I-MHEC esetyenziselwa ukwakha

1 intshayelelo

Iselulosi ether MHEC kwiukwakhiwaIshishini lemathiriyeli yokwakha linoluhlu olubanzi ngokugqithisileyo losetyenziso, isixa esikhulu, esinokusetyenziswa njenge-retarder, i-arhente yokugcina amanzi, i-thickener kunye ne-adhesive.Iselulosi ether MHEC idlala indima ebalulekileyo kudaka oluqhelekileyo olomileyo oluxubeneyo, udaka lwangaphandle lokugquma eludongeni, udaka oluzilinganisayo, i-ceramic tile binder, i-putty yokwakha esebenza kakhulu, i-anti-crack yangaphakathi nangaphandle eludongeni iputty, udaka oluxubeneyo olungangeni manzi, udaka lweplasta, i-caulking agent kunye ezinye izixhobo.Iselulosi ether MHEC kunempembelelo ebalulekileyo kugcino lwamanzi, imfuno yamanzi, ukunamathela, ukuncipha kunye nokwakhiwa kwenkqubo yodaka.

Kukho iintlobo ezininzi ezahlukeneyo kunye neenkcukachaIselulosi ether MHEC, Iselulosi etheresetyenziswa rhoqo kwintsimi yezinto zokwakha ezibandakanya i-HEC,I-MHEC, CMC, PAC,MHPC njalo njalo, ngokweempawu zabo zendima ezahlukeneyo ezisetyenziswa kwiinkqubo ezahlukeneyo zodaka. Abanye abantu baye bafunda impembelelo yeentlobo ezahlukeneyo kunye nedosi eyahlukileyoIselulosi ether MHEC kwinkqubo yodaka lwesamente. Kweli phepha, indlela yokukhetha iintlobo ezahlukeneyo kunye neenkcukacha zeIselulosi ether MHEC kwiimveliso ezahlukeneyo zodaka kuxoxwa ngazo.

2 Iselulosi ether MHEC kwiimpawu zokusebenza kodaka lwesamente

Njengomxube obalulekileyo kudaka olomileyo,Iselulosi ether MHEC inemisebenzi emininzi eludaka.Iselulosi ether MHEC kudaka lwesamente yeyona ndima ibalulekileyo yokugcina amanzi kunye nokuqina, ukongeza, ngenxa yokusebenzisana kwayo nenkqubo yesamente, iya kuphinda idlale indima encedisayo yokungeniswa komoya, ukulibaziseka, ukuphucula amandla okuqina.

Eyona propati ibalulekileyo yeIselulosi ether MHEC eludaka kukugcinwa kwamanzi.Iselulosi ether MHEC njengomxube obalulekileyo phantse kuzo zonke iimveliso zodaka, usetyenziso oluphambili lokugcinwa kwamanzi. Ngokuqhelekileyo, ukugcinwa kwamanzi kweIselulosi ether MHEC inxulumene ne-viscosity yayo, idosi kunye nobukhulu bamasuntswana.

Iselulosi ether MHEC njenge-thickener, isiphumo sayo sokuqina sinxulumene nenqanaba le-etherification yeIselulosi ether MHEC, ubungakanani besuntswana, i-viscosity kunye neqondo lokuguqulwa. Ngokubanzi, iqondo eliphezulu le-etherification kunye ne-viscosity yeIselulosi ether MHEC, amasuntswana amancinci, kokukhona kubonakala ngakumbi umphumo wokuqina. Ngokulungelelanisa iimpawu ezingentla zeI-MHEC, umdaka unokufezekisa ukusebenza okufanelekileyo kokuchasana nokuhamba ngokuthe nkqo kunye ne-viscosity engcono kakhulu.

In Iselulosi ether MHEC, ukuqaliswa kweqela le-alkyl kunciphisa amandla angaphezulu kwesisombululo esinamanziIselulosi ether MHEC, lo ntoIselulosi ether MHEC inesiphumo sokutsala udaka lwesamente. Ngenxa yempembelelo yebhola yeebhubhu, ukusebenza kokwakhiwa kodaka kuphuculwe, kwaye izinga lokuphuma komdaka linyuswa ngokungeniswa kweebhubhu. Kakade ke, kufuneka kulawulwe ukungena komoya. Ukungena komoya okugqithisileyo kuya kuba nefuthe elibi kumandla omdaka, kuba amaqamu anobungozi anokuthi angeniswe.

2.1Iselulosi ether MHEC iya kulibazisa inkqubo ye-hydration ye-samente, ngaloo ndlela inciphisa ukuseta kunye nenkqubo yokuqina kwesamente, kwaye ngokuhambelanayo yandise ixesha lokuvula lodaka, kodwa esi siphumo sichasa udaka kwiindawo ezibandayo. Kukhetho lweIselulosi ether MHEC, kufuneka isekelwe kwimeko ethile yokukhethwa kweemveliso ezifanelekileyo. Isiphumo sokucuthwa kweIselulosi ether MHEC yandiswa ikakhulu nokuphuculwa kwesidanga sayo se-etherification, isidanga sokuguqulwa kunye ne-viscosity.

Ukwengeza,Iselulosi ether MHEC njenge-polymer chain chain substance, emva kokujoyina inkqubo ye-samente, phantsi kwesiseko sokugcina ngokupheleleyo umswakama we-slurry, inokuphucula ukusebenza kwebhondi kunye ne-substrate.

2.2 Iipropati zeIselulosi ether MHEC kudaka ikakhulu kubandakanya: ukugcinwa kwamanzi, ukutyeba, ukolula ixesha lokumisela, ukungenwa kwerhasi kunye nokuphucula amandla okudibanisa okuqinileyo, njl njl. Iimpawu ezikhankanywe ngasentla zibonakaliswa kwiimpawu zeI-MHEC ngokwayo, oko kukuthi, i-viscosity, uzinzo, umxholo wecandelo elisebenzayo (imali eyongeziweyo), i-etherification substitution degree kunye nokufana kwayo, isidanga sokuguqulwa kunye nomxholo onobungozi, njl.I-MHEC, Iselulosi ether MHEC eneempawu zayo inokubonelela ngokusebenza okufanelekileyo kufuneka kukhethwe ngokweemfuno ezithile zeemveliso ezithile zodaka ukwenzela ukusebenza okuthile.

3. Iimpawu zeIselulosi ether MHEC

Ngokuqhelekileyo, imiyalelo yemveliso ebonelelwa nguIselulosi ether MHEC abavelisi baya kuqulatha ezi zalathisi zilandelayo: inkangeleko, viscosity, iqela substitution degree, fineness, isiqulatho esisebenzayo (ubunyulu), umxholo ukufuma, insimu ecetyiswayo kunye nedosi. Ezi zalathisi zentsebenzo zinokubonisa inxalenye yendima yeIselulosi ether MHEC, kodwa kuthelekiso kunye nokhetho lweIselulosi ether MHEC, kufuneka kwakhona ihlolisise ukubunjwa kwayo kweekhemikhali, iqondo lokuguqulwa, iqondo le-etherification, umxholo we-NaCl, ixabiso le-DS kunye neminye imiba.

ThathaKimacell I-MHECIMH60M iinkcukacha zemveliso umzekelo. Okokuqala, i-MH ibonisa ukuba ukubunjwa yi-methyl hydroxyethylIselulosi ether MHEC, i-viscosity (i-Hoppler indlela yokuzimisela) yi-60000 Mpa. s, . Ukongeza, ukongeza kwinkcazo yembonakalo yemveliso, i-viscosity, ubungakanani bamasuntswana, kukho ezi zikhombisi zilandelayo: ukwakheka kweekhemikhali zemethyl hydroxyethyl.Iselulosi ether MHEC, emva kokuguqulwa kweqondo eliphantsi; Iqondo eliphakathi le-etherification; Umongo wokufuma we-6% okanye ngaphantsi; Umxholo weNaCl we-1.5% okanye ngaphantsi; Umxholo osebenzayo wezinto> 92.5%, i-loose density 300 g/L njalo njalo.

3.1Iselulosi ether MHEC i-viscosity

I-viscosity yeIselulosi ether MHEC kuchaphazela ukugcinwa kwamanzi, ukutyeba, ukulibaziseka kunye neminye imiba, ke ngoko, luphawu olubalulekileyo lovavanyo kunye nokukhethaIselulosi ether MHEC.

Ngaphambi kokuxoxa nge-viscosity yeIselulosi ether MHEC, kufuneka kuqatshelwe ukuba kukho iindlela ezine eziqhelekileyo zokuvavanya i-viscosity yeIselulosi ether MHEC: Brookfield, Hakke, Hoppler kunye nendlela viscometer ejikelezayo. Izixhobo, ugxininiso lwesisombululo kunye nemeko yokuvavanya esetyenziswa ngeendlela ezine zihluke, ngoko ke iziphumo ezifanayoI-MHEC isisombululo esivavanywa ngeendlela ezine nazo zahluka. Nangona isisombululo esifanayo, usebenzisa indlela efanayo, phantsi kweemeko ezahlukeneyo zokusingqongileyo, i-viscosity

Iziphumo nazo zahluka. Ngoko ke, xa uchaza i-viscosity ye-aIselulosi ether MHEC, kuyimfuneko ukubonisa ukuba luhlobo luni lwendlela yokuvavanya, ukugxininiswa kwesisombululo, i-rotor, isantya, ubushushu kunye novavanyo lomswakama kunye nezinye iimeko zokusingqongileyo ngexesha elifanayo, ixabiso le-viscosity lixabisekileyo. Yithi nje, “Yintoni i-viscosity yento ethileI-MHEC?”

Ayinangqiqo.

ThathaKimacell I-MHEC imveliso MH100M njengomzekelo. Kucaciswe kwincwadana yemveliso ukuba "ixabiso le-viscosity elinqunywe yindlela yeHoppler yi-100000 Mpa.s". Ngokuhambelanayo, ingcaciso ikwabonelela ukuba "Brookfiendala RV, 20 RPM, 1.0 %,20℃,20°GH, ixabiso elivavanyiweyo le-viscosity yi-4100 ~ 5500 Mpa. s”.

3.2 Uzinzo lwemveliso yeIselulosi ether MHEC

Iselulosi ether MHEC yaziwa ngokuchaphazeleka kukhukuliseko yi cellulose mildew. Umngundo kukhukuliseko lweIselulosi ether MHEC, uhlaselo lokuqala alufakwanga etherizedIselulosi ether MHEC iyunithi ye-glucose, njengekhompawundi yekhonkco echanekileyo, emva kokuba iyunithi ye-glucose itshatyalaliswe, i-chain chain ye-molecular inqanyuliwe, i-viscosity yemveliso iya kuhla ngokukhawuleza. Emva kokuba iyunithi ye-glucose i-etherified, ukungunda akukho lula ukukrazula i-molecular chain, ngoko ke, i-etherification substitution degree (ixabiso le-DS) iphezulu.Iselulosi ether MHEC, iphezulu ukuzinza kwayo kuya kuba.

UkuthathaKimacell I-MHEC imveliso MH100M njengomzekelo, inkcazo yemveliso ibonisa ngokucacileyo ukuba ixabiso le-DS yi-1.70 (ye-soluble yamanziI-MHEC, ixabiso le-DS lingaphantsi kwe-2), ebonisa ukuba imveliso inozinzo oluphezulu lwemveliso.

3.3 Isiqulatho secandelo elisebenzayo leIselulosi ether MHEC

Okuphezulu umxholo wamacandelo asebenzayo kwiIselulosi ether MHEC, iphezulu indleko yokusebenza kwemveliso, ukuze kuphunyezwe iziphumo ezingcono phantsi kwedosi efanayo. Icandelo elisebenzayo leIselulosi ether MHEC is Iselulosi ether MHEC imolekyuli, into ephilayo, ngoko xa uphonononga umxholo wento esebenzayoIselulosi ether MHEC, ingabonakaliswa ngokungathanga ngqo ngexabiso lomlotha emva kokubala. Ngokuqhelekileyo, ixabiso eliphezulu lomlotha lidibene nento ephantsi esebenzayo. Kwinkcazo yemveliso yeKimacell I-MHEC, isithako esisebenzayo seemveliso eziqhelekileyo zingaphezulu kwe-92%.

3.4 umxholo weNaCl kuIselulosi ether MHEC

I-NaCl yimveliso engenakuthintelwa kwimveliso yeIselulosi ether MHEC, ngokuqhelekileyo kufuneka isuswe ngokuhlamba ezininzi. Amaxesha amaninzi okuvasa, kokukhona intsalela yeNaCl incinci. I-NaCl yaziwa ngokuba yingozi kwi-corrosion yentsimbi yentsimbi kunye ne-wire mesh, njl. Ngoko ke, nangona ukuhlamba ngokuphindaphindiweyo kwe-NaCl kunokunyusa iindleko zokunyanga kwamanzi amdaka,I-MHEC iimveliso ezinomxholo ophantsi we-NaCl kufuneka zikhethwe kangangoko kunokwenzeka. Umxholo weNaCl weKimacell I-MHEC iimveliso zilawulwa ngokubanzi ngaphantsi kwe-1.5%, eyimveliso enomxholo ophantsi we-NaCl.

4. Umgaqo wokukhethaIselulosi ether MHEC kwiimveliso ezahlukeneyo zodaka

Ngexesha lokusetyenziswa kweemveliso zodakaIselulosi ether MHEC, okokuqala kufuneka kusekwe kwinkcazo yencwadana yemveliso, bakhethe izalathisi zabo zokusebenza, ezifana ne-viscosity, i-etherification substitution degree, umxholo we-substance osebenzayo, umxholo we-NaCl njl njl) ukuthelekisa ngokufanelekileyo.Iselulosi ether MHEC ngokweemveliso zodaka lwekhonkrithi kunye neemfuno zokusebenza, usetyenziso oluhlanganisiweyo lwentsebenzo ekhethiweyo ihlangabezana neemfuno zodidi oluphezulu lomgangatho weI-MHEC.

Ngokweemfuno ezihambelanayo zeemveliso ezahlukeneyo zodaka, oku kulandelayo kwazisa imigaqo ehambelanayo yokukhetha efanelekileyoI-MHEC.

4.1 Inkqubo yokutyabeka ebhityileyo

Thatha inkqubo yokutyabeka ebhityileyo yodaka njengomzekelo, ngenxa yokuba udaka lokutyabeka ludibanisa ngokuthe ngqo nokusingqongileyo kwangaphandle, ilahleko yamanzi angaphezulu ikhawuleza, ngoko ifuna izinga eliphezulu lokugcinwa kwamanzi. Ngokukodwa ekwakhiweni kwehlobo, i-mortar iyadingeka ukuze ikwazi ukugcina umswakama kwiqondo lokushisa eliphezulu.I-MHEC kunye nesantya esiphezulu sokugcinwa kwamanzi kufuneka kukhethwe, okunokuthi kuqwalaselwe ngokubanzi kwimiba emithathu: i-viscosity, ubungakanani beqhekeza kunye nemali yokongeza. Ukuthetha jikelele,I-MHEC kunye ne-viscosity ephezulu kufuneka ikhethwe phantsi kweemeko ezifanayo, kwaye i-viscosity ayifanele ibe phezulu kakhulu ngokuqwalasela iimfuno zokwakha. Ngoko ke, iI-MHEC kufuneka ikhethwe ngezinga eliphezulu lokugcinwa kwamanzi kunye ne-viscosity ephantsi.Kimacell I-MHEC iimveliso,MH60M kunye nabanye banokucetyiswa kwiinkqubo zokudibanisa udaka oluncinci.

4.2 Udaka lokutyabeka olusekelwe kwisamente

Udaka lokutyabeka lufuna ukufana okuhle kodaka, ukutyabeka kulula ukuqatywa ngokulinganayo, kwaye kufuna ukuxhathisa okuhamba kakuhle okuthe nkqo, amandla okumpompa kunye nokuguquguquka kunye nokusebenza kuphezulu kakhulu. Ngoko ke,I-MHEC kunye ne-viscosity ephantsi kunye nokusabalalisa ngokukhawuleza kunye nophuhliso oluhambelanayo (amancinci amancinci) kumdaka we-samente ukhethiwe, njengeKimacellIMH60M kunye ne-MH100M ziyacetyiswa.

4.3 Ithayileukuncamathelisa

Ekwakhiweni kwethayile ye-ceramicukuncamathelisa, ukuze kuqinisekiswe ukhuseleko kunye nokusebenza kakuhle, kufunwa ngokukodwa ukuba ixesha lokuvula lomdaka lide, ukusebenza kwe-anti-slide kungcono, kwaye kukho ukudibanisa okuhle phakathi kwezinto ezisisiseko kunye ne-tile ye-ceramic. Ngokufanelekileyo, i-ceramic tile glue iphezulu ukuyaI-MHEC imfuneko. KwayeI-MHEC kwitayile ye-ceramic glue inedosi ephezulu. Kukhetho lweI-MHEC, ukuhlangabezana neemfuno zexesha elide lokuvula,I-MHEC ngokwayo kufuneka ibe nesantya esiphezulu sokugcinwa kwamanzi, efuna i-viscosity efanelekileyo, isixa sokongeza kunye nobukhulu bamasuntswana. Ukuze uhlangabezane nokusebenza kakuhle kokuchasana nokutyibilika,I-MHECIsiphumo esihle sokujiya siyafuneka ukwenza uxhathiso lokuqukuqela oluthe nkqo lodaka lomelele. Ukuqina kuneemfuno ezithile kwi-viscosity, idigri ye-etherification kunye nobukhulu bamasuntswana. Ngoko ke,I-MHEC ekufuneka iqwalaselwe kufuneka ihlangabezane neemfuno ze-viscosity, isidanga se-etherification kunye nobungakanani bamasuntswana ngaxeshanye. Kucetyiswa ukusebenzisaKimacell I-MHEC's MH100M, MH60M kunye ne-MH100MS, njl njl. (Izinga lokugcinwa kwamanzi lokutsalwa kwevacuum kunye nendlela yokucoca ilinganiswe ukuba ibe ngaphezu kwama-95%).

Ukuchasana ne-glue ye-tile yokutyibilika, ifunaI-MHEC ngokusebenza okugqwesileyo okuchasene nokuthe nkqo okuqukuqelayo kufuneka kutyebe, ukuze kulungiswe kakhuluI-MHEC inokukhethwa. Umzekelo,I-MHECMH100M of Kimacell inokucetyiswa (le mveliso iguqulwe kakhulu).

4.4 Udaka lwasemhlabeni oluzilinganisa ngokwalo

I-self-leveling mortar ineemfuno eziphezulu ekusebenzeni kwinqanaba, ngoko ke kufanelekile ukukhethaIselulosi ether MHEC iimveliso ezine-viscosity ephantsi. Ngenxa yokuba ukuzilinganisa kufuna udaka oluxutywe ngokulinganayo ukuze lukwazi ukulinganisa ngokuzenzekelayo emhlabeni, lufuna ukumanzi kunye nokumpompa, ngoko ke umlinganiselo wamanzi-material mkhulu. Ukuthintela ukopha,I-MHEC iyadingeka ukulawula ukugcinwa kwamanzi kumphezulu kunye nokubonelela nge-viscosity ukukhusela imvula. H300P2 kunye H20P2 yeKimacell ziyacetyiswa.

4.5 Ukubeka udaka

Ngenxa yokunxibelelana ngokuthe ngqo nomphezulu wobume, udaka lwemasonry lulwakhiwo olungqindilili, lufuna ukuba udaka lube nokusetyenzwa okuphezulu kunye nokugcinwa kwamanzi, kodwa nokuqinisekisa amandla okubopha ngobume, ukuphucula ukwakhiwa, ukuphucula ukusebenza kakuhle. Ngoko ke, ukhetho lweI-MHEC kufuneka ikwazi ukunceda udaka ukuphucula ukusebenza koku kungasentla,Iselulosi ether MHEC i-viscosity ayiphezulu kakhulu, kukho umlinganiselo othile wokugcinwa kwamanzi, kucetyiswa ukuba kusetyenzisweI-MHECMH100M, MH60MMH6M, njl.

4.6 I-Thermal insulation slurry

I-Thermal insulation slurry isetyenziswa kakhulu ngesandla. Ngoko ke, iI-MHEC ekhethiweyo iyafuneka ukunika udaka ulwakhiwo oluhle, ukusebenza kakuhle kunye nokugcinwa kwamanzi okugqwesileyo, kunyeI-MHEC kufuneka ibe neempawu ze-viscosity ephezulu kunye nokungenisa umoya ophezulu. Ngenxa yezi mpawu zingentla, kuyacetyiswa ukuba kusetyenzisweKimacell's MH100M, MH60M kunye nezinye iimveliso ezinezinga eliphezulu lokugcinwa kwamanzi, i-viscosity ephezulu kunye nokusebenza kakuhle kokungenisa umoya.

5 isiphelo

Iselulosi ether MHEC Kudaka lwesamente yindima yokugcina amanzi, ukutyeba, ukufakwa komoya, ukulibaziseka kunye nokuphucula amandla ebhondi..