Hydrophobically Modified Amido Silicone Copolyol for Clear Conditioning
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Solution Overview
Problem
Existing hair and skin conditioning compositions often result in opaque products, weigh down hair, and fail to provide suitable rheology and conditioning benefits simultaneously, particularly for fine hair where maintaining volume is a concern.
Innovation Solution
A conditioning composition comprising a thickening polymer system, a surfactant system selected from cationic or nonionic surfactants, a hydrophobically modified amido silicone copolyol, and an aqueous carrier, which achieves a transmittance of 25% or more and a viscosity of 1,000 cps to 50,000 cps with a Shear Thinning Index of 30 or more, resulting in a clear product appearance and suitable rheology without weighing down the hair.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional conditioning agents (cationic surfactants, high melting point fatty compounds) are used to form a gel matrix for conditioning benefits, then conditioning performance is improved, but product appearance becomes opaque
Solution Approach 1:
The patent changes the physical-chemical parameters of the conditioning system by replacing traditional gel-forming agents with hydrophobically modified silicones and polymers that provide conditioning benefits through different mechanisms (surface adsorption, film formation) rather than gel matrix formation, enabling transparency while maintaining conditioning performance
Solution Approach 2:
The patent uses composite material systems combining hydrophobically modified silicones with polymers and surfactants to achieve both transparency and conditioning benefits, where each component contributes specific functions without forming an opaque gel structure
2Reliability
If conditioning agents are included in hair care compositions to provide conditioning benefits, then softness and reduced tangling are improved, but hair volume decreases due to weighing down effect
Solution Approach 1:
The patent changes the molecular weight and density parameters of conditioning agents by using lightweight silicone copolyols and polymers that provide conditioning benefits through surface activity and film formation rather than bulk mass, reducing the weighing down effect while maintaining softness and anti-tangling properties
3Ease of operation
If thickening agents are added to achieve suitable rheology for conditioning compositions, then viscosity is improved, but product appearance becomes opaque
Solution Approach 1:
The patent changes the rheological parameters by using associative thickeners and hydrophobically modified polymers that increase viscosity through molecular association and entanglement rather than forming light-scattering gel networks, achieving suitable rheology while maintaining product transparency
Data Source
AI summary
Disclosed are hair or skin conditioning compositions comprising by weight: (a) from about 0.1% to about 10% of a thickening polymer system; (b) from about 0.1% to about 8.0% of a surfactant system selected from the group consisting of cationic surfactant, nonionic surfactant, and mixtures thereof; (c) from about 0.1% to about 10% of a hydrophobically modified amido silicone copolyol; and (d) an aqueous carrier; wherein the composition has a transmittance of 25% or more and/or wherein the composition has a viscosity of from about 1,000 cps to about 50,000 cps and Shear Thinning Index of 30 or more. The compositions are especially suitable for hair care products such as hair conditioning products for rinse-off/leave-on use.