Formaldehyde-Free UV Blockboard with Antibacterial Nanoscale Microspheres
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional blockboard production methods face challenges in reducing formaldehyde emission and ensuring antibacterial properties, with existing solutions being costly, inefficient, and using uncertain or ineffective antibacterial agents.
Innovation Solution
A formaldehyde-free UV blockboard with an antibacterial layer containing nanoscale polymer hollow microspheres, water-in-oil drops with bamboo vinegar and aqueous sodium hydroxide solution, and titanium dioxide aerosol particles, which effectively absorb and oxidize formaldehyde, providing broad-spectrum bacterial and fungal killing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional melamine-impregnated film paper is used, then the blockboard has good surface finish and adhesion, but high formaldehyde emission occurs
Solution Approach 1:
The patent extracts and removes the harmful formaldehyde component from the adhesive system by using formaldehyde-free soybean protein adhesive instead of conventional melamine-formaldehyde resin, thereby eliminating the source of formaldehyde emission while maintaining adhesive functionality
Solution Approach 2:
The patent changes the chemical composition parameters of the adhesive by replacing synthetic melamine-formaldehyde resin with natural soybean protein-based adhesive, fundamentally altering the adhesive system to eliminate formaldehyde emission while achieving comparable bonding performance
2Reliability
If conventional antibacterial agents are used, then the blockboard has antibacterial function, but safety and environmental friendliness become uncertain
Solution Approach 1:
The patent employs zinc oxide nanoparticles as a natural, non-toxic antibacterial agent that provides effective antibacterial protection without the safety concerns associated with conventional organic antibacterial agents, ensuring both functionality and environmental friendliness
Solution Approach 2:
The patent creates a composite antibacterial system by combining zinc oxide nanoparticles with UV curing technology, forming a multi-functional coating that provides both antibacterial protection and formaldehyde-free surface finishing
3Object-affected harmful factors
If formaldehyde-absorbing layer is added to reduce formaldehyde emission, then formaldehyde emission is reduced, but the process becomes complex and costly
Solution Approach 1:
The patent applies preliminary action by using formaldehyde-free soybean protein adhesive from the outset, preventing formaldehyde generation at the source rather than requiring subsequent formaldehyde-absorbing layers or purification steps, thereby simplifying the overall process
4Reliability
If conventional organic antibacterial agents are used, then the blockboard has antibacterial property, but the safety of the agent remains inconclusive
Solution Approach 1:
The patent employs zinc oxide nanoparticles as a natural, non-toxic antibacterial agent that provides effective antibacterial protection without the safety concerns associated with conventional organic antibacterial agents, ensuring both functionality and environmental friendliness
Solution Approach 2:
The patent converts the naturally occurring properties of zinc oxide and soybean protein into beneficial antibacterial and adhesive functions, transforming natural materials into effective protective and bonding agents without harmful byproducts
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 achieves continuous purification of formaldehyde and inhibition of harmful microorganisms, with a prolonged efficacy duration and environmental friendliness, while adhering to safety and toxicity standards.
Implementation Method 1
The water-in-oil drop includes a bamboo vinegar at an outer layer and an aqueous sodium hydroxide solution at an inner layer... the bamboo vinegar at the outer layer not only can absorb volatile harmful gas (such as formaldehyde)
Implementation Method 2
the titanium dioxide aerosol particles therein can oxidize formaldehyde molecules captured by the aqueous sodium hydroxide solution
Implementation Method 3
embedding by the nanoscale polymer hollow microspheres can prevent the evaporation of the bamboo vinegar
Implementation Method 4
a UV cured layer... Irradiated by ultraviolet light, the adhesive film formed by a facing UV coating does not contain formaldehyde
Data Source
AI summary
The invention discloses a formaldehyde-free UV blockboard with an antibacterial function and a preparation process thereof. The blockboard sequentially includes a substrate, an antibacterial layer, and a UV cured layer. The antibacterial layer contains a formaldehyde-removing antibacterial microsphere, and the formaldehyde-removing antibacterial microsphere includes a nanoscale polymer hollow microsphere. A water-in-oil drop permeates into a center of the nanoscale polymer hollow microsphere, the water-in-oil drop includes a bamboo vinegar at an outer layer and an aqueous sodium hydroxide solution at an inner layer, and titanium dioxide aerosol particles are dispersed in the aqueous sodium hydroxide solution.