Daim ntawv thov nyob rau hauv ntub xaus ntawm papermaking

Surfactants rau sizing yog tseem ceeb ntub dej kawg tshuaj lom uas muab cov dej tsis kam rau daim ntawv thiab duab los qhia. Lawv feem ntau yog siv rau kev sau ntawv, luam ntawv, ntim, thiab daim ntawv thiab duab los qhia.

Lub ntsiab ntawm sizing cov neeg sawv cev yog rosin raws li cov neeg sawv cev thiab hluavtaws raws li cov neeg sawv cev. Qhov kev npaj ntawm dispersed Rosin loj yog lub cev nqaij daim tawv thiab tshuaj lom neeg, uas tau tawv Rosin nqus kub thiab ua kua Rosin. Muaj qhov zoo tshaj plaws interfacial qhov nro nruab nrab ntawm rosin kua thiab dej, thiab txo cov kev sib tshuam no tsuas yog ua tiav los ntawm kev ntxiv surfactants. Emulsifiers thiab dispersants rau dispersing rosin cov pos hniav yog ob qho surfactants. Xaiv txoj cai surfactant yog tus yuam sij los npaj cov pos hniav tawg, thiab cov nquag siv suav nrog anionic, cationic cov neeg sawv cev. Cov tshuaj tua hluav taws xob feem ntau yog anionic dispersed cov pos hniav polyoxen-3- (stydium 2-hydroxy-3- (nonyloxy polyoxyylene) Acrylic sulfonate, etc. Qee cov cationic emulsifience xws li cationic polyacrylamide, polyamide polyacrydrin, thiab Cationic Starch tau siv los npaj cov lus sau loj me me.

Synthetic sizing cov neeg sawv cev tsuas yog suav nrog Alkyl Ketene Dimer (AKD) thiab Alkylcinic anhydride (ASA). Ob hom ntawm cov neeg sawv cev sizing no yog cov npe hu ua cov sozing sizing cov neeg sawv cev vim tias lawv muaj cov pab pawg ua haujlwm nquag nrog cov fydroxyl ntawm cov fiberers thiab nyob twj ywm. Vim yog lawv lub peev xwm kom haum rau qib siab pH (PH = 7.5-8.5), hom sizing calcium carbonate ua ib qho kev sib tw ua kom muaj zog, dawb, thiab papermaking kev ua haujlwm ntawm daim ntawv. Tam sim no, tshaj 50% ntawm cov ntawv loj hauv cov teb chaws tsim tau tau tiav nruab nrab rau Alkaline papermaking. AKD thiab ASA yog insoluble hauv dej, thiab ruaj khov akd lotion tuaj yeem npaj los ntawm kev siv polyoxyethylene hom uas tsis yog-ionic surfactant raws li emulsifier.

Thaum lub sij hawm tshuaj tov tshuaj ntawm pulp kho nrog surfactants rau resin tswj, seem residual resin yuav precipitate. Yog tias tsis sib cais nyob rau hauv lub sijhawm, nws yuav tsim kom muaj qhov tso nyiaj, thiab cov ntaub qhwv ntaub qhwv ntsej muag, cuam tshuam rau cov ntaub ntawv ntaub, thiab ua rau cov ntawv kab mob. Ib qho ntxiv, nrog kev siv thoob plaws khib nyiab niaj hnub no, cov khoom noj khoom haus, thiab txheej nplaum txheej, thiab cov kua nplaum nplaum, thiab cov nplaum nplaum, thiab cov nplaum nplaum Yog li ntawd, kev tshawb nrhiav thiab kev txhim kho cov tswj cov teeb meem tswj cov tswj hwm tau dhau los ua ib qho tseem ceeb.

Cov txheej txheem ntawm cov txheej txheem los tswj suav nrog cov hmoov av (xws li TALC cov hmoov av), chelating cov neeg sawv cev, cov kua qaub, thiab cov membrane sib cais. Feem ntau siv surfactants yog anionic surfactants, uas yog cov neeg haus cawv ntau tshaj plaws, thiab cov ntsev txiv neej alkyl. Tsis ionic surfactants tsuas yog suav nrog polyethylene glycol thiab polyols. Tsis tas li ntawd, tseem muaj amphoteric surfactants thiab ntau yam kev ua ntau ntau yam. Stripping tus neeg sawv cev tseem yog tus neeg sawv cev los tswj cov dej khov ntawm lub tshuab ziab khaub ncaws thiab tshuab ziab khaub ncaws, thiab tswj kev faib cov nplaum. Nws yog suav nrog polyamide polymer pleev, xws li polyvinyl cawv potion, ntxhia roj thiab surfactant

Surfactant rau defojing

Hauv cov ntawv ua tiav cov txheej txheem, lub sam thiaj muaj ib qho me me ntawm ntuj thiab artificially ntxiv ua npuas ncauj thiab fatty acids, nrog rau cov khoom siv hluav taws xob thiab cov hmoov txhuv nplej siab thiab cov hmoov txhuv nplej siab. Yog li ntawd, ua npuas ncauj yuav tshwm sim, ua rau muaj teeb meem xws li ntawv tawg lossis qhov ntawm daim ntawv. Cov nquag ua hauj lwm cov khoom siv ntawm defoamers siv hauv ntawv ua yog cov roj carbon chocole piymers, polyethers, organic sidlicon polymers, thiab lwm yam npaj rau hauv dej hauv cov tshuaj pleev roj.

Mos muag rau papermaking

Softness hais txog kev muaj peev xwm ntawm surfactants los ua cov pab pawg hydrophobic nyob rau saum npoo ntawm cov khoom siv fiber ntau, yog li ua tiav qhov kev ua kom du thiab muag. Sulfuric acid vinegar, sulfonated Castor roj, thiab lwm yam anionic survactants ua pov thawj thaum cov nyhuv muag muag thaum cov kab ke.

Cov pab pawg cationic hauv Cationic Surfactants tuaj yeem ncaj qha nrog cov pab pawg tsis zoo ncaj qha, thaum hydrophobic pab pawg ntawm cov fibers, ua rau muaj kev hloov pauv tshwj xeeb. Fatty acid bisamide epichlorohydin feem ntau yog siv rau cov ntawv nrog cov ntaub hoob nab, xws li daim ntawv so quav, xws li daim ntawv so, huv si, napkins, thiab lwm yam.

Bipolar ionic surfactants muaj ntau cov kev siv. Lawv pawg cationic tuaj yeem tsim daim ntawv cog lus nrog cov fibers, thaum lawv pawg anionic tuaj yeem khi nrog cov fibers los ntawm polyelecyrolytes lossis aluminium in mons hauv pulp. Lawv kuj tseem tuaj yeem ua rau cov pab pawg hydrophobic los ua kom haum rau sab nraud, txo qis ntawm lub zog saum npoo av. Piv txwv ntawm cov surfactants xws li 1 (. 9 'aminoethyl). 2. Kaum xya alkyl imidazoline carboxylic acid derivatives. Tsis tas li ntawd, ob qho tib si cationic thiab amphoter surfactants muaj cov khoom thiab cov khoom siv bactericidal thiab cov tuaj yeem tiv thaiv cov ntawv ntawm cov pwm.

Organosilicon surfactants muaj rau tshwj xeeb surfactants, thiab cationic Organosilic Salts yog tsuas yog siv ua cov muag. Tseem muaj ntau ntau lwm hom softeners, xws li stearic acid polyoxenylene ester, polyoxyethylene lanolin, emulsified ciab, thiab lwm yam.

Mos muag rau papermaking

Softness hais txog kev muaj peev xwm ntawm surfactants los ua cov pab pawg hydrophobic nyob rau saum npoo ntawm cov khoom siv fiber ntau, yog li ua tiav qhov kev ua kom du thiab muag. Sulfuric acid vinegar, sulfonated Castor roj, thiab lwm yam anionic survactants ua pov thawj thaum cov nyhuv muag muag thaum cov kab ke.

Cov pab pawg cationic hauv Cationic Surfactants tuaj yeem ncaj qha nrog cov pab pawg tsis zoo ncaj qha, thaum hydrophobic pab pawg ntawm cov fibers, ua rau muaj kev hloov pauv tshwj xeeb. Fatty acid bisamide epichlorohydin feem ntau yog siv rau cov ntawv nrog cov ntaub hoob nab, xws li daim ntawv so quav, xws li daim ntawv so, huv si, napkins, thiab lwm yam.

Bipolar ionic surfactants muaj ntau cov kev siv. Lawv pawg cationic tuaj yeem tsim daim ntawv cog lus nrog cov fibers, thaum lawv pawg anionic tuaj yeem khi nrog cov fibers los ntawm polyelecyrolytes lossis aluminium in mons hauv pulp. Lawv kuj tseem tuaj yeem ua rau cov pab pawg hydrophobic los ua kom haum rau sab nraud, txo qis ntawm lub zog saum npoo av. Piv txwv ntawm cov surfactants xws li 1 (. 9 'aminoethyl). 2. Kaum xya alkyl imidazoline carboxylic acid derivatives. Tsis tas li ntawd, ob qho tib si cationic thiab amphoter surfactants muaj cov khoom thiab cov khoom siv bactericidal thiab cov tuaj yeem tiv thaiv cov ntawv ntawm cov pwm.

Organosilicon surfactants muaj rau tshwj xeeb surfactants, thiab cationic Organosilic Salts yog tsuas yog siv ua cov muag.

Tseem muaj ntau ntau lwm hom softeners, xws li stearic acid polyoxenylene ester, polyoxyethylene lanolin, emulsified ciab, thiab lwm yam.

Antistatic Tus Neeg Sawv Cev

Hauv kev tsim cov ntawv tshwj xeeb, qee zaum kev tawm tsam cov teeb meem qub qub yuav ntsib. Siv surfactants los kho cov kua tuaj yeem tsim cov khoom siv hydrophilic sab nraud. Ntawd yog, raws li anti-anti-zoo nkauj tus neeg sawv cev, surfactant ua cov adsorption zoo nyob rau saum npoo ntawm cov khoom, sib sau ib pawg hydropobic ntawm cov khoom saum npoo. Hydrophilic pawg txuas ntxiv mus rau hauv qhov chaw, nce ion ua kom haum rau cov fulomena thiab kev txo qis hauv cov hluav taws xob hluav taws xob. Surfactants siv raws li anti-zoo li qub cov neeg sawv cev muaj cov pab pawg hydrophobic loj thiab muaj zog hydrophilic pawg. Lub cationic surfactants muaj kev siv siab tshaj plaws thiab kev ua tau zoo tshaj plaws, ua raws li Amphoteric surfactants.

Fiber dispersant

Lub luag haujlwm tseem ceeb ntawm fiber hlau yog los txo flocculation thiab txhim kho cov ntawv sib sau. Fiber fiber dispidants tuaj yeem ua tus qauv bilayer rau saum npoo ntawm cov fibers. Lub ncov qaumteb qabteb kawg ntawm sab nraud dispersant muaj kev sib txawv nrog dej, nce qib ntawm cov dej ntub dej los ntawm dej thiab pleev cov hluav taws xob zoo li qub. Feem ntau siv fiber ntau dispidants suav nrog cov roj polyacryzed (PEO) Ntxiv tsawg dua 0.05% rau cov ntaub so ntswg siab tuaj yeem ua tiav cov nyhuv zoo.

Daim ntawv thov ntawm nto sizing thiab txheej hauv papermaking

Nto sizing thiab txheej ob leeg koom nrog cov tshuaj siv rau saum npoo av, feem ntau ua kom nws cov khoom lag luam saum npoo av, txhim kho nws qhov kev luam ntawv, thiab tag nrho kev ncaj ncees. Tab sis muaj ntau qhov sib txawv ntawm ob, qhov sib txawv tseem ceeb yog qhov chaw saum npoo av no feem ntau tsuas yog siv cov nplaum, thaum siv cov nplaum thiab cov pigments; Cov nplaum siv rau cov txheej saum npoo av tau nias rau hauv daim ntawv, thaum cov xim pleev ua ntawv thov rau saum npoo ntawm daim ntawv.

Surfactants rau nto sil

Raws li cov khoom siv, nws tuaj yeem faib ua cov khoom ntuj thiab hloov kho thiab cov khoom siv hluav taws xob; Raws li cov cuab yeej ionic, nws tuaj yeem faib ua anionic, cationic thiab tsis-ionic hom; Raws li daim ntawv foos, nws tuaj yeem faib ua cov hom tshuaj uas muaj kua txob thiab cov tshuaj pleev ntau. Cov pab pawg ua kom zoo li qub muaj hydrophobic thiab hydrophilic pawg, yog li kev hais lus dav dav, lawv yog txhua tus surfactants. Lub ntsiab saum cov sizing cov neeg sawv cev suav nrog hloov cov hmoov txhuv nplej siab, pva), carboxymethyl cellulose (cmc), thiab polyacrylamide (PAM). Txawv txawv cov chaw muag khoom sib txawv tuaj yeem raug xaiv raws li cov kev xav tau sib txawv. Piv txwv li: ① txhawm rau txhim kho cov dej tsis kam, AKD, dispomin, Stromium croker, thiab lwm cov hluavtaws resin latex tuaj yeem siv; Txhawm rau txhim kho cov roj tsis kam, organic fluorinated cov tebchaw acrylate coppium complexes, perfluorooctoCes, perfluorooctanes ④ Txhim kho kev luam ntawv, feem ntau yog siv cov hmoov txhuv nplej siab, cmv, thiab ntub dej ua kom qhuav thiab muaj zog kom qhuav, thiab lwm yam ntaub ntawv yog siv. Txhawm rau txhim kho cov nyhuv suazing saum npoo av, nws yog ib txwm siv ob lossis ntau dua cov neeg sawv cev ua ke, thiab cov nyhuv yog qhov tseem ceeb heev.

TXHEEJ TXHEEM SURFACTANANS

Qhov muaj pes tsawg leeg rau txheej txheej tshwj xeeb suav nrog cov nplaum, cov pigments, thiab lwm yam ntxiv. Qhov txheej nws tus kheej yog qhov sib xyaw ua ke, thiab nws txawv nyob ntawm cov ntawv uas muaj thiab cov mis muaj pes tsawg leeg. Surfactants ua si lub luag haujlwm tseem ceeb hauv cov qauv txheej txheem, feem ntau yog suav nrog cov tshuaj khib nyiab, tshuaj tiv thaiv zoo li qub, thiab hluavtaws looj.

Txheej Dispersant: Nws yog qhov tseem ceeb tshaj plaws hauv cov txheej txheej, feem ntau yog surfactants. Nws cov kev ua tau yog kom muaj xim pleev xim rau cov nqi nrog cov nqi, ua rau lawv los ua kom tsim kev quab yuam ua ke; Siv cov nplaim ntawm cov xim xim, nws ua raws li kev tiv thaiv kev tiv thaiv; Form Ua lub xeev muaj viscosity siab nyob ib ncig ntawm cov lus kom tiv thaiv ntau yam los ntawm aggregating. Qhov ntxov tshaj plaws uas siv tau phosphates, polysilicates, diamonds hydrogen, thiab cov sodium tetraphost, thiab cov sodium tetraphosthate yog cov neeg siv dag zog tsis muaj cov ntsiab lus zoo. Nyob rau hauv cov ntsiab lus zoo cov txheej txheem, qhov hnyav molecular hnyav organic dispersants xws li alkyllas ethydre ether thiab rog rog polyoxyethylene ether yog feem ntau siv.

Defoamer: Ua Npuas Ncauj yog feem ntau tsim nyob rau hauv cov txheej txheem ntawm txheej npaj thiab txheej, thiab defosamer xav tau ntxiv. Muaj ntau cov cawv ntau dua, cov roj ua rog, kev siv tsiaj ua kua qaub, tripropyl phosphate, thiab lwm yam.

Cov roj nplua nyeem: txhawm rau txhim kho cov kua dej thiab lubricity ntawm cov ntawv txheej txheem, txhim kho cov duab nplaum, kom ua kom cov ntawv tshaj tawm, thiab txhim kho cov ntawv luam tawm ntawm coated ntawv, thiab roj nplua nyeem tau ntxiv. Tam sim no dav siv cov dej roj nplua nyeem tam sim no yog dej-soluble hlau surfactants sawv cev los ntawm calcium stearate, thiab sodium stearate dej-solomre stearate dej-solomre stearate dej-soluble stearate dej-solomre stearate dej-solomre stearate dej-solomre stearate dej-solom ci ci quav dej Parsaffin hydrocarbons thiab cov roj ua roj tawv kuj tseem siv tau ua cov roj nplua nyeem.

Cov tshuaj tiv thaiv: Qee cov nplaum nplaum uas muaj kev cuam tshuam rau cov txha caj qaum thiab cov pwm loj hlob, yog li tiv thaiv tus txha corrosion yuav tsum tau muab ntxiv rau cov ntawv txheej txheej. Quas ammonium cationic surfactants, tshuaj fluorinated cyclicated sib txawv, organic bromine thiab sullame brounds, n - (carbendazate (etc. tau siv dav hauv cov ntawv txheej txheem.

Antistatic Tus Neeg Sawv Cev: Los ntawm kev ntxiv cov tshuaj yeeb yaj kiab ntawm cov tshuaj fluoramthwj

Khoom cua ntsiav: hluavtaws hluavtx yog ib qho tseem ceeb txheej nplaum. Nyob rau hauv cov txheej txheem npaj ntawm hluavtaws zoo, surfactants ua si lub luag haujlwm tseem ceeb ua emulsifiers, dispersifiers, stabilizers, thiab lwm yam.
#Chemical chaw tsim khoom #
#Teverile auxiliary #
#Textile tshuaj #
#silicone softener #
#silicone chaw tsim khoom #