Amino-Amide Binder for Non-Woven Web Chemical Resistance
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Solution Overview
Problem
Existing non-woven polymeric fiber webs face challenges in achieving economic advantages while maintaining necessary physical properties such as chemical resistance and heat resistance, particularly in hazardous environments, and often rely on petroleum-based ingredients and corrosive processes.
Innovation Solution
A curable binder composition formed from the reaction product of an amine and a reactant as an amino-amide intermediate, combined with an aldehyde, which upon curing creates a water-insoluble polymer, offering improved economics, reduced energy consumption, and increased sustainability by eliminating petroleum-based ingredients and process corrosion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional petroleum-based binders are used in non-woven polymeric fiber webs, then the webs can achieve necessary physical properties such as chemical resistance and heat resistance, but the process becomes more expensive, more energy-consuming, and more corrosive
Solution Approach 1:
The patent changes the chemical composition parameters of the binder from petroleum-based to bio-based amino-amide intermediates derived from renewable resources. This parameter change maintains the required chemical resistance and heat resistance while reducing manufacturing cost and energy consumption, as the new binder system requires lower curing temperatures and eliminates corrosive petroleum-based components
Solution Approach 2:
The patent creates a composite binder system combining amino-amide intermediates with bio-based polymers and crosslinking agents. This composite material approach achieves the necessary mechanical strength and thermal stability while using renewable resources, thereby reducing dependency on petroleum-based materials and lowering overall manufacturing costs
2Strength
If conventional binders are used to ensure durability and strength, then the non-woven web maintains necessary physical properties, but the process generates more waste and is less sustainable
Solution Approach 1:
The patent converts the potential harm of using reactive binders that could cause corrosion into a benefit by using amino-amide intermediates that cure to form stable, non-corrosive crosslinked networks. The same crosslinking mechanism that provides durability also eliminates corrosion issues, as the cured amino-amide polymer composition is chemically stable and non-corrosive to metal components
Solution Approach 2:
The patent eliminates the need for corrosive petroleum-based binders and their associated waste products. The bio-based amino-amide binder system completes its function through curing to form stable crosslinked structures, leaving no harmful residues or corrosion products, thereby discarding the harmful factors associated with conventional binder systems
3Strength
If high binder content is used to achieve necessary binding strength, then the non-woven web maintains physical integrity, but the overall cost and energy consumption increase
Solution Approach 1:
The patent employs asymmetric crosslinking where a small amount of amino-amide intermediate is distributed throughout the polymeric fiber web, creating localized crosslinked networks that provide enhanced binding strength without requiring high binder content. The crosslinking density is optimized to achieve maximum binding strength with minimum binder quantity
Solution Approach 2:
The patent changes the molecular weight and crosslinking density parameters of the binder system. The amino-amide intermediates are designed to form highly crosslinked networks with optimized crosslinking density, which allows achieving necessary binding strength with reduced binder content compared to conventional linear or lightly crosslinked binders
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 binder composition provides enhanced chemical and heat resistance, improved flow properties, and reduced energy consumption, resulting in a more sustainable and cost-effective non-woven polymeric fiber web with superior tensile strength and resistance to elevated temperatures.
Implementation Method 1
a curable binder composition formed from the reaction product of an amine and a reactant as an amino-amide intermediate, combined with an aldehyde, which upon curing creates a water-insoluble polymer
Data Source
Figure 1
AI summary
Provided are nonwoven polymeric fiber webs using an improved curable composition. Such curable composition comprises a reaction product of an amine and a reactant in the form of an ammo-amide intermediate. To the ammo-amide is added an aldehyde or ketone to form the curable binder composition. The composition when applied to the polymeric fibers is cured to form a water-insoluble polymer binder which exhibits good adhesion and thermo-dimensional stability.