Tire fabric compositions and methods of production thereof
View Patent ↗A polymer-based reinforced rubber composition may be produced that comprises a) a plurality of polymer-based fibers, wherein at least some of the plurality of polymer-based fibers comprises at least one surface modification agent; and b) a rubber compound, wherein the rubber compound comprises a plurality of active rubber moieties, and wherein at least some of the plurality of active rubber moieties is adhesively interactive with the surface modification agent. Methods of producing a polymer-based reinforced rubber composition comprise: a) providing a plurality of polymer-based fibers; b) providing a rubber compound or composition, wherein the rubber compound or composition comprises a plurality of active rubber moieties; c) coupling a surface modification agent onto the surface of at least some of the plurality of polymer-based fibers; and d) adhesively interacting the surface modification agent with at least some of the plurality of active rubber moieties in an adhesive interaction in order to produce an interface. Furthermore, the surface modification agent and the plurality of active rubber moieties are chosen, such that the plurality of active rubber moieties is adhesively interactive with the surface modification agent under preparation conditions, such as vulcanization.
1. A polyester-based reinforced rubber composition, comprising:
a plurality of polyester-based fibers, wherein at least some of the fibers comprise a modification coat that includes a surface modification agent other than RFL, the surface modification agent comprising a methylene acceptor; and
a rubber composition comprising a plurality of active rubber moieties that have a plurality of methylene donors and that are substantially free of methylene acceptors, wherein the rubber composition at least partially surrounds the at least some of the fibers, and wherein the surface modification agent of the modification coat forms covalent bonds with at least some of the plurality of active rubber moieties.
2. The rubber composition of claim 1 , wherein the surface modification agent comprises a second methylene acceptor.
3. The rubber composition of claim 1 , wherein the rubber composition consists essentially of non-metal moieties.
4. The rubber composition of claims 1 or 3 , wherein the surface modification agent and active rubber moieties form a resin interface.
5. The rubber composition of one of claims 1 , 2 , or 3 , wherein the surface modification agent comprises epoxy groups.
6. The rubber composition of claim 5 , wherein the surface modification agent further comprises aromatic hydroxy compounds.
7. The rubber composition of claim 1 , wherein the polyester-based fibers comprise up to about 10% nylon.
8. The rubber composition of claim 5 , wherein the polyester-based fibers comprise up to about 10% nylon.
9. The rubber composition of claim 5 , wherein the surface modification agent further comprises phenolic groups derived from resorcinol, resorcinol-formaldehyde resin, phenol-formaldehyde resin, polyhydric phenol, phenolic novolak resin, resorcinolic novolak resin, phenolic-resorcinolic novolak resin, polyhydric phenol novolak resin, meta-substituted alkenyl phenol or mixtures or derivatives of any of the foregoing.
10. The rubber composition of claim 5 , wherein the surface modification agent further comprises hexamethoxymethylmelamine, partially or completely alkoxyrnethylated monomeric or oligomeric derivatives of melamine, melamine-formaldehyde resin, benzoguanamine, acetoguanamine, cyclohexylguanamine, glycoluril or mixtures or derivatives of any of the foregoing.
11. The rubber composition of claim 8 , wherein the surface modification agent further comprises phenolic groups derived from resorcinol, resorcinol-formaldehyde resin, phenol-fomnidehyde resin, polyhydric phenol, phenolic novolak resin, resorcinolic novolak resin, phenolic-resorcinolic novolak resin, polyhydric phenol novolak resin, meta-substituted alkenyl phenol or mixtures or derivatives of any of the foregoing.
12. The rubber composition of claims 8 , wherein the surface modification agent further comprises hexamethoxymethylmelamine, partially or completely alkoxymethylated monomeric or oligomeric derivatives of melamine, melamine-formaldehyde resin, benzoguanamine, acetoguanamine, cyclohexylguanamine, glycoluril or mixtures or derivatives of any of the foregoing.
13. The rubber composition of claim 5 , wherein the plurality of active rubber moieties fltrther comprises phenolic groups derived from resorcinol, resorcinol-formaldehyde resin, phenol-formaldehyde resin, polyhydric phenol, phenolic novolak resin, resorcinolic novolak resin, phenolic-resorcinolic novolak resin, polyhydric phenol novolak resin, meta-substituted alkenyl phenol or mixtures or derivatives of any of the foregoing.
14. The rubber composition of claim 5 , wherein the plurality of active rubber moieties comprises hexamethoxymethylmelamine, partially or completely alkoxymethylated monomeric or oligomeric derivatives of melamine, melamine-formaldehyde resin, benzoguanamine, acetoguanamine, cyclohexylguanamine, glycoluril, or mixtures or derivatives of any of the foregoing.
15. The rubber composition of claim 8 , wherein the plurality of active rubber moieties further comprises phenolic groups derived from resorcinol, resorcinol-formaldehyde resin, phenol-formaldehyde resin, polyhydric phenol, phenolic novolak resin, resorcinolic novolak resin, phenolic-resorcinolic novolak resin, polyhydric phenol novolak resin, meta-substituted alkenyl phenol or mixtures or derivatives of any of the foregoing.
16. The rubber composition of claim 8 , wherein the plurality of active rubber moieties comprises hexamethoxymethylmelamine, partially or completely alkoxymethylated monomeric or oligomeric derivatives of melamine, melamine-formaldehyde resin, benzoguanamine, acetoguanamine, cyclohexylguanamine, glycoluril, resorcinol, a resorcinol-formaldehyde resin or mixtures or derivatives of any of the foregoing.
17. The rubber composition of claim 1 , wherein the surface modification agent further comprises a liquid rubber having a number average molecular weight less than about 10,000.
18. The rubber composition of one of claims 1 , 2 , or 3 , wherein the surface modification agent comprises from about 0.1 to about 10 parts per weight relative to the fiber weight.
19. The rubber composition of claims one of claims 1 , 2 , or 3 , wherein the amount of active rubber moieties in the uncured rubber comprises from about 0.1 to about 10 parts per hundred relative to the uncured rubber.
20. A method of producing a polyester-based reinforced rubber composition, comprising:
providing a plurality of polyester-based fibers;
providing a rubber compound or composition, wherein the rubber compound or composition comprises a plurality of active rubber moieties that include a plurality of methylene donors and that are substantially free of methylene acceptors;
coupling a surface modification agent other than REL that comprises a methylene acceptor onto at least some of the plurality of polyester-based fibers to thereby form a modification coat on the at least some of the plurality of polyester-based fibers; and
contacting the modification coat with at least some of the plurality of active rubber moieties under conditions that lead to covalent crosslinking between the surface modification agent and at least some of the plurality of active rubber moieties.
21. The method of claim 20 , wherein the conditions comprise vulcanization.
22. The method of claim 20 , wherein upto about 10% of the polyuter-based fibers further comprise nylon.