Method for preparing Ziegler-Natta catalyst for polymerization of low-density copolymer

• Main Authors: YANG JINHAEK, KANG MUN HYUNG, EO MAENGSUN
• Format: Patent
• Language: English; Korean
• Published: 27.10.2023
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

본 개시는 저밀도 공중합체 중합용 지글러-나타 촉매의 제조방법에 관한 것으로, 구체적으로 염화마그네슘 담지체의 할로겐 원료로서 무기 염화물을 사용하여 염화마그네슘 담지체를 제조하는 단계를 포함하는 제조방법에 관한 것이다. 일 구현예에 따른 지글러-나타 촉매의 제조방법은 염화마그네슘 담지체의 제조 시 무기 염화물을 사용함으로써, 반응 조건이 용이하고 불순물 생성이 최소화되므로 대량 제조가 용이하다. The present disclosure relates to a method for preparing a Ziegler-Natta catalyst for polymerization of a low-density copolymer, and in particular, to a method for preparing a Ziegler-Natta catalyst including preparing a magnesium chloride support using an inorganic chloride as a halogen source of the magnesium chloride support. In the method for preparing a Ziegler-Natta catalyst according to an embodiment, an inorganic chloride is used when preparing the magnesium chloride support, such that reaction conditions are mild and generation of impurities is minimized, which is preferable for large-scale preparation of catalysts.