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发明授权
CN105062555B 一种煤制α-烯烃为原料合成茂金属聚α-烯烃的方法 有权 复审申请

一种煤制α-烯烃为原料合成茂金属聚α-烯烃的方法
摘要：
本发明公开了一种煤制α‑烯烃为原料合成茂金属聚α‑烯烃的方法。该方法为：对煤制α‑烯烃进行馏分切割，获取80℃～240℃馏分段；前述获取的80～240℃馏分段的煤制α‑烯烃，去除其中的含氧化合物；前述去除含氧化合物的煤制α‑烯烃经预热后，加入茂金属催化剂溶液进行聚合反应，获得聚合产物；聚合反应通过加入淬灭剂淬灭反应，再加入固体吸附剂脱除聚合产物中的催化剂残留金属及硼化物。本发明以费托合成工艺生产的煤制α‑烯烃为聚合原料，在茂金属催化剂的作用下合成出了粘温性能优良的mPAO；替代了价格高昂的纯α‑烯烃聚合原料，一方面降低了PAO的生产成本，另一方面，提高了费托合成工艺的经济性。
摘要（英）：

The invention discloses a method for synthesizing metallocene poly-alpha-olefin (mPAO) from alpha-olefin-prepared-from-coal as a raw material. The method comprises: performing fraction cutting on alpha-olefin-prepared-from-coal to obtain fraction sections of 80-240 DEG C; removing oxy-compounds in alpha-olefin-prepared-from-coal with the obtained fraction sections of 80-240 DEG C; preheating alpha-olefin-prepared-from-coal subjected to oxy-compound removal, and adding a metallocene catalyst solution for performing a polymerization reaction to obtain a polymerization product; and in the polymerization reaction, adding a quenching agent for performing a quenching reaction, and adding a solid adsorbent for removing residual metal and boride of the catalyst in the polymerization product. According to the method, mPAO with excellent viscosity-temperature property is synthesized from alpha-olefin-prepared-from-coal produced with a Fischer-Tropsch synthesis process in the presence of the metallocene catalyst; and a high-price pure alpha-olefin polymerization raw material is replaced, so that the production cost of PAO is reduced on one hand and the economy of the Fischer-Tropsch synthesis process is improved on the other hand.

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