doctors to more conveniently remove residues on the tooth surface when bonding and removing brackets. |