Izici ze-CTBN nezindawo zohlelo lokusebenza
I-CTBN I-Epoxy Esetshenziselwa Ukumbozwa Okuphezulu kanye Nezinamathiseli
I-CTBN (i-Carboxyl-Terminated Butadiene Nitrile) iyi-polymer eguquguqukayo esetshenziswe kabanzi ekwakhiweni kwezimbozo ze-epoxy ezisebenza kahle kakhulu kanye nezinamathelisi.
Lokhu okuhlukile kunikeza izakhiwo eziningi ezizuzisayo, okwenza kube ukukhetha okuhle kakhulu kwezicelo ezidinga ukuqina okumangalisayo, ukuguquguquka, kanye nokumelana namakhemikhali.
Uma ihlanganiswa nama-epoxy resins, i-CTBN ithuthukisa ukusebenza okuphelele kwamafomula atholakalayo, okwenza afaneleke ezinhlobonhlobo zezimboni ezidinga kakhulu kanye
izinhlelo zokusebenza zezentengiselwano.
Enye yezinzuzo ezibalulekile zokusebenzisa I-CTBN (irabha ye-nitrile butadiene eqediwe yi-carboxy) i-epoxy yikhono layo lokuthuthukisa ukuqina kanye nokumelana nomthelela kwezembozo kanye
izinti zokunamathisela. Ukufakwa kwe-CTBN ekwakhiweni kwe-epoxy kungathuthukisa kakhulu ikhono lazo lokubekezelela ukucindezeleka komshini, okuzenza zifaneleke ukusetshenziswa ezindaweni lapho ukukhuhla kanye nomthelela kuvame khona. Lokhu kwenza I-epoxy ye-CTBN ukukhetha okuhle kakhulu kwezimbozo zokuzivikela ezisetshenziswa ezimbonini ezifana nezindiza, izimoto, kanye nezasolwandle,
lapho ukuqina nokuqina kubalulekile khona.
Ngaphezu kwalokho, Irabha ye-CTBN inikeza ukuguquguquka okuhle kakhulu, okubalulekile ekusetshenzisweni okubandakanya ukunyakaza kwe-substrate noma ukujikeleza kokushisa. Ukuguquguquka okungokwemvelo kwe
Izembozo ze-epoxy eziguqulwe yi-CTBN kanye nezinamathiselo zivumela ukuthi zilondoloze ubuqotho bazo kanye nokunamathela ngisho nalapho zibhekene namazinga okushisa ahlukahlukene kanye nokucindezeleka kwemishini.
Lokhu kuzenza zifaneleke kahle ukusetshenziswa ezindaweni lapho izembozo noma izinamathiselo zendabuko eziqinile zingase zingasebenzi khona, njengasekwakhiweni, engqalasizinda, kanye nezingxenye ze-elekthronikhi.
Ngaphezu kwezakhiwo zayo zemishini, I-polymer ye-CTBN futhi inikeza ukumelana okumangalisayo kwamakhemikhali. Ukuba khona kwamaqembu e-nitrile ku-polymer ye-CTBN kunikeza okuhle kakhulu
ukumelana namakhemikhali ahlukahlukene, okuhlanganisa izinyibilikisi, uphethiloli, kanye nama-asidi. Lokhu kwenza izembozo ze-epoxy ze-CTBN kanye nezinamathiselo zifanele ukusetshenziswa ezindaweni lapho kuvezwa khona
Kuyinkinga enkulu ngamakhemikhali anamandla, njengezindawo zokucubungula amakhemikhali, izindawo zikawoyela negesi, kanye nemisebenzi yokukhiqiza izimboni.
Ngaphezu kwalokho, ukwakheka kwe-CTBN kubonisa ukunamathela okuhle ezintweni ezahlukahlukene, okuhlanganisa izinsimbi, ipulasitiki, kanye nezinto ezihlanganisiwe. Lokhu kuvumela ukudalwa kwezibopho eziqinile nezihlala isikhathi eside phakathi kwezinto ezahlukene, okwenza Amakhemikhali e-CTBN izinti zokunamathisela ziyisinqumo esihle kakhulu sokusetshenziswa kwezibopho zesakhiwo ezimbonini ezifana nokwakha, ezokuthutha,
kanye nezinto zikagesi.
Ukuguquguquka kwe-CTBN kudlulela ekuvumelaneni kwayo nezinhlobo ezahlukene zezinto zokwelapha kanye nezithasiselo, okuvumela abakhiqizi ukuthi bahlele izakhiwo zezembozo zokugcina kanye nezinamathiselo
ukuhlangabezana nezidingo ezithile zokusebenza. Lokhu kuguquguquka kwenza kube lula ukuthuthukiswa kwezixazululo ezenzelwe wena zezinhlelo zokusebenza ezahlukahlukene, kusukela ekumbozweni okumelana nokugqwala
kuma-glue amelana nokushayisana.
Ekuphetheni, i-CTBN inikeza inhlanganisela ekhangayo yokuqina, ukuguquguquka, ukumelana namakhemikhali, kanye nokunamathela, okwenza kube ukukhetha okuhle kakhulu kokumbozwa okusebenzayo kakhulu.
kanye nezinamathelisi. Amandla ayo okuthuthukisa izakhiwo zemishini nezamakhemikhali ze-epoxy formulations ayenza ibe ithuluzi eliwusizo lokubhekana nezidingo ezidingakalayo ze
izimboni ezahlukahlukene. Njengoba ucwaningo nentuthuko kwisayensi ye-polymer iqhubeka nokuthuthuka, kulindeleke ukuthi i-epoxy ye-CTBN idlale indima ebaluleke kakhulu ekuthuthukisweni
izixazululo zokumboza kanye nezokunamathelisa ezintsha nezisimeme.
Sinikeza I-CTBN ngezinguqulo ezahlukene ezilandelayo, ukusebenza kufana ne-HUNSTMAN 1300X13 engathi sína.
| ITEM | I-CTBN-1 | I-CTBN-2 | I-CTBN-3 | I-CTBN-4 | I-CTBN-5 |
| Inani le-Carboxyl(mmol/g) | 0.45 - 0.55 | 0.55-0.65 | 0.45-0.65 | 0.65-0.75 | 0.5-0.7 |
| Ukubukeka | Uketshezi olunombala ophuzi, alukho ukungcola okubonakalayo | ||||
| Ukujiya (27℃,Pa.S) | ≤180 | ≤150 | ≤300 | ≤200 | ≤600 |
| Okuqukethwe kwe-Acrylonitrile,% | 8.0-12.0 | 8.0-12.0 | 18.0-22.0 | 18.0-22.0 | 24.0-28.0 |
| Umswakama, ubungako% ≤ | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
| Okuqukethwe okuguqukayo,% ≤ | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| Isisindo sama-molecule | 3600 - 4200 | 3000 - 3600 | 3000 - 3600 | 2500 - 3000 | 2800 - 4000 |
| * Ngaphezu kwalokho: Singakwazi ukucwaninga nokuthuthukisa noma yiluphi uhlobo olusha lwe-CTBN ngokwesidingo esikhethekile samakhasimende ethu. | |||||
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