Compostable Mattress Cover Fabric for Low-Allergy Durability
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Solution Overview
Problem
Cotton-based mattress upholstery fabrics pose an environmental pollution risk and have a significant allergy potential, necessitating an alternative material that is both durable and environmentally friendly.
Innovation Solution
The use of compostable polyester or copolyester yarns, which meet industrial composting standards, is introduced as a sustainable alternative for mattress cover materials, offering a high percentage of compostable content and reduced allergy risk.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If cotton-based upholstery fabrics are used for mattresses, then the material is soft and comfortable, but it has significant allergy potential and environmental pollution risk
Solution Approach 1:
The patent changes the material composition parameter from natural cotton fibers to synthetic polyester/copolyester yarns with specific compositional ratios (80-95% polyester, 5-20% copolyester). This parameter change eliminates the allergy potential of cotton while maintaining durability through the selected synthetic material composition and industrial compostability characteristics.
Solution Approach 2:
The patent employs composite yarns consisting of polyester and copolyester components in specific ratios, creating a blended material that combines the durability of polyester with the compostability and softness properties of copolyester. This composite approach resolves the contradiction between durability and reduced allergy potential.
2Object-affected harmful factors
If conventional polyester yarn is used to reduce allergy potential, then allergy suffering is reduced, but environmental pollution increases
Solution Approach 1:
The patent modifies the polyester material parameters by incorporating copolyester components (5-20%) and ensuring industrial compostability certification. This parameter change transforms conventional non-compostable polyester into an environmentally degradable material that maintains low allergy potential while reducing environmental pollution through controlled decomposition.
Solution Approach 2:
The patent applies the principle of disposable materials by selecting polyester yarns that are industrially compostable. These materials are designed to serve their functional purpose during mattress usage and then decompose in industrial composting facilities, replacing permanent synthetic materials with temporary, biodegradable alternatives that reduce long-term environmental pollution.
3Object-generated harmful factors
If high percentage of compostable polyester yarn is used, then environmental balance is improved and allergy potential is reduced, but manufacturing complexity increases
Solution Approach 1:
The patent establishes specific compositional parameters (80-95% polyester, 5-20% copolyester) that balance environmental compostability with manufacturing feasibility. These defined parameter ranges simplify the manufacturing process by providing clear material specifications for suppliers and manufacturers, reducing the complexity of sourcing and processing while achieving the desired environmental balance.
Data Source
Figure 1
AI summary
The cover fabric (2) comprises 100 wt.% compostable polyester and/or compostable copolyester yarn. The fabric is in the form of a front and back broad double cloth, with or without stuffer, velour or terry fabric, and is designed as a single piece hose for the insertion of mattress (1). Independent claims are included for: (1) a mattress cover; and (2) a method for manufacturing a mattress cover.