Paste forming body for water-based aluminum-based soldering paste and water-based aluminum-based soldering paste

A paste-forming, aluminum-based technology, applied in welding media, welding equipment, welding/cutting media/materials, etc., can solve problems such as unfavorable health of workers and environmental protection, heavy odor, welding failure, etc., and achieve increased storage stability Sex, increase the activity of solder paste, avoid the effect of direct contact
CN113601062AActive Publication Date: 2021-11-05ZHEJIANG ASIA GENERAL SOLDERING & BRAZING MATERIAL
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG ASIA GENERAL SOLDERING & BRAZING MATERIAL
Publication Date
2021-11-05

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Abstract

The invention discloses a paste forming body for a water-based aluminum-based soldering paste and the water-based aluminum-based soldering paste. The paste forming body comprises a paste forming body I and a paste forming body II. The paste forming body I is prepared from, by weight, 0.1-0.5% of styrene-butadiene-styrene block copolymer, 95-99% of isohexadecane and 0.5-4.9% of polyacrylamide isoparaffin lauryl alcohol ether. The paste forming body II comprises, by weight, 0.1-20% of a thickening dispersant, 5-20% of a water-based additive and 60-94.9% of a water-based solvent. The water-based aluminum-based soldering paste containing the paste forming bodies has excellent storage stability and coating performance while the preventing the brazing performance from being reduced.
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Description

technical field

[0001] The invention belongs to the field of brazing materials, in particular to a paste body for water-based aluminum-based solder paste and the water-based aluminum-based solder paste. Background technique

[0002] There are various forms of solder used in aluminum-aluminum (aluminum alloy) and aluminum-stainless steel brazing in the industry, such as strips, strips, rings, powders, etc. However, these forms of solder are supplied in specific shapes. Once the shape of the finished product is made, it is difficult to change it, so the adaptability of the process is not strong. As a paste-like brazing material, solder paste can be applied to the weld seam by manual brushing or automatic injection and feeding. The dosage is controllable, and the shape of the weld seam can be changed arbitrarily. , Welding processing of weldments with high dimensional accuracy.

[0003] Traditional oil-based or solvent-based aluminum-based solder pastes have problems such as ...

Claims

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