Recycled Fiberglass Insulation Mat
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Solution Overview
Problem
The increasing demand for fiberglass products poses environmental challenges due to their non-biodegradability, leading to costly landfill disposal and difficulties in recycling, with existing methods being economically unfavorable and limited in reusing waste fiberglass effectively.
Innovation Solution
A method involving shredding and granulating waste fiberglass into particles of specific sizes, sieving to remove dust and debris, and forming a coherent mat with a binding adhesive to create a porous structure with excellent thermal and sound insulation properties, which can be used in sound barrier panels and thermal insulation applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If fiberglass is burned to reclaim glass fibers, then glass fibers can be reused in new products, but the fibers are severely weakened by heat and can only be reused in small amounts
Solution Approach 1:
The patent changes the processing method from thermal (burning) to mechanical (shredding/granulating), transforming the parameter of fiber recovery from chemical/thermal degradation to physical size reduction. This preserves fiber strength while enabling reuse in insulation panels with particle sizes of 0.6-2.0 mm
Solution Approach 2:
The patent replaces the thermal system (burning polymers to reclaim fibers) with a mechanical system (shredders and granulators). This substitution maintains fiber integrity by avoiding heat exposure while still achieving fiber recovery for reuse in insulation applications
2Ease of manufacture
If fiberglass is disposed of in landfills, then waste management is simplified, but disposal costs are extremely high and environmental damage increases
Solution Approach 1:
The patent implements fiber recovery from waste fiberglass insulation panels through mechanical shredding and granulation. Instead of discarding the material in landfills, the fibers are recovered and reused in new insulation panels, eliminating environmental damage and high disposal costs while maintaining simple processing
Solution Approach 2:
The patent converts waste fiberglass (a harmful environmental factor requiring expensive disposal) into a beneficial resource for manufacturing new insulation panels. The mechanical processing transforms discarded material into reusable particles, turning an environmental problem into an economic and ecological benefit
3Productivity
If shredded fiberglass particles are formed into plates with phenol resin, then reusable insulation plates can be manufactured, but the process requires excess resin removal, oven drying, and curing, making it economically unfavorable
Solution Approach 1:
The patent extracts the unnecessary processing steps (excess resin removal, oven drying, curing) from the manufacturing process. By using adhesive-bonded particles instead of resin-saturated plates, the process eliminates multiple complex steps while maintaining productivity in manufacturing reusable insulation panels
Solution Approach 2:
The patent changes the manufacturing parameters from high-temperature curing processes to ambient temperature adhesive bonding. This parameter change simplifies the device complexity by eliminating ovens and curing cycles while maintaining the ability to produce reusable insulation panels efficiently
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
This method transforms waste fiberglass into a reusable material with superior sound dampening and thermal insulation properties, reducing environmental impact and providing an economically favorable solution for waste management, while also meeting fire retardancy requirements.
Implementation Method 1
forming the particles into a coherent mat having a porous self supporting structure by binding the particles together using an adhesive
Implementation Method 2
recycling fiberglass for thermal insulation and/or sound insulation
Implementation Method 3
recycling fiberglass for thermal insulation and/or sound insulation
Data Source
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AI summary
The present invention pertains generally to the re-use of fiberglass products, and in particular to an insulating panel, comprising particles of shredded and/or granulated waste material at least in part formed by any of the following constituents: fiberglass, glass fiber reinforced plastic and qarbon fibers, wherein the particles are bonded together by an adhesive as a coherent mat having a self supporting porous structure.