不同油墨的干燥速度亦不同,关键在于油墨颜料和连l料的性质。a墨干燥指油墨从流体状态{化ؓZ状态的变化q程Q其速度快慢对印品质量有很大影响—?strong>q燥q快Qa墨会在印版表面结皮、糊版,使印刷品出现?/strong>墨堆U、光泽不良的现象Q干燥过慢,印刷品背面可能发生粘脏、{Uȝ象,不利于下一道工序的q行?/strong>
1Qa墨性质的媄?/strong>
不同油墨的干燥速度亦不同,关键在于油墨颜料和连l料的性质。一般来_有机颜料制备的a墨比无机颜料制备的a墨干燥速度慢;使用E薄连含a量多的a墨比含a量少的a墨干燥速度慢?span>
?/span>(chui)(cang)(mo)(yong)(lian)(hong)(hong)(kou)(kou)(luo)为(hong)(hong)属盐(yi)cR氧化物{(duo)(ren)其分散在q(ma)结(kou)(kou)(yu)(yu)(fu)Q(ben)对q(qian)(qian)(qian)(qian)(cha)植(jian)a(bu)(lian)催q(qian)(qian)(qian)(qian)(cha)(qing)(qing)作(mie)(mo)(yong)(ji)以,(ren)一般用(zu)(zu)机(man)(chui)(cang)制成(fei)(juan)a(bu)墨干燥速度比较快。但(cheng)(tuan)也(lian)特例,(ren)׃黑墨(fei)(dan)(kou)(kou)(yu)(yu)(fu)要是黑(lin)Q(ben)对q(qian)(qian)(qian)(qian)(cha)植(jian)a(bu)q(qian)(qian)(qian)(qian)无催干作(mie)Q(ben)故黑墨(fei)(fan)燥速度比较慢。大多数(lian)机(man)(chui)(cang)为(hong)(hong)金属氧化(jian)和盐类Q(ben)在q(ma)结(kou)(kou)(yu)(yu)(fu)(zu)(zu)催q(qian)(qian)(qian)(qian)作用,(ren)甚至(lian)时h(ge)制(bu)q(ma)结(kou)(kou)氧化(zui)(cha)(yang)、g(huan)~干燥的(qing)(qing)作(mie)(mo)?span>
?/span>含a(bu)(bu)(bu)(bu)(bu)量(gai)含(guo)沚w(gui)指的(qing)是a(bu)(bu)(bu)(bu)(bu)墨制造过E中q(tong)料和颜料的用量比例。通(yun)实际生l计发现Q(ben)含(guo)沚w(gui)与a(bu)(bu)(bu)(bu)(bu)墨干(zan)速度(hai)有一定的(qing)关系Q(ben)即含a(bu)(bu)(bu)(bu)(bu)量(gan)(gan)Q(ben)(shen)a(bu)(bu)(bu)(bu)(bu)墨干(zan)速度(hai)慢;含a(bu)(bu)(bu)(bu)(bu)量(gan)(gan)Q(ben)(shen)a(bu)(bu)(bu)(bu)(bu)墨干(zan)速度(hai)快?span>
?/span>调墨沏V调墨a的主要成分是q性植物aQ有E厚、稀薄以及粘度大之分。a墨干燥速度与调墨a的粘E度有很大关p,_度大Q干燥速度快?br>
2.温度的媄?/strong>
温度的高低是影响油墨q燥速度的重要因素。实践得知:温度每增加约5.5℃,油墨q燥旉U减?span>20%。所以在没有I气调节装置控制温度的情况下Qa墨干燥速度受季节变化的影响较大Q冬季室温低Qa墨干燥速度较慢Q夏季室温高Qa墨干燥速度较快?span>
3.湿度的媄?/strong>
湿(kua)(hai)也是影响(chen)油墨q燥速(zeng)(hai)的主要(huo)()素,湿(kua)(hai)大Q干(gong)燥速(zeng)(hai)则越慢。对于a墨干(gong)燥速(zeng)(hai)影响(chen)较大的(juan)度因()素包括R间(cun)(fen)Ҏ度、(quan)张湿度和油墨湿(kua)(hai)?span>
?/span>车间相对湿(kua)(hai)(hai)。(yao)(pin)的(qing)相对湿(kua)(hai)(hai)(zan)(cai)Q(ben)(shen)(shen)a(bu)墨干(gong)燥速(zeng)(hai)(hai)(zan)慢。因为空(pin)中(fei)水汽(jie)度过(beng)大,(ren)会媄响a(bu)墨在q(qian)燥q程中向I(chu)气中释(lu)水汽。所以,(ren)在南方的(qing)梅雨季节Q(ben)(shen)(shen)a(bu)墨干(gong)燥速(zeng)(hai)(hai)很(zhuan)Q(ben)(shen)(shen)时甚至不(zhen)q(qian)Ԍ(cha)(ren)需增(tai)燥a(bu)(fei)(tong)量(qi)提高q(qian)燥速(zeng)(hai)(hai)?span>
?/span>U张湿度。(yao)张(jie)(qing)(qing)含水性能(shi)(chan)阻止a墨的(qing)(qing)渗(bi)ƈ降(zhan)(pin)化q(qian)(cha)(bao)能力(qian)。(xiao)使纸张含(pin)量很高Q(yue)(cen)(bao)张(jie)(qing)(qing)U维会处于(zhi)(shen)状态,毛细孔易(ju)水层(ta)(cang)堵塞,降(zhan)U张Ҏa墨的(qing)(qing)吸收能力(qian)Qg~(dun)a墨的(qing)(qing)q(qian)(cha)(bao)?span>
?/span>(li)墨湿度(hai)(hai)。(ta)印在U怸(fei)(fei)(juan)a墨,(yue)际上是被^(gou)化的(li)墨。(ta)a墨干燥的(kun)(kun)(zeng)(hai)(hai)与^(gou)化墨中水分(pang)蒸(gao)(kun)(kun)(zeng)(hai)(hai)有(ling)(fen)切(fei)(fei)(fan)p(fei)R如(li)墨乛_严重(dun)时(duo)水(cun)Q蒸(feng)发速(zeng)(hai)(hai)慢,(li)墨q(qian)燥(kun)(kun)(zeng)(hai)(hai)׃(sui)(gao)减慢?span>
4.油墨辅助材料的媄?/strong>
透明(mei)的(fan)(dan)淡剂(qiang)和白(zhu)(zhu)(li)(li)(li)V去(sen)_剂(qiang){都(shi)有抑(rou)a(bu)(li)干(gong)燥的性质Q(ben)(ben)印迹q(cha)变慢(mo)(mo)冲(dan)淡剂(qiang)(mo)(mo)维(rou)a(bu)(mo)(mo)白(zhu)(zhu)(li)、白(zhu)(zhu)(li)(li)(li)等(juan)(juan)要的成(rou)是(yi)q(ma)(tong)(kou)和氢氧(ai)(ai)化铝(guo)(juan)(juan)往往(mei)有(juan)(juan)氧(ai)(ai)化二铝的存在Q(ben)(ben)它(tuan)不溶于水的(mo)(mo)(yao)(ai)(bang)氢(a)氧化铝遇水易解Q(ben)(ben)(shen)以在印刷(jiong)(juan)(juan)会(li)加(li)(li)(li)(gui)(gui)(gui)的(qiao)^化(jian)(jian)(qian),(ren)所以印迹q(cha)(cha)慢(mo)(mo)(yao)(rou)a(bu)(juan)(juan)(lei)作(juan)(juan)普通品的多色套印(li)(li)(li)(gui)(gui)(gui)的(fan)(dan)淡剂(qiang)Q(ben)(ben)冲(dan)淡的(li)(li)(li)(gui)(gui)(gui)色(cha)基本(juan)(juan)没(bing)影响Q(ben)(ben)但(tuan),(ren)光亮(qian)一(lei),(ren)q(cha)慢。(yao)(zhu)(zhu)(li)(li)(li)Ҏ(yi)(juan)(juan)U(qu)(zhu)(zhu)色(cha)(kun)透明(mei)的(qiao)^化(jian)(jian)Q(ben)(ben)用它冲(dan)淡墨色能(shi)降低(li)(li)(li)(gui)(gui)(gui)的粘(qian),(ren)配色均匀Q(ben)(ben)白(zhu)(zhu)(li)(li)(li)(gui)(gui)(gui)(hong)有不q(cha),(ren)(lu)松含有水(cun)Q(ben)(ben)(li)(li)(li)(gui)(gui)(gui)加速了乛_Q(ben)(ben)(shen)(rou)吸入墨层后(man)再逐步蒸发(fu)(hong)(sen)Q(ben)(ben)阻滞了(li)(li)(li)(gui)(gui)(gui)的氧(ai)(ai)化(zui)合过(beng)E,(ren)(mei)严重媄响印q(ma)(gui)(gui)(gui)(gong)燥的速度(mo)(mo)?span>
在胶印过(beng)E中(fu)Q(ben)ؓ了改(xi)(hong)a(bu)墨的印刷(jiong)适性,或(zui)降低a(bu)墨的_度Q(ben)(han)(xian)往加(chai)(zha)ȝ(tang)剂等(juan)(ao)(gong)性的(cha)料(dou)Q(ben)(han)本上(juan)(ao)响a(bu)墨色彩的(wei)(qun)和流动性。(bei)(tuan),(juan)(qiang)用量q多Q(ben)(han)(wei)不q(cha)和(nin)渗(bi)性的物质Q(ben)(han)(tuan)引起印q(gui)(gong)燥慢的弊端,在a(bu)墨中(fu)的含量小?span>5%左右?span>
ȝ来讲Q如果a墨需要冲淡和ȝQ应该相应地在a墨中增加催干剂的用量。如Q红、白燥a?br>
富日智造专利?/strong>
富日智造,始终x印刷从业者的健康与安?/span>Q?/span>紧跟市场需求,一直保持对品质的极致追求,持箋研发创新出符合行业高质量l色化发展、国家环保标准的高端l色印刷原辅材料?/span>富日智造又一Ƒ֮C大研发H破、掌握核心技术的专利产品正推出Q?/strong>
D+快干?/strong>
产品状态:色膏?br> 产品Ҏ:改善油墨转移性能Q顺畅的油墨转移令更薄的油墨层印出更卓越的印刷品Q没?“花Ҏ刮痕”,加快油墨q燥速度Q避免a墨在墨槽、墨辊上q燥Q有效催q印ha墨,提高Cg光泽度,使印件更耐摩擦?/span>
使用Ҏ及添加量Q?/strong>直接(sha)在墨槽中(fu)(ge)?span> 3%-5%Q按重量计)D+ 快干膏加入a墨中Q适当均匀搅拌混合卛_?/span>
包装Q?/strong>200g/支,5?/strong>/盒,50?/strong>/?/strong>
关于我们
富日智?/strong>Q中山市富日印刷材料有限公司Q?/strong>成立?span>2002q_是绿色印刷原辅材料全供应N新技术企业,莯“广东省富日l色印刷材料与色彩管理工E技术研I中心”,已拥?span>100多项知识产权与核心技术,形成以博士科研团队ؓ核心Q各大高校学研工作l互相协作的研发体系Q创新能力位居行业前列,极具投资价值和发展前景?span>
富日智造拥有能巨大的刉工厂,已实现自产胶印a墨、凹印a墨、化学品、上光a、印刯材、配套设备等Q覆盖胶Cp?/span>60%的刚需产品Qؓ(fu)q大C提供(zong)自主(lian)发生(hai)的创新(ban)l(kua)原辅(shou)料和配套设备,(ren) (yue)现全品cd(hui)(fa)厂(bei)h(huan)(sui)销的(qiao)揽(jie)采购(mo)(huo)ƈ(gou)提供(zong)专业的技术支(xia)持(huo)贴心的售(yang)服务,(ren)帮助(zhi)全球(yu)C(yang)绿(cuan)印(yan)刯{型升U,(ren)取得更大的经效(sui)(e)?/span>
(she)生(bang)(bang)和l(xi)中,(ren)富(shen)(yuan)智造始l坚(su)(juan)“绿色环保(guo)质(chuan)量先行”的(qing)理(gong)Q徏立绿色规范化(geng)理(zhe)体系(chen)Q实(kou)严格的(qing)(bang)(bang)品质量()(geng)控。生(bang)(bang)经营资质齐全,(ren)已取得危化品安全生许可证、危化品l营许可证、全国排污许可证?/span>ISO 9001质量理体系认证?/span>ISO 14001环境理体系认证?/span>OHSAS 18001职业健康安全理(zhe)体系(chen)认证(yu)(mo)(heng)国环境标志品认证、绿色印(rou)原辅材料(yu)品认定等?/span>
5.U张的媄?/strong>
U张(qu)以植(jian)纤l交l,q(qian)(duo)以填(kou)、胶(kou)、色(kou)等原料加(chai)而(shen)(mo)(mo)其()某些(sai)(jian)理(mo)(mo)化(ying)性质Ҏa墨干(zan)速(zeng)(hai)的媄(jiang)响甚大?span>
?/span>U(wan)张(qu)l(zi)构。(yao)(han)(han)(han)张结构(fan)油(gui)q(qian)燥(bao)(kun)(zeng)(hai)的(fan)响在()于(tiao)l(zi)交l(zi)、表面施胶和(sui)料(dou)(yang)(tiao)(yue)的(jian)理状况。一般而言Q纸(han)(han)(han)张表面粗p、结构松(ding)(gai)渗(kun)性大、施胶度(hai),油(gui)(yue)Ҏq(qian)燥(bao)。这是因为粗p、松(ding)及(kou)(kou)胶度小的(tong)(han)(han)(han)张(chai)q结(kou)(kou)(zan)(yang)(gao)性强(ji)Qa墨被印(ban)()U(wan)张(qu)上后Q一些矿(jian)性溶(han)剂可立即(ju)纸(han)(han)(han)张(chai)(lu)而失d^衡(hai)()(zeng)(juan)Q干燥速(zeng)(hai)快?span>
?/span>U张酸碱度。纸张有酸碱之分。一般情况下Q酸性纸上的油墨比碱性纸上的油墨q燥慢。实验证明,一般^印用U的pH值控制在8?span>9为好?span>
6.图文分布和墨层厚度的影响
?/span>图文(rou)布。版(wei)图文(pian)占面U越(xi)(ren)I白位置(jiang)大Q则U张(qu)所耗水(yue)(yue)越(chan),(ren)油墨乛_(yue)(yue)越(chan),(ren)往往印(ban)U张(qu)(fei)a(bu)墨不(tuan)干(gong)(zan)(zan)。特(kai)(rou)是(yi)印(ban)(qu)(juan)端接近I白部分(ke)(cha)缘(fei)a(bu)墨,(ren)()׃乛_(yue)(yue)大Q更加不(tuan)干(gong)(zan)(zan)?span>
?/span>墨层(die)厚(ya)。墨(ba)(ba)(ba)过厚会D墨层(die)表面形成氧化(yang)膜Q减~(ke)()气(pei)(fu)的氧q入(ai)膜层(die)(cong)部的速(zeng)Q加之墨(ba)(ba)(ba)过厚会让a墨与U张(qu)的接(sha)触机会(ya),从(zhi)降(mi)低渗(kun)作用,(jia)以,q(jiong)(ru)的墨(ba)(ba)(ba),(li)(gui)q(qian)燥(bao)(kun)(zeng)会(dong)较慢?span>
07收纸堆放的媄?/strong>
印张(qu)的堆(mi)放与印(ban)q(qian)燥(bao)(jian)(jian)慢有(sui)大媄(jiang)响,胶印油墨(tuan)氧(ai)(chen)结U(wan)(wan)张(qu)上(fu)油墨墨膜q(qian)燥(bao)靠的(tuan)与I(chu)气中氧(ai)产生氧化(yi)(dui)(ban)、聚合放热的反应Q(ben)如果纸(liao)表面光滑,堆(gong)较高Q(ben)(chu)气(liu)与印qҎ触,(jian)(jian)(ping)(zhi)会出(dui)C(ban)台张(qu)U(wan)(wan)(hao)间部分(gong)(mi)U厚(ru)Q(ben)印(liao)(chai)(gong)燥缓(yuan)?span>
(juan)Z加快(ti)迹(kang)(li)膜(wan)(fei)干燥,(ren)(ren)(ren)(huan)(huan)是采取用木夹(shou)在收纸C分多(ba)将(ti)张分隔出来(sa)Q(ben)(han)堆放过(zha),(ren)(ren)(ren)加快q燥Q(ben)或者印张印L(shou)了{(jiang)待(juan)定时(lu)_(ren)(ren)(ren)对印刷(feng)(xi)品(shan)q行透风Q(ben)目(ju)(fei)是(li)加(ji)(ti)迹(kang)(juan)(tiao)气的接触Q(ben)(han)(ji)快印q干燥?span>
8.润版液的影响
润版液一般呈酸性,当其酸性以与作ؓ催干剂的金属盐类发生反应Ӟ油墨的干燥过E将受到破坏。实践证明,润版液的酸性越强,油墨的干燥时间越ѝ?br>
整理(shou)源Q(yang)l?span>