PROPYLENE-BASED POLYMER, AND ELASTIC BODY

WIPO Patent Application WO/2018/164161

A1

Provided is a propylene-based polymer which satisfies (1)-(4) below: (1) the intrinsic viscosity [η] measured at 135˚C in a tetralin solvent is 0.3-5.0 dL/g; (2) the melting endotherm (ΔH-D), which is obtained from a melting endotherm curve acquired using a differential scanning calorimeter (DSC) as a result of holding a sample at -10˚C for 5 minutes in a nitrogen atmosphere, and subsequently increasing the temperature by 10˚C/min, is 3-30 J/g; (3) at least one melting point (Tm-D), of which the peak top is defined as the maximum point of the melting endotherm curve acquired using the DSC as a result of holding the sample at -10˚C for 5 minutes in the nitrogen atmosphere, and subsequently raising the temperature by 10˚C/min, is present in the range 20-65˚C; and (4) the melting endotherm (ΔH-D) in the range of 20-65˚C in the melting endotherm curve acquired using the DSC as a result of holding the sample at -10˚C for 5 minutes in the nitrogen atmosphere, and subsequently raising the temperature by 10˚C/minute, is at least 30% of the melting endotherm (ΔH-D) in (2).

FUJII NOZOMU (JP)
TAKEBE TOMOAKI (JP)
KANAMARU MASAMI (JP)
OKAMOTO TAKUJI (JP)

PCT/JP2018/008686

September 13, 2018

March 07, 2018

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IDEMITSU KOSAN CO (JP)

C08F10/06; C08F4/6592

WO2016047699A1	2016-03-31
WO2010018789A1	2010-02-18

JP2001226498A	2001-08-21
JP2000344833A	2000-12-12
JP2002327016A	2002-11-15
JP2010265473A	2010-11-25

HIRASAWA, Kenichi et al. (JP)

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