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Abstract:
无VOC环氧基Sn‑Bi无铅焊,属于焊接领域。其组成按质量百分数配比为6‑18%的可固化助焊体系,余量为Sn‑58Bi的钎料粉末。所述可固化助焊体系由环氧组合物、活性剂和促进剂组成;所述环氧组合物由环氧树脂和固化剂组成;所述活性剂由有机酸和有机胺组成。本发明所述环氧基Sn‑Bi无铅焊膏不含VOC,同时采用的环氧固化剂为自制改性固化剂,具有潜伏性特征,可延长焊膏的储存期。与市售Sn‑Bi无铅焊膏产品相比,无VOC环氧基Sn‑Bi无铅焊膏的配方成本相差不大。所选用材料均为常见材料,成本较低。配制工艺也没有特殊要求,不会导致成本增加。
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Patent Info :
Type: 发明申请
Patent No.: CN202310316543.3
Filing Date: 2023-03-28
Publication Date: 2023-08-15
Pub. No.: CN116586814A
Applicants: 北京工业大学
Legal Status: 实质审查
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WoS CC Cited Count: 0
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