반응 #343011

ord-ff94c73338bd4239a6f14b64da6e4f89

용매

반응 조건

온도
70°CELSIUS
상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    workup.ADDITIONwere added to the mixture

실험 절차

A mixture of 630 g of melamine and 1620 g of an aqueous 37% solution of formaldehyde (hereinafter referred to as formalin) adjusted to pH of 9.0 by addition of an aqueous 2% solution of sodium hydroxide was heated to 70° C., and after the dissolution of melamine into formalin, 2250 g of water were added to the mixture and the whole mixture was stirred for 3 min to obtain an aqueous solution of melamine-formaldehyde prepolymer.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US04699658uspto-grants-1987_10