摘要:
Embodiments in accordance with the present invention relate generally to a variety of norbornene derivatives exhibiting olfactive properties and are suitable as fine fragrance ingredients. More specifically, this invention relates to various fragrance compositions containing one or more of a compound of formulae (IA) to (IC): Wherein m, n, R1, R2, R3, R4, R5 and R6 are as defined herein. The compounds of formulae (IA) to (IC) are useful as perfumes, colognes, and in perfume augmenting, modifying, enhancing, and imparting compositions. The compositions of this invention are therefore useful in a variety of products including perfumes, colognes, soaps, detergents, candles, air fresheners, trash bags, tissues, deodorants, lotions, skin care products, hair products, sanitary products, cleaning products, and the like.
摘要:
Embodiments in accordance with the present invention are directed to a method of fabricating a semiconductor device wherein a device wafer substrate is coated with a composition encompassing a surface energy modifier and a thermally stable polymer which is then bonded to a carrier wafer substrate coated with a composition encompassing a crosslinkable polymer composition. The polymer composition allows thinning of a device wafer before separating from the carrier wafer at room temperature.
摘要:
Disclosed herein are various amine treated maleic anhydride containing polymers and compositions thereof, which are useful for forming self-imageable films. In some embodiments, such polymers encompass norbornene-type repeating units and maleic anhydride-type repeating units where at least some of such maleic anhydride-type repeating units are either ring-opened or have been transformed into maleimide repeat units. The films formed from such copolymer compositions provide self imageable, low-k, thermally stable layers for use in microelectronic and optoelectronic devices.
摘要:
Embodiments in accordance with the present invention encompass copolymers and terpolymers of a variety of polycycloolefinic monomers at least one of which monomer contains an additional unpolymerized ethylenic bond. In further aspect of this invention there is provided an embodiment encompassing compositions containing the polymers of this invention, a crosslinker, a free radical initiator, a tackifier and one or more suitable additives. The compositions of this invention can be formed into a variety of three-dimensional insulating articles upon exposure to suitable high temperature, such as for example films. The objects formed from the compositions of this invention exhibit hitherto unattainable low dielectric constant and low-loss properties, and very high thermal properties. The compositions of this invention may additionally contain one or more organic or inorganic filler materials, which provide improved thermo-mechanical properties in addition to very low dielectric properties. The compositions of this invention are useful in various applications, including as insulating materials in millimeter wave radar antennas, among others.
摘要:
Embodiments in accordance with the present invention encompass compositions comprising a organopalladium compound, a photoacid generator, a photosensitizer and one or more olefinic monomers which undergo vinyl addition polymerization when said composition is exposed to a suitable actinic radiation to form a substantially transparent film. The monomers employed therein have a range of optical and mechanical properties, and thus these compositions can be tailored to form films having various opto-electronic properties. Accordingly, compositions of this invention are useful in various applications, including as coatings, encapsulants, fillers, leveling agents, among others.
摘要:
Embodiments in accordance with the present invention relate generally to a variety of norbornene derivatives exhibiting olfactive properties and are suitable as fragrance ingredients. More specifically, this invention relates to various fragrance compositions containing one or more of a compound of formula (I): Wherein R1, R2, R3 and R4 are as defined herein. The compounds of formula (I) are useful as perfumes, colognes, and in perfume augmenting, modifying, enhancing, and imparting compositions. The compositions of this invention are therefore useful in a variety of products including perfumes, colognes, soaps, detergents, candles, air fresheners, trash bags, tissues, deodorants, lotions, skin care products, hair products, sanitary products, cleaning products, and the like.
摘要:
Embodiments in accordance with the present invention encompass self-imagable polymer compositions containing a variety of photobase generators which are useful for forming films that can be patterned to create structures for microelectronic devices, microelectronic packaging, microelectromechanical systems, optoelectronic devices and displays. The compositions of this invention can be tailored to form positive tone or negative tone images depending upon the intended application in aqueous developable medium. The images formed therefrom exhibit improved properties including low wafer stress and better thermo-mechanical properties, among other property enhancements.
摘要:
Embodiments in accordance with the present invention encompass compositions encompassing components A and B which are kept separately and respectively contain a procatalyst and an activator along with one or more monomers which undergo vinyl addition polymerization when both components are mixed together to form a substantially transparent film. The monomers employed therein have a range of refractive index from 1.4 to 1.8 and thus these compositions can be tailored to form transparent films of varied refractive indices. Accordingly, compositions of this invention are useful in various opto-electronic applications, including as coatings, encapsulants, fillers, leveling agents, among others.
摘要:
Various compositions encompassing polymers containing acidic pendent groups in combination with one or more reactive olefinic compounds and a photoacid generators form self-imageable negative tone films. Examples of such polymers include polymers and copolymers containing norbornene-type repeating units having acidic pendent groups, ring opened maleic anhydride polymers, polyacrylic acid, polyhydroxystyrene polymers, and the like. The films formed from such compositions provide self imageable, low-k, thermally stable layers for use in microelectronic and optoelectronic devices, among other applications.
摘要:
Embodiments in accordance with the present invention encompass a two component composition containing in one component a latent organo-ruthenium carbide catalyst, and in another component a photoactive acid generator or a thermally active acid generator, and either of the components containing a mixture of photoactive compound along with one or more monomers which undergo ring open metathesis polymerization (ROMP) when said components are mixed together and exposed to a suitable radiation (or heat) to form a three-dimensional (3D) object. The three-dimensional objects so formed exhibits improved mechanical properties, particularly, high heat distortion temperature, impact strength, elongation to break, among others. Accordingly, compositions of this invention are useful as 3D inkjet materials for forming high impact strength objects of various sizes with microscale features lower than 100 microns, among various other uses.