High-impact-strength ceramic-like PET and preparation method thereof

Abstract

The invention discloses high-impact-strength ceramic-like PET and a preparation method of the high-impact-strength ceramic-like PET. The high-impact-strength ceramic-like PET is prepared from the following components in percentage by mass: 25 to 40% of PET resin, 50 to 70% of a filler, 3 to 10% of a toughening agent, 0.2 to 1% of a nucleating agent, 0.2 to 0.5% of a crystallization accelerator, 0.2 to 1% of a coupling agent, 0.2 to 0.5% of an antioxidant and 0.2 to 1% of a lubricant. Zinc oxide is used as a filler of ceramic-like plastic; the specific gravity is high; dispersion is easy in blending with plastic; processing is convenient in melt extrusion compared with processing using barium sulfate at the same ratio; product impact resistance is excellent; and the product is promising tobe used for replacing ceramic materials.

Description

Technical field [0001] The invention belongs to the technical field of PET preparation, and specifically relates to a high-impact strength ceramic-like PET and a preparation method thereof. Background technique [0002] Ceramics are materials and various products made from clay as the main raw material and various natural minerals through crushing, mixing, molding and calcining. Ceramic products have the characteristics of nature, beauty, durability, low cost, and high hardness. They have excellent wear resistance, solvent resistance and weather resistance. In addition to being used in tableware and decoration, ceramics also play an important role in the development of science and technology. Roles. However, ceramics also have disadvantages such as high energy consumption for firing, poor toughness, poor impact resistance, and fragility. Therefore, people have turned to a lot of research on replacing ceramic products with plastic products. [0003] Plastic products have the adva...

AI Technical Summary

Problems solved by technology

In order to make plastic products with ceramic texture, some people add a large amount of barium sulfate and titanium dioxide to the formula, but because barium sulfate and titanium dioxide themselves have the disadvantage of being difficult to disperse, this makes the plastic products difficult to process, and the resulting products are resistant Very poor impact performance

Some scholars have developed an imitation ceramic product with polyamide as the matrix, zinc oxide as the filler, and iron powder as the weight-increasing material. Poor weather resistance will cause the weather resistance of this product to be far worse than that of ceramic products. It is not a real imitation ceramic product, and the metal powder is easy to cause damage to the extruder screw, which will cause greater losses.

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