The invention discloses a low-addition ultra-light superconductivity flame-retardant PPO (polyphenylene oxide) alloy, which is characterized by comprising the following ingredients in parts by weight: 50 to 70 parts of polyphenyl ether, 15 to 30 parts of polystyrene, 5 to 8 parts of triphenylphosphine oxide, 5 to 8 parts of carbon nanotubes, 0.2 to 1 part of antioxidants, 1 to 3 parts of lubricating agents, 3 to 8 parts of SEBS and 0.5 to 1 part of other processing auxiliary agents. The low-addition ultra-light superconductivity flame-retardant PPO alloy obtained by using the formula provided by the invention has the advantages of good flame-retardant performance, high impact intensity, high glossiness, light weight of the materials and high conductivity. The low-addition ultra-light superconductivity flame-retardant PPO alloy provided by the invention can be widely used in the fields of anti-static and conducting materials, electron (integrated electric appliance) packaging and transportation materials, electromagnetic wave shielding materials, wave absorption materials and the like.

Low-addition ultra-light superconductivity flame-retardant PPO (polyphenylene oxide) alloy and preparation method thereof

The invention relates to an organic polymer composite material, more specifically, in particular to environment-friendly injection-molding grade polyphenyl ether and a preparation technology thereof. The environment-friendly injection-molding grade polyphenyl ether comprises the following components according to weight ratio: 30-80% of polyphenyl ether powder, 3-40% of nylon66 powder, 0.1-1.5% of lubricating agent, 1-35% of abrasion-resistant modifier, 0.3-1.5% of antioxidant, 0.1-3.0% of heat stabilizer, 0.1-7.0% of compatilizer and 0.3-5.5% of other auxiliaries. According to the environment-friendly injection-molding grade polyphenyl ether and the preparation technology thereof, better improved self-lubrication and abrasion resistance are obtained on a basis of keeping the comprehensive properties of the original injection-molding grade polyphenyl ether; and the convenience for production and purchase is realized, and the raw and auxiliary materials as well as production equipment are all domestic, so that the production cost and raw material cost are low, therefore the comprehensive competitive power of products is effectively improved.

Environment-friendly injection-molding grade polyphenyl ether and preparation technology thereof

The invention relates to an organic polymer composite material, more specifically, in particular to self-lubricating abrasion-resistant injection-molding grade molybdenum disulfide filled polyphenyl ether and a preparation technology thereof. The self-lubricating abrasion-resistant injection-molding grade molybdenum disulfide filled polyphenyl ether comprises the following components according to weight ratio: 30-80% of polyphenyl ether powder, 5-40% of nylon 66 powder, 1-35% of molybdenum disulfide powder, 0.3-1.5% of antioxidant, 0.1-3.0% of heat stabilizer, 0.1-2.8% of coupling reagent, 0.1-3.0% of HMW (high molecular weight) silicone oil, 1-5% of compatilizer and 0.3-5.5% of other auxiliaries. According to the self-lubricating abrasion-resistant injection-molding grade polymer molybdenum disulfide filled polyphenyl ether and the preparation technology thereof, better self-lubrication and abrasion resistance are obtained simultaneously on a basis of keeping the original advantages of polyphenyl ether; raw materials for production are convenient to purchase; and the raw and auxiliary materials, additives and production equipment are all domestic, so that the production cost and raw material cost are largely lowered, therefore the comprehensive competitive power of products is effectively improved.

Self-lubricating abrasion-resistant injection-molding grade molybdenum disulfide filled polyphenyl ether and preparation thereof

The invention discloses a formula and preparation method of a halogen-free flame retardant polyphenyl ether nylon alloy. The formula of the halogen-free flame retardant polyphenyl ether nylon alloy comprises 35-50 parts of PPO (poly-p-phenylene oxide), 40-54 parts of PA66, 5-8 parts of triphenyl phosphate, 0.2-1 part of antioxidant, 0.5-1 part of lubricating agent, 3-5 parts of EPDM (Ethylene-Propylene-Diene Monomer) graft and 0.5-1 part of other processing agents. The invention also discloses a preparation method of the halogen-free flame retardant polyphenyl ether nylon alloy. The preparation method of the halogen-free flame retardant polyphenyl ether nylon alloy comprises the following steps of: selecting alloy material and stirring; adding silicone oil, the antioxidant, the lubricating agent, the other processing agents and the EPDM graft to obtain the semiproduct of alloy; extruding the prepared semiproduct of alloy, cooling and cutting into grains to finally obtain the finished product of alloy. The alloy prepared by the method provided by the invention has the advantages of good color, good performance, high-temperature resistance, good wear resistance and low cost and well meets the requirement of environmental protection.

Xie Yang

Papers

Formula and preparation method of halogen-free flame retardant polyphenyl ether nylon alloy