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A kind of pvc alloy plate and manufacturing method thereof

A technology of alloy plates and high-speed mixers, applied in the field of polymer alloys, can solve the problems of insufficient performance, poor vacuum forming performance, and less volatile substances, and achieve low cost, good mixing uniformity of raw materials, The effect of less volatile substances

Active Publication Date: 2020-09-29
浙江数合新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of poor heat resistance, low impact resistance, poor vacuum forming performance and other problems in the prior art of PVC boards, and the performance cannot meet certain specific use requirements, and provides a low-cost, both Excellent heat resistance, impact resistance, fracture resistance and vacuum forming performance, can form more uniformly and draw PVC alloy sheets with uniform wall thickness and less volatile substances

Method used

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  • A kind of pvc alloy plate and manufacturing method thereof
  • A kind of pvc alloy plate and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] (1) According to polyvinyl chloride resin 40kg, chlorinated polyvinyl chloride 40kg, chlorinated polyethylene 5kg, polyethylene 5kg, polypropylene 5kg, plasticizer (dioctyl phthalate) 5kg, stabilizer (dimethyl Base tin) 5kg, calcium stearate 1kg, the weight proportion of polyethylene wax 1kg, polyvinyl chloride resin, chlorinated polyvinyl chloride are put into high-speed mixer and stir 10min under the condition of 50 ℃, 500rpm;

[0037] (2) Add a plasticizer and a stabilizer to a high-speed mixer, and stir for 10 minutes at 90°C and 550rpm;

[0038] (3) Put chlorinated polyethylene, polyethylene, and polypropylene into a high-speed mixer, and stir for 15 minutes at 110°C and 600rpm;

[0039] (4) Put the remaining raw materials into a high-speed mixer, stir at 110° C. and 750 rpm for 5 minutes, and then control the temperature to 165° C. to extrude the plate.

[0040] The performance testing result of the PVC alloy sheet material that present embodiment obtains is as s...

Embodiment 2

[0047] (1) According to 50kg of polyvinyl chloride resin, 50kg of chlorinated polyvinyl chloride, 10kg of chlorinated polyethylene, 7kg of polyethylene, 8kg of polypropylene, 8kg of plasticizer (dioctyl phthalate), 8kg of stabilizer (dioctyl tin ) 7kg, calcium stearate 2kg, the weight proportion of polyethylene wax 3kg, polyvinyl chloride resin, chlorinated polyvinyl chloride are dropped into high-speed mixer and stirred 7min under the condition of 55 ℃, 800rpm;

[0048] (2) Add a plasticizer and a stabilizer to a high-speed mixer, and stir for 8 minutes at 95°C and 650rpm;

[0049] (3) Put chlorinated polyethylene, polyethylene, and polypropylene into a high-speed mixer, and stir for 10 to 15 minutes at 115°C and 700 rpm;

[0050] (4) Put the remaining raw materials into a high-speed mixer, stir at 115° C. and 800 rpm for 4 minutes, and then control the temperature to 175° C. to extrude the plate.

Embodiment 3

[0052] (1) According to polyvinyl chloride resin 60kg, chlorinated polyvinyl chloride 60kg, chlorinated polyethylene 15kg, polyethylene 10kg, polypropylene 10kg, plasticizer (dioctyl phthalate) 10kg, stabilizer (tetraphenyl Base tin) 10kg, calcium stearate 5kg, the weight ratio of polyethylene wax 5kg, polyvinyl chloride resin, chlorinated polyvinyl chloride are dropped into high-speed mixer and stirred 5min under the condition of 60 ℃, 1000rpm;

[0053] (2) Add a plasticizer and a stabilizer to a high-speed mixer, and stir for 5 minutes at 100°C and 750rpm;

[0054] (3) Put chlorinated polyethylene, polyethylene, and polypropylene into a high-speed mixer, and stir for 10 minutes at 120°C and 800rpm;

[0055] (4) Put the remaining raw materials into a high-speed mixer, stir at 120° C. and 1000 rpm for 3 minutes, and then control the temperature to 185° C. to extrude the plate.

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Abstract

The invention discloses a PVC alloy plate. The PVC alloy plate is prepared from 40 to 60 parts by weight of polyvinyl chloride resin, 40 to 60 parts by weight of chlorinated polyvinyl chloride, 5 to 15 parts by weight of chlorinated polyethylene, 5 to 10 parts by weight of polyethylene, 5 to 10 parts by weight of polypropylene, 5 to 10 parts by weight of a plasticizer, 5 to 10 parts by weight of a stabilizer, 1 to 5 parts by weight of calcium stearate and 1 to 5 parts by weight of polyethylene wax. The PVC alloy plate has the advantages of low cost, excellent heat resistance, excellent impact resistance, fracture resistance and vacuum forming performance, can be uniformly formed, has uniform drawing wall thickness, contains less volatile materials and expands a plate application field and a service life. The invention also discloses a preparation method of the PVC alloy plate. Through stepwise feeding, mechanical blending and extrusion, the PVC alloy plate is obtained. The preparation method has simple processes, strong operability and good raw material mixing uniformity and is suitable for industrial production.

Description

technical field [0001] The invention relates to the technical field of polymer alloys, in particular to a PVC alloy plate and a preparation method thereof. Background technique [0002] The natural color of polyvinyl chloride (PVC) is slightly yellow and translucent, shiny, and its transparency is better than that of polyethylene and polypropylene, and worse than that of polystyrene. According to the amount of additives, it can be divided into soft and hard PVC. Soft products are flexible. And tough, sticky to the touch, the hardness of hard products is higher than that of low-density polyethylene, but lower than that of polypropylene, and whitening will appear at the inflection point. Common products include: plates, pipes, shoe soles, toys, doors and windows, wire sheaths, stationery, etc. It is a polymer material that uses a chlorine atom to replace a hydrogen atom in polyethylene. [0003] PVC sheet (thickness 2mm-8mm) is vacuum-absorbed forming material, which has good...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/06C08L27/24C08L23/28C08L23/06C08L23/12C08K5/12C08K5/098C08K5/57
CPCC08L27/06C08L27/24C08L2201/08C08L2205/02C08L2205/025C08L2205/035C08L23/28C08L23/06C08L23/12C08K5/12C08K5/098C08K5/57
Inventor 吴中心
Owner 浙江数合新材料有限公司