PVC extrusion grade particulate material and preparation method thereof, and preparation method of extrusion product

A technology of extrusion grade and granular material, applied in the field of preparation, extrusion product preparation, PVC extrusion grade granular material, can solve the problems of poor product toughness, unstable surface resistance, poor dispersion, etc., to achieve comprehensive performance Good and stable, the effect of reducing body injury and reducing dust pollution

Inactive Publication Date: 2014-01-22
郭静利
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] And because the extrusion-grade powder is obtained by simply mixing the raw materials, the simple mixing makes the dispersion of the raw materials poor, especially the dispersion of the conductive agent, resulting in poor toughness and unstable surface resistance of the product. Low strength and poor appearance; in addition, due to the small particle size of the powder, especially the light conductive agent (carbon black or graphite), it is easy to disperse in the air, and the extrusion-grade powder is used to produce PVC pipes, PVC sheets, PVC In the process of products such as profiles, it is easy to cause production accidents and waste raw materials.

Method used

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  • PVC extrusion grade particulate material and preparation method thereof, and preparation method of extrusion product
  • PVC extrusion grade particulate material and preparation method thereof, and preparation method of extrusion product
  • PVC extrusion grade particulate material and preparation method thereof, and preparation method of extrusion product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] 1. Accurately weigh the raw materials according to the formula.

[0061] The formula is as follows: PVC SG-5 type resin: 66%, lead salt composite stabilizer: 4%, impact modifier MBS resin: 10%, EBS: 1%, lead stearate: 1%, ethylene oxide wax: 1%, PE wax 2%, conductive carbon black: 10%, ACR processing modifier: 2%, calcium carbonate: 3%; prepare 100kg of PVC extrusion grade pellets from the raw materials of the above formula.

[0062] 2. Pre-mix the weighed raw materials through a mixer to make powder.

[0063] Set the hot mixing temperature to 115°C. After the materials are stirred and rubbed at high speed, most of the volatiles are discharged, and the dispersion of various raw materials is good. When the temperature of the materials rises to 115°C, the materials are automatically discharged to the cold mixer; The temperature of the machine is set to 40°C, and the material is cooled by the low speed of the cold mixer and the circulating water in the jacket. When the te...

Embodiment 2

[0069]The formula is as follows: PVC SG-5 type resin: 60%, calcium zinc composite stabilizer: 4%, impact modifier CPE resin: 15%, lubricant (EBS: 1%, ethylene oxide wax: 2%, PE wax 1%), conductive carbon black: 11%, ACR processing modifier: 1%, talcum powder: 5%; 100kg of PVC extrusion-grade pellets were prepared from the raw materials of the above formula.

[0070] The preparation method of PVC extrusion-grade pellets and pipes is the same as in Example 1.

Embodiment 3

[0072] The formula is as follows: PVC SG-5 type resin: 66%, organotin stabilizer: 2%, impact modifier (CPE: 8%, ACR: 2%), lubricant (calcium stearate: 0.5%, oxidation Ethylene wax: 0.5%, PE wax 1%), conductive graphite: 13%, ACR processing modifier: 3%, mica powder: 3%, halogen flame retardant: 1%; 100kg of PVC extrusion grade pellets.

[0073] The preparation method of PVC extrusion-grade pellets and profiles is the same as in Example 1 to obtain PVC profiles.

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Abstract

The invention provides a PVC extrusion particulate material and a preparation method thereof, and preparation method of an extrusion product. The invention relates to the field of PVC extrusion materials. The PVC extrusion particulate material is prepared from the raw materials of: PVC resin, a stabilizer, an impact-resistant modifier, a lubricant, a conducting agent, and a filler. The polymerization degree of the PVC resin is 1000-1100. According to the invention, with the method, the obtained PVC extrusion grade particulate material has the advantage of well dispersed raw materials. The extrusion product produced with the extrusion particulate material has good and stable comprehensive performances such as smooth and flat appearance, static resistance, good flame retardant property, good toughness, good strength, and the like. The material can satisfy higher and higher requirements of mining and other industries. Also, during the preparation process of the extrusion product, dust pollution can be greatly reduced, and damage to the bodies of workers can be reduced.

Description

technical field [0001] The present invention relates to the field of PVC extruded materials, in particular to PVC extrusion grade granules, a preparation method and a preparation method of extruded products, wherein the PVC extrusion grade granules have good antistatic properties, flame retardancy and excellent toughness and strength. Background technique [0002] Products such as PVC pipes, PVC sheets, and PVC profiles used in coal mines and other industries need to have the characteristics of antistatic, flame retardant, good toughness and strength. [0003] In related technologies, products such as PVC pipes, PVC sheets, and PVC profiles are generally produced by single extrusion or co-extrusion using extrusion-grade powder. [0004] And because the extrusion-grade powder is obtained by simply mixing the raw materials, the simple mixing makes the dispersion of the raw materials poor, especially the dispersion of the conductive agent, resulting in poor toughness and unsta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L23/28C08L33/12C08L33/08C08L55/02C08K13/02C08K3/04C08K3/26C08K3/34C08K3/30B29B9/06
Inventor 郭静利
Owner 郭静利
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