PRODUCTION METHOD OF FORMALDEHYDE-REZORCINOL-PHENOL ADHESIVE
摘要
<p>Cold-bonding resorcinol-formaldehyde adhesive is prepd. by condensation of resorcinol-formaldehyde in the presence of sodium-hydroxide. Condensation in alkaline medium yields a resol with diminished formaldehyde concn. which is cold setting by the addn. of paraformaldehyde, a neutral hardener.</p>
申请公布号
RO102663(A2)
申请公布日期
1991.09.09
申请号
RO19890137653
申请日期
1989.01.09
申请人
INSTITUTUL DE CERCETARI SI PROIECTARI PENTRU INDUSTRIA LEMNULUI, BUCURESTI, RO
