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Blending sectional material of modified recovery polyethylene and polrvinyl chloride and preparation method of blending sectional material

A polyvinyl chloride and polyethylene technology, which is applied in the field of polyvinyl chloride profiles and their preparation, can solve the problems of poor comprehensive performance, complex process, and can not achieve industrialized production of profiles, and achieves improved performance, simplified preparation method, and improved recovery. The effect of utilization

Inactive Publication Date: 2011-06-01
湖南五强产业集团股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The research results show that the compatibility of the blended material obtained in this way has been improved to a certain extent, but the process is complicated and the comprehensive performance is poor, which cannot meet the requirements of industrial production of profiles

Method used

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  • Blending sectional material of modified recovery polyethylene and polrvinyl chloride and preparation method of blending sectional material
  • Blending sectional material of modified recovery polyethylene and polrvinyl chloride and preparation method of blending sectional material
  • Blending sectional material of modified recovery polyethylene and polrvinyl chloride and preparation method of blending sectional material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A modified recycled PE and PVC blended profile of the present invention, the blended profile is prepared by blending the following raw materials in parts by mass:

[0024]

[0025] The preparation method of the above-mentioned modified reclaimed PE and PVC blend profile of the present invention specifically comprises the following steps:

[0026] (1) Mixing: Mix the raw materials PVC, stabilizer, titanium dioxide, CPE, ACR and lubricant at high speed according to the above mass ratio. The mixed raw materials will generate heat due to friction. When the temperature rises to 80℃~95℃, add silicone oil to modify Recycled PE or add silicone oil modified recycled PE and activated calcium carbonate, hot mix until the temperature reaches 115 ℃ ~ 125 ℃, discharge, and then start cold mixing to room temperature to obtain a dry blend;

[0027] (2) Forming: Extrude the dry blend at a temperature of 140° C. to 205° C. to prepare a blended profile of modified recycled PE and PVC. ...

Embodiment 2

[0031] A modified recycled PE and PVC blended profile of the present invention, the blended profile is prepared by blending the following raw materials in parts by mass:

[0032]

[0033] The blend profile of the modified recycled PE and PVC in this embodiment is specifically prepared by the following method steps:

[0034] 1. Preparation of simethicone modified recycled PE: Add 8 parts of simethicone (viscosity 5000cS) to 100 parts of recycled PE, then stir at high speed for 5 minutes, and extrude the evenly stirred material on twin-screw Extrusion granulation is carried out in the machine, and the working parameters of the twin-screw extruder are:

[0035] Zone 1 (150±3℃)

[0036] Zone 2 (190±3℃)

[0037] Three zones (195±3℃)

[0038] Zone 4 (195±3℃)

[0039] Zone 5 (195±3℃)

[0040] Machine head (190±3℃)

[0041] The speed of the main machine is 84r / min, and the speed of the pelletizer is matched;

[0042] After the extrusion granulation is completed, dimethyl sil...

Embodiment 3

[0050] This example focuses on the influence of the content of simethicone oil on the properties of the blended profile. The viscosity of simethicone oil is 5000cS.

[0051] The preparation steps of the blended profile of the modified recycled PE and PVC of the present embodiment are as follows:

[0052] 1. Preparation of simethicone modified recycled PE: the operation process and process parameters of this step are the same as step 1 in Example 2, but the mass ratio of simethicone used as raw material and recycled PE changes according to certain rules (See Table 2 below), so five different simethicone modified recycled PEs (numbered respectively with B, C, D, E, and F) were finally prepared;

[0053] Table 2: Formulation table of simethicone modified recycled PE in Example 3

[0054]

[0055] 2, mixing materials: the operation process of this step and process parameter are identical with the step 2 in embodiment 2, but the mass proportioning of each raw material changes t...

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Abstract

The invention discloses a blending sectional material of modified recovery polyethylene and polrvinyl chloride and a preparation method of the blending sectional material. The sectional material is mainly prepared by blending the following components in parts by weight: 100 parts of polrvinyl chloride, 5-10 parts of silicon oil modified recovery polyethylene, 3-6 parts of stabilizing agent, 3-6 parts of titanium white, 6-10 parts of chlorinated polyethylene, 1-4 parts of acrylate impact resistance modifier, 0.2-1.0 part of lubricant and 0-30 parts of active calcium carbonate. The blending sectional material disclosed by the invention has a good property; and by using the blending sectional material, recovery utilization of waste plastic can be effectively improved, thus resources and cost are saved, and blending sectional material is safe and environment-friendly.

Description

technical field [0001] The invention relates to a polyvinyl chloride profile and a preparation method thereof, in particular to a polyvinyl chloride profile modified with recycled waste materials and a preparation method thereof. Background technique [0002] With the rapid development of the plastics industry, waste plastics are also increasing year by year. Among them, polyethylene (referred to as PE) is widely used in various fields due to its advantages of low temperature resistance, good impact resistance, good processing fluidity and good thermal stability. However, the waste PE after use is not easy to degrade under natural conditions, and it is easy to cause environmental pollution. People are paying more and more attention to the pollution caused by waste plastics to the environment, which makes the recycling technology of waste plastics a hot research topic at home and abroad. [0003] Polyvinyl chloride (PVC for short) is a general-purpose plastic with high stren...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L23/06C08L83/04
Inventor 欧阳相会苏胜培李志军周乃安张芳杨波杨治莫笑君
Owner 湖南五强产业集团股份有限公司
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