IP Library Granted Patent US 11,401,443
Granted Patent B2
US 11,401,443 · App. 16/803,207 · Granted Aug 2, 2022

Adhesion-regulating agents and methods for tuning adhesion strength of acrylic adhesives by substrate modification

Inventors: Binil Kandapallil (Summerville, SC); Siji Thomas (Summerville, SC); Isbelia Cardona (Mount Pleasant, SC); Semih Sendur (Charleston, SC)
Assignee: The Boeing Company
C09J5/02B29C63/0047B29C63/02B32B7/12B32B37/12B60N3/046B64D11/00E04F15/02155C09J2301/504C09J2400/163C09J2400/166C09J2400/226C09J2400/228C09J2433/008
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Quick Facts
Patent No.
US 11,401,443
App. No.
16/803,207
Granted
Aug 2, 2022
Kind
B2
Abstract

Adhesion-regulating agents for enhancing the adhesion values of acrylic adhesives, and methods of using adhesion-regulating agents for treating a removable flooring substrate surface for tuning the adhesion of the flooring substrate surface to objects comprising an acrylic adhesive are disclosed.

Claims (35)

1. A flooring assembly comprising:

a floor substrate having a floor substrate surface, said floor substrate surface treated with an adhesion-regulating agent to form an adhesion-regulated floor substrate surface, said adhesion-regulating agent comprising:

a titanate-doped ketone mixture comprising:

an amount of ketone ranging from about 95% to about 99% by volume, said ketone selected from at least one of: methyl ethyl ketone; methyl n-propyl ketone; methyl isobutyl ketone; and acetone; and

a titanate in an amount ranging from about 0.05% to about 5% by volume;

a flooring material, said flooring material comprising a pressure sensitive adhesive layer, said pressure sensitive adhesive layer configured to be oriented proximate to the adhesion-regulated floor substrate surface;

wherein the flooring material maintains a degree of adhesion to the adhesion-regulated floor substrate surface, with the degree of adhesion ranging from between about 1.0 pound per inch of width to about 4 pounds per inch of width.

2. The flooring assembly of claim 1 , wherein the floor substrate surface comprises at least one of: a carbon fiber-reinforced plastic; a coated carbon fiber-reinforced plastic; titanium; a titanium alloy, aluminum, and an aluminum alloy.

3. The flooring assembly of claim 1 , wherein the titanate comprises at least one of:

titanium (IV) (triethanolaminato)isopropoxide; titanium bis(triethanolamine)diisopropoxide; titanium (IV) butoxide polymer; titanium (IV) butoxide; titanium (IV) oxyacetylacetonate; titanium (IV) bis(ammonium lactate)dihydroxide; oxobis(2,2,6,6-tetramethyl-3,5-heptanedianato) titanium (IV); titanium (IV) diisopropoxidebis(2,2,6,6-tetramethyl-3,5-heptanedionate); titanium (IV) diisopropoxide bis(acetylacetonate); titanium (IV) tert-butoxide; titanium tetraisopropoxide; and titanium (IV) 2-ethylhexyloxide.

4. The flooring assembly of claim 1 , wherein the adhesion-regulating agent increases the degree of adhesion by an amount ranging from between about 10% to about 25% as compared to the degree of adhesion of the flooring material comprising the pressure sensitive adhesive layer to the floor substrate surface that is not surface treated with the adhesion-regulating agent.

5. The flooring assembly of claim 1 , wherein the flooring material is removable from the floor substrate surface without damaging the flooring material and without damaging the floor substrate surface.

6. The flooring assembly of claim 1 , wherein the floor substrate surface comprises at least one of: a metal, a metal alloy, a carbon fiber-reinforced plastic, a carbon fiber-reinforced plastic coated with polyurethane tape, and a coated metal.

7. The flooring assembly of claim 1 , wherein the ketone is selected from at least one of: methyl ethyl ketone, methyl n-propyl ketone, and acetone.

8. The flooring assembly of claim 1 , wherein the flooring material comprises at least one of: a silicone material and a vinyl material.

9. A vehicle comprising the flooring assembly of claim 1 , wherein the vehicle is:

a manned aircraft, an unmanned aircraft, a manned spacecraft, an unmanned spacecraft, a manned rotorcraft, an unmanned rotorcraft, a satellite, a manned terrestrial vehicle, an unmanned terrestrial vehicle, a manned surface water borne vehicle, an unmanned surface water borne vehicle, a manned sub-surface water borne vehicle, or an unmanned sub-surface water borne vehicle.

10. A building comprising the flooring assembly of claim 1 .

11. A method comprising:

applying an adhesion-regulating agent to a floor substrate surface to form an adhesion-regulated floor substrate surface, said adhesion-regulating agent comprising:

a titanate-doped ketone mixture comprising:

an amount of ketone ranging from about 95% to about 99% by volume, said ketone selected from the group consisting of methyl ethyl ketone; methyl n-propyl ketone; methyl isobutyl ketone; and acetone; and

a titanate in an amount ranging from about 0.05% to about 5% by volume;

placing a flooring material onto the adhesion-regulated floor substrate surface, said flooring material comprising an adhesive layer, said adhesive layer oriented proximate to the adhesion-regulated floor substrate surface; and

maintaining a degree of adhesion between the flooring material and adhesion-regulated floor substrate surface, with the degree of adhesion ranging from between about 1.0 pound per inch of width to about 4 pounds per inch of width.

12. The method of claim 11 , wherein the flooring material is removable from the floor substrate surface without damaging the flooring material and without damaging the floor substrate surface.

13. The method of claim 11 , wherein the adhesion-regulating agent increases the degree of adhesion by an amount ranging from between about 10% to about 25% as compared to the degree of adhesion of the flooring material comprising the adhesive layer to the floor substrate surface with the adhesion-regulating agent not applied.

14. The method of claim 11 , wherein said titanate comprises at least one of:

titanium (IV) (triethanolaminato)isopropoxide; titanium bis(triethanolamine)diisopropoxide; titanium (IV) butoxide polymer; titanium (IV) butoxide; titanium (IV) oxyacetylacetonate; titanium (IV) bis(ammonium lactate)dihydroxide; oxobis(2,2,6,6-tetramethyl-3,5-heptanedianato) titanium (IV); titanium (IV) diisopropoxidebis(2,2,6,6-tetramethyl-3,5-heptanedionate); titanium (IV) diisopropoxide bis(acetylacetonate); titanium (IV) tert-butoxide; titanium tetraisopropoxide; and titanium (IV) 2-ethylhexyloxide.

15. The method of claim 11 , wherein the floor substrate surface comprises at least one of: a metal, a metal alloy, a carbon fiber-reinforced plastic, a carbon fiber-reinforced plastic coated with polyurethane tape, and a coated metal.

16. The method of claim 11 , wherein the ketone containing the ketone is selected from the group consisting of: methyl ethyl ketone, methyl n-propyl ketone, methyl isobutyl ketone, and acetone.

17. The method of claim 11 , wherein the flooring material layer comprises at least one of: a silicone material or a vinyl material.

18. A flooring assembly installed according to the method of claim 11 .

19. A vehicle comprising the flooring assembly of claim 18 .

20. The vehicle of claim 19 , wherein the vehicle is a manned aircraft, an unmanned aircraft, a manned spacecraft, an unmanned spacecraft, a manned rotorcraft, an unmanned rotorcraft, a satellite, a manned terrestrial vehicle, an unmanned terrestrial vehicle, a manned surface water borne vehicle, an unmanned surface water borne vehicle, a manned sub-surface water borne vehicle, or an unmanned sub-surface water borne vehicle.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 27, 2020
From: KANDAPALLIL, BINIL; THOMAS, SIJI; CARDONA, ISBELIA; SENDUR, SEMIH
To: THE BOEING COMPANY
Reel/Frame 052045/0251 →
Continuity (2)
Continuation 15711444 · Sep 21, 2017
Related Publication 20200190363A1 · Jun 18, 2020