Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
プロピレン系重合体の製造方法
Document Type and Number:
Japanese Patent JP7476608
Kind Code:
B2
Abstract:
To provide a method for producing propylene-based polymer having a small amount of amorphous component and high stereoregularity.SOLUTION: A method for producing propylene-based polymer in which following component (A), component (B), component (C) and component (D) are brought into contact with one another under the presence of a polymerization monomer to perform polymerization processing to the polymerization monomer. Component (A): a solid component containing titanium, magnesium, halogen, and electron donor. Component (B): an organic aluminum compound. Component (C): an alkoxysilane compound. Component (D): an unsaturated cyclic ether compound.SELECTED DRAWING: None

Inventors:
Toshiaki Taniike
Koji Nakayama
Masahide Murata
Takehiro Sagae
Application Number:
JP2020055388A
Publication Date:
May 01, 2024
Filing Date:
March 26, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Japan Polypropylene Corporation
International Classes:
C08F10/06; C08F4/654
Domestic Patent References:
JP2007119514A
JP2002249507A
Attorney, Agent or Firm:
Tatsuto Kishimoto
Akihiko Yamashita
Noriaki Yamamoto