一种低COD低氨氮剥膜液及其制备方法
By preparing a low-COD, low-ammonia nitrogen stripping solution, the synergistic effect of hydroxyl silicone oil, composite alkali, and penetrating composite additives is utilized to solve the problems of high COD and high ammonia nitrogen content in existing stripping solutions, achieving efficient stripping and environmentally friendly stripping effects, suitable for printed circuit boards and other fields.
CN121115431BActive Publication Date: 2026-07-17SHENZHEN TIANXI SCI DEV CO LTD
Patent Information
- Application Number
- CN202511559166.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-29
- Publication Date
- 2026-07-17
- Estimated Expiration
- 2045-10-29
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Abstract
本发明涉及剥膜技术领域，具体涉及一种低COD低氨氮剥膜液及其制备方法。所述低COD低氨氮剥膜液，其特征在于，由以下质量百分数原料组成：15‑30wt%脱膜剂、15‑28wt%复合碱、5‑10wt%渗透型复合助剂、0.5‑2wt%十二烷基二苯醚二磺酸钠、0.5‑2wt%柠檬酸、余量为溶剂，所述渗透型复合助剂由复合渗透剂和树脂混合而成。发明的剥膜液在剥膜后的废液中，COD含量低至5113mg / L，氨氮含量低至388mg / L，同时对电路板中的“干膜”具有良好的剥离作用。
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Citation Information
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