发明授权
- 专利标题: Process for dyeing shaped articles of aromatic polycarbonates
- 专利标题(中): 用于染色芳香族聚碳酸酯的成型品的方法
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申请号: US3630664D申请日: 1967-06-07
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公开(公告)号: US3630664A公开(公告)日: 1971-12-28
- 发明人: NENTWIG JOACHIM , FUHR KARL , RUDOLPH HANS , ROMATOWSKI JOHANNES
- 申请人: BAYER AG
- 专利权人: Bayer Ag
- 当前专利权人: Bayer Ag
- 优先权: US64408167 1967-06-07
- 主分类号: D06P1/651
- IPC分类号: D06P1/651 ; D06P3/56 ; D06P3/52
摘要:
Obtaining deep shades and substantially accelerating dyestuff absorption in the dyeing of aromatic polycarbonates with dispersion dyestuffs or developing dyestuffs by carrying out the dyeing process in the presence of an aliphatic, aromatic or mixed aliphatic aromatic carbonate.