Amino silicone emulsion
Amino silicone emulsion tau siv dav hauv kev lag luam textile. Silicone finishing agent siv hauv kev lag luam textile feem ntau yog amino silicone emulsion, xws li dimethyl silicone emulsion, hydrogen silicone emulsion, hydroxyl silicone emulsion, thiab lwm yam.
Yog li, feem ntau, kev xaiv ntawm amino silicone rau cov ntaub sib txawv yog dab tsi? Los yog, hom amino silicone yuav tsum siv los txheeb xyuas cov fibers thiab cov ntaub sib txawv kom ua tiav cov txiaj ntsig zoo?
● Cov paj rwb ntshiab thiab cov khoom sib xyaw ua ke, feem ntau nrog cov muag muag, tuaj yeem xaiv cov amino silicone nrog ammonia tus nqi ntawm 0.6;
● Ntshiab polyester ntaub, nrog ib txhais tes zoo li lub ntsiab feature, muaj peev xwm xaiv amino silicone nrog ammonia tus nqi ntawm 0.3;
● Cov ntaub lo lo ntxhuav tiag tiag yog qhov yooj yim rau qhov kov thiab xav tau siab gloss. Amino silicone nrog tus nqi 0.3 ammonia feem ntau yog xaiv los ua tus neeg sawv cev sib xyaw kom zoo nkauj;
● Wool thiab nws cov ntaub sib xyaw ua ke yuav tsum muaj qhov muag muag, du, elastic thiab txhais tes zoo, nrog kev hloov xim me ntsis. Amino silicone nrog 0.6 thiab 0.3 ammonia qhov tseem ceeb tuaj yeem raug xaiv rau kev sib xyaw thiab sib xyaw ua kom cov neeg ua haujlwm kom muaj zog elasticity thiab gloss;
● Cashmere sweaters thiab cashmere fabrics muaj siab dua tag nrho txhais tes zoo li piv rau cov ntaub plaub, thiab cov khoom siv sib xyaw ua ke siab tuaj yeem xaiv tau;
● Nylon thom khwm, nrog ib tug du kov raws li lub ntsiab feature, xaiv siab elasticity amino silicone;
● Acrylic pam vov, acrylic fibers, thiab lawv cov ntaub sib tov yog cov mos mos thiab xav tau siab elasticity. Amino silicone roj nrog tus nqi ammonia ntawm 0.6 tuaj yeem xaiv kom tau raws li qhov yuav tsum tau ua ntawm elasticity;
● Hemp fabrics, feem ntau du, feem ntau xaiv cov amino silicone nrog ammonia tus nqi ntawm 0.3;
● Artificial silk thiab paj rwb feem ntau yog mos rau qhov kov, thiab cov amino silicone nrog ammonia tus nqi ntawm 0.6 yuav tsum raug xaiv;
● Polyester txo cov ntaub, feem ntau los txhim kho nws cov hydrophilicity, tuaj yeem xaiv polyether hloov silicone thiab hydrophilic amino silicone, thiab lwm yam.
1. Cov yam ntxwv ntawm cov amino silicone
Amino silicone muaj plaub yam tseem ceeb: ammonia tus nqi, viscosity, reactivity, thiab particle loj. Cov plaub yam no yeej qhia txog qhov zoo ntawm cov amino silicone thiab cuam tshuam rau cov style ntawm cov ntaub ua tiav. Xws li txhais tes xav, whiteness, xim, thiab yooj yim ntawm emulsification ntawm silicone.
① Ammonia tus nqi
Amino silicone endows fabrics nrog ntau yam khoom xws li softness, smoothness, thiab fullness, feem ntau yog vim cov amino pawg hauv polymer. Cov ntsiab lus amino tuaj yeem sawv cev los ntawm tus nqi ammonia, uas yog hais txog milliliters ntawm hydrochloric acid nrog rau qhov sib npaug ntawm qhov xav tau kom tsis txhob muaj 1g ntawm amino silicone. Yog li ntawd, tus nqi ammonia yog ncaj qha proportional rau mole feem pua ntawm cov amino cov ntsiab lus nyob rau hauv silicone roj. Qhov siab dua cov ntsiab lus ntawm cov amino, qhov siab dua cov nqi ammonia, thiab qhov softer thiab smoother qhov kev ntxhib los mos ntawm cov ntaub tiav. Qhov no yog vim tias qhov nce hauv cov amino ua haujlwm zoo heev ua rau lawv txoj kev sib raug zoo rau cov ntaub, tsim kom muaj kev sib xyaw molecular ntau dua thiab muab cov ntaub mos muag thiab du.
Txawm li cas los xij, cov nquag hydrogen nyob rau hauv pawg amino yog nquag oxidation los tsim chromophores, ua rau yellowing los yog yellowing me ntsis ntawm cov ntaub. Nyob rau hauv cov ntaub ntawv ntawm tib cov amino pawg, nws yog pov thawj tias raws li cov amino cov ntsiab lus (los yog ammonia tus nqi) nce, qhov tshwm sim ntawm oxidation nce thiab yellowing ua hnyav. Nrog rau qhov nce ntawm ammonia tus nqi, lub polarity ntawm amino silicone molecule nce, uas muab ib tug haum prerequisite rau lub emulsification ntawm amino silicone roj thiab yuav ua tau rau hauv micro emulsion. Kev xaiv ntawm emulsifier thiab qhov loj me thiab kev faib tawm ntawm qhov loj me hauv emulsion kuj tseem cuam tshuam rau tus nqi ammonia.
① Viscosity
Viscosity muaj feem xyuam rau qhov hnyav molecular thiab molecular hnyav faib ntawm polymers. Feem ntau hais lus, qhov siab dua qhov viscosity yog, ntau dua qhov hnyav molecular ntawm amino silicone yog, qhov zoo dua cov yeeb yaj kiab tsim cov cuab yeej ntawm cov ntaub yog, qhov softer lub siab yog, thiab qhov smoother smoothness yog, tab sis qhov phem dua. lub permeability yog. Tshwj xeeb tshaj yog rau cov ntaub qhwv nruj nreem thiab cov ntaub tsis zoo, cov amino silicone yog qhov nyuaj rau nkag mus rau hauv cov fiber ntau sab hauv, cuam tshuam rau kev ua haujlwm ntawm cov ntaub. Cov viscosity siab dhau lawm yuav ua rau qhov ruaj khov ntawm emulsion tsis zoo los yog nyuaj ua rau micro emulsion. Feem ntau, cov khoom lag luam tsis tuaj yeem hloov kho los ntawm viscosity nkaus xwb, tab sis feem ntau sib npaug los ntawm ammonia tus nqi thiab viscosity. Feem ntau, qis ammonia qhov tseem ceeb yuav tsum muaj viscosity siab kom sib npaug ntawm cov ntaub.
Yog li ntawd, ib tug smooth tes xav yuav tsum siab viscosity amino hloov silicone . Txawm li cas los xij, thaum lub sijhawm ua haujlwm muag thiab ci, qee cov amino silicone cross-link los ua ib zaj duab xis, yog li ua rau qhov hnyav molecular. Yog li ntawd, thawj qhov hnyav ntawm cov amino silicone txawv ntawm qhov hnyav molecular ntawm amino silicone uas thaum kawg tsim ib zaj duab xis ntawm cov ntaub. Yog li ntawd, qhov smoothness ntawm cov khoom kawg tuaj yeem sib txawv heev thaum tib lub amino silicone ua tiav raws li cov txheej txheem sib txawv. Ntawm qhov tod tes, tsis tshua muaj viscosity amino silicone kuj tuaj yeem txhim kho qhov kev ntxhib los mos ntawm cov ntaub los ntawm kev ntxiv cov kab txuas txuas lossis kho qhov ci ci. Tsawg viscosity amino silicone nce permeability, thiab los ntawm kev sib txuas cov neeg sawv cev thiab cov txheej txheem optimization, qhov zoo ntawm siab thiab qis viscosity amino silicone tuaj yeem ua ke. Qhov viscosity ntau ntawm cov amino silicone yog nyob ntawm 150 thiab 5000 centipoise.
Txawm li cas los xij, nws tsim nyog sau cia tias qhov kev faib tawm ntawm qhov hnyav molecular ntawm amino silicone yuav muaj kev cuam tshuam ntau dua rau cov khoom lag luam. Qhov qis molecular hnyav nkag mus rau hauv cov fiber ntau, thaum lub siab molecular hnyav yog faib rau sab nrauv ntawm fiber, kom sab hauv thiab sab nraud ntawm fiber yog qhwv los ntawm amino silicone, muab cov ntaub mos thiab du, tab sis teeb meem tej zaum yuav yog tias qhov kev ruaj ntseg ntawm micro emulsion yuav cuam tshuam yog tias qhov sib txawv ntawm qhov hnyav molecular loj dhau.
① Reactivity
Reactive amino silicone tuaj yeem tsim kev sib txuas ntawm tus kheej thaum ua tiav, thiab nce qib ntawm kev sib txuas ntawm kev sib txuas yuav ua rau kom smoothness, softness, thiab fullness ntawm ntaub, tshwj xeeb tshaj yog nyob rau hauv cov nqe lus ntawm elasticity txhim kho. Tau kawg, thaum siv cov neeg sawv cev sib txuas los yog ua kom muaj kev ci, cov amino silicone feem ntau tuaj yeem ua rau kev sib txuas ntawm kev sib txuas thiab yog li txhim kho rov qab. Amino silicone nrog hydroxyl lossis methylamino kawg, qhov siab dua tus nqi ammonia, qhov zoo dua nws txoj kev sib txuas, thiab nws qhov elasticity zoo dua.
② Particle loj ntawm micro emulsion thiab hluav taws xob nqi ntawm emulsion
Qhov loj me me ntawm cov amino silicone emulsion yog me me, feem ntau tsawg dua 0.15 μ, yog li cov emulsion nyob rau hauv lub thermodynamic ruaj khov dispersion xeev. Nws qhov ruaj khov ruaj khov, kub ruaj khov thiab shear stability yog qhov zoo heev, thiab nws feem ntau tsis ua txhaum cov emulsion. Nyob rau tib lub sijhawm, qhov me me me me ua rau thaj tsam ntawm thaj tsam ntawm cov khoom, txhim kho kev sib cuag ntawm cov amino silicone thiab ntaub. Qhov saum npoo adsorption muaj peev xwm nce thiab cov uniformity txhim kho, thiab permeability txhim kho. Yog li ntawd, nws yog ib qho yooj yim los tsim ib tug nruam zaj duab xis, uas txhim kho cov softness, smoothness, thiab fullness ntawm cov ntaub, tshwj xeeb tshaj yog rau zoo denier fabrics. Txawm li cas los xij, yog tias qhov loj me me ntawm cov amino silicone tsis sib npaug, qhov ruaj khov ntawm emulsion yuav cuam tshuam zoo heev.
Tus nqi ntawm amino silicone micro emulsion nyob ntawm lub emulsifier. Feem ntau, anionic fibers yog ib qho yooj yim rau adsorb cationic amino silicone, yog li txhim kho cov nyhuv kho. Lub adsorption ntawm anionic emulsion tsis yooj yim, thiab lub peev xwm adsorption thiab uniformity ntawm non-ionic emulsion yog zoo dua li anionic emulsion. Yog tias tus nqi tsis zoo ntawm cov fiber ntau me me, qhov cuam tshuam ntawm cov nqi sib txawv ntawm micro emulsion yuav raug txo kom tsawg. Yog li ntawd, cov tshuaj fibers xws li polyester nqus tau ntau yam micro emulsion nrog cov nqi sib txawv thiab lawv cov uniformity zoo dua li paj rwb fibers.
1.Qhov cuam tshuam ntawm cov amino silicone thiab cov khoom sib txawv ntawm tes-xav ntawm cov ntaub
① Softness
Txawm hais tias tus yam ntxwv ntawm cov amino silicone yog zoo heev los ntawm kev khi ntawm cov amino functional pawg rau fabrics, thiab cov txheej txheem ntawm silicone muab fabrics ib tug mos mos thiab du. Txawm li cas los xij, qhov ua tiav qhov tseeb feem ntau nyob ntawm qhov xwm txheej, qhov ntau, thiab kev faib tawm ntawm cov amino ua haujlwm hauv cov amino silicone. Nyob rau tib lub sijhawm, cov mis ntawm emulsion thiab qhov nruab nrab particle loj ntawm emulsion kuj cuam tshuam rau qhov muag muag. Yog hais tias cov kev cuam tshuam saum toj no tuaj yeem ua tiav qhov zoo tshaj plaws, qhov muag muag ntawm cov ntaub xov yuav ncav cuag nws qhov zoo tshaj plaws, uas yog hu ua "super soft". Tus nqi ammonia ntawm cov amino silicone softeners feem ntau yog nyob nruab nrab ntawm 0.3 thiab 0.6. Qhov siab dua tus nqi ammonia, qhov sib npaug ntawm cov amino functional pawg nyob rau hauv silicone, thiab softer cov ntaub. Txawm li cas los xij, thaum tus nqi ammonia ntau dua 0.6, qhov kev xav ntawm cov ntaub tsis muaj qhov nce ntxiv. Tsis tas li ntawd, qhov me me ntawm qhov me me ntawm emulsion, qhov ntau conducive rau adhesion ntawm emulsion thiab qhov muag muag.
② Smooth tes xis
Vim tias qhov nro ntawm cov khoom siv silicone yog me me, amino silicone micro emulsion yog qhov yooj yim heev rau kev sib kis ntawm cov fiber ntau, ua kom zoo zoo. Feem ntau hais lus, qhov me me ntawm ammonia tus nqi thiab qhov loj dua qhov hnyav molecular ntawm amino silicone, qhov zoo dua qhov smoothness. Tsis tas li ntawd, amino terminated silicone tuaj yeem tsim cov kev taw qhia zoo heev vim tias tag nrho cov silicon atoms nyob rau hauv cov saw txuas txuas nrog methyl pawg, ua rau muaj kev xav zoo heev.
