Color sorter sheath material and preparation method thereof

A technology of sheath material and color sorter, which is applied in the field of materials, can solve the problems of poor mechanical properties, easy stress cracking, and low surface hardness of high-density polyethylene, and achieve the goal of improving bonding strength, improving protection performance, and improving bonding strength Effect

Inactive Publication Date: 2019-11-19
ANHUI ZHONGKE OPTIC ELECTRONICS COLOR SORTER MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the poor mechanical properties of high-density polyethylene, it is easy to be brittle, easy to stress cracking, low surface hardness, easy to scratch and other defects. At present, it is necessary to continuously improve its mechanical properties when it is used as a sheath material to meet the requirements of the substrate. protective effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A color sorter sheath material, which is composed of the following raw materials in parts by weight:

[0019] Polyvinylpyrrolidone 4, zinc naphthenate 0.3, phthalate 8, polyvinyl chloride 200, graphene oxide 21, calcium stearate 3-5, palm wax 7, β-hydroxyalkylamide 9, cyclo Oxypropanol 10, methyl methacrylate 20, sodium methoxide 0.1-0.2.

[0020] A preparation method for a sheath material of a color sorter, comprising the following steps:

[0021] (1) Take polyvinylpyrrolidone, add it to deionized water 30 times its weight, and stir evenly to obtain a polymer aqueous solution;

[0022] (2) Mix methyl methacrylate and glycidyl alcohol, add it to the above-mentioned polymer aqueous solution, stir evenly, send it into a stainless steel reaction kettle, feed nitrogen gas, adjust the temperature of the reaction kettle to 100°C, and stir for 2 hours. , adding sodium methoxide, adjusting the temperature of the reaction kettle to 160°C, keeping the temperature and stirring f...

Embodiment 2

[0028] A color sorter sheath material, which is composed of the following raw materials in parts by weight:

[0029] Polyvinylpyrrolidone 2, zinc naphthenate 0.1, phthalate 5, polyvinyl chloride 170, graphene oxide 16, calcium stearate 3, palm wax 6, β-hydroxyalkylamide 5, epoxypropylene Alcohol 7, methyl methacrylate 13, sodium methoxide 0.1.

[0030] A preparation method for a sheath material of a color sorter, comprising the following steps:

[0031] (1) Take polyvinylpyrrolidone, add it to deionized water 27 times its weight, and stir evenly to obtain a polymer aqueous solution;

[0032] (2) Mix methyl methacrylate and glycidyl alcohol, add it to the above-mentioned polymer aqueous solution, stir evenly, send it into a stainless steel reaction kettle, feed nitrogen gas, adjust the temperature of the reaction kettle to 90°C, and stir for 1 hour. , add sodium methoxide, adjust the temperature of the reaction kettle to 150°C, heat and stir for 2 hours, discharge the materia...

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Abstract

The invention discloses a color sorter sheath material. The color sorter sheath material comprises, by weight, 2-4 parts of polyvinylpyrrolidone, 0.1-0.3 part of zinc naphthenate, 5-8 parts of phthalate, 170-200 parts of polyvinyl chloride, 16-21 parts of graphene oxide, 3-5 parts of calcium stearate, 6-7 parts of palm wax, 5-9 parts of beta-hydroxyalkylamide, 7-10 parts of glycidol, 13-20 parts of methyl methacrylate and 0.1-0.2 part of sodium methylate. The sheath material of the invention has superior overall performances, and can well protect the matrix of a color sorter to improve the protection performance.

Description

technical field [0001] The invention belongs to the field of materials, and in particular relates to a color sorter sheath material and a preparation method thereof. Background technique [0002] HDPE is a highly crystalline, non-polar thermoplastic resin. High-density polyethylene is a white powder granular product, non-toxic and tasteless, with a density in the range of 0.940-0.976g / cm3; a crystallinity of 80%-90%, a softening point of 125-135°C, and a service temperature of up to 100 °C, the melting temperature is 120-160 °C, for materials with larger molecules, the recommended melting temperature range is between 200-250 °C. It has good heat resistance and cold resistance, good chemical stability, high rigidity and toughness, and good mechanical strength. Dielectric properties, environmental stress cracking resistance is also good. Hardness, tensile strength and creep are better than low-density polyethylene; wear resistance, electrical insulation, toughness and cold ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L39/06C08L91/06C08K13/02C08K3/04C08K5/1515C08K5/098C08K5/12
CPCC08K2201/014C08L27/06C08L2205/03C08L39/06C08L91/06C08K13/02C08K3/042C08K5/1515C08K5/098C08K5/12
Inventor 蔡丽贾星明桂岳关玉辉
Owner ANHUI ZHONGKE OPTIC ELECTRONICS COLOR SORTER MACHINERY
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