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- The NORYL family of modified resins consists of amorphous blends of polyphenylene oxides (PPO) or polyphenylene ether (PPE) resins with polystyrene. They combine the inherent benefits of PPE resin (affordable high heat resistance, good electrical insulation properties, excellent hydrolytic stability and the ability to use non-halogen fire retardant packages), with excellent dimensional stability, good processability and low density. They were originally developed in 1966 by General Electric Plastics (now owned by SABIC). NORYL is a registered trademark of SABIC Innovative Plastics IP B.V. NORYL resins are a rare example of a homogeneous mixture of two polymers. Most polymers are incompatible with one another, so tend to produce separate phases when mixed. The two polymers compatibility in NORYL resins is due to the presence of a benzene ring in the repeat units of both chains. (en)
- Le matériau de marque Noryl est un mélange de polymères commercialisé en 1964 par General Electric Plastics, maintenant Sabic Innovative Plastics. À l'origine, c'était un mélange (mécanique) composé de poly(oxyde de phénylène) (sigle PPO) et de polystyrène choc (SB). Le Noryl est un matériau thermoplastique technique. Le PPO est très onéreux, par contre le prix du PS est très bas. Différents grades de Noryl sont disponibles. Par exemple, pour les ailes avant d'automobile, le Noryl GTX, un mélange PPE + PA, est utilisé. Il a connu un fort développement, comme le mélange PC + ABS (marques Bayblend, Pulse, Anjablend A). (fr)
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- The NORYL family of modified resins consists of amorphous blends of polyphenylene oxides (PPO) or polyphenylene ether (PPE) resins with polystyrene. They combine the inherent benefits of PPE resin (affordable high heat resistance, good electrical insulation properties, excellent hydrolytic stability and the ability to use non-halogen fire retardant packages), with excellent dimensional stability, good processability and low density. They were originally developed in 1966 by General Electric Plastics (now owned by SABIC). NORYL is a registered trademark of SABIC Innovative Plastics IP B.V. (en)
- Le matériau de marque Noryl est un mélange de polymères commercialisé en 1964 par General Electric Plastics, maintenant Sabic Innovative Plastics. À l'origine, c'était un mélange (mécanique) composé de poly(oxyde de phénylène) (sigle PPO) et de polystyrène choc (SB). Le Noryl est un matériau thermoplastique technique. Le PPO est très onéreux, par contre le prix du PS est très bas. Différents grades de Noryl sont disponibles. Par exemple, pour les ailes avant d'automobile, le Noryl GTX, un mélange PPE + PA, est utilisé. (fr)
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