Super absorbent polymers tau tsim nyob rau xyoo 1960s. Xyoo 1961, Northern Research Institute ntawm US Department of Agriculture grafted starch to acrylonitrile for the first time to make a HSPAN starch acrylonitrile graft copolymer that over traditional water-absorbing materials. Xyoo 1978, Nyiv Sanyo Chemical Co., Ltd. tau coj cov khoom siv super absorbent polymers rau cov ntaub so ntswg pov tseg, uas tau nyiam cov neeg tshawb fawb los ntawm thoob plaws lub ntiaj teb. Nyob rau xyoo 1970s, UCC Corporation ntawm Tebchaws Meskas tau thov kom hla-txuas txuas ntau yam olefin oxide polymers nrog kev kho hluav taws xob, thiab cov khoom siv hluav taws xob uas tsis yog-ionic super absorbent polymers nrog lub peev xwm nqus dej ntawm 2000 zaug, yog li qhib qhov kev sib txuas ntawm non-ionic. super absorbent polymers. Qhov rooj. Xyoo 1983, Sanyo Chemicals ntawm Nyiv Pooj tau siv cov poov tshuaj acrylate nyob rau hauv lub xub ntiag ntawm diene tebchaw xws li methacrylamide rau polymerize superabsorbent polymers. Tom qab ntawd, lub tuam txhab tau tsis tu ncua tsim ntau yam superabsorbent polymer systems tsim los ntawm hloov pauv polyacrylic acid thiab polyacrylamide. Thaum kawg ntawm lub xyoo pua xeem, cov kws tshawb fawb los ntawm ntau lub teb chaws tau ua tiav thiab ua kom cov polymers superabsorbent loj hlob sai hauv cov tebchaws thoob plaws ntiaj teb. Tam sim no, peb pawg tsim khoom loj ntawm Nyiv Shokubai, Sanyo Chemical thiab Stockhausen ntawm lub teb chaws Yelemees tau tsim ib qho xwm txheej peb-legged. Lawv tswj 70% ntawm lub ntiaj teb kev ua lag luam niaj hnub no, thiab lawv ua haujlwm sib koom ua ke thoob ntiaj teb los ntawm kev koom tes hauv kev lag luam los ua lag luam high-end ntawm txhua lub teb chaws hauv ntiaj teb. Txoj cai muag dej-absorbing polymers. Super absorbent polymers muaj ntau yam kev siv thiab kev siv dav heev. Tam sim no, nws txoj kev siv tseem ceeb tseem yog cov khoom siv tu cev, suav txog li 70% ntawm tag nrho cov lag luam.
Txij li thaum sodium polyacrylate superabsorbent resin muaj peev xwm nqus dej zoo thiab kev tuav dej zoo, nws muaj ntau yam kev siv los ua cov dej tuav hauv av hauv kev ua liaj ua teb thiab hav zoov. Yog hais tias ib tug me me ntawm super absorbent sodium polyacrylate yog ntxiv rau hauv av, germination tus nqi ntawm ib co taum thiab drought tsis kam ntawm taum sprouts tuaj yeem txhim kho, thiab huab cua permeability ntawm cov av tuaj yeem txhim kho. Tsis tas li ntawd, vim yog hydrophilicity thiab zoo heev los tiv thaiv fogging thiab anti-condensation zog ntawm super absorbent resin, nws tuaj yeem siv los ua cov khoom ntim tshiab. Lub ntim zaj duab xis ua los ntawm cov khoom tshwj xeeb ntawm super absorbent polymer tuaj yeem tswj cov khoom noj tshiab. Ntxiv me me ntawm super absorbent polymer rau cov tshuaj pleev ib ce kuj tuaj yeem ua rau kom cov viscosity ntawm emulsion, uas yog ib qho zoo tagnrho thickener. Siv cov yam ntxwv ntawm super absorbent polymer uas tsuas yog nqus dej tab sis tsis yog roj lossis cov kuab tshuaj organic, nws tuaj yeem siv los ua tus neeg sawv cev lub cev qhuav dej hauv kev lag luam.
Vim tias super absorbent polymers tsis muaj tshuaj lom, tsis ua rau tib neeg lub cev, tsis muaj kev cuam tshuam, thiab tsis yog ntshav coagulation, lawv tau siv dav hauv cov tshuaj hauv xyoo tas los no. Piv txwv li, nws yog siv rau cov tshuaj pleev ib ce uas muaj dej ntau thiab xis siv; los tsim cov ntaub qhwv kho mob thiab cov paj rwb uas tuaj yeem nqus tau los ntshav thiab tso tawm los ntawm kev phais thiab kev raug mob, thiab tuaj yeem tiv thaiv suppuration; los tsim cov tshuaj tiv thaiv kab mob uas tuaj yeem hla dej thiab tshuaj tab sis tsis muaj kab mob. Kab mob ntawm daim tawv nqaij, thiab lwm yam.
Nrog rau kev txhim kho kev tshawb fawb thiab thev naus laus zis, kev tiv thaiv ib puag ncig tau nyiam ntau thiab ntau dua. Yog hais tias lub super absorbent polymer yog muab tso rau hauv ib lub hnab uas yog soluble nyob rau hauv dej phwj tuaj, thiab lub hnab ntim rau hauv cov dej phwj tuaj, thaum lub hnab yog yaj, super absorbent polymer tuaj yeem nqus cov kua sai sai rau cov dej phwj tuaj.
Hauv kev lag luam hluav taws xob, super absorbent polymers kuj tseem siv tau los ua cov av noo sensors, ntsuas dej noo, thiab cov dej xau detectors. Super absorbent polymers tuaj yeem siv los ua cov hlau hnyav ion adsorbents thiab cov khoom siv roj-absorbing.
Nyob rau hauv luv luv, super-absorbent polymer yog ib yam ntawm cov khoom siv polymer nrog ntau yam kev siv. Txoj kev loj hlob ntawm super-absorbent polymer resin muaj peev xwm ua lag luam loj. Xyoo no, nyob rau hauv cov xwm txheej ntawm drought thiab dej nag tsawg nyob rau hauv feem ntau ntawm sab qaum teb kuv lub teb chaws, yuav ua li cas ntxiv txhawb thiab siv superabsorbent polymers yog ib txoj hauj lwm tseem ceeb uas ntsib cov kws tshawb fawb txog kev ua liaj ua teb thiab hav zoov thiab cov kws tshaj lij. Thaum lub sij hawm qhov kev siv ntawm Western Development Strategy, nyob rau hauv kev ua hauj lwm ntawm kev txhim kho cov av, vigorously tsim thiab siv ntau yam tswv yim ua hauj lwm ntawm super absorbent polymers, uas muaj tiag tiag kev sib raug zoo thiab muaj peev xwm nyiaj txiag kev pab cuam. Zhuhai Demi Chemicals npog thaj tsam ntawm ntau tshaj 30,000 square meters. Nws tshwj xeeb hauv kev tshawb fawb thiab kev tsim kho thiab tsim cov khoom siv super absorbent (SAP) ntsig txog cov khoom. Nws yog thawj lub tuam txhab domestic koom nrog super absorbent resins uas integrates scientific research, ntau lawm, muag, thiab kev pab cuam. high-tech enterprises. Lub tuam txhab muaj kev ywj pheej cov cuab yeej cuab tam, kev tshawb fawb thiab kev loj hlob muaj peev xwm, thiab niaj hnub tsim cov khoom tshiab. Qhov project yog suav nrog hauv lub teb chaws "tshwj xeeb phiaj xwm" thiab tau txais kev qhuas ntau zaus los ntawm tsoomfwv hauv tebchaws, xeev thiab nroog.
Daim ntawv thov cheeb tsam
1. Kev siv hauv kev ua liaj ua teb thiab ua teb
Lub super absorbent resin siv nyob rau hauv kev ua liaj ua teb thiab horticulture tseem hu ua dej-retaining tus neeg saib xyuas thiab cov av txias. kuv lub teb chaws yog ib lub teb chaws muaj dej tsis txaus nyob ntiaj teb no. Yog li ntawd, kev siv cov tshuaj tiv thaiv dej tau dhau los ua qhov tseem ceeb. Tam sim no, ntau tshaj li kaum ob lub koom haum tshawb fawb hauv tsev tau tsim cov khoom siv super absorbent resin rau nplej, paj rwb, roj, thiab qab zib. , Haus luam yeeb, txiv hmab txiv ntoo, zaub, hav zoov thiab lwm yam ntau tshaj li 60 hom nroj tsuag, thaj tsam nce siab tshaj 70,000 hectares, thiab siv super absorbent resin nyob rau hauv Northwest, Inner Mongolia thiab lwm qhov chaw rau loj-thaj tsam xuab zeb tswj greening afforestation. Lub super absorbent resins siv nyob rau hauv no nam yog tsuas yog starch grafted acrylate polymer cross-linked khoom thiab acrylamide-acrylate copolymer cross-linked khoom, nyob rau hauv uas cov ntsev tau hloov los ntawm sodium hom mus rau hom poov tshuaj. Cov txheej txheem tseem ceeb yog siv cov noob hnav khaub ncaws, tshuaj tsuag, daim ntawv thov lub qhov, los yog soaking cov hauv paus hniav tom qab sib tov nrog dej los ua ib tug muab tshuaj txhuam. Nyob rau tib lub sijhawm, super absorbent resin tuaj yeem siv los npog cov chiv thiab tom qab ntawd fertilize, thiaj li muab kev ua si tag nrho rau kev siv tus nqi ntawm cov chiv thiab tiv thaiv cov khib nyiab thiab cov pa phem. Cov teb chaws txawv teb chaws kuj siv super absorbent resin ua cov khoom ntim tshiab rau txiv hmab txiv ntoo, zaub thiab zaub mov.
2. Kev siv hauv kev kho mob thiab kev huv huv feem ntau yog siv cov ntaub so ntswg huv, cov ntaub so ntswg menyuam yaus, cov ntaub so ntswg, cov hnab ntim dej khov kho mob; gel zoo li cov khoom siv tshuaj tsw qab rau kev siv txhua hnub los kho qhov chaw. Siv los ua cov khoom siv kho mob rau cov tshuaj pleev, tshuaj pleev, liniments, cataplasms, thiab lwm yam, nws muaj cov haujlwm ntawm moisturizing, thickening, daim tawv nqaij infiltration thiab gelation. Nws kuj tseem tuaj yeem ua rau cov neeg nqa khoom ntse uas tswj hwm cov tshuaj tso tawm, lub sijhawm tso tawm, thiab tso tawm qhov chaw.
3. Daim ntawv thov hauv kev lag luam
Siv lub luag haujlwm ntawm super absorbent resin nqus dej ntawm qhov kub thiab txias thiab tso dej ntawm qhov kub thiab txias los ua tus neeg sawv cev muaj dej noo. Hauv cov roj av roj rov ua haujlwm, tshwj xeeb tshaj yog nyob rau hauv cov qub oilfields, kev siv ultra-high molecular hnyav polyacrylamide aqueous daws rau cov roj hloov pauv tau zoo heev. Nws kuj tseem siv tau rau lub cev qhuav dej ntawm cov kuab tshuaj organic, tshwj xeeb tshaj yog rau cov kuab tshuaj organic uas tsis muaj polarity. Kuj tseem muaj cov thickeners, dej-soluble xim, thiab lwm yam.
4.Daim ntawv thov hauv kev tsim kho
Cov khoom siv ceev ceev uas siv hauv cov dej txuag dej yog cov ntshiab super absorbent resin, uas yog tsuas yog siv rau plugging ntawm lub pas dej tunnels thaum lub caij dej nyab, thiab ntsaws dej rau prefabricated pob qij txha ntawm hauv qab daus, tunnels thiab subways; siv rau hauv nroog dej phwj kho thiab dredging tej yaam num Cov av nkos yog solidified los pab txhawb excavation thiab kev thauj mus los.
Post lub sij hawm: Dec-08-2021