PROMERUS, LLC

Embodiments in accordance with the present invention encompass photosensitive compositions containing a variety of soluble polyimide polymers and various additives including photoacid generator, photo radical generator and one or more photo crosslinking agents which are useful for forming films that can be patterned to create structures for microelectronic devices, microelectronic packaging, microelectromechanical systems, optoelectronic devices and displays. In some embodiments the compositions of this invention are shown to feature excellent hitherto unachievable mechanical properties. The negative images formed therefrom can be readily cured at lower temperatures than the conventional polyimides and exhibit improved thermo-mechanical properties, among other property enhancements.

Embodiments in accordance with the present invention encompass polyamic acid or polyimide polymers containing a reactive unsaturated cyclic anhydride end group as well as photosensitive compositions made therefrom which are useful for forming films that can be patterned to create structures for microelectronic devices, microelectronic packaging, microelectromechanical systems, optoelectronic devices and displays. In some embodiments the compositions of this invention are shown to feature excellent hitherto unachievable mechanical properties. The negative images formed therefrom exhibit improved thermo-mechanical properties, among other property enhancements.

Embodiments encompassing a series of polymers containing cyano substituted norbornene monomers and maleic anhydride and/or maleimide monomers are disclosed. The polymers exhibit unusual oil resistant properties and compositions derived therefrom are photopatternable, thus having utility in a variety of optoelectronic material applications, among various other uses. More specifically, embodiments encompassing compositions containing a variety of co- and ter-polymers of cyano substituted norbornene monomers, maleic anhydride and maleimide monomers, a photoactive compound and a suitable epoxy crosslinking agents are disclosed. The compositions exhibit excellent photopatternability, high transparency, high heat resistance and most importantly oil resistant properties, thus finding applications in fabricating a variety of automotive parts.

Embodiments in accordance with the present invention encompass compositions comprising a heteroaryl compound ligated palladium compound, a photoacid generator, a photosensitizer and one or more olefinic monomers which undergo vinyl addition polymerization only when said composition is exposed to a suitable actinic radiation to form a substantially transparent film. The composition of this invention exhibit unusual shelf-life stability and are photolytically active even in the presence of air. The monomers employed therein have a range of optical and mechanical properties, and thus these compositions can be tailored to form films, including thin films, having various opto-electronic properties even under atmospheric conditions without the need of inert atmosphere. Accordingly, compositions of this invention are useful in various applications, including as coatings, encapsulants, fillers, leveling agents, among others.

The present invention relates to photosensitive compositions containing PFAS-free polynorbornene (PNB) copolymers and terpolymers in combination with certain additives that are useful for forming microelectronic and/or optoelectronic devices and assemblies thereof, and more specifically to compositions encompassing PFAS-free PNBs and certain multifunctional crosslinking agents, and two or more phenolic compounds which are resistant to thermo-oxidative chain degradation and exhibit improved mechanical properties.

The present invention relates to photosensitive compositions containing PFAS-free polynorbornene (PNB) terpolymers and certain additives that are useful for forming microelectronic and/or optoelectronic devices and assemblies thereof, and more specifically to compositions encompassing PFAS-free PNBs and certain multifunctional crosslinking agents, and two or more phenolic compounds which are resistant to thermo-oxidative chain degradation and exhibit improved mechanical properties.

Embodiments in accordance with the present invention encompass a variety of polymers derived from polycyclic olefin monomers, such as hydrocarbon functionalized norbornenes. The polymers so formed function as ionomers and are suitable as anion exchange membrane for fabricating a variety of electrochemical devices, among others. More specifically, the ionomeric polymers used herein are derived from a variety of quaternized amino functionalized norbornene monomers and are lightly crosslinked (less than ten mol %). The membranes made therefrom exhibit very high ionic conductivity of up to 198 mS/cm at 80° C. This invention also relates to using an anion conducting solid polymer electrolyte as the ion conducting medium between the two electrodes and the ion conducting medium within the electrodes acting as the ionic conduit between electroactive material and electrolyte. The electrochemical devices made in accordance of this invention are useful as fuel cells, gas separators, and the like.

Embodiments in accordance with the present invention encompass a variety of polymers derived from polycyclic olefin monomers, such as hydrocarbon functionalized norbornenes. The polymers so formed function as ionomers and are suitable as anion exchange membrane for fabricating a variety of electrochemical devices, among others. More specifically, the ionomeric polymers used herein are derived from a variety of quaternized amino functionalized norbornene monomers and are lightly crosslinked (less than ten mol %). The membranes made therefrom exhibit very high ionic conductivity of up to 198 mS/cm at 80° C. This invention also relates to using an anion conducting solid polymer electrolyte as the ion conducting medium between the two electrodes and the ion conducting medium within the electrodes acting as the ionic conduit between electroactive material and electrolyte. The electrochemical devices made in accordance of this invention are useful as fuel cells, gas separators, and the like.

Embodiments in accordance with the present invention encompass compositions containing a polycycloolefinic polymer and at least one diazirine compound as described herein which when subjected to a suitable temperature or actinic radiation undergoes crosslinked network to form a three-dimensional insulating article which exhibits hitherto unattainable low dielectric constant and low-loss properties, and very high thermal properties. The compositions of this invention may additionally contain hydrogenated tackifiers, which provide much improved adhesive properties and are suitable in a number of opto-electronic applications including copper-clad laminates, among others. The compositions of this invention are also useful as insulating materials in millimeter wave radar antennas, among others.

Embodiments in accordance with the present invention encompass a composition comprising a polyamic acid or an end capped polyamic acid and a diazirine, which are useful as photosensitive compositions for forming films that can be patterned to create structures for microelectronic devices, microelectronic packaging, microelectromechanical systems, optoelectronic devices and displays. In some embodiments the compositions of this invention are shown to feature excellent hitherto unachievable mechanical properties. The negative images formed therefrom exhibit improved thermo-mechanical properties, among other property enhancements.