Hydrophobic Cellulose Fiber Emulsion for Durable Water-Resistant Films
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Solution Overview
Problem
Existing films made from hydrophobically modified cellulose fibers lack durability and water resistance, and existing emulsion compositions do not effectively form films with both slippery properties and durability.
Innovation Solution
An emulsion composition containing hydrophobically modified cellulose fibers, which are either bound to a silicone-based compound or a hydrocarbon-based compound with a cationic group via ionic bonding, along with water and an organic compound, is used to form a film by drying the composition, creating a network that crosslinks to enhance durability and water resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a film is made from hydrophobically modified cellulose fibers, then slippery properties are achieved, but durability and water resistance are insufficient
Solution Approach 1:
The invention uses composite materials by combining hydrophobically modified cellulose fibers with silicone-based compounds or hydrocarbon-based compounds having cationic groups. This composite structure allows the film to simultaneously achieve slippery properties from the hydrophobic cellulose fibers and improved durability and water resistance from the crosslinked network formed by the silicone or hydrocarbon compounds.
Solution Approach 2:
The invention changes the chemical parameters of the cellulose fibers by introducing hydrophobic modifications and binding them to specific compounds (silicone-based or hydrocarbon-based with cationic groups having 16-40 carbon atoms). This parameter change enables the film to achieve both slippery properties and enhanced durability through crosslinking.
2Ease of operation
If emulsion composition is used to form a film, then slippery properties are achieved, but water resistance and durability are insufficient
Solution Approach 1:
The emulsion composition comprises composite materials including hydrophobically modified cellulose fibers bound to silicone-based compounds or hydrocarbon-based compounds with cationic groups. This composite structure enables the formed film to exhibit both slippery properties and improved water resistance through the crosslinked network structure.
Solution Approach 2:
The invention applies local quality by creating a crosslinked network structure at specific locations within the film matrix where the hydrophobically modified cellulose fibers are bound to silicone or hydrocarbon compounds. This localized crosslinking provides enhanced water resistance and durability at critical interfaces while maintaining the overall slippery properties of the film surface.
3Reliability
If hydrophobically modified cellulose fibers are bound to organic compounds, then network crosslinking is achieved, but manufacturing complexity increases
Solution Approach 1:
The invention applies preliminary action by pre-modifying the cellulose fibers with hydrophobic groups and pre-forming the emulsion composition with the appropriate silicone-based or hydrocarbon-based compounds before film formation. This preliminary preparation simplifies the overall manufacturing process by eliminating the need for complex post-processing crosslinking steps.
Solution Approach 2:
The emulsion composition acts as an intermediary medium that facilitates the binding between hydrophobically modified cellulose fibers and silicone-based or hydrocarbon-based compounds. This intermediary approach simplifies manufacturing by enabling crosslinking to occur during the emulsion formation process rather than requiring separate complex crosslinking equipment or procedures.
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 film exhibits excellent water resistance and slippery properties with improved durability, achieved through the formation of a network structure during drying.
Implementation Method 1
forming a film by drying the composition, creating a network that crosslinks to enhance durability and water resistance
Implementation Method 2
forming a film by drying the composition
Data Source
AI summary
The present invention relates to the provision of an aqueous emulsion composition for producing a film showing slippery properties containing hydrophobically modified cellulose fibers and at the same time improving water resistance and durability of the film. Since the emulsion composition of the present invention is capable of forming a film having slippery properties, which can be utilized on various surfaces, for example, those in the fields of coatings for ships and bridges, cosmetics, and the like.