Halogen-free low-splashing agent for solder wire, manufacturing method of halogen-free low-splashing agent and solder wire

By optimizing the raw material formula and preparation process of solder wire agents, halogen-free, low-spatter solder wire was produced, which solved the problem of spatter during welding and achieved high-quality welding and improved environmental protection.

CN120619679AActive Publication Date: 2025-09-12浙江强力控股有限公司
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Patent Information

Application Number
CN202511081119.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-04
Publication Date
2025-09-12
Estimated Expiration
2045-08-04

AI Technical Summary

Technical Problem

Traditional solder wire is prone to spattering during the welding process, affecting welding quality and causing harm to operators, and existing technologies are difficult to effectively solve this problem.

Method used

Halogen-free, low-spatter solder wire agents are used. The raw material formula includes polymerized rosin, activator and film-forming agent. Through optimized formula and process preparation, a stable protective film is formed to suppress spatter, and improve wetting performance and welding reliability.

Benefits of technology

It can effectively suppress spatter during welding, improve welding quality and reliability, reduce operation risks, and the raw materials are easily available, low cost, and environmentally friendly.

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Abstract

The invention discloses a halogen-free low-splashing solder wire agent, a manufacturing method thereof and a solder wire, and the halogen-free low-splashing solder wire agent comprises the following raw materials in percentage by weight: 88%-95% of polymerized rosin, 4%-13% of an active agent and 0.2%-1.6% of a film-forming agent, wherein the active agent comprises a main active agent and an auxiliary active agent, based on the total weight of the raw materials of the agent, the main active agent is formed by compounding 2%-5% of dimethylolpropionic acid and 2%-5% of maleic anhydride, and the auxiliary active agent comprises 0.1%-0.6% of triton X-100; the film-forming agent comprises at least one of polyethylene glycol dimethacrylate and sodium carboxymethyl cellulose. The preparation method of the agent is simple, reasonable and easy to operate, and the obtained agent can effectively inhibit splashing, has excellent wettability and welding reliability, and well meets market requirements.
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