Kwizinto zokuhlobisa izakhiwo, i-putty yinto esisiseko yokulinganisa udonga kunye ne-primer, ehambelana ngokuthe ngqo nomgangatho wokwakha kunye nomphumo wokuhlobisa weengubo ezilandelayo, amaphephadonga kunye nezinye izinto ezigqityiweyo. Ukuze kuphuculwe ukusebenza kolwakhiwo kunye nokusebenzisa ukusebenza kwe-putty, umlinganiselo othile wei-cellulose etherizongezo zihlala zongezwa kwifomula yayo. Kwiminyaka yakutshanje, i-ether ye-cellulose elungisiweyo ngokuthe ngcembe ibe yinxalenye ephambili kwimveliso ye-putty ngenxa yokusebenza kwayo kakuhle.
1. Ushwankathelo lwee-ether ze-cellulose ezilungisiweyo
I-ether ye-cellulose yiklasi ye-polymer e-soluble okanye i-disperible compounds eyenziwe nge-etherifying kunye nokuguqula inxalenye yamaqela e-hydroxyl ye-cellulose yendalo ngeendlela zemichiza. I-cellulose ethers eziqhelekileyo ziquka i-hydroxypropyl methylcellulose (HPMC), i-methyl cellulose (MC), i-sodium carboxymethyl cellulose (i-CMC-Na), njl. Oku kubizwa ngokuba yi-"modified" cellulose ether ibhekisela ekuqalisweni kwezinto ezisebenzayo okanye ukulawulwa kwesakhiwo sayo ngesiseko sesiseko se-cellulose ether, ukuphucula iimpawu ze-solulosi, ukuxhathisa i-alkali, i-ether ye-sodium, i-retention ye-sodium. ukuze kuhlangatyezwane ngcono neemfuno zokusebenza kwemathiriyeli kwizicelo zokwakha.
2. Indlela yokusebenza ye-ether ye-cellulose ehlaziyiweyo kwi-putty
I-Wall putty idla ngokuqulunqwa ngezinto ezingaphiliyo ezifana nomgubo wekalika, isamente, umgubo wetalcum, njl njl. Ezi mathiriyeli kulula ukucotha, ukudilika, ukuqhekeka okanye ukusebenza kakubi kolwakhiwo emva kokufaka amanzi kunye nokuzamisa. Emva kokongeza i-ether ye-cellulose elungisiweyo, idlala indima enkulu kwi-putty:
Ukugcinwa kwamanzi okuphuculweyo: I-ether ye-cellulose eguquliweyo ine-ether enamandla kakhulu yokufunxa amanzi kunye nokugcinwa kwamanzi, okunokuthi kutshixe amanzi ngokuqinileyo, kuthintele amanzi ukuba aphume ngokukhawuleza okanye afunwe ngumaleko wesiseko ngexesha lokwakha, ngaloo ndlela eqinisekisa ukuba i-putty inexesha elaneleyo lokuphendula i-hydration, ukuphucula amandla okudibanisa kunye nokunciphisa umngcipheko wokuqhekeka.
Ukuphuculwa komsebenzi wokwakha: I-ether ye-cellulose inokunika i-putty isiliphu esigqwesileyo kunye neempawu zokukhuhla, ukunciphisa ukuxhathisa ngexesha lokwakha, kwaye yenze ukwakhiwa kube lula kwaye kube lula. Kwangaxeshanye, isiphumo salo sokuqina sinokuphucula ulwelo kunye nokunqunyanyiswa kwe-putty, kwaye kuthintele izinto ekuzikeni kunye ne-delamination.
Ukuphuculwa kwamandla okudibanisa: Isakhiwo esihle sothungelwano senziwe phakathi kwe-ether ye-cellulose eguqulwayo kunye nemveliso ye-cement hydration, enceda ukunyusa ukudibanisa kwe-interfacial phakathi kwe-putty kunye nomgangatho wesiseko kunye nokuphucula ukunamathela ngokubanzi.
Ipropathi egqwesileyo ye-anti-sagging: Iipropathi ezilungileyo ze-thixotropic zenza ukuba i-putty ingabinangxaki ngexesha lolwakhiwo lwe-facade, kwaye inokwenza iflethi, ifreyiti eshinyeneyo, iphucule ukusebenza kakuhle kolwakhiwo kunye neziphumo zemveliso egqityiweyo.
Uzinzo oluphuculweyo kunye nokugcinwa: I-ether ye-cellulose elungisiweyo inokuthintela i-stratification, imvula, kunye ne-agglomeration ye-putty ngexesha lokuthutha kunye nokugcinwa, kunye nokuphucula ukuzinza kokugcinwa kwemveliso.
3. Iindlela zokuguqulwa kunye nokuphucula ukusebenza
Iindlela zokuguqulwa eziqhelekileyo ziquka ukwazisa amaqela e-hydrophobic, ukutshintsha iqondo lokutshintshwa, kunye nokulawula ukusabalalisa ubunzima be-molecular. Ngokomzekelo, i-hydrophobically modified HPMC (efana ne-HPMC-M) ingaphucula ngakumbi ukuxhathisa kwamanzi kunye nokwaleka okushinyeneyo kwe-putty, kwaye ngokulawula iimeko zokusabela etherification, iimveliso ezinobushushu obuthile bejeli kunye nokuziphatha kwe-rheological inokufumaneka ukuhlangabezana neemfuno zokwakha zemozulu ezahlukeneyo kunye neemeko ezisisiseko.
Kukho neemveliso ezikhethekileyo ze-ether ze-cellulose eziphuhliswe kwizicelo ezahlukeneyo, ezifana nobushushu be-gel ephezulu ye-HPMC efanelekileyo kulwakhiwo oluphezulu lobushushu, i-viscosity ephantsi kunye nokugcinwa kwamanzi aphezulu i-HPMC, njl., ukuhlangabezana neemfuno zeemarike kunye nenkqubo.
4. Imiqathango yokusetyenziswa
Kwinkqubo yoyilo lwefomula yeputty kunye nokuveliswa, la manqaku alandelayo kufuneka aqatshelwe xa usebenzisa i-ether ye-cellulose elungisiweyo:
Lawula umlinganiselo wokongezwa, ngokubanzi i-0.2% ukuya kwi-0.5% yobunzima be-putty powder dry; kakhulu kunokuchaphazela ixesha lokumisa kunye nokusebenza kokwaleka okulandelayo.
Ukuxuba kwangaphambili okomileyo kufuneka kufane kwaye kuxutywe ngamanzi ukuze kuqinisekiswe ukuba i-ether ye-cellulose ihlakazwe ngokupheleleyo kwaye ayinamaqhuma.
Khetha uhlobo olufanelekileyo lwe-cellulose ether ngokwendawo yokwakha (njengokushisa, umswakama) kunye nohlobo lwe-putty (udonga lwangaphakathi, udonga lwangaphandle, uhlobo olungenamanzi, njl.).
Njengesongezo esisebenzayo esinentsebenzo egqwesileyo,i-ether cellulose elungisiweyoidlala indima engenakuthathelwa indawo kunye nebalulekileyo kwimveliso kunye nokusetyenziswa kweputty. Ayiphuculi kakhulu kuphela ukulungelelaniswa kolwakhiwo kunye neempawu ezibonakalayo ze-putty, kodwa ibonelela ngesisombululo esithembekileyo nesisebenzayo sonyango lwesiseko sodonga. Ngokukhuthazwa okuqhubekayo kwezakhiwo eziluhlaza kunye neengcamango zokwakha ezintle, imfuno ye-putty ephezulu yokusebenza iyakhula, kunye nethemba lokusetyenziswa kwe-ether ye-cellulose eguqulwayo kwintsimi yezinto zokwakha iya kuba banzi.
Ixesha lokuposa: May-15-2025