浙江工業(yè)大學(xué)環(huán)境學(xué)院老師需要做PE的相關(guān)實(shí)驗(yàn),要求是要將PE顆粒壓成紙張薄厚或者研磨粉碎后達(dá)到微米級(jí),以便在儀器上進(jìn)行觀察。
眾所周知,聚乙烯(polyethylene ,簡(jiǎn)稱PE)是乙烯經(jīng)聚合制得的一種熱塑性樹脂。在工業(yè)上,也包括乙烯與少量α-烯烴的共聚物。聚乙烯無(wú)臭,無(wú)毒,手感似蠟,具有優(yōu)良的耐低溫性能(最低使用溫度可達(dá)-100~-70°C),化學(xué)穩(wěn)定性好,能耐大多數(shù)酸堿的侵蝕(不耐具有氧化性質(zhì)的酸)。常溫下不溶于一般溶劑,吸水性小,電絕緣性優(yōu)良。綜合考慮,采用我公司的多樣品組織研磨儀研磨對(duì)樣品進(jìn)行前處理。
實(shí)驗(yàn)?zāi)康模?檢測(cè)不同PE材料的特性
實(shí)驗(yàn)地點(diǎn): 浙江工業(yè)大學(xué)環(huán)境學(xué)院
實(shí)驗(yàn)材料和器具:
樣品:不同種類的PE材料
儀器:全自動(dòng)樣品快速研磨儀(上海凈信JXFSTPRP系列)
配件:鋼罐一套
實(shí)驗(yàn)步驟:
1、將預(yù)處理過冷凍的樣品加入到鋼罐內(nèi),再放到液氮內(nèi)冷凍幾分鐘;
2、將適配器裝入凈信研磨儀中;
3、設(shè)定好運(yùn)行參數(shù);
4、啟動(dòng)儀器至研磨程序結(jié)束,重復(fù)步驟;
實(shí)驗(yàn)結(jié)果:
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