Polyarylether ketone imide adhesives

Patent metadata

Field	Value
Publication number	US-10011685-B2
Application number	US-201615068249-A
Country	US
Kind code	B2
Filing date	Mar 11, 2016
Priority date	Mar 11, 2016
Publication date	Jul 3, 2018
Grant date	Jul 3, 2018

Abstract

Aspects of the present disclosure generally describe polyarylether ketones and methods of use. In some aspects, a composition includes one or more polymers of formula (IV):

First claim

What is claimed is:

1. A composition comprising one or more polymers of formula (IV):

wherein:
X is selected from the group consisting of:

 and combinations thereof,
Z is selected from the group consisting of: —H,

 and combinations thereof, wherein R′ is —H, halo, C1-C20 alkyl, cyano, or combinations thereof,
R is selected from the group consisting of:

 and combinations thereof,
L is selected from the group consisting of: —CH 2 —, —(CH 3 ) 2 C—, —O—, —S—, —SO 2 —, —CO—, and combinations thereof,
Q is selected from the group consisting of: —S—, —SO 2 —, —(CF 3 ) 2 C—, —O—, —(CH 3 ) 2 C—, and combinations thereof,
j is a positive integer,
m is a positive integer,
n is a positive integer, and
q is a positive integer and the molecular weight of at least one of the one or more polymers is between about 50 kDa and about 150 kDa.

2. The composition of claim 1 , wherein the molecular weight of at least one of the one or more polymers is between about 90 kDa and about 110 kDa.

3. The composition of claim 1 , wherein the molecular weight of each moiety of the structure:

does not exceed about 3 kDa.

4. The composition of claim 1 , wherein a ratio of m to n is between about 1:1 and about 1:2.

5. The composition of claim 1 , wherein a ratio of

to

is between about 1:1 and about 1:2.

6. The composition of claim 1 , wherein the moiety:

is greater than about 33 mol % of the molecular weight of at least one of the one or more polymers.

7. The composition of claim 6 , wherein the moiety:

is greater than about 50 mol % of at least one of the one or more polymers.

8. The composition of claim 1 , wherein the composition has a glass transition temperature between about 135° C. and about 225° C.

9. The composition of claim 8 , wherein the composition has a glass transition temperature between about 135° C. and about 190° C.

10. The composition of claim 1 , wherein the composition has a melting temperature between about 200° C. and about 450° C.

11. The composition of claim 1 , wherein at least one of the one or more polymers of formula (IV) is a block copolymer.

12. The composition of claim 11 , wherein q is 1, m is an integer between about 1 and about 1,000, and n is an integer between about 1 and about 1,000.

13. The composition of claim 1 , wherein at least one of the one or more polymers of formula (IV) is a random copolymer.

14. The composition of claim 13 , wherein q is an integer between 2 and about 2,000, m is an integer between about 1 and about 1,000, and n is an integer between about 1 and about 1,000.

15. The composition of claim 1 , wherein at least one of the one or more polymers of Formula (IV) comprises:
the moiety:

 is about 17 mol % of the molecular weight of the polymer,
R is

j is 1,
the moiety:

 is about 32 mol % of the molecular weight of the polymer, and
X is

 and X is about 46 mol % of the molecular weight of the polymer.

16. The composition of claim 1 , wherein at least one of the one or more polymers of Formula (IV) comprises:
the moiety:

 is about 23 mol % of the molecular weight of the polymer,
R is

j is 1,
the moiety:

 is about 29 mol % of the molecular weight of the polymer,
the moiety:

 is about 24 mol % of the molecular weight of the polymer, and
the moiety:

 is about 24 mol % of the molecular weight of the polymer.

17. The composition of claim 1 , further comprising a fiber material.

18. The composition of claim 17 , wherein the fiber material is selected from the group consisting of graphite, fiberglass, nylon, aramid polymers, spectra, and mixtures thereof.

19. A vehicle component including the composition of claim 1 .

20. The vehicle component of claim 19 , wherein the vehicle component is a tail cone, a panel, a coated lap joint between two or more panels, a wing-to-fuselage assembly, structural aircraft composite, fuselage body-joint or wing rib-to-skin joint.

21. A method comprising:
using the composition of claim 1 as an adhesive.

22. A method of using the composition of claim 1 , the method comprising: coating a surface with the composition of claim 1 .

23. A method comprising: forming a three dimensional structure at least partially comprising the composition of claim 1 .

24. The method of claim 23 , wherein the three dimensional structure further comprises a reinforcement agent selected from the group consisting of glass, carbon fibers, chopped carbon fibers, carbon black, and carbon nanotubes.

25. The method of claim 23 , wherein forming the three dimensional structure comprises fused filament fabrication and/or selective laser sintering.

26. A three dimensional structure comprising the composition of claim 1 .

27. The three dimensional structure of claim 26 , further comprising a reinforcing agent.

28. A method comprising:
coating a first surface with the composition of claim 1 to form a coated surface;
contacting the coated surface with a second surface; and
heating the composition to above about 355° C.

29. The method of claim 28 , wherein the first surface comprises a thermoplastic prepreg, thermoset prepreg, and/or metal.

30. The method of claim 29 ,

Assignees

• Boeing Co

Inventors

• Childers Christopher H
• Bogucki Gregg R
• Steinman Christopher S
• Heinz Stephen R

Classifications

• C08K7/02

  Fibres or whiskers · CPC title

• B29C66/721

  Fibre-reinforced materials (B29C66/729 takes precedence) · CPC title

• C08K7/04

  inorganic · CPC title

• C08J7/0427

  with only one layer of a composition containing a polymer binder (with more layers C08J7/042) · CPC title

• C09J179/08

  Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors · CPC title