Biodegradable Wipe With Perforated Structure for Skin Gentleness
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Solution Overview
Problem
Conventional paper wipes for removing facial oils often irritate the skin due to their rigid and stiff fibers, and they lack the dual functionality of providing both scrubbing and gentle cleansing effects.
Innovation Solution
A biodegradable wipe with a three-dimensional perforated structure pattern, composed of a randomized web of spunlaced pulp and cellulosic fibers, which provides a scrubbing effect when dry and a gentle effect when wet, while effectively trapping and removing oily and sticky liquids without scratching surfaces or irritating skin.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional paper wipes use rigid and stiff fibers to maintain structural integrity, then the wipe provides sufficient rigidity for effective cleansing, but the rigid fibers irritate the skin and may cause scratches
Solution Approach 1:
The wipe is divided into two distinct layers: a top layer made of soft, biodegradable fibers for gentle skin contact, and a bottom layer providing structural support and rigidity. This segmentation allows each layer to perform its specific function without compromising the other, resolving the contradiction between skin gentleness and structural integrity
Solution Approach 2:
The invention uses a composite structure combining two different fiber materials with complementary properties. The top layer uses soft, skin-friendly fibers while the bottom layer provides mechanical strength, creating a composite wipe that achieves both gentleness and structural integrity simultaneously
2Shape
If conventional paper wipes undergo calendering treatment to improve smoothness, then the surface becomes smoother, but oil absorption capacity is reduced and the surface may deform to rough when binder is not used
Solution Approach 1:
The wipe structure separates the smoothness function to the top layer while the bottom layer maintains absorption capacity, avoiding the need for calendering treatment that would compromise oil absorption in conventional single-layer wipes
Solution Approach 2:
The invention uses a disposable single-use wipe structure that does not require durable smooth surfaces through calendering, as the wipe is designed for one-time use where initial smoothness is less critical than immediate absorption and gentleness
3Adaptability or versatility
If dual layered wipes are used to provide both gentle and vigorous cleansing, then cleansing versatility is improved, but manufacturing cost increases and skin irritation may occur
Solution Approach 1:
The invention segments the wipe into two functional layers with different fiber compositions: a top layer for gentle cleansing and a bottom layer for structural support and rigidity. This segmentation provides dual functionality while maintaining cost-effectiveness through a simpler construction approach
Solution Approach 2:
The two-layer structure provides multiple functions in a single wipe: the top layer delivers gentle skin contact and cleansing, while the bottom layer provides structural integrity and absorption, making the wipe versatile for various cleansing applications without requiring multiple separate products
4Ease of manufacture
If single layer wipes are used to reduce cost, then manufacturing cost is reduced, but the wipes lack sufficient rigidity and integrity for effective cleansing
Solution Approach 1:
The invention creates a cost-effective two-layer composite structure where the top layer uses softer, more expensive biodegradable fibers for skin contact, while the bottom layer uses more economical materials for structural support, achieving both cost-efficiency and required rigidity
Solution Approach 2:
By segmenting the wipe into functional layers, each layer can be optimized for its specific purpose: the top layer for gentleness and the bottom layer for rigidity, achieving overall structural integrity without requiring the entire wipe to be made from expensive, rigid materials
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 biodegradable wipe effectively removes oily and sticky liquids without causing skin irritation or surface scratches, and its dual functionality allows for both scrubbing and gentle cleansing, making it suitable for personal care and skin care applications.
Implementation Method 1
a three dimensional perforated structure pattern on a surface of said wipe; wherein said pattern is effective for trapping and removing oily and sticky liquids
Implementation Method 2
a randomized web of spunlaced pulp and cellulosic fibers; wherein said wipe provides sufficient rigidity and integrity
Data Source
AI summary
A biodegradable wipe having a three-dimensional perforated structure pattern including a randomized web of pulp and spunlaced cellulosic fibres in a desired proportion, and optionally a colorant. The wipe in the present invention shows dual nature subject to wet or dry condition of the wipe and effectively traps and removes oily and sticky liquids without scratching underlying surfaces or irritating skin.