Covalently Bonded Antifoam Compositions for Detergent Stability
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Solution Overview
Problem
Existing anti-foam compositions with low viscosity silicones are ineffective due to separation caused by detergent ingredients, leading to compromised antifoaming performance in cleaning and treatment compositions.
Innovation Solution
Development of covalently bonded antifoam compositions with organopolysiloxanes, non-linear organosilicone resins, and hydrophobic fillers, which are heat-treated and sheared to improve antifoaming properties and stability, allowing for effective antifoaming performance even in the presence of detergent ingredients.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If low viscosity silicones are employed in anti-foam compositions to avoid emulsification, then ease of manufacture is improved, but antifoaming effectiveness deteriorates due to separation caused by detergent ingredients
Solution Approach 1:
The patent employs a composite anti-foam composition comprising high viscosity silicone (providing structural integrity and resistance to separation), low viscosity silicone (providing rapid antifoam action), and emulsifier (ensuring compatibility with detergent ingredients). This composite approach combines the advantages of both viscosity types while mitigating their individual disadvantages, achieving both ease of manufacture and reliable antifoaming effectiveness.
Solution Approach 2:
The patent introduces an emulsifier as an intermediary substance that mediates between the silicone components and detergent ingredients. The emulsifier prevents separation by forming stable emulsions, allowing the anti-foam composition to remain effective in the presence of solvents, polymers, and perfumes that would otherwise cause component separation.
2Reliability
If high viscosity silicones are used in anti-foam compositions, then antifoaming effectiveness is improved, but device complexity increases due to required emulsification step
Solution Approach 1:
The patent merges multiple functions into a single anti-foam composition formulation. By combining high viscosity silicone, low viscosity silicone, and emulsifier into one integrated composition, the patent eliminates the need for separate emulsification steps that would otherwise be required when using high viscosity silicones alone. This merged approach maintains antifoaming effectiveness while simplifying the manufacturing process.
Solution Approach 2:
The patent performs preliminary action by pre-formulating the anti-foam composition with all necessary components (high viscosity silicone, low viscosity silicone, and emulsifier) mixed and stabilized before incorporation into the detergent product. This preliminary preparation ensures that no additional emulsification steps are needed during final product manufacturing, reducing process complexity while maintaining effectiveness.
3Ease of operation
If low viscosity silicones are used to simplify manufacturing, then ease of operation is improved, but antifoaming performance deteriorates due to component separation by detergent ingredients
Solution Approach 1:
The patent creates a composite anti-foam system that combines low viscosity silicone (providing ease of operation and rapid action) with high viscosity silicone and emulsifier (providing stability and preventing separation). This composite structure allows the composition to be easily incorporated into detergent products while maintaining reliable antifoaming performance despite the presence of solvents, polymers, and perfumes.
Solution Approach 2:
The emulsifier serves as an intermediary that protects the silicone components from separation by detergent ingredients. It mediates the interaction between the hydrophobic silicone and the aqueous detergent environment, ensuring that the low viscosity silicone remains effectively dispersed and functional throughout the product shelf life and during use.
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 resulting antifoam compositions maintain effectiveness despite the presence of detergent ingredients, providing superior antifoaming properties and stability in cleaning and treatment products.
Implementation Method 1
Si-O-Si groups are formed from the reaction of Si-OH and/or Si-OR groups on one antifoam component with another antifoam component's Si-OH and/or Si-OR groups
Implementation Method 2
the antifoam further comprises a hydrophobic filler
Implementation Method 3
such antifoam components react such that Si-O-Si groups are formed
Data Source
AI summary
The present application relates to anti-foam compositions and methods of making and using such compositions as well as consumer products that comprise such compositions and the use of same. Such anti-foam compositions have low viscosities yet are effective antifoamers.