I-Hydroxypropyl methylcellulose (HPMC) yi-ether ye-cellulose engeyiyo ionic eyenziwe kwi-cellulose yezinto ze-polymer yendalo ngokusebenzisa uchungechunge lweenkqubo zemichiza.I-Hydroxypropylmethylcellulose (HPMC) ngumgubo omhlophe ongenavumba, ongenancasa, ongenatyhefu onokunyibilika emanzini abandayo ukwenza isisombululo se-viscous esicacileyo.Ineempawu zokuqina, ukubopha, ukusabalalisa, i-emulsifying, ifilimu-ifom, ukumisa, i-adsorbing, i-gelling, i-surface esebenzayo, ukugcina umswakama kunye nokukhusela i-colloid.
I-HPMC isetyenziswa ngokubanzi kwizinto zokwakha, iingubo, ii-resin zokwenziwa, iiseramikhi, amayeza, ukutya, amalaphu, ezolimo, izithambiso, icuba kunye namanye amashishini.I-HPMC inokohlulwa ibe yibakala lokwakha, ibakala lokutya kunye nebakala lamayeza ngokwenjongo.Okwangoku, uninzi lweemveliso zasekhaya zikumgangatho wokwakha.Kwibakala lokwakha, i-putty powder isetyenziswe kwisixa esikhulu, malunga ne-90% isetyenziselwa i-putty powder, kwaye intsalela isetyenziselwa udaka lwesamente kunye neglue.
I-Cellulose ether yi-non-ionic semi-synthetic high molecular polymer, e-soluble emanzini kunye ne-solvent-soluble.
Iziphumo ezibangelwa ngamashishini ahlukeneyo ahlukeneyo.Umzekelo, kwizinto zokwakha imichiza, ineempembelelo ezidibeneyo:
① umenzeli ogcina amanzi, ②Thickener, ③ipropathi yokulinganisa, ④ipropathi yokwenza ifilim, ⑤Binder
Kwishishini le-polyvinyl chloride, i-emulsifier kunye ne-dispersant;kwishishini lamachiza, liyi-binder kunye nesikhokelo sokukhululwa esicothayo nesilawulwayo, njl. Ngenxa yokuba i-cellulose ineempembelelo ezahlukeneyo ezidibeneyo, ukusetyenziswa kwayo Intsimi nayo ininzi kakhulu.Emva koko, ndiya kugxininisa ekusebenziseni kunye nomsebenzi we-cellulose ether kwizinto ezahlukeneyo zokwakha.
Isicelo in udongaiputty
Kwi-putty powder, i-HPMC idlala iindima ezintathu zokuqina, ukugcinwa kwamanzi kunye nokwakhiwa.
Ukutyebisa: Iselulosi inokujiya ukuze inqunyanyiswe kwaye igcine iyunifomu yesisombululo inyuka naphantsi, kwaye imelane nokudodobala.
Ukwakhiwa: I-Cellulose inefuthe lokuthambisa, elinokwenza ukuba i-putty powder ibe nokwakhiwa kakuhle.
Ukusetyenziswa kodaka lwekhonkrithi
Udaka olulungiselelwe ngaphandle kokufaka i-thickener egcina amanzi inamandla acinezelayo aphezulu, kodwa ipropathi engafanelekanga yokugcina amanzi, ukunamathelana, ukuthamba, ukopha okukhulu, ukuvaleka kotyando olungalunganga, kwaye ngokusisiseko ayinakusetyenziswa.Ke ngoko, izinto ezityebisayo ezigcina amanzi ziyinxalenye ebalulekileyo yodaka oluxutyiweyo.Kwikhonkrithi yodaka, i-hydroxypropyl methyl cellulose okanye i-methyl cellulose ikhethwa ngokubanzi, kwaye isantya sokugcinwa kwamanzi sinokunyuswa ukuya ngaphezulu kwe-85%.Indlela yokusetyenziswa kwikhonkrithi yodaka kukongeza amanzi emva kokuba umgubo owomileyo uxutywe ngokulinganayo.Ugcino lwamanzi oluphezulu lunokufaka amanzi ngokupheleleyo kwisamente.Ukwandisa ngokuphawulekayo amandla ebhondi.Kwangaxeshanye, amandla okuqina kunye nokucheba anokuphuculwa ngokufanelekileyo.Ukuphucula kakhulu umphumo wokwakha kunye nokuphucula ukusebenza kakuhle.
Ukusetyenziswa kwi-adhesive tile
1. I-Hydroxypropyl methylcellulose i-adhesive yethayile isetyenziselwa ngokukodwa ukugcina isidingo sokucwiliswa kwangaphambili kweethayile emanzini.
2. Intlama esemgangathweni kwaye yomelele
3. Ubunzima be-paste yi-2-5mm, izinto zokulondoloza kunye nendawo, kunye nokwandisa indawo yokuhlobisa
4. Iimfuno zobugcisa zokuthunyelwa kwabasebenzi azikho phezulu
5. Akukho mfuneko yokuyilungisa ngeekliphu zeplastiki ezinqamlezayo kuzo zonke, i-paste ayiyi kuwela phantsi, kwaye ukunamathela kuqinile.
6. Akuyi kubakho i-slurry engaphezulu kwiindawo ezidibeneyo zezitena, ezinokuthi ziphephe ukungcoliswa kwendawo yezitena.
7. Iziqwenga ezininzi zeethayile ze-ceramic zinokuncamathelwa kunye, ngokungafaniyo nenxalenye enye yodaka lwesamente yokwakha.
8. Isantya sokwakha sikhawuleza, malunga namaxesha angama-5 ngokukhawuleza kunokuthumela udaka lwesamente, ukugcina ixesha kunye nokuphucula ukusebenza kakuhle.
Ukusetyenziswa kwi-arhente ye-caulking
Ukongezwa kwe-ether ye-cellulose kwenza kube nokubambelela kakuhle komphetho, i-shrinkage ephantsi kunye nokuchasana kwe-abrasion ephezulu, ekhusela izinto ezisisiseko kumonakalo womatshini kwaye igweme impembelelo embi yokungena kwamanzi kwisakhiwo sonke.
Ukusetyenziswa kwizixhobo zokuzilinganisa
Thintela ukopha:
Idlala indima enhle ekumisweni, ukuthintela ukufakwa kwe-slurry kunye nokopha;
Gcina ukushukuma kunye:
I-viscosity ephantsi yemveliso ayichaphazeli ukuhamba kwe-slurry kwaye kulula ukusebenza nayo.Inokugcinwa kwamanzi athile kwaye inokuvelisa umphumo omhle womphezulu emva kokuzilinganisa ukuphepha ukuqhekeka.
Ukusetyenziswa kodaka lwangaphandle lokugquma eludongeni
Kulo mbandela, i-cellulose ether idlala indima enkulu yokudibanisa kunye nokwandisa amandla, okwenza udaka lube lula ukugubungela kunye nokuphucula ukusebenza kakuhle.Kwangaxeshanye, inamandla okumelana nokuxhoma.Ukumelana nokuqhekeka, ukuphucula umgangatho womphezulu, ukwandisa amandla ebhondi.
Ukongezwa kwe-hydroxypropyl methylcellulose nako kuye kwaba nefuthe elibonakalayo lokucotha kumxube wodaka.Ngokunyuka kwexabiso le-HPMC, ixesha lokumisela lodaka liyandiswa, kwaye inani le-HPMC nalo linyuswe ngokufanelekileyo.Ixesha lokumisela lodaka olwenziwe phantsi kwamanzi lide kunelo lenziwe emoyeni.Olu phawu lukhulu lokumpompa ikhonkrithi phantsi kwamanzi.Udaka olutsha lwesamente oluxutywe ne-hydroxypropyl methylcellulose luneempawu ezintle ezidityanisiweyo kwaye phantse akukho manzi aphumayo.
Isicelo kwi-gypsum mortar
1. Ukuphucula izinga lokusasazeka kwesiseko se-gypsum: Xa kuthelekiswa ne-hydroxypropyl methylcellulose ether efanayo, izinga lokusabalalisa linyuka kakhulu.
2. Iinkalo zesicelo kunye ne-dosage: i-gypsum ephantsi ekhanyayo, i-dosage ecetyiswayo yi-2.5-3.5 kg / toni.
3. Ukusebenza okugqwesileyo kokuchasana nokudodobala: akukho sag xa ulwakhiwo lwepasi enye lusetyenziswa kumaleko ashinyeneyo, akukho sag xa isetyenziselwa ukupasa okungaphezulu kwesibini (ngaphezu kwe-3cm), iplastiki egqwesileyo.
4. Ukwakhiwa okugqwesileyo: kulula kwaye kulula xa uxhoma, unokubunjwa ngexesha elinye, kwaye uneplastiki.
5. Izinga eligqwesileyo lokugcinwa kwamanzi: ukwandisa ixesha lokusebenza kwesiseko se-gypsum, ukuphucula ukuchasana kwemozulu kwisiseko se-gypsum, ukwandisa amandla okubambisana phakathi kwesiseko se-gypsum kunye nesiseko sesiseko, ukusebenza kakuhle kokubambisana okumanzi, kunye nokunciphisa umlotha wokufika.
6. Ukuhambelana okuqinileyo: Kuyafaneleka kuzo zonke iintlobo zesiseko se-gypsum, ukunciphisa ixesha lokucwila kwe-gypsum, ukunciphisa isantya sokumisa ukuncipha, kwaye umphezulu wodonga akulula ukugoba kunye nokuqhekeka.
Ukusetyenziswa kwe-arhente yojongano
IHydroxypropylmethylcellulose (HPMC) kunye ne-hydroxyethylmethylcellulose (HEMC) zisetyenziswa ngokubanzi izixhobo zokwakha,
Xa isetyenziswa njenge-arhente yojongano lweendonga zangaphakathi nangaphandle, inezi mpawu zilandelayo:
-Kulula ukuxuba ngaphandle kwamaqhuma:
Ngokuxubana namanzi, ukungqubuzana ngexesha lokumisa kuncitshiswe kakhulu, okwenza ukuxuba kube lula kunye nokugcina ixesha lokuxuba;
- Ukugcinwa kakuhle kwamanzi:
Ngokuphawulekayo kunciphisa umswakama othathwe ludonga.Ukugcinwa kakuhle kwamanzi kunokuqinisekisa ixesha elide lokulungiselela i-samente, kwaye ngakolunye uhlangothi, kunokuqinisekisa ukuba abasebenzi banokukrazula i-putty eludongeni ngamaxesha amaninzi;
-Uzinzo oluhle lokusebenza:
Ukugcinwa kakuhle kwamanzi kwindawo yobushushu obuphezulu, obulungele ukusebenza ehlotyeni okanye kwiindawo ezishushu.
- Iimfuno ezandisiweyo zamanzi:
Ukwandisa kakhulu imfuno yamanzi ye-putty materials.Iyakwandisa ixesha lenkonzo ye-putty eludongeni, ngakolunye uhlangothi, inokunyusa indawo yokugqoka i-putty kwaye yenza ifomyula ibe yezoqoqosho.
Isicelo kwi-gypsum
Okwangoku, ezona mveliso zixhaphakileyo zegypsum kukutyabeka igypsum, igypsum edityanisiweyo, igypsum eyakhiweyo, kunye neadhesive tile.
I-gypsum plaster yimathiriyeli yokutyabeka ekumgangatho ophezulu kwiindonga zangaphakathi kunye neesilingi.Umphezulu wodonga olufakwe kunye nalo luhle kwaye lucolile, alulahlekelwa ngumgubo, lubophelele ngokuqinileyo kwisiseko, alukho ukuqhekeka kunye nokuwa, kwaye lunomsebenzi womlilo;
I-adhesive gypsum luhlobo olutsha lwe-adhesive yokwakha iibhodi ezikhanyayo.Yenziwe nge-gypsum njengesiseko sezinto kunye nezongezo ezahlukeneyo.
Ilungele ukudityaniswa phakathi kwezixhobo ezahlukeneyo zodonga lwezakhiwo ezingaphiliyo.Ineempawu zokungabi natyhefu, ukungabinancasa, ukomelela kwangethuba kunye nokuseta ngokukhawuleza, kunye nokudibanisa okuqinileyo.Yizinto ezixhasayo kwiibhodi zokwakha kunye nokwakhiwa kweebhloko;
I-Gypsum caulk yi-gap filler phakathi kweebhodi ze-gypsum kunye ne-filler yokulungisa iindonga kunye nokuqhekeka.
Ezi mveliso zegypsum zinemisebenzi eyahlukeneyo.Ukongeza kwindima ye-gypsum kunye neefayili ezihambelanayo, umba ophambili kukuba izongezo ze-cellulose ether ezongeziweyo zidlala indima ephambili.Ngenxa yokuba i-gypsum ihlulwe ibe yi-gypsum ye-anhydrous kunye ne-hemihydrate gypsum, i-gypsum eyahlukileyo ineempembelelo ezahlukeneyo ekusebenzeni kwemveliso, ngoko ke ukuqina, ukugcinwa kwamanzi kunye nokunciphisa umgangatho wezinto zokwakha ze-gypsum.Ingxaki eqhelekileyo yezi zixhobo i-hollowing kunye nokuqhekeka, kwaye amandla okuqala awanakufikelelwa.Ukusombulula le ngxaki, kukukhetha uhlobo lwe-cellulose kunye nendlela yokusetyenziswa kwekhompawundi ye-retarder.Kulo mba, i-methyl okanye i-hydroxypropyl methyl 30000 ikhethwa ngokubanzi.-60000cps, imali eyongeziweyo iphakathi kwe-1.5 ‰–2 ‰, i-cellulose isetyenziselwa kakhulu ukugcina amanzi kunye nokunciphisa ukuthambisa.
Nangona kunjalo, akunakwenzeka ukuthembela kwi-cellulose ether njenge-retarder, kwaye kuyimfuneko yokongeza i-citric acid retarder ukuxuba nokusebenzisa ngaphandle kokuchaphazela amandla okuqala.
Ugcino lwamanzi lubhekisa kubungakanani bamanzi aya kulahleka ngokwendalo ngaphandle kokufunxwa kwamanzi ngaphandle.Ukuba udonga lome kakhulu, ukufunxwa kwamanzi kunye nokunyuka kwemvelo kwisiseko somhlaba kuya kwenza ukuba izinto zilahlekelwe ngamanzi ngokukhawuleza, kunye nokuqhekeka kunye nokuqhekeka kuya kwenzeka.
Le ndlela yokusetyenziswa ixutywe nomgubo owomileyo.Ukuba ulungiselela isisombululo, nceda ubhekisele kwindlela yokulungiselela isisombululo.
Ukusetyenziswa kwipeyinti yelatex
Kwishishini lepeyinti ye-latex, i-hydroxyethyl cellulose kufuneka ikhethwe.Inkcazo ngokubanzi ye-viscosity ephakathi yi-30000-50000cps, ehambelana neenkcukacha ze-HBR250.Idosi yereferensi imalunga ne-1.5 ‰-2 ‰.Umsebenzi ophambili we-hydroxyethyl kwipeyinti ye-latex kukujiya, ukuthintela i-gelation ye-pigment, ukunceda ukusasazwa kwe-pigment, ukuzinza kwe-latex, kunye nokwandisa i-viscosity yamacandelo, eluncedo ekusebenzeni komgangatho wokwakha. .
Ixesha lokuposa: Dec-13-2022