Propylene resin composition and method for evaluating the same

Details Propylene resin composition and method for evaluating the same Propylene resin composition and method for evaluating the same

1998-08-05

2000-03-21

Szekely, Peter A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525323, 526348, 526351, C08K 334, C08F11006, C08F21006, C08L 2312

Patent

active

060403748

ABSTRACT:
There is provided a propylene resin composition having an Izod impact strength (23.degree. C., notched) of not less than 5 kJ/m.sup.2 and a flexural modulus of not less than 500 MPa, wherein as measured by electron spectroscopy for chemical analysis, the ratio of the valence electron spectral intensity at a bond energy of 16.5 eV to the valence electron spectral intensity at a bond energy of 13.5 eV, I 16.5/I 13.5, is in the range of 1.6 to 2.0.
There is also provided a method for evaluating a propylene resin composition, which comprises subjecting a propylene resin composition to electron spectroscopy for chemical analysis to measure the ratio of the valence electron spectral intensity at a bond energy of 16.5 eV to the valence electron spectral intensity at a bond energy of 13.5 eV, I 16.5/I 13.5; and evaluating, based on the ratio, the amount of a rubber component present on the surface of the composition.

REFERENCES:
patent: 5374677 (1994-12-01), Nishio et al.
patent: 5451642 (1995-09-01), Abe et al.
patent: 5563194 (1996-10-01), Watanabe et al.
patent: 5708083 (1998-01-01), Kawamura et al.
patent: 5744535 (1998-04-01), Akagawa et al.

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