Amorphous Polyphosphate Materials with Multi-Cation Composition
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Solution Overview
Problem
Polyphosphate materials are challenging to process due to their high melting temperatures and insolubility in organic solvents, limiting their applications, and they contribute to environmental pollution and global warming when synthetic polymers are combusted.
Innovation Solution
Development of amorphous polyphosphate materials with a backbone comprising oxygen-phosphate bonds and multiple cations, which can be processed into various forms such as gels, adhesives, films, and foams, using methods like coacervation and thermal polycondensation, allowing for lower melting temperatures and improved solubility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If polyphosphate is processed into materials of various shapes and morphologies, then the material applications are expanded, but the processing difficulty increases due to high melting temperatures and insolubility
Solution Approach 1:
The patent changes the physical and chemical parameters of polyphosphate by incorporating multiple different cations (e.g., Li+, Na+, K+, Ca2+, Mg2+) to modify its melting temperature and solubility characteristics. This allows the material to be processed at lower temperatures and in various solvents while maintaining its desirable properties, thus resolving the contradiction between expanded applications and processing difficulty
Solution Approach 2:
The patent creates composite polyphosphate materials by combining multiple cation types within the polyphosphate structure. This composite approach enables the material to exhibit both the thermal stability of polyphosphate and improved processability through the synergistic effects of different cations, allowing fabrication into diverse shapes and morphologies without requiring extreme processing conditions
2Ease of manufacture
If synthetic polymers are used to replace polyphosphate materials, then the processing ease is improved, but the environmental harm increases due to CO2 emissions and pollution accumulation
Solution Approach 1:
The patent modifies the chemical composition parameters of polyphosphate by incorporating multiple cations, which changes its processing characteristics to be more comparable to synthetic polymers. Simultaneously, the inherent environmental benefits of polyphosphate (biodegradability, low CO2 emissions) are preserved, thus resolving the contradiction between processing ease and environmental harm
Solution Approach 2:
The patent converts the traditional drawback of polyphosphate (difficulty in processing) into a benefit by using multi-cation composition to enable low-temperature processing and solvent solubility. This allows polyphosphate to be processed as easily as synthetic polymers while maintaining its environmental advantages, effectively turning a harmful characteristic into a beneficial one
3Stability of the object's composition
If polyphosphate forms semi-crystalline solids, then the thermal stability is improved, but the processability worsens due to high melting temperatures
Solution Approach 1:
The patent changes the crystalline structure parameter by incorporating multiple different cations that disrupt the regular crystal lattice formation. This results in an amorphous or less crystalline structure with lower melting temperature, enabling easier processing while the thermal stability is maintained through the strong oxygen-phosphate bonds in the polyphosphate backbone
Solution Approach 2:
The patent applies local quality by having different cations distributed throughout the polyphosphate structure, where some regions maintain the thermally stable oxygen-phosphate backbone while other regions with different cation compositions lower the overall melting point and improve processability, thus resolving the contradiction between thermal stability and processability
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 resulting polyphosphate materials exhibit thermal stability, fire resistance, and reduced environmental impact, with applications in insulation, adhesives, and coatings, while being more processable and recyclable than traditional polymers.
Implementation Method 1
The polyphosphate material is amorphous
Data Source
AI summary
A polyphosphate material is disclosed. The polyphosphate material can include a plurality of polyphosphate chains. The polyphosphate chains can have a backbone that include oxygen-phosphate bonds. Two or more cations can be included. Further, the polyphosphate material can be amorphous. The two or more cations can be monovalent cations, divalent cations, trivalent cations, tetravalent cations, and combinations thereof. The two or more cations can be lithium, sodium, potassium, rubidium, cesium, francium, ammonium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, titanium, iron (Fe2+), chromium (Cr2+), manganese (Mn2+), cobalt (Co2+), nickel (Ni2+), copper (Cu2+), cadmium, tin (Sn2+), mercury (Hg2+), lead (Pb2+), aluminum, boron, gallium, iron (Fe+3), chromium (Cr+3), cobalt (Co+3), gold (Au+3), antimony (Sb+3), nickel (Ni+3), bismuth (Bi+3), manganese (Mn+3) zirconium, silicon, and combinations of thereof. The two or more cations can be monovalent cations. The two or more cations can be sodium and potassium or potassium and lithium.