Putty lulú jẹ akọkọ ti awọn nkan ti n ṣe fiimu (awọn ohun elo ifunmọ), awọn kikun, awọn ohun elo mimu omi, awọn ohun elo ti o nipọn, awọn defoamers, bbl.
Okun:
Fiber (US: Fiber; English: Fiber) n tọka si nkan ti o ni awọn filaments ti nlọsiwaju tabi dawọ duro. Bii okun ọgbin, irun ẹranko, okun siliki, okun sintetiki, ati bẹbẹ lọ.
Cellulose:
Cellulose jẹ polysaccharide macromolecular ti o ni glukosi ati pe o jẹ paati igbekale akọkọ ti awọn odi sẹẹli ọgbin. Ni iwọn otutu yara, cellulose kii ṣe tiotuka ninu omi tabi ni awọn olomi-ara ti o wọpọ. Awọn akoonu cellulose ti owu jẹ isunmọ si 100%, ti o jẹ ki o jẹ orisun adayeba ti o mọ julọ ti cellulose. Ni gbogbo igi, awọn iroyin cellulose fun 40-50%, ati pe 10-30% hemicellulose wa ati 20-30% lignin.
Iyatọ laarin cellulose (ọtun) ati sitashi (osi):
Ni gbogbogbo, sitashi mejeeji ati cellulose jẹ polysaccharides macromolecular, ati pe agbekalẹ molikula le ṣe afihan bi (C6H10O5) n. Iwọn molikula ti cellulose tobi ju ti sitashi lọ, ati pe cellulose le jẹ jijẹ lati mu sitashi jade. Cellulose jẹ D-glukosi ati β-1,4 glycoside macromolecular polysaccharides ti o ni awọn ifunmọ, lakoko ti sitashi ti ṣẹda nipasẹ α-1,4 glycosidic bonds. Cellulose kii ṣe ẹka ni gbogbogbo, ṣugbọn sitashi jẹ ẹka nipasẹ awọn iwe 1,6 glycosidic. Cellulose ko dara tiotuka ninu omi, lakoko ti sitashi jẹ tiotuka ninu omi gbona. Cellulose jẹ aibikita si amylase ati pe ko tan buluu nigbati o farahan si iodine.
Cellulose Eter:
Awọn English orukọ tiether cellulosejẹ ether cellulose, eyiti o jẹ apopọ polima pẹlu ọna ether ti a ṣe ti cellulose. O jẹ ọja ti iṣesi kemikali ti cellulose (ọgbin) pẹlu oluranlowo etherification. Ni ibamu si awọn kemikali be classification ti aropo lẹhin etherification, o le ti wa ni pin si anionic, cationic ati nonionic ethers. Ti o da lori awọn etherification oluranlowo ti a lo, nibẹ ni o wa methyl cellulose, hydroxyethyl methyl cellulose, carboxymethyl cellulose, ethyl cellulose, benzyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, cyanoethyl cellulose, benzyl cyanoethyl cellulose, carboxymethyl hydroxyethyl cellulose, carboxymethyl hydroxyethyl cellulose ikole ati awọn cellulose cellulose carboxymethyl. ether ni a tun pe ni cellulose, eyiti o jẹ orukọ alaibamu, ati pe o pe ni cellulose (tabi ether) ni deede.
Ilana Sisanra ti Cellulose Ether Thickener:
Cellulose ether thickeners jẹ ti kii-ionic thickeners ti o nipọn nipataki nipa hydration ati entanglement laarin moleku.
Awọn polima pq ti cellulose ether jẹ rorun lati dagba hydrogen mnu pẹlu omi ninu omi, ati awọn hydrogen mnu mu ki o ni ga hydration ati inter-molikula entanglement.
Nigbati awọnether cellulosethickener ti wa ni afikun si awọ latex, o fa omi nla ti omi, nfa iwọn didun ti ara rẹ lati faagun pupọ, dinku aaye ọfẹ fun awọn pigments, awọn kikun ati awọn patikulu latex;
Ni akoko kanna, awọn ẹwọn molikula cellulose ether ti wa ni idapọ lati ṣe agbekalẹ ọna nẹtiwọki onisẹpo mẹta, ati awọn pigments, awọn kikun ati awọn patikulu latex ti wa ni ayika ni arin apapo ati pe ko le ṣàn larọwọto.
Labẹ awọn ipa meji wọnyi, iki ti eto naa ti ni ilọsiwaju! Ṣe aṣeyọri ipa ti o nipọn ti a nilo!
Akoko ifiweranṣẹ: Oṣu Kẹrin Ọjọ 28-2024