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Dooro 10g oo dhoobo ah, ku dar 100ml oo ah hydrochloric acid oo ay ku jirto 1mol/L dhoobada, isku qas labada, walaaq 24 saacadood, ka dibna qabooji.Kadibna, sifeeyaha waxaa lagu dhaqaa biyo nadiif ah si aysan shaandheynta ugu jirin ions chloride.Shaandhaynta waxaa lagu qallajiyaa foorno leh heerkul ah 100 ° C. ka dib markaad sugto saacadaha 24, waxaa lagu rusheeyaa budo.Markaa, aashitada lagu daweeyay attapulgite ayaa la helaa.
U diyaari aashitada lagu daweeyay attapulgite firidhsan oo leh jajab tiro badan oo ah 10%, shaqaaleysi walaaqa korantada laba saacadood, ka dibna samee fidinta ultrasonic hal saac.Ka dib, ku dar kareemka poliurethane aqueous ee firidhsan ee xaaladaha walaaqaya, halkaas oo jajabka tirada badan ee xajinta polyurethane aqueous waa 20%, Maaddada aashitada lagu daaweeyaa attapulgite waxaa lagu xakameynayaa inta u dhaxaysa 0.1% iyo 5% ee polyurethane ku salaysan biyaha. kareemka resin, labada waxaa loo ogol yahay in ay ka falceliyaan at 70 ℃ muddo afar saacadood ah, ka dibna alaabta waxaa lagu ururiyey ilaa 20% iyadoo la isticmaalayo uumi wareeg ah.Sidaa daraadeed, wax ka beddelka kareemka polyurethane ee biyaha ku salaysan iyadoo la isticmaalayo dhoobada attapulgite ayaa markii hore la ogaaday.Ka dib, filimka waxaa lagu sameeyay codsiga alaabta la bedelay, iyo 20g ee alaabta ayaa la geliyay caaryada polytetrafluoroethylene si loo gaaro sameynta filim.