Patent
Metal complex and method for producing the same, catalyst component for olefin polymerization and catalyst for olefin polymerization containing the metal complex, and methods for producing ?-olefin polymer and copolymer using the catalyst for olefin polymerization
Kyoko Nozaki,Ito Shingo,Tao Wen-Jie,Yohei Konishi,Otaki Hisashi,Yasuo Oishi,Akio Tanna,Takao Tayano +7 more
- 15 Feb 2018
1
TL;DR: In this article, a metal complex is obtained by bringing a compound represented by formula [I] or [II] into contact with a transition metal compound containing transition metal of group 9, 10, or 11 in the periodic table.
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Abstract: PROBLEM TO BE SOLVED: To provide a novel catalyst component having excellent polymerization activity for the production of α-olefin polymers and copolymers, particularly high-molecular-weight polymers, and methods for producing α-olefin polymers and copolymers using the same.SOLUTION: A metal complex is obtained by bringing a compound represented by formula [I] or [II] into contact with a transition metal compound containing a transition metal of group 9, 10, or 11 in the periodic table. [Ris a C1-30 linear alkyl group, a C3-30 cycloalkyl or the like; R-Rindependently represent H, halogen, a C1-30 linear alkyl group, a C3-30 cycloalkyl group, OR, COM', CON(R)and the like; Eis P, As or Sb; Xis O or S; Z is H or a leaving group; m is a valence of Z].SELECTED DRAWING: None
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Patent
Pressure sensor device
Suzu Soichiro
- 21 Aug 2020
TL;DR: In this paper, a pressure sensor device with external connection terminals, a second board stacked on an upper surface of the first board and including a first through hole and a second through hole, and a cover that is mounted on the second board to cover the pressure sensor element is presented.