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polyamidoamine hyper-ramifiee
hyperbranched polyamidoamine
Son Güncelleme: 2014-11-25
Kullanım Sıklığı: 4
Kalite:
polyamidoamine 4-11 et 2.
a polyamido amine 4 - 11 and 2.
Son Güncelleme: 2014-12-04
Kullanım Sıklığı: 2
Kalite:
a polyamine, or a precondensate of polyamine and epichlorohydrin, can also be reacted with the polyamidoamine under the same reaction conditions.
a polyamine, or a precondensate of polyamine and epichlorohydrin, can also be reacted with the polyamidoamine under the same reaction conditions.
another type of useful resin is prepared by condensing, at acid ph, the polyamidoamine with formaldehyde, dicyandiamide and an ammonium salt.
another type of useful resin is prepared by condensing, at acid ph, the polyamidoamine with formaldehyde, dicyandiamide and an ammonium salt.
for reaction with epichlorohydrin, the polyamidoamine is first diluted further with water to form a 10-30% solution.
for reaction with epichlorohydrin, the polyamidoamine is first diluted further with water to form a 10-30% solution.
epichlorohydrin is then added in an amount corresponding to from 0.3 to 3, preferably 1.5 to 2.0, moles per mole of amine in the polyamidoamine.
epichlorohydrin is then added in an amount corresponding to from 0.3 to 3, preferably 1.5 to 2.0, moles per mole of amine in the polyamidoamine.
utilisation de polyamidoamines non thermodurcissables comme resines conferant une resistance a l'etat sec
use of non-thermosetting polyamidoamines as dry-strength resins