為什么我們要選擇防靜電PET和導電PET?
為什么我們要選擇防靜電PET和導電PET,而不選擇使用價格低廉的普通絕緣PET,要弄明(ming)白(bai)這個問題,這還(huan)要從靜電本(ben)身說起(qi)! 靜電(dian)(dian)(dian)(dian)(dian)簡單的(de)(de)說就(jiu)是(shi)一種電(dian)(dian)(dian)(dian)(dian)原子(zi),由(you)物(wu)體(ti)相互摩(mo)擦而產(chan)生(sheng)(sheng)的(de)(de)微電(dian)(dian)(dian)(dian)(dian)荷(he),在(zai)任何時候都存(cun)在(zai)于(yu)(yu)空間中,在(zai)春夏(xia)之際(ji)由(you)于(yu)(yu)雨水較為充沛(pei),濕度(du)較大,物(wu)體(ti)表(biao)面產(chan)生(sheng)(sheng)的(de)(de)電(dian)(dian)(dian)(dian)(dian)荷(he)會被水氣(qi)沿著皮膚或(huo)物(wu)體(ti)表(biao)面帶(dai)到地面而消(xiao)失,但在(zai)秋、冬季節,由(you)于(yu)(yu)物(wu)體(ti)表(biao)面、皮膚比較干燥,產(chan)生(sheng)(sheng)的(de)(de)電(dian)(dian)(dian)(dian)(dian)荷(he)一旦遇到相反電(dian)(dian)(dian)(dian)(dian)性的(de)(de)電(dian)(dian)(dian)(dian)(dian)荷(he)就(jiu)會產(chan)生(sheng)(sheng)電(dian)(dian)(dian)(dian)(dian)火花--即(ji)靜電(dian)(dian)(dian)(dian)(dian)。由于普通PET的表面電阻值較高(gao),普遍(bian)在1011以上,因此只(zhi)適合作(zuo)為絕緣(yuan)體(ti)使用!
現在明白(bai)了(le)靜電(dian)(dian)(dian)的產(chan)生原理(li),我們就可以(yi)很(hen)明白(bai)的理(li)解為什么我們要在電(dian)(dian)(dian)器產(chan)品中(特別是電(dian)(dian)(dian)子元器件)使(shi)用(yong)防靜電(dian)(dian)(dian)PET和導電(dian)(dian)(dian)PET了(le)!
沒錯,使用(yong)防靜電(dian)(dian)(dian)(dian)(dian)(dian)PET的目的就(jiu)是(shi)利用(yong)防靜電(dian)(dian)(dian)(dian)(dian)(dian)PET、導電(dian)(dian)(dian)(dian)(dian)(dian)PET本(ben)身的特點而(er)有效消(xiao)除電(dian)(dian)(dian)(dian)(dian)(dian)子元(yuan)器(qi)(qi)件(jian)(jian)中因靜電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)荷產生(sheng)的電(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua),從而(er)將潛在(zai)的分險(xian)(xian)降到最低(di)!當電(dian)(dian)(dian)(dian)(dian)(dian)子元(yuan)器(qi)(qi)件(jian)(jian)在(zai)工(gong)作時,由(you)于表(biao)面的電(dian)(dian)(dian)(dian)(dian)(dian)流運轉而(er)產生(sheng)電(dian)(dian)(dian)(dian)(dian)(dian)離子引起(qi)不同大小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)荷的靜電(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua),當靜電(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua)較(jiao)小(xiao)時對(dui)電(dian)(dian)(dian)(dian)(dian)(dian)子元(yuan)器(qi)(qi)件(jian)(jian)影響(xiang)較(jiao)小(xiao),但當電(dian)(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)(hua)積累到一(yi)定程度是(shi)就(jiu)會(hui)產生(sheng)強大的瞬間電(dian)(dian)(dian)(dian)(dian)(dian)流而(er)引起(qi)電(dian)(dian)(dian)(dian)(dian)(dian)路起(qi)火(huo),甚至(zhi)爆炸的危險(xian)(xian)!
知道了防靜電PET和導電PET的功效,那我們現在就針對防靜電PET本身的特征來重點講解防靜電PET和導電PET產品的構成,以及如何達到消除靜電的功能的:
1:防靜電(dian)產品是指表面電(dian)阻(zu)值在106-109之間的,表面電(dian)壓在100V以下的產品。(小于106就是導電體,超過(guo)1011就是絕緣體)
2:防靜電(dian)PET的工作原理:是通過對PET本身進行(xing)特(te)殊(shu)處(chu)理后(hou)使其(qi)表面(mian)電(dian)阻值保持(chi)在106-109之間(jian),從而使其表面產(chan)生(sheng)一(yi)層均勻的、薄薄的水氣層。當電(dian)子元器件(jian)內部產(chan)生(sheng)靜電(dian)時,就可(ke)以通過(guo)防靜電(dian)PET表面的水氣層快速的把靜電(dian)傳(chuan)導到(dao)(dao)外界,將危險降到(dao)(dao)最低!
深圳(zhen)市金瑪萊塑膠有限公司在(zai)經過大量的(de)實驗研究(jiu)后,于2014年開發(fa)了一款可以使PET表面的(de)的(de)電阻(zu)值長期有效的(de)保持在(zai)106-109之間,且不會(hui)受溫度(du)和外界條件變化而發生(sheng)改變的高性能PET產品,目前主要(yao)有黑色防靜電PET,黑色防靜電膠帶;白色防靜電PET,白色防靜電膠帶;藍色防靜電PET,藍色防靜電膠帶......