| 摘要 |
A plastic for manufacturing orthodontic appliances and orthopedic constructions contains suspension copolymer of methyl and butyl methacrylates, methyl methacrylate and hydrochinone. The plastic in addition contains dihydrooxyethyl paratoluidine and color concentrates: red (methyl methacrylate, oil soluble red color), yellow (methyl methacrylate, oil soluble yellow color), green (methyl methacrylate, oil soluble green color). |
