1. A locking arrangement for a hardtop vehicle roof movable between a closed and an open position and comprising at least a front and a rear roof part arranged, in the longitudinal vehicle direction, one behind the other, said locking arrangement including a first locking structure with a first support plate mounted on said front roof part at the front end thereof, two locking hooks supported on said first support plate so as to be pivotable between a locking position and a release position, each locking hook engaging, in said locking position, a locking pin mounted on a windshield frame of said vehicle, a second locking structure mounted on said front roof part at the rear end thereof adjacent said rear roof part, and an operating mechanism for operating said locking structures, said locking hooks of said first locking structure being arranged on said support plate in a mirror-reversed arrangement with respect to a longitudinal center plane of the vehicle, said operating mechanism including an operating member extending between said first and second locking structures for the concurrent operation of said locking structures, and a common drive for actuating said operating member for the concurrent operation of said locking structures for interlocking said adjacent roof parts together with the locking of the front roof part to the windshield frame.
2. A locking arrangement according to claim 1, wherein said second locking structure includes two additional locking hooks supported on a second support plate so as to be pivotable between a locking position and a release position, each additional locking hook engaging, in said locking position a locking pin mounted on said rear roof part of said vehicle.
3. A locking arrangement according to claim 2, wherein said locking hooks are supported on said support plates so as to be pivotable about a pivot axis and each locking hook includes a bore arranged in spaced relationship from said pivot axis, and an operating pin is received in each bore, each of said operating pins being operatively connected to said operating member for concurrently actuating said locking hooks.
4. A locking arrangement according to claim 2, wherein each of said hooks has inner curved guide surfaces which include locking recesses for receiving said locking pins in the locking position of said locking hooks.
5. A locking arrangement according to claim 3, wherein said inner guide surfaces of said locking hooks are arranged so as to face each other for the engagement of said locking pins.
6. A locking arrangement according to claim 4, wherein said locking pins are supported on support plates mounted to said windshield frame and said rear roof part, respectively.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
Therefore, we claim:
1. An adhesion promoting agent, comprising:
a graft copolymer comprising:
(i) a halogenated polyolefin polymer having at least one reactive functionality; and
(ii) a substantially saturated hydrocarbon polymer having more than one reactive functionality, at least one reactive functionality of the hydrocarbon polymer (ii) being reactive with the reactive functionality of the halogenated polyolefin (i).
2. The adhesion promoting agent according to claim 1, wherein the halogenated polyolefin polymer (i) comprises a halogenated polypropylene polymer.
3. The adhesion promoting agent according to claim 1, wherein the halogenated polyolefin polymer (i) comprises a chlorinated polyolefin polymer.
4. The adhesion promoting agent according to claim 1, wherein the halogenated polyolefin polymer (i) comprises a chlorinated polypropylene polymer.
5. The adhesion promoting agent according to claim 1, wherein the at least one reactive functionality of the halogenated polyolefin polymer (i) is selected from the group consisting of anhydride, carboxylic acid, hydroxyl, epoxy, and isocyanate.
6. The adhesion promoting agent according to claim 1, wherein the halogenated polyolefin polymer (i) comprises a chlorinated polypropylene polymer having at least one reactive functionality selected from the group consisting of anhydride, carboxylic acid, hydroxyl, epoxy, and isocyanate.
7. The adhesion promoting agent according to claim 5, wherein the reactive functionality of the halogenated polyolefin polymer (i) comprises anhydride functionality.
8. The adhesion promoting agent according to claim 1, wherein the hydrocarbon polymer (ii) comprises a substantially saturated polydiene polymer.
9. The adhesion promoting agent according to claim 1, wherein the hydrocarbon polymer (ii) comprises a substantially saturated, hydroxy terminated, polybutadiene polymer.
10. The adhesion promoting agent according to claim 1, wherein the functionality of the hydrocarbon polymer (ii) which is reactive with the functionality of the halogenated polyolefin polymer (i) is selected from the group consisting of hydroxyl, amine, carboxylic acid, epoxy, isocyanate, amide, and mercaptan.
11. The adhesion promoting agent according to claim 10, wherein the functionality of the hydrocarbon polymer (ii) which is reactive with the functionality of the halogenated polyolefin polymer (i) comprises hydroxyl functionality.
12. The adhesion promoting agent according to claim 1, wherein the hydrocarbon polymer (ii) comprises a substantially saturated polybutadiene polymer and the at least one reactive functionality of the hydrocarbon polymer (ii) is selected from the group consisting of hydroxyl, amine, carboxylic acid, epoxy, and isocyanate.
13. An adhesion promoting agent for promoting the adhesion of a coating onto a polymeric substrate, the adhesion promoting agent comprising a graft copolymer comprising:
(i) a chlorinated polypropylene polymer having at least one reactive functionality selected from the group consisting of anhydride, carboxylic acid, hydroxyl, epoxy, and isocyanate; and
(ii) a substantially saturated polybutadiene polymer having more than one reactive functionality, at least one reactive functionality of the polybutadiene polymer being reactive with the reactive functionality of the chlorinated polypropylene polymer, the at least one reactive functionality of the polybutadiene polymer selected from the group consisting of hydroxyl, amine, carboxylic acid, epoxy, and isocyanate.
14. A coating composition, comprising:
(a) at least one crosslinkable film-forming material, and
(b) an adhesion promoting agent, the adhesion promoting agent comprising a graft copolymer comprising:
(i) a halogenated polyolefin polymer having at least one reactive functionality; and
(ii) a substantially saturated hydrocarbon polymer having more than one reactive functionality, at least one reactive functionality of the hydrocarbon polymer (ii) being reactive with the reactive functionality of the halogenated polyolefin (i).
15. The coating composition according to claim 14, further including at least one crosslinking material.
16. The coating composition according to claim 14, wherein the coating composition is a liquid.
17. The coating composition according to claim 14, wherein the coating composition is a powder.
18. The coating composition according to claim 14, wherein the coating composition is a primer composition.
19. The coating composition according to claim 14, wherein the coating composition is a topcoat composition.
20. The coating composition according to claim 14, wherein the coating composition is a basecoat composition.
21. The coating composition according to claim 14, wherein the coating composition is a clearcoat composition.
22. The coating composition according to claim 14, wherein the crosslinkable film forming material is selected from the group consisting of polyesters, polyurethanes, acrylics, epoxies, and mixtures thereof.
23. The coating composition according to claim 14, wherein the crosslinkable film-forming material comprises about 10 weight percent to about 85 weight percent of the coating composition based on total solids of the coating composition.
24. The coating composition of claim 15, wherein the hydrocarbon polymer includes at least one other reactive functionality which is reactive with the crosslinking material.
25. The coating composition of claim 24, wherein the other reactive functionality is selected from the group consisting of hydroxyl, amine, carboxylic acid, epoxy, isocyanate, anhydride, and carbamate.
26. The coating composition according to claim 15, wherein the crosslinking material is selected from the group consisting of isocyanates, aminoplasts, polyacids, anhydrides, and mixtures thereof.
27. The coating composition according to claim 15, wherein the crosslinking material comprises about 15 weight percent to about 50 weight percent of the coating composition based on total solids of the coating composition.
28. The coating composition according to claim 14, wherein the halogenated polyolefin polymer (i) comprises a halogenated polypropylene polymer.
29. The coating composition according to claim 14, wherein the halogenated polyolefin polymer (i) comprises a chlorinated polyolefin polymer.
30. The coating composition according to claim 14, wherein the halogenated polyolefin polymer (i) comprises a chlorinated polypropylene polymer.
31. The coating composition according to claim 14, wherein the reactive functionality of the halogenated polyolefin polymer (i) is selected from the group consisting of anhydride, carboxylic acid, hydroxyl, epoxy, and isocyanate.
32. The coating composition according to claim 14, wherein the reactive functionality of the halogenated polyolefin polymer (i) comprises anhydride.
33. The coating composition according to claim 14, wherein the hydrocarbon polymer (ii) comprises a substantially saturated polydiene polymer.
34. The coating composition according to claim 14, wherein the halogenated polyolefin polymer (i) comprises a chlorinated polypropylene polymer having a reactive functionality selected from the group consisting of anhydride, carboxylic acid, hydroxyl, epoxy, and isocyanate.
35. The coating composition according to claim 14, wherein the hydrocarbon polymer (ii) comprises a substantially saturated, hydroxyl terminated, polybutadiene polymer.
36. The coating composition according to claim 14, wherein the functionality of the hydrocarbon polymer (ii) which is reactive with the functionality of the halogenated polyolefin polymer (i) is selected from the group consisting of hydroxyl, amine, carboxylic acid, epoxy, and isocyanate.
37. The coating composition according to claim 14, wherein the functionality of the hydrocarbon polymer (ii) which is reactive with the functionality of the halogenated polyolefin polymer (i) comprises hydroxyl.
38. The coating composition according to claim 14, wherein the hydrocarbon polymer (ii) comprises a substantially saturated polybutadiene polymer and the at least one reactive functionality of the hydrocarbon polymer (ii) is selected from the group consisting of hydroxyl, amine, carboxylic acid, epoxy, and isocyanate.
39. The coating composition according to claim 14, wherein the adhesion promoting agent comprises a graft copolymer comprising:
(i) a chlorinated polypropylene polymer having at least one reactive functionality selected from the group consisting of anhydride, carboxylic acid, hydroxyl, epoxy, and isocyanate; and
(ii) a substantially saturated polybutadiene polymer having more than one reactive functionality, at least one reactive functionality of the polybutadiene polymer being reactive with the reactive functionality of the chlorinated polypropylene polymer, the at least one reactive functionality of the polybutadiene polymer selected from the group consisting of hydroxyl, amine, carboxylic acid, epoxy, and isocyanate.
40. The coating composition according to claim 39, wherein the coating composition further comprises a crosslinking material and the polybutadiene polymer contains at least one other reactive functionality that is reactive with the crosslinking material, the other reactive functionality selected from the group consisting of hydroxyl, amino, carboxylic acid, epoxy, isocyanate, anhydride, and carbamate.
41. The coating composition according to claim 14, wherein the adhesion promoting agent comprises about 1 weight percent to about 55 weight percent of the coating composition based on total solids of the coating composition.
42. A coated article, comprising:
a polymeric substrate; and
a coating deposited over at least a portion of the substrate, the coating formed from a coating composition comprising:
(a) at least one crosslinkable film-forming material; and
(b) an adhesion promoting agent, the adhesion promoting agent comprising a graft copolymer comprising:
(i) a halogenated polyolefin polymer having at least one reactive functionality; and
(ii) a substantially saturated hydrocarbon polymer having more than one reactive functionality, at least one reactive functionality of the hydrocarbon polymer being reactive with the reactive functionality of the halogenated polyolefin.
43. The coated article according to claim 42, wherein the coating composition further comprises a crosslinking material and the hydrocarbon polymer includes at least one other reactive functionality that is reactive with the crosslinking material.
44. A method of promoting the adhesion of a coating to a polymeric substrate, comprising the steps of:
adding an adhesion promoting agent to a coating composition, the adhesion promoting agent comprising a graft copolymer comprising:
(i) a halogenated polyolefin polymer having at least one reactive functionality; and
(ii) a substantially saturated hydrocarbon polymer having more than one reactive functionality, at least one reactive functionality of the hydrocarbon polymer being reactive with the reactive functionality of the halogenated polyolefin polymer (i).