Ni ubuhe buryo bwa Cellulose Ether porogaramu？

Itangiza selile ya ether itegura, selile ether imikorere naselulose ether, cyane cyane gusaba muri coatings.
Amagambo shingiro: selile ether, imikorere, gusaba
Cellulose ni ibintu bisanzwe bya macromolecular. Imiterere yimiti ni polysaccharide macromolecule hamwe na anhydrous β-glucose nkimpeta yibanze. Hariho itsinda rimwe ryibanze rya hydroxyl hamwe nitsinda rya kabiri rya hydroxyl kuri buri mpeta shingiro. Binyuze mu guhindura imiti, urukurikirane rwibikomoka kuri selile birashobora kuboneka, kandi ether ya selile ni imwe murimwe. Ether ya selile ikoreshwa cyane munganda nyinshi.

1.Itegurwa

Ether ya selile iboneka mugukora selile hamwe na NaOH, hanyuma igakorana na monomor zitandukanye zikora nka monochloromethane, okiside ya Ethylene, okiside ya propylene, nibindi, no gukaraba umunyu ukomoka kuri sodium na sodium.

2.Imikorere

2.1 Kugaragara: Ether ya selulose ni umweru cyangwa amata yera, impumuro nziza, idafite uburozi, ifu ya fibrous ifite amazi, byoroshye gukurura ubuhehere, kandi igashonga ikaboneka neza mu mazi.
2.2 Ionicity: MC, MHEC, MHPC, HEC ntibisanzwe; NaCMC, NaCMHEC ni anionic.
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2.4 Gukemura: (1) MC irashonga mumazi akonje, ntigashonga mumazi ashyushye, kandi ikanashonga mumashanyarazi amwe; MHEC irashobora gushonga mumazi akonje, ntigashonga mumazi ashyushye hamwe numuti wa organic. Ariko, mugihe igisubizo cyamazi ya MC na MHEC gishyushye, MC na MHEC bizagwa. MC igwa kuri 45-60 ° C, mugihe ubushyuhe bwimvura bwimvange ya etherifike MHEC yazamutse igera kuri 65-80 ° C. Iyo ubushyuhe bumaze kugabanuka, imvura igabanuka. .
2.5 Kubyimba byatinze: Cellulose ether ifite kubyimba gutinda mumazi ya pH atabogamye, ariko irashobora gutsinda uku kubyimba gutinze mumazi ya alkaline pH.
2.6 Viscosity: Ether ya selulose ishonga mumazi muburyo bwa colloid, kandi ububobere bwayo buterwa nurwego rwa polymerisation ya selile. Igisubizo kirimo macromolecules. Bitewe no kwangirika kwa macromolecules, imyitwarire yimikorere yibisubizo itandukanye niy'amazi ya Newtonian, ariko agaragaza imyitwarire ihinduka hamwe nimbaraga zogosha. Bitewe na macromolecular ya selulose ether, ubwiza bwumuti bwiyongera byihuse hamwe no kwiyongera kwinshi kandi bigabanuka vuba hamwe nubushyuhe bwiyongera.
2.7 Iterambere ryibinyabuzima: Ether ya selile ikoreshwa mugice cyamazi. Igihe cyose amazi azaba ahari, bagiteri zizakura. Gukura kwa bagiteri kuganisha ku gukora bacteri za enzyme. Enzyme isenya anhydroglucose yingingo zidafite aho zihurira na selile ya selile, bikagabanya uburemere bwa molekile ya polymer. Kubwibyo, niba igisubizo cyamazi ya selulose ether igomba kubikwa igihe kirekire, hagomba kongerwaho imiti igabanya ubukana. Ibi nukuri ndetse na anticicrobial selulose ethers.

3. Intego

3.1 Ikibanza cya peteroli: NaCMC ikoreshwa cyane mugukoresha peteroli, kandi ikoreshwa mugukora ibyondo kugirango yongere ububobere no kugabanya gutakaza amazi. Irashobora kurwanya umwanda utandukanye wumunyu kandi igateza imbere amavuta. Sodium carboxymethyl hydroxypropyl selulose na sodium carboxymethyl hydroxyethyl selulose ni ibikoresho byiza byo gucukura ibyondo nibikoresho byo gutegura amazi yuzuye, hamwe nigipimo kinini cyo guhumeka, umunyu mwiza na calcium birwanya ubukana, Ifite ubushobozi bwiza bwo kongera ubukana no kurwanya ubushyuhe (160 ° C). Irakwiriye gutegura amazi yuzuye, amazi yinyanja namazi yumunyu wuzuye. Irashobora guhindurwa mumazi yuzuye yubucucike butandukanye (1.03-1.279 / Cm3) munsi yuburemere bwa calcium chloride, kandi ifite ububobere runaka. Kandi gutakaza amazi make, ubukana bwayo bwongera ubushobozi hamwe nubushobozi bwo kugabanya amazi biruta hydroxyethyl selulose, nibyiza byongera umusaruro wamavuta.
3.2 Kubaka ububumbyi: NaCMC irashobora gukoreshwa nka retarder, agent igumana amazi, kubyimbye no guhambira, kugirango ibicuruzwa byubutaka byakozwe bifite isura nziza kandi nta nenge ninshi.
3.3 Gukora impapuro: NaCMC ikoreshwa mubunini bwimbere ninyuma hamwe no kuzuza no kugumana hejuru yimpapuro, kandi irashobora gusimbuza casein, kugirango wino yo gucapa ishobora kwinjira byoroshye kandi impande ziragaragara. Mugukora wallpaper, irashobora gukoreshwa nkikwirakwiza pigment, tackifier, stabilisateur na agent ingana.
3.4 Imyenda: NaCMC ikoreshwa mugusimbuza ingano nubunini mu nganda z’imyenda, kandi ntabwo byoroshye kwangirika no guhinduka. Iyo gucapa no gusiga irangi, nta mpamvu yo gusuzugura, kandi irangi rishobora kubona colloid imwe mumazi, ibyo bikaba byongera hydrophilique no kwinjira kwirangi. Igihe kimwe, kubera ihinduka rito ryijimye, biroroshye guhindura ibara ritandukanye. CMHEC ikoreshwa nkibyimbye byo gucapa no gusiga amarangi, hamwe nibisigara bito hamwe numusaruro mwinshi wamabara, kandi ubwiza bwo gucapa no gusiga irangi burenze kure ibicuruzwa byayo bya ionic na non-ionic selile.
3.5 Itabi: NaCMC ikoreshwa muguhuza itabi. Irashonga vuba kandi ifite imbaraga zikomeye zo guhuza, zifite akamaro ko kuzamura ireme ryitabi no kugabanya ibiciro.
3.6 Amavuta yo kwisiga: NaCMC igira uruhare rwo gutatanya, guhagarika no guhagarika ibicuruzwa bya paste byibikoresho bibisi bya silty, kandi bigira uruhare mukubyimba, gutatanya no guhuriza hamwe mubintu byo kwisiga byamazi cyangwa emulioni. Irashobora kandi gukoreshwa nka emulifisiyeri, ikabyimbye hamwe na stabilisateur kumavuta na shampoo.
3.7 Batteri: NaCMC ifite isuku nyinshi, aside nziza n'umunyu mwinshi, cyane cyane ibyuma bike hamwe nibyuma biremereye, kandi colloid irahagaze neza, ibereye bateri ya alkaline na bateri ya zinc-manganese.
3.8 Irangi rishingiye ku mazi: HEC na MHEC birashobora gukoreshwa nka stabilisateur, kubyimba no kubika amazi kubirangi bya latex. Mubyongeyeho, zirashobora kandi gukoreshwa nkibitatanya, tackifiers hamwe nogukora firime kumabara ya sima y'amabara.
3.9 Ibikoresho byubwubatsi: birashobora gukoreshwa nkibisakara, kubika amazi no kubyibuha kugirango bipompa na minisiteri ya gypsumu yo hepfo na sima yo hasi, hamwe nibikoresho byo guhomesha hasi.
3.10 Glaze: Irashobora gukoreshwa nkibikoresho bya glaze.
3.11 Imiti: Irashobora gukoreshwa nka anti-adhesion yo kubyimba umwanda.
3.12 Ikwirakwizwa rya Emulsion: irashobora gukoreshwa nka stabilisateur no kubyimba.
3.13 Amenyo yinyo: NaCMHPC irashobora gukoreshwa nka stabilisateur yumuti wamenyo. Ifite imiterere myiza ya thixotropique, ituma amenyo yinyo ameze neza, igihe kirekire nta guhindura, kandi afite uburyohe bumwe kandi bworoshye. NaCMHPC ifite imbaraga zo kurwanya umunyu no kurwanya aside, kandi ingaruka zayo ziruta kure izo CMC.

4. Koresha muri kote na paste

Cellulose ether igira uruhare runini mugutwikisha no gushira. Gusa ongeramo igiteranyo cya formula O. 2% kugeza 0.5% irashobora kubyimba, kugumana amazi, kubuza pigment hamwe nuwuzuza gutura, kandi byongerera imbaraga hamwe no guhuza imbaraga.
4. Kugirango byoroshye gukoresha igifuniko, ubwoko nubunini bwa selile ether bigomba gutoranywa neza. Kubitwikiriye, mugihe ukoresheje selulose ether, ibicuruzwa byo hagati byijimye birashobora guhitamo.
4.2 Kubika amazi: Ether ya selile irashobora kubuza ubuhehere kwinjira vuba muri substrate, kugirango ibashe gukora igifuniko kimwe mugihe cyose cyubwubatsi kitakamye vuba. Iyo ibikubiye muri emulion ari byinshi, ibisabwa byo gufata amazi birashobora kuzuzwa ukoresheje ether selile nkeya. Kugumana amazi yo gusiga amarangi no gutemba biterwa nubushuhe bwa selile ya selile hamwe nubushyuhe bwa substrate yubatswe.
4.3 Ibimera bihamye hamwe nuwuzuza: Pigment nuwuzuza bikunda kugwa. Kugirango irangi risigare kandi rihamye, abuzuza pigment bagomba kuba bahagaritswe. Gukoresha selulose ether irashobora gutuma irangi rigira ububobere runaka, kandi nta mvura izabaho mugihe cyo kubika.
4. MHEC na NaCMC bifite ibyuma byumye byumye kandi bifatanye, bityo rero birakwiriye cyane cyane kumpapuro, mugihe HEC idakwiriye kubwiyi ntego.
4.5 Imikorere irinda colloid: Bitewe na hydrophilique ya selile ya ether, irashobora gukoreshwa nka colloid ikingira ibifuniko.
4.6 Thickener: Ether ya selile ikoreshwa cyane mumarangi ya latex nkibyimbye kugirango ihindure ubwiza bwubwubatsi. Hagati ya hydroxyethyl selile hamwe na methyl hydroxyethyl selulose ikoreshwa cyane mumabara ya emulsion. Rimwe na rimwe, ether ya selulose irashobora kandi gukoreshwa hamwe nubushakashatsi bwimbitse (nka polyacrylate, polyurethane, nibindi) kugirango tunonosore ibintu bimwe na bimwe byerekana irangi rya latex kandi utange irangi rya latex rihamye.
Ether ya selile yose ifite amazi meza yo kubika no kubyimba, ariko ibintu bimwe biratandukanye. Anionic selulose ether, byoroshye gukora umunyu-amazi adashonga hamwe na cations zingana kandi zingana. Kubwibyo, ugereranije na methyl hydroxyethyl selulose na fibre hydroxyethyl, sodium carboxymethyl selulose ifite imbaraga zo kurwanya scrub. Sodium carboxymethyl selulose irashobora gukoreshwa gusa mugushushanya amarangi ya latex.
Methyl hydroxyethyl selulose na methyl hydroxypropyl selulose ifite ubukonje buke bwogosha hamwe nibintu bya surfactant birenze hydroxyethyl selulose, bityo bikagabanya imyumvire yamabara ya latx gutemba. Kandi carboxymethyl selulose nta ngaruka ziboneka.
Hydroxyethyl selulose ifite ibiranga amazi meza, kwihanganira gusya no kubaka byoroshye mumarangi ya latex. Ugereranije na methyl hydroxyethyl na methyl hydroxypropyl selulose, bifite aho bihurira neza na pigment, bityo birasabwa gusiga irangi rya silike latx, irangi ryamabara ya latx, paste yamabara, nibindi.