Associative polymers and related compositions, methods and systems

Patent metadata

Field	Value
Publication number	US-2016145397-A1
Application number	US-201514859181-A
Country	US
Kind code	A1
Filing date	Sep 18, 2015
Priority date	Sep 18, 2014
Publication date	May 26, 2016
Grant date	—

Abstract

Described herein are associative polymers capable of controlling a physical and/or chemical property of non-polar compositions and related compositions, methods and systems. Associative polymers herein described have a non-polar backbone and functional groups presented at ends of the non-polar backbone, with a number of the functional groups presented at the ends of the non-polar backbone formed by associative functional groups capable of undergoing an associative interaction with another associative functional group with an association constant (k) such that the strength of each associative interaction is less than the strength of a covalent bond between atoms and in particular less than the strength of a covalent bond between backbone atoms.

First claim

1 . A framing associative polymer comprising:
a linear, branched, or hyperbranched polymer backbone having at least two ends and a functional group presented at two or more ends of the at least two ends of the linear, branched, or hyperbranched polymer backbone; wherein the linear, branched, or hyperbranched polymer backbone is substantially soluble in a non-polar composition, and wherein a number of the functional groups presented at the two or more ends is formed by associative functional groups each capable of undergoing an associative interaction with another associative functional group in the non-polar composition with an association constant (k) wherein

k


(

M

-
1

)

≥

4
3



π


(

R
g
2

)

3
2



N
a

n
F

×

10

-
23

in which R g is the radius of gyration of the framing associative polymer in the non-polar composition in nanometers, N a is Avogadro's constant; and n F is the average number of the associative functional groups in the framing associative polymer.

2 . The framing associative polymer of claim 1 , having a weight averaged molecular weight equal to or lower than about 2,000,000 g/mol.

3 . The framing associative polymer of claim 1 , having a weight averaged molecular weight 400,000<M w [g/mol]≦1,000,000.

4 . The framing associative polymer of claim 1 , wherein the association constant is 6≦log 10 k≦14.

5 . The framing associative polymer of claim 1 , wherein the association constant is 6.9≦log 10 k≦7.8.

6 . The framing associative polymer of claim 1 , wherein the associative functional group is a carboxylic acid and the another associative functional group is a carboxylic acid, or the associative functional group is a carboxylic acid and the another associative functional group is an amine, or the associative functional group is an alcohol and the another associative functional group is an amine, or the associative functional group is an alcohol and the another associative functional group is a carboxylic acid, or the associative functional group is a diacetamidopyridine and the another associative functional group is a thymine, or the associative functional group is a Hamilton Receptor and the another associative functional group is a cyanuric acid, the associative functional group is zinc sulfonate or palladated sulfur-carbon-sulfur (SCS) pincer and the another associative functional group is selected from pyridine or primary, secondary and tertiary amines.

7 . The framing associative polymer of claim 1 , wherein the another associative functional groups is presented at at least one end of a different associative polymer.

8 . The framing associative polymer of claim 1 , wherein the framing associative polymers are formed by at least two structure units having formula [[FG-chain-[node] z  (I) and optionally one or more structural units having formula -node-chain]- (II),
wherein:
FG is an associative functional group (FGa);
chain is a non-polar polymer substantially soluble in a non-polar composition, the polymer having formula:
R 1 -[A] n R 2   (III)

wherein:
A is a chemical and in particular an organic moiety forming the monomer of the polymer,
R 1 and R 2 are independently selected from any carbon based or organic group with one of R 1 and R 2 linked to an FG or a node and the other one of R 1 and R 2 linked to an FG or a node; and
n is an integer≧1;
z is 0 or 1;
node is a covalently linked moiety linking one of R 1 and R 2 of at least one first chain with one of the R 1 and R 2 of at least one second chain;

and wherein the FG, chain and node of different structural units of the polymer can be the same or different.

9 . The framing associative polymer of claim 8 , wherein the associative functional group FGa is selected from diacetamidopyridine group, thymine group, Hamilton Receptor group, cyanuric acid group, carboxylic acid group, primary secondary or tertiary amine group, primary secondary and tertiary alcohol group, zinc sulfonate, palladated sulfur-carbon-sulfur (SCS) pincer pyridine or primary, secondary and tertiary amines.

10 . The framing associative polymer of claim 8 , wherein A is a diene, olefin, styrene, acrylonitrile, methacrylate or acrylate, vinyl acetate, dichlorodimethylsilane, tetrafluoroethylene, acids, esters, amides, amines, glycidyl ethers, or isocyanates, siloxane,

11 . The framing associative polymer of claim 8 , wherein n is equal to or greater than 200 or equal to or greater than 800.

12 . A non-polar composition comprising:
a host composition having a dielectric constant equal to or less than about 5, and at least one framing associative polymer of claim 1 , soluble in the host composition,
wherein the at least one framing associative polymer herein described is comprised in the host composition in a concentration between from about 0.001 c* to about 10 c* wherein

c
*

=

3




M
w

4




π


(

R
g
2

)

3
/
2



N
a

,

Assignees

• California Inst Of Techn

Inventors

• Kornfield Julia A
• Wei Ming-Hsin

Classifications

• C08G2261/63

  Viscosity · CPC title

• C08G2261/1644

  comprising other functional groups, e.g. OH groups, NH groups, COOH groups or boronic acid · CPC title

• C10L1/1658

  from compounds containing conjugated dienes · CPC title

• C08G83/008

  Supramolecular polymers · CPC title

• C08K5/0008 Primary

  Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59 · CPC title