CTBN yog ib qho polymer uas muaj ntau yam zoo uas sib xyaw cov khoom ntawm butadiene thiab acrylonitrile. Nws yog siv dav ua ib qho toughener hauv epoxy resins, thermoplastics thiab lwm yam khoom siv los txhim kho lawv cov durability, impact resistant thiab elasticity. Cov elastomer no muaj nyob rau hauv ntau qib nrog cov molecular weights sib txawv thiab carboxyl contents los muab cov kev daws teeb meem raws li cov khoom xav tau.
Ib qho ntawm cov khoom tseem ceeb ntawm CTBNyog nws qhov kev ywj pheej zoo heev thaum kub qis. Nws tseem ywj pheej thiab ywj pheej txawm tias nyob rau hauv qhov kub txias heev, ua rau nws zoo tagnrho rau thaj chaw arctic lossis daim ntawv thov uas yuav tsum tau raug rau qhov kub qis. Cov khoom no ua kom ntseeg tau tias cov ntaub ntawv uas muaj CTBN tswj tau lawv qhov kev ua tau zoo txawm tias nyob rau hauv cov xwm txheej hnyav.
Tsis tas li ntawd xwb, CTBN muaj kev nplaum zoo heev rau ntau yam khoom siv, suav nrog cov hlau, yas thiab cov khoom sib xyaw. Cov khoom nplaum no ua rau nws yog ib qho khoom siv ntxiv rau hauv cov txheej txheem, cov nplaum thiab cov sealants, txhim kho lawv lub zog sib txuas thiab lub neej ua haujlwm. CTBN qhov sib xws nrog ntau yam khoom siv ua rau nws muaj txiaj ntsig zoo hauv ntau yam lag luam.
Tsis tas li ntawd xwb, CTBN kuj paub txog nws txoj kev tiv taus kev cuam tshuam zoo heev. Nws nqus thiab faib lub zog ntawm kev cuam tshuam, tiv thaiv cov khoom kom tsis txhob tawg thiab tawg. Cov khoom no muaj txiaj ntsig zoo rau cov ntawv thov uas qhov kev cuam tshuam thiab kev cuam tshuam tseem ceeb, xws li aerospace, automotive, thiab cov khoom siv kis las. Los ntawm kev koom ua ke CTBN rau hauv cov ntaub ntawv no, cov chaw tsim khoom tuaj yeem ua kom lawv cov khoom tuaj yeem tiv taus cov xwm txheej kev pabcuam hnyav.
Lwm thaj chaw uas muaj CTBNzoo tshaj plaws yog muab kev tawv thiab elasticity rau cov polymers tawv. Los ntawm kev sib xyaw CTBN nrog cov thermoset polymers xws li epoxy resins, cov khoom sib xyaw ua ke ua rau pom kev tawv thiab tawg tsis kam. Cov cuab yeej no muaj txiaj ntsig zoo hauv kev tsim cov khoom xws li cov tshuab hnyav, cov khoom siv thiab cov insulators hluav taws xob.
Qhov kev sib xyaw ua ke ntawm cov khoom uas CTBN muab ua rau nws yog cov khoom siv muaj txiaj ntsig hauv ntau qhov chaw. Cov kws ua haujlwm aerospace siv CTBN rau cov foob elastomeric, gaskets thiab cov khoom siv vibration-damping. Hauv kev lag luam tsheb, CTBN yog siv rau hauv cov khoom nqus kev cuam tshuam, cov txheej txheem hauv qab lub cev thiab cov khoom siv roj.CTBNkuj tseem siv dav hauv kev tsim cov khoom ua si zoo, suav nrog cov pob golf, cov pas hockey thiab cov khau kis las.
Hauv kev xaus lus, CTBN (carboxyl-terminated butadiene acrylonitrile) yog ib qho elastomer uas ua tau ntau yam uas ua rau cov khoom siv zoo dua. Nrog nws qhov yooj ywm zoo heev thaum kub qis, kev nplaum, kev tiv thaiv kev cuam tshuam thiab kev tawv, CTBN siv dav hauv kev lag luam xws li aerospace, automotive thiab kev ua si. Thaum thev naus laus zis nce qib thiab qhov xav tau cov ntaub ntawv ua tau zoo nce ntxiv, CTBN yuav txuas ntxiv ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev ntseeg tau thiab kev ruaj khov ntawm ntau yam khoom.
Peb yog tus neeg muag khoom CTBN saum toj kawg nkaus hauv Suav teb, muab ntau hom CTBN thiab lwm yam khoom cuam tshuam xws li HTPB, ATBN, ATPB, thiab lwm yam. lub sijhawm no peb tuaj yeem tshawb nrhiav thiab tsim cov CTBN tshiab raws li qhov kev thov tshwj xeeb ntawm peb cov neeg siv khoom. Nov yog peb qee qib ntawm CTBN, yog xav paub ntxiv thov hu rau ntawm info@theoremchem.com
| YAM KHOOM | CTBN-1 | CTBN-2 | CTBN-3 | CTBN-4 | CTBN-5 |
| Tus nqi Carboxyl (mmol / g) | 0.45 – 0.55 | 0.55-0.65 | 0.55-0.65 | 0.65-0.75 | 0.6-0.7 |
| Qhov tsos | Kua Amber Viscous, tsis pom qhov tsis huv | ||||
| Viscosity (27 ℃, Pa.S) | ≤180 | ≤150 | ≤200 | ≤100 | ≤550 |
| Cov ntsiab lus Acrylonitrile,% | 8.0-12.0 | 8.0-12.0 | 18.0-22.0 | 18.0-22.0 | 24.0-28.0 |
| Nqus dej, wt% ≤ | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
| Cov Ntsiab Lus Uas Tsis Txawj Hloov,% ≤ | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| Qhov hnyav ntawm cov molecule | 3600 – 4200 | 3000 – 3600 | 3000 – 3600 | 2500 – 3000 | 2300 – 3300 |
| * Ntxiv rau: Peb tuaj yeem tshawb nrhiav thiab tsim kho txhua qhov version tshiab ntawm CTBNraws li qhov kev thov tshwj xeeb ntawm peb cov neeg siv khoom. | |||||
Lub sijhawm tshaj tawm: Lub Kaum Hli-15-2023