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High-impact-resistance PVC profile meeting high-speed extrusion requirement and preparing method thereof

A high-speed extrusion, high-impact technology, applied in the field of high-impact PVC profiles and its preparation, can solve the problems that cannot meet the requirements of high-speed extrusion, etc., to achieve not easy to vulcanize pollution, excellent low-temperature impact resistance, smooth and delicate surface Effect

Inactive Publication Date: 2015-04-01
海螺(安徽)节能环保新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, existing systems using impact-resistant ACR modifiers cannot meet the requirements of high-speed extrusion

Method used

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  • High-impact-resistance PVC profile meeting high-speed extrusion requirement and preparing method thereof
  • High-impact-resistance PVC profile meeting high-speed extrusion requirement and preparing method thereof
  • High-impact-resistance PVC profile meeting high-speed extrusion requirement and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A high-impact PVC profile satisfying high-speed extrusion, comprising the following substances in parts by weight:

[0042] 100 parts of PVC, 8 parts of titanium dioxide, 10 parts of light calcium carbonate, 7 parts of impact-resistant ACR modifier, 1 part of ACR processing aid acrylate polymer, 3.7 parts of environmentally friendly calcium zinc stabilizer, high-density oxidized polyethylene 0.05 parts of wax, 0.03 parts of ultramarine.

[0043] A preparation method for a high-impact PVC profile meeting high-speed extrusion, comprising the following steps:

[0044] (1) Through the automatic batching system, the required materials are automatically measured according to the above weight parts, and then put into the thermal mixer for mixing. During the thermal mixing process, the moisture in the mixture is fully removed by thermal mixing, and the materials are hot mixed. After mixing in the machine to 120°C, discharge it into the cold mixer, and cold mix to 40°C, remove ...

Embodiment 2

[0047] A high-impact PVC profile satisfying high-speed extrusion, comprising the following substances in parts by weight:

[0048] 100 parts of PVC, 8 parts of titanium dioxide, 10 parts of light calcium carbonate, 6 parts of impact-resistant ACR modifier, 1 part of ACR processing aid acrylate polymer, 3.7 parts of environmentally friendly calcium zinc stabilizer, high-density oxidized polyethylene 0.1 part of wax, 0.03 part of ultramarine blue.

[0049] A preparation method for a high-impact PVC profile meeting high-speed extrusion, comprising the following steps:

[0050] (1) Through the automatic batching system, the required materials are automatically measured according to the above formula ratio, and then put into the thermal mixer for mixing. During the thermal mixing process, the moisture in the mixture is fully removed by thermal mixing, and the materials are thermally mixed. After mixing in the machine to 120°C, it is discharged into a cold mixer, and cold mixed to 45...

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Abstract

The invention discloses a high-impact-resistance PVC profile meeting the high-speed extrusion requirement and a preparing method of the PVC profile. The PVC profile comprises 100 parts of PVC, 3.5 parts to 6 parts of heat stabilizers, 5 parts to 12 parts of titanium dioxide, 5 parts to 10 parts of impact-resistant modifiers, 0.5 part to 2 parts of processing auxiliaries, 5 parts to 12 parts of filling agents, 0.02 part to 2.0 parts of lubricating regulators and 0 part to 0.1 part of color matching agents. Compared with the prior art, the PVC profile prepared with the method is suitable for high-speed extrusion of a parallel double-screw extruder, low temperature impact resistance is excellent, the appearance quality of the profile is remarkably improved, and the surface is smooth and fine, composition does not include the heavy metal such as Ba, Cd and Pb, the PVC profile is free of poison and environmentally friendly and sulfide pollution cannot happen to the PVC profile easily; a processing range is wide and an existing CPE formula system does not need to be adjusted substantially.

Description

technical field [0001] The invention belongs to environment-friendly, high-weather-resistance and high-impact PVC profiles, in particular to a high-impact PVC profile that satisfies high-speed extrusion and a preparation method thereof. Background technique [0002] Rigid PVC resin refers to unplasticized PVC, which is a hard and brittle material. Its main disadvantages are poor impact resistance and high low temperature brittleness. The impact strength of rigid PVC is very low, generally only 3-5KJ / m at room temperature 2 , the low temperature impact resistance is even worse, the main reason is that it is highly sensitive to the gap, which is related to its molecular structure. Therefore, hard PVC resin needs to be toughened and modified before it can be used, so as to greatly improve the impact performance of the material and meet the use requirements. [0003] At present, the domestic PVC profile formula mainly uses CPE as the impact modifier, which has the characterist...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L33/04C08L23/30C08K3/22C08K3/26C08K3/34B29C47/92B29C48/92
CPCC08K2003/2241C08L27/06C08L2201/08C08L2205/025C08L2205/035C08L23/30C08L33/04C08K13/02C08K2003/265C08K3/34
Inventor 齐生立王杨林朱守益程建军唐圣奎张鹏刘威
Owner 海螺(安徽)节能环保新材料股份有限公司
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