在进行卷筒不干胶标签印刷怎样控制静电?
行业新闻 | 2020-11-30印制不干胶标签如(ru)何有(you)效地控制静(jing)电?众(zhong)所周知,不(bu)(bu)干(gan)胶(jiao)标签(qian)在印(yin)刷(shua)过程(cheng)中会产(chan)生大量的(de)静(jing)电,为了更好的(de)提高不(bu)(bu)干(gan)胶(jiao)标签(qian)的(de)印(yin)刷(shua)质量和实际(ji)效果(guo)。不(bu)(bu)干(gan)胶(jiao)标贴(tie)制造商友情提示您:印(yin)刷(shua)不(bu)(bu)干(gan)胶(jiao)标贴(tie)可以(yi)采用以(yi)下几种方式有(you)效地控制静(jing)电产(chan)生:
一、应用带静电的(de)材(cai)料(liao)对地(di)面(mian)进行接(jie)地(di):其(qi)他(ta)接(jie)地(di)物(wu)体也可应用于其(qi)他(ta)清(qing)洁的(de)环境。一般(ban)在(zai)印花车间中都会(hui)使用导电性能良好的(de)桌(zhuo)垫、地(di)垫等。
二(er)、应用防静(jing)(jing)(jing)电(dian)(dian)(dian)(dian)涂(tu)(tu)料(liao)(liao)(liao)及清(qing)洁剂:防静(jing)(jing)(jing)电(dian)(dian)(dian)(dian)涂(tu)(tu)料(liao)(liao)(liao)及清(qing)洁剂主要(yao)(yao)是涂(tu)(tu)在带电(dian)(dian)(dian)(dian)荷(he)的(de)图文区(qu),这里(li)静(jing)(jing)(jing)电(dian)(dian)(dian)(dian)作(zuo)用的(de)形成是主要(yao)(yao)问题。防静(jing)(jing)(jing)电(dian)(dian)(dian)(dian)涂(tu)(tu)料(liao)(liao)(liao)为氢氯(lv)化溶(rong)液,挥(hui)发性高(gao),含有廉价的(de)金属离子(zi),微粒含量低(di),对聚(ju)乙稀(xi)、不锈钢、PVC材料(liao)(liao)(liao)或(huo)(huo)塑(su)料(liao)(liao)(liao)薄(bo)膜表面(mian)层没有危害。尽管防静(jing)(jing)(jing)电(dian)(dian)(dian)(dian)涂(tu)(tu)料(liao)(liao)(liao)的(de)实(shi)际效果非常显著,但由(you)于(yu)价格较高(gao),且需要(yao)(yao)在图文部位(wei)或(huo)(huo)机器(qi)设(she)备上进行反反复复的(de)防静(jing)(jing)(jing)电(dian)(dian)(dian)(dian)涂(tu)(tu)料(liao)(liao)(liao),所以不经济,不实(shi)用。防静(jing)(jing)(jing)电(dian)(dian)(dian)(dian)涂(tu)(tu)料(liao)(liao)(liao)根据(ju)降(jiang)低(di)材料(liao)(liao)(liao)表面(mian)层摩擦(ca),使电(dian)(dian)(dian)(dian)荷(he)向地面(mian)流(liu)动,从而降(jiang)低(di)材料(liao)(liao)(liao)产生(sheng)静(jing)(jing)(jing)电(dian)(dian)(dian)(dian)作(zuo)用的(de)能力。大部分防静(jing)(jing)(jing)电(dian)(dian)(dian)(dian)涂(tu)(tu)料(liao)(liao)(liao)具有无(wu)腐蚀刺(ci)激(ji)、无(wu)燃烧(shao)的(de)特点(dian)。
三、使带(dai)(dai)静电(dian)(dian)的材(cai)料周围的气体(ti)电(dian)(dian)离(li):使带(dai)(dai)静电(dian)(dian)的材(cai)料接地是不实(shi)际(ji)的,因为(wei)不太可能(neng)使材(cai)料总与接地物(wu)体(ti)接触,例(li)如金属材(cai)料的印(yin)(yin)(yin)字台(tai),当承(cheng)印(yin)(yin)(yin)材(cai)料与接地物(wu)体(ti)分离(li)时,又会形成静电(dian)(dian)。因此这种(zhong)方式只适(shi)用于(yu)承(cheng)印(yin)(yin)(yin)材(cai)料表层湿度为(wei)60%~70%,具(ju)有导(dao)电(dian)(dian)性能(neng)的情况,使印(yin)(yin)(yin)纸(zhi)机接地情况有意义。