Carbon black

Patent metadata

Field	Value
Publication number	US-9522990-B2
Application number	US-201314438046-A
Country	US
Kind code	B2
Filing date	Oct 24, 2013
Priority date	Oct 26, 2012
Publication date	Dec 20, 2016
Grant date	Dec 20, 2016

Abstract

A modified carbon black comprising carbon black and at least one compound selected from the group consisting of a compound represented by formula (I) and a compound represented by formula (II), in which the content of the at least one compound selected from the group consisting of a compound represented by formula (I) and a compound represented by formula (II) relative to 100 parts by weight of carbon black is 0.1 to 50 parts by weight.

First claim

The invention claimed is:

1. A modified carbon black comprising carbon black and at least one compound selected from the group consisting of a compound represented by formula (I) and a compound represented by formula (II), wherein a content of the at least one compound selected from the group consisting of a compound represented by formula (I) and a compound represented by formula (II) relative to 100 parts by weight of carbon black is 0.1 to 50 parts by weight:

wherein P 1 and P 2 each independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, or P 1 and P 2 are combined with each other to represent an alkanediyl group having 2 to 6 carbon atoms;
m represents an integer of 2 to 9;
M n+ represents H + or an n-valent metal cation; and
n represents an integer of 1 to 3;

wherein R 1 represents an alkanediyl group having 1 to 12 carbon atoms and optionally having a substituent, a cycloalkanediyl group having 3 to 12 carbon atoms and optionally having a substituent, or a *—B 1 —Ar—B 2 —* group wherein * represents a bond,
B 1 represents a single bond or an alkanediyl group having 1 to 12 carbon atoms,
B 2 represents a single bond or an alkanediyl group having 1 to 12 carbon atoms, and
Ar represents a divalent aromatic hydrocarbon group having 6 to 12 carbon atoms and optionally having a substituent;
R 2 and R 3 each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms, a hydroxy group or an alkoxy group having 1 to 6 carbon atoms, or R 2 and R 3 are combined with each other to represent an alkanediyl group having 2 to 12 carbon atoms;
R 4 represents a hydroxy group, an alkoxy group having 1 to 6 carbon atoms, an aryloxy group having 6 to 12 carbon atoms, an arylalkoxy group having 7 to 15 carbon atoms, an amino group having 0 to 12 carbon atoms or —O − (Y n+ ) 1/n wherein Y n+ represents an n-valent cation and n represents 1 or 2; and
X 2 represents —NH— or —O—.

2. The modified carbon black according to claim 1 , wherein the at least one compound selected from the group consisting of a compound represented by formula (I) and a compound represented by formula (II) is a compound represented by formula (I), a nitrogen-element content is 0.01 to 10 wt %, and a sulfur-element content is 0.04 to 13.5 wt %.

3. The modified carbon black according to claim 1 , obtained by mixing carbon black and at least one compound selected from the group consisting of a compound represented by formula (I) and a compound represented by formula (II).

4. The modified carbon black according to claim 1 , obtained by mixing carbon black and at least one compound selected from the group consisting of a compound represented by formula (I) and a compound represented by formula (II) in the presence of a solvent and taking out a solid substance from the obtained mixture.

5. The modified carbon black according to claim 4 , wherein the solvent is water.

6. The modified carbon black according to claim 1 , wherein the at least one compound selected from the group consisting of a compound represented by formula (I) and a compound represented by formula (II) is a compound represented by formula (I-1):

7. The modified carbon black according to claim 1 , wherein the modified carbon black is in a granular form.

8. The modified carbon black according to claim 1 , obtained by mixing carbon black and an aqueous solution of at least one compound selected from the group consisting of a compound represented by formula (I) and a compound represented by formula (II), and granulating followed by drying.

9. The modified carbon black according to claim 1 , obtained by mixing carbon black and water, granulating, thereafter adding an aqueous solution of at least one compound selected from the group consisting of a compound represented by formula (I) and a compound represented by formula (II) and drying.

10. A method for producing a modified carbon black comprising mixing carbon black and at least one compound selected from the group consisting of a compound represented by formula (I) and a compound represented by formula (II):

wherein P 1 and P 2 each independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, or P 1 and P 2 are combined with each other to represent an alkanediyl group having 2 to 6 carbon atoms;
m represents an integer of 2 to 9;
M n+ represents H + or an n-valent metal cation; and
n represents an integer of 1 to 3;

wherein R 1 represents an alkanediyl group having 1 to 12 carbon atoms and optionally having a substituent, a cycloalkanediyl group having 3 to 12 carbon atoms and optionally having a substituent, or a *—B 1 —Ar—B 2 —* group wherein * represents a bond,
B 1 represents a single bond or an alkanediyl group having 1 to 12 carbon atoms,
B 2 represents a single bond or an alkanediyl group having 1 to 12 carbon atoms, and
Ar represents a divalent aromatic hydrocarbon group having 6 to 12 carbon atoms and optionally having a substituent;
R 2 and R 3 each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms, a hydroxy group or an alkoxy group having 1 to 6 carbon atoms, or R 2 and R 3 are combined with each other to represent an alkanediyl group having 2 to 12 carbon atoms;
R 4 represents a hydroxy group, an alkoxy group having 1 to 6 carbon atoms, an aryloxy group having 6 to 12 carbon atoms, an arylalkoxy group having 7 to 15 carbon atoms, an amino group having 0 to 12 carbon atoms or —O − (Y n+ ) 1/n wherein Y n+ represents an n-valent cation and n represents 1 or 2; and
X 2 represents —NH— or —O—.

11. The method for producing a modified carbon black according to claim 10 , comprising mixing carbon black and at least one compound selected from the group consisting of a compound represented by formula (I) and a compound represented by formula (II) in the presence of a solvent and taking out a solid substance from the obtained mixture.

12. The method for producing a modified carbon black according to claim 11 , wherein the solvent is water.

13. The method for producing a modified carbon black according to claim 10 , comprising mixing carbon black and an aqueous solution of at least one compound selected from the group consisting of a compound represented by formula (I) and a compound represented by formula (II), and granulating followed by drying.

14. The method for producing a modified carbon black according to claim 10 , comprising mixing carbon black and water, granulating, thereafter adding an aqueous solution of at least one compound selected from the group consisting of a compound represented by formula (I) and a compound represented by formula (II) and drying.

Assignees

• Sumitomo Chemical Co

Inventors

• Fujii Yohei
• Shiratani Hiroshi

Classifications

• B60C9/0007

  Reinforcements made of metallic elements, e.g. cords, yarns, filaments or fibres made from metal · CPC title

• B60C1/0016

  Compositions of the tread · CPC title

• C01P2006/80

  Compositional purity · CPC title

• B60C1/00

  Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition · CPC title

• C09C1/56

  Treatment of carbon black {; Purification} · CPC title