Carbon fiber-containing polypropylene composition
AssigneeSumitomo Chemical Company, Limited
InventorsShun Takahashi, Masahiko Numakura, Kenichi Seno
Life of this patent
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Abstract
Provided is a fiber-reinforced polypropylene composition having a light weight and improved mechanical strength. A carbon fiber-containing polypropylene composition contains a predetermined amount of each of polypropylene (component 1), carbon fiber (component 2), and modified polypropylene (component 3), wherein the component 2 contains a predetermined amount of each of a C—O bond, a C═O bond, an O—C═O bond, a C—C bond, and a C—N bond.
Claims6
A carbon fiber-containing polypropylene composition comprising polypropylene (component 1), carbon fiber (component 2), and carbodiimide-modified polypropylene (component 3), and satisfying all of the following requirements:
- Requirement 1:
- the content of the component 1 is 30 to 98 wt %, the content of the component 2 is 1 to 50 wt %, and the content of the component 3 is 1 to 20 wt %, with respect to 100 wt % of the total weight of the component 1, the component 2, and the component 3;
- and
- Requirement 2-1:
- the component 2 contains the C—O bond, the C═O bond, the O—C═O bond, the C—C bond, and the C—N bond, wherein the content of the C—O bond is 1 to 24% with respect to 100% of a total spectrum area of the C—O bond, the C═O bond, the O—C═O bond, the C—C bond, and the C—N bond, wherein the total spectrum area is analyzed by X-ray Photoelectron Spectroscopy.
A carbon fiber-containing polypropylene composition comprising polypropylene (component 1), carbon fiber (component 2), and carbodiimide-modified polypropylene (component 3), and satisfying all of the following requirements:
- Requirement 1:
- the content of the component 1 is 30 to 98 wt %, the content of the component 2 is 1 to 50 wt %, and the content of the component 3 is 1 to 20 wt % with respect to 100 wt % of a total weight of the component 1, the component 2, and the component 3;
- and
- Requirement 2-2:
- the component 2 contains the C—O bond, the C═O bond, the O—C═O bond, the C—C bond, and the C—N bond, wherein the total content of the C═O bond and the O—C═O bond is 4 to 15% with respect to 100% of a total spectrum area of the C—O bond, the C═O bond, the O—C═O bond, the C—C bond, and the C—N bond, wherein the total spectrum area is analyzed by X-ray Photoelectron Spectroscopy.
A carbon fiber-containing polypropylene composition comprising polypropylene (component 1), carbon fiber (component 2), and carbodiimide-modified polypropylene (component 3), and satisfying all of the following requirements:
- Requirement 1:
- the content of the component 1 is 30 to 98 wt %, the content of the component 2 is 1 to 50 wt %, and the content of the component 3 is 1 to 20 wt %, respectively, with respect to 100 wt % of a total weight of the component 1, the component 2, and the component 3;
- and
- Requirement 2-3:
- the component 2 contains the C—O bond, the C═O bond, the O—C═O bond, the C—C bond, and the C—N bond, wherein the content of the C—O bond is 1 to 24% and the total content of the C═O bond and the O—C═O bond is 4 to 15% with respect to 100% of a total spectrum area of the C—O bond, the C═O bond, the O—C—O bond, the C—C bond, and the C—N bond, wherein the total spectrum area is analyzed by X-ray Photoelectron Spectroscopy.
Dependencies are inferred from the claim text.