511results about How to "Improve curing speed" patented technology

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 invention discloses an air jet assisting multi-needle electrostatic spinning device which comprises a spinneret plate with the air jet assisting function. Multiple metal needles are arranged on the spinneret plate. The head ends of all the metal needles are connected in series through a wire. The wire is connected with the positive electrode of a direct-current high-pressure generator. The tail end of each metal needle is connected with an injector through a liquid guide pipe. The injector is driven through a micro-injection pump. A receiving device is arranged below the spinneret plate and connected with the negative electrode of the direct-current high-pressure generator. By the adoption of the air jet assisting multi-needle electrostatic spinning device, the spinneret plate with the multiple needles serves as a spinning module, on the basis, the air jet assisting function is added to increase the volatilizing speed of a spinning solvent, accelerate jet flow solidification and increase the operation speed, so that the yield of unit time of nanofibers is increased, the fibers are stretched to a certain degree through jet air flow, and the nanofibers with the smaller diameter can be acquired.

Radiation-curable inner and outer primary optical fiber coatings are disclosed having both fast cure speed and reduced rates of yellowing. The compositions comprise particular photoinitiators and UV absorbers which are used in amounts to provide the combination of properties. The UV absorber can have ethylenic unsaturation. Outer primary coatings can be formulated to screen inner primary coatings and have fast cure speed.

A hydrosilylation catalyst is provided wherein a platinum catalyst is enclosed in a heat-fusible compound having a melting point of 40-200 DEG C. and containing an aliphatic unsaturated bond, carbonyl, carboxyl or thioether radical in a molecule. The catalyst is blended in organo-polysiloxane to form a silicone composition having both shelf stability and fast-curing capability.

A wound treatment apparatus that ventilates a wound dressing with warm humidified oxygen and/or air at a very low flow rate while under a sub-atmospheric pressure. A controlled flow of filtered air and/or oxygen is selected or blended under atmospheric pressure. This gas is pulled by a downstream vacuum source through a flow limiting device and exits at a sub-atmospheric pressure equal to the vacuum source. The gas flow is then humidified and heated to prescribed conditions before entering a substantially airtight negative pressure type wound dressing which is adapted for ventilation with an added inlet connection. This conditioned gas ventilates and nourishes the wound environment exiting the dressing outlet, through a fluid trap, to the vacuum source.

Process for providing a binder for mineral fibers, comprising the steps of: mixing together under reactive conditions an amine and an anhydride whereby water is added thereto, once substantially all the anhydride is dissolved and/or reacted in the amine.

Organopolysiloxane-based compositions that are used to prepare silicone rubbers that are flame retardant and to the use of such rubbers. More specifically, flame retardant rubbers that are useful as coatings, for example, as marine deck coatings, firewall construction and fireblanket applications. The materials are resin reinforced silicone polymers used in conjunction with ceramic hollow spheres and they have demonstrated good performance in flame retardancy tests.

The invention relates to a reactive polyurethane hot melt adhesive, consisting of the following raw materials in parts by weight: 10-30 parts of polyether polyol, 30-50 parts of polyester polyol, 12-16 parts of isocyanate, 6-20 parts of tackifying resin, 8-20 parts of reactive plasticizer, 1-3 parts of latent curing agent and 0.1-0.5 part of catalyst. The reactive polyurethane hot melt adhesive prepared by the invention has good bonding strength, flexibility, hot and cold shock resistance, water resistance and aging resistance, and the curing speed is improved to greatly perfect the performance of PUR (Polyurethane) adhesive.

The invention provides a photocurable adhesive agent which has excellent storage stability, can prevent the discoloration of the adhesive agent itself or a material to be adhered during curing, has a high curing rate, and can provide good adhesion; a polarizing plate using the photocurable adhesive agent; a method for producing the polarizing plate; an optical member; and a liquid crystal displaydevice. Specifically, the invention discloses a photocurable adhesive agent for adhering a protective film to a polarizer comprising a polyvinyl alcohol resin film having iodine or a dichroic dye adsorbed and oriented thereon. The photocurable adhesive agent comprises: 100 parts by mass of an epoxy resin (A) having two or more epoxy groups in the molecule, wherein at least one of the epoxy groupsis an alicyclic epoxy group; 5 to 1000 parts by mass of an epoxy resin (B) having two or more epoxy groups in the molecule and containing substantially no alicyclic epoxy group; and 0.5 to 20 parts by mass of a photo-cationic polymerization initiator (C).

The invention discloses a novel UV-cured adhesive for plastic and a preparation method thereof. The UV-cured adhesive is prepared by the following steps of: adding polyurethane acrylate and a monomer diluent into an epoxy acrylate resin, stirring at the constant temperature of between 50 and 55 DEG C for 3 to 4 hours, and adding a photoinitiator, an accelerating agent and a polymerization inhibitor; and regulating the temperature to between 60 and 70 DEG C, stirring at the constant temperature for 1 to 2 hours and discharging to prepare the novel UV-cured adhesive. The UV-cured adhesive comprises the following components in percentage by weight: 30 to 60 percent of polyurethane acrylate, 10 to 30 percent of epoxy acrylate resin, 4 to 5 percent of photoinitiator, 25 to 65 percent of monomer diluent, 0.1 to 0.9 percent of accelerating agent and 0 to 0.2 percent of polymerization inhibitor. The product is mainly applied to adhesion of PVC, ABS, PC, PMMA and other plastics, and has the advantages of no solvent, simple and easy operation and suitability for mass production.

The invention discloses a bi-component polyurethane adhesive, which consists of a component A and a component B. The component A comprises the following raw materials in percentage by weight: 0-10% of monohydric alcohol, 30-90% of polyhydric alcohol, 8-60% of pigments and fillers, 1-10% of nano-filler, 0.01-1% of catalyst and 0.1-5% of silane coupling agent, wherein the sum of the raw materials is equal to 100%; the component B is isocyanate; and the weight ratio of the component A to the component B is 1-5:1. According to the bi-component polyurethane adhesive, the shelf life of the prepared bi-component polyurethane adhesive is obviously prolonged, and the curing speed is doubled.

The invention concerns treatment methods using anti-CD22 monoclonal antibodies with unique physiologic properties. In particular, the invention concerns methods for the treatment of B-cell malignancies and autoimmune diseases by administering an effective amount of a blocking anti-CD22 monoclonal antibody specifically binding to the first two Ig-like domains, or to an epitope within the first two Ig-like domains of native human CD22 (hCD22).

A composition including at least one anaerobically polymerizable compound; and at least one condensation product of an aldehyde and or ketone/with a polyol. The invention also provides a composition as described above which is in the form of a soft solid, for example, in the form of a stick. A two-part composition is provided, comprising a first part containing at least one polymerizable compound; and a second part containing at least one curing component for polymerizing the composition, wherein at least one of the first or second parts additionally comprises at least one gelling or solidifying agent. A kit is provided comprising the composition according to the invention which includes at least one primer component and at least one carrier solvent for the primer component, and a second composition which includes at least one anaerobically polymerizable compound and at least one condensation product of an aldehyde and or ketone/with a polyol. A pack is also provided, comprising: a shaped mass of a composition which includes at least one anaerobically polymerizable compound and at least one condensation product of an aldehyde and or ketone/with a polyol, and a container (1) for the composition. The container (1) has a mechanism for expelling the shaped mass.

The invention relates to a UV-curable coating used in surface coating for electronic products, which is prepared by the components with the following weight percentage: 10 to 30wt percent of dual-functional polyurethane acrylate, 5 to 40wt percent of multi-functional nuclear hybrid acrylate monomer, 5 to 30wt percent of ethoxylated or propoxylated multi-functional acrylate monomer, 0 to 15wt percent of single-functional monomer, 1 to 6wt percent of photoinitiator, 0 to 5wt percent of modified nano material, 0.1 to 2wt percent of flatting agent, and 10 to 50wt percent of solvent. The UV-curable coating of the invention is widely applicable to the surface coating of electronic products, such as mobile phones, MP3, MP4 and digital cameras, etc, and has the advantages of high wear resistance, high transparency, strong adhesion, high gloss, etc.

Prepolymer compositions for preparing a one-part, moisture-curable sealant, adhesive or coating, and a method of making such prepolymer compositions are provided. The prepolymer compositions comprise a polyurethane prepolymer that is end-capped with silane groups or a combination of silane groups and end capping groups that have been derived from an alcohol and an amount, referred to hereinafter as an “excess”, of unreacted aromatic alcohol having a molecular weight of less than 2000. The excess of unreacted aromatic alcohol in the composition is from greater than 0% to 15% by mole of the level of original NCO groups in the prepolymer. From 50 to 100% of the original NCO groups are end-capped with silane groups, and from 0 to 50% of the original NCO groups are end-capped with a end-capping group that has been derived from an aromatic alcohol, an aliphatic alcohol or both. Sealant compositions and coating compositions comprising the present prepolymer composition are also provided.

An object of the present invention is to provide a cured product which is excellent in characteristics such as an electric insulation property, a heat impact resistance, an adhesive property and the like and to provide a photosensitive insulation resin composition from which the above cured product can be obtained and which is suited to uses such as an interlayer insulation film, a surface protecting layer and the like in semiconductor elements. The photosensitive insulation resin composition according to the present invention is characterized by comprising (A) a copolymer comprising 10 to 99 mole % of a constitutional unit (A1) represented by the following Formula (1) and 90 to 1 mole % of a constitutional unit (A2) represented by the following Formula (2) (provided that the total of all constitutional units constituting the above copolymer (A) is 100 mole %):

(wherein R¹ represents an alkyl group having 1 to 4 carbon atoms, an alkoxy group or an aryl group; R² represents a hydrogen atom or methyl; m is an integer of 1 to 3, and n is an integer of 0 to 3; and m+n≦5; R³ represents an alkyl group having 1 to 4 carbon atoms, an alkoxy group or an aryl group; R⁴ represents a hydrogen atom or methyl; and k is an integer of 0 to 3), (B) a compound (B1) having an oxetanyl group, (C) a photosensitive acid generator, (D) a solvent and (F) cross-linked fine particles.

The invention discloses abietyl hyper branched epoxy resin and a preparation method thereof. The method comprises the following steps: a) maleopimaric anhydride and bio-dihydric alcohol, a benzene solvent, and a catalyst are reacted, the benzene solvent is removed through pressure reduction to obtain the abietyl hyper branched polyester; and b) the abietyl hyper branched polyester and chloropropylene oxide are subjected to a reaction under the effect of an open loop reaction catalyst, the unreacted chloropropylene oxide is removed through pressure reduction, an organic solvent and an alkalescence catalyst are added for the reaction, and then processing is carried out to obtain the abietyl hyper branched epoxy resin. The invention also discloses an application of the resin. The rosin is introducecd into a hyper branched epoxy resin structure, a special hydrogen phenanthrene ring structure of rosin is used, rigidity, heat resistance and solidification speed are increased, viscosity is low, hydroxy is not contained, so that the epoxy resin can be used for the fields of high temperature resistance gluing agent, high temperature resistance paint, environmental protection low volatilization paint, low volatilization resin and routine epoxy resin.

The invention discloses a double-component acrylate structure adhesive for bonding electrophoretic coating materials and a preparation method of the structure adhesive, belonging to the technical field of adhesives. The structure adhesive is prepared by mixing a component A with a component B according to a volume ratio of 10 : (0.1-2), wherein the component A comprises acrylate monomers, acrylic resin, strongly acidic monomers, non-polar rubber, flexible rubber, non-polar organic particles, an accelerator, a stabilizer and paraffin; the component B comprises an initiator, a plasticizer, a thickener and pigment. The structure adhesive can be used for effectively bonding and quickly curing electrophoretic coatings, is high in stripping strength and shear strength, and has the characteristics of being convenient to apply, good in room-temperature storage stability and the like; the bonding surface destruction form is cohesive failure of an adhesive layer.

A temperature controllable vacuum chuck includes a mounting bracket, a porous plate, a heating element, and a temperature sensor. The porous plate is mounted to the mounting bracket and is configured for securing a substrate to the vacuum chuck when air is suctioned out of the vacuum chuck. The heating element is attached to the bottom of the porous plate and uniformly heats the porous plate, thereby heating any substrate mounted on the vacuum chuck and enabling control over the cure rate of fluid materials deposited on the substrate. The temperature sensor measures the temperature of the porous plate so that it can be adjusted when desired with a user controllable temperature control component.

A polymerizable Norrish Type II photoinitiators includes an optionally substituted benzophenone group or an optionally substituted thioxanthone group exhibiting improved compatibility with and solubility in radiation curable compositions. Radiation curable compositions and inkjet inks can contain these polymerizable Norrish Type II photoinitiators, exhibiting low extractable amounts of the photoinitiators and their residues after curing.

The invention belongs to the field of sealing materials, particularly relates to a one-component high temperature-resistant gasket-free sealant and a preparation method thereof. The sealant comprises the following components in parts by weight: 10-100 parts of base materials, 10-100 parts of filler, 10-100 parts of heat resistant filler, 5-20 parts of crosslinker, 1-10 parts of thixotropic agent,2-4 parts of pigment, and 0.5-2 parts of viscosity increaser. Through phenyl group-containing organic siloxane polymer as the base material, in combination with the filler, the sealant provided by the invention has greatly improved high temperature resistance. The sealant has the advantages of good temperature resistance, and high adhesive bonding capacity and is stable in store. In addition, catalysis is not used, and the pollution to the base material is reduced.