我(wo)司疏(shu)水(shui)(shui)(shui)型(xing)二(er)氧化(hua)(hua)硅(gui)是通過親水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)二(er)氧化(hua)(hua)硅(gui)與硅(gui)烷偶(ou)聯劑發生化(hua)(hua)學反應而制(zhi)得。它具有疏(shu)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)(憎水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)),而且不能在水(shui)(shui)(shui)中分散。疏(shu)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)二(er)氧化(hua)(hua)硅(gui)產(chan)品(pin)的(de)特點是:低吸濕性(xing)(xing)(xing)(xing)、很(hen)好的(de)分散性(xing)(xing)(xing)(xing)、即使對于極性(xing)(xing)(xing)(xing)體系也有流變調(diao)節能力。有些產(chan)品(pin),在疏(shu)水(shui)(shui)(shui)處理(li)的(de)基礎上(shang)再經過結構改性(xing)(xing)(xing)(xing),可為客戶研發新產(chan)品(pin)和提高產(chan)品(pin)的(de)性(xing)(xing)(xing)(xing)能提供進一步的(de)幫助。例如:在液體體系中,疏(shu)水(shui)(shui)(shui)性(xing)(xing)(xing)(xing)二(er)氧化(hua)(hua)硅(gui)可以達(da)到高添加量,而對體系的(de)粘(zhan)度(du)影響很(hen)小。
疏水型二氧化硅功能:
緣江牌-疏(shu)水(shui)型二氧化硅(gui)在(zai)加工使用中是最適宜(yi)的(de)(de)流(liu)變助劑。極性(xing)(xing)(xing)液體的(de)(de)增稠,如環(huan)氧樹脂(zhi)。消(xiao)泡劑的(de)(de)破泡;有機硅(gui)彈性(xing)(xing)(xing)體的(de)(de)補(bu)強;如在(zai)模壓制品中,良(liang)好的(de)(de)疏(shu)水(shui)性(xing)(xing)(xing),提高防腐性(xing)(xing)(xing),改善(shan)介電性(xing)(xing)(xing)能(neng)。如在(zai)電纜復合(he)物,粉(fen)末助流(liu)劑,滅火(huo)劑中,在(zai)涂料和塑(su)料中提高耐(nai)劃傷性(xing)(xing)(xing)。可(ke)廣泛應(ying)用于工程塑(su)料,改性(xing)(xing)(xing)塑(su)料,硅(gui)橡膠、消(xiao)泡劑、油漆(qi)、油墨、滅火(huo)劑及粉(fen)末涂料中。