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Alloy type coating material and preparation method thereof

A technology of coating material and alloy type, applied in the direction of coating, etc., can solve the problems of poor stability of coating material, performance impact, low shear force of single-screw extruder, melt mixing, etc., to meet the requirements of differentiation , high performance, improved transparency and stability

Active Publication Date: 2018-02-06
湖南省达琪新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the existing coating production fields use single-screw extruders. The shear force of single-screw extruders is low and cannot perform melt mixing well. Therefore, the polypropylene resin coating material can only be used before use. Simple mixing with polyethylene resin coating material, but the simple mixing uniformity of the two is poor, the coating material formed after mixing has poor stability, and other properties are also greatly affected

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0057] The preparation method of above-mentioned alloy type coating material, comprises the following steps:

[0058] S110, 10-95 parts by mass of polypropylene resin, 5-90 parts by mass of polyethylene resin, 0-10 parts by mass of propylene-ethylene copolymer, 0-5 parts by mass of acrylate graft polymer Propylene, 0-5 parts by mass of acrylate grafted polyethylene, 0-1 part by mass of antioxidant, 0-0.7 parts by mass of polypropylene nucleating agent and 0-0.4 parts by mass of peroxide Mix well to form a mix.

[0059]Preferably, 30-80 parts by mass of polypropylene resin, 30-80 parts by mass of polyethylene resin, 3-6 parts by mass of propylene-ethylene copolymer, 0.5-3 parts by mass of acrylate Polypropylene, 0.5-3 mass parts of acrylate grafted polyethylene, 0.1-0.4 mass parts of antioxidant, 0.1-0.3 mass parts of polypropylene nucleating agent and 0.05-0.1 parts of peroxide are mixed Evenly, form a mixture.

[0060] Specifically, the above-mentioned polypropylene resin,...

Embodiment 1

[0079] Mix 10kg of polypropylene resin and 90kg of polyethylene resin evenly, melt, extrude and granulate, control the melt index to 10g / 10min, and obtain an alloy-type coating material, which is used for coating paper for water cups.

Embodiment 2

[0084] 70kg polypropylene resin, 22kg polyethylene resin, 4.5kg propylene-ethylene copolymer, 1.5kg acrylate grafted polypropylene, 1.5kg acrylate grafted polyethylene, 0.3kg tetrakis[β-(3,5-ditertiary Butyl-4-hydroxyphenyl) propionate] pentaerythritol ester, 0.2kg dibenzylidene sorbitol nucleating agent and 0.05kg di-tert-butyl peroxide are mixed evenly and then melt-extruded to granulate, and the melt index is controlled to be 35g / 10min to obtain an alloy-type coating material, which is used for the coating and compounding of polypropylene woven cloth and kraft paper.

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PUM

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Abstract

The invention provides an alloy type coating material and a preparation method thereof. The alloy type coating material is prepared from the following components in parts by mass: 10 to 95 parts of polypropylene resin, 5 to 90 parts of polyethylene resin, 0 to 10 parts of propylene-ethylene copolymer, 0 to 5 parts of acrylate grafted polypropylene, 0 to 5 parts of acrylate grafted polyethylene, 0 to 1 part of antioxidant, 0 to 0.7 part of polypropylene nucleating agent and 0 to 0.4 part of peroxide. In the alloy type coating material disclosed by the invention, the polypropylene resin and the polyethylene resin are used as basic resin, the propylene-ethylene copolymer, the acrylate grafted polypropylene and the acrylate grafted polyethylene are used as a compatilizer and adhesion degree improving agents, the antioxidant is used for improving the thermostability of the alloy type coating material, the polypropylene nucleating agent is used for improving the transparency and the stability of the alloy type coating material, and the peroxide is used for regulating the melt index of the alloy type coating material, so that the problem existing in a single-component coating material is thoroughly solved, and various differential requirements and high performance can be met.

Description

technical field [0001] The invention relates to an alloy type coating material and a preparation method thereof. Background technique [0002] Traditional coating materials are basically one-component polypropylene resin coating materials or one-component polyethylene resin coating materials, which are difficult to meet various differentiated and high-performance requirements in practical applications, such as Heat resistance, transparency, gloss, adhesion, stability and process applicability, etc. For example, a single-component polypropylene resin coating material cannot meet the requirements due to flexibility and process applicability, and a certain proportion of polyethylene resin coating material needs to be mixed to meet the basic requirements. The one-component polyethylene resin coating material cannot meet the requirements due to heat resistance and hardness in some applications, and it needs to be mixed with a certain proportion of polypropylene resin coating mat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D123/12C09D123/06C09D7/61C09D7/63C09D7/65
CPCC08L2201/08C08L2205/025C08L2205/035C08L2205/08C09D7/63C09D7/65C09D123/12C08L23/06C08L23/14C08L51/06C08K5/1345C08K5/053C08K5/14C08K5/13C08K5/098
Inventor 谭国权谭喆元
Owner 湖南省达琪新材料有限公司
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