Plant Rosin Ester Compositions for Stable Benefit-Agent Delivery
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Solution Overview
Problem
Existing treatment compositions rely on synthetic delivery systems that are not preferred by environmentally-conscious consumers, and naturally derived rosin-based materials face challenges in processing and phase stability, limiting their use as effective delivery agents and performance enhancers.
Innovation Solution
The use of plant rosin esters, characterized by specific softening points, acid numbers, and color grades, in combination with benefit agents like fragrances, to create treatment compositions that facilitate improved delivery and stability while being naturally derived.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If synthetic delivery systems are used, then delivery performance is improved, but environmental acceptability deteriorates
Solution Approach 1:
The patent modifies the chemical parameters of naturally derived rosin materials by controlling esterification reactions to produce specific rosin esters with tailored molecular weights, acid numbers, and softening points. This enables naturally derived materials to achieve delivery performance comparable to synthetic systems while maintaining environmental acceptability.
Solution Approach 2:
The invention creates composite treatment compositions combining plant rosin esters with benefit agents such as fragrances and cationic polymers. This composite approach allows naturally derived rosin materials to function effectively as delivery systems while avoiding the need for purely synthetic materials.
2Object-affected harmful factors
If naturally derived rosin materials are used, then environmental acceptability is improved, but processing difficulty and phase stability deteriorate
Solution Approach 1:
The patent systematically adjusts key parameters of rosin esters including acid number (0-100), softening point (50-120°C), and ester group content (2-6 moles per mole) to optimize both processability and product stability. These parameter controls transform difficult-to-process natural rosins into easily manufacturable materials.
Solution Approach 2:
The invention uses esterification reactions with controlled alcohol content as an intermediary process to modify natural rosin materials. This intermediate chemical modification step converts raw plant rosins into processed rosin esters with improved handling characteristics while preserving their natural origin and environmental benefits.
3Object-affected harmful factors
If naturally derived rosin materials are used, then environmental acceptability is improved, but phase stability deteriorates
Solution Approach 1:
The patent controls the softening point of rosin esters within a specific range (50-120°C) to ensure optimal phase stability in the final treatment composition. This parameter control prevents premature melting or solidification that would cause phase separation, while maintaining the natural derived status of the material.
Solution Approach 2:
The invention employs cationic polymers and other auxiliary agents as intermediaries to enhance the phase stability of treatments containing naturally derived rosin esters. These intermediary substances mediate between the rosin esters and the overall formulation, preventing phase instability while preserving the environmental benefits of natural materials.
Data Source
AI summary
Treatment composition that include certain plant rosin materials and one or more benefit agents, for example fragrance materials, where the plant rosin materials are certain plant rosin esters and/or have certain characteristics, such as certain softening points, acid numbers, and/or color grades. Related methods of making and using such compositions.