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Filling master batch capable of increasing strength and toughness of plastic product and preparation method of filling master batch

A technology for filling masterbatch and plastic products, which is applied in the field of plastic product preparation, and can solve the problems that plastic products cannot be used for food packaging, the gloss and mechanical properties decrease, and the transparency of film products is reduced, so as to achieve good tensile strength and light transmission Improvement of brightness and mechanical properties, reduction of viscosity of the system

Inactive Publication Date: 2013-10-02
河南惠强新能源材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there are some typical research results, such as: Chinese patent CN1181128C discloses a polyolefin filler masterbatch and its production method, which improves product performance by adding inorganic powder calcium carbonate, but the powder is not mentioned in this patent. Bulk particle size
Chinese patent CN100398586C discloses a filler masterbatch for plastic film and its preparation method. The performance of the film is improved by adding a compound of talcum powder and calcium carbonate with an average particle size of 5-8 microns, but the transparency of the film product is reduced. , gloss and mechanical properties decrease defects
Chinese patent CN101348586A discloses a transparent reinforcing filler masterbatch and its preparation method, which uses transparent glass powder of 1200-1500 mesh to improve product performance, but because the Mohs hardness of the inorganic powder used is about 6, the processing equipment is worn Large, so promotional significance is limited
Chinese patent CN100592979C discloses a polyolefin fully transparent masterbatch and its preparation method. The inorganic powder used is 1250 mesh sodium sulfate, i.e. anhydrous sodium sulfate, and this powder is a water-soluble inorganic salt, which can Severe corrosion of processing equipment, and the prepared plastic products cannot be used for food packaging, so its application range is relatively limited
In summary, although the performance of the existing plastic products prepared by adding inorganic powders has been improved in some aspects, there are generally problems of decreased mechanical properties and decreased transparency. The strength of the masterbatch formulation is of great significance

Method used

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  • Filling master batch capable of increasing strength and toughness of plastic product and preparation method of filling master batch

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Experimental program
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Effect test

Embodiment 1

[0032] Take the preparation of 100 kg of filler masterbatch that can enhance the strength and toughness of plastic products as an example. The formula of each raw material is as follows: talc powder 40 kg, mica powder 40 kg, polyethylene wax 2 kg, EBS 2 kg, aluminate 3.5 kg , 0.5 kg of calcium stearate, 12 kg of high-density polyethylene.

[0033] The preparation method of filling masterbatch comprises the following steps:

[0034] (1) First raise the temperature of the high-speed mixer to 110-120°C, and keep the temperature constant for 10-20 minutes;

[0035] (2) Put talcum powder, mica powder and aluminate into the mixer for activation treatment, that is, first start low-speed stirring for 1-2 minutes, then start high-speed stirring and mixing for 8-12 minutes until the material temperature reaches 100-105°C;

[0036] (3) Then put in polyethylene wax, EBS and calcium stearate, and continue stirring at high speed until the material temperature reaches 115-120°C;

[0037] (...

Embodiment 2

[0040]Taking the preparation of 100 kg of filler masterbatch that can enhance the strength and toughness of plastic products as an example, the formula of each raw material is as follows: 35 kg of talc powder, 35 kg of mica powder, 5 kg of polyethylene wax, 1 kg of EBS, and 3 kg of titanate , 1 kg of zinc stearate, 20 kg of high-density polyethylene.

[0041] The preparation method of filling masterbatch comprises the following steps:

[0042] (1) First raise the temperature of the high-speed mixer to 110-120°C, and keep the temperature constant for 10-20 minutes;

[0043] (2) Put talcum powder, mica powder and titanate into the mixer for activation treatment, that is, first start low-speed stirring for 1-2 minutes, then start high-speed stirring and mixing for 8-12 minutes until the material temperature reaches 100-105°C;

[0044] (3) Then put in polyethylene wax, EBS and calcium stearate, and continue stirring at high speed until the material temperature reaches 115-120°C; ...

Embodiment 3

[0048] Taking the preparation of 100 kg of filler masterbatch that can enhance the strength and toughness of plastic products as an example, the formula of each raw material is as follows: 32.5 kg of talc powder, 32.5 kg of mica powder, 2.5 kg of EVA wax, 1 kg of polypropylene wax, 3 kg of titanate kg, 1.5 kg of zinc stearate, and 27 kg of high-density polyethylene.

[0049] The preparation method of filling masterbatch comprises the following steps:

[0050] (1) First raise the temperature of the high-speed mixer to 110-120°C, and keep the temperature constant for 10-20 minutes;

[0051] (2) Put talcum powder, mica powder and titanate into the mixer for activation treatment, that is, first start low-speed stirring for 1-2 minutes, then start high-speed stirring and mixing for 8-12 minutes until the material temperature reaches 100-105°C;

[0052] (3) Then put in EVA wax, polypropylene wax, and zinc stearate, and continue stirring at high speed until the material temperature ...

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Abstract

The invention belongs to the technical field of preparing a plastic product, and particularly relates to filling master batch capable of increasing strength and toughness of the plastic product and a preparation method of the filling master batch. The filling master batch is prepared by inorganic powder, a dispersing agent, a lubricating agent, a coupling agent, a heat stabilizer and carrier resin, and the inorganic powder is a mixture which is compounded by talcum powder and mica powder, of which the average grain diameters are 6-8 mum, in 1 : 1 mass ratio by passing through a 1800-2000 mesh screen. The filling master batch provided by the invention is mainly used for replacing part of synthetic resin in raw materials of an existing plastic product. Compared with the prior art, according to the filling master batch provided by the invention, the cost is low, and the production cost can be reduced to a large extent after part of the synthetic resin is replaced; and meanwhile, the filling master batch provided by the invention has the advantages of increasing the production efficiency, improving the product mechanical performance, increasing the heat-resisting temperature of the plastic product and the like, the plastic product, particularly a thin film product, which is prepared by adding the filling master batch is suitable for printing and is suitable for food and medical packaging industry.

Description

technical field [0001] The invention belongs to the technical field of plastic product preparation, and in particular relates to a filler masterbatch capable of increasing the strength and toughness of plastic products and a preparation method thereof. Background technique [0002] Plastic products have penetrated into every corner of industrial production and people's daily life because of their excellent performance and wide range of uses. With the enhancement of people's awareness of environmental protection and the continuous improvement of the performance requirements of plastic products, the masterbatch formula used to directly prepare plastic products is also in the process of continuous improvement. Among them, since the modified masterbatch filled with inorganic powder entered the market in the early 1980s, due to its low price and excellent performance, it can improve some physical properties of plastic products and replace part of synthetic resins, and its product...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/08C08K9/04C08K9/06C08K3/34C08K3/36C08J3/22
Inventor 陈沙王红兵马兴玉王增礼
Owner 河南惠强新能源材料科技股份有限公司
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