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Polyvinyl chloride-filled master batch and preparation method thereof

A polyvinyl chloride and filling masterbatch technology, applied in the field of composite materials, can solve the problems of high cost of raw materials, and achieve the effects of improving compatibility, reducing dosage, high polarity and reactivity

Inactive Publication Date: 2018-05-01
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, a large number of filler masterbatches on the market mainly use new materials such as polyvinyl chloride, low-density polyethylene, polyolefin elastomer (POE), etc., and the cost of raw materials for production is relatively high.

Method used

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  • Polyvinyl chloride-filled master batch and preparation method thereof
  • Polyvinyl chloride-filled master batch and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Put 10 parts of polyvinyl chloride recycled material, 10 parts of low-density polyethylene, 5 parts of polyvinyl chloride grafted maleic anhydride, 0.01 part of antioxidant, and 1.6 parts of lubricant into a temperature-controlled high-speed mixer and mix for 2 minutes. At 80°C, the speed is 700r / min; then add 85 parts of calcium carbonate, an inorganic mineral filler, into the high-speed mixer, and add 1.7 parts of bis-tert-butylperoxydicumene evenly while stirring, and the speed of the high-speed mixer is controlled at 750r / min. min, and continue to stir for 12 minutes after the addition to obtain the premix; finally feed the premix into the twin-screw extruder with L / D=44:1, preheat for 3 minutes, and then melt, extrude, pump Vacuum, air-cooled, pelletized and dried to produce filled masterbatches. The temperature of each zone of the twin-screw extruder is: pre-melting zone 140°C, first melting zone 195°C, first high-temperature shear zone 205°C, The second high temp...

Embodiment 2

[0031] Put 13 parts of recycled polyvinyl chloride, 30 parts of low-density polyethylene, 2 parts of polyvinyl chloride grafted maleic anhydride, 0.02 parts of antioxidant, and 3 parts of lubricant into a temperature-controlled high-speed mixer and mix for 3 minutes. At 75°C, the rotation speed is 600r / min; then add 55 parts of inorganic mineral filler calcium carbonate, 30 parts of talc powder into the high-speed mixer, 1.5 parts of dicumyl peroxy dicumene, and control the speed of the high-speed mixer at 650r / min. min, and continue to stir for 15 minutes after adding to obtain the premix; finally feed the premix into the twin-screw extruder, preheat for 2 minutes, and then melt, extrude, vacuumize, air-cool, pelletize and Drying, that is, the filling masterbatch is obtained, and the temperature of each zone of the twin-screw extruder is: 155°C in the pre-melting zone, 200°C in the first melting zone, 210°C in the first high-temperature shear zone, and 220°C in the second high...

Embodiment 3

[0034] Put 15 parts of polyvinyl chloride recycled material, 20 parts of low-density polyethylene, 5 parts of polyvinyl chloride grafted maleic anhydride, 0.02 parts of antioxidant, and 2.5 parts of lubricant into a temperature-controlled high-speed mixer and mix for 3 minutes. At 90°C, the speed is 800r / min; then add 35 parts of mica powder and 45 parts of talc powder into the high-speed mixer, and add 1.7 parts of bis-tert-butylperoxydicumene evenly while stirring, and the high-speed mixer The rotation speed is controlled at 800r / min, and the stirring is continued for 12 minutes after the addition is completed to obtain the premix; finally, the premix is ​​fed into the twin-screw extruder, preheated for 3 minutes, and then melted, extruded, vacuumed, and ventilated. Cooling, pelletizing and drying to obtain filled masterbatches. The temperature of each zone of the twin-screw extruder is: pre-melting zone 140°C, first melting zone 190°C, first high-temperature shear zone 200°C...

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Abstract

The invention discloses a polyvinyl chloride-filled master batch and a preparation method thereof. The polyvinyl chloride-filled master batch is prepared from a recycled polyvinyl chloride material, low-density polyethylene, polyvinyl chloride-grafted maleic anhydride, an inorganic mineral filler, bis(tert-butylperoxy)diisopropylbenzene, an antioxidant and a lubricant. The polyvinyl chloride-filled master batch provided by the invention solves the problems of high cost, poor dispersibility, poor compatibility and the like of conventional filled master batch in the current market, and expands the application range of recycled plastic. The filled master batch processed in the invention can be extensively used for filling modification of materials applied to automobiles, pipelines, cables, etc.; and on the premise that requirements for product performance are met, cost for raw modification materials can be greatly reduced, and the use value of recycled plastic can be increased.

Description

technical field [0001] The invention belongs to the field of composite materials, and in particular relates to a polyvinyl chloride filled masterbatch and a preparation method thereof. Background technique [0002] In order to enhance the mechanical properties, density and other related properties of plastic materials, it is generally modified by adding some modifiers. At first, the plastic modification directly uses powder in filling modification. On the one hand, this modification method will The production environment is highly polluted. On the other hand, the dispersion of powder addition is poor, which affects the performance of the final product. In recent years, with the continuous update and development of plastic modification technology, the use of filler masterbatch as filler modification has become the production form of many enterprises, and has been effectively improved in terms of pollution and processing technology. [0003] At present, a large number of fill...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L23/06C08L51/00C08K13/02C08K3/26C08K5/14C08K3/34B29C47/92B29C48/92
CPCB29C48/92B29C2948/9258B29C2948/92704C08K2201/003C08K2201/014C08L23/06C08L27/06C08L2205/025C08L2205/03C08L2205/035C08L2207/066C08L2207/20C08L51/003C08K13/02C08K2003/265C08K5/14C08K3/34
Inventor 杨桂生方永炜朱敏姚晨光
Owner HEFEI GENIUS NEW MATERIALS