Umgubo weputty wodonga lwangaphakathi nolwangaphandle, i-adhesive yethayile, i-arhente yokukhomba iithayile, i-arhente yojongano lomgubo owomileyo, i-mortar yangaphandle yokugquma ubushushu kwiindonga zangaphandle, i-mortar ezizilinganiselayo, i-mortar yokulungisa, i-mortar yokuhombisa, i-mortar engangeni manzi i-mortar yangaphandle yokugquma ubushushu exutywe nomdaka.
Kwi-mortar, yenzelwe ukuphucula ubuqhophololo, i-modulus ephezulu kunye nobuthathaka be-mortar yesamente yendabuko, kunye nokunika i-mortar yesamente ukuguquguquka okungcono kunye namandla okutsalwa kwe-tensile bond, ukuze imelane kwaye ilibazise ukuveliswa kwee-cracks ze-mortar yesamente. Ekubeni i-polymer kunye ne-mortar zenza isakhiwo senethiwekhi esidibanisayo, ifilimu ye-polymer eqhubekayo yenziwa kwii-pores, eqinisa ukubopha phakathi kwee-aggregates kwaye ivale ezinye ii-pores kwi-mortar, ngoko ke i-mortar eguquliweyo emva kokuqina ingcono kune-mortar yesamente. Kukho uphuculo olukhulu.
Indima yomgubo welatex ophinda uqhekeke kwi-putty ikakhulu ikwimiba elandelayo:
1. Phucula ukunamathela kunye neempawu zoomatshini ze-putty. Umgubo we-latex ophinda udityaniswe yi-powder adhesive eyenziwe nge-emulsion ekhethekileyo (i-polymer ephezulu ye-molecular) emva kokomiswa nge-spray. Lo mgubo ungaphinda udityaniswe ngokukhawuleza ube yi-emulsion emva kokudibana namanzi, kwaye uneempawu ezifanayo ne-emulsion yokuqala, oko kukuthi, unokwenza ifilimu emva kokuba amanzi ephumile. Le filimu inokuguquguquka okuphezulu, ukumelana nemozulu ephezulu kunye nokumelana neentlobo ezahlukeneyo zokunamathela okuphezulu kwi-substrates. Ukongeza, umgubo we-latex ongathathi hlangothi ungenza i-mortar ingangeni manzi kakhulu.
2. Ukuphucula ukuhambelana kwe-putty, ukumelana okugqwesileyo, ukumelana ne-alkali, ukumelana nokuguguleka, kunye nokuphucula amandla e-flexural.
3. Ukuphucula ukungangeni manzi kunye nokuvuleka kwe-putty.
4. Ukuphucula ukugcinwa kwamanzi kwe-putty, ukwandisa ixesha lokuvula, kunye nokuphucula ukusebenza kakuhle.
5. Ukuphucula ukumelana nempembelelo ye-putty kunye nokuphucula ukuqina kwe-putty.
2. Indima yomgubo welatex ophinda uqhekeke kwi-adhesive yethayile ikakhulu ikwimiba elandelayo:
1. Njengoko ubungakanani besamente busanda, amandla okuqala e-adhesive yethayile ayakhula. Kwangaxeshanye, amandla e-adhesive yokutsalwa emva kokuntywiliselwa emanzini kunye namandla e-adhesive yokutsalwa emva kokuguga kobushushu nawo ayakhula. Ubungakanani besamente kufuneka bube ngaphezulu kwe-35%.
2. Njengoko inani le-latex powder ephinda inyibilike, amandla e-tensile bond emva kokuyifaka emanzini kunye namandla e-tensile bond emva kokuguga kobushushu be-tile ayanda ngokufanelekileyo, kodwa amandla e-tensile bond emva kokuguga kobushushu ayanda ngokucacileyo.
3. Njengoko inani le-cellulose ether lisanda, amandla okunamathela okuthambileyo kwe-tile adhesive emva kokuguga kobushushu ayakhula, kwaye amandla okunamathela okuthambileyo emva kokuntywila emanzini ayakhula kuqala aze anciphe. Isiphumo singcono xa umxholo we-cellulose ether umalunga ne-0.3%.
Xa sisebenzisa umgubo welatex ophinda uchitheke, kufuneka siqwalasele ubungakanani bokusetyenziswa kwawo, ukuze ukwazi ukudlala indima yawo ngokwenene.
Ixesha lokuthumela: Juni-05-2023