摘要:
A thermoplastic resin composition for an electrical/electronic contact part according to the present invention includes a thermoplastic resin and a polyol, wherein the polyol is contained in a range of 0.2 to 10 parts by weight based on 100 parts by weight of the thermoplastic resin. Alternatively, a thermoplastic resin composition for an electrical/electronic contact part according to the present invention includes: a thermoplastic resin; a halogenated aromatic compound which is contained in a range of 1 to 50 parts by weight based on 100 parts by weight of the thermoplastic resin; and a double salt represented by at least one of (X2O)n.Sb2O5 and (YO)n.Sb2O5, where X represents a monovalent alkaline metal element, and Y represents a divalent alkaline earth metal element, and n represents a ratio of X2O or YO to Sb2O5 exceeding 0.7, the double salt having an adsorbed water elimination rate of not more than 50 min. as calculated in terms of titration time; or a polyol; wherein the double salt is contained in a range of 0.5 to 40 parts by weight based on 100 parts by weight of the thermoplastic resin.
摘要翻译:本发明的电气电子接触部件用热塑性树脂组合物含有热可塑性树脂和多元醇,其中相对于100重量份的热塑性树脂,多元醇的含量为0.2〜10重量份。 或者,根据本发明的用于电气/电子接触部件的热塑性树脂组合物包括:热塑性树脂; 相对于100重量份的热塑性树脂,卤化芳香族化合物的含量为1〜50重量份。 和由(X 2 O 2)n -Sb 2 O 5 O 3中的至少一种表示的双盐和 (YO)n S 2 S 2 O 2其中X表示一价碱金属元素,Y表示二价碱土金属元素, 并且n表示X 2 O 2或YO与Sb 2 O 5以上超过0.7的比例,吸附除水率为2倍 不超过50分钟。 按滴定时间计算; 或多元醇; 其中,基于100重量份的热塑性树脂,所述双重盐的含量为0.5〜40重量份。
摘要:
In an electrostatic recording apparatus according to the present invention, while a photosensitive drum and a drum cleaner are enabled, but an electrostatic latent image is not formed on the drum and a developing unit is not operated yet, a light emission level of an LED, which is controlled so as to keep a received light level of a photo-diode which receives the LED's light reflected from the drum, is measured as a first light emission level. If the first light emission level exceeds a predetermined level it is determined that the detector composed of the LED and the photodiode is contaminated and requires cleaning. Next, the developer is enabled while the latent image is not formed yet. The light emission level to keep the same received light level is measured as a second light emission level. If a difference between the first and second light emission levels exceeds a predetermined limit level, it is determined that the photosensitive drum and/or carrier in developer is deteriorated. Thus, an interval for cleaning the detector is extended, and the deterioration of the drum and/or the carrier is distinguished from the contamination of the detector.