Budada Putty waxay inta badan ka kooban tahay walxaha samaynta filimada (qalabka isku-xidhka), buuxinta, wakiilada biyaha-haysta, dhumucyada, defoamers, iwm. Alaabta kiimikada caadiga ah ee kiimikada ee budada putty inta badan waxaa ka mid ah: cellulose, istaarijka pregelatinized, istaarijka ether, alkolada polyvinyl, budada cinjirka ah ee kala firdhisan, iwm. Waxqabadka iyo isticmaalka agabka cayriin ee kala duwan ee kiimikaad ayaa mid mid hoos loo falanqeeyay.
1: Qeexida iyo kala duwanaanshaha fiber, cellulose iyo ether cellulose
Fiber (US: Fiber; English: Fiber) waxaa loola jeedaa walax ka kooban fiilo joogto ah ama joogsan. Sida faybarka dhirta, timaha xoolaha, xuubka xariirta, fiber synthetic, iwm.
Cellulose waa polysaccharide macromolecular oo ka kooban gulukoos waana qaybta ugu muhiimsan ee gidaarada unugyada dhirta. Heerkulka qolka, cellulose kuma milmo biyaha ama dareerayaasha dabiiciga ah ee caadiga ah. Maaddada cellulose ee suufku waxay ku dhowdahay 100%, taas oo ka dhigaysa isha ugu dabiiciga ah ee cellulose. Guud ahaan alwaax, cellulose waxay xisaabisaa 40-50%, waxaana jira 10-30% hemicellulose iyo 20-30% lignin. Farqiga u dhexeeya cellulose (midig) iyo istaarijka (bidix):
Guud ahaan, istaarijka iyo cellulose labaduba waa polysaccharides macromolecular, iyo caanaha molecular waxaa lagu tilmaami karaa sida (C6H10O5) n. Miisaanka molecular ee cellulose wuu ka weyn yahay kan istaarijka, cellulose waa la kala goyn karaa si loo soo saaro istaarijka. Cellulose waa D-glucose iyo β-1,4 glycoside macromolecular polysaccharides oo ka kooban curaarta, halka istaarijku uu sameeyay α-1,4 glycosidic bonds. Cellulose guud ahaan ma aha mid laami ah, laakiin istaarijka waxaa laashay 1,6 glycosidic bonds. Cellulose si liidata ugu milmay biyaha, halka istaarijku ku milmay biyo kulul. Cellulose waa dareen la'aan amylase oo ma rogto buluug marka ay la kulmaan iodine.
Magaca Ingriiska ee ether cellulose waa cellulose ether, kaas oo ah xarun polymer ah oo leh qaab dhismeed oo ka samaysan cellulose. Waa sheyga falcelinta kiimikaad ee cellulose (dhirta) oo leh wakiilka etherification. Marka loo eego kala soocida qaabdhismeedka kiimikada ee beddelka ka dib etherification, waxaa loo qaybin karaa anionic, cationic iyo ethers nonionic. Iyadoo ay ku xiran tahay wakiilka etherification ee loo isticmaalo, waxaa jira methyl cellulose, hydroxyethyl methyl cellulose, carboxymethyl cellulose, ethyl cellulose, benzyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose cellulose, cyanoethyl cellulose, benzyl cyanoethyl cellulose, carboxymethyl hydroxyethyl cellulose. warshadaha dhismaha, ether cellulose waxaa sidoo kale loo yaqaan cellulose, kaas oo ah magac aan joogto ahayn, waxaana loo yaqaannaa cellulose (ama ether) si sax ah. Habka dhuuban ee dhumucda ether cellulose ether dhumucdeedu waa dhumuc aan-ionic ahayn, kaas oo dhumucdiisu inta badan tahay fuuq-celinta iyo isku-xidhka u dhexeeya molecules. Silsiladda polymer ee ether-ka cellulose waa sahlan tahay in la sameeyo bond hydrogen iyo biyaha ku jira, iyo bond bond ka dhigaysa in ay leedahay fuuq sare iyo is dhex-molecular dhexda.
Marka dhumucda ether-ka cellulose lagu daro rinjiga cinjirka, waxay nuugtaa xaddi badan oo biyo ah, taasoo keenaysa in mugga u gaar ah uu si weyn u ballaariyo, hoos u dhigista booska bilaashka ah ee midabada, buuxinta iyo qaybaha cinjirka; Isla mar ahaantaana, silsiladaha molecular ether cellulose ayaa isku xiran si ay u sameeyaan qaab-dhismeedka shabakad saddex-geesood ah, iyo midabka Fillers iyo qaybaha cinjirka ayaa ku xiran bartamaha mesh oo aan si xor ah u socon karin. Labadan saameyn, viscosity ee nidaamka waa la wanaajiyey! Waxaan gaarnay saameynta dhumucda aan u baahanahay!
Cellulose Common (ether): Guud ahaan, cellulose suuqa ku jira waxaa loola jeedaa hydroxypropyl, hydroxyethyl inta badan waxaa loo isticmaalaa rinjiga, rinjiga cinjirka, iyo hydroxypropyl methylcellulose waxaa loo isticmaalaa hoobiye, putty iyo alaabta kale. Carboxymethyl cellulose waxaa loo isticmaalaa budada caadiga ah ee gidaarada gudaha. Carboxymethyl cellulose, sidoo kale loo yaqaan sodium carboxymethyl cellulose, loo yaqaan (CMC): Carboxymethyl cellulose (CMC) waa aan sun ahayn, budo flocculent cad oo aan ur lahayn oo leh waxqabad xasilloon oo si fudud ugu milmay biyaha. Dareeraha viscous ee hufan ee alkaline ama alkaline, oo ku milma xabagyada kale ee biyaha-milmi kara, aan milmi karin dareerayaasha organic sida ethanol. CMC waxaa loo isticmaali karaa sida binder, dhumuc weyn, wakiilka ganaax, emulsifier, kala firdhiyey, stabilizer, wakiilka cabbirka, iwm. , oo badanaa loo yaqaan " monosodium glutamate warshadaha ". Carboxymethyl cellulose waxa uu leeyahay hawlaha isku xidhka, dhumucdi, xoojinta, emulsifying, haynta biyaha iyo joojinta. 1. Codsiga of sodium carboxymethyl cellulose in warshadaha cuntada: sodium carboxymethyl cellulose ma aha oo kaliya a emulsification wanaagsan emulsification iyo dhumuc ee codsiyada cuntada, laakiin sidoo kale waxa uu leeyahay qaboojin aad u fiican iyo xasiloonida dhalaalaysa, iyo hagaajin kartaa dhadhanka alaabta sii dheeraysaa wakhtiga kaydinta. 2. Isticmaalka sodium carboxymethyl cellulose ee warshadaha dawooyinka: waxaa loo isticmaali karaa sida stabilizer emulsion for irbado, binder iyo wakiilka film-samaynta ee kiniiniyada in industry farmashiyaha. 3. CMC waxa loo isticmaali karaa sidii wakiilka-dejinta, emulsifier, firdhiya, wakiilka siman, iyo xabagta daahan. Waxay ka dhigi kartaa maadada adag ee dahaarka si siman loo qaybiyey dareeraha, si aanay daboolku u delaminate waqti dheer. Waxa kale oo si weyn loogu isticmaalaa rinjiga. 4. Sodium carboxymethyl cellulose waxaa loo isticmaali karaa sida flocculant, wakiilka chelating, emulsifier, dhumuc weyn, wakiilka biyaha haynta, wakiilka cabbirka, film-samaynta walxaha, iwm Waxa kale oo si weyn loo isticmaalo in electronics, cayayaanka, maqaarka, balaastikada, daabacaadda, dhoobada, Warshadaha kiimikada ee maalinlaha ah la isticmaalo iyo qaybaha kale, iyo sababta oo ah waxqabadkeeda ugu wanaagsan iyo adeegsigeeda ballaaran, waxay si joogto ah u horumarinaysaa goobo cusub oo codsi ah, rajada suuqana aad ayay u badan tahay. ballaaran Tusaalooyinka arjiga: qaacidada budada ah ee derbiga dibedda ee gidaarka gudaha 1 Shuangfei budada: 600-650kg 1 budada Shuangfei: 1000kg 2 cement cad: 400-350kg 2 Pregelatinized istaarijka: 5-6kg 3 Pregelatinized istaarijka: 05-6k -15kg ama HPMC2.5-3kg4 CMC: 10-15kg ama HPMC2.5-3kg Putty budada lagu daray karboxymethyl cellulose CMC, waxqabadka istaarijka pregelatinized: waxqabadka isku xidhka, iyo ilaalinta biyaha qaarkood; ② Hagaajinta awoodda ka-hortagga simbiriirinta (dhaqdhaqaaqa) ee maaddada, wanaaji waxqabadka shaqada ee maaddada, oo ka dhig hawlgalka mid fudud; kordhiso wakhtiga furitaanka ee alaabta. ③ Kadib marka la qalajiyo, dushu waa siman yihiin, kama dhacayso budada, waxay leedahay sifooyin filim samaynta oo wanaagsan oo aan xoqin. ④ Waxaa ka sii muhiimsan, qiyaasta waa yar tahay, iyo qiyaasta aadka u hooseeya waxay gaari kartaa saameyn sare; isla mar ahaantaana, qiimaha wax soo saarka ayaa la dhimay ilaa 10-20%. Warshadaha dhismaha, CMC waxaa loo isticmaalaa soo saarista preforms shubka ah, kaas oo yarayn kara khasaaraha biyaha oo u dhaqma sidii dib-u-dhac. Xataa dhismaha ballaaran, waxay sidoo kale wanaajin kartaa xoogga shubka waxayna fududeyn kartaa qaab-dhismeedka si ay uga soo dhacaan xuubka. Ujeedada kale ee muhiimka ah waa in la xoqo derbiga caddaanka ah iyo budada dhejiska ah, dhejiska dhejiska, kaas oo badbaadin kara qalab badan oo dhismo ah oo kor u qaadaya lakabka ilaalinta iyo iftiinka derbiga. Hydroxyethyl methylcellulose, loo yaqaan (HEC): formula kiimikaad:
1. Hordhaca hydroxyethyl cellulose: Hydroxyethyl cellulose (HEC) waa eter cellulose aan ionic ahayn oo laga sameeyay cellulose maadada polymer dabiiciga ah iyada oo loo marayo taxane kiimiko ah. Waa budo cad oo aan ur lahayn, dhadhamin, aan sun ahayn ama granul, kaas oo lagu milmi karo biyo qabow si loo sameeyo xal muuqda oo muuqda, iyo kala diriddu ma saameynayso qiimaha pH. Waxay leedahay dhumuc, xidhidh, kala firdhisan, emulsifying, filim samaynta, laalista, adsorbing, oogada firfircoon, qoyaan-hayntiisa iyo sifooyinka milix u adkaysta.
2. Tilmaamayaasha Farsamada Heerka Mashruuca Muuqaalka Caddaan ama budada huruudda ah ee Molar Beddelka (MS) 1.8-2.8 Biyaha aan milmi karin (%) ≤ 0.5 Luminta qalajinta (WT%) 5.0 Hadhaaga dabka Viscosity (mPa.s) 2%, 30000.60000
● Hydroxyethyl cellulose waxay siisaa dahaadh heersare ah oo loogu talagalay dahaarka cinjirka, gaar ahaan dahaarka sare ee PVA. Wax flocculation ah ma yimaado marka rinjigu yahay dhismo qaro weyn.
● Hydroxyethyl cellulose waxay leedahay saamayn dhumuc sare leh. Waxay yarayn kartaa qiyaasta, hagaajinta dhaqaalaha caanaha, iyo hagaajinta caabbinta xoqida ee daahan.
guryaha rheological heer sare ah
Xalka biyaha ee hydroxyethyl cellulose waa nidaam aan Newtonian ahayn, hantida xalkeedana waxaa loo yaqaan thixotropy.
● Xaaladda taagan, ka dib marka alaabtu si buuxda u milmo, nidaamka dahaarka ayaa ilaalinaya dhumucda iyo furitaanka ugu fiican.
● Xaaladda shubitaanka, nidaamku wuxuu ilaaliyaa viscosity dhexdhexaad ah, si ay alaabtu u leedahay dareere aad u fiican oo aan dillaacin.
● Marka lagu codsado burush iyo rullaluistu, alaabtu waxay si fudud ugu faaftaa substrate-ka. Way ku habboon tahay dhismaha. Isla mar ahaantaana, waxay leedahay iska caabin wanaagsan oo qulqulaya.
● Ugu dambeyntii, ka dib marka dahaarka la dhammeeyo, viscosity ee nidaamka isla markiiba soo kabsado, iyo daahan isla markiiba hoos u.
Kala firdhinta iyo milanka
● Hydroxyethyl cellulose waxaa lagu daaweeyaa kala dirid daahday, taas oo si wax ku ool ah uga hortagi karta aglomeration marka budada qallalan lagu daro. Ka dib markii la hubiyo in budada HEC ay si fiican u kala firdhiso, billow fuuq-celinta.
● Hydroxyethyl cellulose oo leh daawaynta saxda ah ee dusha sare waxay si fiican u hagaajin kartaa heerka kala dirida iyo heerka korodhka viscosity ee alaabta.
xasilloonida kaydinta
● Hydroxyethyl cellulose waxay leedahay sifooyin wanaagsan oo caariyaysi ka-hortagga waxayna bixisaa waqti ku filan kaydinta rinjiga. Waxay si wax ku ool ah uga hortagtaa midabada iyo buuxinta inay dejiyaan. 4. Sida loo isticmaalo: (1) Ku dar si toos ah inta lagu jiro wax soo saarka Habkani waa kan ugu fudud oo qaata wakhtiga ugu gaaban. Tallaabooyinka waa sida soo socota: 1. Ku dar biyo saafi ah baaldi weyn oo ay ku rakiban yihiin kicinta xiirta sare. 2. Bilow inaad si joogto ah u walaaq xawaare hoose oo si tartiib ah u kala miir hydroxyethyl cellulose si siman xalka. 3. Sii wad walaaq ilaa dhammaan qaybaha ay qooyaan. 4. Ka dibna ku dar wakiilka antifungal iyo waxyaabo kala duwan oo lagu daro. Sida midabada, qalabka kala firdhisan, biyaha ammonia, iwm. 5. Walaaq ilaa dhammaan cellulose hydroxyethyl ay si buuxda u milmaan (viskosity ee xalku si weyn ayuu u kordhayaa) ka hor intaadan ku darin qaybaha kale ee qaacidada falcelinta. (2) U diyaari khamriga hooyada si aad u isticmaasho: Habkani waa in marka hore la diyaariyo khamriga hooyada oo aad u badan, ka dibna lagu daro alaabta. Faa'iidada habkani waa in uu leeyahay dabacsanaan weyn oo si toos ah loogu dari karo alaabta la dhammeeyey, laakiin waa in si habboon loo kaydiyaa. Tallaabooyinka waxay la mid yihiin tillaabooyinka (1-4) ee habka (1): Farqiga ayaa ah in aan loo baahnayn kicinta-xiirid sare, kaliya qaar ka mid ah agitators oo leh awood ku filan si ay u ilaaliyaan hydroxyethyl cellulose si siman u kala firdhisan xalka, sii walaaq ilaa gebi ahaanba la kala diro. galay xal viscous ah. Waa in la ogaadaa in wakiilka antifungal waa in lagu daraa khamriga hooyada sida ugu dhakhsaha badan. V. Codsiga 1. Loo isticmaalo rinjiga cinjirka biyaha ku salaysan: HEC, sida kolloid difaac ah, waxaa loo isticmaali karaa vinyl acetate emulsion polymerization si loo hagaajiyo xasilloonida nidaamka polymerization ee qiimaha pH ee ballaaran. Soo saarista alaabada dhammaatay, waxyaabaha lagu daro sida midabada iyo buuxinta ayaa loo isticmaalaa si isku mid ah loo kala firdhiyo, loo dejiyo loona bixiyo saameyn dhumuc leh. Waxa kale oo loo isticmaali karaa sida kala-firdhiye ah polymers-ka-joojinta sida styrene, acrylate, iyo propylene. Isticmaalka rinjiga cinjirka ah ayaa si weyn u wanaajin kara dhumucdiyada iyo qaabaynta heerka. 2. Xagga qodista saliidda: HEC waxa loo isticmaalaa dhoobo kala duwan oo loo baahan yahay qodista, hagaajinta ceelasha, ceelasha sibidhka iyo hawlgallada jajabinta, si ay dhoobadu u hesho dareere iyo xasilooni wanaagsan. Hagaajinta awoodda qaadida dhoobada inta lagu jiro qodista, kana ilaali xaddi badan oo biyo ah inay galaan lakabka saliidda ee dhoobada, xasilinta awoodda wax soo saarka lakabka saliidda. 3. Loo isticmaalo dhismaha dhismaha iyo qalabka dhismaha: Sababtoo ah awoodda haynta biyaha ee xooggan, HEC waa dhumuc wax ku ool ah iyo xiraha dareeraha sibidhka iyo hoobiye. Waxaa lagu qasi karaa hoobiye si loo hagaajiyo dheecaanka iyo waxqabadka dhismaha, iyo in la kordhiyo wakhtiga uumiga biyaha , Hagaajinta xoogga bilowga ah ee shubka iyo iska ilaali dildilaaca. Waxay si weyn u wanaajin kartaa haynta biyaha iyo xoogga isku xidhka marka loo isticmaalo malaasta, balaastigga isku xidhka, iyo malaasta dhejiska. 4. Loo isticmaalo daawada cadayga: sababtoo ah caabbinta xooggan ee milixda iyo aashitada, HEC waxay xaqiijin kartaa xasilloonida daawada cadayga. Intaa waxaa dheer, daawada cadayga ma fududa in la qalajiyo sababtoo ah xajinta xooggan ee biyaha iyo awoodda emulsifying. 5. Marka loo isticmaalo khad biyaha ku salaysan, HEC waxay khadku ka dhigi kartaa mid degdeg ah oo aan la nadiifin karin. Intaa waxaa dheer, HEC sidoo kale waxaa si weyn loogu isticmaalaa daabacaadda dharka iyo rinjiyeynta, waraaqaha, kiimikooyinka maalinlaha ah iyo wixii la mid ah. 6. Ka taxadarida isticmaalka HEC: a. Hygroscopicity: Dhammaan noocyada hydroxyethyl cellulose HEC waa hygroscopic. Macnaha biyaha guud ahaan waxa ay ka hooseeyaan 5% marka ay warshada ka baxayaan,laakin marka loo eego gaadiidka iyo goobaha kaydinta ee kala duwan,waxa ay biyuhu ka badnaan doonaan marka ay warshada ka baxayaan. Markaad isticmaalayso, kaliya cabbir waxa ku jira biyaha oo ka jar miisaanka biyaha marka la xisaabinayo. Ha u soo bandhigin jawiga. b. Budada boodhku waa qarxa: haddii dhammaan budada organic iyo hydroxyethyl cellulose budada boodhka ah ay hawada ku jiraan qayb gaar ah, waxay sidoo kale qarxi doonaan marka ay la kulmaan barta dabka. Qaliinka saxda ah waa in la sameeyaa si looga fogaado budada budada ah ee jawiga sida ugu macquulsan. 7. Tilmaamaha Baakadaha: Badeecadu waxay ka samaysan tahay warqad-caag-caag ah oo isku dhafan oo lagu daboolay boorsada gudaha ee polyetylen, oo leh miisaan saafi ah oo ah 25 kg. Ku kaydi meel hawo leh oo engegan gudaha gudaha marka aad kaydinayso, oo fiiro gaar ah u yeelo qoyaanka. U fiirso ilaalinta roobka iyo qorraxda inta lagu jiro gaadiidka. Hydroxypropyl methyl cellulose, loo yaqaan (HPMC): hydroxypropyl methyl cellulose (HPMC) waa ur aan ur lahayn, dhadhamin, budo cad oo aan sun ahayn, waxaa jira laba nooc oo degdeg ah iyo mid aan degdeg ahayn, degdeg ah, Marka la kulmo biyo qabow, si dhakhso ah ayey u dhacdaa. kala firdhiso oo ku baaba'do biyaha. Waqtigaan, dareeruhu ma laha viscosity. Qiyaastii 2 daqiiqo ka dib, viscosity ee dareeraha ayaa kordha, samaynta kolloid viscos ah oo hufan. Nooca aan degdega ahayn: Waxa kaliya oo loo isticmaali karaa alaabada budada qalalan sida budada la shubay iyo hoobiye sibidhka. Looma isticmaali karo xabagta dareeraha ah iyo rinjiga, waxaana jiri doona isku-duubni.
Waqtiga boostada: Dec-26-2022