1. Qalabka ceeriin ee cell cetter
Cilmiga Chert ee dhismaha ah ee dhismaha waa poly-poly-poly-ka-bilaa-aan lahayn oo isha laga leeyahay:
Cellulose (Pull Pulp ama cudbi), hydrogarbons (metherne chloride), chloride chloride ama silsiladaha kale ee silsiladaha ah), xeryaha etheround-ka (ethylide-ka, propylene oxide, iwm.)
HPMC-hydroxypropyl byluyl celther ether
HEC-hydroxyetylyl celther ether
Hemc-hydroxyetylytyl byluyl celther ether
Ehc-ehyly hydroxytyl celther ether
Mc-methyl bylulose ether
2. Guryaha unugyada cell
Guryaha ku saabsan anshaxa celyos waxay kuxiran yihiin:
Shahaadada polymerization DP Tirada gulukoos gulukoos-ka-fiirinta-viscosity
Beddelka iyo heerka ay ka beddeleen, heerka isku-darka ah ee ku beddelashada - go'aaminta arjiga
Cabbirka walxaha - Xoolaha
DIIWAANKA DARYEELKA (IE RABKA FARSAMADA) - Xilliyada viscosity waxay la xiriirtaa qiimaha pH ee nidaamka
Shahaadada wax ka badalida - hagaajinta caabbinta sag iyo la-hawlgalaynta unugyada celle.
3. Doorka unugyada cluelose ether-ka
Cilmiga Cilmiga Cilmiga ah waa xarun silsilad polumer ah oo ka kooban unugyada β-d-gutose. Kooxda hydroxyl ee molecule iyo oksijiinka oksijiinka ee ku yaal dammaanadda 'Etter' ayaa leh debaajiga hydrogen-ka ah ee molecule-ka biyaha, kaas oo ay ku xayiran tahay dusha sare ee silsiladda polymer ah oo ay gartaan moleekulka. Silsiladda dhexdeeda, waxay dib u dhigtaa uumiga biyaha waxaana la nuugo lakabka salka.
Macaashka ay bixiso astaamaha haynta biyaha ee arimaha unugyada
Looma baahna in la qoyso lakabka saldhiga, geedi socodka keydinta
Dhismaha wanaagsan
xoog ku filan
4. Doorka unugyada clueluse ether - saamaynta qarosiinta
Cilmiga chether waxay kordhin kartaa wadajirka u dhexeeya qaybaha madaafiicda ku saleysan ee gypsum, oo ka muuqata kororka joojinta hoobista.
Faa'iidooyinka ugu weyn ee ay bixiyeen dhumucda qarosiinta ee kantaroolka ah
Yaree ashkashka dhulka
Kordhi sayga saldhigga
Yaree farta hoolka hoolka
Hayso malaagta xitaa
5. Doorka unugyada cluelose ether - waxqabadka dusha sare
Cilmiga chetherka ayaa ka kooban kooxo hydorophilic, kooxo hydroxyl, ether-ka ah) iyo kooxaha hydrophobic (kooxaha methyl, kooxaha ethyl, ringyada gulukoos) waana surfact.
(Xiisadda dusha sare ee biyuhu waa 72mn / m, surplat waa 30mn / m, iyo cellulose ether waa HPC 42, HC 56, HCC 71mn / m)
Faa'iidooyinka ugu weyn ee ay bixiso waxqabadka dusha sare ee anshaxa unugyada unugyada ah waa:
Saamaynta hawada-u-gudbinta
Qeybta (waxay kordhisaa isku-dhafka
6. Shuruudaha ku-dhejinta malabka iftiinka ee loo yaqaan 'cypsum' ee loo yaqaan 'cluelose ether'
(1). Haynta biyaha wanaagsan
(2). Shaqo wanaagsan, oo aan cabin
(3). Dufcaddu si siman u xoqayso
(4). Anti-daloolo adag
(5). Heerkulka geedka ayaa ka sarreeya 75 ° C
(6). Heerka Fasaxa Degdegga ah
(7). Waxaa ugu wanaagsan in la helo awood u yeelo hawada oo xasilinta tuubooyinka hawada ee madaafiicda
11. Sida loo go'aamiyo qiyaasta unugyada unugyada cetherka
Faahfaahinta plateing, waxaa lagama maarmaan ah in la ilaaliyo biyo ku filan madaafiicda muddo dheer si loo helo shaqooyin wanaagsan oo looga fogaado dillaacyada dusha sare. Isla mar ahaantaana, cellese ether waxay haysaa qaddar ku habboon oo biyo ah muddo dheer si hoogaagga looga dhigo geedi socod isku-dhafan oo deggan.
Qaddarka unugyada unugyada ah ee chether waxay kuxirantahay:
Viscosity of cell ether
Geedi socodka wax soo saarka ee cell ether
Waxyaabaha la beddelay iyo qaybinta unugyada celler ee ether
Qeybinta tirada walxaha ka kooban cell ether
Noocyada iyo halabuurka madaafiicda ku saleysan gypsum
Awoodda biyaha nuugista ee lakabka salka
Isticmaalka biyaha ee kala-goynta hoolka ah ee madaafiicda ku saleysan gypsum
Dejinta waqtiga madaafiicda ku saleysan huf
Dhumucda dhismaha iyo waxqabadka dhismaha
Xaaladaha dhismaha (sida heerkulka, xawaaraha dabaysha, iwm.)
Habka Dhismaha (xoqidda gacanta, buugaagta makaanikada)
Waqtiga Post: Jan-18-2023