| 摘要 |
<p>Compsn. contains ca. 15 (wt.) pts. polyether-diamine (I) and 10 pts. trimethyl deriv. (II) of hexamethylene-diamine per 100 pts. trimethyl deriv. (II) of hexamethylene-diamine per 100 pts. nosphenol A epoxide resin (III), which pref. has an epoxide equiv. wt. of ca. 190. The compsn. has a better softening temp. and hardening time. In an example, a mixt. of 100 pts. (III), 15.6 pts. (I) and 10.4 pts. (II) cured in 15 mins. at 85 degrees C to a prod. with an impact strength of 1.1 ft. lb./in. and a softening temp. of 75 degrees C.</p> |
