Izinto ezisekwe kuzo isamente zisetyenziswa ngokubanzi ekwakhiweni, iindlela, iibhulorho, imingxunya kunye nezinye iiprojekthi. Ngenxa yezixhobo zabo ezininzi zoluhlaza, iindleko eziphantsi kunye nokwakhiwa ngokulula, ziye zaba zizinto zokwakha ezibalulekileyo. Nangona kunjalo, izixhobo ezisekwe kwisamente nazo zijongana neengxaki kwizicelo ezenziwayo, ezinjengokunganyangeki kwamanzi aphantsi, ukunganyangeki kwamanzi ahlukumelayo kunye neemfuno eziphezulu zokuyilwa kwesamente ngexesha lolwakhiwo. Ukulungiselela ezi ngxaki, abaphandi bebezama ukufaka izixhobo ezahlukeneyo ze-polymer kwizixhobo ezisekwe kwizixhobo zokusebenza.Hydroxypropyl methylcelculose (hpmc), njengezinto eziqhelekileyo ezenziwe ngamanzi asetyenziswa ngamanzi, zisetyenziselwe ukuphucula iipropathi ezahlukeneyo zezamente ezisekwe kwizamente ngenxa yeepropathi zayo ezilungileyo, iziphumo ezihle, ukugcinwa kwamanzi, ukugcinwa kwamanzi kunye nokuchasana kwamanzi.
1. Iipropati ezisisiseko ze-hydroxypropyl methylcelcelce
KimaCell®Hydroxypropyl methylcellulose is a polymer compound obtained by chemical modification of natural cellulose, with good water solubility, thickening, water retention and high stability. Inokuhlengahlengisa i-viscofity, ityiwa kunye nokuchaswa kwezinto ezisekwe kwisamente, kwaye inomoya othile, ungcoliseko kunye nongcoliseko kunye nokulwa. I-HPMC isetyenziswa rhoqo ekwakhiweni kwezinto ezifana nodaka, izixhobo zemozulu, udaka olo omileyo, kunye neengubo
2. Ukuphuculwa kweepropathi ze-suloogical yezinto ezisisiseko zesamente yi-hydroxypropyl methylcelcelcelcelgalose
Iipropathi ze-ROOOOOOOLOTERT yeZinto eziseSekwe kwiSanti zibalulekile ekusebenzeni, ngakumbi kwinkqubo yokumpompa, ukwakhiwa, kunye nomhlaba olonakeleyo. Iipropathi zeRheeology ezilungileyo zinokuphucula ukusebenza ngokukuko nokuqinisekisa umgangatho wokwakha. Ukongezwa kwe-HPMC kunokuphucula ngokufanelekileyo ulwalamano lwezixhobo ezisekwe kwizinto. Ngokukodwa, i-HPMC inyusa i-viscofity yesazisi inamathisela, esenza umxube uzinzi ngakumbi kwaye unciphise ukwenzeka kwe-diagregation. Ngaphantsi kweemeko zoxabiso lwamanzi ezinamanzi aphantsi, i-HPMC inokuphucula ukusebenza ngempumelelo kwekhonkrithi kunye nodaka, zenza ukuba babe nobuqhetseba obungcono, ngelixa benciphisa iqondo lokuphuma kwempahla kunye nokongeza ixesha lokwakha.
3. Ukuphuculwa kokunganyangeki kotywala kwezixhobo ezisekwe kwi-HPMC
Izixhobo ezisekwe kwizixhobo zesamente zithambekele ekubeni kukrakra ngexesha lenkqubo yokukhula, ikakhulu ngenxa yezinto ezifana ne-shrinkige eyomileyo, utshintsho lobushushu, kunye nemithwalo yangaphandle. Ukongezwa kwe-HPMC kunokuphucula ngokufanelekileyo ukunganyangeki kwamandla. Oku ikakhulu kungenxa yokugcinwa kwamanzi kakuhle kunye nefuthe elihle le-HPMC. Xa i-HPMC yongezwa kwizinto ezisekwe kwisamente, inokunciphisa ngokufanelekileyo ukuvela kwamanzi kwaye inciphise isantya esiqathayo sesamente inamathisele i-shrinkgety engxokolo yamanzi. Ukongeza, i-HPMC inokuphucula ulwakhiwo lwangaphakathi lwezinto esekwe kwisamente, yandisa ubunzima babo kunye nokunganyangeki.
4. Ukuphucula ukumelana kwamanzi kunye nokuqina kwezinto ezisekwe kwisamente
Ukuxhathisa kwamanzi kunye nokuqina kwezinto ezisekwe kwisamente yenye yezalathi ezibalulekileyo zesicelo sabo kwiiprojekthi zokwakha. Njenge-polymer ephezulu yemolekyuli, i-HPMC inokuphucula ukumelana kwamanzi kwizinto ezisekwe kwimo yesamente. Imolekyuli ze-HPMC inee-hydrophiility ezinamandla kwaye zinokwenza umaleko oqinileyo we-centence ukunciphisa ukungena kwamanzi. Kwangelo xesha, i-kimbacell®hpmc inokuphucula ukwandisa ubume bezinto ezisekwe kwizixhobo zesamente, ukunciphisa ukuthambeka, kwaye ke kuphucule ukungavisisani kwamaxabiso kunye nokuchasana kwamanzi. Kwindawo ezithile ezikhethekileyo, ezinje ngendawo emsulwa okanye ukunxibelelana kwexesha elide ngamanzi, ukusetyenziswa kwe-HPMC kunokuphucula kakhulu ukuqina kwezinto ezisekwe kwimo yesamente.
I-5. I-HPMC iqaqanjelwa kwezinto ezisekwe kwizixhobo
Iziphumo ezihlekisayo ze-HPMC kwimisebenzi esekwe kwizinto zenye yezinto eziphambili zesicelo sayo. Kwi-Contes Paste, i-HPMC inokwenza ubume benethiwekhi ezintathu ngotshintsho lwesakhiwo sayo semolekyuli, ngaloo ndlela sandisa ikakhulu i-viscomosity ye-pasco. This thickening effect can not only make cement-based materials more stable during construction and avoid segregation of cement paste, but also improve the coating effect of the paste and the smoothness of the construction surface to a certain extent. Ngodaka kunye nezinye izinto ezisekwe kwizixhobo, iziphumo ezihle ze-HPMC zinokuphucula ukusebenza ngokufanelekileyo nokuziqhelanisa nezixhobo.
I-6. I-HPMC iphucula ukusebenza okubanzi kwezinto ezisekwe kwimo yesamente
Iziphumo ezibanzi zeI-HPMCKwizinto esekwe kwizixhobo zesamente, ngakumbi ifuthe elilinganayo kwimilo, ukuchasana nokugcinwa kwamanzi, kunokunyangwa kwamanzi, kunokuphucula ukusebenza kakhulu kwezinto ezisekwe kuzo. Umzekelo, i-HPMC inokuqinisekisa ukugcwala kwezinto ezisekwe kwisamente ngelixa ikhuthaza ukunganyangeki kwamanzi kunye nokuxhathisa kwamanzi kwinqanaba eliqatha emva kokwakha. Ngeentlobo ezahlukeneyo zezixhobo ezisekwe kwimo yesamente, ukongezwa kwe-HPMC kunokuba kulungelelanisa intsebenzo yabo njengoko kufuneka senze umsebenzi wokusebenza kunye nokwenza oko kusekwe kwixesha elide.
I-HydroxyPOpyl Methylcelceltulose (HPMC), njengezinto ezingenamsebenzi ezinyibilikayo zamanzi, zinokuphucula kakhulu iipropathi ezininzi zesamente, ngakumbi kwi-gemology, inganyangeki, isiphumo sokunyangwa kwamanzi. Umsebenzi wayo obalaseleyo wenza i-HPMC isetyenziswe ngokubanzi kwicandelo lezinto zokwakha, ngakumbi izixhobo esekwe kwisamente. Kwixesha elizayo, ngokuphuculwa okuqhubekayo kweemfuno zomsebenzi wesamente, izinto ezinokubakho kwe-kimbacell®hpmc kunye nezigculelo zayo kufuneka ziphuhliswe kwaye ziphuhliswe.
IXESHA LOKUQALA: UJAN-27-2025