Composite Coated Substrates for Durability and Fastener Retention

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Solution Overview

Problem

Traditional building materials are prone to rapid deterioration from wear, sunlight, weather, and insect damage, and often lack sufficient mechanical properties to withstand high loads, posing risks of destruction and injury, while the cost of materials like wood has increased, and there is a growing focus on reusing or recycling materials in 'green' building practices.

Innovation Solution

A moldable composite material comprising flakes of composite material, which can be applied as a coating or mixed with substrate pieces, incorporating fibers embedded in a polymeric matrix, providing enhanced mechanical properties and fastener retention, and can be made from recycled or waste materials.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional building materials are used, then material cost is reduced, but durability and mechanical properties deteriorate quickly under wear, sunlight, weather, and high loads

Engineering Contradiction:
ImprovedurabilityVSAvoidmechanical properties
Core Design Contradiction:
ReliabilityVSStrength

Solution Approach 1:

The patent applies composite materials consisting of flakes containing fibers embedded in a polymeric matrix as a coating on substrates. This composite structure combines the benefits of different materials to achieve both durability against environmental factors (wear, sunlight, weather) and enhanced mechanical properties (strength, stiffness) to withstand high loads such as high winds and explosive blasts, thereby resolving the contradiction between reliability and strength.

Inventive Principle:
Principle #40Composite materials

2Reliability

If traditional building materials are used, then initial material cost is low, but maintenance and replacement costs increase due to rapid deterioration

Engineering Contradiction:
ImprovedurabilityVSAvoidmaterial cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent utilizes recycled or waste materials to produce the flake composite coating material. By recovering and reprocessing discarded materials into valuable composite flakes, the invention reduces the cost of manufacturing durable coated substrates while improving reliability, thus resolving the contradiction between durability and manufacturing cost.

Inventive Principle:
Principle #34Discarding and recovering

3Object-affected harmful factors

If coating material is applied to enhance durability, then protection against environmental factors improves, but fastener retention and mechanical integrity may be compromised

Engineering Contradiction:
Improveprotection against wear, sunlight, weatherVSAvoidfastener retention
Core Design Contradiction:
Object-affected harmful factorsVSStrength

Solution Approach 1:

The patent employs a composite coating material with fibers embedded in a polymeric matrix that provides both environmental protection and structural reinforcement. The fibrous composite structure maintains fastener retention and mechanical integrity while simultaneously protecting the substrate against wear, sunlight, and weather, thereby resolving the contradiction between protection and strength.

Inventive Principle:
Principle #40Composite materials

Data Source

PatentUS9631095B2Composite coated substrates and moldable composite materials
Publication Date: 2017.04.25 AVIENT CORP
  • US9631095B2 patent drawing
  • US9631095B2 patent drawing

AI summary

A moldable composite material contains flakes of composite material, i.e., flakes of polymeric matrix materials having fibers embedded therein. An improved substrate is provided by providing a substrate and applying a coating onto the substrate, the coating containing the flakes of composite material. A first construction member can be secured to a second construction member by applying the coating onto an attachment region of the first construction member, and applying a fastener onto the first construction member in the coated attachment region to secure the first construction member to the second construction member.