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Use of glycerol monooleate as release agent and/or surface tension improver for polymer materials

A technology of glycerol monooleate and polymer material, which is applied in the field of glycerol monooleate as a release agent and/or surface tension enhancer for polymer materials, and can solve the problem of increasing production costs and reducing the production efficiency of auto parts and other problems to achieve the effect of improving production efficiency, improving spraying performance and reducing production costs

Active Publication Date: 2021-04-02
KINGFA SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned processing procedures will undoubtedly reduce the production efficiency of auto parts and increase production costs

Method used

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  • Use of glycerol monooleate as release agent and/or surface tension improver for polymer materials

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A method for preparing a polypropylene material for vehicles, the steps are as follows: in parts by weight, 100 parts of polypropylene PP N-Z30S, 0.1 part of antioxidant 1010, 0.1 part of antioxidant 168, 0.1 part of lubricant EBS, 0.1 part of 1 part of light stabilizer UV-3808PP5 and 0.5 part of glycerol monooleate were added to a high-speed mixer and mixed evenly. Wherein, the temperature of the high-speed mixer is 45° C., and the rotational speed of the high-speed mixer is 300 rpm. Next, put the mixed material into a twin-screw extruder for extrusion, cooling, granulation, and packaging. The temperature of the extruder is 190°C, 215°C, 215°C, 210°C, 210°C, 210°C, 205°C, 205°C from the feeding section to the machine head, the screw speed is 450 rpm, and the screw length-to-diameter ratio for 48.

Embodiment 2

[0038] A method for preparing a polypropylene material for vehicles, the steps are as follows: in parts by weight, 90 parts of polypropylene PP N-Z30S, 10 parts of talcum powder AH51210, 0.2 parts of antioxidant 1010, 0.1 part of antioxidant 168, 0.14 Part of lubricant EBS, 0.15 part of light stabilizer UV-3808PP5 and 0.1 part of glycerol monooleate were added to a high-speed mixer and mixed evenly. Wherein, the temperature of the high-speed mixer is 65° C., and the rotational speed of the high-speed mixer is 120 rpm. Next, put the mixed material into a twin-screw extruder for extrusion, cooling, granulation, and packaging. The temperature of the extruder is 190°C, 215°C, 215°C, 210°C, 210°C, 210°C, 205°C, 205°C from the feeding section to the machine head, the screw speed is 550 rpm, and the screw length-to-diameter ratio for 48.

Embodiment 3

[0040] A method for preparing a polypropylene material for vehicles, the steps are as follows: in parts by weight, 80 parts of polypropylene PP N-Z30S, 20 parts of calcium carbonate AC-MLT03, 0.2 parts of antioxidant 1010, 0.2 parts of antioxidant 168 , 0.14 parts of lubricant EBS, 0.15 parts of light stabilizer UV-3808PP5 and 0.2 parts of glycerol monooleate were added to a high-speed mixer and mixed evenly. Wherein, the temperature of the high-speed mixer is 60° C., and the rotational speed of the high-speed mixer is 150 rpm. Next, put the mixed material into a twin-screw extruder for extrusion, cooling, granulation, and packing. The temperature of the extruder is 190°C, 215°C, 215°C, 210°C, 210°C, 210°C, 205°C, 205°C from the feeding section to the machine head, the screw speed is 500 rpm, and the screw length-to-diameter ratio for 52.

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Abstract

The invention discloses a new application of glyceryl monooleate, and particularly relates to an application of glyceryl monooleate as a release agent and / or a surface tension improver for a high polymer material, the purity of glyceryl monooleate is greater than or equal to 99.5%, and the high polymer material is a polypropylene material for vehicles. In the polypropylene material for the vehicle, the weight ratio of polypropylene to glyceryl monooleate is (60-100): (0.1-0.5). According to the method provided by the invention, glyceryl monooleate is added into the automotive polypropylene material, so that the demolding force of the material can be greatly reduced, the surface tension of the material can be greatly improved, and the spraying performance of the material can be improved, thereby replacing external spraying of a demolding agent and flame treatment in the existing automobile part production, improving the production efficiency of automobile parts, reducing the productioncost, and widening the application range of the glyceryl monooleate.

Description

technical field [0001] The invention belongs to the technical field of polymer material modification, and in particular relates to the use of glyceryl monooleate as a release agent and / or a surface tension raising agent for polymer materials. Background technique [0002] With the development of social informatization and intelligence, modularization, standardization, and intelligence of the automobile industry are undoubtedly an important development direction, which requires optimization and improvement of the production process of auto parts to improve production efficiency. Among the many types of plastics used in automobiles, the development and application of polypropylene (PP) materials in automobiles has always been the focus of attention of the automobile industry and the plastics industry. However, in the prior art, when using materials such as PP to injection mold auto parts, in order to release the product smoothly, it is necessary to spray a release agent on the...

Claims

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Application Information

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IPC IPC(8): C08K5/103C08L23/12C08K13/02C08K3/34C08K3/26C08K5/134C08K5/526C08K5/20
CPCC08K5/103C08K13/02C08K3/34C08K3/26C08K5/1345C08K5/526C08K5/20C08K2003/265C08L23/12
Inventor 袁强俞飞吴国峰赖昂丁正亚杨波罗忠富
Owner KINGFA SCI & TECH CO LTD