2574results about How to "Improve curing effect" patented technology

A method for increasing mechanical strength of a dielectric film includes: providing an initial dielectric film containing porogen; irradiating the initial dielectric film with first UV light having a first wavelength which is substantially or nearly similar to a maximum light absorption wavelength of the porogen for removing the porogen; and then irradiating the porogen-removed dielectric film with second UV light having a second wavelength which is shorter than the first wavelength, thereby increasing mechanical strength of the dielectric film.

An optical moulding process is disclosed comprising the sequential steps of: (a)(y) forming a layer of a photocurable composition; and (bXz) irradiating selected areas of the composition in the layer with radiation from a radiation source, thereby curing the composition in said selected areas and repeating the steps a) and b) on top of an earlier cured layer to form a three dimensional structure, wherein the radiation source used in step b) is a non-coherent source of radiation and wherein the photocurable composition comprises at least two curable components: (i) 45%-95% (and preferably at least 50%, more preferably at least 60%, e.g. at least 70%) by weight of the total curable components in the composition is a first component that is photocurable and that is such that, when cured in the presence of a photocuring initiator by exposure to UV radiation having an energy of 30 mJ/cm², at least 90% of the component is cured within 50 milliseconds; and (ii) 5% to 55% (and preferably 10-40%, more preferably 15 to 30%, e.g. about 20%) by weight of the total curable components in the composition is a second component that results in the composition, on curing, shrinking, in a linear direction, by less than 3% and preferably that results in the composition having, after cure, a T_g of greater than 50° C., preferably at least 100° C. and more preferably at least 120° C.

An ink composition for ink jet recording includes a coating film forming material, a polyether-modified silicone oil, and water, wherein the polyether-modified silicone oil is soluble in a solvent in which a lower limit of an SP value is 8.5 or less and an upper limit of the SP value is 18.0 or more.

An ink jet printer capable of enhancing curability of cationic polymerization ink in a state that a raise in temperature of a recording medium is prevented as possible. The ink jet printer for recording a desired image on a recording medium by ejecting ink which includes a cationic polymerization component and which is curable when irradiated with light to the recording medium, has: a recording head for ejecting the ink to the recording medium; a light irradiation section for irradiating the light to the ink placed on the recording medium; a humidity detecting section for detecting humidity around the ink placed on the recording medium; and a controller for controlling irradiation of the light to be irradiated from the light irradiation section on the basis of detected humidity detected by the humidity detecting section.

The present invention provides a photocurable ink composition for ink jet recording with excellent curability. The photocurable ink composition for ink jet recording includes polymerizable compounds, a photopolymerization initiator, and a colorant, wherein the polymerizable compounds include a vinyl ether group-containing (meth)acrylate represented by general formula (I):

CH₂═CR¹—COOR²—O—CH═CH—R³  (I)

(wherein R¹ is a hydrogen atom or a methyl group, R² is a divalent organic residue having 2 to 20 carbon atoms, and R³ is a hydrogen atom or a monovalent organic residue having 1 to 11 carbon atoms) and phenoxyethyl (meth)acrylate.

The invention relates to a water-based primer-topcoat braking paint and a preparation method thereof. The braking paint comprises the following materials by weight percentage: 30-40 of water-based acrylic resin, 2-10 of amino resin, 1-3 of neutralizing agent, 2-5 of compound rustproofing pigment, 1-3 of tinting pigment, 10-20 of filling agent, 0.1-0.5 of defoaming agent, 0.1-0.5 of flatting agent and 25-40 of deionized water, wherein the water-based acrylic resin is a free radical polymerization resultant which comprises the following materials by weight percentage: 10-30 of monomer containing hydroxy acrylic acid, 5-20 of monomer containing carboxyl acrylic acid, 2-8 of internal crosslinking monomer, 20-40 of other acrylic acid monomer, 15-30 of phenyl ethylene monomer, 1-5 of evocating agent and 40-50 of alcohol ether latent solvent. When the paint is prepared, the dispersion and the abrading condition of the pigments and the filling agents are reasonably controlled to ensure that each component of the paint fully plays the respective function. The paint ensures the corrosion prevention effect and the decoration of a coating and realizes the combination of a primer and a topcoat.

A one component resin composition curable with a combination of light and heat, which comprises (1) an epoxy resin, (2) an acrylic ester monomer and/or methacrylic ester monomer, or an oligomer thereof, (3) a latent epoxy curing agent, (4) a photo radical initiator, and (5) a compound having two or more thiol groups per molecule, wherein the ingredient (5) is contained in an amount of 0.001 to 5.0 parts by weight per 100 parts by weight of this resin composition. According to the present invention, a one component resin composition curable with a combination of light and heat, which has excellent curability especially in a light-shielded area can be provided. Also, a liquid crystal sealant composition curable with a combination of light and heat, which is applicable to the one-drop-fill method and has excellent curability in light-shielded areas and adhesion reliability, especially high-temperature and high-humidity adhesion reliability, can be provided.

A fluorine-containing triallyl isocyanurate of the formula [I]:wherein at least one of X and Y is a fluorine atom, and the other is a hydrogen atom or a fluorine atom, exhibits good curing properties even when it is used as a crosslinking aid for elastomers which are required to have good heat resistance, such as in particular, fluororubbers, and provides cured materials having good mechanical properties and heat resistance.

An ultraviolet ray curable ink jet composition of the present invention is characterized by being adapted to be ejected using an ink jet method and containing:

• • a polymerizable compound;
  • metal particles subjected to a surface treatment; and
  • a substance A having a partial structure represented by the following formula (1),

In a laser based curing apparatus, the acts both as the curing light and the excitation source for a Raman spectroscopic sensor. The spectroscopic sensor provides real-time, in situ, non-invasive curing status monitoring via Raman spectroscopy. The spectroscopic information can be further used to control the operation parameters of the laser to achieve the optimum cure result.

The present invention provides an aqueous two-package type clear coating composition comprising: (A) an aqueous dispersion of a hydroxyl group- and acid group-containing acrylic resin having a hydroxyl value of 30 to 200 mg KOH/g, an acid value of 5 to 50 mg KOH/g, a weight average molecular weight of 3,000 to 30,000, and a glass transition temperature of −30 to +40° C. obtained by radical polymerization of 10 to 50 mass % of a secondary hydroxyl group-containing monomer (a) and 50 to 90 mass % of at least one other unsaturated monomer (b); and (B) a polyisocyanate curing agent obtained by mixing (c) a polyisocyanate compound and (d) a compound containing an anionic functional group, a polyoxyethylene group, and a hydrocarbon group, and a process for forming a multilayer topcoat film using the same.

The invention relates to an application of a carbazole oxime ester compound serving as a photoinitiator in a photopolymerisable acrylate composition, the photopolymerisable acrylate composition containing the carbazole oxime ester compound and an application thereof. The composition presents excellent suitability by the combination of the specific photoinitiator and specific photopolymerisable acrylate monomer, and has high storage stability, higher light sensitivity in a short wave position, and excellent dissolvability performance; and when the composition is polymerized, the composition has the advantages of fast solidification speed, little pollution, energy conservation, high exposal efficiency and small exposal dosage, meanwhile, the solidified image pattern is fine and complete without defect and scum, and the membrane has good hardness.

An actinic ray curable composition containing a quinacridone pigment; a dispersant; a cationically polymerizable monomer; a photo acid generator; and a quinacridone derivative.

The invention relates to heavy metal sludge treated agent and a treating method thereof and in particular discloses a heavy metal pollution bottle sediment curing agent. The curing agent comprises cement and pulverized fuel ash, the mass ratio of the pulverized fuel ash to cement is 1:(0.5-11).The curing method of the curing agent comprises the following steps: directly adding the curing agent tothe heavy metal pollution bottle sediment with the use level of the curing agent being 0.4-1.5 times of the use level of the heavy metal pollution bottle sediment; maintaining the mixture after beingadded the curing agent for at least 3 days; and finally, completing the curing process.The curing agent and curing method of the invention not only has low processing cost but also ideal curing effect.

An enhanced anaerobic adhesive composition containing microencapsulated metal ions is disclosed. Microencapsulated metal ions, such as iron oxide, copper naphthenate, cobalt naphthenate, ferrocene, and ferrocene derivatives, act as bonding sites in the composition, such that the composition achieves more complete polymerization in a shorter curing time. The curing properties and the cure quality are significantly improved by the inclusion of microencapsulated metal ions. The composition can be used to bond metal and plastic substrates.

The invention discloses a preparation method of a sprayed surface layer of an environment-friendly polyurethane plastic track. The method comprises the steps of preparing a component A: adding polyether polyol into a reaction kettle, stirring and heating to 80-160 DEG C, dehydrating, cooling to 40-50 DEG C, adding isocyanate, stirring, and performing constant-temperature reaction at 80-85 DEG C for 2-4 hours; preparing a component B: uniformly mixing polyether polyol, a chain extender, a plasticizer, an ultraviolet light absorber anti-mildew agent, a thixotropic agent, a silane coupling agent and filler, shearing at a high speed, milling, and performing vacuum heating at 60-70 DEG C for 1-3 hours; mixing the component A and component B at a mass ratio of 1:(3-5.5); adding an inert amine dryer; stirring uniformly and spraying on the bottom layer of the polyurethane track. By adopting the method disclosed by the invention, the specific pungent smell of a conventional polyurethane track is avoided, the foaming effect is reduced, the usability of the track is improved, and the service life of the track is prolonged.