CTPB Carboxyl-terminated polybutadiene (CTPB) CAS 586976-24-1
CTPB yog cov roj hmab polybutadiene kua nrog cov pawg carboxyl ntawm ob qho kawg ntawm lub molecule, uas muaj kev tiv taus txias thiab elasticity zoo heev.
Cov pawg kawg ntawm carboxyl tuaj yeem ua rau epoxy resin ua haujlwm tau zoo, uas ua rau epoxy resin tawv dua. Piv nrog CTBN, CTPB muaj viscosity qis dua, ua haujlwm tau zoo dua thaum kub qis thiab yooj ywm dua.
CTPB feem ntau yog siv los ua tus neeg sawv cev rau cov nplaum epoxy resin thiab sealants, nws kuj tseem siv tau cais rau kev tsim cov ntaub ntawv sealing, nplaum, txheej, elastic fibers, thiab cov ntaub ntawv cuav Tawv, roj hmab hloov kho, thiab lwm yam.
Ua ib qho roj propellant
Ntim rau hauv 50kg / nruas, 170kg / nruas, Lub sijhawm cia khoom yog 1 xyoos.
Cov lus qhia txog kev nyab xeeb:
Kev khaws cia yuav tsum tau khaws cia rau qhov chaw txias, qhuav thiab muaj cua nkag. Qhov kub zoo tshaj plaws yog -20 ~ 38 ℃. Lub sijhawm khaws cia yog 12 lub hlis, yog tias tas sij hawm, tseem siv tau yog tias ua tau raws li tus qauv los ntawm kev rov kuaj dua. Thaum thauj mus los yuav tsum tsis txhob los nag lossis tshav ntuj. Tsis txhob sib tov nrog cov tshuaj oxidizing muaj zog.
| YAM KHOOM | CTPB-1 | CTPB-2 | CTPB-3 | CTPB-4 | CTPB-5 |
| Tus nqi Carboxyl (mmol / g) | 0.40 - 0.47 | 0.68 - 0.75 | 0.65 - 0.70 | 0.71 - 0.80 | 0.81 - 1.00 |
| Viscosity (40 ℃, Pa.S) | ≤15 | ≤12 | ≤4.0 | ≤3.5 | ≤3.0 |
| Nqus dej, wt% ≤ | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
| Kev ua haujlwm | 1.75 - 1.95 | 1.90 - 2.10 | - | - | - |
| Qhov hnyav ntawm cov molecule | 4100 - 4500 | 2800 - 3400 | 3000 - 3600 | 2700 - 3300 | 2400 - 2800 |
| * Ntxiv rau: Peb tuaj yeem tshawb nrhiav thiab tsim txhua yam tshiab ntawm CTPB raws li qhov xav tau tshwj xeeb ntawm peb cov neeg siv khoom. | |||||
| 1. | HTPB Khoom Propellant Hydroxyl-Terminated Polybutadiene HTPB CAS 69102-90-5 |
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| 5. | HTBS / HTPB-styrene copolymer |
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| 7. | ATBN / Cov roj hmab nitrile butadiene uas muaj amino-terminated |
| 8. | MLPB / maleic polybutadiene |
| 9. | CTBN / Carboxylated-terminated kua roj hmab acrylonitrile |
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