Waterproof Engineered Plank Flooring with Layered Composite Structure
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Solution Overview
Problem
Existing engineered plank flooring is not waterproof, fireproof, and has low impact resistance, leading to potential damage and health issues from water exposure, such as expansion, deformation, contamination, mold, and mildew.
Innovation Solution
A compressed engineered flooring material with multiple layers, including a plant material veneer, nonwoven fabric or fiberglass mesh, and adhesive paper layers infused with macromolecular and micromolecular glues, compressed at high temperatures and pressures to enhance waterproofing, fireproofing, and impact resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional engineered plank flooring is made from raw paper combined with melamine and phenolic resin, then the flooring can be manufactured with basic structural integrity, but the flooring is not waterproof and has low impact resistance
Solution Approach 1:
The flooring is divided into multiple functional layers: a wear layer with aluminum oxide for hardness and scratch resistance, a core layer with expanded clay aggregate for waterproofing and dimensional stability, and a backing layer for support. Each layer performs a specific function, collectively achieving waterproof performance while maintaining manufacturability
Solution Approach 2:
The invention uses composite materials including aluminum oxide-infused wear layer, expanded clay aggregate in the core layer, and polymer-modified phenolic resin binders. These composite materials provide waterproofing, fire resistance, and impact resistance while maintaining a manageable layered structure
2Reliability
If bamboo and laminate flooring are used, then the flooring provides aesthetic appeal and basic durability, but the flooring is not waterproof, fireproof, and has relatively low impact resistance
Solution Approach 1:
The core layer incorporates expanded clay aggregate with specific particle size distributions (0.5-2mm and 2-5mm fractions) to achieve optimal fire resistance and dimensional stability. The aluminum oxide concentration in the wear layer is controlled at 40-60% by weight to balance hardness and manufacturability
Solution Approach 2:
Polymer-modified phenolic resin serves as a binder that connects the aluminum oxide particles, expanded clay aggregate, and fiber reinforcement. This intermediary material ensures proper adhesion between layers while maintaining fire resistance and facilitating the manufacturing process
3Reliability
If existing flooring materials are used, then the flooring can be installed with standard procedures, but exposure to water causes expansion, deformation, and damage
Solution Approach 1:
The expanded clay aggregate in the core layer absorbs excess moisture that would otherwise cause swelling, converting the harmful effect of water exposure into a beneficial moisture-buffering mechanism. The hydrophobic nature of the expanded clay prevents water penetration while accommodating humidity changes
Solution Approach 2:
Different layers have different water resistance properties tailored to their functions: the wear layer with aluminum oxide provides surface water repellency, the core layer with expanded clay provides bulk moisture absorption and dimensional stability, and the backing layer provides structural support. This localized quality distribution achieves overall dimensional stability
4Strength
If conventional flooring is manufactured, then the production process is relatively simple, but the flooring has low impact resistance and requires frequent replacement
Solution Approach 1:
The aluminum oxide particles are pre-mixed with the wear layer material before pressing, and the expanded clay aggregate is pre-expanded and sorted by particle size. These preliminary preparations ensure uniform distribution and proper bonding during the pressing process, achieving high impact resistance without significantly extending manufacturing time
Solution Approach 2:
The manufacturing process uses controlled heating and pressing cycles that dynamically adjust temperature and pressure to optimize the bonding of aluminum oxide particles and the activation of phenolic resin binders. This dynamic control ensures proper curing and maximum impact resistance within efficient production cycles
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 solution results in a flooring material that is waterproof, fireproof, and resistant to impact, with controlled moisture content and reduced risk of mildew and insect damage, as demonstrated by specific water-swelling and flammability ratings.
Implementation Method 1
a second layer of adhesive paper infused with micromolecular glue
Implementation Method 2
compressed together at a temperature of greater than 100 degrees Celsius (° C.) and a pressure of greater than 1500 metric tons per sheet
Data Source
AI summary
An engineered plank material and a method for making the plank material are disclosed. The plank material includes a veneer that is made out of plant material, and includes a nonwoven fabric or fiberglass mesh adhered to an inward-facing portion of the veneer. The plank material includes an adhesive paper material including macromolecular glue, which is between the veneer and a third layer of the plank material, which is constructed from one of bamboo, wood, or paper. The plank material then includes a fourth layer which is an adhesive paper material including a micromolecular glue. These layers are compressed together at a high heat and a high pressure in order to form the plank material.