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Die-casting mold releasing agent and preparation method thereof

A release agent and emulsifier technology, applied in the field of casting coatings, can solve the problems of affecting the appearance of die-casting parts, unsatisfactory emulsification effect, and weak demoulding ability, etc., to shorten the cycle time of die-casting, white appearance and low production cost low effect

Inactive Publication Date: 2017-11-10
佛山市高质压铸材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The second is the domestic mold release agent, which has good mold release performance, but the emulsification effect is not ideal
The die-casting release agents currently produced in China use vaseline and mineral oil as the main raw materials. Compared with imported release agents, carbon deposits are easy to occur during use, which affects the appearance of die-casting parts. The ratio of water to water is low and the release ability is not strong. and other shortcomings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A die-casting release agent, consisting of the following components in percentage by weight:

[0022] American Mito 334 modified silicone oil 15%, oxidized polyethylene wax emulsion 3.2%, trihydroxypropane oleate emulsion 10%, Turkish red oil 1%, emulsifier OP-103%, and the balance is deionized water; The color of the die-casting release agent is milky white.

[0023] Preparation:

[0024] 1) According to the proportion, weigh American Momentive 334 modified silicone oil, oxidized polyethylene wax emulsion, trihydroxypropane oleate emulsion, Turkish red oil, emulsifier OP-10 and deionized water for later use;

[0025] 2) Firstly mix Momentive 334 modified silicone oil with emulsifier OP-10 at a low speed for 10 minutes, then put it into a high-speed shear disperser, emulsify the silicone oil by reverse emulsification at room temperature to obtain a silicone oil emulsion, and then add oxidized polymer Ethylene wax emulsion, trihydroxypropane oleate emulsion and Turkish...

Embodiment 2

[0027] A die-casting release agent, consisting of the following components in percentage by weight:

[0028] Momentive 334 modified silicone oil 16.5%, oxidized polyethylene wax emulsion 3.6%, trihydroxypropane oleate emulsion 11%, Turkish red oil 1.5%, emulsifier OP-104%, the balance is deionized water; The color of the die-casting release agent is milky white.

[0029] Preparation:

[0030] 1) According to the proportion, weigh American Momentive 334 modified silicone oil, oxidized polyethylene wax emulsion, trihydroxypropane oleate emulsion, Turkish red oil, emulsifier OP-10 and deionized water for later use;

[0031] 2) Firstly mix Momentive 334 modified silicone oil and emulsifier OP-10 at low speed for 12 minutes, then put it into a high-speed shear disperser, and emulsify the silicone oil by reverse emulsification method at room temperature to obtain a silicone oil emulsion, then add oxidized polymer Ethylene wax emulsion, trihydroxypropane oleate emulsion and Turkish...

Embodiment 3

[0034] A die-casting release agent, consisting of the following components in percentage by weight:

[0035] American Mito 334 modified silicone oil 18%, oxidized polyethylene wax emulsion 4%, trihydroxypropane oleate emulsion 12%, Turkish red oil 2%, emulsifier OP-105%, and the balance is deionized water; The color of the die-casting release agent is milky white.

[0036] Preparation:

[0037] 1) According to the proportion, weigh American Momentive 334 modified silicone oil, oxidized polyethylene wax emulsion, trihydroxypropane oleate emulsion, Turkish red oil, emulsifier OP-10 and deionized water for later use;

[0038] 2) First, mix Momentive 334 modified silicone oil and emulsifier OP-10 at low speed for 13 minutes, then put it into a high-speed shear disperser, emulsify the silicone oil by reverse emulsification at room temperature to obtain a silicone oil emulsion, and then add oxidized polymer Ethylene wax emulsion, trihydroxypropane oleate emulsion and Turkish red o...

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Abstract

The invention provides a die-casting mold releasing agent and a preparation method thereof. The die-casting mold releasing agent is prepared from, by weight, 15%-18% of modified organic silicone oil, 3.2%-4% of oxidized polyethlene wax emulsion, 10%-12% of oleate emulsion, 1%-2% of Turkey red oil, 3%-5% of emulsifier and the balance water. The preparation method comprises the steps that (1), the modified organic silicone oil, the oxidized polyethlene wax emulsion, the oleate emulsion, the Turkey red oil, the emulsifier and the water are weighed according to the proportion for use; and (2), the modified organic silicone oil and the emulsifier are mixed firstly and then put into a high-speed shearing disperser, the silicone oil is emulsified through a reverse emulsifying method at normal temperature to obtain a silicone oil emulsion, then the oxidized polyethlene wax emulsion, the oleate emulsion and the Turkey red oil are added into the silicone oil emulsion, all the materials are mixed to be uniform to obtain a mixed emulsion, and then the mixed emulsion is subjected to homogenization treatment through a high pressure homogenizer, and therefore the die-casting mold releasing agent can be obtained. The die-casting mold releasing agent is good in high temperature resistance, the spray quantity of the mold releasing agent is small, the die-casting circulating period is shortened, and the production efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of casting coatings, and in particular relates to a die-casting release agent and a preparation method thereof. Background technique [0002] Die casting is an important support for the automotive industry and the electronics industry. Release agent is an essential auxiliary agent for the production of metal die casting products. Its main function is to help the metal die casting product to be removed from the mold, and to maintain the integrity and post-processing of the product. Among them, compared with the traditional oil-based release agent, the emulsion-like water-based release agent has the advantages of good cooling effect, no accumulation, good surface quality of castings, helps to reduce internal pores, and is safe, clean, and pollution-free. , is currently the mainstream product of die-casting release agent. [0003] The metal die-casting release agents in the domestic market are mainly divided...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C3/00B22D17/22
CPCB22C3/00B22D17/2209
Inventor 侯刚
Owner 佛山市高质压铸材料有限公司
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