Abstract: Compounds of formula (I) are photoinitiators or photosensitizers in a photopolymerizable composition: R1 represents a monovalent, linear, branched or cyclic, aliphatic hydrocarbon group having 1 to 20 carbon atoms, optionally substituted with substituent(s) selected from —Cl, —Br, —OH, ?O, —NH—CO—OR2, —NH—CO—R2 or free-radically or ionically polymerizable groups. Each R2 is independently —H or C1-6 alkyl; n is ?1. If n=1, Z and Y are absent and X represents —OR3; if n is >1, Z represents —OR4—, Y represents —OR5— and X represents —H or —OH. R3 represents —H or R1; and R4 and R5 each independently represent a bivalent hydrocarbon group. The polymerizable moieties as optional substituents of R1 are polymerizable double or triple bonds, lactam, lactone and epoxide moieties, which are subjectable to ring-opening polymerization; and two of R1 to R5 may be linked to one another to form a ring or a dimer.

Abstract: A protected substrate includes a planar substrate having a surface and a burn-off temporary protective layer positioned over at least a portion of the surface. The burn-off temporary protective layer includes a wax, a polyolefin, a polyester, a polycarbonate, a polyether, or some combination thereof. The burn-off temporary protective layer is removable by a heat treatment process that does not substantially damage the surface. Various other protected substrates and methods for protecting a substrate are also disclosed.

Abstract: The present invention is directed to a UV-curable composition capable of producing a 3D-printed support sub-structure for photopolymer jetting, and to a 3D-printing processes using said support material composition, and to a 3D-printed articles obtainable with said 3D-printing processes. The composition comprises a N-acryloyl glycinamide type monomer, anoptional hydrophilic co-monomer, a hydrophilic dispersion medium or water, a photoinitiator, and an optional functional additive or combination thereof, at specific contents.

Abstract: A compound has at least three functionalities, including a first functionality (a) that is a sulfonate group or a sulfate group of the formula —(O)d—SO3M with d=0 or 1 and with M=hydrogen or a monovalent metal cation or a corresponding portion of a multivalent metal cation; a second functionality (b) that is a (meth)acryl residue; and a third functionality (c) that is a carboxylic acid function and/or a thioether group. When the compound is free of silicon, the sulfonate or sulfate group and the (meth)acryl residue are separated from each other by a hydrocarbon-containing residue having a carbon chain. The carbon chain is interrupted by S or NH, or the carbon chain contains a linking group, selected from C(O)NH, NHC(O), NR8C(O), NHC(O)O, NR8C(O)O, NHC(O)NH, C(O)NHC(O) and —C(O)S—, wherein R8 is alkyl or alkenyl or a (meth)acryl group.

Abstract: Curable adhesive compositions are provided that exhibit a high refractive index.

Abstract: A durable ambient light curable waterproof liquid rubber coating with volatile organic compound (VOC) content of less than 450 grams per liter made from ethylene propylene diene terpolymer (EPDM) in a solvent, a photoinitiator, an additive, pigments, and fillers, and a co-agent and a method for making the formulation, wherein the formulation is devoid of thermally activated accelerators.

Abstract: The invention provides meltable and UV-crosslinkable pressure-sensitive adhesives, such as acrylate hotmelts or hotmelt formulations, which can be processed by commonplace hotmelt processes and also on customary hotmelt coating lines, without any immediate alteration in the product properties in the event of (unwanted) deviation in the operational parameters. The compositions of the invention are UV-crosslinkable and meltable pressure-sensitive adhesives comprising (i) mixtures of UV-crosslinkable polyacrylate polymers selected from a) mixtures of UV-crosslinkable polymers with at least one photoinitiator bonded covalently to the backbone of the polymers, and b) mixtures of UV-crosslinkable polyacrylate polymers, monomers and at least one photoinitiator, and also (ii) at least one UV stabilizer, and also methods for producing them and the use thereof as bonding agents.

Abstract: The present invention relates to compositions comprising poly-oxycarbosilane and methods for using the compositions in step and flash imprint lithography. The imprinting compositions comprise a poly-oxycarbosilane polymer, a silanol, a reaction initiator and optionally a pore generator.

Abstract: A dental restorative composite and a method of curing the composite are disclosed in which the composite includes a polymerizable organic resin, a radiation activated initiator having an activation wavelength, an inert filler; and luminescent crystals, wherein the luminescent crystals emit radiation at a predetermined wavelength matching the initiator activation wavelength when the luminescent crystals are irradiated with radiation having a wavelength longer than the activation wavelength, the luminescent crystals being up-converting particles that result in those particles emitting radiation at a wavelength that initiates curing.

Abstract: The present invention provides switchable adhesives comprising a mixture, in proportions by weight, of 20% to 98% of an adhesive, 2% to 80% of curable molecules and 0.05% to 10% of photoinitiator in which the weight proportion of the adhesive is calculated on the basis of its dry weight and wherein the adhesive includes an internal cross-linker for cross-linking the adhesive during drying to provide a cohesive strength of between 5 and 100 N/12.7×12.7 mm measured according to FINAT test method No. 18. Preferably, the adhesive and curable molecules are mutually soluble when dry, or the curable molecules and adhesive may be uniformly dispersed in each other. Preferably the amount of adhesive in the mixture is in the range 40% to 98% by weight, more preferably 60% to 95% by weight, even more preferably 70% to 85% by weight. Preferably the proportion of curable molecules in the mixture ranges from 2% to 60% by weight, more preferably 5% to 40% by weight, even more preferably 15% to 30 by weight.

Abstract: The present invention provides organometallic latent catalyst compounds, which are suitable as catalysts in polyaddition or polycondensation reactions which are catalysed by a Lewis acid type catalyst, in particular for the crosslinking of a blocked or unblocked isocyanate or isothiocyanate component with a polyol or polythiolto form a polyurethane (PU).

Abstract: Curable solid ink compositions, comprising a curable wax having a melting point under 40° C. as part of the ink vehicle, which are suitable for ink jet printing in applications that require high and/or variable levels of gloss. In particular, there is provided a novel high gloss, ultraviolet (UV) curable, phase change ink composition comprising a colorant and an ink vehicle comprising a gellant, a reactive diluent, a photoinitiator package, and a curable acrylate wax.

Abstract: The invention relates to pellets of ?-olefin-vinyl acetate copolymers with a vinyl acetate content of ?40% by weight, based on the total weight of the ?-olefin-vinyl acetate copolymer, as an embedding material for solar modules, wherein the pellets comprise, as additives, at least one UV activator and at least one silane coupling reagent, and to the use thereof for the production of films for solar modules.

Abstract: Disclosed is a sealant composition for a liquid crystal display device, the sealant composition including a (meta) acrylate compound as expressed in Chemical Formula 1 below

Abstract: A UV-curing primer contains barium sulfate, methods for manufacturing same, methods for coating substrates therewith and the coated substrates.

Abstract: The invention relates to a concentrated aqueous polymer dispersion with an average particle size of less than 1000 nm comprising a) a polymer carrier prepared by heterophase radical polymerization of at least one ethylenically unsaturated monomer in the presence of b) a photoinitiator and/or photolatent catalyst and c) optionally a non-ionic, cationic or anionic surfactant, wherein the weight ratio of the photoinitiator and/or photolatent catalyst to the polymer carrier is greater than 20 parts of photoinitiator and/or photolatent catalyst per 100 parts of polymer carrier, preferably equal or greater than 35 parts of photoinitiator and/or photolatent catalyst per 100 parts of polymer carrier.

Abstract: A photo-crosslinkable polyolefin composition comprises a polyolefin, a source of functionality receptive to crosslinking by UV radiation, a cationic photoinitiator and optionally includes a free-radical photoinitiator, a crosslinking accelerator or sensitizer, and other additives such as compatibilizers, inorganic fillers, nanofillers, glass, polymeric and ceramic microspheres, glass fibres, flame retardants, antioxidants, stabilizers, processing aids, foaming agents and pigments. A method for manufacturing a UV-crosslinked polyolefin article comprises forming an article by extruding, moulding or otherwise forming the UV-crosslinkable polyolefin composition and subjecting the article to UV radiation on-line with the extrusion, moulding or other forming operation.

Abstract: An ink for an ink jet printer includes an ink vehicle of at least one radically curable, multifunctional acrylate monomer or oligomer, at least one colorant, and at least one photoinitiator. The ink has a low viscosity at low jetting temperatures of 30 to 50° C. and is curable upon exposure to ultraviolet radiation.

Abstract: A photoinitiator compound is functionalized with alkoxy groups so as to be soluble in alkoxy-containing monomers. The photoinitiator has a formula of R1—(OR2)n—OC(?O)—R3, wherein R1—(OR2)n— represents an alkoxy group and R3 represents a photoinitiator structure. The photoinitiator may be used in a composition for incorporation into inks.

Abstract: Superabsorbent polymer particles having improved surface cross-linking and their use in absorbent articles. The superabsorbent polymer particles comprise a water-absorbing resin and the reaction product of a radiation activatable surface cross-linker. The reaction product of the radiation activatable surface cross-linker is present at the surface of the superabsorbent polymer particle. The radiation activatable surface cross-linker includes at least two radiation activatable groups R, which are covalently bound to each other or to at least one spacer group S.

Abstract: The present invention provides a polymerizable composition, which comprises: (a) at least one monomer of formula (I): (b) a photo-initiator, wherein X1, X2, Y1, Y2, Y3, Y4, a, and b are as defined in the specification and the amount of the monomer of formula (I) is at least 1 wt %, based on the total weight of the polymerizable composition. The present invention also provides an optical film comprising a coating layer formed from the above polymerizable composition. The optical film can be used in backlight modules of displays as a brightness enhancement film.

Abstract: The present invention involves the design of a radiation curable organic pre polymer resin material based on urethane acrylic linkage synthesized from the natural renewable resource cardanol or a derivative thereof, for coating application. These new molecules have a faster and better curing rate compared to the starting renewable resource—cardanol. This is brought about by the hydrogen bonding of the urethane linkage which leads to a pre organization of the molecules in such a way as to bring the cross linkable double bonds closer to each other. The present invention also involves a UV curable formulation of the above mentioned resins along with 2-10 parts by weight of a photopolymerization initiator. The resin, either in a formulation or alone turns into a cross linked film upon photopolymerization in presence of photoinitiator under a UV curable radiation source like a mercury vapor pressure lamp.

Abstract: A substantially colorless radiation overcoat composition suitable for overcoating ink-based images and xerographic-based images. The overcoat composition comprises at least one gellant, at least one monomer, at least one substantially non-yellowing photoinitiator, optionally a curable wax, and optionally a surfactant.

Abstract: The invention pertains to a photosensitive resin composition, comprising: (A) an alkaline soluble resin; (B) a multi-functional monomer; (C) a photoinitiator; (D) a colorant; and (E) a solvent, wherein said alkaline soluble resin comprises a copolymer obtained from the copolymerization of 5-95 wt % of the monomer of formula (1): and 5-95 wt % of an ethylenically unsaturated monomer containing at least one carboxy group. The inventive photosensitive resin composition possesses good heat resistance, development properties, and adhesion properties and can be used in liquid crystal displays as a photosensitive material for the manufacture of color filters.

Abstract: Compounds of formula I Y is, for example, C3-C12alkylene, butenylene, butynylene, or C4-C12alkylene interrupted one or more times by non-consecutive —O— or —NR2—; R1 is a reactive group selected from OH, SH, NR3R4, —(CO)—OH, —(CO)—NH2, SO3H, —C(R5)?CR6R7, oxiranyl, —O—(CO)—NH—R8—NCO and —O—(CO)—R9—(CO)—X; R2 is hydrogen, C1-C4alkyl or C2-C4hydroxyalkyl; R3 and R4 are each independently of the other hydrogen, C1-C4alkyl or C2-C4hydroxyalkyl; R5, R6 and R7 are each independently of the others hydrogen or methyl; R8 is, for example, linear or branched C4-C12alkylene, or phenylene; R9 is, for example, linear or branched C1-C16alkylene, —CH?CH—, —CH?CH—CH2—, C6-cycloalkylene, phenylene or naphthylene; and X, X1 and X2 are each independently of the others OH, Cl, OCH3 or OC2H5; are suitable as photoinitiators that can be incorporated in a formulation to be cured.

Abstract: Coating compositions yielding cured coatings that exhibit excellent abrasion-resistance and hardness for use on polymeric substrates such as the front side of optical lenses, in a manner that meets or exceeds the stringent requirements for such use. The compositions include the hydrolysis product of an epoxy functional alkoxy silane, a viscosity-reducing amount up to 50% by weight, solids basis, of a monomeric (silanol free) epoxy functional epoxy silane, and colloidal silica present in an amount sufficient to improve abrasion resistance as compared to a composition lacking the colloidal silica.

Abstract: Free standing quantum do (FSQDT) polymer composites and a method and apparatus for patterning the FSQDT polymer composites is provided. The method for patterning the FSQDT polymer composites includes creating a solution including FSQDTs where each of the FSQDTs has a plurality of reactive ligands chemically attached thereto. The method further includes providing a substrate, forming a coated substrate by coating a surface of the substrate with a layer of the solution, and providing a photo mask having a predetermined pattern thereon transparent to a predetermined radiation over the coated substrate. Finally, the method includes exposing a portion of the coated substrate to the predetermined radiation passing through the mask to pattern a polymer matrix in the predetermined pattern while adhering the FSQDTs to the polymer matrix to form the FSQDT polymer composite.

Abstract: Superabsorbent polymer particles with improved surface cross-linking for use in absorbent articles and a process for making the superabsorbent polymer particles. The superabsorbent polymer particles include a water-absorbing resin and the reaction product of a radiation activatable surface cross-linker. The reaction product of the radiation activatable surface cross-linker is present at surfaces of the superabsorbent polymer particles. The radiation activatable surface cross-linker includes at least two radiation activatable groups R, which are covalently bound to each other or to at least one spacer group S.

Abstract: The present invention relates to vinyl ether or acrylate terminated block resins, compositions incorporating same and methods for preparing same. In particular, the compositions of the present invention may contain a vinyl ether or acrylate terminated block resin, such as a polyurethane block copolymer, a reactive diluent having vinyl ether or 1-alkenyl ether and (meth)acrylate functionality and a curing initiator. The compositions may be exposed to an energy source, e.g., photoradiation, to impart tack-free surface cure.

Abstract: Inks are disclosed which are used in ink-jet printing. The inks are cured by ultraviolet radiation, preferably free radical initiation. The inks contain a (meth)acrylate monomer, an ?,?-unsaturated ether monomer and a photoinitiator. The inks exhibit a low viscosity and give tough printed images after curing.

Abstract: The invention pertains to a photosensitive resin composition, comprising: (A) an alkaline soluble resin; (B) a multi-functional monomer; (C) a photoinitiator; (D) a colorant; and (E) a solvent, wherein said alkaline soluble resin comprises a copolymer obtained from the copolymerization of 5-95 wt % of the monomer of formula (1): and 5-95 wt % of an ethylenically unsaturated monomer containing at least one carboxy group. The inventive photosensitive resin composition possesses good heat resistance, development properties, and adhesion properties and can be used in liquid crystal displays as a photosensitive material for the manufacture of color filters.

Abstract: A process for producing intraocular lenses (IOLs) capable of absorbing blue light and ultraviolet light using photo curing. Intraocular lenses so produced block blue light and ultraviolet light from reaching the retina of an eye implanted with the IOL. By blocking blue light and ultraviolet light from reaching the retina, the IOL thereby prevents potential damage to the retina.

Abstract: A photopolymerizing composition and a photopolymerizing recording medium manufactured using the composition, wherein the photopolymerizing composition contains: 1.0-99.0% by weight of at least one kind of polymerizable compound; 0.05-0.5% by weight of at least one kind of photosensitizer selected from among photochromic compounds that change color by incoherent UV light irradiation; 0.2-6.0% by weight of a coinitiator that is activated by visible light in the presence of a photoinduced form of the photochromic compound transformed by incoherent UV light to photopolymerize the polymerizable compound; 0-97.5% by weight of a polymer binding agent; 0-6.0% by weight of a plasticizer; and 0-3.0% by weight of a non-polymerizing solvent. The photopolymerizing recording medium has a high angular diffraction selectivity and thus can be effectively used to manufacture a 3D holographic optical memory with ultra high information storage capacity.

Abstract: A method for producing polymers with controlled molecular weight and desired end functionalities and the resulting polymers. The method comprises a) forming a microemulsion comprising monomer, water, and an effective amount of an effective surfactant, b) adding to the microemulsion an amount of a water-soluble photo-initiator system wherein the initiator system produces one type of monomer-soluble radical active centers and wherein the radical active centers contain desired end group functionalities for a polymer or oligomer, and c) illuminating the microemulsion to photoinitiate polymerization of the monomer wherein the illuminating is according to a temporal and spatial illumination scheme, and wherein the amount of the initiator system and the temporal illumination scheme are chosen to produce a desired molecular weight of the polymer or oligomer. The microemulsion can further comprise an effective amount of an effective co-surfactant. The method can be used to produce polymers and copolymers.

Abstract: Compounds of the formula I are suitable photoinitiators which accumulates at the surface of the formulation in which R is for example phenyl and A is a surface-active radical of the formula III Y is a divalent group C3–C12cycloalkylene, C6–C12bicycloalkylene; C1–C6alkylenen-C3–C12cycloalkylene, C1–C6alkylene- C6–C12bicycloalkylene or C1–C10alkylene interrupted by one or more non-consecutive C3–C12cycloalkylene, —U—C3–C12cycloalkylene, C6–C12bicycloalkylene or —U—C6–C12bicycloalkylene; C1–C10alkylene interrupted by one or more non-consecutive O and C3–C12cycloalkylene, —U—C3–C12cycloalkylene, C6–C12bicycloalkylene and/or —U—C6–C12bicycloalkylene; U is U? or U? U? is —(CH2)aCOO—; U? is —Si(CH3)(CH3)— or —(CH2)a—Si(CH3)(CH3)—, a is a number from 1 to 10; b is a number from 0 to 10; with the proviso that they are, however, at least 1 if the methylene group in question is between two oxygen atoms.

Abstract: A composition including nanoparticles each having an acidic polymerizable siloxane moiety. For example, a hydrolysis stable, self-etching, self-priming dental adhesive composition including 90 to 10 percent by weight of an aqueous phase, and 10 to 90 percent by weight of acidic polymerizable nanoparticles. The acidic polymerizable nanoparticles are obtainable by hydrolysis of a mixture containing one or more hydrolyzable organosilicon compounds wherein (i) at least a portion of the hydrolyzable organosilicon compounds contains one or more polymerizable groups and (ii) at least a portion of the hydrolyzable organosilicon compounds contain one or more acidic moieties.

Abstract: Compounds of formula Ia, Ib and Ic, (Ic), in which R, R1 and R2 are e.g. phenyl, naphthyl, anthracyl, phenanthryl or a heterocyclic radical, are suitable as photoinitiators which accumulate at the surface of coatings.

Abstract: The disclosure relates to the provision of a lens having front and back optical surfaces bound by a peripheral edge, wherein the peripheral edge is coated with an edge coating that strongly bonds to the edge but that only weakly bonds to the optical surface, and wherein the edge coating is durable. A method of coating and a composition are also disclosed. The composition is preferably selected from a limited group of UV curable acrylates.

Abstract: The use of phenylglyoxalic esters of the formula I in which the two radicals R1 and A are as defined in the description as photoinitiators in powder coating materials for exterior applications. The compounds of the formula I show little propensity toward yellowing.

Abstract: A UV-curable acrylate-thiol-ene insulating coating composition for electrical conductors, a method of manufacturing a UV-curable acrylate-thiol-ene insulating coating composition for electrical conductors. The insulating coating being of about 2.5 &mgr;m to about 500 &mgr;m thickness, which cured coating has a dielectric dissipation factor (60 Hz, 24° C.) of lower than about 0.05.

Abstract: The present invention provides a water soluble polymer which is prepared by the following steps. First, a carboxyl group-containing polymer is reacted with an alkaline reagent so that a portion of the carboxyl groups are reacted in an amount sufficient to make the polymer water soluble. Then, the polymer obtained is reacted with an epoxide containing unsaturated bonds and/or heteroatoms so that 1 to 100 mole percent of the remaining carboxyl groups of the polymer are reacted with the epoxide to form ester groups via a ring-opening reaction of epoxides, wherein the heteroatom can be silicon, nitrogen, phosphorus or sulfur. The water soluble polymer of the present invention can be used as a photosensitive resin. When the photoresist composition is used for preparing printed ciruit boards, it exhibits high photosensitivity, good water dispersability, storage stability, and good adhesion to copper. In addition, the problem of sticking to the mask can be prevented.

Abstract: An energy-curable polymer-forming composition for making a pressure sensitive adhesive includes an unsaturated oligomer resin and an adhesive promoter which increases the peel strength of the adhesive without reducing its tack. The composition also includes a tackifier and various other optional components such as photoinitiator, chain extender, reactive diluent and the like.

Abstract: A photocurable prepreg composition which is characterized by easy control of a B stage state of a thermosetting resin such as an unsaturated polyester resin or an epoxy acrylate resin, excellent storage stability, and remarkable curability after being shaped; as well as a production method therefor. A photocurable prepreg composition which contains an unsaturated polyester resin and/or an epoxy acrylate resin; at least two photopolymerization initiators with photosensitivity in different wavelength ranges; and an inorganic or an organic fiber-reinforcing material and/or filler, and which composition is treated with light of a specific wavelength such that at least one photopolymerization initiator and radical-polymerizable unsaturated groups remain partially in said resin; a production method therefor; and formed articles produced therefrom.

Abstract: A photoinitiator composition that includes (a) 1-aryl-2-alkyl-1,2-ethanedione and (b) a rigid 1,2-dione in a weight ratio of (a):(b) in a range of about 1:20 to about 20:1 is disclosed. The photoinitiator composition can be used in a photocurable dental composition in an amount sufficient to achieve a degree of double-bond conversion of at least 50%. Methods for making the photocurable dental composition are also disclosed.

Abstract: Novel substituted diaryl ketones, photopolymerization compositions including the compounds, and methods using the same are disclosed. Polymerization of compositions which include the compounds of the invention may be activated by irradiating the composition with ultraviolet light using conventional techniques and radiation sources to give greatly improved cure speeds. The compounds of the invention also show a significantly elevated level of reactivity at a narrow wavelength band, with a peak emission wavelength at or near 308 nm. Because of the increased level of activity, the photoinitiator can be used in considerably lower amounts.

Abstract: Compounds of the formula I ##STR1## in which R.sub.1 and R.sub.2 independently of one another are, for example, a group of the formula II ##STR2## R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 independently of one another are, for example, hydrogen, C.sub.1 -C.sub.12 alkyl, OR.sub.8, SR.sub.9, NR.sub.10 R.sub.11, halogen or phenyl; R.sub.8, R.sub.9, R.sub.10, R.sub.11 independently of one another are, for example, hydrogen or C.sub.1 -C.sub.12 alkyl; R.sub.12 is, for example, C.sub.1 -C.sub.8 alkyl; R.sub.13 is, for example, C.sub.1 -C.sub.12 alkyl; R.sub.14 is, for example, hydrogen; Y is C.sub.1 -C.sub.12 alkylene, C.sub.4 -C.sub.8 alkenylene, C.sub.4 -C.sub.8 alkynylene or cyclohexylene, or is phenylene or C.sub.4 -C.sub.40 alkylene interrupted one or more times by --O--, --S-- or --NR.sub.15 --, or Y is a group of the formula III, IV, V, VI, VII, VIII, IX, X or XI ##STR3## Y.sub.1 is as defined for Y with the exception of the formula V; R.sub.15 is hydrogen, C.sub.1 -C.sub.12 alkyl or phenyl; and R.sub.

Abstract: A photocurable and thermosetting resin composition developable with an aqueous alkali solution is disclosed. The composition comprises in combination: (A) a photosensitive prepolymer soluble in a dilute aqueous alkali solution obtained by esterifying an epoxy resin represented by the following general formula (1) with (meth)acrylic acid and further adding an acid anhydride thereto until an acid value reaches a level in the range of 60 to 120 mg KOH/g, (B) a diglycidyl ether type epoxy compound containing two epoxy groups in the molecular unit thereof, (C) a photopolymerization initiator, and (D) a diluent at such ratios of combination that said epoxy compound (B) accounts for a proportion in the range of 5 to 120 parts by weight and said photopolymerization initiator (C) for a proportion in the range of 0.1 to 30 parts by weight, based on 100 parts by weight of said photosensitive prepolymer (A): ##STR1## wherein X represents CH.sub.2, C(CH.sub.3).sub.2, or SO.sub.

Abstract: The present invention relates to an aqueous-based coating composition for forming strippable, protective coating for protecting surfaces, such as glass, metal, ceramic, plastic or other materials of construction. More specifically, the compositions and coatings formed therefrom of this invention are particularly useful in connection with protecting precision surfaces, such as optical lenses, including but not limited to ophthalmic lenses, telescopic lenses, microscopic lenses, and the like, which protection is desirably only of a temporary nature.

Abstract: Methods for preparing viscoelastic compositions (e.g., adhesives such as hot melt adhesives) in which a pre-viscoelastic composition (e.g., a pre-adhesive composition) is combined with a packaging material and then polymerized.

Abstract: Adhesive coatings designed primarily for protecting, restoring, repairing, or modifying surfaces of, objects made of polymeric materials. Such coatings are particularly useful in application over worn, cracked, discolored, or otherwise defective objects made of polyacrylic, polystyrene, and polycarbonate resins. The adhesives of this invention are basically comprised of blends containing a substantial concentration of tetrahydrofurfuryl methacrylate and/or furfuryl methacrylate.