Water-soluble electrically insulative composition, modifications, and applications thereof
View Patent ↗The invention is an electrically insulative aqueous polymer composition. The composition includes a thermoplastic acrylic-styrene copolymer emulsion, a wetting agent, water, a surfactant, and a ductility agent. The invention also includes methods of using the electrically insulative composition, as well as methods of using a related electrically conductive aqueous polymeric vehicular emulsion composition.
1. An aqueous polymeric emulsion composition, comprising:
a. approximately 50 to 91% of total compositional weight of a water-soluble acrylic polymer copolymerized with another polymer selected from the group consisting of styrene polymers, acrylate polymers, polyacrylate polymers, (meth)acrylate polymers, poly(meth)acrylate polymers, hydroxyl polymers; esters and acids of acrylic polymers, styrene polymers, acrylate polymers, polyacrylate polymers, (meth)acrylate polymers, poly(meth)acrylate polymers, hydroxyl polymers and further polymerizations thereof;
b. an effective amount of a water-soluble wetting agent;
c. a water-soluble ductility agent;
d. a solvency effective amount of water;
e. wherein said composition is electrically insulative.
2. The aqueous polymeric emulsion composition of claim 1 , wherein said water-soluble wetting agent comprises approximately 1 to 33% of total compositional weight, and is selected from the group consisting of methyl diglycol, butyl diglycol ether, propylene glycol methyl ether, dipropylene glycol methyl ether, ethylene glycol n-butyl ether and diethylene glycol n-butyl ether.
3. The aqueous polymeric emulsion composition of claim 1 , wherein said water-soluble ductility agent comprises approximately 0.1 to 8% of total compositional weight, and is selected from the group consisting of dibutyl phthalate and butyl phthalate.
4. The aqueous polymeric emulsion composition of claim 1 , wherein said composition is augmented with a water-soluble surfactant, which comprises approximately 0.1 to 7% of total compositional weight, and is selected from the group consisting of acrylate polymers, ethyl polymers, cross-linked acrylate-ethyl polymers, cross-linked acrylate-ethylhexyl polymers, hydroxy propyl methyl cellulose and hydroxy ethyl methyl cellulose.
5. The aqueous polymeric emulsion composition of claim 1 , wherein said composition is augmented with a fluoro-polymer, such as polytetrafluoroethylene and perfluorosulfonic acid ionomer, comprising approximately 0.1 to 19% of total compositional weight.
6. The aqueous polymeric emulsion composition of claim 1 , wherein said solvent amount of water is manipulated by percentage of total weight of said composition in order to vary the material viscosity properties and/or curing properties of said composition.
7. The aqueous emulsion composition of claim 1 , utilized to protect conductive substrates from corrosion.
8. The aqueous emulsion composition of claim 1 , utilized to protect insulative substrates from corrosion.
9. The aqueous polymeric emulsion composition of claim 1 , utilized to produce, operate and maintain electrically insulated electrical circuitry, electrical circuit boards or other physical means for transmitting electricity.
10. The aqueous polymeric emulsion composition of claim 1 , utilized to produce, operate and maintain electrical circuitry embodied within multiple collocated layers separated and insulated from each other by said composition, such that electrical contact between circuit layers occurs only where desired.
11. The aqueous polymeric emulsion composition of claim 1 , utilized as a sealant.
12. The aqueous polymeric emulsion composition of claim 1 , utilized as an electrically insulative sealant specifically to produce, operate and maintain electrochemical fuel cells or electrolysis cells.
13. The aqueous polymeric emulsion composition of claim 1 , utilized as an electrically insulative adhesive for mounting and fastening electronic components.