Impact yeNano - chiyero Murazvo - Retardant Fillers paFlame Retardancy, Fluidity uye Yakareba - Kugadzikana Kwemoto Kunonamatira uye Optimization Strategies.

Iri bepa rinokurukura zvine hungwaru mashandisirwo enano - scale flame - retardant fillers senge montmorillonite uye magnesium hydroxide nanoparticles mune zvinonamirwa nemoto. Inoongorora maitiro adzo pakudzoreredza kwemurazvo, kuyerera kwemvura uye kugadzikana kwenguva refu kweanonamira nemoto, uye inotsanangura nzira dzesainzi dzekuona iyo yakakwana yekuwedzera reshiyo uye yekuparadzira maitiro. Izvi zvinopa theoretical gwara uye inoshanda referensi yekuita optimization uye kugadzirwa kwemaindasitiri kwe zvinonamira pamoto.

 

Sechinhu chakakosha chekudzivirira moto, zvinonamirwa nemoto zvinoshandiswa zvakanyanya mukuvaka, zvemagetsi, zvemotokari nemimwe minda. Nano - scale flame - retardant fillers inogona kuvandudza zvakanyanya mashandiro ezvekunamira nemoto nekuda kwehukuru hwayo hwakasiyana maitiro uye mhedzisiro. Nekudaro, iyo yekuwedzera yemafiller inogona zvakare kuve neyakaomesesa mhedzisiro pane fluidity uye kwenguva refu -kugadzikana kwekugadzikana kwemoto anonamatira. Mu - tsvakiridzo yakadzama pahukama pakati penano - scale flame - retardant fillers uye kushanda kwezvinonamira zvisingapinde moto kwakakosha zvikuru pakuvandudzwa kwepamusoro - kuita zvinonamirwa nemoto.

Mhedzisiro yeNano - chiyero Murazvo - Retardant Fillers paMurazvo Retardancy yeMoto Adhesives

Mhedzisiro yeMontmorillonite paFlame Retardancy

Montmorillonite imhando yeakaiswa silicate nano - zvinhu. In zvinonamira pamoto, montmorillonite ichaita inoenderera uye dense char layer pamusoro peiyo adhesive layer kana ichipisa. Iyi char layer inogona kunyatso patsanura kupisa neokisijeni uye kudzivirira kuburitswa kwemagasi anobvira, nekudaro ichivandudza kudzoreredza kwemurazvo wezvinonamira zvisingapinde moto. Kana montmorillonite yakaparadzirwa zvakafanana mumoto inonamira sisitimu, yayo nano - scale lamellar chimiro chinogona kutamba chemuviri chipingamupinyi chikamu panguva yekupisa uye inonoke kupararira kumhanya kwemurazvo. Zvidzidzo zvakaratidza kuti iyo inomisikidza oksijeni index (LOI) yeadhesives inodzivirira moto ine huwandu hwakakodzera hwemontmorillonite yakawedzerwa inowedzerwa zvakanyanya, uye iyo yekuzvidzima nguva muyedzo yekupisa inopfupika.

Impact yeMagnesium Hydroxide Nanoparticles paFlame Retardancy

Magnesium hydroxide nanoparticles ndeye inorganic hydroxide flame retardants. Kana inopisa, ivo vanotora huwandu hukuru hwekupisa panguva yekuora, vachitamba basa rekutonhora uye kuderedza tembiricha yeadhesive layer. Panguva imwecheteyo, mhute yemvura inogadzirwa nekuora inoderedza kuwanda kwemagasi anopisa uye inodzivisa kufambira mberi kwekupisa kwemoto. Mukuwedzera, iyo magnesium oxide inogadzirwa mushure mekuparara kwe magnesium hydroxide ine yakanaka yekupisa kupisa uye kudzoreredza kwemurazvo, uye inogona kugadzira chidziviriro chekudzivirira pamusoro peiyo adhesive layer. Kana ichienzaniswa nemicron - scale magnesium hydroxide, nano - scale particles ine yakakura yakananga nzvimbo, inokwana kuonana neinomisa moto inonamira matrix, uye yakakwirira murazvo retardancy kunyatsoita.

 

Mhedzisiro yeNano - chiyero Murazvo - Retardant Fillers pane Fluidity yeFireproof Adhesives.

Mhedzisiro yeFiller Yekuwedzera Mari pane Fluidity

Nekuwedzera kwekuwedzera kwehuwandu hwenano - scale flame - retardant fillers, viscosity yezvokunamatira zvinopisa zvishoma nezvishoma zvinowedzera, uye fluidity inowedzera. Izvi zvinodaro nekuti nano - zvimedu zvine simba repamusoro uye zviri nyore kuunganidza pamwe chete, zvichigadzira chimiro chetiweki mune inomisa moto inonamira system, inotadzisa kuyerera kwemvura inonamira. Kana iyo yekuwedzera huwandu hwe montmorillonite kana magnesium hydroxide nanoparticles ikadarika imwe kukosha, iyo inonamira nemoto inogona kuve yakanyanyisa viscous kuti ishandiswe uye kugadzirwa.

Mhedzisiro yeFiller Dispersion State pane Fluidity

Mamiriro ekupararira kwemafirita anokanganisa zvakananga kuyerera kwezvinonamirwa nemoto. Kana iyo nano - zvimedu zvakaparadzaniswa zvakafanana uye zviripo mune imwe chete - yakapararira mamiriro emoto anonamatira adhesive system, kukanganisa kusina kunaka kwemvura yemvura yakanamatira iduku; pane zvinopesana, kana zvimedu zvakanyanyisa agglomerated uye kuumba hombe agglomerates, zvichanyanya kuwedzera kukweshera mukati yemvura inonamira uye kuderedza fluidity. Naizvozvo, kukwenenzvera nzira yekuparadzira yemafirita kwakakosha kuchengetedza kuyerera kwakanaka kwezvinonamira zvinomisa moto.

 

Mhedzisiro yeNano - chiyero Murazvo - Retardant Fillers pane Iyo Yakareba - Yenguva Kugadzikana kweMoto Adhesives

Mhedzisiro yeKuenderana pakati peFillers uye Matrix pane Yakareba - Yenguva Kugadzikana

Iko kuenderana pakati pe nano - chiyero murazvo - retardant mafirita uye inomisa moto inonamira matrix ine kukosha kwakakosha pakugadzikana kwavo kwenguva refu. Kana kuwirirana pakati pavo kusina kunaka, mafiritsi anogona kudonha kubva kumatrix panguva yekushandiswa kwenguva refu, zvichiita kuti kuderera kwekushanda kwezviputi zvinopisa moto. Mushure mepamusoro pe montmorillonite yagadziriswa organically, kuenderana kwayo neiyo organic fireproof adhesive matrix inogona kuvandudzwa, iyo agglomeration uye kunaya kwemvura yekuzadza kunogona kuderedzwa, uye kugadzikana kwenguva refu kunogona kuvandudzwa. Iyo yekugadziriswa kwepamusoro kurapwa kwe magnesium hydroxide nanoparticles inogona zvakare kuwedzera simba rekusunga nematrix uye nekuvandudza kuchembera kuramba kweanomisa moto.

Impact yeEnvironment Factors pane Yakareba-yenguva Kugadzikana

Mumashandisirwo anoshanda, zvinonamirwa nemoto zvinokanganiswa nemamiriro ekunze akadai sekushisa, humidity uye chiedza. Kuwedzerwa kwe nano - chiyero murazvo - retardant mafirita anogona kushandura mhinduro yeanonamatira anomisa moto kune zvakatipoteredza. Semuenzaniso, munzvimbo ine hunyoro, magnesium hydroxide nanoparticles iyo isina kunyatsogadziriswa inogona kuita hydrolysis, inokanganisa chimiro uye kushanda kweanomisa moto. Iyo yakaturikidzana chimiro chemontmorillonite inogona, kusvika pamwero wakati, kuvharira kupindira kwehunyoro uye kuita basa rekudzivirira pane zvinonamirwa nemoto.

 

Nzira dzekuona iyo Optimal Addition Ratio

Experimental Design

Nhevedzano yezviedzo zvekufananidza zvakagadzirirwa kudzidza pesvedzero yeakasiyana ekuwedzera ratios ye nano - scale flame - retardant fillers pamoto retardancy, fluidity uye kwenguva refu -kugadzikana kweanonamatira moto. Nzira ye orthogonal experimental design inogamuchirwa, uye maitiro akawanda anokosha ekushanda anosarudzwa sezviyero zvekuongorora, zvakadai sekugadzirisa oksijeni index, vertical combustion giredhi, viscosity, kugadzikana kwekuchengetedza, etc. Panguva yekuedza, mamwe mamiriro ezvinhu anochengetwa asina kuchinjwa, uye chete kuwedzera kwehuwandu hwemafiritsi kunoshandurwa kuti iongorore zvakarongeka uye kuongorora maitiro ose ekunamatira kwemoto.

Yakakwana Performance Evaluation

Iyo yakazara yekuongorora modhi inotangwa kuti iongorore huwandu hwekuita kweanonamira nemoto pasi peakasiyana ekuwedzera reshiyo. Semuenzaniso, huremu hunoenderana hunogona kugoverwa maererano nekukosha kweindekisi yega yega yekuita, uye chibodzwa chakakwana chinogona kuverengerwa. Nekuenzanisa zvibodzwa zvakazara pasi pezviyero zvakasiyana zvekuwedzera, chiyero chekuwedzera icho chinogona kuita kuti mashandiro akazara eanonamira nemoto asvike pane zvakatemwa. Kazhinji kutaura, iyo yakakwana yekuwedzera reshiyo yemontmorillonite mune zvinonamirwa nemoto kazhinji iri pakati pe3% ne8%; iyo yakakwana yekuwedzera reshiyo ye magnesium hydroxide nanoparticles iri pakati pe10% ne20%, asi iyo chaiyo yakakosha ichiri kufanira kugadziridzwa zvinoenderana nematrix zvinhu uye mashandisirwo ekushandiswa kweanomisa moto.

 

Nzira dzeKunatsiridza Nzira yekuparadzira

Kupararira Kwenyama Nzira

Nzira dzekupararira kwemuviri dzinonyanya kusanganisira mechanical inomutsa uye ultrasonic dispersion. Mechanical inobvongodza inotyora agglomerates ye nano - zvidimbu kuburikidza neshear simba rinogadzirwa nepamusoro-kumhanya kutenderera kubvongodza paddle; ultrasonic dispersion inoshandisa cavitation effect ye ultrasonic waves kuti igadzire kupisa kwepamusoro kwepamusoro, kudzvinyirira uye kutyisa kwakasimba kwemafungu mumvura, kuitira kuti nano - zvimedu zvakaparadzirwa zvakafanana mumoto unonamatira. Uchishandisa nzira mbiri idzi musanganiswa, kutanga kuita mechanic inosimudzira pre-kupararira, uyezve nekunatsa kupararira kuburikidza ne ultrasonic, inogona kuwana iri nani yekuparadzira maitiro.

Kemikari Dispersion Nzira

Kemikari yekuparadzira nzira dzinonyanya kusanganisira kushandurwa kwepasi kwe nano - zvidimbu. Semuenzaniso, silane coupling agents, titanate coupling agents, nezvimwewo zvinoshandiswa kurapa pamusoro pe montmorillonite kana magnesium hydroxide nanoparticles, kushandura nzvimbo dzepamusoro dzezvikamu, kuderedza simba repamusoro, uye kuwedzera kuwirirana nemoto unonamatira matrix, nokudaro uchivandudza dispersibility. Uye zvakare, nekuwedzera ma dispersants, anogona kuve adsorbed pamusoro pe nano - zvimedu kuburitsa electrostatic repulsion kana steric hindrance mhedzisiro, kudzivirira particle agglomeration.

mhedziso

Kuwedzerwa kwe nano - scale flame - retardant fillers (senge montmorillonite uye magnesium hydroxide nanoparticles) inogona kuvandudza zvakanyanya kudzoreredza kwemurazvo we. zvinonamira pamoto, asi ichavawo nekamwe mhedzisiro pamvura yavo uye kugadzikana kwenguva refu. Nekuita zvesainzi kugadzira zviedzo kuona iyo yakakwana yekuwedzera reshiyo uye kushandisa nzira dzakakodzera dzemuviri uye kemikari yekuparadzira nzira kuti ikwidze nzira yekuparadzira, hukama pakati pekuita kwese kwezvinonamira zvinopfuta moto zvinogona kunyatsoenderana, uye zvigadzirwa zvinonamira zvisingapinde nemoto zvine hunyanzvi hwekuita hwakakwana hunogona kugadzirirwa. Mune ramangwana, nekuenderera mberi mu - kudzika tsvakiridzo pa nano - zviwanikwa, nano - chiyero murazvo - retardant mafirita achave neyakakura tarisiro yekushandisa uye nzvimbo yekusimudzira mumunda wekunamira nemoto.

Mukugadzirwa chaiko nekushandisa, zvinodikanwa zvakare kuti uenderere mberi nekuongorora nekugadzirisa maitiro ekubatanidza e nano - chiyero murazvo - retardant mafirita uye anonamira nemoto zvinoenderana nemamiriro chaiwo ekushandisa uye nekuita zvinodiwa kusangana nekuwedzera kwepamusoro - kuita zvinodiwa zvekunamira nemoto mumaindasitiri akasiyana.

Kuti uwane zvimwe nezve kukanganiswa kwenano - chiyero chemoto - retardant mafiri pamoto unononoka, kuyerera uye kwenguva refu - kugadzikana kweanonamatira anomisa moto uye nzira dzekugadzirisa, unogona kushanya kuDeepmaterial pa. https://www.adhesivesmanufacturer.com/ nokuti zvimwe info.