黑色色母粒是使用碳黑來生產的。生碳黑是非常難處理而且肮髒的混合物,它布滿了灰塵、重量輕、chengpengsongzhuang。chufeicaiyongdaguimodechulicuoshi,fouzetahuinongzangjiqihegongren,shigongzuohuanjingbiandeangzang。zhengyinweiruci,zhugongmenpubianxuanzezaiyigeshuzhizaitishang,yejiushiheisesemuli,wanchengtanheideyusesan。zhegeshuzhizaitishiqianjingde、自zi由you流liu動dong和he易yi於yu使shi用yong的de。另ling外wai,碳tan黑hei除chu了le肮ang髒zang之zhi外wai,還hai有you一yi個ge特te性xing就jiu是shi難nan於yu進jin行xing色se散san。如ru果guo注zhu模mo時shi直zhi接jie把ba生sheng碳tan黑hei熔rong化hua,著zhe色se效xiao果guo會hui非fei常chang差cha。沒mei有you色se散san的de碳tan黑hei條tiao紋wen和he斑ban點dian區qu域yu若ruo靠kao在zai著zhe色se較jiao少shao的de地di方fang旁pang會hui明ming顯xian的de顯xian現xian出chu來lai。標biao準zhun的de注zhu塑su機ji器qi不bu能neng有you效xiao的de色se散san生sheng碳tan黑hei。 碳tan黑hei這zhe種zhong難nan於yu色se散san的de性xing能neng也ye困kun擾rao著zhe色se母mu粒li生sheng產chan商shang。使shi用yong單dan或huo雙shuang的de螺luo旋xuan擠ji壓ya機ji生sheng產chan的de高gao負fu荷he黑hei色se色se母mu粒li的de色se散san性xing非fei常chang差cha。當dang最zui終zhong使shi用yong者zhe把ba這zhe些xie黑hei色se母mu粒li混hun合he或huo模mo鑄zhu時shi,它ta的de性xing能neng僅jin比bi碳tan黑hei稍shao好hao一yi點dian,但dan效xiao果guo同tong樣yang令ling人ren不bu滿man意yi。為wei達da到dao一yi個ge穩wen定ding的de高gao度du色se散san性xing,必bi須xu使shi用yong高gao水shui準zhun的de剪jian切qie漯luo合he機ji來lai混hun配pei碳tan黑hei,諸zhu如ruFCM或BANBURY的(de)混(hun)合(he)物(wu)。利(li)用(yong)足(zu)夠(gou)的(de)強(qiang)度(du),這(zhe)些(xie)混(hun)合(he)機(ji)可(ke)以(yi)使(shi)碳(tan)黑(hei)和(he)基(ji)礎(chu)樹(shu)脂(zhi)完(wan)全(quan)混(hun)合(he)在(zai)一(yi)起(qi)。所(suo)使(shi)用(yong)的(de)碳(tan)黑(hei)類(lei)型(xing)也(ye)影(ying)響(xiang)著(zhe)色(se)散(san)性(xing)。碳(tan)黑(hei)微(wei)粒(li)越(yue)小(xiao),色(se)散(san)就(jiu)越(yue)難(nan)。 boladeyingyongshizuijiangqiusesanxingyaoqiude。sesanchademulidezuizhongchanpincongbianjiaojiunengyiyubeirouyankandao。chulequefameiganzhiwai,bomolisesanchadetanheimingxiandijiangdileheisebomofangfenghuadexingneng。juyoulianghaosesanxingdexiaoweilishixianweigongyedezhuyaotezhi,zhexiexianweiyongyusheng、紗、地毯以及其他工業。大型機器以每分鍾5000米以上的速度同時生產出30000股細纖維。如果色母粒的色散太差的話,將會弄斷纖維,導致生產停工。
覆蓋力要強 juedingheisesemulizhiliangdediergeyinsushifugaili,duiyuyongyufeiliaohuozaishengjuhewudesemulilaishuo,zhegeyinsuyouqizhongyao,zaizhexieqingkuangxia,heisedezuoyongshiyaofugaifeiliaozhongdeqitayanse。dakelitanheidezhesenenglijiaocha,buyifugaiqitasuoyouzaixiacengdeyanse,jieguozuizhongchanpinzhidedaopianliledesecai。zaironghuaguochengzhong,zhengquedixianzejuyougaozhesenenglidetanheilaifugaixianyouyansedenenglijiushisuoweidefugaili。 流動性要好 juedingheisesemulizhiliangdedisangeyinsushiliubianxingheliudongxing。ruoyigesemulibenshenjuyoulianghaodesesanxing,danshitabunengliudongjinrusuoyaomozhudecailiaozhong,nashengchandexiaoguoyebulixiang。yibanlaishuo,yongyushengchansemulidedadishuzhijuyoujiaogaodeliubianxing。weilejieshengchengben,yixiesemulishengchanshangyongzhongfushiyongdecailiao、廢(fei)料(liao)或(huo)再(zai)生(sheng)料(liao)作(zuo)為(wei)樹(shu)脂(zhi)載(zai)體(ti)。如(ru)此(ci)生(sheng)產(chan)的(de)色(se)母(mu)粒(li)的(de)流(liu)動(dong)性(xing)能(neng)將(jiang)會(hui)顯(xian)著(zhu)降(jiang)低(di),如(ru)果(guo)流(liu)變(bian)性(xing)不(bu)好(hao),鑄(zhu)模(mo)工(gong)會(hui)在(zai)循(xun)環(huan)時(shi)間(jian)和(he)外(wai)觀(guan)處(chu)理(li)上(shang)遇(yu)到(dao)麻(ma)煩(fan)。值(zhi)得(de)注(zhu)意(yi)的(de)是(shi),如(ru)果(guo)色(se)散(san)性(xing)和(he)流(liu)變(bian)性(xing)不(bu)高(gao),有(you)些(xie)最(zui)終(zhong)使(shi)用(yong)者(zhe)會(hui)通(tong)過(guo)提(ti)高(gao)稀(xi)釋(shi)比(bi)來(lai)彌(mi)補(bu),不(bu)過(guo)這(zhe)種(zhong)做(zuo)法(fa)隻(zhi)會(hui)增(zeng)加(jia)了(le)色(se)母(mu)粒(li)的(de)使(shi)用(yong)成(cheng)本(ben)。具(ju)有(you)最(zui)小(xiao)稀(xi)釋(shi)比(bi)的(de)色(se)母(mu)粒(li)可(ke)以(yi)產(chan)出(chu)均(jun)勻(yun)的(de)、色散好的黑色。
相容性要大 相(xiang)容(rong)性(xing)的(de)決(jue)定(ding)黑(hei)色(se)色(se)母(mu)粒(li)質(zhi)量(liang)的(de)第(di)四(si)個(ge)因(yin)素(su)。如(ru)果(guo)色(se)母(mu)粒(li)是(shi)使(shi)用(yong)切(qie)屑(xie)或(huo)再(zai)生(sheng)料(liao)生(sheng)產(chan)出(chu)來(lai)的(de),那(na)麼(me)它(ta)可(ke)能(neng)含(han)有(you)汙(wu)染(ran)物(wu)或(huo)其(qi)他(ta)不(bu)可(ke)熔(rong)化(hua)的(de)聚(ju)合(he)物(wu)。這(zhe)會(hui)引(yin)起(qi)一(yi)些(xie)不(bu)可(ke)預(yu)料(liao)的(de)、nanyuyueshudemafan,langfeilezuizhongxiaofeizhedeshijianheyuanliao。zheshi,keyixuanyongdadishuzhilaishengchangaozhiliangdesemuli,mulizaironghuaguochengzhongcaiyoulianghaodexiangrongxing。youzhidesemulikeshiyongLLDPE、LDPE、HDPE、PP、PS、SAN、PAyijiqitacailiaolaishengchan。ruguoyizhuminggongchengjiheyangedewulixingneng,nameteshudejuhesemulikeyidedaode。jijianguojishangdaxingdesemulishengchanshang,douzaijinxingyanjiu,yitushengchanchusuoweide"全球性通用"的色母粒。這些色母粒可以廣泛的和其他原料相 容,具備良好的流變性,可靈活應用。
穩定性要一致 在今天的國際化經濟中,國際性的顧客對色母粒的質量、生sheng料liao的de穩wen定ding性xing能neng等deng要yao求qiu高gao是shi絕jue對dui必bi要yao的de,這zhe也ye是shi決jue定ding黑hei色se母mu粒li質zhi量liang的de第di五wu個ge因yin素su。穩wen定ding性xing的de一yi個ge主zhu要yao表biao現xian就jiu是shi平ping穩wen的de碳tan黑hei比bi例li。如ru果guo碳tan黑hei的de百bai分fen比bi是shi波bo動dong的de,那na麼me需xu要yao熔rong化hua的de色se母mu粒li的de數shu量liang是shi不bu相xiang同tong的de,要yao生sheng產chan同tong一yi色se調tiao的de產chan品pin也ye不bu可ke能neng。一yi些xie最zui終zhong生sheng產chan者zhe反fan映ying:化們要求的稀釋比通常有5-8%dechayi,shihusemulishengchanshangzaizhizaoshitouruleduoshaocailiao。xianranzheshigebukejieshoude。dangran,qitayinsuruzhururongyedeliudongxinghesesanxingyinggaiyumeiyipidetouliaoliangxiangyizhi。
明暗度要分明 juedingheisemulizhiliangdezuihouyigeyinsushisecaidemingandu。shichangshangyougezhongtanheileixingkeyongyusemulidezhese,dangeleideyanseyujiageyeyouhendabutong。dakelitanheibixiaoweilitanheijuyoujiaodidezheseduhebutongdedise。dakelisemulishiyongyuzhurulajidaibomoshengchan,danbushiyongyushengchannaxiezhuzhongmeiguandechanpin,lirudianshijizhaopaihuoxuyaofangziwaixiandedifangrunongyongbomohuowaiyongguandao。duizhexiechanpinlaishuo,weiyoushiyongjiagejiaogaodexiaoweilitanhei。lingwai,ditoumingduyeshixiaoweilitanheideyigetezhi。
普通碳黑的分類及應用範圍 SRF碳黑一般用於那些不需要強著色力、高(gao)覆(fu)蓋(gai)力(li)或(huo)紫(zi)外(wai)線(xian)保(bao)護(hu)的(de)垃(la)圾(ji)袋(dai)生(sheng)產(chan)。顏(yan)色(se)傾(qing)向(xiang)於(yu)灰(hui)藍(lan)色(se)的(de),價(jia)格(ge)便(bian)宜(yi),並(bing)且(qie)相(xiang)對(dui)易(yi)於(yu)色(se)散(san),因(yin)此(ci)那(na)些(xie)隻(zhi)配(pei)備(bei)有(you)單(dan)或(huo)雙(shuang)螺(luo)旋(xuan)擠(ji)塑(su)機(ji)的(de)母(mu)粒(li)小(xiao)廠(chang)商(shang)會(hui)選(xuan)擇(ze)這(zhe)種(zhong)碳(tan)黑(hei)。HAF碳黑的微粒大小是SRF碳黑微粒的一半,但著色強度是其2倍。呈棕紅色,其紫外線保護能力明顯強於SRF碳黑,且成本低於P碳黑。它具備良好的覆蓋力, 可以應用在很多方麵。 P碳黑適用於防紫外線應用以及食品工業中,呈紅藍色。 JET碳tan黑hei具ju有you最zui令ling人ren滿man意yi的de色se彩cai明ming暗an度du,呈cheng深shen的de,有you光guang澤ze的de黑hei色se。它ta的de顆ke粒li是shi最zui小xiao的de,但dan不bu易yi於yu色se散san。隻zhi有you那na些xie配pei備bei高gao效xiao剪jian切qie混hun合he機ji的de廠chang商shang使shi用yongJET碳黑時才可取得一致的色散度。它也是普通碳黑中最昂貴的。 成本比較顯示,較貴的色母粒比便宜的色母粒可以經濟地得到較好的生產效果。為什麼會這樣呢?舉例說,一個最終生產者購買用SRF碳黑生產的色母粒含50%的碳黑,每公斤的成本係數是10,他把8%的母粒加入聚合物中取得客人要求的著色效果;他也可以選擇嚐試用含45%碳黑的HAF母粒,同樣的著色效果,每公斤的成本係數是16。因為HAF碳黑的著色強度差不多等於SRF碳黑的2倍,他可以明顯地減少母粒的投入量。 |