I-HPMC (CAS: 9004-65-3), njengesongezo esisetyenziswa ngokubanzi kwintsimi yezinto zokwakha, isetyenziselwa ukugcinwa kwamanzi, ukutyeba kunye nokuphucula ukusebenza kwemveliso egqityiweyo.Izinga lokugcinwa kwamanzi sesinye sezibonakaliso eziphambili xa ukhetha i-HPMC ephezulu, ngoko ke makhe sijonge ngokusondeleyo kwi-retention yokugcinwa kwamanzi kwi-HPMC.
1.Idosi ye-HPMC, kunye nokusebenza kwayo kokugcinwa kwamanzi kuhambelana ngokuthe ngqo nesixa esongezelelweyo. Isixa se-HPMC esisetyenziswa kwizinto zokwakha kwimarike siyahluka ngokuxhomekeke kumgangatho. Ngokuqhelekileyo yongezwa kwizinto ezifana ne-bonding, i-plastering, i-anti-cracking mortar, njl. Isixa sokudibanisa ngokubanzi yi-2 ~ 2.5 KG / MT, inani elongezelelweyo le-putty njl. liphakathi kwe-2 ~ 4.5 KG / MT, i-tile glue iphakathi kwe-3.5 ~ 4 KG / MT, kunye nobuninzi be-tile grout yi-0.3 ~ 1 KG / MT ngobubanzi obuhlukeneyo, i-garry ye-fine ububanzi, i-garry ye-fine ububanzi, i-garry ebanzi i-self-leveling mortar iphakathi kwe-0.2 ~ 0.6 KG / MT, kwaye i-ETICS iphakathi kwe-4 ~ 7 KG / MT. Ngaphakathi kolu luhlu, ngakumbi i-HPMC yongezwa, ukugcinwa kwamanzi kuya kuba ngcono.
2.Impembelelo yendawo yokwakha. Ukufuma komoya, ubushushu, uxinzelelo lomoya, isantya somoya kunye nezinye izinto ziya kuchaphazela izinga lokuguquguquka kwamanzi kudaka lwesamente kunye neemveliso ezisekwe kwigypsum. Ngamaxesha ahlukeneyo kunye nemimandla eyahlukeneyo, izinga lokugcinwa kwamanzi kwimveliso efanayo liya kuhluka, kodwa ngokubanzi, Ubushushu bunempembelelo enkulu kwizinga lokugcinwa kwamanzi, ngoko kukho umbono kwiimarike: I-HPMC eneqondo lokushisa eliphezulu le-gel ngumgangatho ophezulu wemveliso enezinga eliphezulu lokugcinwa kwamanzi.
3.Inkqubo yokuvelisa kunye ne-viscosity ye-cellulose ether -HPMC. Amaqela e-methoxy kunye ne-hydroxypropoxy ahanjiswa ngokulinganayo kunye ne-cellulose molecular chain, enokunyusa ukudibanisa kwee-athomu ze-oksijini kwi-hydroxyl kunye ne-ether bonds ngamanzi. Ukukwazi ukubopha i-hydrogen kwenza amanzi asimahla abe ngamanzi abophekileyo, ngaloo ndlela alawule ngokufanelekileyo ukuvela kwamanzi abe ngumphunga kunye nokugcina ukugcinwa kwamanzi aphezulu.
Xa i-viscosity ye-HPMC inyuka, izinga lokugcinwa kwamanzi liyanda, i-viscosity ifikelela kwinqanaba elithile, izinga lokugcinwa kwamanzi liyenyuka. Ithande ukuba flat. Isishwankathelo esilula. Umsebenzi wokugcinwa kwamanzi we-HPMC uchatshazelwa yiyo yonke imiba. Ukhetho alukwazi ukusekwa kwisalathisi esinye.
Ixesha lokuposa: May-16-2022