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Filling master batch and preparation method and application thereof and polypropylene drawing material containing filling master batch

A technology of filling masterbatch and polypropylene, which is applied in the field of polypropylene wire drawing, can solve problems such as smoking, and achieve the effects of improving mechanical properties, good mechanical properties, and improving smoking problems

Active Publication Date: 2019-01-04
GUANGDONG SUNION CHEM & PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both use stearic acid to improve fluidity, and there is bound to be a problem of smoke during the drawing process

Method used

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  • Filling master batch and preparation method and application thereof and polypropylene drawing material containing filling master batch
  • Filling master batch and preparation method and application thereof and polypropylene drawing material containing filling master batch
  • Filling master batch and preparation method and application thereof and polypropylene drawing material containing filling master batch

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] This embodiment provides a kind of filler masterbatch, comprises the component of following percentage by weight:

[0051]

[0052] Wherein, the particle size of the filler is 2-10 μm, the melt index of low-melt polyethylene is 0.01 g / 10min, and the melt index of high-melt polyethylene is 40 g / 10min.

[0053] The preparation method of above-mentioned filling masterbatch is as follows:

[0054] (1) Put the filler into the high mixer, raise the temperature to 110°C, stir at a speed of 1480r / min for 5 minutes, then add a coupling agent, keep the speed, and mix for 4 minutes to obtain a modified filler;

[0055] (2) Add remaining components to the modified filler obtained in step (1), keep the rotating speed of 1480r / min, and continue mixing for 5min;

[0056] (3) Add the mixture obtained in step (2) into a twin-screw extruder, set the head temperature to 150°C, the temperature of the extrusion section to 150°C, and the screw speed to 190r / min, and extrude to obtain a f...

Embodiment 2

[0058] This embodiment provides a kind of filler masterbatch, comprises the component of following percentage by weight:

[0059]

[0060] Wherein, the particle size of the filler is 2-10 μm, the melt index of low-melt polyethylene is 2 g / 10 min, and the melt index of high-melt polyethylene is 30 g / 10 min.

[0061] The preparation method of above-mentioned filling masterbatch is as follows:

[0062] (1) Put the filler into the high mixer, heat up to 120°C, stir at a speed of 1200r / min for 10 minutes, then add a coupling agent, keep the speed, and mix for 6 minutes to obtain a modified filler;

[0063] (2) Add remaining components to the modified filler obtained in step (1), keep the rotating speed of 1200r / min, and continue mixing for 10min;

[0064] (3) Add the mixture obtained in step (2) into a twin-screw extruder, set the head temperature to 180°C, the temperature of the extrusion section to 180°C, and the screw speed to 800r / min, and extrude to obtain a filler materi...

Embodiment 3

[0066] This embodiment provides a kind of filler masterbatch, comprises the component of following percentage by weight:

[0067]

[0068] Wherein, the particle size of the filler is 2-10 μm, the melt index of low-melt polyethylene is 1.5 g / 10min, and the melt index of high-melt polyethylene is 20 g / 10min.

[0069] The preparation method of above-mentioned filling masterbatch is as follows:

[0070] (1) Put the filler into the high mixer, heat up to 115°C, stir at a speed of 1300r / min for 8 minutes, then add a coupling agent, keep the speed, and mix for 5 minutes to obtain a modified filler;

[0071] (2) Add remaining components to the modified filler obtained in step (1), keep the rotating speed of 1300r / min, and continue mixing for 8min;

[0072] (3) Add the mixture obtained in step (2) into a twin-screw extruder, set the head temperature to 170°C, the temperature of the extrusion section to 170°C, and the screw speed to 500r / min, and extrude to obtain a filler material...

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Abstract

The invention provides a filling master batch and a preparation method and application thereof and a polypropylene drawing material containing the filling master batch. The filling master batch is prepared from, by weight, 75%-88% of filler, 0.5%-2% of coupling agent, 5%-20% of low-melt-flow-index polyethylene, 3%-10% of high-melt-flow-index polyethylene and 2%-5% of polypropylene wax. The preparation method of the filling master batch comprises the steps that the filler and the coupling agent are mixed and react firstly, then the mixture is mixed with the other components, and then extrudingis carried out. The filling master batch has good high temperature resisting performance, can be used as the filling master batch of the polypropylene drawing material, the mechanical performance of the polypropylene drawing material is improved, and the fuming problem in the polypropylene drawing production process is relieved.

Description

technical field [0001] The invention belongs to the technical field of polypropylene wire drawing, and in particular relates to a filler masterbatch, its preparation method, application and a polypropylene wire drawing material containing the same. Background technique [0002] Polypropylene wire drawing material is a commonly used raw material for plastic woven products. It has excellent tensile properties, and the products have the characteristics of no water absorption, corrosion resistance, no mildew, abrasion resistance, and long service life. In addition, polypropylene wire drawing materials can also be used in the production of color strips, carpet backing (base fabric), container bags, tarpaulins and ropes. [0003] Polypropylene wire drawing material is mainly composed of polypropylene resin, filler masterbatch and additives. The commonly used filler masterbatch for polypropylene wire drawing material is calcium carbonate filler masterbatch. On the one hand, it is u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/12C08J3/22D01F6/46D01F1/10
CPCC08J3/226C08J2323/06C08J2423/06C08J2423/12D01F1/10D01F6/46
Inventor 陈英林李国政杨永玲
Owner GUANGDONG SUNION CHEM & PLASTIC
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