Calcium Formate (Ca(HCOO)2) a ɛwɔ Cement Hydration mu: Nsunsuansoɔ ne akwan a wɔfa so yɛ

Wɔde calcium formate (Ca(HCOO)2), a ɛyɛ polyol a wɔyɛ no akyi ade, di dwuma kɛse wɔ semɛnte mu sɛ ade a ɛma ɛyɛ ntɛmntɛm, srade, ne nea ɛma ahoɔden yɛ kɛse, na ɛma bere a ɛyɛ den ne nea ɛma ɛyɛ ntɛmntɛm no yɛ tiaa kɛse.

Wɔ Portland semɛnte a ɛyɛ mmerɛw mu no, Ca(HCOO)2 boa ma nsu a ɛwɔ C3S (tricalcium silicate) mu no nya nsu na ɛma ettringite (AFt) a ɛba no yɛ kɛse, na ɛnam so ma ahoɔden a ɛba ntɛm no yɛ kɛse. Nanso, wɔda so ara nhwehwɛɛ nkɛntɛnso a enya wɔ nsu a ɛwɔ sulphoaluminate cement (SAC) mu no mu.

Wɔ saa nhwehwɛmu yi mu no, yɛhwehwɛɛ nkɛntɛnso a Ca(HCOO)2 nya wɔ SAC nsu a ɛba ntɛm so denam nhwehwɛmu a yɛyɛɛ so:

• Bere a wɔde besi hɔ
• Hydration ɔhyew
• XRD (X-ray a ɛma wotumi hu ade) .
• TG-DSC (thermogravimetric-nsonsonoe a wɔde hwehwɛ calorimetry) .
• SEM (ɛlektrɔnik afiri a wɔde hwɛ nneɛma nketenkete a wɔde hwehwɛ nneɛma mu) .

Nneɛma a wɔahu no ma yenya nhumu wɔ ɔkwan a Ca(HCOO)2 fa so yɛ adwuma wɔ SAC nsu mu, na ɛboa ma yɛte ne dwumadi ase kɛse wɔ semɛnte nhyehyɛe foforo mu.

Klik ha na woanya sika a wɔatew so wɔ calcium formate ho.

Hokwan a ɛbɛma wɔakora sika so ama Calcium formate a wɔbɛtɔ!
Woanya orders a ɛreba? Momma yɛnto nsɛm a ɛfata mu.