03-22
廣(guang)東電木廠:電木是什么?
電(dian)木(mu)(mu)(mu)是(shi)塑(su)(su)料中一(yi)個投入工業生產的(de)品種,電(dian)木(mu)(mu)(mu)的(de)化(hua)學(xue)稱叫(jiao)(jiao)喊酚醛塑(su)(su)料,它具有(you)較高(gao)的(de)機(ji)械強度、良(liang)好的(de)絕(jue)緣性,耐(nai)熱(re)(re)、耐(nai)腐蝕,因(yin)此常(chang)用于制造電(dian)器(qi)材料,如開(kai)關、燈頭(tou)、耳機(ji)、電(dian)話機(ji)殼、儀表(biao)殼等(deng),“電(dian)木(mu)(mu)(mu)”由(you)此而得名。酚醛塑(su)(su)料是(shi)一(yi)種硬而脆的(de)熱(re)(re)固性材料。電(dian)木(mu)(mu)(mu)的(de)特性是(shi)不吸水、不導電(dian)、耐(nai)高(gao)溫、強度高(gao),多(duo)用在電(dian)器(qi)上(shang),因(yin)像木(mu)(mu)(mu)頭(tou)相同絕(jue)緣性高(gao)可塑(su)(su)性好,所以被叫(jiao)(jiao)做“電(dian)木(mu)(mu)(mu)”。電(dian)木(mu)(mu)(mu)是(shi)用粉狀的(de)酚醛樹脂,加進鋸木(mu)(mu)(mu)屑、石棉或陶土等(deng)混
05-27
電(dian)木手柄廠:電(dian)木的注塑工藝
一(yi)、電(dian)(dian)木(mu)簡介。 電(dian)(dian)木(mu),俗稱(cheng)膠(jiao)木(mu),學(xue)名(ming)酚(fen)醛(quan)(quan)模塑料(liao),是(shi)(shi)熱固(gu)(gu)型塑膠(jiao)的(de)一(yi)種(zhong)(zhong),也是(shi)(shi)至早(zao)投入工業出產的(de)塑料(liao)。電(dian)(dian)木(mu)注塑用(yong)到的(de)電(dian)(dian)木(mu)粉(fen)是(shi)(shi)由酚(fen)醛(quan)(quan)樹脂,鋸木(mu)粉(fen),以及(ji)硬(ying)化劑,固(gu)(gu)化劑,增(zeng)(zeng)塑劑,著色劑,潤滑劑,固(gu)(gu)化增(zeng)(zeng)強劑等添加劑組成的(de)。更可以對電(dian)(dian)木(mu)粉(fen)進行(xing)各種(zhong)(zhong)需(xu)求的(de)改性,電(dian)(dian)木(mu)粉(fen)中有(you)40%左右的(de)添加劑。酚(fen)醛(quan)(quan)樹脂是(shi)(shi)苯酚(fen)與甲醛(quan)(quan)的(de)縮(suo)聚物,具有(you)機械(xie)強度(du)高(gao),性能穩(wen)定,耐(nai)酸堿,耐(nai)高(gao)溫低溫,硬(ying)度(du)高(gao)耐(nai).磨損,不(bu)親水,電(dian)(dian)器絕緣性優異是(shi)(shi)一(yi)種(zhong)(zhong)理