Polyarylether ketone imide sulfone adhesives

Patent metadata

Field	Value
Publication number	US-10501665-B2
Application number	US-201815982602-A
Country	US
Kind code	B2
Filing date	May 17, 2018
Priority date	Mar 11, 2016
Publication date	Dec 10, 2019
Grant date	Dec 10, 2019

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 formulae (I), (II), or (III):

First claim

What is claimed is:

1. A composition comprising:
(1) a fiber material; and
(2) a polymer consisting of:
at least one of

 wherein each R is independently

 wherein each L is independently —CH 2 —, —(CH 3 ) 2 C—, —O—, —S—, —SO 2 —or —CO—, wherein each Q is independently —S—, —SO 2 —or —(CF 3 ) 2 C—, —O—, —(CH 3 ) 2 C—, and wherein each j is a positive integer; and
a capping agent selected from

 or benzyl, wherein R′ is —H, halo, C1-C20 alkyl, or cyano.

2. The composition of claim 1 , wherein the fiber material is selected from the group consisting of graphite, fiberglass, nylon, aramid polymers, and mixtures thereof.

3. The composition of claim 1 , wherein the polymer has a glass transition temperature between about 135° C. and about 190° C.

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

5. The composition of claim 1 , wherein the molecular weight of the polymer is between about 10 kDa and about 150 kDa.

6. The composition of claim 5 , wherein the molecular weight of the polymer is between about 50 kDa and about 120 kDa.

7. The composition of claim 6 , wherein the molecular weight of the polymer is between about 90 kDa and about 110 kDa.

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

does not exceed about 3 kDa.

9. The composition of claim 8 , wherein R is selected from the group consisting of:

10. The composition of claim 8 , wherein R is selected from the group consisting of:

wherein each L is independently —CH 2 —or —(CH 3 ) 2 C—.

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

to

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

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

is greater than about 33 mol % of the molecular weight of the polymer, wherein n is a positive integer.

13. The composition of claim 12 , wherein the moiety:

is greater than about 50 mol % of the polymer.

14. The composition of claim 1 , wherein the polymer is a block copolymer.

15. The composition of claim 1 , wherein the polymer is a random copolymer.

16. The composition of claim 1 , wherein the polymer is:
45 mol % of

 5 mol % of benzyl capping agent; 20 mol % of

15 mol % of

 and
15 mol % of

17. The composition of claim 1 , wherein the polymer is:
48.45 mol % of

 2.55 mol % of benzyl capping agent; 3.06 mol % of

9.19 mol % of

 and
36.75 mol % of

18. The composition of claim 1 , wherein the polymer is:
35.7 mol % of

 12.75 mol % of

 2.55 mol % of benzyl capping agent; 14.7 mol % of

9.8 mol % of

 and
24.5 mol % of

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.

Assignees

• Boeing Co

Inventors

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

Classifications

• C08G65/4012

  Other compound (II) containing a ketone group, e.g. X-Ar-C(=O)-Ar-X for polyetherketones · CPC title

• C08G81/00

  Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers (involving only carbon-to-carbon unsaturated bond reactions C08F299/00 {; polyester-amides C08G69/44; polyester-imides C08G73/16; polyamides-imides C08G73/14; block- or graft polymers containing polysiloxane sequences C08G77/42}) · CPC title

• C08G61/127

  derived from carbon dioxide, carbonyl halide, carboxylic acids or their derivatives · CPC title

• C08G73/1046

  Polyimides containing oxygen in the form of ether bonds in the main chain · CPC title

• C08G2261/344

  containing heteroatoms · CPC title