BUTENE-BASED POLYMER, RESIN COMPOSITION, AND MOLDED OBJECT

Title:

BUTENE-BASED POLYMER, RESIN COMPOSITION, AND MOLDED OBJECT

Document Type and Number:

WIPO Patent Application WO/2017/130895

Kind Code:

A1

Abstract:

[Problem] To provide a butene-based polymer in which the time period required for a crystal transition is short and which has excellent creep resistance. [Solution] A butene-based polymer which comprises 80.0-99.9 mol% 1-butene units and 0.1-20.0 mol% the sum (K) of units of at least one olefin selected from among ethylene and C3-20 α-olefins excluding 1-butene (the total of the 1-butene units and the sum (K) is taken as 100 mol%) and which satisfies requirements (i) to (iv): (i) to have an mmmm content, as determined by 13C-NMR, of 94.0-99.9%; (ii) to have an rr content, as determined by 13C-NMR, of 1.5% or less; (iii) to have an intrinsic viscosity [η] in 135°C decalin solvent of 0.5-5.5 dl/g; and (iv) to have a proportion of components having a molecular weight of 10,000 or lower, as determined by GPC, of less than 1.3 mass%.

Inventors:

WATANABE MAYUMI (JP)
OKAMOTO MASAHIKO (JP)
YAMASHITA MASAHIRO (JP)
EBISAWA IKUKO (JP)
MITA KAZUKI (JP)

Application Number:

PCT/JP2017/002105

Publication Date:

August 03, 2017

Filing Date:

January 23, 2017

Export Citation:

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Assignee:

MITSUI CHEMICALS INC (JP)

International Classes:

C08F210/08; C08L23/20

Domestic Patent References:

WO2003070786A1	2003-08-28
WO2014050817A1	2014-04-03

Foreign References:

JP2005509062A	2005-04-07
JP2010501700A	2010-01-21
JP2011168784A	2011-09-01
JP2010150433A	2010-07-08

Other References: