Unokukhetha njani umgubo wepolymer ophinda uhlawulwe?

Unokukhetha njani umgubo wepolymer owenziwe ngokutsha?

Akukho ndlela isebenzayo ngaphandle kokubeka imveliso kuvavanyo.

Ukukhethwa kwe-latex powder efanelekileyo enokuphinda kuthathelwe ingqalelo le miba ilandelayo:

1. Iqondo lobushushu beglasi yomgubo wepolymer odispersible.

Iqondo lokushisa lokutshintsha kweglasi kukuba i-polymer ibonisa ukuqina; ngaphantsi kobu bushushu, ipholima ibonisa ukuqaqadeka. Iqondo lobushushu beglasi yomgubo welatex jikelele ngu -15±5℃, kunye ne-latex powder yabavelisi abaqhelekileyo ngokusisiseko ayinayo le index. Ingxaki. Iqondo lokushisa lokutshintsha kweglasi lilona phawu luphambili lweempawu ezibonakalayo ze-latex powder ehlanjululwayo. Kwimveliso ethile, ukhetho olufanelekileyo lweqondo lokushisa leglasi ye-redispersible latex powder inceda ekuphuculeni ukuguquguquka kwemveliso kunye nokuphepha iingxaki ezifana nokuqhekeka.

2. Ubuncinane befilimu yokwenza iqondo lokushisa

Emva kokuba i-latex powder edibeneyo ixutywe ngamanzi kwaye iphinde ifakwe emulsified, ineempawu ezifanayo kwi-emulsion yasekuqaleni, oko kukuthi, ifilimu iya kwenziwa emva kokuba amanzi aphuke. Le filimu inokuguquguquka okuphezulu kunye nokubambelela kakuhle kwii-substrates ezahlukeneyo. Ukwahluka Ubuncinci befilimu yokwenza ifilimu ye powder latex eveliswe ngumenzi iya kuba yinto eyahlukileyo. Isalathiso sabanye abavelisi ngu-0°C, kwaye isalathiso sabanye abavelisi sisi-5°C. Logama nje ubushushu bokwenza ifilimu ye-latex powder enomgangatho olungileyo buphakathi kwe-0 kunye ne-5°C phakathi.

3. Ukuchithwa kwakhona.

Umgubo welatex ongaphantsi kwakhona unokunyibilika ngokuyinxenye okanye kunqabile ukuba unyibilike kumanzi abandayo okanye kumanzi anealkaline.

4. Ixabiso.

Umxholo oqinileyo we-emulsion umalunga ne-53%, oku kuthetha ukuba malunga neetoni ze-1.9 ze-emulsion zinyangwa kwitoni enye ye-rubber powder.

Ukuba i-2% yamanzi ibalwa, ngoko i-1.7 yeetoni ze-emulsion isetyenziselwa ukwenza itoni enye yerabha yomgubo, kunye ne-10% ye-ash content,

Kuthatha malunga neetoni ezi-1.5 ze-emulsion ukuvelisa itoni enye yomgubo werabha.

5. Isisombululo samanzi se-latex powder

Ukuze uvavanye i-viscosity yei-polymer powder enokuchithwa kwakhona, abanye abathengi bavele banyibilikise umgubo welatex emanzini baze bawuvuthulule ngesandla ukuze bawuvavanye, baza bafumanisa ukuba akukho ncangathi, becinga ukuba yayingengomgubo wokwenene welatex.

Enyanisweni, i-latex powder ehlaziywayo ngokwayo ayinamathele, yimpuphu eyenziwe emva kokuba i-emulsion ye-polymer ifafazwe-yomisiwe.

Xa i-latex powder edibeneyo ixutywe ngamanzi kwaye i-emulsified kwakhona, ineempawu ezifanayo njenge-emulsion yasekuqaleni, oko kukuthi, ifilimu eyenziwe emva kokuba amanzi aphuphumayo anokuguquguquka okuphezulu kwaye anamathele kakuhle kakhulu kwii-substrates ezahlukeneyo.

Inokuphucula nokugcinwa kwamanzi kwizinto eziphathekayo, ukukhusela udaka lwesamente ukuba lube lukhuni ngokukhawuleza, lome kwaye luqhekeke; ukwandisa iplastiki yodaka kunye nokuphucula ukusebenza kokwakhiwa. Ukusabalalisa, iipropati zokwenza ifilimu, ukuguquguquka (kubandakanywa novavanyo lokukhupha, nokuba amandla okuqala afanelekile) ngokubanzi, iziphumo zovavanyo ziya kufumaneka emva kweentsuku ze-10.