A kind of flame retardant composite material for 3D printing and preparation method thereof

Abstract

The invention provides a flame-retardant composite material for 3D printing, which comprises the following raw materials in parts by weight: 60-95 parts of nylon resin, 5-40 parts of ABS (acrylonitrile-butadiene-styrene) resin, 0.3-2 parts of lubricant, 5-20 parts of compatilizer, 0.2-1 part of antioxidant and 5-30 parts of amorphous red phosphorus. The flame-retardant composite material for 3D printing is free of halogen, and can not pollute the environment in the material combustion and use process; and under the interactions among the amorphous red phosphorus, ABS resin and other raw materials, the flame retardancy and toughness of the material are enhanced. The added lubricant lowers the friction factor of the composite material, improves the free mobility of the composite material, avoids the material decomposition caused by local overheating and enhances the appearance quality and surface smoothness of the product. When the flame-retardant composite material for 3D printing is used for 3D printing, the wire sprayed by the sprayer is smooth, and the printed product has high precision and favorable surface quality.

Description

technical field

[0001] The invention belongs to the technical field of 3D printing, and in particular relates to a flame-retardant composite material for 3D printing and a preparation method thereof. Background technique

[0002] 3D printing is a popular name for additive manufacturing technology. It is a technology that produces three-dimensional entities by adding materials layer by layer through continuous physical layer superposition. Different from the traditional material removal processing technology, 3D printing technology can directly produce objects of any shape by adding materials based on computer graphics data without the need for original embryos and molds, which can effectively simplify the manufacturing process of products and shorten the development of products. cycles, improving efficiency and reducing costs. 3D printing technology has been widely used in product prototypes, mold manufacturing, artistic creation, jewelry making, bioengineering and medicine...

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