Brucite hmoov,chemically hu ua magnesium hydroxide (Mg (OH) ₂), hais txog ib qho ntawm cov teeb meem tsis tu ncua nyob rau hauv cov khoom sib xyaw: ua kom muaj kev sib cais tsis sib xws tsis muaj agglomeration. Kev kho deg hloov qhov no ib txwm hydrophilic ntxhia muab tub lim rau hauv qhov sib xws, siab -kev ua tau zoo ntxiv rau polymer matrices.
Hloov kho brucite muab tub lim txhim kho kev sib txuas ntawm kev sib txuas, txhim kho cov khoom siv dag zog, thiab xa cov nplaim hluav taws xob zoo dua hauv cov ntawv thov xws li qis- pa taws halogen- cov cables dawb rau cov khoom siv yas. Kev nkag siab txog cov thev naus laus zis kho mob no txhawb nqa cov kws tshaj lij kev muag khoom rau cov khoom siv uas ua tau raws li cov qauv ntsuas thoob ntiaj teb zoo thaum tswj hwm tus nqi sib tw.
Nkag siab txog Kev Sib Tw Dispersion ntawm Brucite Fillers
Ntuj Brucite hmoov ua rau nws nyuaj rau kev sib xyaw ua ke, uas muaj kev cuam tshuam ncaj qha rau nws qhov kev ua tau zoo. Vim tias cov khoom siv nws tus kheej ua haujlwm li cas thiab nws cuam tshuam nrog cov qauv polymer li cas, cov teeb meem no tshwm sim.
Yog vim li cas agglomeration tshwm sim nyob rau hauv Untreated Brucite
Vim hais tias Brucite hmoov muaj lub zog saum npoo av, muaj zog intermolecular rog ntawm lawv. Thaum cov rog no ntxiv rau cov polymers, lawv ua rau pawg tsis yog kev faib tawm. Qhov chaw magnesium hydroxide yog hydrophilic, uas txhais tau hais tias lawv muaj ntau pawg hydroxyl. Qhov no txhais tau tias lawv tsis ua haujlwm zoo nrog hydrophobic polymer chains uas tau siv dav hauv cov yas thiab cov xov hlau. Qhov sib txawv no txwv cov ntub dej los ntawm kev ua haujlwm zoo thiab ua rau cov theem sib cais thaum ua haujlwm.
Kev faib tawm ntawm qhov loj me me kuj tseem ceeb heev. Txawm tias siab - cov ntaub ntawv zoo xws li BP-65, uas muaj qhov sib txawv ntawm 3 mus rau 20μm D50, tuaj yeem sib xyaw ua ke thaum sib xyaw yog tias cov khoom saum npoo tsis hloov. Qhov sib txawv ntawm qhov ntom ntom ntawm Brucite hmoov (2.39 g / cm³) thiab ntau cov polymer matrices ua rau nws nyuaj dua kom tau txais kev faib tawm, vim tias kev ua haujlwm tuaj yeem ua rau lub ntiajteb txawj nqus los daws cov khoom.
Qhov tshwm sim ntawm Kev Tsis Txaus Siab ntawm Cov Khoom Siv Ua Haujlwm
Cov khoom tiav lawm muaj ntau qhov chaw tsis ua haujlwm thaum cov khoom tawg tsis zoo. Clustered fillers ua rau muaj kev ntxhov siab los tsim, uas txo cov khoom siv tensile lub zog thiab tiv thaiv kev cuam tshuam. Cov aggregates no tseem ua txoj hauv kev rau cov kab nrib pleb kom sib kis, uas ua rau tsis muaj zog ntawm cov qauv ntawm cov vaj huam sib luag thiab cov tsho cable.
Cov nplaim hluav taws kub hnyiab tau txo qis heev thaum Brucite hmoov cov khoom sib sau ua ke es tsis txhob nthuav tawm tusyees hauv cov polymer matrix. The best way for magnesium hydroxide to break down endothermically-releasing water vapor to stop the burning-is for the particles to be spread out evenly to make a continuous flame barrier.
Lwm qhov teeb meem loj yog qhov zoo ntawm cov khoom sib txawv khiav tsis yog ib txwm zoo ib yam. Cov kev hloov pauv hauv dispersion ua rau cov khoom zoo thiab cov nplaim hluav taws ua haujlwm uas nyuaj rau kev kwv yees. Qhov no ua rau nws muaj kev pheej hmoo rau cov neeg tsim khoom uas ua haujlwm nrog kev tswj hwm kev lag luam. Qhov kev hloov pauv no ua rau nws muaj feem ntau rau cov ntaub ntawv pov tseg lossis tsis lees paub, uas muaj kev cuam tshuam ncaj qha rau cov txiaj ntsig thiab kev ruaj ntseg ntawm cov saw hlau.
Txheej txheem cej luam ntawm Txoj Kev Kho Nto Kho Kom Zoo Tshaj Brucite Dispersion
Cov kev hloov kho saum npoo av tuaj yeem tigBrucite hmoovlos ntawm kev muab tub lim uas ua rau muaj teeb meem rau tus txiv neej- ua cov khoom siv uas tuaj yeem siv rau hauv kev lag luam nyuaj. Raws li lawv ua haujlwm li cas thiab lawv ua tau zoo npaum li cas, cov kev kho mob no tuaj yeem muab tso rau hauv ib pab pawg.
Physical vs Chemical Modification Approaches
Qee txoj hauv kev ntawm lub cev, zoo li siab - zog milling, ultrasonic dispersion, thiab plasma nto ua kom muaj zog, tuaj yeem ua kom luv luv kom zoo dua los ntawm kev sib cais thiab ua kom cov khoom me me. Cov txheej txheem no yooj yim siv thiab tsis raug nqi ntau, tab sis lawv tsis muaj ntau yam txiaj ntsig uas kav ntev. Vim tias qhov chaw chemistry nyob twj ywm zoo ib yam, cov khoom feem ntau re-agglomerate thaum lawv khaws cia lossis cua sov.
Los ntawm covalently sib txuas cov neeg ua haujlwm kho mob rau cov pab pawg hydroxyl ntawm Brucite hmoov chaw, tshuaj hloov pauv hloov chaw nyob rau hauv ib txoj kev uas kav ntev. Txoj kev no hloov lub zog ntawm lub zog, nws lub peev xwm nqus dej, thiab nws cov tshuaj lom neeg nyiam hauv txoj hauv kev. Qhov no ua rau kev txhim kho uas dhau los ntawm kev ua thiab siv. Niaj hnub no, kev kho tshuaj muaj xws li fatty acid coats, silane coupling agents, thiab polymer bonding technologies.
Tailoring Surface Chemistry rau Polymer Compatibility
Hom txheej txheem polymer raug kho txiav txim siab txog kev kho chemistry uas siv. Silane coupling agents ua txuas nrog ob txoj haujlwm: ib qho kawg kev sib cog lus rau cov pab pawg hydroxyl hauv Brucite hmoov, thiab lwm qhov kawg ua rau cov organic sib txuas nrog cov saw hlau polymer.
Stearic acid thiab titanate coupling cov neeg ua haujlwm ua rau cov chaw muab tub lim tsawg dua hydrophobic, uas txo qis lub zog ntawm lub zog thiab txhim kho kev sib cais hauv polyethylene thiab polypropylene matrices uas feem ntau siv hauv kev siv hlau. Cov kev kho mob siab heev siv ntau hom kev hloov kho tshuaj los txhim kho ob qho tib si dispersion thiab interfacial adhesion. Qhov no ua tau raws li qhov xav tau rau ob qho tib si txawm faib thiab muaj zog mechanical coupling.
Los ntawm kev nkag siab txog cov tswv yim yooj yim no, cov pab pawg yuav tuaj yeem tshawb xyuas cov kev txawj ntawm cov neeg muag khoom thiab sib tw cov kev kho mob rau cov kev xav tau ntawm cov ntawv thov tshwj xeeb. Lub hom phiaj tsis yog los txhim kho kev tawg; Nws kuj tseem yuav nrhiav tau txoj hauv kev zoo tshaj plaws rau cov muab tub lim thiab matrix sib cuam tshuam kom cov kev sib xyaw ua tau zoo dua hla ntau qhov kev ntsuas.
Kev soj ntsuam ntxaws ntawm Core Surface Treatment Techniques
Peb txoj kev kho mob feem ntau yog siv hauv kev lag luam vim tias lawv tau pom tias ua haujlwm tau zoo thiab tuaj yeem ua kom tau raws li qhov xav tau loj. Muaj cov txiaj ntsig meej rau txhua tus rau qee lub tshuab polymer thiab siv cov xwm txheej.
Silane Coupling Agent Hloov Kho
Txoj kev uas feem ntau hloov cov tshuaj nyob rau hauvBrucite hmoovyog kho lawv nrog silane. Hauv cov txheej txheem no, silane molecules tau tawg los ntawm dej los ua silanol pawg. Cov pab pawg no ces lo ua ke nrog cov pab pawg hydroxyl nyob rau saum npoo ntawm magnesium hydroxide hais. Ua li no, covalent Si-O-Mg bonds yog tsim, uas tuav cov organic functional pawg rau inorganic muab tub lim.
Aminosilanes thiab vinylsilanes ua haujlwm tshwj xeeb zoo rau kev hloov Brucite hmoov. Lub silane- kho qhov chaw muaj cov organic pawg uas ncav cuag thiab txuas nrog cov saw hlau polymer hauv txoj hauv kev uas ua haujlwm nrog cov khoom siv hluav taws xob lossis tshuaj lom neeg. Los ntawm saib cov pob txha tawg nrog lub tshuab ntsuas hluav taws xob, cov kws tshawb fawb tau pom tias silane - kho Brucite hmoov txhim kho kev tawg ntawm 40-60% piv rau cov khoom tsis kho. Tsis tas li ntawd, cov khoom siv kho mob txhim kho qhov adhesion ntawm qhov chaw, uas ua rau lub zog tensile ntawm polyolefin composites los ntawm 15 mus rau 25 feem pua ntawm tib qhov kev ntxhov siab.
Vim tias kev kho silane siv sijhawm ntev hauv kev ua haujlwm, nws yog qhov zoo rau kev siv uas yuav tsum tau ua kom sov. Si-O-Mg daim ntawv cog lus nyob twj ywm ntawm qhov kub thiab txias (180-220 degree), yog li cov txheej txheem ua haujlwm tom qab ntau lub voj voog kub.
Fatty Acid Surface Treatment
Stearic acid thiab lwm yam ntev - chain fatty acids tuaj yeem hloov cov khoom kom nws tsis nqus dej yooj yim thiab pheej yig. Carboxylic acid pawg reacts nrog Brucite hmoov chaw thaum kho, tsim cov organic txheej uas tsis nqus dej. Qhov no tshwm sim los ntawm ionic bonds thiab lub cev adsorption. Qhov no txo qis lub zog saum npoo ntawm Brucite hmoov los ntawm kwv yees li 72 mJ / m² thaum nws tsis kho rau 30 txog 35 mJ / m² tom qab kho nrog stearic acid.
Cov khoom tsis yog-polar plastics xws li polyethylene thiab polypropylene tuaj yeem ntub dej zoo dua vim tias cov khoom siv hydrophobic. Fatty acid kev kho mob kuj pab nrog kev ua haujlwm los ntawm kev txo qis viscosity ntawm cov yaj thiab ua kom yooj yim rau cov fillers sib tov ua ke thaum lub sij hawm sib xyaw. Cov nyhuv no yog tshwj xeeb tshaj yog pab tau rau cable manufacturers vim nws cia lawv siv ntau muab tub lim thaum tseem muaj peev xwm ua cov khoom. Thaum cov fillers raug kho nrog fatty acids, lawv lub peev xwm thauj khoom tuaj yeem mus los ntawm 50 mus rau 55 feem ntawm ib puas resin (phr) rau cov khoom tsis kho rau 60 txog 65 phr. Qhov no yog vim cov fatty acids ua cov fillers ntau nplaim retardant yam tsis hloov lawv txhua yam khoom.
Vim tias kev kho mob fatty acid tsawg dua li cov silanes, nws yog ib qho kev xaiv zoo rau tus nqi -rhiab qhov xwm txheej uas qhov kev txhim kho me me hauv kev ua tau zoo txaus. Tab sis vim yog txoj kev ntawm qee cov fatty acid bonds ntawm lub cev, lawv tuaj yeem tawg thaum kho yog tias lawv ua tiav hnyav lossis raug tshav kub ntev.
Polymer Grafting thiab Txheej Tshuab
Ib txoj hauv kev zoo tshaj los hloov tej yam xws li txuas cov hlua polymer ncaj qha rau Brucite hmoov chaw siv hauv -situ polymerization lossis reactive extrusion. Nrog rau cov txheej txheem no, tuab, ntev - cov txheej txheem organic ua haujlwm tau zoo heev nrog qee cov polymer matrices. Maleic anhydride-grafted polymers yog ib qho piv txwv zoo ntawm kev siv tau zoo. Cov pab pawg anhydride hnov mob nrog hydroxyl pawg ntawm qhov chaw, thiab cov saw hlau polymer ua rau cov matrix resin sib haum.
Cov thev naus laus zis no tshwj xeeb tshaj yog muaj txiaj ntsig zoo rau kev ua haujlwm uas xav tau qhov muaj zog tshaj plaws tau cuam tshuam. Grafted polymer txheej tuaj yeem ua rau muaj zog ntawm 30-50% piv rau silane kho ib leeg. Qhov no yog vim qhov tuab ntawm cov organic interphase zoo txo cov kev ntxhov siab thiab nres cov kab nrib pleb los ntawm kev sib kis. Polymer grafting tsuas yog siv tau rau siab - cov khoom muaj nqis uas qhov kev ua tau zoo txaus los ua pov thawj tus nqi siab dua.
Kev ntsuas qhov cuam tshuam ntawm Kev Kho Hniav ntawm Cov Kev Ntsuas Tseem Ceeb
Kev hloov kho saum npoo ua rau ntsuas kev txhim kho hauv ntau qhov chaw ua haujlwm uas tseem ceeb rau kev siv hauv kev lag luam. Los ntawm kev nkag siab txog cov teebmeem no, koj tuaj yeem xaiv cov kev xaiv ntse txog kev yuav khoom raws li qhov xav tau ntawm koj daim ntawv thov tshwj xeeb.
Dispersion Quality thiab Mechanical Property Enhancement
Cov kev tshawb fawb siv kis tau tus mob electron microscopy qhia tias khoBrucite hmoovmuaj qhov sib nrug me me uas yog 60-70% me dua li cov khoom siv tsis tau kho ntawm tib theem kev thauj khoom. Qhov zoo dua dispersion ncaj qha ua rau kev ua haujlwm zoo dua qub. Thaum piv rau cov khoom siv tsis tau kho, cov khoom siv kho mob feem ntau ua rau cov khoom sib xyaw polyethylene muaj zog dua los ntawm 12 txog 20 MPa thiab hloov tau ntau dua los ntawm 15 mus rau 30 feem pua ntawm kev tawg.
Muaj kev txhim kho loj hauv kev cuam tshuam lub zog, nrog 25-40% ntau lub zog pom rau Brucite hmoov uas tau kho nrog silane hauv cov ntaub ntawv cable. Cov kev txhim kho no tshwm sim rau ob qho laj thawj: zoo dua dispersion txo cov concentration ntawm kev ntxhov siab, thiab zoo dua interfacial binding txwv tsis pub cov khoom los ntawm rub tawm thaum tawg. Thaum koj sib xyaw ua ke, koj tau txais cov ntaub ntawv muaj zog uas zoo dua rau kev teeb tsa hnyav thiab kev pabcuam ib puag ncig.
Nplaim Retardancy thiab Thermal Stability Txhim Kho
Kev kho saum npoo ua rau cov nplaim hluav taws ua haujlwm zoo dua los ntawm kev ua kom cov khoom sib kis tau sib npaug hauv cov polymer matrix. Qhov no ua rau muaj kev tiv thaiv thermal zoo dua thaum lub sij hawm combustion vim hais tias magnesium hydroxide uas yog kis tau tusyees tso dej vapor thoob plaws qhov chaw es tsis txhob nyob rau hauv ob peb qhov chaw. Kev txwv cov pa ntsuas pa (LOI) qhov tseem ceeb nce mus txog 2 mus rau 4 feem pua cov ntsiab lus thaum kho cov khoom siv kho mob siv cov khoom tsis kho nyob rau tib theem ntawm kev thauj khoom. Qhov no txhais tau hais tias qhov hluav taws kub kuj zoo dua.
Lub khob hliav qab calorimetry cov ntaub ntawv qhia tau hais tias kho Brucite hmoov txo qhov siab tshaj plaws tso tawm cov nqi los ntawm ib qho ntxiv 15 mus rau 20 feem pua piv rau cov khoom tsis kho. Qhov kev txhim kho no tseem ceeb heev rau kev ua kom tau raws li UL 94 V-0 kev ntsuas thiab IEC cov pa luam yeeb ntom ntom uas xav tau rau kev siv qis - tsis muaj pa taws halogen cable siv. Lub char txheej uas tsim thaum lub sij hawm hlawv yog ntau nruam thiab structurally suab thaum muab tshuaj kho. Qhov no txhais tau hais tias cov fillers muab cov rwb thaiv tsev zoo dua thiab nplaim taws teeb meem zoo.
Environmental and Regulatory Compliance Considerations
Cov tshuaj kho mob niaj hnub no tau muab ntau thiab ntau ntxiv rau kev ua raws li cov cai thiab ua kom zoo rau ib puag ncig. Feem ntau, kev kho mob silane thiab fatty acid tsis ua mob rau ib puag ncig ntau vim tias cov tshuaj kho mob lo rau cov chaw muab tub lim mus tas li lossis tsuas pom muaj me me hauv cov khoom tiav. Cov khoom lag luam feem ntau ua los ntawm kev kho Brucite hmoov ua tau raws li cov cai rau cov tshuaj ntxiv los ntawm RoHS, REACH, thiab FDA. Txawm li cas los xij, kev lees paub tshwj xeeb tseem xav tau thaum lub sijhawm tsim khoom tsim nyog.
Qhov tseeb tias magnesium hydroxide muaj kev nyab xeeb rau lub ntiaj teb ua rau nws txaus siab dua li cov nplaim hluav taws. Tsis zoo li cov kev xaiv halogenated, thaum rhuab, nws tsuas yog tso dej vapor thiab magnesium oxide, tsis muaj teeb meem lossis ua rau cov pa phem. Vim tias Brucite hmoov yog ib txwm muaj kev nyab xeeb dua thiab muaj kev kho kom zoo, nws yog qhov kev xaiv zoo tshaj plaws rau kev siv qhov chaw tua hluav taws thiab lub luag haujlwm ib puag ncig los ua ke.
Kev taw qhia tswv yim rau B2B Kev yuav khoom thiab daim ntawv thov
Txhawm rau nrhiav qhov chaw- khoBrucite hmoov, koj yuav tsum ua tib zoo saib cov kev qhia tshwj xeeb, tus neeg muag khoom cov kev txawj ntse, thiab tag nrho cov nqi ntawm cov tswv cuab. Kev xaiv tswv yim txog yam yuav yuav ntsuas qhov luv luv - cov nqi ntawm cov khoom tawm tsam qhov ntev - cov txiaj ntsig hauv kev ua tau zoo thiab kev vam khom ntawm cov khoom siv.
Thaum muas Brucite hmoov cov khoom xws li BP-65, cov neeg yuav khoom yuav tsum saib ntau dua li cov tshuaj uas ua rau lawv. MgO cov ntsiab lus ntawm 65% txhais tau hais tias cov khoom yog ntshiab thiab yuav tsis ntes hluav taws, thiab ib tug whiteness theem siab tshaj 96% txhais tau hais tias nws yuav tsis hloov cov xim ntawm lub teeb xim cov ntaub ntawv ntau. Qhov loj me me (3-20 μm D50) cuam tshuam rau cov khoom siv ua haujlwm li cas thiab lub ntsej muag du npaum li cas thaum nws tiav lawm. Cov dej noo qis (tsawg dua 0.5%) nres ua cov teeb meem xws li npuas los yog qhov los ntawm kev tsim thaum lub sij hawm extrusion.
Hom thiab qib ntawm kev kho saum npoo yog qhov kev txiav txim siab tseem ceeb uas feem ntau tsis nco qab thaum yuav khoom. Nug cov ncauj lus kom ntxaws txog kev kho mob chemistry, daim ntawv thov cov ntaub ntawv xeem, thiab cov lus qhia txog kev sib raug zoo rau qee lub tshuab polymer tuaj yeem pab koj nrhiav cov ntaub ntawv zoo tshaj plaws rau txhua txoj haujlwm. Cov neeg muag khoom uas muab kev txhawb nqa thiab kev pab nrog kev txhim kho daim ntawv thov yog qhov muaj txiaj ntsig ntau dua li cov uas kho cov fillers zoo li lawv txhua tus.
Cov ntawv pov thawj ua kom cov neeg muag khoom ua raws li kev cai ib puag ncig thiab tswj kom zoo. ISO 9001 daim ntawv pov thawj qhia tau hais tias koj muaj ib txoj hauv kev los tswj qhov zoo, thiab ISO 14001 ntawv pov thawj qhia tau hais tias koj mob siab txog kev tswj hwm ib puag ncig. Cov neeg yuav khoom hauv kev lag luam txawv teb chaws raug tiv thaiv los ntawm kev tswj hwm kev pheej hmoo los ntawm kev soj ntsuam cov ntaub ntawv los ntawm tus thib peb uas hais tias RoHS thiab REACH tau ua raws. Cov neeg muag khoom nrog cov khoom siv ore thiab keeb kwm ntawm kev muab khoom txuas ntxiv ntau xyoo qis dua kev yuav khoom piv rau cov neeg tuaj tshiab rau lub lag luam uas tsis tau qhia tias lawv tuaj yeem ntseeg tau.
Tus nqi - kev tshuaj xyuas cov txiaj ntsig yuav tsum saib tag nrho cov nqi ntawm daim ntawv thov, tsis yog tus nqi ntawm cov khoom siv raw. Thaum koj them 10 mus rau 15 feem pua ntau dua rau cov khoom siv kho mob, koj tuaj yeem tau txais kev thauj khoom ntau dua, cov nqi qis dua, thiab cov khoom lag luam zoo dua uas ntau dua qhov sib txawv ntawm cov khoom siv. Cov txiaj ntsig kev lag luam tiag tiag ntawm cov ntaub ntawv zoo tuaj yeem pom los ntawm kev ntsuas cov khoom no, xws li cov nqi qis dua, cov khoom lag luam zoo dua, thiab cov neeg siv khoom zoo siab.
Xaus
Brucite hmoovyog ib qho nyuaj muab tub lim uas tuaj yeem hloov mus rau hauv cov khoom siv hluav taws xob uas txhim kho qhov ua tau zoo ntawm cov nplaim hluav taws- cov khoom siv tiv thaiv los ntawm kev kho cov thev naus laus zis. Kev hloov tshuaj, xws li silane binding agents thiab fatty acid kho, hloov cov chemistry saum npoo thiab lub zog zog kom tau txais ib puag ncig cov teeb meem uas tuaj nrog diffusion. Cov kev txhim kho no ncaj qha ua rau cov neeg kho tshuab zoo dua qub, nplaim taws ua haujlwm, thiab kev coj tus cwj pwm tseem ceeb rau kev siv cov yas, cables, thiab panels.
Cov kws tshaj lij hauv kev yuav khoom uas ua haujlwm nrog kev lag luam uas xav tau qhov zoo ib yam, kev ua raws cai, thiab kev ntseeg siab ntawm cov khoom siv yuav tsum muab qhov tseem ceeb tshaj plaws rau cov neeg muag khoom uas tuaj yeem qhia tau tias lawv muaj kev paub txog kev tsim khoom, kev tsim khoom ruaj khov, thiab kev txhawb nqa tag nrho. Thaum koj xaiv cov khoom siv tswv yim raws li lawv qhov kev ua tau zoo hauv ib daim ntawv thov tshwj xeeb es tsis txhob ntawm lawv tus nqi, koj tau txais kev sib tw los ntawm kev ua tau zoo ntawm cov khoom lag luam thiab tus nqi qis ntawm cov tswv cuab.
FAQ
Dab tsi yog cov txiaj ntsig tseem ceeb ntawm qhov chaw- kho brucite fillers piv rau lwm yam tsis kho?
Nto- kho Brucite hmoov muaj peb yam txiaj ntsig: zoo dua dispersion uniformity, uas txo cov particle agglomeration los ntawm 60-70%; Cov khoom siv zoo dua qub, xws li 15-30% siab dua tensile zog thiab cuam tshuam tsis kam; thiab nplaim hluav taws zoo dua, nrog LOI txhim kho ntawm 2-4 feem pua cov ntsiab lus. Vim yog cov txiaj ntsig zoo no, cov khoom ntim ntau dua tuaj yeem ua tau, kev ua tau zoo dua, thiab cov khoom lag luam zoo sib xws nyob rau hauv cov khoom siv ntau lawm.
Yuav ua li cas silane coupling agents txhim kho brucite-polymer interfacial adhesion?
Thaum Brucite hmoov raug kho, silane molecules txuas rau nws qhov chaw thiab tsim covalent Si-O-Mg bonds nrog hydroxyl pawg. Cov pab pawg ua haujlwm organic uas los ntawm cov kev sib txuas no ua rau lawv sib haum nrog cov saw hlau polymer los ntawm kev siv tshuaj lom neeg los yog kev sib txuas nrog lawv. Qhov no ob-hauv-ib qho kev sib txuas ua ke ua rau muaj kev sib cuam tshuam zoo uas txav kev ntxhov siab ntawm cov muab tub lim thiab cov matrix zoo, txhim kho kev ua haujlwm ntawm cov khoom sib xyaw.
Puas yog nto - kho brucite fillers ib puag ncig muaj kev nyab xeeb thiab ua raws li cov cai?
Feem ntau cov kev lag luam daws teeb meem rau Brucite hmoov nto siv cov tshuaj uas muaj kev nyab xeeb rau ib puag ncig thiab ua raws RoHS, REACH, thiab lwm yam kev cai loj. Cov tshuaj kho mob lo rau qhov chaw muab tub lim mus tas li lossis pom muaj me me hauv cov khoom tiav, yog li lawv tsis raug rau ib puag ncig ntau npaum li. Thaum nws hlawv, magnesium hydroxide tsuas yog hloov mus rau hauv dej vapor thiab magnesium oxide. Nws tsis tsim kev puas tsuaj los yog puas tsuaj los ntawm cov khoom, yog li nws yog ib qho kev xaiv zoo dua rau kev tiv thaiv cov nplaim taws uas kuj zoo rau ib puag ncig.
Koom tes nrog Proven Brucite Powder Supplier rau Koj Daim Ntawv Thov Kev Lag Luam
Rau ntau tshaj 20 xyoo,Henghao Technology Development (Hangzhou) Co., Ltdtau ua tus thawj coj hauv kev tsim cov khoom siv ua haujlwm thiab cov khoom siv hluav taws xob, nrog cov neeg siv khoom hauv 33 lub teb chaws thiab cheeb tsam sib txawv. Peb Brucite hmoov BP-65 muaj qhov loj me me (3-20μm D50), yog dawb heev (96% min), thiab ib txwm ua tau raws li cov qauv zoo nrog 65% MgO cov ntsiab lus thiab tswj cov dej noo hauv qab 0.5%.
Peb muaj ob qho tib si qib thiab qib uas tau raug kho rau sab nraud nrog silane lossis fatty acid hloov uas tau ua kom haum rau koj cov txheej txheem polymer tshwj xeeb thiab cov kev xav tau. Nrog rau cov chaw tsim khoom ncaj qha, tsis muaj cov cim ntxiv los ntawm cov neeg nruab nrab, yog li cov nqi sib tw tsis muaj kev txi zoo. Email peb pab neeg technical ntawminfo@henghaopigment.comlos tham txog koj cov kev xav tau ntawm cov nplaim taws, tau txais cov khoom muag tag nrho, lossis teeb tsa cov qauv kuaj. Koj tuaj yeem saib peb cov kab tag nrho ntawm cov khoom ntim thiab xim ntawm henghaocolor.com. Peb tau ua cov khoom no rau 20 xyoo thiab muaj keeb kwm ntawm cov khoom siv txhim khu kev qha.
Cov ntaub ntawv
1. Chen, Y., & Wang, Q. (2021). Kev hloov kho deg ntawm Magnesium hydroxide thiab nws cov txiaj ntsig ntawm Polymer Composite Properties. Phau ntawv Journal of Applied Polymer Science, 138(15), 50245.
2. Li, X., Zhang, L., & Wei, P. (2020). Interfacial Yam ntxwv ntawm Silane-Thiab Brucite Fillers hauv nplaim hluav taws xob Cable Compounds. Polymer Composites, 41(8), 3156-3168.
3. Thompson, R., & Martinez, J. (2019). Optimizing Mineral Filler Dispersion hauv Polyolefin Matrices Los Ntawm Kev Hloov Kho Chemistry. Kev Tshawb Fawb & Engineering Chemistry, 58(22), 9445-9458.
4. Wu, H., Zhao, J., & Song, L. (2022). Kev Tshawb Fawb Sib Piv ntawm Coupling Agent Treatments ntawm Magnesium Hydroxide Flame Retardant Performance. Hluav Taws thiab Khoom Siv, 46(3), 412-425.
5. Anderson, K., & Schmidt, P. (2020). Surface Energy Modification of Inorganic Fillers for Enhanced Polymer Compatibility. Kev nce qib hauv Polymer Science, 105, 101243.
6. Yang, S., Chen, M., & Liu, Y. (2021). Fatty Acid Treatment of Magnesium Hydroxide: Mechanisms and Industrial Applications in Halogen-Plaub nplaim taws retardant Systems. Polymers rau Advanced Technologies, 32(6), 2318-2330.
