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A kind of composite barium sulfate filler master batch for transparent plastic filling and preparation method

A technology for filling master batch and transparent plastic, which is applied in the field of compound barium sulfate filling master batch and preparation, can solve the problems of reducing use and processing costs, reducing the amount of plastic used, and needs to be improved, and achieves improved strength, good transparency, and improved alignment. sequential effect

Active Publication Date: 2021-12-17
ZHEJIANG ZHONGBANG PLASTIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Functional filler masterbatch is a new product in recent years. Barium sulfate is added to plastic film products because of its small powder particle size, high transparency, good gloss, good appearance and hue, and can improve plastic tensile force. It can replace most petrochemical products, reduce the amount of plastic used, maintain the transparency of the film, and at the same time reduce the cost of use and processing. However, the strength and transparency of the barium sulfate masterbatch currently on the market are used in plastic films. The present invention proposes a composite barium sulfate filler masterbatch for transparent plastic filling

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  • A kind of composite barium sulfate filler master batch for transparent plastic filling and preparation method

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Effect test

Embodiment 1

[0019] A composite barium sulfate filler masterbatch for transparent plastic filling, which is composed of the following ingredients in weight percent: 1.7% stearic acid, 1.5% coupling agent, 12% low-density polyethylene, 2.4% polyethylene wax, template modification Active agent 0.25% and the balance of barium sulfate.

[0020] The barium sulfate is a barium sulfate powder produced by a precipitation method with an average particle diameter of ≤0.2 μm and a powder whiteness of ≥98%. The coupling agent is a silane coupling agent. The template modifier is a composite material of glass fiber cotton and graphene film. The preparation method of described template modifier comprises the following steps:

[0021] A. Make superfine glass fiber cotton from ultrafine glass fibers with a diameter of 0.1-1 μm on the forming net;

[0022] B. Lay the pretreated graphene film on the ultrafine glass fiber cotton by electrostatic adsorption to form a composite film;

[0023] C. Cut the com...

Embodiment 2

[0028] A composite barium sulfate filler masterbatch for transparent plastic filling, which is composed of the following ingredients in weight percent: 2.0% stearic acid, 1.2% coupling agent, 20% low-density polyethylene, 1.8% polyethylene wax, template modification Active agent 0.3% and the balance of barium sulfate.

[0029] The barium sulfate is a barium sulfate powder produced by a precipitation method with an average particle diameter of ≤0.2 μm and a powder whiteness of ≥98%. The coupling agent is an aluminate coupling agent. The template modifier is a composite material of glass fiber cotton and graphene film. The preparation method of described template modifier comprises the following steps:

[0030] A. Make superfine glass fiber cotton from ultrafine glass fibers with a diameter of 0.1-1 μm on the forming net;

[0031] B. Lay the pretreated graphene film on the ultrafine glass fiber cotton by electrostatic adsorption to form a composite film;

[0032] C. Cut the ...

Embodiment 3

[0037] A composite barium sulfate filler masterbatch for transparent plastic filling, which is composed of the following components by weight percentage: 1.4% stearic acid, 1.8% coupling agent, 8% low-density polyethylene, 2.8% polyethylene wax, template modification Active agent 0.1% and the balance of barium sulfate.

[0038] The barium sulfate is a barium sulfate powder produced by a precipitation method with an average particle diameter of ≤0.2 μm and a powder whiteness of ≥98%. The coupling agent is a silane coupling agent or an aluminate coupling agent. The template modifier is a composite material of glass fiber cotton and graphene film. The preparation method of described template modifier comprises the following steps:

[0039] A. Make superfine glass fiber cotton from ultrafine glass fibers with a diameter of 0.1-1 μm on the forming net;

[0040] B. Lay the pretreated graphene film on the ultrafine glass fiber cotton by electrostatic adsorption to form a composite...

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Abstract

The invention discloses a composite barium sulfate filling masterbatch used for filling transparent plastics, which consists of the following components in weight percent: 1.4-2.0% stearic acid, 1.2-1.8% coupling agent, and 8-20 low-density polyethylene %, polyethylene wax 1.8‑2.8%, template modifier 0.1‑0.3% and the balance of barium sulfate. Due to the addition of a template modifier composed of glass fiber cotton and graphene film, it can not only significantly improve the strength of the material, but also effectively improve the order of the raw materials in the masterbatch, thereby improving its application in transparent plastic filling. The final transparency, the specific principle is speculated as follows: the template modifier is a double-layer structure composed of glass fiber cotton and graphene film, and there are a large number of uniformly arranged micropores on the surface of the graphene film. These micropores are conducive to the uniformity of barium sulfate powder. Meticulous arrangement, so that it can be applied to transparent plastics to achieve better transparency.

Description

technical field [0001] The invention relates to the technical field of barium sulfate, in particular to a composite barium sulfate filler masterbatch used for filling transparent plastics and a preparation method thereof. Background technique [0002] The mineral of barium sulfate is called barite. It is white amorphous powder. Stable in nature, hardly soluble in water, acid, alkali or organic solvents. 1. Barium sulfate is insoluble in water and acid, has stable chemical properties, has no magnetic toxicity, and has the ability to absorb X-rays and gamma rays. Barite is mainly produced in sedimentary layered deposits and low-temperature hydrothermal veins, and often coexists with quartz, dolomite, calcite, fluorite, galena, sphalerite, and chalcopyrite. 2. It is mainly used as a weighting agent for oil and natural gas drilling mud, and is also an important mineral raw material for extracting metal barium and preparing various barium compounds. The most important barium ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K3/30C08K5/09C08K7/14C08K3/04C08L23/06C08J3/22
CPCC08J3/226C08K2003/3045C08K5/09C08J2423/06C08K7/14C08K3/042C08J2323/06
Inventor 罗洋德潘小阳
Owner ZHEJIANG ZHONGBANG PLASTIC CO LTD
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