Ukufakwa kwe-HTPB e-epoxidation: Ukusebenza kanye Nokusetshenziswa
Ukufakwa kwe-HTPB e-epoxidationUkusebenza kanye Nokusetshenziswa
I-polybutadiene eqediwe yi-hydroxyl (HTPB) iyi-polymer eguquguqukayo eyaziwa ngezakhiwo zayo ezinhle kakhulu zemishini, izinga lokushisa eliphansi lokushintsha kwengilazi,
kanye nokumelana okuphezulu kwamakhemikhali kanye nesimo sezulu. Enye yezinqubo ezibalulekile ekuguquleni i-HTPB ukuze ithuthukise izakhiwo zayo yi-epoxidation.
I-HTPB ihilela ukungezwa kwamaqembu e-epoxide kumgogodla we-polymer, okuholela ezintweni eziguquliwe ezinezimpawu zokusebenza ezithuthukisiwe.
Lesi sihloko sihlola ukukhiqizwa kwe-HTPB, ukusebenza kwayo, kanye nokusetshenziswa kwayo ezinhlelweni ezahlukene.
I ukukhishwa kwe-hydroxyl-terminated polybutadiene (HTPB) kuyisinyathelo esibalulekile ekuhlanganisweni kwezinto ezithuthukisiwe ezinezakhiwo ezithuthukisiwe.
Le nqubo ihilela ukusabela kwe-HTPB nge-ejenti ye-epoxidizing, njenge-peracetic acid noma i-hydrogen peroxide, ukuze kwethulwe amaqembu e-epoxide.
uchungechunge lwe-polymer. Lokhu kuguqulwa kunikeza ukumelana kwamakhemikhali okuthuthukisiwe, ukunamathela, kanye nokuzinza kokushisa ku-HTPB, okwenza ifaneleke kakhulu
ububanzi bezicelo.
Enye yezinzuzo ezibalulekile zokusebenza kwe- i-HTPB ehlanganisiwe yizakhiwo zayo zokunamathela ezithuthukisiwe. Ukwethulwa kwamaqembu e-epoxide kwandisa ukuhambisana
ye-HTPB enezingqimba ezahlukahlukene, okuholela ekunamatheleni okuthuthukisiwe ekusetshenzisweni kwe-adhesive kanye ne-sealant. Ngaphezu kwalokho, i-HTPB e-epoxidized ikhombisa ukumelana okuhle kakhulu
kumakhemikhali okuhlanza, amafutha, kanye namafutha, okwenza kube ukukhetha okuhle kakhulu kokumboza, okunamathelayo, kanye nezinto zokuvala ezindaweni ezidinga kakhulu.
Ngaphezu kwalokho, i- ukukhishwa kwe-HTPB kuphumela ekuqineni kokushisa okuthuthukisiwe kanye nokuvinjelwa komlilo. Ukuba khona kwamaqembu e-epoxide kuthuthukisa ama-polymer
ukumelana nokushisa nelangabi, okwenza kufaneleke ukusetshenziswa ezindizeni, ezimotweni, kanye nasezindaweni zokwakha lapho ukuphepha emlilweni kuyinto ebalulekile.
Ngaphezu kwalokho, i-HTPB e-epoxidized ingasetshenziswa njenge-binder ekwakhiweni kwezinto ezihlanganisiwe ezisebenza kahle kakhulu, enikeza izakhiwo zemishini ezithuthukisiwe.
kanye nokuqina.
Ngokuphathelene nokusetshenziswa, i-HTPB ehlanganisiwe ithola ukusetshenziswa ezimbonini eziningi ezahlukene. Emkhakheni wezindiza, isetshenziswa ekwakhiweni kwezinamathelisi,
ama-compound compounds, kanye nama-sealant okubopha nokuvala izingxenye ezibalulekile. Ukunamathela kwayo okuhle kakhulu kanye nokumelana namakhemikhali kwenza kube ukukhetha okuhle kakhulu
izinhlelo zokusebenza zezindiza lapho ukuthembeka nokusebenza kubaluleke kakhulu.
Ngaphezu kwalokho, embonini yezimoto, i-HTPB ehlanganisiwe isetshenziswa ekukhiqizweni kwezimbozo, izivalo zokuvala, kanye nezimbozo zezingxenye ze-elekthronikhi kanye
ukusetshenziswa ngaphansi kwe-hood. Amandla ayo okumelana nokuchayeka kuketshezi lwezimoto kanye nezimo zemvelo enza kube yinto ekhethwayo yezimoto
izinhlelo zokuvala nokuvikela.
Ngaphezu kwalokho, i-HTPB ehlanganisiwe Iqashwe embonini yokwakha ekwakheni izembozo ezisebenza kahle, izinamathiseli, kanye nezivalo zokwakha,
ukusetshenziswa kwayo kwezimboni, kanye nengqalasizinda. Ukunamathela kwayo okuphezulu, ukuqina kwesimo sezulu, kanye nokumelana namakhemikhali kwenza kube yinto ewusizo yokuvikela nokuthuthukisa
ukuqina kwezinto zokwakha.
Ekuphetheni, i- ukukhishwa kwe-HTPB kuphumela ezintweni eziguquliwe ezinezici zokusebenza ezithuthukisiwe, okwenza zifaneleke ezinhlelweni eziningi zokusebenza
kuzo zonke izimboni ezahlukahlukene. Ukunamathela okuthuthukisiwe, ukumelana namakhemikhali, ukuzinza kokushisa, kanye nokuvinjelwa komlilo kwe-HTPB efakwe i-epoxidized kwenza kube yinto ewusizo kakhulu
ukwakha izembozo ezithuthukisiwe, izinamathiseli, izivalo zokuvala, nezinto ezihlanganisiwe. Njengoba ucwaningo nentuthuko ekuguqulweni kwe-polymer iqhubeka nokuthuthuka,
I-HTPB efakwe i-epoxidized kulindeleke ukuthi idlale indima ebalulekile ekuthuthukisweni kwezinto zokusebenza eziphezulu zezicelo ezahlukahlukene zezimboni.
Sinikeza izinhlobo ezahlukene ze I-HTTPB, ukukhishwa kwe-HTPB, Iqembu Elilodwa Le-Hydroxyl HTPB, I-HTPB ene-hydrogenated...
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