Abstract: The catalytic oxidation experiments were carried out to prepare the horniness oxidized wax from paraffin wax and polyethylene. The results show that good products can be obtained under the following conditions: reaction temperature 170 ℃, reaction time 7 h, mass ratio of paraffin wax and polyethylene 7∶3, the amount of catalyst 0.01%, the amount of additive 1.0%, the air flow 0.20 m3/h. acid number of the product was 9.82 mg(KOH)/g, saponification number is 79.19 mg(KOH)/g, penetration is 9.2 (0.1 mm), melting point was 87.4 ℃, index of refraction(75 ℃ ) was 1.453 6. As compared with natural hard wax(carnauba wax)，their properties were quite similar each other.

Key words: Wax, Oxidation, Hardness, Penetration

摘要： 以石蜡和聚乙烯蜡为主要原料，进行催化氧化反应，制得硬质氧化蜡。结果表明,当反应温度为170 ℃，反应时间为7 h，m(石蜡)∶m(聚乙烯蜡)为7∶3，催化剂质量分数为0.01%，助剂质量分数为1.0%，空气流量为0.20 m3/h时，所得氧化蜡的酸值为9.82 mg(KOH)/g，皂化值为79.19 mg(KOH)/g，针入度为9.2 (0.1 mm)，滴熔点为87.4 ℃，75 ℃折光率为1.453 6，与天然硬蜡（巴西棕榈蜡）的性质非常接近。

关键词: 蜡, 氧化, 硬度, 针入度 