I-Alkyd luhlobo lwe ukupeyinta equkethe i-polyester resin kwaye iguqulwe nge-fatty acids, ephuma kwi-polyols, i-organic acids, kunye ne-triglycerides. Luhlobo lwepeyinti esekelwe kwioli eziphatha ngendlela eyahlukileyo kwezinye iintlobo zepeyinti.
Ipeyinti ye-alkyd ifana nepeyinti ye-enamel, kodwa ngokuthungwa okuhlukileyo kunye nokuziva. Kukhethwa kakhulu kwiindonga zokupeyinta kwaye ibonelela ngokugqitywa okukhulu ekulula ukukususa xa kuyimfuneko.
Esi sikhokelo siya kukuxelela yonke into ofuna ukuyazi malunga nepeyinti ye-alkyd, ukusuka kwinto eyiyo ukuya kwindlela esetyenziswa ngayo.
Kule posi siza kugubungela:
Alkyd: Isitshixo sokuGqiba okuhle kwiindonga zeKhaya lakho
I-Alkyd ligama elibonisa uhlobo lwepeyinti equkethe i-polyester resin eguqulwe ngokongezwa kwe-fatty acids kunye nezinye izinto. I-Alkyds ithathwe kwi-polyols kunye ne-organic acids, kuquka i-dicarboxylic acids okanye i-carboxylic acid anhydride kunye ne-triglyceride oils. Igama elithi "alkyd" lisetyenziswa ngokuqhelekileyo kwishishini lepeyinti ukuchaza uhlobo oluthile lwepeyinti esekelwe kwioli eziphatha ngendlela eyahlukileyo kunezinye iintlobo zepeyinti.
Iveliswa Njani Ipeyinti yeAlkyd?
Inkqubo yokuvelisa i-alkyd yepeyinti ifana neyezinye iintlobo zepeyinti. Nangona kunjalo, ipeyinti ye-alkyd iqulethe umxholo ophezulu weoli kunye ne-resin kunezinye iintlobo zepeyinti. Ukongezwa kwezi zixhobo kukhuthaza ukuguquguquka kunye nokuhambelana kwimveliso yokugqibela, okubangelwa indawo eqinile xa ipeyintwa kwiindonga.
Zeziphi iintlobo ezahlukeneyo zepeyinti ye-Alkyd?
Kukho iintlobo ezininzi ezahlukeneyo zepeyinti yealkyd ekhoyo, nganye ineempawu zayo ezizodwa kunye neenzuzo. Ezinye zezona ntlobo zixhaphakileyo zepeyinti yealkyd ziquka:
- Ipeyinti ye-alkyd ye-enamel: Olu hlobo lwepeyinti ye-alkyd lulungile ukuba lusetyenziswe kwimigangatho yesinyithi ngenxa yokuqina kwayo kunye nokuqina kwayo.
- Ipeyinti ye-alkyd ye-Hybrid: Olu hlobo lwepeyinti ye-alkyd ludibaniso lwepeyinti ye-alkyd kunye ne-latex, okwenza kube lukhetho olukhulu kwabo bafuna inzuzo yeentlobo zombini zepeyinti.
- Ipeyinti ye-alkyd esekelwe kwi-oyile: Olu hlobo lwepeyinti ye-alkyd lusetyenziswa ngokuqhelekileyo kwiindonga zokupenda ekhaya, njengoko libonelela ngokugqitywa kwaye kulula ukulisusa xa kuyimfuneko.
Indlela yokumisela ukuba i-Alkyd Paint ikulungele?
Ukuba ufuna ukugqitywa okukhulu kwiindonga zakho zasekhaya kwaye uzimisele ukulinda ixesha elide ukuba ipeyinti yome, ipeyinti ye-alkyd ingaba yinto efanelekileyo kuwe. Qwalasela le miba ilandelayo xa ufumanisa ukuba i-alkyd ipeyinti ilungile kwiimfuno zakho zokupeyinta:
- Ngaba ufuna indawo eqinile kwiindonga zakho?
- Ngaba unomdla wokupeyinta iindawo zentsimbi?
- Ngaba uyafuna ipeyinti ekulula ukuyisebenzisa kwaye ibonelela ngokugqitywa okufanayo?
- Ngaba uzimisele ukulinda ixesha elide ukuba ipeyinti yome?
- Ngaba uyafuna ipeyinti ekulula ukuyisusa xa ifuneka?
Ukufumanisa imimangaliso yepeyinti ye-Alkyd: Isikhokelo sobuNgcali
Ipeyinti ye-Alkyd ineempawu ezininzi ezizodwa ezenza ukuba zivelele kwezinye iintlobo zepeyinti, kuquka:
- Ukugqiba okugudileyo: Ipeyinti ye-Alkyd inomtyino ogudileyo nocwebezelayo ongenakuthelekiswa nezinye iintlobo zepeyinti.
- Ukugubungela: Ipeyinti ye-Alkyd inokugubungela umphezulu kwingubo enye okanye ezimbini, okwenza kube lukhetho oludumileyo kubadwebi beengcali.
- Ukumelana namanzi kunye neekhemikhali: Ipeyinti ye-Alkyd ixhathisa kakhulu kumonakalo wamanzi kunye neekhemikhali, okwenza kube yinto efanelekileyo yokusetyenziswa kwiindawo ezijongene neemeko ezinzima.
- I-pigments emisiwe: I-pigments kwipeyinti ye-alkyd imisiwe kwi-resin, evumela ukugcinwa kombala okungcono kunye nokuqina.
- Ukusetyenziswa kwebhrashi: Ipeyinti ye-Alkyd ingafakwa ngebrashi, okwenza kube lula ukuyisebenzisa kubo bobabini abachwephesha kunye nabathandi be-DIY.
I-Alkyd Peyinti ithelekiswa njani nezinye iipeyinti?
Ipeyinti ye-alkyd idla ngokuthelekiswa ne-acrylic kunye neepeyinti ezisekelwe kwioli. Nazi ezinye zeeyantlukwano ezinkulu:
- I-Acrylics: Ipeyinti ye-Acrylic yomile ngokukhawuleza kune-alkyd paints kwaye kulula ukuyicoca ngamanzi. Nangona kunjalo, azihlali njengepeyinti ye-alkyd kwaye ayinayo inqanaba elifanayo lokucwebezela.
- Ioyile: Ipeyinti esekwe kwioyile ithatha ixesha elide ukomisa kunealkyd ipeyinti kwaye ifuna izinyibilikisi zokucoca. Zikwathanda ukutyheli ekuhambeni kwexesha. Nangona kunjalo, zinesiphelo esigudileyo kwaye zibhetyebhetye ngakumbi kunepeyinti yealkyd.
Ukuqonda iintlobo ezahlukeneyo zokugquma iiAlkyds
I-alkyds yeoli ende inomxholo ophezulu weoli, ngokuqhelekileyo ngaphezu kwe-60%. Bafuna ixesha elide lokumisa kodwa bavelise ukugqitywa okunzima kunye nokuguquguqukayo. Ngokuqhelekileyo zisetyenziswa kwiipeyinti zokupakisha ukutya kunye neengubo.
I-Alkyds yeoli ephakathi
I-alkyds yeoli ephakathi inomxholo weoli ukusuka kwi-40% ukuya kwi-60%. Zilula ukuzisebenzisa kwaye zivelise ukugqiba okulungileyo. Ngokuqhelekileyo zisetyenziselwa ukuveliswa kweetoti zombane kunye nenjongo eqhelekileyo amalaphu.
Alkyds Modified
Ii-alkyds ezilungisiweyo zi-alkyds eziye zatshintshwa kunye namanye amacandelo ukuphucula ukusebenza kwazo. Ezinye zezinto ezisetyenziswa ngokuqhelekileyo zibandakanya i-phenolics, i-bisphenol A, kunye ne-acrylic monomers. Ukuguqulwa kuchaphazela ixesha lokumisa, ukunamathela, ukuchasana kweekhemikhali, kunye nokumelana nokushisa kwengubo.
I-Alkyd Hybrids: Umdibaniso ogqibeleleyo weeResin
I-Alkyd hybrids yindibaniselwano ye-alkyd kunye nezinye ii-resins, ezifana ne-epoxy, i-polyester, okanye i-resin zamanzi. Ezi hybrids zidalwe ngokuxuba i-alkyd kunye ne-epoxy resin precursors engaphendulwanga ngaphambi kokunyanga. Isiphumo sisigqubuthelo esikhethekileyo esidibanisa iipropathi ezilungileyo ze-resin nganye.
Iintlobo ze-Alkyd Hybrids
Kukho iintlobo ezininzi ze-alkyd hybrids ezikhoyo, kuquka:
- I-epoxy-alkyd hybrids: Ezi zogquma zibonelela ngokuncamathela okugqwesileyo kunye nokumelana nomhlwa, nto leyo ezenza zilungele ukusetyenziswa kwimigangatho yentsimbi.
- I-Polyester-alkyd hybrids: Ezi zogquma zomelele kakhulu kwaye zibonelela ngogcino olugqwesileyo lweglosi, luzenza zilungele ukusetyenziswa kumphezulu wangaphandle.
- I-alkyd hybrids yasemanzini: Ezi zogquma zihambelana nokusingqongileyo kwaye zinika ukukhutshwa kwe-VOC okuphantsi, okuzenza zilungele ukusetyenziswa kwiindawo zangaphakathi.
- I-Nanocomposite alkyd hybrids: Ezi zigqubuthelo ziqulethe ii-nanoparticles eziphucula iipropati ze-coating, ezifana nokuchasana nokukhuhla kunye nokukhuselwa kwe-UV.
isiphelo
Ke, yile nto i-alkyd eyiyo- luhlobo lwepeyinti equlethe umxube we-oyile, intlaka, kunye newax. I-Alkyd ikulungele ukupeyinta iindonga kuba inika ukugqiba okugudileyo kwaye iyamelana namanzi kunye neekhemikhali. Ungayisebenzisa kwakhona kwimigangatho yentsimbi, uyenze ibe yipeyinti eguquguqukayo. Ngoko ke, ukuba ukhangele isiphelo esinzima, esomeleleyo, ipeyinti ye-alkyd yindlela yokuhamba.
NdinguJoost Nusselder, umseki weZixhobo zeGqirha, umthengisi womxholo, kunye notata. Ndiyathanda ukuzama izixhobo ezitsha, kwaye kunye neqela lam ndiye ndenza amanqaku ebhlog anzulu ukusukela ngo-2016 ukunceda abafundi abathembekileyo ngezixhobo kunye neengcebiso zokwenza.
