Marka laga hadlayo dhibaatada ah in budada putty-ga ay fududahay in la budo, ama xooggu kuma filna. Sida aan wada ognahay, cellulose ether waa in lagu daraa si loo sameeyo budada putty-ga, HPMC waxaa loo isticmaalaa putty-ga derbiga, dad badan oo isticmaalana ma ku daraan budada latex-ka ee dib loo kala firdhin karo. Dad badan ma ku daraan budada polymer-ka si ay u badbaadiyaan kharashyada, laakiin tani sidoo kale waa furaha sababta putty-ga caadiga ah uu u fudud yahay in la budo oo uu u nugul yahay dhibaatooyinka tayada badeecada!
Butty caadi ah (sida putty 821) waxaa inta badan laga sameeyaa budo cad, xabag istaarij yar iyo CMC (hydroxymethyl cellulose), qaarna waxaa laga sameeyaa methyl cellulose iyo budada Shuangfei. Butty-kani ma laha dhejis mana aha mid biyaha u adkaysta.
Cellulose wuxuu nuugi karaa biyaha oo barari karaa ka dib marka lagu milmo biyaha. Badeecadaha ka yimaada soosaarayaasha kala duwan waxay leeyihiin heerar nuugid biyo oo kala duwan. Cellulose waxay door ka ciyaartaa haysashada biyaha ee putty. Putty-ga qalalan wuxuu leeyahay xoog gaar ah oo keliya si ku meel gaar ah, wuxuuna si tartiib tartiib ah uga takhalusi doonaa budada muddo dheer ka dib. Tani waxay si dhow ula xiriirtaa qaab-dhismeedka molecular-ka ee cellulose-ka laftiisa. Putty-ga noocaas ah waa dabacsan yahay, wuxuu leeyahay nuugid biyo oo sare, waa fududahay in la burburiyo, ma laha xoog, mana laha dabacsanaan. Haddii dusha sare lagu mariyo, PVC-ga hooseeya si fudud ayaa loo qarxi karaa oo loo xumbo; PVC-ga sare waa fududahay in la dhimo oo la jabiyo; nuugista biyaha oo sareysa awgeed, waxay saameyn doontaa sameynta filimka iyo saameynta dhismaha ee dusha sare.
Haddii aad rabto inaad hagaajiso dhibaatooyinka kor ku xusan ee putty-ga, waxaad hagaajin kartaa qaacidada putty-ga, waxaad ku dari kartaa budada latex-ka ee dib loo kala diri karo si habboon si loo hagaajiyo xoogga dambe ee putty-ga, oo dooro hydroxypropyl methylcellulose HPMC tayo sare leh oo leh tayo la hubo.
Inta lagu guda jiro soo saarista putty, haddii xaddiga budada latex ee dib loo kala diri karo lagu daray aysan ku filnayn, ama haddii budada latex ee liidata loo isticmaalo putty, saameyn intee le'eg ayay ku yeelan doontaa budada putty?
Xaddi ku filan oo budada latex-ka ee putty-ga dib loo kala diri karo ah, muujinta ugu tooska ah waa in lakabka putty-gu uu dabacsan yahay, dusha sare la jajabiyey, xaddiga rinjiga loo isticmaalo dahaarka sare waa weyn yahay, dabeecadda simanaanta ayaa liidata, dusha sare waa qallafsan tahay ka dib sameynta filimka, waana ay adag tahay in la sameeyo filim rinji oo cufan. Darbiyada noocaas ah waxay u nugul yihiin inay diirmaan, nabarro galaan, diirmaan, iyo dildilaac ku dhacaan filimka rinjiga. Haddii aad doorato budada putty ee liidata, waa iska cad in gaasaska waxyeelada leh sida formaldehyde ee laga soo saaro derbiga ay waxyeello jireed u geysan doonaan kuwa kale.
Waqtiga boostada: Juun-15-2023