PA6 reinforcement refers to the method of adding fillers and additives to the pure material slices to significantly improve the mechanical properties of materials. There are four ways to enhance the modification of PA6: filler reinforcement, fiber reinforcement, liquid crystal reinforcement and nano material reinforcement. Wait.

Structure of PA6 Macromolecule

1. Fiber reinforcement
The most commonly used method for PA6 reinforcement modification is fiber reinforcement. The mechanism of PA6 fiber reinforcement relies on the combined action of the two, that is, the high strength of the fiber is used to withstand higher stress, and the plastic flow of the PA6 matrix resin and its adhesion to the fiber are used to transfer the stress. The most common material used for PA6 fiber reinforcement is glass fiber, and other special fibers such as natural fiber, carbon fiber, graphite fiber, boron fiber, ultra-fine metal fiber and single crystal fiber.

PA6 glass fiber reinforced high-speed rail applications

2. Filler reinforcement
The powdered fillers used in PA6 filler enhancement modification include: carbon black, light silica, calcium carbonate, magnesium carbonate, zinc oxide, etc. The active surface of the powdered filler particles has a strong ability to adsorb the molecular chains of the PA6 polymer, and form physical crosslinks between the chains, so that the load can be evenly distributed when the external force acts, and the mechanical properties of the material are improved. Reduce the possibility of material fracture. The better the affinity between the filler particles and the PA6 molecular chain at the interface, the greater the binding force and the more obvious the enhancement effect.

PA6 filler reinforced pipeline application

3. LCD enhancement
The method used to enhance PA6 liquid crystal is to blend PA6 plastic and thermoplastic to prepare high-performance composite materials. The enhanced and modified liquid crystal polymer is generally a thermotropic main chain liquid crystal, which can form microfibers in the blend. Enhanced role. The cost of this modification method is relatively high, and the application field is relatively special.

PA6 LCD enhanced aviation seat components

4. Nano enhancement, copolymerization modification and other enhancement methods
The method of PA6 copolymerization modification and graft blending toughening is similar, that is, during resin polymerization, PA6 monomer is mixed with PA66, polyimide and other monomers in a certain proportion to participate in the polymerization to obtain PA6 triblock. Copolymer or graft copolymer has the advantages of both, and the mechanical properties are significantly improved.
Nano-enhanced modification is a popular new modification method for PA6 enhancement. Nanomaterials have a special structure, resulting in a variety of special effects such as "nano-size effect, surface interface effect", etc., resulting in the modified PA6 plastic in mechanical properties, optical properties, magnetic properties, chemical reactivity, phase transition temperature, sintering And many aspects such as plastic deformation have nano characteristics that traditional materials do not have.

Spray-free PA6 nano reinforced parts
The commonly used methods of PA6 nano-reinforcement are: intercalation composite method, blending method (including melt blending, solution or emulsion blending, mechanical blending, etc.), in-situ polymerization or in-situ dispersion polymerization, sol-gel method, etc.

Wuxi Jiahong Plastics Technology Co., Ltd. has nearly 30 years of experience in R&D and pelletizing production of PVC compound, and experience in R&D and production of modified engineering plastics; professional technical service team can provide customers with one-stop modified plastic system solutions. If you want to know more about the product, please log in to our official website: www. js-plastics. com, consult online customer service or call the hotline. Landline: 0510-68755207 Mobile: 15190220696, we will serve you wholeheartedly.

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