Ethylene-based polymer, polyethylene-based resin composition and use thereof, catalyst component for olefin polymerization, olefin polymerization catalyst containing the component, and method for producing ethylene-based polymer by using the catalyst

Patent metadata

Field	Value
Publication number	US-2016244544-A1
Application number	US-201615041044-A
Country	US
Kind code	A1
Filing date	Feb 11, 2016
Priority date	Mar 30, 2011
Publication date	Aug 25, 2016
Grant date	—

Abstract

An object of the present invention is to provide a polyethylene-based resin composition excellent in the moldability and at the same time, excellent in the balance between impact strength and stiffness as well as in the transparency, and a molded product and a film, which are obtained by the molding of the polyethylene-based resin composition. The polyethylene-based resin composition of the present invention comprises from 41 to 99 wt % of (A) an ethylene-based polymer satisfying specific conditions and from 1 to 59 wt/of (B) an ethylene-based polymer satisfying specific conditions, wherein MFR of the composition as a whole is from 0.05 to 50 g/10 min and the density is from 0.910 to 0.960 g/cm 3 .

First claim

1 - 14 . (canceled)

15 . An olefin polymerization catalyst component, comprising the following component (A-1b) and component (A-2b):
component (A-1 b): a metallocene compound represented by the following formula (3b):

in formula (3b), M 1b represents any one transition metal of Ti, Zr and Hf;
each of X 1b and X 2b independently represents a hydrogen atom, a halogen atom, a hydrocarbon group having a carbon number of 1 to 20, a hydrocarbon group containing an oxygen atom or a nitrogen atom and having a carbon number of 1 to 20, a hydrocarbon group-substituted amino group having a carbon number of 1 to 20, or an alkoxy group having a carbon number of 1 to 20; each of Q 1b and Q 2b independently represents a carbon atom, a silicon atom or a germanium atom; each R 1b independently represents a hydrogen atom or a hydrocarbon group having a carbon number of 1 to 10 and at least two members out of four R 1b may combine to form a ring together with Q 1b and Q 2b ; m b is 0 or 1 and when m b is 0, Q 1b is bonded directly to the conjugated 5-membered ring including R 2b and R 3b ; and each of R 2b , R 3b and R 4b independently represents a hydrogen atom, a halogen atom, a hydrocarbon group having a carbon number of 1 to 20, a silicon-containing hydrocarbon group containing from 1 to 6 silicons and having a carbon number of 1 to 18, a halogen-containing hydrocarbon group having a carbon number of 1 to 20, a hydrocarbon group containing an oxygen atom or a sulfur atom and having a carbon number of 1 to 40, or a silyl group substituted with a hydrocarbon group having a carbon number of 1 to 40 and out of R 2b , R 3b and R 4b , only either one pair of adjacent R 3b and R 3b and adjacent R 2b and R 3b may form a ring together with the carbon atoms to which the pair is bonded, and
component (A-2b): a metallocene compound represented by the following formula (8b) or (9b):

in formula (8b), M 2b represents any one transition metal of Ti, Zr and Hf; each of X 11b and X 12b independently represents a hydrogen atom, a halogen atom, a hydrocarbon group having a carbon number of 1 to 20, a hydrocarbon group containing an oxygen atom or a nitrogen atom and having a carbon number of 1 to 20, a hydrocarbon group-substituted amino group having a carbon number of 1 to 20, or an alkoxy group having a carbon number of 1 to 20;
Q 11b represents a carbon atom, a silicon atom or a germanium atom; each R 11b independently represents a hydrogen atom or a hydrocarbon group having a carbon number of 1 to 10 and two R 11b may combine with each other to form a ring together with Q 11b ; each of R 12b , R 14b , R 18b and R 19b independently represents a hydrogen atom, a halogen atom, a hydrocarbon group having a carbon number of 1 to 20, a silicon-containing hydrocarbon group containing from 1 to 6 silicons and having a carbon number of 1 to 18, a halogen-containing hydrocarbon group having a carbon number of 1 to 20, a hydrocarbon group containing an oxygen atom or a sulfur atom and having a carbon number of 1 to 40, or a silyl group substituted with a hydrocarbon group having a carbon number of 1 to 40, provided that R 12b and R 14b do not form a ring together with the carbon atoms to which these members are bonded; R 18b and R 19b may form a ring together with the carbon atoms to which these members are bonded; and
R 12b on the 2-position include an oxygen-containing heterocyclic group and a sulfur-containing heterocyclic group, represented by the following formula (10b):

in formula (10b), R 21b and R 22b may be the same as or different from each other and is a hydrogen atom, a halogen atom, an alkyl group having a carbon number of 1 to 6, an alkoxy group having a carbon number of 1 to 6, an alkenyl group having a carbon number of 2 to 8, a halogen-containing alkyl group having a carbon number of 1 to 6, an aryl group having a carbon number of 6 to 18, a halogen-containing aryl group having a carbon number of 6 to 18, an alkyl group having a carbon number of 1 to 3 and containing a trialkylsilyl group with the alkyl group having a carbon number of 1 to 3, or a silyl group containing a hydrocarbon group having a carbon number of 1 to 6. Both of R 21b and R 22b may together constitute a 6- or 7-membered ring, and the 6- or 7-membered ring may contain an unsaturated bond;

in formula (9b), M 2b represents any one transition metal of Ti, Zr and Hf; each of X 11b and X 12b independently represents a hydrogen atom, a halogen atom, a hydrocarbon group having a carbon number of 1 to 20, a hydrocarbon group containing an oxygen atom or a nitrogen atom and having a carbon number of 1 to 20, a hydrocarbon group-substituted amino group having a carbon number of 1 to 20, or an alkoxy group having a carbon number of 1 to 20;
Q 11b represents a carbon atom, a silicon atom or a germanium atom; each R 11b independently represents a hydrogen atom or a hydrocarbon group having a carbon number of 1 to 10 and two R 11b may combine with each other to form a ring together with Q 11b ; each of R 12b , R 14b and R 15b independently represents a hydrogen atom, a halogen atom, a hydrocarbon group having a carbon number of 1 to 20, a silicon-containing hydrocarbon group containing from 1 to 6 silicons and having a carbon number of 1 to 18, a halogen-containing hydrocarbon group having a carbon number of 1 to 20, a hydrocarbon group containing an oxygen atom or a sulfur atom and having a carbon number of 1 to 40, or a silyl group substituted with a hydrocarbon group having a carbon number of 1 to 40, provided that at least one of R 12b located on the 2-position of the indenyl ring and R 14b and R 15b located on the 2-position and 5-position of the cyclopentadienyl ring is not a hydrogen atom and R 12b , R 14b and R 15b do not form a ring together with the carbon atoms to which these members are bonded; and R 18b may form a ring together with the carbon atom to which R 18b is bonded.

16 . An olefin polymerization catalyst component, comprising a metallocene compound represented by the following formula (1c):

in formula (1c), M 1c represents any one transition metal of Ti, Zr and Hf;
each of X 1c and X 2c independently represents a hydrogen atom, a halogen atom, a hydrocarbon group having a carbon number of 1 to 20, a hydrocarbon group containing an oxygen atom or a nitrogen atom and having a carbon number of 1 to 20, a hydrocarbon group-substituted amino group having a carbon number of 1 to 20, or an alkoxy group having a carbon number of 1 to 20;
each of Q 1c and Q 2c independently represents a carbon atom, a silicon atom or a germanium atom;
each R 1c independently represents a hydrogen atom or a hydrocarbon group having a carbon number of 1 to 10 and at least two members out of four R 1c may combine to form a ring together with Q 1c and Q 2c ;
m c is 0 or 1 and when m c is 0, Q 1c is bonded directly to the conjugated 5-membered ring including R 2c ;
each of R 2c and R 4c independently represents a hydrogen atom, a halogen atom, a hydrocarbon group having a carbon number of 1 to 20, a silicon-containing hydrocarbon group containing from 1 to 6 silicons and having a carbon number of 1 to 18, a halogen-containing hydrocarbon group having a carbon number of 1 to 20, a hydrocarbon group containing an oxygen atom and having a carbon numbe

Assignees

• Japan Polyethylene Corp

Inventors

• Ishihama Yoshiyuki
• ASAKAWA Ryousuke
• Sakuragi Tsutomu
• FUKUDA Tetsurou
• Sakata Kazuya
• Aoki Masaru
• Kawagishi Kenji
• Yoshimoto Keiichi

Classifications

• C08F4/65916

  supported on a carrier, e.g. silica, MgCl2, polymer · CPC title

• C08L23/0815

  with aliphatic 1-olefins containing one carbon-to-carbon double bond · CPC title

• C08L2205/025

  containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure · CPC title

• C08F210/16 Primary

  Copolymers of ethene with alpha-alkenes, e.g. EP rubbers · CPC title

• C08L2314/06

  Metallocene or single site catalysts · CPC title