Renewable Oil Coating Composition for Wet Scuff Masking
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Solution Overview
Problem
Existing coating solutions for masking scuff and scratch marks on containers are not sustainable and renewable, leading to decreased aesthetic appeal and commercial value of returnable glass bottles, and they do not effectively coat containers in wet conditions without increasing drying times.
Innovation Solution
A coating composition comprising renewable oils and biodegradable surfactants, applied directly to scuff and scratch marks on containers, which masks the defects while maintaining a low whiteness index and providing ice water resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If mineral oil or paraffin oil based composition is used to mask scuff marks, then the aesthetic appearance of containers is improved, but sustainability and renewability are compromised
Solution Approach 1:
The patent changes the chemical composition parameters of the coating material from non-renewable mineral/paraffin oils to renewable vegetable oils (soybean, corn, sunflower, canola, peanut, almond, avocado, coconut, palm, olive, grapeseed, rice bran, safflower, mustard, groundnut, cashew, walnut, pecan, cashew nut shell). This parameter change maintains the masking function while eliminating environmental harm through biodegradability and renewability.
Solution Approach 2:
The patent creates a composite coating material combining vegetable oils with specific surfactants (alkoxylated alcohols, sorbitans, ethoxylated sorbitans, ethoxylated fatty glycerol esters, alcohol fatty acid esters, soyabean phospholipids, sucrose fatty acid esters, fatty alcohols, fatty alcohol alkoxylates, castor oil ethoxylates, sorbitan ethoxylated esters, sorbitan esters) and optional diluting solvents. This composite formulation achieves effective scuff mark masking while maintaining sustainability through biodegradable components.
2Shape
If conventional coating composition is applied to mask scuff marks, then the whiteness value of scuff marks is reduced, but drying time increases
Solution Approach 1:
The patent modifies the coating composition parameters by using vegetable oils with specific molecular structures and combining them with surfactants that control evaporation rates. The formulation includes optional diluting solvents that can be adjusted to optimize drying time while maintaining effective masking of scuff marks (reducing whiteness value).
3Shape
If coating composition is applied to wet containers, then masking is achieved, but coating effectiveness is reduced
Solution Approach 1:
The patent changes the formulation parameters by incorporating hydrophobic vegetable oils and surfactants that provide water repellency. The coating composition maintains effectiveness on wet container surfaces through proper formulation, allowing application and masking even when containers are damp from condensation or washing.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The composition improves the appearance of containers by reducing scuff marks, extends their lifecycle, and maintains brand image through sustainable means, with effective masking even in wet conditions and rapid drying times.
Implementation Method 1
the whiteness of the scuff that is seen depends on the color of the bottle and design of the bottles since the design affects the intensity/depth of scuff mark or scratch. If the scuff mark is deeper, the whiter the scuff mark appears to the naked eye because of the refraction of the light.
Data Source
AI summary
Provided is a method for masking scuff and/or scratch marks that develop over time on containers. More specifically, the method includes coating the scuff and/or scratch marks on the container with a coating composition that includes renewable and sustainable oils and biodegradable surfactants, and optionally a diluting solvent. The coating composition is disposed on the outer surface of the container, thus masking or covering the scuff and/or scratch marks on the container.