Materials for bonding elastomer

• US 20060105178A1
• Filed: 11/12/2004
• Published: 05/18/2006
• Est. Priority Date: 11/12/2004
• Status: Abandoned Application

• Current Assignee: Lipa Leon Roitman
• Original Assignee: Lipa Leon Roitman
• Inventors: Roitman, Lipa Leon
• Application Number:
  US10/987,081
• Publication Number:
  US 20060105178A1
• Time in Patent Office: Days
• US Class Current: 428/423.100
• CPC Class Codes: B32B 2264/10 Inorganic particles
• CPC Class Codes: B32B 2307/752 Corrosion inhibitor
• CPC Class Codes: B32B 25/02 with fibres or particles being present as additives in the layer
• CPC Class Codes: B32B 25/04 comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to a layer of a particular substance B32B9/043; next to a bituminous or tarry layer B32B11/044; next to a water setting substance layer B32B13/042; next to a metal layer B32B15/06; next to a glass layer B32B17/063; next to a layer formed of natural mineral fibres or particles B32B19/043; next to a wood layer B32B21/045; next to a cellulosic plastic layer B32B23/046
• CPC Class Codes: B32B 25/16 comprising polydienes homopolymers or poly-halodienes homopolymers B32B25/12 takes precedence
• CPC Class Codes: B32B 7/12 using interposed adhesives or interposed materials with bonding properties
• CPC Class Codes: C08K 5/0025 Crosslinking or vulcanising agents; including accelerators
• CPC Class Codes: C08K 5/13 Phenols; Phenolates
• CPC Class Codes: C08L 2666/14 Macromolecular compounds according to C08L59/00 - C08L87/00; Derivatives thereof
• CPC Class Codes: C08L 51/08 grafted on to macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
• CPC Class Codes: C08L 75/00 Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
• CPC Class Codes: Y10T 428/31551 Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]

Abstract

Compositions are provided that are effective at bonding elastomers and at protecting corrosion-susceptible substrates from corrosion. Further provided are composite articles in which an elastomer substrate is bonded to at least one other substrate with such compositions.

Claims

1. A composition comprising at least one haloalkadiene grafted polymer, at least one multi-hydroxyl aromatic compound, and at least one polyisocyanate, wherein said composition is capable of bonding an elastomer substrate to at least one other substrate.

2. The composition of claim 1 wherein said haloalkadiene grafted polymer comprises at least one product of reacting at least one halogenated cyclic conjugated alkadiene with at least one unsaturated polydiene that comprises 50% or more butadiene units by weight based on the weight of said unsaturated polydiene.

3. The composition of claim 1 wherein said multi-hydroxyl aromatic compound comprises resorcinol.

4. The composition of claim 1, further comprising at least one methylene donor compound.

5. The composition of claim 4, wherein said methylene donor compound is hexamethylentetramine.

6. The composition of claim 1, further comprising at least one vulcanizing agent selected from the group consisting of selenium, sulfur, tellurium, compounds thereof, alloys thereof, and mixtures thereof.

7. The composition of claim 1, wherein said polyisocyanate comprises at least one polymeric polyisocyanate.

8. The composition of claim 1;

further comprising at least one methylene donor compound;

further comprising at least one vulcanizing agent selected from the group consisting of selenium, sulfur, tellurium, compounds thereof, alloys thereof, and mixtures thereof;

wherein said haloalkadiene grafted polymer comprises at least one product of reacting at least one halogenated cyclic conjugated alkadiene with at least one unsaturated polydiene that comprises 50% or more butadiene units by weight based on the weight of said unsaturated polydiene;

wherein said multi-hydroxyl aromatic compound comprises resorcinol; and

wherein said polyisocyanate comprises at least one polymeric polyisocyanate.

11. The composition of claim 1, wherein the amount of phenolic resin in said composition is 0.2% or less by weight based on the total weight of said composition.

12. The composition of claim 11, wherein the amount of phenolic resin in said composition is 0%.

13. The composition of claim 11;

further comprising at least one methylene donor compound;

further comprising at least one vulcanizing agent selected from the group consisting of selenium, sulfur, tellurium, compounds thereof, alloys thereof, and mixtures thereof;

wherein said haloalkadiene grafted polymer comprises at least one product of reacting at least one halogenated cyclic conjugated alkadiene with at least one unsaturated polydiene that comprises 50% or more butadiene units by weight based on the weight of said unsaturated polydiene;

wherein said multi-hydroxyl aromatic compound comprises resorcinol; and

wherein said polyisocyanate comprises at least one polymeric polyisocyanate.

14. A bonded article comprising an elastomer substrate and at least one other substrate, bonded to each other with an adhesive comprising the composition of claim 11.

15. The bonded article of claim 14;

wherein said haloalkadiene grafted polymer comprises at least one product of reacting at least one halogenated cyclic conjugated alkadiene with at least one unsaturated polydiene that comprises 50% or more butadiene units by weight based on the weight of said unsaturated polydiene;

wherein said multi-hydroxyl aromatic compound comprises resorcinol;

wherein said ingredients further comprise at least one methylene donor compound; and

wherein said polyisocyanate comprises at least one polymeric polyisocyanate.

16. The composition of claim 1, wherein the amount of unsaturated elastomer crosslinker in said composition is 0.01% or less by weight based on the total weight of said composition.

17. The composition of claim 16, wherein the amount of unsaturated elastomer crosslinker in said composition is 0%.

18. The composition of claim 16;

further comprising at least one methylene donor compound;

further comprising at least one vulcanizing agent selected from the group consisting of selenium, sulfur, tellurium, compounds thereof, alloys thereof, and mixtures thereof;

wherein said haloalkadiene grafted polymer comprises at least one product of reacting at least one halogenated cyclic conjugated alkadiene with at least one unsaturated polydiene that comprises 50% or more butadiene units by weight based on the weight of said unsaturated polydiene;

wherein said multi-hydroxyl aromatic compound comprises resorcinol; and

wherein said polyisocyanate comprises at least one polymeric polyisocyanate.

19. A bonded article comprising an elastomer substrate and at least one other substrate, bonded to each other with an adhesive comprising the composition of claim 16.

20. The bonded article of claim 19;

wherein said haloalkadiene grafted polymer comprises at least one product of reacting at least one halogenated cyclic conjugated alkadiene with at least one unsaturated polydiene that comprises 50% or more butadiene units by weight based on the weight of said unsaturated polydiene;

wherein said multi-hydroxyl aromatic compound comprises resorcinol;

wherein said ingredients further comprise at least one methylene donor compound; and

wherein said polyisocyanate comprises at least one polymeric polyisocyanate.

9. A bonded article comprising an elastomer substrate and at least one other substrate, bonded to each other with an adhesive formed by a process comprising mixing ingredients comprising at least one haloalkadiene grafted polydiene, at least one multi-hydroxyl aromatic compound, and at least one polyisocyanate.

10. The bonded article of claim 9;

wherein said haloalkadiene grafted polymer comprises at least one product of reacting at least one halogenated cyclic conjugated alkadiene with at least one unsaturated polydiene that comprises 50% or more butadiene units by weight based on the weight of said unsaturated polydiene;

wherein said multi-hydroxyl aromatic compound comprises resorcinol;

wherein said ingredients further comprise at least one methylene donor compound; and

wherein said polyisocyanate comprises at least one polymeric polyisocyanate.