I-polymer ye-polymer e-redispersible powder RDP inokutshintshwa ngokukhawuleza kwi-emulsion emva kokuqhagamshelana namanzi, kwaye ineempawu ezifanayo njenge-emulsion yokuqala, oko kukuthi, ifilimu inokuqulunqwa emva kokuba amanzi aphuke. Le filimu inokuguquguquka okuphezulu, ukuchasana kwemozulu ephezulu kunye nokuchasana neentlobo ezahlukeneyo zokunamathela kwi-substrates eyahlukeneyo. Ukongeza, i-latex powder ene-hydrophobicity inokwenza udaka lube nokuxhathisa okuhle kwamanzi.
Umgubo wepolymer odispersible usetyenziswa ikakhulu ku:
I-putty eludongeni lwangaphakathi nangaphandle, i-tile yokunamathelisa, i-tile grout, i-ejenti eyomileyo yokudibanisa umgubo, udaka lwangaphandle lwe-thermal insulation, i-self-leveling mortar, udaka lokulungisa, udaka lokuhombisa, udaka olungangenwa manzi kunye nodaka oluxubeneyo lwe-thermal lwangaphandle. Kudaka, kukuphucula ubuthathaka bodaka lwesamente lwesintu olufana nokuqaqadeka kunye nemodyuli elastiki ephezulu, kunye nokunika udaka lwesamente ukuguquguquka ngcono kunye nokomelela kokuqina kwebhondi ukuxhathisa kunye nokulibazisa ukuveliswa kweentanda zodaka lwesamente. Ekubeni i-polymer kunye nodaka lwakha i-interpenetrating network structure, ifilimu ye-polymer eqhubekayo yenziwa kwiipores, eyomeleza ibhondi phakathi kwee-aggregates kunye neebhloko ezinye ze-pores kwi-mortar. Ke ngoko, udaka olulungisiweyo emva kokuqina lusebenza ngcono kunodaka lwesamente. Uphuculo olukhulu.
Indima yomgubo wepolymer enokuphinda ihlakazwe eludaka ikakhulu kule miba ilandelayo:
1 Phucula amandla okucinezela kunye namandla okuguquguquka kodaka.
I-2 Ukongezwa kwe-latex powder kwandisa ukunyuswa komdaka, ngaloo ndlela kuphuculwe ukuqina kwempembelelo yodaka, kwaye kwangaxeshanye kunika umdaka isiphumo esihle sokusabalalisa uxinzelelo.
3 Ukuphucula iimpawu zokudityaniswa kodaka. Indlela yokudibanisa ixhomekeke kwi-adsorption kunye nokusasazwa kwee-macromolecules kwindawo encangathi. Ngelo xesha, i-powder ye-rubber ine-permeability ethile kwaye ingena ngokupheleleyo kumphezulu wezinto ezisisiseko kunye ne-cellulose ether, ukwenzela ukuba iipropati zomgangatho wesiseko kunye ne-plaster entsha isondele, ngaloo ndlela iphucula ukusebenza kwezinto ezisisiseko. . Adsorption, ukusebenza kwayo kwanda kakhulu.
I-4 Nciphisa i-modulus elastic yodaka, uphucule amandla okuguqula, kunye nokunciphisa i-crack phenomenon.
5 Ukuphucula ukunganyangeki kodaka. Ukuphuculwa kokumelana nokunxiba kubangelwa ikakhulu kubukho benani elithile leenduli zerabha kumphezulu wodaka, umgubo werabha udlala indima yokudibanisa, kunye nesakhiwo se-mesh esenziwe ngumgubo werabha sinokudlula kwimingxuma kunye neentanda ngaphakathi. udaka lwesamente. Ukuphucula ukunamathela kwe-binder kwimveliso ye-samente ye-hydration, ngaloo ndlela ikwandisa ukuxhathisa ukunxiba.
6 Nika udaka olubalaseleyo ukuxhathisa kwealkali.
7 Phucula ukudityaniswa kwe-putty, ukuxhathisa okugqwesileyo, ukuxhathisa kwe-alkali, ukuxhathisa kwe-abrasion, kunye nokwandisa amandla okuguquguquka.
8. Ukuphucula ukungangeni kwamanzi kunye nokungena kwe-putty.
9 Phucula ukugcinwa kwamanzi kwiputty, ukwandisa ixesha elivulekileyo, kunye nokuphucula ukusebenza.
10 Phucula ukuxhathisa kwempembelelo yeputty kunye nokwandisa ukuqina kweputty.
I-latex powder ephindwe kwakhona yenziwe nge-polymer emulsion ngokumisa ngokutshiza. Emva kokuxubana namanzi kumdaka, i-emulsified kwaye ihlakazwe emanzini ukuze yenze i-emulsion ye-polymer ezinzile. Emva kokuba i-latex powder ephinda idibaniswe i-emulsified kwaye ihlakazwe emanzini, amanzi aphuphuma. Ifilimu ye-polymer yenziwe kumdaka ukuphucula iimpawu zodaka. Iipolymer powders ezahlukeneyo ezinokuphinda zihlakazwe zineempembelelo ezahlukeneyo kudaka olomileyo lomgubo.
Iimpawu zemveliso yepolymer powder ehlakazekayo
──Phucula amandla okuguquguquka kunye namandla okuguquguquka kodaka
Ifilimu yepolymer eyenziwe nguZhaojia i-disperible polymer powder inokuguquguquka okulungileyo. Ifilimu yenziwa kwizikhewu kunye nemiphezulu yamasuntswana odaka lwesamente ukwenza unxibelelwano oluguquguqukayo. Udaka lwesamente olunzima noluphukayo luba ilastiki. Udaka olongeziweyo kunye nomgubo wepolymer ehlakazekayo uphezulu ngokuphindaphindiweyo kwi-tensile kunye ne-flexural resistance kunodaka oluqhelekileyo.
── Ukuphucula amandla okunamathela kunye nokudityaniswa kodaka
I-polymer powder ehlaziywayo njenge-binder yezinto eziphilayo inokwenza ifilimu enamandla amakhulu kunye namandla okudibanisa kwii-substrates ezahlukeneyo. Idlala indima ebalulekileyo ekunamatheleni phakathi kodaka kunye nezinto eziphilayo (i-EPS, ibhodi ye-foam ekhutshweyo) kunye ne-substrates eneendawo ezigudileyo. Ifilimu yokwenza i-polymer powder ihanjiswa kulo lonke inkqubo yodaka njengento yokuqinisa ukunyusa ukudibanisa komdaka.
──Ukuphucula ukuchasana kwempembelelo, ukuqina kunye nokuxhatshazwa kodaka
Iinqununu ze-rubber ze-powder zigcwalisa i-cavities yomdaka, ukuxinwa komdaka kuyanda, kwaye ukuxhatshazwa kokugqoka kuphuculwe. Ngaphantsi kwesenzo samandla angaphandle, kuya kuphumla ngaphandle kokulimala. Ifilimu yepolymer ingabakho ngokusisigxina kwinkqubo yodaka.
──Phucula ukuxhathisa kwemozulu kunye nokumelana nokunyibilika komkhenkce kunye nokuthintela udaka ekuqhekekeni.
I-redispersible latex powder yi-resin ye-thermoplastic ene-flexibility efanelekileyo, enokuyenza i-mortar iphendule kwiinguqu kwindawo yangaphandle eshushu kunye nebanda, kwaye ikhusele ngokufanelekileyo udaka ekuqhekekeni ngenxa yokutshintsha kweqondo lokushisa.
── Ukuphucula ukugxothwa kwamanzi kudaka kunye nokunciphisa izinga lokufunxa kwamanzi
I-latex powder ehlaziywayo yenza ifilimu kwi-cavity kunye nomphezulu womdaka, kwaye ifilimu ye-polymer ayiyi kuchithwa kabini emva kokuhlangana kwamanzi, okuthintela ukungena kwamanzi kunye nokuphucula ukungabonakali. I-polymer ekhethekileyo ye-polymer powder enefuthe le-hydrophobic, i-hydrophobic effect engcono.
── Ukuphucula ukusebenza kolwakhiwo lodaka &
I-polymer rubber powder inefuthe lokuthambisa phakathi kweengqungquthela, ukwenzela ukuba izixhobo zodaka zikwazi ukuhamba ngokuzimeleyo. Ngelo xesha, i-powder ye-rubber inempembelelo yokuphefumula emoyeni, inika ukunyanzeliswa kodaka kunye nokuphucula ukwakhiwa kunye nokusebenza kodaka.
Ukusetyenziswa kwemveliso yepolymer powder echithwayo
1. Inkqubo yokufakelwa kwe-thermal yodonga lwangaphandle:
Udaka lwe-Bonding: Qinisekisa ukuba udaka lubophelela ngokuqinileyo udonga kunye nebhodi ye-EPS. Ukuphucula amandla ebhondi.
Udaka lokutyabeka: ukuqinisekisa amandla omatshini, ukumelana nokuqhekeka kunye nokuqina kwenkqubo yokufakelwa kwe-thermal, kunye nokuchasana kwempembelelo.
2. I-adhesive ye-tile kunye ne-agent ye-caulking:
I-Tile Adhesive: Inika ibhondi ephezulu yokuqina kumdaka, inika udaka ukuguquguquka okwaneleyo ukuxinzelela i-coefficients yokwandisa i-thermal ye-substrate kunye ne-tile.
Isigcwalisi: Yenza udaka lungabonakali kwaye uthintele ukungena kwamanzi. Ngelo xesha, inokubambelela kakuhle kunye nomda we-tile, i-shrinkage ephantsi kunye nokuguquguquka.
3. Ukulungiswa kweethayile kunye nokutyabeka ngamaplanga:
Ukuphucula ukunamathela kunye namandla okubopha i-putty kwii-substrates ezikhethekileyo (ezifana nomphezulu wethayile, i-mosaics, i-plywood kunye nezinye iindawo ezigudileyo), kwaye uqinisekise ukuba i-putty ine-flexibility efanelekileyo yokunciphisa i-coefficient yokwandiswa kwe-substrate.
Okwesine, i-putty yodonga lwangaphakathi nangaphandle:
Phucula amandla okubopha i-putty kwaye uqinisekise ukuba i-putty inokuguquguquka okuthile ukuze ithintele umphumo wokwandiswa okwahlukeneyo kunye noxinzelelo lokunciphisa oluvezwa ngamaleko ahlukeneyo asisiseko. Qinisekisa ukuba i-putty inokumelana nokuguga okulungileyo, ukunganyangeki kunye nokumelana nokufuma.
5. Udaka lomgangatho ozilinganisayo:
Ukuqinisekisa ukuhambelana kwe-modulus elastic yodaka kunye nokuchasana nokugoba amandla kunye nokuqhekeka. Ukuphucula ukumelana nokunxiba, amandla ebhondi kunye nokudityaniswa kodaka.
6. Udaka lwesinxibelelanisi:
Ukuphucula amandla omhlaba we-substrate kwaye uqinisekise ukunamathela kodaka.
Isixhenkxe, udaka lwesamente olungangenwa ngamanzi:
Qinisekisa ukusebenza kwamanzi okugquma komdaka, kwaye ngexesha elifanayo ube nokubambelela kakuhle kunye nomgangatho wesiseko, uphucule amandla oxinzelelo kunye ne-flexural yodaka.
Esibhozo, ukulungisa udaka:
Qinisekisa ukuba i-coefficient yokwandisa i-mortar kunye ne-substrate ihambelana, kunye nokunciphisa i-modulus elastic of mortar. Qinisekisa ukuba udaka lunokugxotha ngokwaneleyo amanzi, ukuphefumla kunye nokunamathela.
9. Udaka lokutyatyekwa ngamasuntswana:
Ukuphucula ukugcinwa kwamanzi.
Yehlisa ilahleko yamanzi kwi-porous substrates.
Ukuphucula ukukhululeka komsebenzi wokwakha kunye nokuphucula ukusebenza kakuhle.
Ixesha lokuposa: Oct-27-2022