HIPS composite material with excellent chemical resistance and preparation method thereof

A composite material and chemical resistance technology, which is applied in the field of HIPS composite materials and its preparation, can solve problems such as insufficient chemical resistance and poor mechanical properties of composite materials, and achieve high cost performance, improve compatibility, and improve chemical resistance. Effect

Pending Publication Date: 2020-11-13
FINE BLEND POLYMER SHANGHAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the technical solution disclosed in this patent document, the weight percentage of HIPS is 48-70.9%, the notched impact strength is 60-73J / m, and the tensile strength is 35-42MPa, but the mechanical properties of the composite material are poor, and the chemical resistance Lack of character

Method used

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  • HIPS composite material with excellent chemical resistance and preparation method thereof
  • HIPS composite material with excellent chemical resistance and preparation method thereof
  • HIPS composite material with excellent chemical resistance and preparation method thereof

Examples

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Embodiment 1-4 and comparative example 1

[0047] The HIPS composite material with excellent chemical resistance of Examples 1-4 and the comparative composite material of Comparative Example 1 were prepared by the following steps:

[0048] Step 1: take the components in parts by weight according to Table 2;

[0049] Step 2: Mix the components weighed in step 1 evenly and add them to a twin-screw extruder for melting, extruding and granulating;

[0050] Step 3: The granulation obtained in step 2 is dried to obtain a HIPS composite material.

[0051] The HIPS composite material in each embodiment of this case adopts the following parameters in step 2; the temperature of melt blending and granulation is 180-250°C, the screw speed is 180-600 rpm, and the twin-screw aspect ratio is greater than 30.

[0052] It should be noted that, when weighing the weight of each component in Examples 1-4, weigh according to the following parts by weight: HIPS: 85-95 parts; PBT: 5-15 parts; compatibilizer: 0.5-3 parts Toughening agent: 2...

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Abstract

The invention discloses an HIPS composite material with excellent chemical resistance. The HIPS composite material comprises the following components in parts by weight: 85-95 parts of an HIPS raw material; 5-15 parts of PBT; 0.5-3 parts of a compatilizer; 2-4 parts of a toughening agent; 0.1-1 part of an antioxidant; 0.1-1 part of a lubricant; the compatilizer is one or more of a styrene monomercopolymerization glycidyl methacrylate polymer, a polystyrene grafted glycidyl methacrylate copolymer and a high-impact polystyrene grafted glycidyl methacrylate copolymer, wherein the weight combination ratio of the glycidyl methacrylate is 0.5-10 weight percent. In addition, the invention also discloses a preparation method of the HIPS composite material with excellent chemical resistance. The HIPS composite material is excellent in mechanical property, good in chemical resistance and relatively low in cost, and the preparation method is simple in process and convenient for large-scale production and application.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a HIPS composite material with excellent chemical resistance and a preparation method thereof. Background technique [0002] At present, the procurement cost of the home appliance industry is getting higher and higher. In order to reduce the procurement cost, many home appliance companies have proposed various cost reduction programs. [0003] At present, commonly used materials include HIPS and ABS. Among them, HIPS refers to impact-resistant polystyrene, which is an impact-resistant polystyrene product produced by adding polybutyl rubber particles to polystyrene. ABS refers to acrylonitrile-butadiene-styrene copolymer, which is a terpolymer composed of acrylonitrile, butadiene and styrene, and is usually light yellow or milky white granular non-crystalline resin. [0004] Because the purchase price of HIPS is much lower than that of ABS, and HIPS and ABS have the sam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L51/04C08L67/02C08L51/00
CPCC08L51/04C08L2205/06C08L2205/08C08L2207/53C08L2205/02C08L2205/025C08L2205/035C08L67/02C08L51/003
Inventor 朱从山段浩汤俊杰
Owner FINE BLEND POLYMER SHANGHAI CO LTD
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