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Methods for short term protection of automotive surfaces and compositions for use therein

A technology for motor vehicles and compositions, applied in the directions of detergent compositions, devices for coating liquids on surfaces, preparation of detergent mixture compositions, etc.

Inactive Publication Date: 2008-05-07
HONEYWELL INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] While suitable for their intended purpose, other protective coatings for motor vehicles are still required

Method used

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  • Methods for short term protection of automotive surfaces and compositions for use therein
  • Methods for short term protection of automotive surfaces and compositions for use therein
  • Methods for short term protection of automotive surfaces and compositions for use therein

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-3

[0100] Examples 1-3: Curable acrylate compositions

[0101] The curable automotive coating compositions were mixed according to the amounts listed in Table 1. The film is formed by knife coating the coating composition onto an automotive panel and curing in sunlight.

[0102] Table 1

[0103] Example

[0104] The films formed according to Examples 2 and 3 were not prone to cracking and were removed by opening with soapy water followed by peeling off the layers.

Embodiment 4-10

[0105] Examples 4-10: Film-forming resin composition

[0106] A film-forming resin composition was formed according to Table 2. The balance of the formulation was water in all cases.

[0107] Table 2

[0108] Example

[0109] The aqueous film-forming composition was applied to a clean 6" x 12" gloss coat painted metal panel using a 1 inch foam poly-brush. Observe coating for wetting, flow and clarity. The formulations of Examples 4-10 all produced coatings with acceptable wetting, flow and clarity.

Embodiment 11-13

[0110] Examples 11-13: Other film-forming resin compositions

[0111] A film-forming resin composition was formed according to Table 3. In these examples, no wetting agent was added to the formulation. Films were formed by drawing down the coating composition on an automotive panel and drying under ambient conditions.

[0112] table 3

[0113] Example

[0114] The formulations of Examples 11-13 all produced excellent films that could not be washed off with water alone.

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PUM

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Abstract

Disclosed are methods of providing short-term protection to an automobile exterior. In one embodiment, the method comprises applying an aqueous film-forming automotive coating composition to an automobile exterior; drying the aqueous film-forming automotive coating composition at ambient conditions to form a protective coating that does not substantially alter the gloss or color of the automobile exterior; and removing the protective coating after a period of time post-application in a manner that does not result in damage to the automobile exterior and produces a biodegradable waste stream. A two component package is also provided, the package comprising an aqueous film-forming automotive coating composition comprising a film-forming polymer and a solvent; and an aqueous wash removal composition that is at least one of a surfactant wash, a solvent wash, a solvent surfactant wash, or a combination thereof. In another embodiment, a curable coating composition is applied and cured by natural sunlight.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Application 60 / 608,615, filed September 10, 2004, which is hereby incorporated by reference in its entirety. Background of the invention [0003] It is known in the automotive industry that surface finishes of motor vehicles are subject to various damages during assembly and during transport from the assembly plant to the point of retail sale. These topcoats may be particularly vulnerable to damage during post-processing due to insufficient curing of the lacquer. Damage to motor vehicle surface finishes during transportation can be severe. In some cases, it may be necessary to return to the assembly shop for repainting. It should be recognized that shipping damage is expensive on recently manufactured vehicles in terms of time, money, and efficiency. Accordingly, it would be desirable to provide a method of preventing damage to the exterior finish of a motor vehicl...

Claims

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Application Information

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IPC IPC(8): B05D7/14B05D7/00B05D3/06
CPCB05D1/327C11D11/0023B05D3/06C09D5/02C09D5/008C09D5/002B05D5/00C11D2111/14B05D7/14B05D7/00
Inventor C·M·迪利D·L·巴洛L·A·加拉赫尔
Owner HONEYWELL INT INC
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