Polyolefin composition as well as preparation method and application thereof

A technology of polyolefin and composition, which is applied in the field of polyolefin composition and its preparation, can solve the problems such as the decline of mechanical properties of materials, and achieve the effect of good spraying performance and improved spraying performance

Pending Publication Date: 2022-04-26
KINGFA SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention provides a polyolefin composition with good spraying performance in order to overcome the above-mentioned defects that the mechanica

Method used

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  • Polyolefin composition as well as preparation method and application thereof
  • Polyolefin composition as well as preparation method and application thereof
  • Polyolefin composition as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0053] The preparation method of the polyolefin composition in described embodiment and comparative example, comprises the steps:

[0054] S1. Mix the polyolefin resin, toughening agent, mineral filler, lubricant and antioxidant evenly, and add the expanded perlite powder to the side feeding port of the extruder through an independent metering feeding scale to obtain a premix;

[0055]S2. Extruding and granulating the premix in step S1 to obtain a polyolefin composition. The extrusion processing temperature is 190°C to 230°C.

Embodiment 1～5

[0057] Examples 1-5 provide a series of polyolefin compositions, and the contents of specific components are shown in Table 1.

[0058] The component content (part) of table 1 embodiment 1~5

[0059]

[0060]

Embodiment 6～10

[0062] Examples 6-10 provide a series of polyolefin compositions, and the contents of specific components are shown in Table 2.

[0063] The component content (part) of table 2 embodiment 6~10

[0064]

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Abstract

The invention discloses a polyolefin composition as well as a preparation method and application thereof. The polyolefin composition comprises the following components in parts by weight: 50-80 parts of polyolefin resin; 3 to 50 parts of a toughening agent; 5-15 parts of expanded perlite powder; 0-20 parts of a mineral filler; 0-2 parts of other auxiliary agents; the average particle size of the expanded perlite powder is 15-60 microns. The expanded perlite powder is added into a polyolefin resin system to improve the spraying performance of the polyolefin resin, and the added expanded perlite powder does not influence the mechanical property of the polyolefin resin, so that the polyolefin composition has good spraying performance and good mechanical property at the same time. The polyolefin resin composition disclosed by the invention can be used for preparing indoor building decorative plates, automobile interior and exterior decoration products or various products in the thermal insulation field.

Description

technical field [0001] The invention relates to the technical field of polymer materials, more specifically, to a polyolefin composition and its preparation method and application. Background technique [0002] Polyolefin plastics are very difficult to apply to spraying and generally require pretreatment. This is because polyolefin materials are non-polar substrates with low surface energy and poor adhesion. If no pretreatment is performed, the paint will fall off very easily, which cannot meet the requirements of actual use. At present, surface pretreatment is generally required before spraying to improve adhesion. At present, there are mainly two methods to improve the spraying of polyolefin materials. The first method is to generate active groups such as carbonyl or carboxyl groups on the surface of the material by means of surface treatment, high temperature flame, plasma and corona. The advantage of this method is that it is very reliable. , high efficiency and guaran...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L23/06C08K7/26
CPCC08L23/12C08L23/06C08K7/26
Inventor 赵治国陈平绪叶南飚杨霄云陆湛泉李栋栋王爱东谢修好
Owner KINGFA SCI & TECH CO LTD
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