Izongezo eziguquliweyo ezifana nezongezo zemortar ezixutyiweyo, ii-cellulose ethers, izilawuli ze-coagulation, umgubo we-latex ophinda udibane, ii-air-entraining agents, ii-ejenti zamandla okuqala, izinciphisi zamanzi, njl.njl., ezongezwa ngokweemfuno zeprojekthi, ziphucula kakhulu ukusebenza kweemortar ezixutyiweyo. Iipropati zomzimba nezoomatshini.
1. Isongezo sedaka esixutyiweyo esilungele ukuxuba
I-anionic surfactant equlethwe kwi-additive mortar exutyiweyo kwiprojekthi inokwenza amasuntswana esamente asasazeke, akhulule amanzi akhululekileyo agqunywe yi-aggregate yesamente, asasaze ngokupheleleyo ubunzima besamente ehlanganisiweyo, kwaye ayifumise ngokupheleleyo ukuze kufezekiswe isakhiwo esincinci kwaye kwandiswe uxinano lwe-mortar. Amandla, ukuphucula ukungenwa kwamanzi, ukumelana nokuqhekeka kunye nokuqina. I-mortar exutywe nezongezo ze-mortar ezixutyiweyo ziyasebenza kakuhle, izinga eliphezulu lokugcina amanzi, amandla aqinileyo okubumbana, ayinabungozi, ikhuselekile kwaye inobuhlobo nokusingqongileyo ngexesha lokusebenza. Ifanelekile ukuvelisa i-marshmallow eqhelekileyo, i-plastering, i-ground, kunye ne-mortar engangeni manzi kwiifektri ze-mortar ezixutyiweyo. Isetyenziselwa ukwakhiwa kwe-marshmallow kunye nokwakhiwa kwezitena zodongwe zekhonkrithi, izitena ze-ceramsite, izitena ezingenanto, iibhloko zekhonkrithi, izitena ezingatshiyo kwizakhiwo ezahlukeneyo zoshishino nezoluntu. Ukwakhiwa kwe-plastering yodonga lwangaphakathi nolwangaphandle, i-plastering yodonga lwekhonkrithi, i-leveling yomgangatho nophahla, i-mortar engangeni manzi, njl.
2. I-ether yeseli
Kwi-mortar exutyiweyo esele ilungisiwe, i-cellulose ether sisongezelelo esiphambili esinokuphucula kakhulu ukusebenza kwe-mortar emanzi kwaye sichaphazele ukusebenza kolwakhiwo lwe-mortar. Ukukhetha ngokufanelekileyo ii-ether ze-cellulose zeentlobo ezahlukeneyo, i-viscosities ezahlukeneyo, ubungakanani bee-particle ezahlukeneyo, amanqanaba ahlukeneyo e-viscosity kunye nobungakanani obongezelelweyo kuya kuba nefuthe elihle ekuphuculeni ukusebenza kwe-mortar eyomileyo.
Ukuveliswa kwe-cellulose ether kwenziwa kakhulu ngeefayibha zendalo ngokusebenzisa ukunyibilika kwe-alkali, ukufakelwa kwe-grafting (i-etherification), ukuhlamba, ukomisa, ukuntywiliselwa kunye nezinye iinkqubo. Ekwenzeni izixhobo zokwakha, ngakumbi i-dry powder mortar, i-cellulose ether idlala indima engenakutshintshwa, ngakumbi ekuvelisweni kwe-mortar ekhethekileyo (i-modified mortar), yinto ebaluleke kakhulu nebalulekileyo. I-Cellulose ether idlala indima yokugcina amanzi, ukuqina, ukulibazisa amandla okufuthwa kwesamente, kunye nokuphucula ukusebenza kolwakhiwo. Amandla okugcina amanzi amahle enza ukuba i-samente igcwale ngakumbi, inokuphucula i-viscosity emanzi ye-mortar emanzi, yonyuse amandla okubopha e-mortar, kwaye ilungise ixesha. Ukongeza i-cellulose ether kwi-mechanical spray mortar kunokuphucula ukusebenza kwe-spray okanye ukupompa kunye namandla olwakhiwo lwe-mortar. Ke ngoko, i-cellulose ether isetyenziswa kakhulu njengesongezelelo esibalulekileyo kwi-ready-mixed mortar. Ii-cellulose ethers ezisetyenziswa kwi-ready-mixed mortar ikakhulu yi-methyl hydroxyethyl cellulose ether kunye ne-methyl hydroxypropyl cellulose ether. , zihlala ngaphezulu kwe-90% yesabelo semarike.
3. Umgubo welatex ophinda uchitheke
Umgubo welatex ophinda udibane yi-resin ye-thermoplastic ephuma kwi-spray drying kunye ne-polymer emulsion esetyenziswa emva koko. Isetyenziswa kakhulu ekwakheni, ingakumbi umgubo owomileyo wodongwe ukwandisa ukuhambelana, ukuhambelana kunye nokuguquguquka.
Indima yomgubo we-latex ophinda uqhekeke kwi-mortar: umgubo we-latex ophinda uqhekeke wenza ifilimu emva kokusasazeka kwaye usebenza njengesincamathelisi sesibini sokuphucula ukunamathela; i-colloid ekhuselayo ifunxwa yinkqubo ye-mortar kwaye ayiyi kutshatyalaliswa ngamanzi emva kokwenziwa kwefilimu Okanye ukusasazeka kabini; i-resin ye-polymer eyenza ifilimu isasazwa kuyo yonke inkqubo ye-mortar njengento yokuqinisa, ngaloo ndlela yonyusa ukudibana kwe-mortar.
Umgubo welatex ophinda udibane kwimortar emanzi unokuphucula ukusebenza kolwakhiwo, uphucule ukusebenza kokuhamba kwamanzi, unyuse ukumelana kwethixotropy kunye nokuwa, uphucule ukuhambelana, ubambe ixesha elide, uphucule ukugcinwa kwamanzi, njl. Emva kokuba imortar ilungisiwe, inokuphucula amandla okutsalwa. Amandla okutsalwa, amandla okugoba aphuculweyo, ukunciphisa imodulus ye-elastic, ukuphuculwa kokuguquguquka, ukwanda kobuncinci bezinto, ukuphuculwa kokumelana nokuguguleka, ukuphuculwa kwamandla okutsalwa, ukuncipha kobunzulu be-carbonization, ukuncipha kokufunxwa kwamanzi kwezinto, kwaye kwenze ukuba izinto zibe nokumelana kakuhle namanzi. Iziphumo ezisekelwe emanzini nezinye.
4. Iarhente yokungenisa umoya
I-air-entraining agent, eyaziwa ngokuba yi-air-entraining agent, ibhekisa ekungenisweni kwenani elikhulu lama-micro-bubbles asasazwa ngokulinganayo ngexesha lenkqubo yokuxuba i-mortar, enokunciphisa uxinzelelo lomphezulu wamanzi kwi-mortar, nto leyo ekhokelela ekusasazekeni okungcono kunye nokunciphisa umxube we-mortar. Ukopha, ukwahlula izongezo. Ukongeza, ukungeniswa kwama-air bubbles amancinci nazinzileyo kukwaphucula ukusebenza kolwakhiwo. Ubungakanani bomoya obungeniswayo buxhomekeke kuhlobo lwe-mortar kunye nezixhobo zokuxuba ezisetyenzisiweyo.
Nangona ubungakanani bearhente yokungenisa umoya buncinci kakhulu, iarhente yokungenisa umoya inempembelelo enkulu ekusebenzeni kwe-mortar exutyiweyo, enokuphucula ukusebenza kwe-mortar exutyiweyo, iphucule ukungangeni kwamanzi kunye nokumelana neqhwa kwe-mortar, kwaye inciphise uxinano lwe-mortar, igcine izixhobo kwaye yonyuse indawo yokwakha, kodwa ukongezwa kwe-arhente yokungenisa umoya kuya kunciphisa amandla e-mortar, ngakumbi i-mortar ecinezelweyo. Ubunzulu bokuhambelana ukuze kuchongwe idosi efanelekileyo.
5. Isixhobo sokuqinisa amandla kwangethuba
I-early strength agent sisithako esinokukhawulezisa uphuhliso lwamandla okuqala e-mortar, uninzi lwazo zii-electrolytes ezingaphiliyo, kwaye ezimbalwa zii-organic compounds.
I-accelerator ye-mortar exutywe sele ilungile kufuneka ibe yi-powdery kwaye yome. I-Calcium formate yeyona isetyenziswa kakhulu kwi-mortar exutywe sele ilungile. I-Calcium formate inokuphucula amandla okuqala e-mortar, kwaye ikhawulezise ukufuma kwe-triccalcium silicate, enokunciphisa amanzi ukuya kwinqanaba elithile. Ngaphezu koko, iipropati zomzimba ze-calcium formate zizinzile kubushushu begumbi. Akulula ukuyihlanganisa kwaye ifanelekile ngakumbi ukusetyenziswa kwi-mortar eyomileyo.
6. Isinciphisi samanzi
Iarhente yokunciphisa amanzi ibhekisa kwisongezelelo esinokunciphisa ubungakanani bamanzi axutywayo phantsi kwemeko yokugcina ukuhambelana kwesamente ngokufanayo. I-water reducer ngokubanzi yi-surfactant, enokwahlulwa ibe zii-water reducers eziqhelekileyo, ii-water reducers ezisebenzayo kakhulu, ii-water reducers zamandla okuqala, ii-water reducers ezirhoxisiweyo, ii-water reducers ezirhoxisiweyo ezisebenzayo kakhulu kunye nee-induced water reducers ngokwemisebenzi yazo.
Isinciphisi samanzi esisetyenziselwa udaka oluxutyiweyo kufuneka sibe ngumgubo kwaye somile. Esi sinciphisi samanzi sinokusasazwa ngokulinganayo kwidaka eliyimpuphu eyomileyo ngaphandle kokunciphisa ubomi beshelufu yodaka oluxutyiweyo. Okwangoku, ukusetyenziswa kwearhente yokunciphisa amanzi kwidaka elixutyiweyo ngokubanzi kukwi-samente self-leveling, i-gypsum self-leveling, i-plastering mortar, i-waterproof mortar, i-putty, njl. Ukukhethwa kwearhente yokunciphisa amanzi kuxhomekeke kwizinto ezahlukeneyo kunye neempawu ezahlukeneyo zedaka. Khetha.
Ixesha lokuthumela: Epreli-10-2023