Dishwashing Detergent with Xylanase and Block Copolymer for Burnt-on Soil Removal
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Solution Overview
Problem
Automatic dishwashing detergents face challenges in effectively removing burnt-on baked-on soils from dishware, particularly from stainless steel surfaces, due to their difficulty in adhering to the surface and requiring specific formulations that account for various soils and dishwashing processes.
Innovation Solution
A dishwashing detergent composition incorporating xylanase and an ethylene oxide-propylene oxide block copolymer with a cloud point of 20°C or greater, which enhances cleaning efficiency by utilizing enzymatic activity and surfactant properties to break down and remove tough soils.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional dishwashing detergents are used, then general cleaning is achieved, but burnt-on baked-on soils cannot be effectively removed
Solution Approach 1:
The detergent composition combines xylanase enzyme with ethylene oxide-propylene oxide block copolymer surfactants to create a composite cleaning system. The xylanase specifically degrades burnt-on organic soils through enzymatic hydrolysis, while the block copolymer surfactants provide general cleaning and emulsification. This composite approach addresses both the specific challenge of burnt-on soils and general cleaning requirements, resolving the contradiction between general cleaning effectiveness and specialized soil removal capability.
Solution Approach 2:
The invention specifies particular parameters for the block copolymer surfactants, including cloud point temperature ranges and molecular weight distributions, to optimize performance. By carefully controlling these parameters, the detergent achieves enhanced ability to remove burnt-on soils while maintaining effective general cleaning, thus resolving the contradiction between specialized and general cleaning effectiveness.
2Object-affected harmful factors
If xylanase alone is used, then burnt-on soil degradation is achieved, but overall cleaning performance is insufficient
Solution Approach 1:
The invention merges xylanase enzyme with ethylene oxide-propylene oxide block copolymer surfactants in a single detergent composition. The xylanase provides specialized degradation of burnt-on organic soils through enzymatic action, while the block copolymer surfactants deliver general cleaning, emulsification, and wetting. This merging of specialized enzymatic action with general surfactant functionality resolves the contradiction between targeted soil removal and overall cleaning performance.
Solution Approach 2:
The detergent composition achieves multi-functionality by combining xylanase for specific burnt-on soil degradation with block copolymer surfactants that provide general cleaning, emulsification, and detergency. This universal approach ensures effective removal of various soil types including burnt-on residues, while maintaining broad cleaning effectiveness across different soil categories, thus resolving the contradiction between specialized and general cleaning functions.
3Reliability
If block copolymer with low cloud point is used, then general surfactant performance is achieved, but effectiveness against burnt-on soils is reduced
Solution Approach 1:
The invention specifies particular parameter ranges for the block copolymer surfactants, including cloud point temperatures above certain thresholds and specific molecular weight distributions. These parameter changes optimize the surfactant's ability to work synergistically with xylanase on burnt-on soils while maintaining effective general surfactant performance. By carefully controlling these parameters, the contradiction between general surfactant functionality and specialized burnt-on soil removal is resolved.
Solution Approach 2:
The detergent composition creates a composite system where xylanase and specifically parameterized block copolymer surfactants work together. The block copolymers with optimized parameters provide enhanced interfacial activity and synergistic interaction with xylanase, improving burnt-on soil removal while maintaining general surfactant performance. This composite approach resolves the contradiction between general and specialized cleaning effectiveness.
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 significantly improves the removal of burnt-on baked-on soils from stainless steel surfaces, demonstrating enhanced cleaning performance compared to using either component alone, with improved soil removal rates when combined with surfactants like Pluronic PE9200.
Implementation Method 1
The present invention provides a dishwashing detergent composition comprising a xylanase and a ethylene oxide - propylene oxide block copolymer having a cloud point of 20°C or greater than 20°C
Implementation Method 2
a ethylene oxide - propylene oxide block copolymer having a cloud point of 20°C or greater than 20°C
Data Source
AI summary
The present invention relates to a dishwashing detergent composition comprising xylanase and block co-polymer.