做色母粒選用什麼樹脂做載體,一直以來都沒有一個很好的定論。有些公司采用“應用決定載體”,jiyongyunazhongcailiaojiuyongnazhongcailiaozuozaiti。zheduiyudisefenbilidesemulaishuodequehenbucuo,buchanshengfencengdexianxiang,erqieduicailiaodexingnengyingxiangyehenxiao。danshi,duiyugaosefenhanliangdesemulilaishuojiubijiaokunnan。sefenhanliangguogao,zuijibendeduisefendejinrundouhennandadao。ruguoshiyongdifenziliangdelalaidadaojinkuaijinrundemude,sefenzaizaitizhongdefensanyouyujianqiewufayouxiaodechuandiershoudaoyingxiang。
另外一些廠家采用的是”近似載體”的de方fang法fa。即ji使shi用yong與yu材cai料liao具ju有you部bu分fen相xiang容rong性xing的de材cai料liao做zuo載zai體ti。這zhe樣yang對dui載zai體ti的de要yao求qiu就jiu放fang寬kuan了le很hen多duo。但dan是shi對dui於yu一yi些xie具ju有you點dian狀zhuang進jin膠jiao口kou的de產chan品pin,由you於yu局ju部bu地di區qu在zai成cheng型xing過guo程cheng中zhong出chu現xian流liu動dong剪jian切qie的de緣yuan故gu,又you會hui產chan生sheng氣qi紋wen、銀紋甚至相分離的情況。因此做色母粒時,基本載體的選用似乎不應該一成不變。應當根據產品的成型條件、材料成分和最終使用來決定。
pingshijiechuguodeyixiemulichangtongchangdouyongduiyingshuzhizuozaiti,buranhuiyoubuxiangrongdewenti。haodesemushengchanshangzaipeisefenshidoucaiyongguiyou,zhuyaomudeyinggaishitigaofensanxingheliudongxing。guiyouchengbenjiaogao,tianjiaduoleyeyouwenti,zhuyaoshiguiyoudefenziliangxiao,xichuhouhuiyingxiangyinshuahetuqi。chadejiuyongbaikuangyou、硬脂酸類,高溫夏易分解,發臭。
總之一句話,做色母最主要是要解決的就是分散性和流動性。 |