IP Library Granted Patent US 10,858,609
Granted Patent B2
US 10,858,609 · App. 16/060,136 · Granted Dec 8, 2020

Anticorrosive agent and terminal fitted electric wire

Inventors: Yutaka Takata (Yokkaichi, JP); Takehiro Hosokawa (Yokkaichi, JP); Tatsuya Hase (Yokkaichi, JP); Naoyuki Oshiumi (Yokkaichi, JP); Takuya Yamashita (Yokkaichi, JP); Makoto Mizoguchi (Fukuoka, JP); Koichi Yoshida (Tokyo, JP); Kenichi Komiya (Tokyo, JP); Takashi Arai (Tokyo, JP); Yuji Shitara (Tokyo, JP); Kazuhiro Yagishita (Tokyo, JP)
Assignees: AUTONETWORKS TECHNOLOGIES, LTD.; SUMITOMO WIRING SYSTEMS, LTD.; SUMITOMO ELECTRIC INDUSTRIES, LTD.; KYUSHU UNIVERSITY; ENEOS CORPORATION
C10M133/16C10M137/06C10M159/005C23C22/03H01B7/2806C10M2205/20C10N2010/02C10N2010/04C10N2010/06C10N2010/08C10N2030/12C10N2040/32
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Quick Facts
Patent No.
US 10,858,609
App. No.
16/060,136
Granted
Dec 8, 2020
Kind
B2
Abstract

An anticorrosive agent including: a high-consistency material having a lubricant base oil and an amide compound, a composition of a phosphorus compound comprising one or more compounds represented by the general formulae (1) and (2) and a metal, and at least one kind of resin selected from a rosin-based resin, a terpene resin, a terpene phenol resin, a phenol resin, a coumarone-indene resin, and a petroleum resin, wherein a mass ratio of the high-consistency material and the composition is within a range of 50:50 to 98:2, and a content of resin is 2 to 20 parts by mass with respect to 100 parts by mass of the total of the high-consistency material and the composition.

Claims (59)

1. An anticorrosive agent comprising:

a composition (A) comprising:

a lubricant base oil; and

an amide compound;

a composition (B) comprising:

a phosphorus compound comprising one or more selected from compounds represented by the general formulae (1) and (2); and

a metal; and

at least one kind of resin (C) selected from the group consisting of a rosin-based resin and a terpene phenol resin,

wherein a mass ratio (A):(B) of the composition (A) and the composition (B) is within a range of 50:50 to 98:2, and a content of (C) is 2 to 20 parts by mass with respect to 100 parts by mass of the total of the composition (A) and the composition (B):

where X 1 to X 7 each represent independently an oxygen atom or a sulfur atom, R 11 to R 13 each represent independently a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, among which at least one is a hydrocarbon group having 1 to 30 carbon atoms, and R 14 to R 16 each represent independently a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atom among which at least one is a hydrocarbon group having 1 to 30 carbon atoms,

the lubricant base oil comprises one or more oil selected from the group consisting of mineral oil, a wax isomerized oil, and a synthetic oil,

the amide compound comprises one or more compounds represented by the following general formulae (3) to (5):

R 21 —CO—NH—R 22   (3)

R 23 —CO—NH—Y 31 —NH—CO—R 24   (4)

R 25 —NH—CO—Y 32 —CO—NH—R 26   (5)

where R 21 to R 26 each represent independently a saturated or unsaturated linear hydrocarbon group having 5 to 25 carbon atoms, R 22 may be hydrogen, and Y 31 and Y 32 represent a divalent hydrocarbon group having 1 to 10 carbon atoms selected from an alkylene group and a phenylene group having 1 to 10 carbon atoms, or an alkylphenylene group having 7 to 10 carbon atoms,

the phosphorus compound represented by the general formulae (1) includes one or more compounds selected from the group consisting of phosphorous acid, monothiophosphorous acid, dithiophosphorous acid, phosphite monoester, monothiophosphite, monoester, dithiophosphite monoester, phosphite diester, monothiophosphite diester, dithiophosphite diester, phosphite triester, monothiophosphite triester, and dithiophosphite triester,

the phosphorus compound represented by the general formulae (2) includes one or more compounds selected from the group consisting of phosphoric acid, monothiophosphoric acid, dithiophosphoric acid, phosphate monoester, monothiophosphate monoester, dithiophosphate monoester, phosphate diester, monothiophosphate diester, dithiophosphate diester, phosphate triester, monothiophosphate triester, and dithiophosphate triester,

hydrocarbon groups contained in the general formulae (1) and (2) are each selected from the group consisting of alkyl group, cycloalkyl group, alkyl-substituted cycloalkyl group, alkenyl group, aryl group, alkyl-substituted aryl group, and aryl alkyl group, and

the metal comprises one or more selected from the group consisting of alkali metals, alkaline earth metals, aluminum, titanium, and zinc.

2. The anticorrosive agent according to claim 1 , wherein the agent has a softening point in the range of 100° C. to 150° C.

3. The anticorrosive agent according to claim 1 , wherein the amide compound is a fatty acid amide having a melting point within a range of 20° C. to 200° C.

4. The anticorrosive agent according to claim 1 , wherein the phosphorus compound has one or more branched linear structures or one or more carbon-carbon double bond structures in the structure of the hydrocarbon groups.

5. The anticorrosive agent according to claim 1 , wherein the composition of the phosphorus compound and the metal has a molecular weight of 3000 or lower.

6. A terminal-fitted electric wire, wherein an electric connection part between a terminal and an electric conductor is covered with the anticorrosive agent according to claim 1 .

7. The anticorrosive agent according to claim 2 , wherein the amide compound comprises one or more compounds represented by the following general formulae (3) to (5):

[Chem. 3]

R 21 —CO—NH—R 22   (3)

[Chem. 4]

R 23 —CO—NH—Y 31 —NH—CO—R 24   (4)

[Chem. 5]

R 25 —NH—CO—Y 32 CO—O—NH—R 26   (5)

where R 21 to R 26 each represent independently a saturated or unsaturated linear hydrocarbon group having 5 to 25 carbon atoms, R 22 may be hydrogen, and Y 31 and Y 32 represent a divalent hydrocarbon group having 1 to 10 carbon atoms selected from an alkylene group and a phenylene group having 1 to 10 carbon atoms, or an alkylphenylene group having 7 to 10 carbon atoms.

8. The anticorrosive agent according to claim 7 , wherein the amide compound is a fatty acid amide having a melting point within a range of 20° C. to 200° C.

9. The anticorrosive agent according to claim 8 , wherein the phosphorus compound has one or more branched linear structures or one or more carbon-carbon double bond structures in the structure of the hydrocarbon groups.

10. The anticorrosive agent according to claim 9 , wherein the metal forming the composition together with the phosphorus compound is at least one selected from the group consisting of alkali metals, alkaline earth metals, aluminum, titanium, and zinc.

11. The anticorrosive agent according to claim 10 , wherein the composition of the phosphorus compound and the metal has a molecular weight of 3000 or lower.

12. A terminal-fitted electric wire, wherein an electric connection part between a terminal and an electric conductor is covered with the anticorrosive agent according to claim 11 .

13. The anticorrosive agent according to claim 1 , wherein the content of (C) is 10 to 20 parts by mass with respect to 100 parts by mass of the total of the composition (A) and the composition (B).

14. An anticorrosive agent comprising:

a composition (A) comprising:

a lubricant base oil; and

an amide compound;

a composition (B) comprising:

a phosphorus compound comprising one or more selected from compounds represented by the general formulae (1) and (2); and

a metal; and

at least one kind of resin (C) selected from the group consisting of a rosin-based resin and a terpene phenol resin,

wherein a mass ratio (A):(B) of the composition (A) and the composition (B) is within a range of 50:50 to 98:2, and a content of (C) is 10 to 20 parts by mass with respect to 100 parts by mass of the total of the composition (A) and the composition (B):

where X 1 to X 7 each represent independently an oxygen atom or a sulfur atom, R 11 to R 13 each represent independently a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, among which at least one is a hydrocarbon group having 1 to 30 carbon atoms, and R 14 to R 16 each represent independently a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atom among which at least one is a hydrocarbon group having 1 to 30 carbon atoms,

the lubricant base oil comprises one or more oil selected from the group consisting of mineral oil, a wax isomerized oil, and a synthetic oil,

the amide compound comprises one or more compounds represented by the following general formulae (3) to (5):

R 21 —CO—NH—R 22   (3)

R 23 —CO—NH—Y 31 —NH—CO—R 24   (4)

R 25 —NH—CO—Y 32 CO—O—NH—R 26   (5)

where R 21 to R 26 each represent independently a saturated or unsaturated linear hydrocarbon group having 5 to 25 carbon atoms, R 22 may be hydrogen, and Y 31 and Y 32 represent a divalent hydrocarbon group having 1 to 10 carbon atoms selected from an alkylene group and a phenylene group having 1 to 10 carbon atoms, or an alkylphenylene group having 7 to 10 carbon atoms,

the phosphorus compound represented by the general formulae (1) includes one or more compounds selected from the group consisting of phosphorous acid, monothiophosphorous acid, dithiophosphorous acid, phosphite monoester, monothiophosphite, monoester, dithiophosphite monoester, phosphite diester, monothiophosphite diester, dithiophosphite diester, phosphite triester, monothiophosphite triester, and dithiophosphite triester,

the phosphorus compound represented by the general formulae (2) includes one or more compounds selected from the group consisting of phosphoric acid, monothiophosphoric acid, dithiophosphoric acid, phosphate monoester, monothiophosphate monoester, dithiophosphate monoester, phosphate diester, monothiophosphate diester, dithiophosphate diester, phosphate triester, monothiophosphate triester, and dithiophosphate triester,

hydrocarbon groups contained in the general formulae (1) and (2) are each selected from the group consisting of alkyl group, cycloalkyl group, alkyl-substituted cycloalkyl group, alkenyl group, aryl group, alkyl-substituted aryl group, and aryl alkyl group, and

the metal comprises one or more selected from the group consisting of alkali metals, alkaline earth metals, aluminum, titanium, and zinc.

Assignments (2)
CHANGE OF NAME Recorded Oct 20, 2020
From: JXTG NIPPON OIL & ENERGY CORPORATION
To: ENEOS CORPORATION
Reel/Frame 054154/0079 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 7, 2018
From: TAKATA, YUTAKA; HOSOKAWA, TAKEHIRO; HASE, TATSUYA; OSHIUMI, NAOYUKI; YAMASHITA, TAKUYA; MIZOGUCHI, MAKOTO; YOSHIDA, KOICHI; KOMIYA, KENICHI; ARAI, TAKASHI; SHITARA, YUJI; YAGISHITA, KAZUHIRO
To: AUTONETWORKS TECHNOLOGIES, LTD.; SUMITOMO WIRING SYSTEMS, LTD.; SUMITOMO ELECTRIC INDUSTRIES, LTD.; KYUSHU UNIVERSITY; JXTG NIPPON OIL & ENERGY CORPORATION
Reel/Frame 046013/0906 →
Priority Claims (1)
JP 2016-001447 · Jan 7, 2016 · national
Continuity (1)
Related Publication 20180362876A1 · Dec 20, 2018