Alkylene oxide derivative, defoaming agent, lubricant, cosmetic base material and cosmetics containing same, hair cleaning agent composition, and body cleaning agent composition

Patent metadata

Field	Value
Publication number	US-12187891-B2
Application number	US-202017424039-A
Country	US
Kind code	B2
Filing date	Jan 16, 2020
Priority date	Jan 21, 2019
Publication date	Jan 7, 2025
Grant date	Jan 7, 2025

Abstract

An alkylene oxide derivative represented by formula (1), wherein a ratio Mz/Mw of a weight average molecular weight (Mw) and z average molecular weight (Mz) calculated from a chromatogram obtained by gel permeation chromatography measurement of the alkylene oxide derivative satisfies formula (2) below:Z-[O-(P⁢O)a-(P⁢O)b/(E⁢O)⁢ c]-H]n(1)5≦Mz/Mw≦60(2)where Z, n, PO, EO, a, b and c are as defined herein; a+b+c≥10, and b/c=1/5˜5/1; (PO)b/(EO)c indicates that PO and EO are randomly added; and a random ratio x of PO and EO satisfies 0.1≤x≤1.

First claim

The invention claimed is:

1. An alkylene oxide derivative represented by formula (1), wherein a ratio Mz/Mw of a weight average molecular weight (Mw) and z average molecular weight (Mz) calculated from a chromatogram obtained by gel permeation chromatography measurement of said alkylene oxide derivative satisfies formula (2) below,

Z
-

[

O
-

(

P
⁢
O

)

a

-

(

P
⁢
O

)

b

/

(
EO
)

c

]

-
H

]

n

(
1
)

in the formula (1),
Z represents a residual group of a compound having a number of carbons of 1 to 24 and 1 to 6 hydroxyl groups wherein all the hydroxyl groups are excluded,
n represents a number of 1 to 6,
PO represents oxypropylene group,
EO represents oxyethylene group,
a and b represent numbers of moles added of said oxypropylene group PO, respectively,
c represents a number of moles added of said oxyethylene group EO,
a represents a number of 1 to 100, b represents a number of 1 to 100, c represents a number of 1 to 200, a+b+c≥10, and b/c=1/5˜5/1,
(PO) b /(EO) c indicates that said oxypropylene group PO and said oxyethylene group EO are randomly added, and
a random ratio x of said oxypropylene group PO and said oxyethylene group EO satisfies 0.1≤x≤1,

5
≦

M
z

/

M
w

≦

6
⁢
0

,

(
2
)

wherein Mz is calculated from said gel permeation chromatography measurement based on the following formula (7),

Mz
=

∑

(

M
3

·
N

)

∑

(

M
2

·
N

)

=

∑

(

C
·

M
2

)

∑

(

C
·
M

)

(
7
)

in the formula (7), “N” represents a number of alkylene oxide derivative molecules, “M” represents a molecular weight of said alkylene oxide derivative, and “C” represents a concentration of said alkylene oxide derivative, and
the random ratio x is defined as follows:
x=(b+c)/(a+b+c)
wherein (a+b+c) represents a total of the numbers of moles added of PO and EO included in −(PO) a −(PO) b /(EO) c , and
(b+c) represents a total of the numbers of moles added of PO and EO included in −(PO) b /(EO) c , in which PO and EO are randomly added.

2. The alkylene oxide derivative of claim 1 , wherein a tailing coefficient (TF) calculated from said chromatogram satisfies formulas (3) and (4),

T
⁢
F

=

W

0
.
0

⁢

Assignees

• Nof Corp

Inventors

• Ichikawa Shoko
• Hara Yusuke
• Sunada Kazuki
• Sekiguchi Koji

Classifications

• A61Q19/00

  Preparations for care of the skin · CPC title

• C08G65/02 Primary

  from cyclic ethers by opening of the heterocyclic ring · CPC title

• C10M2209/104

  of alkylene oxides containing two carbon atoms only · CPC title

• C10N2040/20

  Metal working · CPC title

• C08G65/2609

  containing aliphatic hydroxyl groups · CPC title