Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
RETROREFLECTIVE-COATED AUTOMOTIVE VEHICLE COMPONENTS
Document Type and Number:
WIPO Patent Application WO/2000/075242
Kind Code:
A2
Abstract:
The present invention provides metallic and/or polymeric automotive vehicle components coated with a retroreflective outer coating deposited from a coating composition comprising one or more crosslinkable film-forming materials and a plurality of retroreflective microsphere beads. Automotive vehicle components coated with retroreflective waterborne basecoats and retroreflective solventborne basecoats applied over electrodeposited coatings are also provided.

Inventors:
MCCOLLOUGH MARY ANN
PURDY SEAN
RARDON DANIEL E
NEUBAUER CHRISTOPHER M
Application Number:
PCT/US2000/013967
Publication Date:
December 14, 2000
Filing Date:
May 19, 2000
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
PPG IND OHIO INC (US)
International Classes:
B05D5/06; G02B5/128; (IPC1-7): C09D5/00; B05D5/06; B05D7/00
Domestic Patent References:
WO2000015351A12000-03-23
Foreign References:
US5736602A1998-04-07
US2963378A1960-12-06
Attorney, Agent or Firm:
Cannoni, Ann Marie (Inc. One PPG Place Pittsburgh, PA, US)
Download PDF:
Claims:
THEREFORE, WE CLAIM:
1. A metallic automotive vehicle component having on at least a portion of a surface thereof a retroreflective outer coating deposited from a coating composition comprising: (a) a crosslinkable filmforming material; and (b) a plurality of retroreflective microsphere beads.
2. The automotive vehicle component according to claim 1, wherein the component is formed from a metallic material selected from the group consisting of iron, steel, aluminum, zinc, magnesium, alloys and combinations thereof.
3. The automotive vehicle component according to claim 1, wherein the outer coating is an electrodeposited coating.
4. The automotive vehicle component according to claim 1, wherein the outer coating is a monocoat.
5. The automotive vehicle component according to claim 1, wherein the outer coating is a clearcoat applied over a basecoat.
6. The automotive vehicle component according to claim 1, wherein the outer coating is a refinish coating.
7. The automotive vehicle component according to claim 1, wherein the crosslinkable filmforming material is selected from the group consisting of polyesters, polyurethanes, acrylic polymers, polyamides, polyethers and copolymers and mixtures thereof.
8. The automotive vehicle component according to claim 7, wherein the crosslinkable filmforming material is an aqueous dispersion of polymeric microparticles prepared by polymerizing ethylenically unsaturated monomers in the presence of a substantially hydrophobic polymer selected from the group consisting of polyesters and polyurethanes.
9. The automotive vehicle component according to claim 1, wherein the crosslinkable filmforming material is present in an amount ranging from about 25 to about 100 weight percent on a basis of total resin solids of the coating composition.
10. The automotive vehicle component according to claim 1, wherein the retroreflective microsphere beads have an average particle size ranging from about 1 to about 500 micrometers.
11. The automotive vehicle component according to claim 1, wherein the retroreflective microsphere beads are generally hemispherically coated with a coating composition which enables the microsphere beads to be retroreflective in the outer coating on the automotive vehicle component.
12. The automotive vehicle component according to claim 1, wherein the outer coating has a semisaturated microspheric density ranging from about 20 to about 20,000 microspheric beads per square millimeter of automotive vehicle component.
13. The automotive vehicle component according to claim 1, wherein the coating composition further comprises a crosslinking material capable of reacting with the crosslinkable filmforming material to form a crosslinked outer coating.
14. The automotive vehicle component according to claim 1, wherein the coating composition further comprises a volatile material.
15. The automotive vehicle component according to claim 1, wherein the coating composition is a waterborne coating composition.
16. The automotive vehicle component according to claim 1, wherein the coating composition is a solventborne coating composition.
17. The automotive vehicle component according to claim 1, wherein the coating composition is a powder coating composition.
18. A metallic automotive vehicle component having on at least a portion of a surface thereof a multicomponent composite coating comprising a waterborne basecoat and a clearcoat applied over the basecoat, the waterborne basecoat being deposited from a coating composition comprising : (a) a crosslinkable filmforming material; and (b) a plurality of retroreflective microsphere beads.
19. The automotive vehicle component according to claim 18, wherein the component is formed from a metallic material selected from the group consisting of iron, steel, aluminum, zinc, magnesium, alloys and combinations thereof.
20. The automotive vehicle component according to claim 18, wherein the crosslinkable filmforming material is selected from the group consisting of polyesters, polyurethanes, acrylic polymers, polyamides, polyethers and copolymers and mixtures thereof.
21. The automotive vehicle component according to claim 20, wherein the crosslinkable filmforming material is an aqueous dispersion of polymeric microparticles prepared by polymerizing ethylenically unsaturated monomers in the presence of a substantially hydrophobic polymer selected from the group consisting of polyesters and polyurethanes.
22. The automotive vehicle component according to claim 18, wherein the crosslinkable filmforming material is present in an amount ranging from about 25 to about 100 weight percent on a basis of total resin solids of the coating composition.
23. The automotive vehicle component according to claim 18, wherein the retroreflective microsphere beads have an average spherical diameter ranging from about 1 to about 500 micrometers.
24. The automotive vehicle component according to claim 18, wherein the retroreflective microsphere beads are generally hemispherically coated with a coating composition which enables the microsphere beads to be retroreflective in the multicomponent composite coating on the automotive vehicle component.
25. The automotive vehicle component according to claim 18, wherein the multicomponent composite coating has a semisaturated microspheric density ranging from about 20 to about 20,000 microspheric beads per square millimeter of automotive vehicle component.
26. The automotive vehicle component according to claim 18, wherein the coating composition further comprises a crosslinking material. crosslinking material capable of reacting with the crosslinkable filmforming material to form a crosslinked outer coating.
27. The automotive vehicle component according to claim 18, wherein the coating composition further comprises a volatile material.
28. A metallic automotive vehicle component having on at least a portion of a surface thereof a multicomponent composite coating comprising an electrodeposited coating and a retroreflective multicomponent topcoating applied over the electrodeposited coating, the retroreflective multicomponent topcoating comprising a basecoat and a clearcoat applied over the basecoat, the basecoat being deposited from a solventborne basecoating composition comprising : (a) a crosslinkable filmforming material; and (b) a plurality of retroreflective microsphere beads.
29. The metallic automotive vehicle component according to claim 28, wherein the component is formed from a metallic material selected from the group consisting of iron, steel, aluminum, zinc, magnesium, alloys and combinations thereof.
30. The automotive vehicle component according to claim 28, wherein the crosslinkable filmforming material is selected from the group consisting of polyesters, polyurethanes, acrylic polymers, polyamides, polyethers and copolymers and mixtures thereof.
31. The automotive vehicle component according to claim 28, wherein the crosslinkable filmforming material is present in an amount ranging from about 25 to about 100 weight percent on a basis of total resin solids of the coating composition.
32. The automotive vehicle component according to claim 28, wherein the retroreflective microsphere beads have an average spherical diameter ranging from about 1 to about 500 micrometers.
33. The automotive vehicle component according to claim 28, wherein the retroreflective microsphere beads are generally hemispherically coated with a coating composition which enables the microsphere beads to be retroreflective in the multicomponent composite coating on the automotive vehicle component.
34. The automotive vehicle component according to claim 28, wherein the multicomponent composite coating has a semisaturated microspheric density ranging from about 20 to about 20,000 microspheric beads per square millimeter of automotive vehicle component.
35. The automotive vehicle component according to claim 28, wherein the coating composition further comprises a crosslinking material. crosslinking material capable of reacting with the crosslinkable filmforming material to form a crosslinked outer coating.
36. The automotive vehicle component according to claim 28, wherein the coating composition further comprises a volatile material.
37. A polymeric automotive vehicle component having on at least a portion of a surface thereof a retroreflective topcoat deposited from a coating composition comprising: (a) a filmforming material; and (b) a plurality of retroreflective microsphere beads.
38. The polymeric automotive vehicle component according to claim 37, wherein the component is formed from a thermoset polymeric material selected from the group consisting of thermoset polyesters, epoxides, phenolics, thermoset polyurethanes and combinations thereof.
39. The polymeric automotive vehicle component according to claim 37, wherein the component is formed from a thermoplastic polymeric material selected from the group consisting of polyolefins, polyamides, thermoplastic polyurethanes, thermoplastic polyesters, acrylic polymers, vinyl polymers, polycarbonates, copolymers and mixtures thereof.
40. The polymeric automotive vehicle component according to claim 37, wherein the retroreflective topcoat is a monocoat.
41. The polymeric automotive vehicle component according to claim 37, wherein the retroreflective topcoat is a multicomponent coating which comprises a clearcoat applied over a basecoat.
42. The polymeric automotive vehicle component according to claim 37, wherein the clearcoat comprises the coating composition.
43. The polymeric automotive vehicle component according to claim 37, wherein the basecoat comprises the coating composition.
44. The automotive vehicle component according to claim 37, wherein the crosslinkable filmforming material is selected from the group consisting of polyesters, polyurethanes, acrylic polymers, polyamides, polyethers and copolymers and mixtures thereof.
45. The automotive vehicle component according to claim 37, wherein the crosslinkable filmforming material is present in an amount ranging from about 25 to about 100 weight percent on a basis of total resin solids of the coating composition.
46. The automotive vehicle component according to claim 37, wherein the retroreflective microsphere beads have an average spherical diameter ranging from about 20 to about 200 micrometers.
47. The automotive vehicle component according to claim 37, wherein the retroreflective microsphere beads are generally hemispherically coated with a coating composition which enables the microsphere beads to be retroreflective in the topcoat on the automotive vehicle component.
48. The automotive vehicle component according to claim 37, wherein the topcoat has a semisaturated microspheric density ranging from about 20 to about 20,000 microspheric beads per square millimeter of automotive vehicle component.
49. The automotive vehicle component according to claim 37, wherein the coating composition further comprises a crosslinking material. crosslinking material capable of reacting with the crosslinkable filmforming material to form a crosslinked topcoat.
50. The automotive vehicle component according to claim 37, wherein the coating composition further comprises a volatile material.
51. The automotive vehicle component according to claim 37, wherein the coating composition is a waterborne coating composition.
52. The automotive vehicle component according to claim 37, wherein the coating composition is a solventborne coating composition.
53. The automotive vehicle component according to claim 37, wherein the coating composition is a powder coating composition.
54. An automotive vehicle component having on at least a portion of a surface thereof a retroreflective coating deposited from a coating composition comprising: (a) a crosslinkable filmforming material; (b) a plurality of microsphere beads; and (c) a plurality of reflective particles.
Description:
INTERNATIONAL SEARCH REPORT PCT/US00/13967 C. (Continuation) DOCUMENTS CONSIDERED TO BE RELEVANT Category ° Citation of document, with indication, where appropriate, of the retevant passages Relevant to claim No. P, X WO 00 15351 A (INNOVATIVE CONCEPTS 1, 2,4,7, UNLIMITED) 23 March 2000 (2000-03-23) 9, 10, 13-20, 22,23, 26-32, 35,36 page 3, paragraph 2 page 4, line 17-19 page 5, paragraphs 2,4 page 6, paragraph 3 page 9, line 20-page 10, line 13 A US 2 963 378 A (MINNESOTA MINING AND 1-36 MANUFACTURING COMPANY) 6 December 1960 (1960-12-06) cited in the application whole document 1 Intel,, ational application ! INTERNATIONAL SEARCH REPORT PCT/US 00/13967 Box I Observations where certain claims were found unsearchable (Continuation of item 1 of first sheet) This International Search Report has not been established in respect of certain claims under Article 17 (2) (a) for the following reasons: 1. Claims Nos.: because they relate to subject matter not required to be searched by this Authority, namely: 2. Claims Nos.: because they relate to parts of the International Application that do not comply with the prescribed requirements to such an extent that no meaningful International Search can be carried out, specifically : 3. Claims Nos.: because they are dependent claims and are not drafted in accordance with the second and third sentences of Rule 6.4 (a). Box 11 Observations where unity of invention is lacking (Continuation of item 2 of first sheet) This International Searching Authority found multiple inventions in this international application, as follows : see additional sheet 1. As all required additional search fees were timeiy paid by the applicant, this international Search Report covers all searchable claims. 2. As all searchable claims could be searched without effort justifying an additional fee, this Authority did not invite payment of any additional fee. 3. As only some of the required additional search fees were timely paid by the applicant, this International Search Report covers only those claims for which fees were paid, specifically claims Nos.: 4. No required additional search fees were timely paid by the applicant. Consequently, this International Search Report is restricted to the invention first mentioned in the claims; it is covered by claims Nos.: 1-36 Remark on Protest The additional search fees were accompanied by the applicant's protest. H No protest accompanied the payment of additional search fees. u FURTHER INFORMATION CONTINUED FROM PCT/ISA/210 This International Searching Authority found multiple (groups of) inventions in this international application, as follows: 1. Claims: 1-36 Metallic automotive vehicle component coated with a retroreflective coating composition containing a crosslinkable film-forming polymer 2. Claims: 37-53 Polymer automotive vehicle component coated with a retroreflective coating composition containing a film-forming polymer 3. Claim: 54 Automotive vehicle component coated with a retroreflective coating composition containing a crosslinkable film-forming polymer, microbeads and reflective particles INTERNATIONAL SEARCH REPORT Intern al Application No ., ormation on patent family members PCT/US 00/13967 Patent document Publication Patent family Publication cited in search report date member (s) date US 5736602 A 07-04-1998 NONE WO 0015351 A 23-03-2000 AU 5688299 A 03-04-2000 US 2963378 A 06-12-1960 NONE