LED-lamp forsterite-nylon heat-conduction composite material and preparing method thereof

Abstract

The invention discloses an LED-lamp forsterite-nylon heat-conduction composite material. The LED-lamp forsterite-nylon heat-conduction composite material is prepared from, by weight, 200 parts of nylon6, 40-50 parts of nylon66, 20-30 parts of forsterite, 20-30 parts of carbon fibers, 50-60 parts of acetone, 80-100 parts of nitric acid of 60% to 70%, 3-4 parts of tetraethyl orthosilicate, 3-4 parts of maleic anhydride, 15-20 parts of toluene-2,4-diisocyanate, 20-25 parts of (methyl) hydroxy propyl acrylate, 0.4-1 part of catalyst, 0.4-2 parts of polymerization inhibitor, 3-5 parts of sodium lignin sulfonate, 3-4 parts of potassium hydrogen tartrate, 150-170 parts of tetrahydrofuran, 80-100 parts of methylbenzene and a proper amount of deionized water. The nylon heat-conduction composite material is compact in structure, fast in heat transmission and heat dissipation, good in mechanical performance and durable in use, high-strength LED lamps can be effectively protected, and the service life of the lamps can be prolonged.

Description

technical field [0001] The invention relates to a nylon heat-conducting material and a preparation method thereof, in particular to a forsterite-nylon heat-conducting composite material for LED lamps. Background technique [0002] Generally speaking, the thermal conductivity of pure plastic materials is far lower than that of metal and ceramic materials, but its insulation performance is good. Thermally conductive plastics not only have the heat transfer properties of metals and ceramics, but also retain the advantages of ordinary plastics in terms of design, performance and cost. Low molding shrinkage, low working temperature and improved design freedom are widely used in various industries. [0003] At present, the most typical application of heat-conducting plastics is in the field of lighting, mainly used to make lamp cups of LED energy-saving lamps that require good heat dissipation. Although the heat consumed by LED energy-saving lamps is much smaller than that of ord...

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Problems solved by technology

[0003] At present, the most typical application of heat-conducting plastics is in the field of lighting, mainly used to make lamp cups of LED energy-saving lamps that require good heat dissipation. Although the heat consumed by LED energy-saving lamps is much smaller than that of ordinary light sources, because LED energy-saving lamps Compact and powerful, how to effectively dissipate heat remains an important issue

[0004] Chinese patent application CN102408710A discloses a high thermal conductivity nylon 66 composite material. The base material is all made of nylon 66, which has high hardness. After adding thermal conductive fillers, the tensile and bending properties of the material will deteriorate, and only a coupling agent is added to the formula. And antioxidants, the processability of the whole system is poor, and there will be broken ends in the production extrusion process, which is not suitable for industrial continuous production