Yuav ua li cas kuv lub teb chaws cov ntaub ntawv fiberglass kev lag luam yuav ua kom tiav thiab cov phiaj xwm phiaj xwm rau yav tom ntej?
Nyob rau hauv xyoo tas los no, nrog kev txhim kho kev lag luam thiab kev vam meej, kev thov rau cov khoom siv tshiab hauv kev tsim khoom thiab kev ua neej nyob niaj hnub tau nthuav dav ntxiv, ob qho tib si ntawm ntau yam thiab kev ua haujlwm. Hauv kev lag luam ntawv, cov khoom siv raw rau cov ntawv tshwj xeeb kuj tau nthuav dav. Cov iav fiber ntau, raws li tus neeg sawv cev ntawm inorganic fibers, tau maj mam nyiam cov neeg siv thoob plaws hauv daim ntawv kev lag luam vim nws cov khoom tshwj xeeb piv rau cov nroj tsuag fibers thiab lwm yam hluavtaws fibers, dhau los ua cov khoom siv tshiab rau kev tsim thiab tsim cov khoom tshwj xeeb.
1. Cov yam ntxwv ntawm Fiberglass
Fiberglass yog ib yam tshiab ntawm kev ua haujlwm thiab cov khoom siv hauv cov khoom siv tsis zoo uas tsis yog-cov ntaub ntawv hlau. Nws cov khoom tseem ceeb yog silicon dioxide, thiab nws kuj muaj oxides ntawm ntau lwm yam macronutrients, xws li calcium, boron, sodium, potassium, thiab txhuas. Tam sim no, txoj kev tsim khoom tseem ceeb rau iav fiber ntau yog txoj kev crucible thiab txoj hauv kev tank rauv. Feem ntau, iav fiber ntau muaj pob tshab thiab du cylindrical zoo li nrog lub voj voog zoo kawg nkaus -section. Nws qhov ceev yog feem ntau nyob ib ncig ntawm 2.50-2.70 g / cm³, feem ntau nyob ntawm cov iav muaj pes tsawg leeg. Lub zog tensile ntawm iav fiber ntau tshaj li ntawm lwm yam ntuj fibers, hluavtaws fibers, thiab ntau yam ntaub ntawv alloy, thaum nws cov dej nqus dej tsawg dua li ntawm ntuj thiab txiv neej-ua fibers. Cov iav fiber ntau kuj muaj qhov kub tsis kam, nrog rau qhov kub thiab txias ntawm 550-750 degree. Nws kuj nthuav tawm cov khoom siv hluav taws xob zoo heev thiab cov khoom siv dielectric, ua rau nws tsim nyog rau ntau yam ntaub ntawv insulating, radomes, thiab lwm yam. Tsis tas li ntawd, nws zoo heev suab rwb thaiv tsev thiab nqus cov khoom tso cai rau nws cov khoom siv rau hauv ntau yam khoom siv acoustic. Txawm li cas los xij, iav fiber ntau yog cov khoom siv nkig uas muaj qhov elongation tsawg heev thaum tawg, uas ua rau muaj qhov yooj yim los yog siab brittleness - ib qho tseem ceeb yam ntxwv.
Fiberglasstuaj yeem raug cais raws li nws cov ntsiab lus alkali rau hauv alkali-dawb fiber ntau (feem ntau hu ua E- iav), nruab nrab-alkali fiber, siab-alkali fiber, thiab tshwj xeeb iav fiber. Thawj peb hom yog feem ntau siv hauv kev lag luam ntawv. Alkali-dawb iav fiber ntau yog tsim rau epoxy tooj liab- clad laminates thiab hluav taws xob rwb thaiv tsev khoom; nruab nrab-alkali iav fiber ntau yog tsim rau kev ua haujlwm tsis tu ncua ntawm lub tshuab lossis tes nteg- mus rau tsim cov ntawv, kav dej, tso tsheb hlau luam, nkoj, da dej, thiab lwm yam.; siab-alkali iav fiber ntau yog tsim rau cov roj teeb cais, cov ntaub ntawv tiv thaiv vov tsev, thiab lwm yam.
2. Kev tsim cov ntawv fiberglass
2.1 Kev tsim cov ntawv fiberglass
Fiberglass-raws li nyias cov khoom siv ua los ntawm cov ntaub ntawv ntub dej tuaj yeem hu ua iav fiber ntau. Cov txheej txheem tsim ntawm daim ntawv no txawv me ntsis los ntawm kev ua ntawv zoo tib yam. Nws siv iav fibers, uas yog maj mam loosened, thiab binders ntxiv, los yog ib co chemical wood pulp ntxiv. Tom qab ntawd nws yog tsim los ntawm lub tshuab plaub hau los yog lub tog raj kheej papermaking. Silica gel lossis colloidal alumina kuj tuaj yeem muab ntxiv los txhim kho lub zog ntawm daim ntawv tiav. Feem ntau, iav fiber ntau ntawv tsis tas yuav tsum tau pulping thaum lub sij hawm tsim khoom; tsuas yog xav tau dispersion. Vim yog qhov xwm txheej ntawm cov iav fibers, nias feem ntau tsis tas yuav tsum tau tom qab tsim daim ntawv.
Nyob rau hauv lub microscope, iav fibers zoo li iav rods; txhua fiber ntau yog tawv, slender, thiab muaj qhov ntev loj - rau - dav piv. Qhov saum npoo ntawm cov fibers no tseem nqa cov nqi hluav taws xob. Yog li ntawd, ua ntej papermaking, thaum npaj lub pulp, cov fibers yooj yim entangle, tsim ib tug loj tus naj npawb ntawm nyuaj - mus rau - disperse fiber clumps. Txawm tias tom qab lub sijhawm luv luv ntawm kev daws teeb meem, flocculation tshwm sim, cuam tshuam rau qhov sib xws ntawm cov ntawv iav fiber ntau. Txhawm rau kom muaj kev sib kis zoo ntawm cov iav fiber ntau slurry thaum lub sijhawm ua ntawv, cov kev ntsuas hauv qab no feem ntau tuaj yeem ua: (1) Kho cov pH ntawm kev ncua siv cov kua qaub dilute, feem ntau pH =2.5 ~ 3.0 yog haum; (2) Txo cov slurry concentration txog li 0.2%; (3) Txhim kho qhov ntub dej ntawm cov iav fiber ntau siv cov tshuaj dispersants lossis lwm yam tshuaj; (4) Kho cov dej dawb ncig.
Fiberglass muaj ib tug du nto, tsis muaj fiber ntau fracturing, thiab tsis muaj -OH pawg uas tuaj yeem tsim hydrogen bonds ntawm fiber ntau. Yog li ntawd, nws tsis tuaj yeem tsim lub zog hauv daim ntawv thaum tsim thiab ziab. Txhawm rau kom ntseeg tau tias cov iav fiber ntau tuaj yeem cuam tshuam nrog cov fibers sib xyaw thaum lub sijhawm ua ntawv, cov iav fiber ntau feem ntau pretreated, los yog cov ntawv tsim web yog txau los yog impregnated nrog kua nplaum. Lub luag haujlwm tseem ceeb ntawm pretreatment yog muab cov iav fiber ntau zoo sib xws, cov tuab tuab, thiab tsis muaj qhov cuam tshuam fiber ntau ntawm qhov chaw. Tom qab- kev kho mob xws li tshuaj tsuag lossis impregnation feem ntau ua rau lub zog zoo dua lossis lwm yam khoom tshwj xeeb rau daim ntawv. Liao Li et al. kawm txawv lub cev thiab tshuaj txoj hauv kev rau saum npoo kho cov iav fibers, thiab ib txhij siv cov iav fiber ntau los ntawm kev ntxiv cov kua qaub, pulped cog fibers, thiab cov neeg ua haujlwm txhawb zog. Ntxiv pulped cog fibers thiab cov neeg sawv cev txhawb zog ua rau cov iav fiber ntau ntxiv. Luo Guo et al. tshawb nrhiav qhov kev ua tau zoo ntawm cov iav fiber ntau thiab cov nroj tsuag fiber ntau sib xyaw thiab muab tau qhov kev sib raug zoo ntawm cov concentration ntawm tus neeg saib xyuas kev kho mob, qhov sib xyaw ntawm cov iav fibers, thiab cov khoom siv lub cev ntawm cov ntawv tiav.
2.2 Cov txheej txheem ziab ntawm cov ntawv fiberglass
Vim cov iav fibers yog nkig thiab tsis yooj yim, iav fiber ntau tsis tshua muaj txheej txheem nias. Qhov no ua rau cov ntaub ntawv ntub dej nrog ntau cov dej noo nkag mus rau hauv cov txheej txheem ziab. Txhawm rau daws qhov teeb meem ntawm cov dej noo siab thaum ziab, lub tshuab nqus tsev feem ntau yog siv los tshem tawm qee cov dej noo ua ntej cov ntawv ntub dej nkag mus rau hauv cov txheej txheem ziab.
Txhawm rau txhim kho lub zog lossis ua tau raws li lwm cov kev thov tshwj xeeb, daim ntawv iav fiber ntau yuav tsum tau ntxiv cov binders thaum lub sij hawm papermaking txheej txheem los yog resin impregnation tom qab tsim, ua rau cov muaj pes tsawg leeg ntawm cov ntaub ntawv ntub dej web complex. Txhawm rau tshem tawm cov dej noo ntau los ntawm cov ntawv fiberglass hauv ib lub sijhawm luv luv thaum ua kom cov ntawv du, muaj zog nrog kev faib tawm thiab kev khaws cia siab ntawm cov binders lossis resins, yuav tsum muaj txoj kev ziab tshwj xeeb. Microwave ziab thiab cua kub nkag mus kom qhuav yog ob txoj kev siv los ziab cov ntawv fiberglass.
Microwave ziab tuaj yeem ua tiav qhov kev ziab sai sai hauv cov ntawv ntub dej. Qhov no yog vim hais tias thaum lub sij hawm microwave kom qhuav, qhov kub thiab txias gradient thiab noo noo gradient nyob rau hauv tib txoj kev, uas ua rau cov cua kub zoo ib yam thiab loj hloov. Qhov no txhawb nqa sai evaporation ntawm noo noo nyob rau hauv daim ntawv fiberglass, tsim ib tug sab hauv siab gradient uas tso cai rau ya raws sai sai diffuse rau saum npoo thiab evaporate, ho shortening lub sij hawm kom qhuav. Txawm li cas los xij, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias lub sij hawm ziab microwave yuav tsum tsis txhob ntev dhau, feem ntau tsis pub dhau 30 vib nas this, vim tias lub microwave ntev ntev tuaj yeem ua rau daim ntawv shrinkage thiab deformation, ua rau nto wrinkles thiab cuam tshuam rau qhov zoo ntawm daim ntawv tiav. Fiberglass yog hydrophobic, thiab cov ntawv ua tau yog ntxeem tau thiab tsis zoo ntawm cov cua sov. Raws li cov xwm txheej tiag tiag ntawm cov ntawv iav fiber ntau, ua kom zoo dua ntawm nws qhov tsis muaj cua permeability tsis kam, cua kub tso cai rau nkag mus rau hauv daim ntawv web thiab ncaj qha hu rau cov dej noo adsorbed ntawm daim ntawv iav fiber ntau. Cov huab cua kub, ntawm ib qho kev ceev, txo qhov vapor ib nrab siab ntawm lub interface, ua kom yooj yim ya raws evaporation. Cov cua kub tam sim ntawd tshem tawm cov evaporated noo noo, thiab tsis muaj saturated vapor txheej ntawm lub interface uas cuam tshuam cov evaporation; qhov no yog hu ua "kev nkag mus kom qhuav," uas ua rau kom qhuav efficiency. Kev xaiv cov cua kub kub kuj tseem ceeb heev thaum lub sij hawm cua kub ziab. Txhawm rau kom ntseeg tau qhov kev pom zoo ntawm cov binders sib txawv lossis cov khoom siv ntxiv, qhov ziab kub sib txawv rau ntau hom iav fiber ntau ntawv. Feem ntau, qhov ziab ntawm cov iav fiber ntau tsis qis dua 130 degree, thiab qee qhov yuav tsum tau 180-200 degree.
3. Cov ntaub ntawv fiberglass ntau
Fiberglass lev, tseem hu ua iav fiber ntau daim ntawv, yog tsim los ntawm luv luv strands ntawm iav fiber ntau filaments random thiab tusyees faib mus rau hauv tas li iav fiber los xij uas siv cov txheej txheem papermaking, thiab ces sib txuas ua ke nrog ib tug emulsion.
3.1 Ultrafine iav Fiber Lim Ntawv
Ultrafine iav fiber ntau lim ntawv yog hom tshiab ntawm siab -tech lim ntawv. Tsis zoo li cov ntawv lim zoo tib yam ua los ntawm cov nroj tsuag fibers, iav fiber ntau lim ntawv yog ib daim ntawv tshwj xeeb uas ua los ntawm ultra-cov iav fiber ntau siv cov txheej txheem tshwj xeeb papermaking thiab tom qab ua tiav. Nws yog feem ntau siv rau kev ua kom huv ntawm huab cua. Cov iav fiber ntau lim ntawv nta zoo isotropy, zoo li pore loj faib, me me qhov hnyav sib txawv, kub tsis kam, nplaim hluav taws kub, dej tsis kam, thiab av siab heev - tuav lub peev xwm.
Cov iav fiber ntau cua lim ntawv yog tsim los ntawm cov iav fiber ntau siv cov txheej txheem ntub dej -, ua rau nws yog cov khoom siv cua zoo tshaj plaws. Cov khoom raug categorized rau hauv peb lub ntsiab series raws li pom efficiency: qhov cua (ASHRAE); nruab nrab thiab high efficiency (HEPA); thiab ultra-kev ua haujlwm siab (ULPA). Lub tshuab cua dav dav iav fiber ntau lim ntawv thiab nruab nrab ua haujlwm huab cua iav fiber ntau lim ntawv yog siv dav hauv cov tshuab cua txias, roj turbines, thiab cua compressors. Hom iav fiber ntau lim ntawv no yog tsim los ntawm kev kho cov fiber ntau nrog cov tshuaj additives thiab sib txuas cov ntaub ntawv ntshiab. Cov khoom uas tshwm sim muaj kev ua haujlwm siab, tsis muaj zog, thiab folding kuj. Tshwj xeeb tshaj yog nyob rau hauv qis tsis kam, qhov pom kev ua tau zoo tuaj yeem ncav cuag 60% -95%, thiab nws kuj muaj qee qhov dej tsis kam, ua rau nws haum rau siab - av noo ib puag ncig. High-kev ua tau zoo ntawm cov huab cua (HEPA) huab cua lim ntawv feem ntau yog siv hauv chav huv lossis chav ua haujlwm txij li Chav Kawm 10,000 mus rau Chav Kawm 100,000, nuclear fais fab nroj tsuag tso cov tshuab, siab- kawg hauv tsev nqus tsev vacuum, cua purifiers, thiab ua pa. Cov khoom no muaj cov dej noo zoo heev thiab dej tsis kam, nrog kev pom kev ua haujlwm ntawm 99.9% txog 99.9999%. Ultra-siab-efficiency particulate air (UHEPA) air filter paper yog tsuas yog siv nyob rau hauv chip factories thiab Class 100, Class 10, thiab Class 1 cleanrooms.
Ordinary cog fiber ntau lim ntawv muaj kev pom zoo ntawm tsuas yog 16% mus rau 87%, nrog rau qhov zoo tshaj plaws permeability ntawm 13%. Hauv qhov sib piv, ultra- iav fiber ntau lim ntawv muaj qhov pom zoo ntawm 99.99995% thiab permeability ntawm 0.00005%. Yog li, qhov pom kev ua haujlwm ntawm ultra- iav fiber ntau lim ntawv yog qhov tshwj xeeb.
3.2 Iav Fiber Roj Teeb Separator Daim Ntawv
Fiberglass separator ntawv yog tsim los ntawm ultra- iav fiber ntau nrog ib txoj kab uas hla ntawm 0.5 mus rau 4 μm uas tsis muaj cov organic binders. Cov ntawv tsis muaj cov iav fiber ntau, ua los ntawm cov txheej txheem papermaking, muaj ntau yam - txheej txheej xav tau- zoo li cov qauv tsim los ntawm cov txheej txheem iav fiber ntau tsim me me, siab - torque dawb raws. Cov tshuab cais no nthuav tawm cov kev ua tau zoo dua qub piv rau cov roj teeb sib cais hauv ntau yam, xws li cov kua dej nqus tau zoo, cov kua nqus dej nrawm nrawm, zoo hydrophilicity, nqus thiab tuav cov electrolyte uas xav tau rau lub roj teeb lub peev xwm, thiab kev saib xyuas ntawm nws cov kua nqus dej siab thoob plaws hauv nws lub neej. Lub caij no, cov iav fiber ntau cais muaj thaj tsam loj, qhov porosity siab, qhov pore me me, cov tshuaj purity siab, thiab ob peb qhov teeb meem impurities, exhibiting zoo heev acid kuj thiab oxidation kuj. Related patents nthuav tawm kev siv cov iav fiber ntau cov ntaub ntawv ua cov substrate rau roj teeb cais daim ntawv, tag nrho leveraging qhov corrosion kuj ntawm iav fiber ntau thiab qhov pore loj ntawm cov iav fiber ntau substrate, tso cai rau kom txaus electrolyte permeation.
Qhov kev ua tau zoo ntawm cov iav fiber ntau cais ntawv yog ze ze rau cov yam ntxwv ntawm iav fiber ntau nws tus kheej. Ultrafine iav fibers muaj cov kab me me, qhov loj ntawm qhov chaw, thiab cov dej ntub dej siab, ua rau cov kua dej nqus tau zoo thiab cov pore me me hauv qhov sib cais, muab kev tiv thaiv zoo rau dendrite nkag. Txawm li cas los xij, qhov no kuj nce qhov kev tiv thaiv, xav tau kev xaiv ntawm kev pom zoo ua ke. Qhov ntev ntawm cov iav fibers kuj cuam tshuam rau qhov sib cais ntawm kev ua haujlwm; Ntev ntev fibers yog qhov nyuaj rau disperse thiab tej zaum yuav flocculate, ua rau ib tug tsis sib haum separator. Yog hais tias lub diaphragm luv dhau, lub uniformity ntawm lub diaphragm yog zoo dua, tab sis lub zog yog tsawg; Yog li ntawd, yuav tsum xaiv qhov ntev ntev uas zoo tshaj plaws.
3.3 Iav Fiber Copper Clad Laminate Ntawv
Fiberglass tooj liab clad laminate ntawv yog tsuas yog siv los ua substrate rau tooj liab clad laminates. Nws muaj qhov zoo sib xws, cov khoom siv hluav taws xob zoo heev, ua haujlwm kub, hnyav ua haujlwm, thiab zoo heev compatibility nrog epoxy resin. Copper clad laminates uas siv cov iav fiber ntau tuaj yeem ua tiav qib kev ua tau zoo piv rau iav ntaub laminates, ua rau lawv tsim nyog rau cov khoom siv hluav taws xob. Tshwj xeeb, iav fiber ntau daim ntawv tshaj tawm zoo tshaj - cov khoom ua kom nws nrov dua hauv kev ua lag luam. Impregnation nrog epoxy resin yog txheej txheem tseem ceeb hauv kev tsim cov iav fiber ntau copper clad laminate ntawv. Lub impregnation muaj ob kauj ruam: ua ntej, cov resin aggregates nyob rau saum npoo ntawm daim iav fiber ntau nrog ib tug tej℃ntawm dryness; Tom qab ntawd, cov resin aggregated ntawm daim ntawv nto maj mam ntws mus rau cov iav fibers. Cov txheej txheem ntawm sizing yuav tsum nkag mus rau hauv lub sizing tov rau hauv cov iav fiber ntau daim ntawv, tshem tawm cov dej noo los ntawm cov ntaub ntawv ntub dej. Cov txheej txheem nkag mus muaj qhov cuam tshuam loj rau cov khoom loj. Kev sim tau pom tias qhov nkag mus yog qhov sib npaug ntawm qhov sib npaug ntawm lub voos xwmfab ntawm fiber ntau; Yog li ntawd, nce qhov nkag mus ntawm cov tshuaj sizing rau hauv cov iav fiber ntau yog txoj hauv kev los txhim kho cov nyhuv sizing. Txoj kev "nqus{10}}pab sizing method" tam sim no yog ib qho kev siv thev naus laus zis. Lub hauv paus ntawm txoj kev no yog nyob rau hauv cov cuab yeej tshwj xeeb uas siv hauv pre- theem impregnation. Nws lub hauv paus ntsiab lus yog: thaum lub sij hawm ua ntej-impregnation, lub tshuab nqus tsev nqus yog siv los nkag mus rau qhov kev daws teeb meem sai ntawm cov iav fiber ntau rau hauv daim ntawv, thaum tib lub sij hawm tshem tawm cov npuas npuas los ntawm cov tshuaj sizing thiab fibers.
4. Kev tsim cov ntawv fiberglass tshiab
Fiberglass yog ua ke nrog softwood fiber, nrog cov iav fiber ntau ua lub cev pob txha los txhim kho lub zog ntawm cov ntawv tiav. Kev sim tau pom tias ntxiv 10% iav fiber ntau rau softwood pulp tuaj yeem txhim kho lub zog ntawm daim ntawv. High - ntawv zoo qhia tau zoo heev tensile thiab lub zog tsim kua muag. Kev ua ntxiv, xws li cov nplaum txau, impregnation, thiab ntau txheej lamination, tso cai rau nws siv los ua cov khoom siv hauv tsev.
Fiberglass ntawv muaj lub suab zoo zoo. Txheej saum npoo ntawm lub hauv paus iav fiber ntau daim ntawv nrog cov xim, cov nplaum, cov nplaim hluav taws, thiab cov khoom sib txuas, ua raws li kev ziab thiab kho, tso cai rau nws siv los ua suab nrov- rwb thaiv tsev thiab nplaim taws- cov khoom siv hluav taws xob hauv tsev thiab kho kom zoo nkauj sab hauv. Dyed iav fiber ntau daim ntawv kuj muaj cov khoom zoo nkauj zoo nkauj. Kev tshawb fawb tau pom tias los ntawm kev txhim kho Johns On-Allard qauv, lub suab nqus ntawm cov iav fiber ntau daim ntawv lev nrog cov porosities sib txawv thiab txawm tias qhov sib txawv fiber ntau tuaj yeem ntsuas tau.
Ib lub tuam txhab Nyij Pooj tau ua tiav cov ntawv iav fiber ntau siv cov txheej txheem papermaking uas tuaj yeem siv los ua cov khoom sib khi hauv tsheb thiab cov khoom siv. Daim ntawv no yog tsim los ntawm calcium carbonate whiskers nrog diameters ntawm 6 μm thiab 0.16 μm. Ua los ntawm μm iav fibers, sepiolite, cellulose pulp, thiab lwm yam, thiab ntxiv dag zog nrog styrene -butadiene roj hmab thiab flocculants.
Lwm lub tuam txhab Nyij Pooj tau tsim cov iav porous fiber reinforced yas raj siv cov txheej txheem ntub dej. Cov txheej txheem tsim khoom muaj feem cuam tshuam cov iav fiber ntau hauv cov resin- muaj dej, ua kom lub cev qhuav dej rau hauv cov nplooj ntawv, winding lawv mus rau hauv lub raj, ntxig rau hauv cov pwm cylindrical, cua sov kom nthuav dav, thiab tom qab ntawd siv nws kom tau cov iav fiber ntau reinforced yas raj. Cov iav fiber reinforced yas raj no muaj lub zog zoo heev thiab tuaj yeem siv rau hauv kev tsim kho, pom, thiab lwm yam.
Fiberglass reinforced flooring cov khaubncaws sab nraud povtseg tuaj yeem tiv thaiv hauv pem teb los ntawm kev tawg lossis shrinking thaum siv. Cov iav tsim ... Tom qab raug txiav rau hauv cov nplooj ntawv, fiberglass ntawv yog sib koom ua ke nrog cov nplaum polymer. Hauv kev siv cov ntaub ntawv, cov ntawv fiberglass nce lub zog, hardness, thiab nruj ntawm cov txheej hauv pem teb, thaum lub polymer nplaum muaj qee qhov elasticity, tiv thaiv deformation los ntawm thermal expansion thiab contraction. Qhov no ua rau nws yog ib qho tshiab thiab zoo tagnrho flooring khoom.
Teb Chaws Asmeskas patent nthuav tawm ib txoj hauv kev siv cov ntawv fiberglass -fab gypsum board los txhawb kev kho kom zoo nkauj ntawm cov plag tsev lossis qab nthab. Daim ntawv fiberglass no yog tsim los ntawm kev sib xyaw iav fibers nrog qhov nruab nrab txoj kab uas hla ntawm 8-17 μm thiab lwm tus txiv neej- ua fibers nrog ib txoj kab uas hla ntawm tsawg dua 5.5 μm, nrog rau cov iav fiber ntau yuav tsum suav rau ntau tshaj 30% ntawm tag nrho cov khoom loj.
Mica yog ib qho tseem ceeb uas tsis yog{0}}hlau ntxhia. Siv tshuab pulping thiab papermaking, mica fragments yuav siv tau los ua raw khoom los tsim ntau yam... Ntau hom mica ntawv muaj. Txawm li cas los xij, tam sim no tsim cov ntawv mica feem ntau muaj lub zog qis, ua rau nws nyuaj rau hloov mus rau siab - lub zog thov ib puag ncig. Patents tau tshaj tawm txog kev siv cov aramid precipitated fibers, luv aramid fibers, los yog ntxiv ntawm tej fibers ntawm txheej ntawm hmoov mica ntawv los txhawb nws. Cov iav fiber ntau nws tus kheej muaj cov khoom siv hluav taws xob zoo thiab lub zog siab, ua rau nws yog ib qho khoom siv zoo heev thiab muaj peev xwm hloov tau rau aramid fibers. Kev tshawb fawb tau ua los ntawm nws qhov kev txhawb zog ntawm daim ntawv mica.
5. Cov ntsiab lus thiab Outlook
Hauv kaum xyoo dhau los, kuv lub teb chaws txoj kev lag luam iav fiber ntau tau txhim kho sai, thiab Tuam Tshoj tau ua haujlwm tsis tu ncua raws li lub ntiaj teb cov neeg tsim khoom loj tshaj plaws thiab cov neeg siv cov iav fiber ntau. Daim ntawv thov ntawm iav fiber ntau hauv kev lag luam papermaking tau maj mam tau txais koob meej nrog txoj kev loj hlob sai ntawm iav fiber ntau kev lag luam. Qhov no tau txais txiaj ntsig tseem ceeb rau pej xeem. kuv lub teb chaws "12th Tsib-Xyoo Plan" rau kev txhim kho cov iav fiber ntau kev lag luam tshwj xeeb hais txog qhov yuav tsum tau siv zog tsim cov khoom siv iav fiber ntau, txuas ntxiv nthuav dav daim ntawv thov ntawm cov iav fiber ntau, tshwj xeeb tshaj yog nyob rau hauv thaj chaw xws li hluav taws kub, tiv thaiv tshav kub, thiab kev txhawb zog. Txoj kev npaj hu rau kev tsim ntau hom khoom los pab txhawb kev siv, txhim kho qhov zoo ntawm iav fiber ntau kev lag luam los ntawm kev nthuav dav daim ntawv thov kev lag luam, thiab nthuav dav thiab sib sib zog nqus daim ntawv thov teb. Qhov no yuav pab txhawb kev sib txuas ntawm iav fiber ntau cov lag luam thiab cov kev lag luam hauv qab, txhawb kev txhim kho thiab kev loj hlob ntawm iav fiber ntau kev lag luam saw. Qhov no muab qhov xav tau ntau dua ntawm kev txhim kho thiab kev ua kom zoo ntawm cov iav fiber ntau hom ntawv.
Functionally leveraging lub hauv paus chiv keeb ntawm cov iav fiber ntau thiab tshawb nrhiav nws ua ke nrog ntau yam papermaking raw cov ntaub ntawv yuav pab kom nws ua tau zoo dua nyob rau hauv cov khoom tshwj xeeb ntawv.
