09-01-2020 дата публикации
Номер: US20200010589A1
Принадлежит:
LG CHEM, LTD.
The present disclosure provides a supported hybrid catalyst which facilitates the preparation of polyolefins having improved bubble stability and exhibiting excellent processability for a blown film while maintaining high transparent haze and improved melt strength, and a method for preparing the same. 2. The supported hybrid catalyst of claim 1 ,{'sup': 1', '3', '6, 'wherein Rand Rto Rare each hydrogen, and'}{'sup': '2', 'Reach are any one of a C1 to C20 alkyl group, a C1 to C20 alkoxy group, a C2 to C20 alkenyl group, a C6 to C20 aryl group, a C7 to C20 arylalkyl group, and a C7 to C20 alkylaryl group.'}3. The supported hybrid catalyst of claim 1 ,{'sup': '1', 'wherein Mis Ti, Zr, or Hf,'}{'sup': 1', '2, 'Xand Xare the same as or different from each other, and are each independently any one of a halogen, a C1 to C20 alkyl group, and a C1 to C20 alkoxy group,'}{'sup': 1', '3', '6, 'Rand Rto Rare each hydrogen,'}{'sup': '2', 'Ris a C1 to C20 alkyl group, or a C6 to C20 aryl group,'}{'sup': 7', '10, 'Rto Rare the same as or different from each other, and are each independently any one of a C1 to C20 alkyl group, a C1 to C20 alkoxy group, and a C2 to C20 alkenyl group, and'}{'sup': 1', '2, 'Qand Qare each independently any one of a C1 to C20 alkyl group, a C1 to C20 alkoxy group, a C2 to C20 alkoxyalkyl group, a C6 to C20 aryl group, a C7 to C20 arylalkyl group, and a C7 to C20 alkylaryl group.'}5. The supported hybrid catalyst of claim 1 ,{'sup': '2', 'wherein Mis Ti, Zr, or Hf,'}{'sup': 3', '4, 'Xand Xare the same as or different from each other, and are each independently any one of a halogen, a C1 to C20 alkyl group, and a C1 to C20 alkoxy group,'}{'sup': 11', '12, 'Rand Rare the same as or different from each other, and are each independently any one of hydrogen, a C1 to C20 alkyl group, a C1 to C20 alkoxy group, and a C2 to C20 alkenyl group,'}{'sup': 13', '20', '13', '20, 'Rto Rare each independently any one of hydrogen, a C1 to C20 alkyl group, a C1 to C20 ...
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