Amine polymer and preparation method and use thereof

Patent metadata

Field	Value
Publication number	US-10968313-B2
Application number	US-201615780918-A
Country	US
Kind code	B2
Filing date	Nov 28, 2016
Priority date	Dec 3, 2015
Publication date	Apr 6, 2021
Grant date	Apr 6, 2021

Abstract

The present invention relates to an amino polymer, its main chain is attached via a —O— group to a structure represented by the following formula (I). The present invention also relates to a process for producing said amino polymer and to its use as fuel oil detergent. Compared with the prior art, the fuel oil detergent of the present invention has the advantages such as a lower manufacturing cost and an improved deposit formation inhibition performance.

In formula (I), groups and values are defined as described in the description.

First claim

The invention claimed is:

1. An amino polymer, having a structure of formula (II),

wherein p is 1, 2, or 3;
wherein the group Y is a hydroxyl polymer having p number of bonds connected to the p number of —O— groups,
the group Link represents a linking group, wherein each of the p number of Link groups is independently selected from C 1-4 linear or branched alkylene;
R 1 and R 2 are identical to or different from each other, and are each independently selected from C 1-4 linear or branched alkyl;
the a number of R 3 groups or the a number of R 4 groups are identical to or different from each other, and are each independently selected from hydrogen and C 1-10 hydrocarbyl;
the a number of R 6 groups or the a number of R 7 groups are identical to or different from each other, and are each independently selected from hydrogen, optionally substituted C 1-10 hydrocarbyl, and

wherein the q number of R 8 groups and identical to or different from each other, and are each independently selected from C 1-40 hydrocarbylene; the q number of R 9 groups and identical to or different from each other, and are each independently selected from hydrogen and C 1-10 hydrocarbyl; R 10 is selected from hydrogen and C 1-10 hydrocarbyl;
wherein q is an integer between 1 and 50, inclusive; a is an integer between 1 and 10, inclusive;
the a number of R′ groups are identical to or different from each other, and are each independently selected from a single bond and C 1-10 hydrocarbylene; and R 5 is selected from hydrogen and C 1-10 hydrocarbyl.

2. The amino polymer according to claim 1 , wherein the group Y has a structure obtained by removing hydrogen from the p number of hydroxyl groups from a hydroxyl polymer having p′ number of hydroxyl groups, wherein 1≤p≤p′.

3. The amino polymer according to claim 2 , wherein said hydroxyl polymer is selected from a polyether, a polyester having, an alkylene diol polymer, and a polyether represented by formula (III),
R 0 O—Ru y OH   (III)

wherein, R 0 is selected from hydrogen atom, optionally substituted C 1-50 hydrocarbyl, C 1-20 linear or branched alkyl, C 6-10 monocyclic or polycyclic aryl substituted by one or more C 1-20 linear or branched alkyl groups, C 3-20 monocyclic or polycyclic cycloalkyl substituted by one or more C 1-20 linear or branched alkyl groups, C 5-15 linear or branched alkyl, and phenyl substituted by one or more C 5-15 linear or branched alkyl groups;
wherein the y number of Ru groups are identical to or different from each other, and are each independently selected from C 2-24 linear or branched alkylene, C 2-12 linear or branched alkylene, C 2-6 linear or branched alkylene, —CH 2 —CH 2 —, and —CH 2 —CH(CH 3 )—;
wherein y represents an average polymerization degree of the polyether segment —O—Ru—, and is a number between 1 and 200.

4. The amino polymer according to claim 1 , having a structure represented by formula (II-A), a structure represented by formula (II-B), or is a polyetheramine represented by formula (II-C), and having a molecular weight Mn of 600-2000,

wherein R 0 is selected from hydrogen atom, optionally substituted C 1-50 hydrocarbyl, C 1-20 linear or branched alkyl, C 6-10 aryl substituted by C 1-20 linear or branched alkyl groups, and C 3-20 cycloalkyl substituted by C 1-20 linear or branched alkyl groups, C 5-15 linear or branched alkyl, phenyl substituted by C 5-15 linear or branched alkyl groups;
wherein the y number of Ru groups are identical to or different from each other, and are each independently selected from C 2-24 linear or branched alkylene, C 2-12 linear or branched alkylene, C 2-6 linear or branched alkylene, —CH 2 —CH 2 —, and —CH 2 —CH(CH 3 )—;
wherein y represents an average polymerization degree of the polyether segment —O—Ru—, and is a value between 1 and 200,

5. A process for preparing the amino polymer of claim 1 , comprising:
1) optionally producing an alkenyl polymer represented by formula (A-I)

2) oxidizing said alkenyl polymer with an oxidant selected from oxygen, ozone, hydrogen peroxide, metal oxide, metal peroxide, dichromic acid and salt thereof, permanganic acid and salt thereof, peracid and salt thereof, hypohalous acid and salt thereof, organic hydroperoxide, organic peroxide, an organic peroxo acid, performic acid, peracetic acid, peroxypropionic acid, peroxybutyric acid, peroxybenzoic acid or meta-chloroperoxybenzoic acid, and a mixture thereof, wherein at least one group

in said alkenyl polymer is oxidized to

to obtain an oxidization product; and
3) aminating the oxidation product obtained in step 2) with an aminating agent represented by formula (B-I),

wherein the group

is aminated to

6. The process according to claim 5 , wherein step (1) comprises reacting the hydroxyl polymer represented by formula (A-II) with an alkenyl compound represented by formula (A-III) to produce the alkenyl polymer represented by the formula (A-I),

wherein the group G represents halogen or hydroxyl.

7. The process according to claim 6 , further comprising:
B-1) reacting the alkenyl compound represented by formula (A-III) and at least one alkylene oxide represented by formula (A-IV) to produce an alkenyl polyether represented by formula (A-V),

and, during or after said step B-1), reacting compound represented by formula (A-VI) with the alkenyl polyether represented by the formula (A-V) to produce the alkenyl polyether represented by formula (A-VII), and/or reacting the alkenyl compound represented by formula (A-III) with the alkenyl polyether represented by the formula (A-V) to produce the alkenyl polyether represented by formula (A-VIII),
G′-R′ 0   (A-VI)

wherein, the group G′ represents halogen or hydroxyl; R′ 0 is selected from optionally substituted C 1-50 hydrocarbyl, C 1-20 linear or branched alkyl, C 6-10 aryl substituted by C 1-20 linear or branched alkyl groups, C 3-20 cycloalkyl substituted by C 1-20 linear or branched alkyl groups, C 5-15 linear or branched alkyl, and phenyl substituted by C 5-15 linear or branched alkyl groups,

8. A fuel oil detergent, comprising the amino polymer accordi

Assignees

• China Petroleum & Chem Corp
• Sinopec Res Inst Petroleum

Inventors

• Cheng Xin
• Zhang Jianrong
• Huang Zuoxin
• Duan Qinghua

Classifications

• C08G63/91 Primary

  Polymers modified by chemical after-treatment · CPC title

• C08F8/32

  by reaction with amines · CPC title

• C08G65/33303

  containing amino group · CPC title

• C08G65/2606

  containing hydroxyl groups · CPC title

• C08G65/33396

  having oxygen in addition to nitrogen · CPC title