Diisocyanate (DDI) yog ib qho tshwj xeeb aliphatic diisocyanate nrog 36 carbon atom dimer fatty acid qaum.Cov qauv muab DDI zoo dua yooj thiab adhesion dua li lwm cov aliphatic isocyanates.DDI muaj cov khoom uas tsis muaj tshuaj lom, tsis muaj yellowing, yaj nyob rau hauv feem ntau cov organic solvents, tsis tshua muaj dej rhiab heev thiab tsawg viscosity.DDI yog ib hom ntawm ob functionality Isocyanate, nws muaj peev xwm ua hauj lwm nrog ob los yog ntau tshaj active hydrogen tebchaw los ua polymer.DDI tuaj yeem siv rau hauv cov khoom siv foob pob hluav taws, cov ntaub ntawv xov, ntawv, tawv thiab ntaub tiv thaiv, ntoo preservative kho, hluav taws xob potting thiab npaj cov khoom tshwj xeeb ntawm polyurethane (urea) elastomers, nplaum thiab sealant, thiab lwm yam.
Hauv kev lag luam Fabric, DDI qhia tau hais tias qhov zoo tshaj plaws daim ntawv thov kev cia siab nyob rau hauv dej-repellent thiab softening zog rau fabrics.Nws yog qhov tsis tshua muaj dej ntau dua li cov tshuaj tsw qab isocyanates thiab tuaj yeem siv los npaj cov emulsion ruaj khov.
Kev siv 0.125% DDI muab cov ntaub mos muag;Fabrics kho nrog nondurable cationic softeners muaj qhov zoo sib xws tom qab 26 ntxuav.Npuag cov tshuaj tiv thaiv dej siv 1% DDI muaj tib yam lossis zoo dua cov tshuaj tiv thaiv dej raws li cov roj pyridine dej tshuaj tiv thaiv (AATCC test).
DDI tuaj yeem txhim kho cov nyhuv ntawm cov dej-repellent thiab roj-repellent rau fluorinated fabrics.Thaum siv ua ke, DDI tuaj yeem txhim kho cov dej-repellent thiab roj-repellent zog ntawm fabrics.
Ob qhov kev soj ntsuam thiab kev soj ntsuam hauv cheeb tsam tau pom tias DDI muaj kev tiv thaiv zoo dua rau kev ntxuav thiab ntxuav kom qhuav dua li cov tshuaj fluoride lossis cov khoom siv ntxiv xws li cov tshuaj tiv thaiv kab mob.
DDI, npaj los ntawm dimer fatty acids, yog ib qho ntsuab, bio-renewable isocyanate ntau yam.Piv nrog rau universal isocyanate TDI, MDI, HDI thiab IPDI, DDI yog non-toxic thiab non-stimulating.Nrog rau qhov muaj koob meej ntawm dimeric acid raw cov ntaub ntawv nyob rau hauv Tuam Tshoj thiab cov neeg muaj kev mloog mus rau qis carbon ib puag ncig tiv thaiv kev lag luam thiab kev txhim kho kom ruaj khov, qhov tseem ceeb ntawm kev siv bio-renewable raw cov ntaub ntawv los npaj DDI tau maj mam tshwm sim, uas muaj qhov tseem ceeb ntawm cov tswv yim tseem ceeb rau kev txhawb txoj kev loj hlob ntawm polyurethane kev lag luam.
Post lub sij hawm: Dec-15-2020