Silicone roj ntaub softener
Silicone emulsion feem ntau yog siv los ua softening thiab finishing agent rau silicone roj fabrics. Thawj tiam ntawm silicone ntaub tiav yog cov neeg kho tshuab sib xyaw ntawm dimethicone thiab hydrogenated silicone roj (thiab lawv cov derivatives). Qhov thib ob tiam silicone npuag xov tus neeg sawv cev yog hydroxyl-terminated polydimethylsiloxane emulsion, uas yog ua los ntawm octamethylcyclotetrasiloxane monomer, dej, emulsifier, catalyst thiab lwm yam raw khoom nyob rau hauv tej yam kev mob. sib sau ua ke. Txij li thaum lub polymerization thiab emulsification tau ua tiav hauv ib kauj ruam, nws muaj qhov zoo ntawm lub sijhawm ua haujlwm luv, ua haujlwm siab, cov cuab yeej siv yooj yim, kev ua haujlwm yooj yim, thiab lwm yam, thiab cov khoom tau txais emulsion ruaj khov heev, cov khoom sib txawv heev, thiab cov khoom tau txais. polymer muaj cov pab pawg ua haujlwm (hydroxyl pawg ntawm ob qho kawg) ) tuaj yeem cuam tshuam ntxiv los tsim cov yeeb yaj kiab, uas muaj txiaj ntsig zoo los txhim kho daim ntawv thov cov nyhuv ntawm emulsion, uas yog qis dua rau cov neeg kho tshuab emulsification ntawm silicone roj.
Hydroxy silicone roj emulsion tuaj yeem muab faib ua cationic, anionic, nonionic, composite ionic thiab lwm hom emulsions raws li qhov sib txawv surfactants siv.
1. Cationic hydroxyl silicone roj emulsion
Cov emulsifiers siv nyob rau hauv cationic hydroxy emulsion polymerization feem ntau yog quaternary ammonium ntsev (octadecyl trimethyl ammonium chloride qhia nyob rau hauv cov ntaub ntawv txawv teb chaws), thiab cov catalyst yog ammonium hydroxide. Cationic hydroxy emulsion tuaj yeem siv rau tom qab ua tiav ntawm ntau yam textiles, thiab muaj cov khoom ntawm kev txhim kho ntaub tes, elasticity, smoothness thiab nruj ntawm cov ntaub; Nws lwm qhov tshwj xeeb kom zoo dua yog tias nws yog tus neeg saib xyuas zoo tshaj plaws rau cov ntaub, thiab nws tuaj yeem siv ua ke nrog methyl hydrogen silicone roj emulsion. , Waterproof kev ua tau zoo thiab tsis muaj dej tsis muaj zog tuaj yeem ncav cuag qib siab, tuaj yeem siv los ua tus neeg saib xyuas dej tsis zoo rau vinylon canopy canvas, tus neeg saib xyuas dej tsis zoo rau polyester daim ntaub, thiab lwm yam.
2. Anionic hydroxy silicone roj emulsion
Anionic hydroxy emulsion yog tus cwj pwm los ntawm kev sib raug zoo hauv cov ntaub ntawv xov, thiab cov emulsion ruaj khov heev. Tshwj xeeb, feem ntau ntawm cov pab cuam hauv textile printing thiab dyeing yog anionic. Yog tias siv cationic hydroxyemulsion, nws yooj yim ua rau demulsification thiab roj leaching. Anionic hydroxyemulsion tuaj yeem zam qhov teeb meem no, yog li nws nrov dua nrog cov neeg siv thiab muaj ntau yam kev siv.
3. Complex ionic hydroxyl silicone roj emulsion
Txawm hais tias cationic hydroxy emulsion yog ib qho zoo heev ntaub softening thiab xov tus neeg sawv cev, qhov emulsion no tsis tiv taus cov dej tawv thiab tsis tuaj yeem da dej nrog dimethylol dihydroxyethylene urea resin (2D) resin, catalyst magnesium chloride thiab anionic brightener siv, yog li muaj qee qhov kev txwv ntawm kev siv. . Tsis tas li ntawd, vim tsis muaj kev ruaj ntseg ntawm cov emulsion, silicone polymer yog yooj yim sib cais los ntawm emulsion thiab ntab rau ntawm cov kua nto, feem ntau hu ua "floating oil". Yog tias cov cationic thiab nonionic emulsifiers siv rau kev sib xyaw ua ke hauv cov txheej txheem emulsion polymerization, qhov tsis zoo ntawm cationic emulsifiers hauv kev npaj hydroxysilicone roj emulsions tuaj yeem kov yeej, thiab cov silicone emulsions npaj tau tiv taus cov dej tawv thiab tuaj yeem ua ke nrog 2D resin, magnesium chloride. thiab Brightener VBL yog sib npaug rau kev siv da dej thiab muaj cua sov zoo thiab tiv thaiv khov.
4. Nonionic Hydroxy Silicone Roj Emulsion
Non-ionic hydroxy mis nyuj muaj zog adaptability thiab ruaj khov zoo dua li cov kua mis hydroxy cais, yog li ntau lub teb chaws tau tshawb fawb cov mis nyuj uas tsis yog-ionic hydroxy. Piv txwv li, UltraX FSA, ib yam khoom tshiab uas tsim los ntawm Ciba-Geigy ntawm Switzerland, yog ib tug non-ionic emulsion ntawm hydroxyl-capped polydimethylsiloxane nrog ib tug molecular luj ntawm ntau tshaj 200, 000. Mis coj ib kauj ruam mus tom ntej.
5. Silicone ua tiav nrog lwm pab pawg ua haujlwm
Txhawm rau ua kom tau raws li qhov xav tau ntawm kev ua tiav ntawm ntau yam ntaub, txhim kho cov roj los tiv thaiv, tiv thaiv zoo li qub thiab hydrophilic zog ntawm silicone-tiav fabrics, thiab ua rau cov tshuaj fiber ntau fabrics muaj ntau yam zoo ntawm ntuj fabrics, cov neeg ua haujlwm silicone tau kawm txog kev qhia ntawm lwm pab pawg neeg Reactive xws li amino pawg, amide pawg, ester pawg, cyano pawg, carboxyl pawg, epoxy pawg, thiab lwm yam. Kev taw qhia ntawm cov pab pawg no ua rau organosilicon fabric finishing agents muaj cov teebmeem tshwj xeeb. Piv txwv li, kev taw qhia ntawm cov amino pawg rau hauv silicone molecules yog tsim rau shrinkage-resistant thiab mos xov ntawm ntaub ntaub ntaub; kev taw qhia ntawm amide pawg yog tsim rau antifouling xov, thiab cov softness yog zoo heev txhim kho: kev taw qhia Lub cyano pab pawg neeg muaj zoo roj kuj, thiab cov copolymer ntawm polyoxyethylene ether thiab organosilicon muaj ib tug zoo antistatic nyhuv; organofluorine-hloov organosilicon muaj ntau yam zoo xws li roj repellency, antifouling, antistatic, thiab dej repellency.
