6904results about "Organic non-macromolecular adhesive" patented technology

A transformable pressure sensitive adhesive composition comprised of from about 15 to about 80% by weight of a polymer having a softening point greater than 60° C.; from about 20 to about 85% by weight of a polymerizable resin having a softening point less than 30° C.; a latent initiator in an amount sufficient to cause a reaction between said polymer and said resin; and optionally, a crosslinking agent. The transformable pressure sensitive adhesive has particular applicability in connection with organic light emitting diode display devices, light emitting diode display devices, medical diagnostic testing devices, flexible or rigid LCD display devices, plasma display devices, and electrochromic devices.

A polymerizable composition includes at least one monomer, a photoinitiator capable of initiating polymerization of the monomer when exposed to light, and a phosphor capable of producing light when exposed to radiation (typically X-rays). The material is particularly suitable for bonding components at ambient temperature in situations where the bond joint is not accessible to an external light source. An associated method includes: placing a polymerizable adhesive composition, including a photoinitiator and energy converting material, such as a down-converting phosphor, in contact with at least two components to be bonded to form an assembly; and, irradiating the assembly with radiation at a first wavelength, capable of conversion (down-conversion by the phosphor) to a second wavelength capable of activating the photoinitiator, to prepare items such as inkjet cartridges, wafer-to-wafer assemblies, semiconductors, integrated circuits, and the like.

Building panels with a thin and embossed surface layer and a sub layer between a surface layer and a core.

In one embodiment the invention is a polymerizable composition comprising a) an organoborane amine complex; b) one or more of monomers, oligomers or polymers having olefinic unsaturation which is capable of polymerization by free radical polymerization; c) one or more compounds, oligomers or prepolymers having a siloxane backbone and reactive moieties capable of polymerization; and d) a catalyst for the polymerization of the one or more compounds, oligomers or prepolymers having a siloxane backbone and reactive moieties capable of polymerization. This composition may further comprise a compound which causes the organoborane amine complex to disassociate. In a preferred embodiment, the two part composition further comprises a compound which is reactive with both the b) one or more of monomers, oligomers or polymers having olefinic unsaturation which is capable of polymerization by free radical polymerization; and the c) one or more compounds, oligomers or prepolymers having a siloxane backbone and reactive moieties capable of polymerization. This composition can be polymerized by contacting the two parts of the composition. In another embodiment the invention is an organoborane amine complex comprising an alkyl borane having ligands which are alkyl, cycloalkyl or both and an amino siloxane.

The invention relates to the preparations and uses of cellulose esters with a high degree of substitution of hydroxyl groups (also called high DS_OH cellulose esters) as substrates and/or negative C-plate optical compensation films in LCD applications.

Cationic and hybrid radiation-curable pressure sensitive adhesive compositions for digital versatile discs and other substrates, a method for bonding versatile digital disc layers together with a cationic or hybrid radiation-curable pressure sensitive adhesive, and a digital versatile disc bonded by cationic or hybrid radiation-curable pressure sensitive adhesive.

The present invention provides adhesive and binder compositions comprising a potato peel product characterized on a dry solids basis by at least 30% starch, at least 5% protein and at least 2% fibers.

Curable pressure sensitive adhesive compositions comprising an acrylate copolymer, a mono-acrylate oligomer, a multi-acrylate oligomer having from 2 to 5 acrylate functional groups per molecule, and a photoinitiator, the adhesive exhibiting pressure sensitive adhesive characteristics and forms at least a semi-interpenetrating polymer network when cured; wherein the semi-IPN has an average molecular weight between crosslinks (M_c) greater than about 3000, and the cured adhesive has a peel strength greater than about 40 N/dm. Embodiments of the adhesive compositions, when cured, are optically clear and resistant to heat and moisture.

Method for making lignocellulosic composites by adhering lignocellulosic substrates together. A first variant of the method involves using an adhesive composition that comprises a reaction product of (i) first ingredient selected from a soy protein or lignin and (ii) at least one substantially formaldehyde-free curing agent that includes at least one amine, amide, imine, imide, or nitrogen-containing heterocyclic functional group that can react with at least one functional group of the soy protein. A second variant of the method involves using an adhesive composition that comprises a reaction product of (i) a protein or lignin, (ii) a first compound that includes at least one amine, amide, imine, imide or nitrogen-containing heterocyclic functional group that can react with at least one functional group of the protein and (iii) a curing agent.

A wet-skin adhesive includes a pressure-sensitive adhesive component that includes at least one monoethylenically unsaturated (meth)acrylic acid ester comprising an alkyl group having at least 4 carbons on average and at least one monoethylenically unsaturated reinforcing monomer; and a film-forming component that includes at least one monoethylenically unsaturated (meth)acrylic acid ester comprising an alkyl group having less than 4 carbons on average and at least one hydrophilic acidic monomer, wherein the wet-stick pressure-sensitive adhesive has an initial wet skin adhesion of at least about 0.8 N/dm. Advantageously, the wet-stick adhesive has an initial wet skin adhesion that is at least about 65% of an initial dry skin adhesion.

A composition, comprising (a) microcrystalline cellulose; and (b) a compressibility augmenting agent which (i) physically restricts the proximity of the interface between adjacent cellulose surfaces; or (ii) inhibits interactions between adjacent cellulose surfaces; or (iii) accomplishes both (i) and (ii) above, is disclosed. The composition is in the form of agglomerated particles of microcrystalline cellulose and the compressibility augmenting agent in intimate association with each other.

The invention is based on the discovery that compositions containing certain maleimide compounds and aromatic diene compounds are useful as thermosetting resins for the electronic packaging industry. The invention compositions described herein can be cured in a variety of ways, with or without a catalyst. In some embodiments, the well-known “ene” reaction can be used to cure the compositions described herein, and therefore no catalyst is required.

A curable adhesive composition is disclosed comprising: at least one free radically polymerizable oligomer component; optionally at least one diluent monomer; at least one perfluorinated ether monomer; and a photoinitiator. The curable liquid adhesive is easily removable with low force and low adhesive transfer.

Blends made of bioabsorbable materials including glycolide, lactide, caprolactone, dioxanone, trimethylene carbonate, alkylene glycols, esteramides, etc., and polymers and copolymers thereof with cyanoacrylates are described. Processes for making the polymers and surgical articles made totally or in part from such polymers, including sutures, are also described.

Non-gelatinous capsule film compositions containing as the base a starch hydrolyzate having an average DE of less than 10 and an average molecular weight of not more than 30,000. These non-gelatinous capsule film compositions have stable moisture absorbing/releasing properties and strength to such extent as sufficiently withstanding the production and storage as products and yet achieve excellent disintegration properties in vivo. Also, capsules produced by using the non-gelatinous capsule film compositions as described above are provided.

An oriented graphene/polymer composite system, and a preparation method and an application thereof are provided. The composite system includes an oriented network component at least including graphene and a substrate component compounded with the oriented network component, wherein at least a part of graphene is arranged according to set orientation; the composite system at least has a heat conductivity coefficient in the set direction higher than heat conductivity coefficients in other directions. The preparation method includes the steps: the oriented network component is subjected to orientation treatment, at least a part of graphene is arranged according to the set orientation, and thus an oriented network is formed; and the substrate component at least containing a polymer is taken to be compounded with the oriented network component, and thus the composite system is formed. The composite system has high heat conductivity and high electrical conductive characteristic, can efficiently transfer heat in a needed direction when in use, has the characteristics of being simple, high in efficiency and the like, is suitable for scale production, and has broad application prospects in high-efficiency heat conductivity and heat dissipation.

The invention relates to a UV optical solidifying adhesive agent, in particular a UV photo-curing adhesive for lamination of polarizer sheet protective membrane, which comprises prepolymer, reactive monomer, photo-initiation agent, and auxiliary agent.

A curable composition comprising (A) an organopolysiloxane having functional groups capable of condensation reaction at both molecular terminals thereof and (B-1) a hydrophobic silica and a hydrophilic silica. A curable composition comprising (A) an organopolysiloxane having functional groups capable of condensation reaction at both molecular terminals thereof and (B-2) a hydrophobic silica, wherein the hydrophobic silica (B-2) is thermally treated together with the organopolysiloxane (A).