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Pressure-fixed toner

阅读:764发布:2022-11-23

专利汇可以提供Pressure-fixed toner专利检索,专利查询,专利分析的服务。并且PURPOSE: To improve the pressure-fixing property for ordinary paper and keep the developing property and fixing property stable for numerous copies, by using a specific high-density polyethylene oxide as a binder for a magnetic toner.
CONSTITUTION: A magnetic material, whose grain size is 0.1 to 5 μ and whose quantity is preferably 5 to 30% by weight of the toner, is added to the high-density (0.95 or more, preferably 0.97 or more) polyethylene oxide of 100 or more, preferably 200 or more in melt index, 100°C or more in softening point and 20 or more in acid value or to the toner binder containing 20% by weight or more, preferably 30% or more by weight of such a polyethylene oxide, thereby producing the magnetic toner. The magnetic toner 2 is attracted from a developing feeder 5 to a fixed magnet 3 to adhere to a rotating sleeve 4 made of stainless steel. The thickness of the toner layer is controlled by a blade 6. As a result, an electrostatic latent image on a photosensitive drum 1 is developed.
COPYRIGHT: (C)1979,JPO&Japio,下面是Pressure-fixed toner专利的具体信息内容。

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