zinthu

Mankhwala a Konkriti

  • Diethanolisopropanolamine Yothandizira Kupera Simenti

    Diethanolisopropanolamine Yothandizira Kupera Simenti

    Diethanolisopropanolamine (DEIPA) imagwiritsidwa ntchito kwambiri pogaya simenti, yomwe imagwiritsidwa ntchito m'malo mwa Triethanolamine ndi Trisopropanolamine, ndipo imakhala ndi mphamvu yabwino kwambiri yogaya. Popeza Diethanolisopropanolamine ndi chinthu chachikulu chogaya chimathandiza kulimbitsa mphamvu ya simenti kwa masiku atatu nthawi imodzi, imatha kuwonjezera mphamvu ya masiku 28.

  • Triisopropanolamine Yopangira Konkire Yosakaniza Mankhwala

    Triisopropanolamine Yopangira Konkire Yosakaniza Mankhwala

    Triisopropanolamine (TIPA) ndi mankhwala a alkanol amine, ndi mtundu wa mowa womwe umakhala ndi hydroxylamine ndi mowa. Mamolekyu ake ali ndi amino komanso hydroxyl, kotero ali ndi magwiridwe antchito athunthu a amine ndi mowa, ali ndi ntchito zosiyanasiyana zamafakitale, ndipo ndi chinthu chofunikira kwambiri chopangira mankhwala.