Methacrylate resins for producing road markings

1. A method, comprising:

mixing 1 part of a resin composition (A) and 1 part of a resin composition (B) to form a mixed resin composition, and, after said mixing,

contacting a road marking or a floor coating with said mixed resin composition to renovate the road marking or floor coating,

wherein

said resin composition (A) comprises, based on the total weight thereof,

0.1 to 15% by weight of a urethane (meth)acrylate,

30 to 50% by weight of a methyl methacrylate,

15 to 40% by weight of at least one of an acrylic polymer, a methacrylic polymer, and an acrylic-methacrylic copolymer,

0 to 10% by weight of a crosslinking agent, and

above 0 to 5% by weight of an accelerator;

said resin composition (B) comprises, based on the total weight thereof,

0.1 to 15% by weight of a urethane (meth)acrylate,

30 to 50% by weight of a methyl methacrylate,

15 to 40% by weight of at least one of an acrylic polymer, a methacrylic polymer, and an acrylic-methacrylic copolymer, and

0 to 10% by weight of a crosslinking agent;

said resin composition (B) does not contain an accelerator; and

at least one of said resin composition (A) and (B) further comprises glass beads, an inorganic pigment, and a rheological additive.

2. The method according to claim 1 , wherein said resin composition (A) comprises, based on the total weight thereof,

3 to 10% by weight of a urethane (meth)acrylate,

35 to 45% by weight of a methyl methacrylate,

25 to 35% by weight of at least one of an acrylic polymer, a methacrylic polymer, and an acrylic-methacrylic copolymer,

0 to 3% by weight of a crosslinking agent, and

above 0 to 3% by weight of an accelerator;

said resin composition (B) comprises, based on the total weight thereof,

3 to 10% by weight of a urethane (meth)acrylate,

35 to 45% by weight of a methyl methacrylate,

25 to 35% by weight of at least one of an acrylic polymer, a methacrylic polymer, and an acrylic-methacrylic copolymer, and

0 to 3% by weight of a crosslinking agent.

3. The method according to claim 2 , wherein the mixed resin composition further comprises at least one of a chain transfer agent, a plasticizer, a stabilizer, an inhibitor, a wax, an oil, an activator, and an antifoam.

4. The method according to claim 1 , wherein the crosslinking agent comprises a polyfunctional methacrylate.

5. The method according to claim 1 , wherein the crosslinking agent comprises at least one polyfunctional methacrylate selected from the group consisting of an allyl methacrylate; ethylene glycol dimethacrylate; diethylene glycol dimethacrylate; triethylene glycol dimethacrylate; tetraethylene glycol dimethacrylate; polyethylene glycol dimethacrylate; 1,3-butanediol dimethacrylate; 1,4-butanediol dimethacrylate; 1,6-hexanediol dimethacrylate; 1,12-dodecanediol dimethacrylate; glycerol dimethacrylate; and trimethylolpropane trimethacrylate.

6. The method according to claim 1 , wherein the accelerator comprises an aromatic-substituted tertiary amine.

7. The method according to claim 1 , wherein the mixed resin composition further comprises a fine filler that comprises at least one member selected from the group consisting of

calcium carbonate, barium sulphate, quartz, powder quartz, precipitated silica, fumed silica, a pigment, and a cristobalite.

8. The method according to claim 1 , wherein the mixed resin composition further comprises at least one member selected from the group consisting of an alcohol, a hydrocarbon, a glycol compound, a polyether, a polycarboxylic acid, a saturated polycarboxylic amine amide, an unsaturated polycarboxylic amine amide, a glycolic ester compound, an acetic ester compound, and a polysiloxane.

9. The method according to claim 1 , wherein the mixed resin composition further comprises a UV stabilizer that comprises at least one member selected from the group consisting of

a benzophenone compound, a benzotriazole compound, a thioxanthonate compound, a piperidinolcarboxylic ester compound and a cinnamic ester compound.

10. The method according to claim 1 , wherein the mixed resin composition further comprises a rheology additive that comprises at least one member selected from the group consisting of

a polyhydroxycarboxamide, a urea compound, a salt of an unsaturated carboxylic ester, an alkylammonium salt of an acidic phosphoric acid compound, a ketoxime, an amine salt of p-toluenesulphonic acid, an amine salt of a sulphonic acid compound, an aqueous solution thereof, and an organic solution thereof.

11. The method according to claim 1 , wherein said inorganic pigment comprises titanium dioxide.

12. The method according to claim 1 , wherein said glass beads comprise glass beads having diameters of from 10 to 2000 μm.

13. The method according to claim 1 , wherein said glass beads comprise glass beads having diameters of from 50 to 800 μm.

14. The method according to claim 1 , wherein said mixed resin composition comprises a rheological additive which comprises a fumed or precipitated silica having a BET surface area of from 10 to 700 nm 2 /g.

15. The method according to claim 1 , wherein said mixed resin composition comprises a rheological additive which comprises a silanized silica having BET surface area of from 10 to 700 nm 2 /g.

16. The method according to claim 1 , wherein said mixed resin composition has a density of from 1.6 to 1.85 kg/l.

17. The method according to claim 1 , wherein said road marking is an old road marking.