Galactomannan Hydrogel Composition for Biodegradable Hygiene Absorbency
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Solution Overview
Problem
Existing disposable diapers and hygiene products contain non-biodegradable synthetic polymers that contribute significantly to environmental waste and pose health risks due to their slow decomposition and harmful chemical leaching, necessitating the development of biodegradable alternatives.
Innovation Solution
Hydrogels composed of galactomannans and biodegradable polymers, such as guar gum and alginic acid, are developed to form absorbent hygiene products, offering high liquid retention capacity and rapid biodegradability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If non-biodegradable synthetic polymers are used in disposable diapers and hygiene products, then high absorbency and structural integrity are achieved, but environmental pollution and health hazards increase due to slow decomposition and harmful chemical leaching
Solution Approach 1:
The patent changes the chemical composition parameters by replacing synthetic polymers with biodegradable polymers having specific molecular weights and compositions. The biodegradable polymers are selected to maintain absorbency properties while enabling decomposition into benign byproducts, thus changing the material parameters to resolve the contradiction between performance and environmental harm.
Solution Approach 2:
The patent employs composite materials by combining biodegradable polymers with natural fibers or other biodegradable components to create a hydrogel composition that maintains structural integrity and absorbency while being environmentally friendly. The composite structure allows each component to contribute specific properties, achieving both performance and biodegradability.
2Object-generated harmful factors
If biodegradable polymers are used to reduce environmental waste, then decomposition into natural byproducts is achieved, but manufacturing complexity and cost may increase
Solution Approach 1:
The patent adopts the principle of using biodegradable polymers that can be easily manufactured and disposed of after use. The polymers are designed to be cost-effective and simple to process, allowing for easy manufacturing while maintaining biodegradability. The short service life is acceptable since the materials decompose naturally after use, eliminating the need for complex recycling infrastructure.
Solution Approach 2:
The patent modifies polymer parameters such as molecular weight, crystallinity, and composition to optimize both manufacturability and biodegradability. By adjusting these parameters, the polymers can be processed using conventional manufacturing techniques while still achieving rapid decomposition, thus reducing manufacturing complexity.
3Object-generated harmful factors
If biodegradable polymers with rapid decomposition are used, then environmental friendliness is improved, but product durability and functional lifespan may be reduced
Solution Approach 1:
The patent applies local quality by creating different regions within the hydrogel with varying degrees of biodegradability. The outer layer or specific functional regions may use more durable polymers to maintain structural integrity during use, while inner regions or degradation zones are designed to decompose rapidly after use. This spatial differentiation allows the product to maintain durability during its functional lifespan while achieving rapid decomposition afterward.
Solution Approach 2:
The patent introduces dynamic properties to the polymer structure, allowing it to transition from a stable, durable state during use to a rapidly degrading state after use. This can be achieved through pH-sensitive or enzyme-triggered degradation mechanisms that remain stable during the product's functional lifespan but activate under specific conditions (such as in the digestive system or composting environment), thus maintaining durability when needed while enabling rapid decomposition when required.
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 hydrogels provide a sustainable, non-toxic, and allergen-free solution that reduces environmental pollution and health hazards by decomposing into natural byproducts, while maintaining high absorbency and structural integrity.
Implementation Method 1
the hydrogels of the present disclosure are operable to retain liquids
Implementation Method 2
one or more galactomannans; and one or more biodegradable polymers
Implementation Method 3
the hydrogels of the present disclosure are biodegradable
Data Source
AI summary
Embodiments of the present disclosure pertain to a hydrogel that includes one or more galactomannans and one or more biodegradable polymers. Additional embodiments of the present disclosure pertain to absorptive hygiene products (AHPs) that include the hydrogels of the present disclosure. The AHP may include, without limitation, diapers, tampons, sanitary pads, or combinations thereof. Further embodiments of the present disclosure pertain to methods of forming the hydrogels of the present disclosure. Such methods include associating one or more galactomannans with one or more biodegradable polymers. The methods of the present disclosure may also include a step of incorporating the hydrogel as a component of an AHP.