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Fluorine-free aluminum zinc alloy water base release agent and preparation method thereof

A zinc alloy and release agent technology, applied in metal processing equipment, manufacturing tools, casting molding equipment, etc., can solve the problems of low dilution, large price fluctuations, uneven quality, etc., and achieve uniform and uneven film formation. Accumulation, reducing thermal and mechanical shock effects, and improving mold life

Inactive Publication Date: 2013-10-09
厦门汉旭硅材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the aluminum-zinc alloy die-casting release agents used in the die-casting industry generally refer to water-based release agents. There are a few products in the domestic market, with uneven quality and large price fluctuations.
Moreover, in order to maintain the basic mold release performance of domestic products, they must maintain a relatively high solid content during use, so the dilutable multiples of adding water are low, generally 50 to 80 times
The dilution ratio of foreign release agent brands with water can be maintained at 120-200 times in actual use, but the price is higher than that of domestic products

Method used

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  • Fluorine-free aluminum zinc alloy water base release agent and preparation method thereof
  • Fluorine-free aluminum zinc alloy water base release agent and preparation method thereof
  • Fluorine-free aluminum zinc alloy water base release agent and preparation method thereof

Examples

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Effect test

Embodiment 1

[0041] Weigh raw materials according to the following composition, and prepare 100kg of the fluorine-free aluminum-zinc alloy water-based release agent of the present invention:

[0042]

[0043] The preparation method is as follows:

[0044] Stir 3kg of Tween 80, 1.5kg of sodium oleate, 0.5kg of sodium polyacrylate, 0.5kg of Pluronic F127 and 0.3kg of stearyl alcohol in 10kg of water at room temperature, then add 20kg of polyethylene wax 2500 and 10kg of dimethylformaldehyde Base silicone oil, 1kg hydroxy silicone oil and 52.1kg water, after stirring and mixing evenly, the temperature was raised to 75°C, after constant temperature stirring for 1.5h, 0.1kg of 2-methyl-4-isothiazolin-3-one was added, and the mixture was prepared after stirring evenly. The aluminum-zinc alloy water-based release agent described in the invention.

Embodiment 2

[0046] Weigh raw materials according to the following composition, and prepare 100kg of the fluorine-free aluminum-zinc alloy water-based release agent of the present invention:

[0047]

[0048] The preparation method is the same as in Example 1, the stirring temperature is 60° C., and the stirring time is 3 hours.

Embodiment 3

[0050] Weigh raw materials according to the following composition, and prepare 100kg of the fluorine-free aluminum-zinc alloy water-based release agent of the present invention:

[0051]

[0052] The preparation method is the same as in Example 1, the stirring temperature is 80° C., and the stirring time is 1 h.

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Abstract

The invention discloses a fluorine-free aluminum zinc alloy water base release agent and a preparation method thereof, relates to a release agent, and provides the fluorine-free aluminum zinc alloy water base release agent which has the advantages of high dilution ratio, stable performance and superior release effect and the preparation method thereof. The fluorine-free aluminum zinc alloy water base release agent comprises the following raw materials: polyethylene wax, dimethyl silicone oil, hydroxyl silicone oil, a composite emulsifier, a sterilizing preservative and water. The fluorine-free aluminum zinc alloy water base release agent is prepared by the following steps of: uniformly stirring tween, sodium carboxylate, polyether nonionic surfactant and fatty alcohol in water; adding the polyethylene wax, the dimethyl silicone oil, the hydroxyl silicone oil and the balance of water; heating to 60-80 DEG C; stirring at a constant temperature for 1-3 hours; then adding the sterilizing preservative; and uniformly stirring.

Description

technical field [0001] The invention relates to a release agent, in particular to a water-based release agent for aluminum-zinc alloy die-casting release and a preparation method thereof. Background technique [0002] After entering the 21st century, China's die-casting industry has achieved remarkable development. The national casting output has increased at an average annual rate of 10.9%, ranking first in the world for 10 consecutive years. Among them, aluminum, zinc, copper and other non-ferrous alloys have the fastest growth rate, and more than 80% of the total non-ferrous castings are aluminum alloys. Aluminum alloy die-casting products are widely used in automobiles, motorcycles, electronic appliances, mechanical instruments, hardware and other industries. Among all these casting applications, the automotive industry is firmly the largest market for the die-casting industry in terms of the number, variety, quality, and amount of metal materials used in parts. In rec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22C3/00B22D17/22B22D29/04
Inventor 李磊龚剑亮丁建云陈财康
Owner 厦门汉旭硅材料科技有限公司
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