Two active agents for soldering, 23 Dibromosuccinic acid and cycloalkanamine hydrobromide were synthesized. A series of ES active solderingfluxes were prepared.
合成了2种助焊活性剂23-二溴丁二酸和环烷基胺氢溴酸盐，制备了ES系列活性助焊剂。
2
Structures and materials used in lead-free wave soldering equipments were different from traditional wave soldering equipments due to characteristic of lead-free solders and fluxes.