Extruded PVC Decking with Hollow Microballoons for Heat Management
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Solution Overview
Problem
Traditional PVC synthetic decking materials for boat and yacht decks retain heat excessively when exposed to sunlight, requiring more maintenance and being heavier than teak decking, which lacks the cooling efficiency and lightness of modern alternatives.
Innovation Solution
An extruded surface covering material comprising 15-25% microballoons, 45-55% PVC, and 25-30% plasticizer, with rigid hollow microballoons uniformly distributed for improved heat reflection and reduced heat accumulation, providing a cooler and lighter alternative.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional PVC synthetic decking material is used, then the decking provides durability and low maintenance, but it retains heat excessively when exposed to sunlight
Solution Approach 1:
The patent creates a composite material by incorporating hollow microballoons (1-4 mm diameter) into the PVC decking matrix. This composite structure combines the durability of PVC with the thermal management properties of the hollow spheres, achieving both reliability and reduced heat retention simultaneously
Solution Approach 2:
The hollow microballoons create a porous or cellular structure within the solid PVC material. This internal void structure reduces the overall density and thermal mass of the decking, allowing it to retain less heat while maintaining structural integrity and durability
2Strength
If traditional PVC synthetic decking material is used, then the decking provides structural strength, but it is heavier than teak decking
Solution Approach 1:
By integrating hollow microballoons into the PVC matrix, the patent creates a composite material with reduced density. The hollow spheres displace solid material, decreasing weight while the PVC binder maintains structural strength and load-bearing capacity
Solution Approach 2:
The hollow microballoons act as counterweight elements by introducing air-filled voids that reduce the overall mass of the decking without compromising structural integrity, effectively counteracting the weight disadvantage of traditional solid PVC decking
3Reliability
If traditional PVC synthetic decking material is used, then the decking provides weather resistance, but it cools slowly after sunset
Solution Approach 1:
The hollow microballoon structure creates a porous material with reduced thermal mass. This allows the decking to absorb and release heat more rapidly, reducing the time required to cool down after sunset while maintaining weather resistance through the protective PVC exterior
Solution Approach 2:
The patent changes the thermal parameters of the PVC material by incorporating hollow microballoons, fundamentally altering the heat capacity and thermal conductivity to achieve faster cooling cycles without sacrificing weather resistance
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 extruded material maintains a more comfortable surface temperature, cools faster, and is significantly lighter than traditional PVC synthetic decking, offering enhanced comfort and ease of handling.
Implementation Method 1
rigid hollow microballoons with an opaque surface... When the sun is shining and heats up such a traditional PVC synthetic decking, the traditional PVC synthetic decking is heated up and retains the heat to a larger extent than traditional teak decking
Implementation Method 2
rigid hollow microballoons uniformly distributed in the extruded surface covering material... able to cool faster than, a traditional PVC synthetic decking material
Data Source
Figure 1~2
AI summary
The invention relates to an extruded product comprising extruded surface covering material (4) for covering a boat or yacht deck or another outdoor area (6), the surface covering material (4) comprising a synthetic material (8), where the surface covering material (4) further comprises rigid hollow microballoons (10) with an opaque surface.