Focus on Cellulose ethers

Indima ye-latex powder enokuphinda ihlaziywe kwiindawo ezahlukeneyo zodaka

Indima ye-latex powder enokuphinda ihlaziywe kwiindawo ezahlukeneyo zodaka

I-powder ye-latex e-dispersible iyakwazi ukusabalalisa ngokukhawuleza kwi-emulsion emva kokudibanisa 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 zokubambelela kwi-substrates. Ukongeza, i-hydrophobic latex powder inokwenza udaka lungangeni manzi kakhulu.

Ukusetyenziswa okuphambili kwe-latex powder edibeneyo

Iputty eludongeni lwangaphakathi nangaphandle, i-adhesive yethayile, i-agent ekhomba i-tile, i-agent eyomileyo yokudibanisa i-ejenti, i-thermal insulation mortar yangaphandle yeendonga zangaphandle, i-self-leveling mortar, udaka lokulungisa, udaka lokuhombisa, udaka olungangeni manzi lwangaphandle lwe-thermal edibeneyo eyomileyo exutywe nodaka. Kumda, kukuphucula i-brittleness, imodyuli ephezulu e-elastiki kunye nobunye ubuthathaka bodaka lwesamente lwemveli, kunye nokunika udaka lwesamente ngokuguquguquka okungcono kunye namandla okuqina kwebhondi, ukwenzela ukuxhathisa kunye nokulibazisa ukuveliswa kweentanda zodaka lwesamente. Ekubeni i-polymer kunye nodaka lwenza i-interpenetrating network structure, ifilimu ye-polymer eqhubekayo yenziwa kwiipores, eyomeleza ukudibanisa phakathi kwee-aggregates kunye neebhloko ezinye ii-pores kumdaka, ngoko udaka olulungisiweyo emva kokuqina lungcono kunodaka lwesamente. Kukho uphuculo olukhulu.

Indima ye-latex powder ehlaziywayo kwi-mortar ikakhulu le 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 iphinde inike umdaka kunye nomphumo omhle wokusabalalisa uxinzelelo.

3 Ukuphucula ukusebenza kwekhonkco lodaka. Indlela yokudibanisa isekelwe kwi-adsorption kunye nokusasazwa kwee-macromolecules kwindawo encangathi. Ngelo xesha, i-powder ye-rubber ine-permeability ethile kwaye ingena ngokupheleleyo kwisiseko sezinto ezisisiseko kunye ne-cellulose ether, ukwenzela ukuba iipropati zesiseko kunye ne-plaster entsha zisondele, ngaloo ndlela ukuphucula i-Adsorption kwandisa kakhulu ukusebenza kwayo.

I-4 Ukunciphisa i-modulus elastic yodaka, ukuphucula amandla okuguqula kunye nokunciphisa i-crack phenomenon.

5 Ukuphucula ukuguga kodaka. Ukuphuculwa kokumelana nokunxiba kubangelwa ikakhulu kubukho beglue ethile ebusweni bodaka. I-powder yeglue isebenza njengebhondi, kwaye isakhiwo se-omentum esakhiwe ngumgubo weglue sinokudlula emigodini kunye nokuqhekeka kwi-samente yodaka. Ukuphucula ibhondi phakathi kwezinto ezisisiseko kunye neemveliso zesamente ze-hydration, ngaloo ndlela kwandisa ukumelana nokunxiba.

6 Nika udaka olubalaseleyo ukuxhathisa kwealkali.

I-7 Phucula ukudityaniswa kwe-putty, ukumelana okugqwesileyo, ukuxhathisa kwe-alkali, ukuxhathisa ukunxiba, kunye nokwandisa amandla okuguquguquka.

8 Ukuphucula ukungangeni kwamanzi kunye nokungena kweputty.

9 Phucula ukugcinwa kwamanzi kwi-putty, ukwandisa ixesha elivulekileyo, kunye nokuphucula ukusebenza.

10 Phucula impembelelo yokumelana ne-putty kunye nokwandisa ukuqina kwe-putty.

I-latex powder ephindwe kwakhona yenziwe nge-polymer emulsion ngokumisa ngokutshiza. Emva kokuxubana namanzi kumdaka, i-emulsified kwaye ihlakazwe emanzini ukuze iphinde ifake i-emulsion ye-polymer ezinzileyo. Emva kokuba i-latex powder ephinda idibaniswe i-emulsified kwaye ihlakazwe emanzini, amanzi aphuphuma. Ifilimu ye-polymer yenziwe kumdaka ukuphucula iimpawu zodaka. Umgubo welatex odityanisiweyo owahlukileyo uneempembelelo ezahlukeneyo kudaka olomileyo lomgubo.

Iipropathi zemveliso ye-latex powder ephindwe kabini

Phucula amandla okugoba kunye nokomelela okuguquguqukayo kodaka

Ifilimu ye-polymer eyenziwe ngumgubo we-latex owenziwe ngokutsha unokuguquguquka okuhle. Iifilimu zenziwe kwizikhewu kunye nomgangatho wamasuntswana odaka lwesamente ukwenza unxibelelwano oluguquguqukayo. Udaka lwesamente olunzima noluphukayo luba ilastiki. Udaka olongeziweyo ngomgubo we-latex oludispersible luphindaphindeka kaninzi kwi-tensile kunye nokumelana nokuguquguquka kunodaka oluqhelekileyo.

── Ukuphucula amandla okudibanisa kunye nokudityaniswa kodaka

Emva kokuba i-latex powder ephinda ihlakazwe njenge-organic binder yenziwe ifilimu, inokwenza amandla aphezulu kunye namandla okudibanisa kwii-substrates ezahlukeneyo. Idlala indima ebalulekileyo ekunamatheleni komdaka kwizinto eziphilayo (i-EPS, ibhodi ye-foam ekhutshweyo) kunye ne-substrates egudileyo. Ifilimu ye-polymer ye-polymer powder isasazwa kulo lonke inkqubo yodaka njengento yokuqinisa ukunyusa ukudibanisa komdaka.

──Ukuphucula ukuchasana kwempembelelo, ukuqina kunye nokuxhatshazwa kodaka

Iinqununu ze-rubber ze-powder zigcwalisa i-cavity ye-mortar, ubuninzi bomdaka buyanda, kwaye ukuxhatshazwa kokugqoka kuphuculwe. Ngaphantsi kwesenzo samandla angaphandle, kuya kuvelisa ukuphumla ngaphandle kokutshatyalaliswa. Ifilimu ye-polymer ingabakho ngokusisigxina kwinkqubo yodaka.

──Phucula ukuxhathisa kwemozulu kunye nokumelana nokunyibilika kodaka, kwaye uthintele udaka ekuqhekekeni.

I-redispersible latex powder yi-resin ye-thermoplastic ene-flexibility efanelekileyo, enokwenza udaka lukwazi ukujamelana nokutshintsha kwendawo ebandayo yangaphandle kunye neshushu, kwaye ikhusele ngokufanelekileyo udaka ekuqhekekeni ngenxa yokutshintsha kweqondo lokushisa.

── Ukuphucula i-hydrophobicity yodaka kunye nokunciphisa ukufunxa kwamanzi

I-latex powder ehlaziywayo yenza ifilimu kwi-cavity kunye nomgangatho womdaka, kwaye ifilimu ye-polymer ayiyi kuphinda ihlakazeke emva kokuba ibonakaliswe kumanzi, okuthintela ukungena kwamanzi kunye nokuphucula ukungabonakali. I-latex ekhethekileyo ye-latex powder enefuthe le-hydrophobic, i-hydrophobic effect engcono.

── Ukuphucula ukusebenza kolwakhiwo lodaka&

Kukho umphumo wokuthambisa phakathi kweepuphu ze-polymer rubber powder, ukwenzela ukuba amacandelo omdaka akwazi ukuhamba ngokuzimeleyo. Ngelo xesha, i-powder ye-rubber inempembelelo yokuphefumula emoyeni, inika ukunyanzeliswa kodaka kunye nokuphucula ukwakhiwa kodaka.

Ukusetyenziswa kwemveliso ye-latex powder ephinda ihlakazwe

1. Inkqubo yokugquma udonga lwangaphandle

Udaka lwe-Adhesive: qinisekisa ukuba udaka luya kudibanisa ngokuqinileyo udonga kwibhodi ye-EPS. Ukuphucula amandla ebhondi.

Udaka lokutyabeka: qinisekisa amandla omatshini, ukuxhathisa ukuqhekeka, ukuqina kunye nokumelana nempembelelo yenkqubo yokufakelwa kwe-thermal.

2. I-adhesive ye-tile kunye ne-agent ye-caulking

I-Tile Adhesive: Ibonelela ngebhondi ephezulu yokuqina kumdaka, inika udaka ukuguquguquka okwaneleyo ukuze kuhlaliswe i-coefficients eyahlukeneyo yokwandiswa kwe-thermal ye-substrate kunye neetayile.

I-Sealant: Yenza udaka lube nokunganyanzeki okugqwesileyo kwaye uthintele ukungena kwamanzi. Ngexesha elifanayo, inokubambelela kakuhle, i-shrinkage ephantsi kunye nokuguquguquka kumda we-tile.

3. Ukuhlaziywa kweethayile kunye ne-wood plastering putty

Ukuphucula ukubambelela 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.

4. I-Putty yeendonga zangaphakathi nangaphandle

Phucula ukomelela kwebhondi yeputty kwaye uqinisekise ukuba iputty inomlinganiselo othile wokuguquguquka ukuze ikhusele ukwanda okwahlukeneyo kunye noxinzelelo lokucutheka oluveliswa ngamaleko asisiseko ahlukeneyo. Qinisekisa ukuba i-putty inokumelana nokuguga okulungileyo, ukunganyangeki kunye nokumelana nokufuma.

5. Udaka lomgangatho wokuzilinganisa

Qinisekisa ukuhambelana kwemodyuli elastiki, ukugoba ukugoba kunye nokumelana nokuqhekeka kodaka. Ukuphucula ukumelana nokunxiba, amandla okubopha kunye nokudityaniswa kodaka.

6. Udaka lwesinxibelelanisi

Ukuphucula amandla omhlaba we-substrate kwaye uqinisekise ukunamathela kodaka.

7. Udaka lwesamente olungangenwa ngamanzi

Qinisekisa ukusebenza kokungena kwamanzi kwengubo yodaka, kwaye ngexesha elifanayo ube nokunamathela kakuhle kwisiseko sesiseko, kwaye uphucule amandla oxinzelelo kunye nokuguquguquka kodaka.

Esibhozo, ukulungisa udaka

Qinisekisa ukuba i-coefficient yokwandisa i-mortar ihambelana nezinto ezisisiseko kunye nokunciphisa i-modulus elastic of mortar. Qinisekisa ukuba udaka lunezinto ezaneleyo zokugxotha amanzi, ukungena komoya kunye namandla adibeneyo.

9. Udaka lokutyatyekwa ngamasuntswana

Ukuphucula ukugcinwa kwamanzi.

Yehlisa ilahleko yamanzi kwi-porous substrates.

Ukuphucula ukukhululeka komsebenzi wokwakha kunye nokuphucula ukusebenza kakuhle.


Ixesha lokuposa: May-09-2023
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