1.Three kind of various polyamine benzoxazine ,MDA60-BOZ, PM-BOZ and PN-BOZ are prepared from formaldehyde, phenol, aniline and melamine while PM is synthesized through the reaction between melamine, formaldehyde and phenol, and PN is synthesized by rearrangement reaction of condensation between formaldehyde and aniline at 90-95℃.
本文以甲醛、苯酚、苯胺、三聚氰胺和MDA60等为原料,分别合成了MDA60型苯并?f嗪、含三氰环型苯并?f嗪和苯胺—甲醛型苯并?f嗪等三种多元胺型苯并?f嗪,并将MDA60型苯并?f嗪与环氧树脂、无机阻燃剂(
氢氧化铝、
氢氧化镁)进行复配。
7.Magnesium-hydroxide powder features high purity, well distributed particle size, extremely low in impurity.
氢氧化镁纯度高,颗粒均匀,重金属等杂质含量低,可在多个领域广泛应用。