Inyigo yo kugereranya imikorere ya CTBN, ATBN na HTPN mu gukamura amashanyarazi

Ibintu by'ingenzi byakunzwe

• CTBN yongera cyane imbaraga za epoxy, byongera imbaraga z'ingaruka ku kigero kirenga 692%. Ibi bituma iba amahitamo meza ku bikorwa byinshi.
• Gukoresha ingano ikwiye ya CTBN, hafi 20%, binoza ubworoherane n'ubukomere bitabangamiye imbaraga. Gupima ingano zitandukanye bishobora gutanga umusaruro mwiza.
• CTBN iraboneka cyane kandi yoroshye kuyivanga na epoxy, bigatuma iba amahitamo afatika ku mishinga itandukanye. ATBN cyangwa HTPN ku byo ukeneye byihariye, ariko muri rusange CTBN ni yo ikundwa cyane.

Inyigo yo kugereranya imikorere ya CTBN, ATBN, na HTPN mu gukamura amashanyarazi

CTBN ni iki?

CTBN isobanura butadiene acrylonitrile ivanyweho na karubokisili. Iyi mashini ni umugozi w'amazi abahanga mu bya siyansi bakoresha kugira ngo bakomere cyane. CTBN irimo amatsinda ya karubokisili ku mpera z'iminyururu yayo. Aya matsinda afasha CTBN ikora hamwe na resins za epoxyUbusanzwe CTBN ifite uburemere bwa molekile hagati ya 2000 na 3000. Abantu bakunze guhitamo CTBN kuko yongera ubushobozi bwo koroha no gukomera kwa epoxy. Mu bushakashatsi ku bijyanye n'imikorere ya Epoxy Toughening ya CTBN, abashakashatsi basanze CTBN ishobora kongera ubudahangarwa bw'ingaruka za epoxy resins ku rugero runini.

ATBN ni iki?

ATBN isobanura butadiene acrylonitrile ivangwa na amino. Iyi mashini ni ubundi bwoko bwa rubber y'amazi. ATBN ifite amatsinda ya amino ku mpera z'iminyururu yayo. Aya matsinda afasha ATBN gukorana na resins za epoxy mu buryo butandukanye na CTBN. ATBN nta buremere bwa molekile runaka ifite mu bushakashatsi bwinshi. Abantu bakoresha ATBN yo kunoza ubukomere bwa epoxy, ariko ikora neza mu bihe byihariye. Mu bushakashatsi bwo kugereranya imikorere ya Epoxy Toughening ya CTBN, ATBN, na HTPN, ATBN igaragaza ibisubizo byiza kuri bimwe mu bikorwa.

HTTPN ni iki?

HTPN isobanura hydroxyl-terminated polybutadiene nitrile. Iki gikoresho nacyo ni umugozi w'amazi. HTPN ifite amatsinda ya hydroxyl ku mpera z'iminyururu yayo. Aya matsinda afasha HTPN guhuza na epoxy resins. HTPN ntabwo ikunze kugaragara cyane nka CTBN na ATBN. Abantu bakoresha HTPN iyo bakeneye imiterere yihariye muri epoxy resins zabo. HTPN ishobora gutuma epoxy yoroha kandi ikomeye, ariko ntabwo ikunzwe cyane nka CTBN.

Ni gute izi Modifiers zikomeza Epoxy?

CTBN, ATBN, na HTTPN byose bifasha gutuma resins za epoxy zikomera. Ibi babikora mu buryo bumwe bw'ingenzi:

• CTBN ikora imigozi ya shimi na epoxy. Amatsinda ya karubokisili muri CTBN akorana n'amatsinda ya epoxy kugira ngo akore imigozi ikomeye ya ester.
• Mu gihe cyo gukaraba, CTBN yitandukanya ikagendamo uduce duto cyane nk'udupira turi muri epoxy. Iyi nzira yitwa gutandukana kwa micro-phase. Utu duce dufasha kwinjiza ingufu iyo epoxy ikubise cyangwa igonze.
• Ubuso bw'uduce twa kabutura bufasha epoxy ifata neza ku bindi bikoresho, nk'imigozi ya karuboni. Ibi birema isano ikomeye kandi bigafasha epoxy kwirinda kuvunika.
• ATBN na HTPN bikora mu buryo bumwe, ariko amatsinda yabyo (amino cyangwa hydroxyl) ahindura uburyo bikora iyo bivanze na epoxy. Ibi bishobora kugira ingaruka ku miterere ya nyuma ya resin.

Abantu bakunze gukoresha ingano zitandukanye z'izi modifier kugira ngo babone umusaruro mwiza. Urugero:

• Kongeramo CTBN nyinshi bishobora kongera ubushyuhe aho epoxy ikira. Bishobora kandi kugabanya ingufu zikenewe kugira ngo habeho igisubizo.
• Iyo umuntu yongereye CTBN nyinshi cyane, epoxy ishobora gutakaza imbaraga. Ubukomere bwiza bukunze kubaho kuri CTBN ingana na 20%.
• Ku kigero cya 20% cya CTBN, epoxy irambura cyane mbere yo kuvunika. Ibi bivuze ko ishobora gukurura ingufu nyinshi kandi ntabwo ishobora kwangirika cyane.

Inama: Ingano ikwiye y'imashini ihindura ibintu iterwa n'akazi. Ingano nke cyane ishobora kudakomeza epoxy bihagije. Ingano nyinshi ishobora gutuma epoxy igabanuka.

Ubushakashatsi ku kugereranya imikorere ya Epoxy Toughening ya CTBN bwerekana ko CTBN itanga uburinganire bwiza bw'ubukomere n'imbaraga ku mikoreshereze myinshi. ATBN na HTPN ishobora gukora neza ku bakeneye ubufasha bwihariye, ariko CTBN ni yo ikunze gukoreshwa cyane.

Uburyo CTBN, ATBN, na HTPN bikora muri Epoxy Resins

Uburyo bwo Gukomeza CTBN

CTBN ihindura uburyo epoxy resins ikora. Abahanga mu bya siyansi bongera CTBN muri epoxy, kandi ikora uduce duto dufite rubber muri resin. Utu duce dufasha epoxy kwinjiza ingufu iyo ikubiswe cyangwa igonganye. Amatsinda ya karubokisili ari ku mpera z'iminyururu ya CTBN akorana na epoxy, bigatuma habaho imigozi ikomeye. Iyi reaction ikora urusobe rufata uduce twa rubber mu mwanya warwo. Ingaruka ni epoxy igonga cyane mbere yo gucika. Abashakashatsi benshi mu Isesengura ry'Igereranya kuri Umusaruro wa Epoxy Toughening wa CTBN basanze CTBN itanga uruvange rwiza rw'ubukomere n'imbaraga.

Icyitonderwa: CTBN ikora neza kuko ikwirakwira neza muri epoxy kandi igakora imikoranire ikomeye.

Uburyo bwo gukaza ATBN

ATBN ikoresha amatsinda ya amino kugira ngo ihuze na epoxy resins. Aya matsinda afasha ATBN kwihuza na epoxy mu gihe cyo gushonga. ATBN kandi ikora uduce dusa n'udupira, ariko uburyo ihuza butandukanye na CTBN. Amatsinda ya amino ashobora gutuma epoxy ivura vuba. ATBN yongera ubukana, ariko ikora neza mu bihe byihariye. Bamwe mu bakoresha bahitamo ATBN iyo bakeneye umuti wihuta cyangwa umuti wihariye.

• ATBN ishobora gutuma epoxy yoroha cyane.
• Bishobora kudatanga imbaraga nyinshi nk'iza CTBN.

Uburyo bwo Gukomeza bwa HTPN

HTPN ikoresha amatsinda ya hydroxyl kugira ngo ihuze na epoxy. Aya matsinda afasha HTPN kuvanga neza na resin. HTPN ikora uduce dusa n'udupira, kimwe na CTBN na ATBN. Amatsinda ya hydroxyl ashobora gutuma epoxy yoroha cyane. HTPN ntabwo ikunze kugaragara cyane, ariko ifasha iyo abakoresha bakeneye imiterere yihariye. HTPN ishobora kongera ubukana, ariko ishobora kudakora neza nka CTBN mu ikoreshwa rusange.

Inyigo yo kugereranya imikorere ya Epoxy Toughening ya CTBN: Itandukaniro mu mikorere n'imikorere

Kugereranya Imiterere ya Mekanike

CTBN, ATBN, na HTPN buri kimwe gihindura imiterere ya epoxy resins mu buryo butandukanye. CTBN igaragara cyane mu bushobozi bwayo bwo kongera ubukomere n'ubworoherane. Iyo CTBN yongewemo, epoxy ishobora gufata ingufu nyinshi mbere yo kuvunika. Ibi bivuze ko ibikoresho bigabanuka mu gihe cy'imihangayiko. ATBN kandi yongera ubukomere, ariko ntiyongera imbaraga nk'uko CTBN yongera. HTPN ifasha gutuma epoxy yoroha, ariko ntabwo ihura n'ubukomere nk'uko CTBN itanga.

Abashakashatsi mu bushakashatsi ku bijyanye n’imikorere ya Epoxy Toughening ya CTBN basanze resins za epoxy zahinduwe na CTBN zigaragaza ubwiyongere bunini bw’imbaraga z’ingaruka. Uduce twa rubber twakozwe na CTBN dufasha epoxy kugonda aho gucika. ATBN na HTPN bikora neza ku barwayi bafite ibibazo byihariye, ariko CTBN itanga uburinganire bwiza ku mikoreshereze myinshi.

Guhuza na Epoxy

Uburyo buri modifier ivanga na epoxy ni ingenzi. Guhuza neza bivuze ko modifier ikwirakwira neza kandi ikagira isano ikomeye na resin.

• CTBN yongera ubushyuhe bwinshi bwo gukaraba (Tp) mu miterere ya epoxy resin.
• CTBN igabanya uburyo ibintu byose bitera imbaraga mu gukora enthalpy (ΔH), bivuze ko uburyo bukoresha ingufu nke.
• Sisitemu zahinduwe na CTBN zigaragaza Tp iri hejuru (urugero, C25: Tp = 167.4 °C) na ΔH iri hasi (urugero, ΔH = 264.6 J g−1) ugereranije na epoxy nziza.
• Kongeramo CTBN bituma ubushyuhe bw'amazi bwiyongera cyane, ibyo bigira ingaruka ku buryo epoxy yoroshye kuyitunganya.
• Igihe cya gel cya epoxy yahinduwe na CTBN ni kirekire (hafi iminota 18) kurusha igihe cya epoxy nziza.
• Kuba hariho h-BN ntabwo bihindura cyane igihe cya gel, bityo CTBN ishobora gutanga umusaruro uhagije.

CTBN ikorana neza n'ubwoko bwinshi bwa epoxy resins. Ibi bituma iba amahitamo akunzwe cyane mu bushakashatsi bwo kugereranya imikorere ya Epoxy Toughening ya CTBN. ATBN na HTPN nabyo bishobora kuvanga na epoxy, ariko ingaruka zabyo ku gukonja no ku miterere ya nyuma ziratandukanye.

Gutunganya no Gucunga

Gutunganya no gucunga ni ingenzi ku muntu wese ukoresha izi modifier. CTBN ihindura uburyo epoxy yitwara mu gihe cyo kuvanga no gusya.

Uburyo bwo gukomera bwa CTBN bukubiyemo uburyo bwo gukora ibintu mu gihe cyo gukora polymer, aho CTBN ikora époxy igakora bloc copolymer. Ubu buryo bwongera imiterere ya mekanike y'ibice bivanze binyuze mu gukora urwego rwa rubber rutatanye rutuma ibintu bikomera.

CTBN igira ingaruka zikomeye ku bucucike n'igihe cya gel cya epoxy, hamwe n'ubwiyongere bugaragara bw'ubucucike uko CTBN yiyongera, ibyo bigatuma gutunganya bigorana. Igihe cya gel cya epoxy nziza ni hafi iminota 18, ariko kongeramo CTBN byongera iki gihe bitewe n'ubwiyongere bw'ubucucike n'impinduka mu miterere y'icyiciro.

Abantu bakoresha CTBN bagomba kuyivanga neza kugira ngo babone umusaruro mwiza. Iyo viscosity nyinshi ishobora gutuma gusuka no gukwirakwiza bigorana. Igihe kirekire cya gel bivuze ko abayikoresha bagira igihe kinini cyo gukorana na epoxy mbere yuko ikomera. ATBN na HTPN bishobora kudahindura viscosity n'igihe cya gel nk'uko CTBN ibikora, bityo bishobora koroha kuyikoresha mu bihe bimwe na bimwe.

Ikiguzi n'uko ibintu bihari

CTBN biroroshye kuyibona no kuyigura. Amasosiyete menshi akora CTBN kuko ikorana neza n'amaresine atandukanye ya epoxy. Uku kuboneka kwagutse bituma CTBN iba amahitamo meza ku nganda. Gukomera kwa CTBN muri epoxy bivuze ko ibicuruzwa bikozwe nayo bikora kimwe buri gihe. ATBN na HTPN nabyo birahari, ariko bishobora guhenda cyane cyangwa bikagorana kubibona. Bamwe mu bakoresha bahitamo ATBN cyangwa HTPN ku mirimo yihariye, ariko abenshi bahitamo CTBN ku ikoreshwa rusange.

Inyigo yo kugereranya imikorere ya CTBN igaragaza ko CTBN ari yo ikoreshwa cyane mu guhindura ibintu kubera impamvu nyinshi. Itanga imiterere ikomeye ya mekanike, ihuye neza, kandi yoroshye kuyibona ku baguzi.

Impamvu CTBN ikunze kuba ari yo ikoreshwa mu guhindura ibintu

Ibyiza by'ingenzi bya CTBN

CTBN ni yo igaragara cyane mu gukurura epoxy resins. Abashakashatsi benshi n'inzobere mu nganda bakunda CTBN kuko itanga inyungu nyinshi z'ingenzi:

• CTBN ivanga neza na epoxy resins zitaravurwa. Iyi miterere ituma byoroha kongeramo CTBN muri epoxy mbere yo kuyivurwa.
• Mu gihe cyo gukaraba, CTBN yitandukanya mu tunyangingo duto, tw’uruziga. Utu dunyangingo dufasha epoxy kwinjiza ingufu no kwirinda gucika.
• CTBN ikora nk'icyuma gitera pulasitiki. Igabanya ubushyuhe bw'impinduka z'ikirahure (Tg) cya epoxy. Iri hinduka rituma epoxy yoroha kandi ikongera ubushobozi bwo kurwanya ingaruka zayo.

CTBN ifasha mu gukora ibikoresho bya epoxy bikomeye kandi byoroshye. Iyi miterere ituma CTBN iba amahitamo akunzwe n'abantu benshi, kuva ku bwubatsi kugeza ku by'ikoranabuhanga.

Inzitizi za CTBN

CTBN ifite kandi ingorane zimwe na zimwe abakoresha bakwiye kuzirikana. Ubushakashatsi bwerekana ko CTBN ishobora guteza ibibazo bikomeye byo mu bwoko bwa viscosity. Iyo CTBN yongewemo, uruvange ruba runini cyane. Uku kwiyongera kwa viscosity bishobora gutuma bigorana kuvanga mu zindi nyongeramusaruro. CTBN kandi ituma umuntu amara igihe kirekire cyane mu gihe cyo gushya. Igihe kirekire cya gel bivuze ko epoxy ifata igihe kinini kugira ngo ikomere, ibi bikaba bishobora kugabanya umusaruro. Ibi bintu bishobora kugabanya uburyo n'aho epoxy zahinduwe na CTBN zikoreshwa. Abakoresha bagomba kuringaniza ibyiza byo gukomera no koroherana n'imbogamizi mu gutunganya.

Guhitamo Igihindura Gikwiye Porogaramu Yawe

Amahitamo meza yo gukoresha muri rusange

CTBN ikora neza mu bintu byinshi bikenewe mu gukonjesha epoxy. Injeniyeri n'abahanga benshi bahitamo CTBN kuko yongera imbaraga n'ubushobozi bwo koroha. CTBN ikora epoxy kugira ngo ikore copolymer ya block. Iyi reaction ikora imigozi ikomeye ku buryo ifasha ibikoresho kwirinda kuvunika. Iyo CTBN ikoreshejwe ku rwego rukwiye, nka 25%, epoxy ishobora kugaragaza ukwiyongera kwa 33% mu mbaraga zo gukata no kongera imbaraga zo gukubita ku kigero cya 528%. CTBN inafasha mu gukora ibintu bivanze na fibre ya karuboni ikora ku bipimo bitandukanye kugira ngo ibikoresho bikomere. Ibi bintu bituma CTBN iba amahitamo yizewe ku mishinga myinshi.

Igihe cyo Gutekereza kuri ATBN cyangwa HTPN

Hari imishinga ikenera imitungo yihariye. ATBN ishobora gufasha iyo umuntu akize vuba ni ingenzi cyangwa iyo umukoresha ashaka koroshya ibintu byinshi. HTPN ikora neza niba intego ari ukongera ubworoherane nta gutakaza imbaraga nyinshi. ATBN na HTPN byombi bishobora kuba ingirakamaro ku bikorwa byihariye, nko mu bikoresho by'ikoranabuhanga cyangwa irangi rikenera koroshya cyane. Abakoresha bagomba kureba ibyo ibicuruzwa bya nyuma bakeneye mbere yo guhitamo izi modifiers.

Inama zo Guhitamo Umukozi Ukoresha Ingufu

Guhitamo modifier ikwiye bisaba gutekereza neza. Abantu benshi bakora amakosa bahitamo bashingiye ku magambo azwi gusa cyangwa bakoresheje modifier nyinshi cyane. Abandi bibagirwa kugenzura uburyo modifier ivanga kandi igakwirakwira muri epoxy. Dore inama zimwe na zimwe:

• Reba uburyo modifier igira ingaruka ku gutunganya, nko kuvanga no gukosora.
• Gerageza ingano zitandukanye kugira ngo ubone uburyo bwiza bwo gukomera no gukomera.
• Reba uburyo modifier ikwirakwira neza muri epoxy.
• Ntukitege ko umuhindura umwe azakemura ikibazo cyose.
• Buri gihe huza igikoresho gihindura ibintu n'ibyo umushinga ukeneye.

Inama: Gusuzuma no gusuzuma witonze bitanga umusaruro mwiza kandi bigatuma ibintu bitunguranye bike.

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CTBN iha epoxy resins gukomera cyane no koroshya gutunganya. Abakoresha benshi bahitamo CTBN mu mishinga rusange. ATBN na HTPN bikora neza ku barwayi bakeneye ubufasha bwihariye. Abakoresha bagomba kugenzura ibisabwa n'umushinga wabo mbere yo guhitamo igikoresho gihindura imikorere.

Inama: Guhitamo neza bitanga umusaruro mwiza.

Ibibazo Bikunze Kubazwa

CTBN isobanura iki?

CTBN bivuga butadiene acrylonitrile ivanyweho na karubokisili. Abahanga mu bya siyansi bayikoresha kugira ngo batume epoxy resins ikomera kandi yoroshye kuyihindura.

Ese CTBN ishobora kuvangwa na resin iyo ari yo yose ya epoxy?

Resine nyinshi za epoxy zikorana neza na CTBN. Abakoresha bagomba kubanza kugerageza itsinda rito kugira ngo barebe niba bavanga neza kandi bafite imikorere myiza.

Ese CTBN ihindura ibara rya epoxy?

Ubusanzwe CTBN ntabwo ihindura ibara cyane. Hari resins zishobora gusa n'izirimo ibicu gato nyuma yo kongeramo CTBN, ariko ingaruka ni nto.