Kudzidza Pamusoro peResin Kugadziriswa Kwemvura Inowanikwa Alkyd Resin Coatings

Tsanangudzo Pfupi:

Alkyd resin coating yave imwe yeakanyanya kudzidzwa uye akagadzirwa machira muindasitiri yekupfekedza nekuda kwekuwanikwa kwayo nyore kwezvinhu zvakabikwa, mutengo wakaderera uye yakanakisa gloss, kuchinjika uye kunamatira.Nekudaro, iyo yechinyakare alkyd resin coating ine zvimwe zvipingamupinyi senge yakaderera coating kuoma, kusamira kwemvura uye kupisa kupisa, uye kushandiswa kwayo hakugone kuzadzisa zvinodiwa zveindasitiri yekusimudzira kuita kwepamusoro.Izvo zvakakosha kuti uchinje uye uwedzere nzvimbo yekushandisa yealkyd resin coating.

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Tsanangudzo

Parizvino, pane zvikamu zviviri mukutsvagisa pamusoro pekushandurwa kwealkyd resin coatings: resin shanduko uye pigment shanduko.Kugadziriswa kweresin kuunza mamwe mapoka pane resin molecular chain segment, kana ne polyurethane resin, acrylic resin, epoxy resin uye silicone resin.Iko kugadziridzwa kwe pigment uye filler inonyanya kuwedzera akasiyana anoshanda pigment uye mafirita kuvandudza mashandiro ealkyd resin coatings.Iri bepa rinosuma chidzidzo pamusoro pekugadziriswa kwemaviri alkyd resin coatings maviri emvura.

Kudzidza Pamusoro peResin Kugadziriswa Kwemvura Inowanikwa Alkyd Resin Coatings

1. Kugadziriswa kwemafuta-mvura alkyd resin kubva kuZanthoxylum bungeanum mbeu nekushatisa kwemarara polyethylene terephthalate (PET) mabhodhoro.
Lei Rui weShaanxi University yesainzi uye tekinoroji, nezvimwewo akagadzira chipfuyo chakagadziridzwa mafuta-mvura alkyd resin yeZanthoxylum bungeanum mhodzi nekushandisa tsvina PET mabhodhoro, trimethylolpropane (TMP) uye isinga dyike Zanthoxylum bungeanum mhodzi yemafuta semafuta makuru, phthalic anhydride ( PA) se acidic monomer, 2,2-Dimethylolpropionic acid (DMPA) seaqueous monomer, uye n, N-Dimethylethanolamine se neutralizing agent.Mhedzisiro yekuyedza mhedzisiro yekuputira inoratidza kuti kana doro riri 11.5%, iyo yemafuta iri 50%, w (PET) = 9.3%, w (DMPA) = 10%, iyo yekupfeka ine yakanaka kuchengetedza kugadzikana, uye mvura. kuramba, kuoma uye kugadzikana kwekupisa kunovandudzwa zvakanyanya kana zvichienzaniswa neyakajairika aqueous alkyd.
2. Silicone acrylate polyurethane yakagadziridzwa mumvura alkyd anticorrosive coating
Iyo alkyd resin yakagadzirwa ne esterification reaction neakareba mafuta fatty acid (TOFA), pentaerythritol uye PA sechinhu chikuru chekushandisa, uye ipapo emulsifier AE 300 yakawedzerwa kuti iwane mvura lotion alkyd dispersion.Aqueous polyurethane prepolymer yakagadzirwa kubva ku dehydrated diol, isophorone diisocyanate uye aqueous monomer 2,2-dihydroxymethylpropionic acid (DMPA).Silicon acrylic polyurethane lotion yakagadzirwa nekushandisa TEA se neutralizing agent, ichiwedzera acrylic monomer, emulsifier, silane coupling agent, initiator uye chain extender.Silicone acrylic polyurethane yakagadziridzwa mumvura alkyd coating yakagadzirwa neaqueous alkyd dispersion uye silicone acrylic polyurethane lotion sechinhu chikuru chekugadzira firimu.