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Cold stamping die mold-releasing agent capable of improving mold-releasing efficiency

A cold stamping and release agent technology, applied in the petroleum industry, lubricating compositions, etc., can solve problems such as corrosion of metal surfaces, and achieve the effect of reducing frictional heat, easy demoulding, and preventing oxidation or aggregation to form precipitation

Inactive Publication Date: 2017-06-13
MAANSHAN LANKE REMFG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The currently commercially available silicone polymer is the most suitable release agent, but it is very easy to generate acidic substances during use, and then corrode the metal surface, so it is urgent to develop a new high-performance release agent

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A cold stamping mold release agent that improves the demoulding efficiency, made of the following components in parts by weight: 19 parts of phenyltrimethylsilane, 15 parts of methyltribromosilane, 10 parts of tetraethyl silicate, trimethyl 25 parts of silanol, 0.1 part of sodium methacrylate, 0.4 part of sodium ethylenediaminopropane sulfonate, 2 parts of sodium glycerophosphate, 0.2 part of cocoyl diethanolamide, 1 part of 4-nonylphenol, iso-lemon 3 parts of acid trisodium salt, 120 parts of No. 46 mechanical oil, 200 parts of deionized water;

[0015] The pH of the above-mentioned Cocoyl Diethanolamide is 8.5, the active matter content is 95%, and the total amine value is 125;

[0016] The kinematic viscosity of the above No. 46 mechanical oil at 40°C is 43.2mm 2 / s, the lightning is 220°C, and the pour point is -12°C.

[0017] Specifically, the above method for preparing a mold release agent for cold stamping molds that improves mold release efficiency includes th...

Embodiment 2

[0020] A cold stamping mold release agent that improves the demoulding efficiency, made of the following components in parts by weight: 21 parts of phenyltrimethylsilane, 17 parts of methyltribromosilane, 13 parts of tetraethyl silicate, trimethyl 27 parts of silanol, 0.1 part of sodium methacrylate, 0.5 part of sodium ethylenediaminopropane sulfonate, 3 parts of sodium glycerophosphate, 0.3 part of cocoyl diethanolamide, 1 part of 4-nonylphenol, iso-lemon 4 parts of acid trisodium salt, 125 parts of No. 46 mechanical oil, 225 parts of deionized water;

[0021] The pH of the above-mentioned cocoyl diethanolamide is 9.0, the active matter content is 95%, and the total amine value is 140;

[0022] The kinematic viscosity of the above No. 46 mechanical oil at 40°C is 43.2mm 2 / s, the lightning is 220°C, and the pour point is -12°C.

[0023] Specifically, the above method for preparing a mold release agent for cold stamping molds that improves mold release efficiency includes th...

Embodiment 3

[0026] A cold stamping mold release agent that improves the demoulding efficiency, made of the following components by weight: 23 parts of phenyltrimethylsilane, 18 parts of methyltribromosilane, 15 parts of tetraethyl silicate, trimethyl 28 parts of silanol, 0.2 part of sodium methacrylate, 0.6 part of sodium ethylenediaminopropane sulfonate, 4 parts of sodium glycerophosphate, 0.4 part of cocoyl diethanolamide, 2 parts of 4-nonylphenol, isocimon 5 parts of acid trisodium salt, 130 parts of No. 46 mechanical oil, 250 parts of deionized water;

[0027] The pH of the above-mentioned Cocoyl Diethanolamide is 10.5, the active matter content is 95%, and the total amine value is 155;

[0028] The kinematic viscosity of the above No. 46 mechanical oil at 40°C is 43.2mm 2 / s, the lightning is 220°C, and the pour point is -12°C.

[0029] Specifically, the above method for preparing a mold release agent for cold stamping molds that improves mold release efficiency includes the follow...

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Abstract

The invention discloses a cold stamping die mold-releasing agent capable of improving the mold-releasing efficiency. The cold stamping die mold-releasing agent is prepared from the following components in parts by weight: 19 to 23 parts of phenyltrimethylsilane, 15 to 18 parts of methyltribromosilane, 10 to 15 parts of tetraethyl orthosilicate, 25 to 28 parts of trimethylsilanol, 0.1 to 0.2 part of sodium methallyl sulfonate, 0.4 to 0.6 part of sodium ethylenediamine propane sulfonate, 2 to 4 parts of sodium glycerophosphate, 0.2 to 0.4 part of cocoyl diethanolamide, 1 to 2 parts of 4-nonylphenol, 3 to 5 parts of isocitric acid trisodium salt, 120 to 130 parts of No. 46 machine oil and 200 to 250 parts of de-ionized water. The cold stamping die mold-releasing agent provided by the invention has excellent de-molding performance and no pollution; after the cold stamping die mold-releasing agent is used, the surface of a prepared casting is smooth and clean and has no air pores; the abrasion of the casting and a die cavity can be extremely reduced, and the cavity is protected; the cold stamping die mold-releasing agent has the effects of lubricating and easily de-molding the casting.

Description

technical field [0001] The invention belongs to the field of mold release agent manufacturing, and in particular relates to a mold release agent for cold stamping dies that improves mold release efficiency. Background technique [0002] Cold stamping is a pressure processing method that uses a stamping die to apply pressure to a sheet or hot material on a press at room temperature to cause plastic deformation or separation to obtain parts of the desired shape and size. Cold stamping includes two basic processes: (1) separation process: the stamping workpiece and the sheet are separated from each other along the required contour line; (2) forming process: the blank undergoes plastic deformation under the condition of not being damaged to obtain the desired shape, Dimensions and precision processing methods. In order to make the molded castings easy to separate, it is often necessary to use a release agent. The release agent is a functional processing aid that assists release...

Claims

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Application Information

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IPC IPC(8): C10M173/00C10N40/36
CPCC10M173/00C10M2201/02C10M2207/023C10M2207/124C10M2215/082C10M2219/044C10M2223/042C10M2227/02C10M2227/04C10N2010/02C10N2040/36
Inventor 陈坦和陈明祥于初宏
Owner MAANSHAN LANKE REMFG TECH
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