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|| List of recent Resin-related patents
| Computer-aided die design apparatus|
In a computer-aided die design apparatus having a computer, a display adapted to be connected to the computer, and a simulator adapted to be loaded in the computer to analyze and display on the display flow behavior of resin when the resin charged into a die cavity is die-clamped by a press at a compression force, the simulator comprises an analyzer that analyzes the resin flow behavior by increasing the compression force for die-clamping the resin at a predetermined time interval until the increased compression force reaches an upper limit value, and a substitutive value calculator that calculates a substitutive value of the compression force based on a stress-relaxation time of the resin when the compression force has reached the upper limit value.. .
| Method to minimize chain scission and monomer generation in processing of poly(l-lactide) stent|
Methods of fabricating an implantable medical devices such as stents made from biodegradable polymers are disclosed that reduce or minimize chain scission and monomer generation during processing steps. The method includes processing a poly(l-lactide) resin having an number average molecular weight between 150 to 200 kd in an extruder in a molten state.
| Gasket for pre-filled syringe|
The present invention aims to provide a pre-filled syringe coated with a resin film capable of reducing sliding resistance and preventing liquid leakage by a simple method. The present invention relates to a gasket for a pre-filled syringe, which has a sliding side surface that is coated with an inactive resin film and further cut to form a cut.
| Method for removing radioactive cesium, hydrophilic resin composition for removing radioactive cesium, method for removing radioactive iodine and radioactive cesium, and hydrophilic resin composition for removing radioactive iodine and radioactive cesium|
The present invention intends to provide a method for removing radioactive cesium, or radioactive iodine and radioactive cesium that is simple and low-cost, further does not require an energy source such as electricity, moreover can take in and stably immobilize the removed radioactive substances within a solid, and can reduce the volume of radioactive waste as necessary, and to provide a hydrophilic resin composition using for the method for removing radioactive cesium, or radioactive iodine and radioactive cesium, and the object of the present invention is achieved by using a hydrophilic resin composition containing: at least one hydrophilic resin selected from the group consisting of a hydrophilic polyurethane resin, a hydrophilic polyurea resin, and a hydrophilic polyurethane-polyurea resin each having at least a hydrophilic segment; and a zeolite dispersed therein in a ratio of at least 1 to 200 mass parts relative to 100 mass parts of the hydrophilic resin.. .
| Process for obtaining low molecular lignin (lml)|
A process for obtaining resin or plastics using a lignocellulosic material by treating a lignocellulosic material with an aqueous extraction solution having a content of a c1-4-alcohol of from 70% v/v to 95% v/v at a ph-value of from 12 to 14, whereby a first aqueous solution of low-molecular lignin (lml) is obtained, which is converted into resin or plastics; and a method of obtaining lml and a method of concentrating lml, wherein the first aqueous solution of lml is used for the treatment of additional lignocellulosic material in order to obtain aqueous solutions in which the lml is enriched compared with the first aqueous solution.. .
| Polyester resin for toner, method for producing same and toner|
Disclosed is a toner which is excellent in low-temperature fixability, high-temperature offset resistance, storage stability and durability, while having a wide range of fixing temperature. Also disclosed is a polyester resin used for such a toner.
| Catalyst for synthesizing polyester resin and method of manufacturing polyester resin using the same|
A catalyst used to manufacture a biodegradable polyester resin, in particular, an organic titanium catalyst which does not contain a heavy-metal component, and a method of manufacturing a polyester resin using the same. Accordingly, the method of manufacturing a polyester resin can be useful in attaining desired physical properties without using a catalyst harmful to environments and a human body.
| Process for producing high quality non-hevea natural rubber|
Some embodiments of the invention include a process for separating rubber, resin and bagasse from at least a portion of a rubber producing plant including the steps of providing a plant portion and at least partially homogenizing the plant portion in the presence of a resin-solubilizing medium, and extracting rubber using a rubber solubilizing solvent. In some embodiments, the plant portion can include an antioxidant, that in some embodiments, the includes a substantially non-staining antioxidant.
| Hardeners for epoxy resin coatings|
The invention relates to hardeners for epoxy resin containing secondary amino groups having dialkyl amino phenyl groups. The hardeners have a surprisingly low viscosity and harden surprisingly fast together with the epoxy resins, even in moist, cold conditions, and without blushing to form films with high hardness and stability.
| High glass transition temperature resin formulations|
A curable resin formulation based on the modification of cyanate esters with silsesquioxane resins is provided for use in forming a cured composite structure or layer. More specifically, a resin formulation that generally comprises a silsesquioxane resin component having an equivalent weight of aromatic hydroxyl groups that is greater than 500 and less than 2,000 grams per mole of aromatic hydroxyl groups; a cyanate ester component; and optionally a catalyst is described.
| Polylactic acid resin and copolymer polyester resin blend, and molded product using same|
A blend of polylactic acid resin and copolyester resin, which has excellent impact resistance and heat resistance, and a molded article manufactured using the same are disclosed. The blend of polylactic acid resin and copolyester resin, comprises 5 to 94 wt % of a polylactic acid resin; 3 to 92 wt % of a copolyester resin comprising a dicarboxylic acid component, which contains a terephthalic acid residue, and a diol component which contains 3 to 99 mol % of a cyclohexanedimethanol residue and 1 to 60 mol % of an isosorbide residue; and 3-30 wt % of a compatibilizer containing at least one reactive functional group selected from the group consisting of glycidyl, maleic anhydride, epoxy, isocyanate, amino, carboxylic acid and oxazoline groups, and mixtures thereof..
| Resin composition, prepreg, laminate and printed circuit board using the same|
A resin composition contains: (a) 100 parts by weight of the cyanate ester resin; (b) 5 to 80 parts by weight of the styrene-maleic anhydride copolymer; (c) 15 to 80 parts by weight of the styrene-butadiene-divinyl benzene (sbdvb) terpolymer; and (d) 5 to 60 parts by weight of the acrylate compound, where the contents of the styrene-maleic anhydride copolymer, the styrene butadiene divinyl benzene terpolymer, and the acrylate compound are based on 100 parts by weight of the cyanate ester resin. By providing such formulation, the resin composition of the present invention exhibits low dielectric constant, low dielectric dissipation, high thermal stability and high flame resistance, and is useful in manufacturing a prepreg or a resin film, and is further useful in manufacturing a laminate and a printed circuit board..
| Polymer polyol, method for producing the same, and method for producing polyurethane resin|
A polymer polyol (i) is provided that is formed of a polyol (a), polymer particles (b) obtained by polymerization of an ethylenically unsaturated compound (b), and an active-hydrogen-containing compound (d) having an aromatic ring and having a number-average molecular weight of 150 to 2,000, wherein a content of (d) is 1 to 20% on the basis of a weight of (b). The polymer polyol of the present invention contains polymer particles having sufficiently small particle diameters, has a low viscosity, and has excellent handleability.
| Silicone resins comprising metallosiloxane|
The invention relates to silicone resins comprising metallosiloxane which contains for example si—o-aluminium bonds. It also relates to their use in thermoplastics, thermosettings organic polymers or any blends of the laters or rubbers or thermoplastic/rubbers blends compositions to reduce the flammability or to enhance scratch and/or abrasion resistance of the organic polymer compositions.
| Optical resin material and manufacturing method therefor|
An optical resin material includes a multicomponent system whose number of components z which is defined under a counting condition of including original number x(x≧2) of copolymer into the number of components is three or more. Wherein the combination of the components constituting the multicomponent system is selected such that: at least one of respective signs of intrinsic orientational-birefringences of respective homopolymers which correspond to respective monomers constituting respective components of the copolymer and signs of orientational-birefringence properties which the low-molecular-weight organic compound presents in common in the respective homopolymers has a different sign from those of others, and also, at least one of photoelastic-birefringence properties of the respective homopolymers and photoelastic-birefringence properties which the low-molecular-weight organic compound presents in common in the respective homopolymers has a different sign from those of others..
| Resin composition, and pellet and molded product thereof|
A resin composition includes 90 to 50% by weight of (a) a polyamide having 7 or more average carbon atoms per amide functional group and containing no aromatic ring; 10 to 50% by weight of (b) a polyamide having an aromatic ring and being crystalline, based on 100% by weight of the total of the component (a) and the component (b); and 5 to 75 parts by weight of (c) a carbon fiber, based on 100 parts by weight of the polyamide including (a) and (b).. .
| Bio resin compositions, bio molded article and method of manufacturing the same|
Disclosed is a bio resin composition, a bio molded article, and a method of manufacturing the same. The bio resin composition is environmentally friendly and provides at least a predetermined level of physical properties, such as hardness, strength, and the like, by including a bio polyethylene resin, a thermoplastic olefin resin, a polypropylene resin, and an inorganic filter and by further including a thermoplastic rubber.
| Heat resistant polyamide compositions|
Disclosed are heat resistant polyamide compositions including a) one or more polyamide resins, b) one or more reinforcing agents, c) a zinc compound; d) a copper heat stabilizer; and optionally, e) a polyhydric alcohol.. .
| Scratch self-recovering paint composition|
A scratch self-recovering paint composition is provided that may maintain physical properties sufficient to be used for interior vehicle parts and may slowly recover from scratches generated on the surface of the paint composition. Specifically, the self-recovering paint composition includes a polyester polyol resin which is a soft resin, an acryl polyol resin which is a hard resin, a curing agent, a wetting dispersing agent, a leveling agent, a uv additive, and the like, and thus the use lifespan of the interior material is extended, and the high-gloss paint of the interior material is maintained without additional costs..
| Flame retardant polyolefin resin composition|
The present invention provides a polyolefin resin composition with sufficient flame retardancy to pass ul94 5va without using a halogen flame retarding agent that produces harmful gas during combustion, and specifically provides a flame retardant polyolefin resin composition containing, as flame retardant components of the polyolefin resin, (a) a (poly)phosphoric acid compound expressed by general formula (1) and (b) a (poly)phosphate compound expressed by general formula (3), and preferably (c) zinc oxide and (d) a drip preventing agent, and that satisfies ul94 5va. Note that the details of general formula (1) and general formula (3) are as disclosed in the specification..
| Hydrolysis resistant and biodegradable aliphatic-aromatic copolyester resin composition|
The present invention relates to an aliphatic-aromatic copolyester resin composition with excellent hydrolysis resistance, wherein an unsaturated compound or an anhydride thereof is introduced into a molecular structure, and specifically, the aliphatic-aromatic copolyester resin composition can be manufactured into all molded products by extrusion, injection and the like, by solving problems with respect to physical properties, processability, reaction rates and water solubility of conventional biological resins.. .
| Two-pack type epoxy resin composition for fiber-reinforced composite materials, and fiber-reinforced composite material|
A two-pack type epoxy resin composition for fiber-reinforced composite materials includes components [a] to [d], with component [d] being a liquid at room temperature or a solid having a melting point of 130° c. Or less: [a] an epoxy resin; [b] an acid anhydride; [c] a compound that has an average of 2.5 or more hydroxyphenyl structures in each molecule; and [d] an organic phosphorus compound or imidazole derivative..
| Carbon nanofiber aggregate, thermoplastic resin composition, and method for producing thermoplastic resin composition|
There is provided a carbon nanofiber aggregate capable of suppressing scatter and having excellent dispersibility and filling property in a thermoplastic resin. A carbon nanofiber aggregate has a maximum void volume p1 (cm3/g) at a pore diameter of 2,500 nm or more and 100,000 nm or less and a maximum void volume p2 (cm3/g) at a pore diameter of 6 nm or more and less than 2,500 nm in pore distribution data measured by mercury porosimetry.
| Light diffusing thermoplastic resin compositions and light diffusing members|
A light diffusing thermoplastic resin composition comprising: (a) a transparent thermoplastic resin; and (b) organic modified functional silica particles having 5 μιη to 15 μιη of the average particle size and 600 m2/g to 800 m2/g of the bet specific surface area, wherein the amount of component (b) is 0.05 to 20% by weight of total amount of components (a) and (b), has an excellent light diffusing property and a high total light transmittance, inhibits discoloration, when melt-processed or used.. .
| Resin composition, resin molded article, and surface-treated red phosphorus|
A resin composition includes a resin selected from a polylactic acid resin and a polycarbonate resin as a matrix resin, and surface-treated red phosphorus, wherein the surface-treated red phosphorus is contained in an amount of 10 parts by weight to 40 parts by weight, based on 100 parts by weight of the polylactic acid resin or the polycarbonate resin.. .
| Polyester resin composition and polyester film using the same|
Provided are a polyester resin composition having less internal defects, by controlling the metal content in a catalyst and the metal content in an electrostatic pinning agent at the time of manufacturing a polyester resin, and a polyester film using the same.. .
| Ink composition for inkjet|
An ink composition for an inkjet including titanium dioxide having an average primary particle diameter of 200 nm or more; a water-soluble resin; self-dispersing resin particles having an average particle diameter of 40 nm or less; and water.. .
| Rigid polyurethane resin for cutting work|
The present invention aims to provide a rigid polyurethane resin for cutting, which has high heat resistance, no scorching, and reduced expansion due to absorption of moisture in the air. The rigid polyurethane resin-forming composition (p) for cutting of the present invention includes: a polyol component (a); an isocyanate component (b); an inorganic filler (c); and a dehydrating agent (d).
| Acrylic polymers containing metallic nanoparticles|
Methods of forming antimicrobial polymeric materials comprising metallic nanoparticles are disclosed. Such methods generally comprise: combining a metal-containing material with a resin in situ; and curing the resin in the presence of a metal-containing material.
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Resin topics: Carbon Dioxide, Homogeneous, Back Sheet, Impregnated, Nanoparticle, Carbonate Ion, Carbonic Anhydrase, Deionization, Bicarbonate, Organosiloxane, Surface Treatment, Fluoropolymer, Encapsulation, Display Panel, Semiconductor Device
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