1. Awọn ohun elo aise ti cellulose ether
Cellulose ether fun ikole jẹ polima ti kii-ionic ti omi tiotuka ti orisun rẹ jẹ:
Cellulose (igi igi tabi linter owu), awọn hydrocarbons halogenated (methane kiloraidi, ethyl kiloraidi tabi awọn halides gigun-gun miiran), awọn agbo ogun iposii (oxide ethylene, propylene oxide, ati bẹbẹ lọ)
HPMC-Hydroxypropyl Methyl Cellulose Eteri
HEC-Hydroxyethyl Cellulose Eteri
HEMC-Hydroxyethyl Methyl Cellulose Eteri
EHEC-Ethyl Hydroxyethyl Cellulose Eteri
MC-methyl cellulose ether
2. Awọn ohun-ini ti cellulose ether
Awọn ohun-ini ti cellulose ethers da lori:
Iwọn Polymerization DP Nọmba ti awọn ẹya glukosi — iki
Awọn aropo ati iwọn aropo wọn, iwọn isokan ti aropo — pinnu aaye ohun elo naa
Patiku Iwon-- Solubility
Itọju oju oju (ie itusilẹ idaduro) --akoko iki jẹ ibatan si iye pH ti eto naa
Iwọn iyipada-- Ṣe ilọsiwaju sag resistance ati iṣẹ ṣiṣe ti ether cellulose.
3. Ipa ti cellulose ether - idaduro omi
Cellulose ether jẹ agbopọ pq polima kan ti o jẹ ti awọn ẹya glukosi β-D.Ẹgbẹ hydroxyl ti o wa ninu moleku ati atomu atẹgun ti o wa lori ether mnu ṣe asopọ hydrogen kan pẹlu ohun elo omi, eyiti o ṣe adsorbs molecule omi lori oju ti pq polima ti o si di awọn ohun elo naa.Ninu pq, o ṣe idaduro evaporation ti omi ati pe o gba nipasẹ ipele ipilẹ.
Awọn anfani ti a pese nipasẹ awọn ohun-ini idaduro omi ti awọn ethers cellulose:
Ko si ye lati tutu Layer mimọ, ilana fifipamọ
ti o dara ikole
agbara to
4. Ipa ti cellulose ether - ipa ti o nipọn
Cellulose ether le ṣe alekun isokan laarin awọn ẹya ara ẹrọ ti amọ-orisun gypsum, eyiti o han ni ilosoke ti aitasera ti amọ.
Awọn anfani akọkọ ti a pese nipasẹ didan ti awọn ethers cellulose ni:
Din eeru ilẹ
Mu ifaramọ pọ si ipilẹ
Din awọn sagging ti amọ
pa amọ paapaa
5. Awọn ipa ti cellulose ether - dada aṣayan iṣẹ-ṣiṣe
Cellulose ether ni awọn ẹgbẹ hydrophilic (awọn ẹgbẹ hydroxyl, ether bonds) ati awọn ẹgbẹ hydrophobic (awọn ẹgbẹ methyl, awọn ẹgbẹ ethyl, awọn oruka glukosi) ati pe o jẹ surfactant.
(Awọn dada ẹdọfu ti omi ni 72mN/m, surfactant ni 30mN/m, ati cellulose ether ni HPC 42, HPMC 50, MC 56, HEC 69, CMC 71mN/m)
Awọn anfani akọkọ ti a pese nipasẹ iṣẹ ṣiṣe dada ti cellulose ethers ni:
Ipa afẹfẹ afẹfẹ (fifẹ didan, iwuwo tutu kekere, modulu rirọ kekere, resistance di-di)
Ririn (ṣe alekun ifaramọ si sobusitireti)
6. Awọn ibeere ti gypsum pilasita ina fun ether cellulose
(1).Idaduro omi ti o dara
(2).O dara workability, ko si caking
(3).Batch scraping dan
(4).Anti-sagging ti o lagbara
(5).Iwọn otutu jeli ga ju 75 ° C
(6).Iyara itu oṣuwọn
(7).O dara julọ lati ni agbara lati tẹ afẹfẹ sii ati ṣe iduroṣinṣin awọn nyoju afẹfẹ ninu amọ-lile
11. Bii o ṣe le pinnu iwọn lilo ti ether cellulose
Fun awọn pilasita plastering, o jẹ dandan lati da omi ti o to sinu amọ-lile fun igba pipẹ lati le ni iṣẹ ṣiṣe to dara ati lati yago fun awọn dojuijako dada.Ni akoko kanna, ether cellulose ṣe idaduro iye omi ti o yẹ fun igba pipẹ lati jẹ ki amọ-lile ni ilana iṣọn-ẹjẹ iduroṣinṣin.
Iwọn cellulose ether da lori:
Viscosity ti cellulose ether
Ilana iṣelọpọ ti ether cellulose
Akoonu aropo ati Pipin ti Cellulose Ether
Patiku Iwon Pipin ti Cellulose Eteri
Awọn oriṣi ati akopọ ti amọ-orisun gypsum
Agbara gbigba omi ti Layer mimọ
Lilo Omi fun Itankale Standard ti Amọ-orisun Gypsum
Eto akoko ti amọ-orisun gypsum
Ikole sisanra ati ikole iṣẹ
Awọn ipo ikole (bii iwọn otutu, iyara afẹfẹ, ati bẹbẹ lọ)
Ọna ikole (fifẹ afọwọṣe, fifa ẹrọ ẹrọ)
Akoko ifiweranṣẹ: Jan-18-2023