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2119results about "Polyamide coatings" patented technology

Silicone hydrogel lenses with water-rich surfaces

The invention is related to a hydrated silicone hydrogel contact lens having a layered structural configuration: a lower water content silicone hydrogel core (or bulk material) completely covered with a layer of a higher water content hydrogel totally or substantially free of silicone. A hydrated silicone hydrogel contact lens of the invention possesses high oxygen permeability for maintaining the corneal health and a soft, water-rich, lubricious surface for wearing comfort.
Owner:ALCON INC

3D Print Bed Having Permanent Coating

A coated print bed for a 3D printer having a permanent print-surface coating permanently secured to a print bed substrate plate, having a smooth, planar surface that provides an adhesive interface layer between a first layer of an applied plastic print material and the coated print bed. The coating contains a matrix-forming compound, such as a solvent- or water-based epoxy resin, an adhesive material, and optionally a filler. The user can print a series of print object directly onto the permanent print surface coating of the coated print bed, without having to refresh or refurbish the print surface, such as by applying to the print bed surface a temporary coating such as painter's tape, or a liquid adhesive.
Owner:EZ PRINT

Silicone hydrogel lenses with water-rich surfaces

The invention is related to a hydrated silicone hydrogel contact lens having a layered structural configuration: a lower water content silicone hydrogel core (or bulk material) completely covered with a layer of a higher water content hydrogel totally or substantially free of silicone. A hydrated silicone hydrogel contact lens of the invention possesses high oxygen permeability for maintaining the corneal health and a soft, water-rich, lubricious surface for wearing comfort.
Owner:ALCON INC

Multilayer Coatings and Coated Articles

Multilayer coatings comprising at least two layers wherein at least one layer comprises a composition comprising graphene sheets and at least one binder and wherein at least two layers have different compositions.
Owner:VORBECK MATERIALS CORP

Poly(ester amide) coating composition for implantable devices

A poly(ester amide) (PEA) coating with enhanced mechanical and / or release rate for coating an implantable device, such as a drug-eluting stent, is disclosed. A method of forming the PEA coating onto a device and a method of treating a disorder, such as restenosis, are also disclosed.
Owner:ABBOTT CARDIOVASCULAR

Polymeric Compositions Containing Graphene Sheets and Graphite

Compositions comprising at least one polymer binder, graphene sheets, and graphite, wherein the ratio by weight of graphite to graphene sheets is from about 40:60 to about 98:2.
Owner:VORBECK MATERIALS CORP

Compound having silsesquioxane skeleton and its polymer

The present invention relates to a compound represented by Formula (1) and a polymer obtained using the compound: wherein R1 is phenyl which may have substituents, Q1 is hydrogen, halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl or phenyl in which optional hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms, and Q2 is a group represented by Formula (2) wherein the code < represents a bonding point with silicon, l, m, n and p are independently 0, 1, 2 or 3, A1 to A4 are independently a single bond, 1,4-cyclohexylene, 1,4-cyclohexenylene, a condensed ring group having 6 to 10 carbon atoms which is a divalent group, or 1,4-phenylene, Z0 to Z3 are independently a single bond, —CH═CR—, —C≡C—, —COO—, —OCO—, or alkylene having 1 to 20 carbon atoms, and Z4 is a single bond, —CH═CH—, —C≡C—, —COO—, —OCO—, or alkylene having 1 to 20 carbon atoms. And Y1 in Formula (1) is the group defined in Claim 1.
Owner:JNC PETROCHEM CORP +1

Waterproof/sealing paint with aqueous resin as main body

The invention discloses a waterproof / sealing paint with an aqueous resin as the main body. The aqueous resin is a formula resin which is prepared according to a patent of the applicant of the invention, the aqueous resin and an aqueous hardener are dispersed in an emulsion, and the obtained material which is coated on surfaces of buildings, timbers, rattan articles or metals becomes hard to form a hard and waterproof film after water is evaporated and the aqueous resin penetrates the surface of above objects. The extremely good durability and the extremely waterproof performance are reached, and the exudation of impurities in the objects is sealed, so the influence of the exudation of the impurities in the objects to a next step japanning of the objects is avoided. Compared with general waterproof paints and sealing coats, the waterproof / sealing paint of the invention simultaneously has the functions of waterproof paints and sealing paints, the waterproof / sealing paint which is an aqueous system can be diluted with water, and the waterproof / sealing paint which contains an extremely small amount of organic solvents contains no formaldehyde and no toluene, so the waterproof / sealing paint which has the advantages of environment protection and low usage cost avoids the cost of solvents for diluting the waterproof / sealing paint. The waterproof / sealing paint can be applied to various objects of interior walls and exterior walls of buildings, timbers, metals, rattan articles, paper, various handicrafts and the like.
Owner:漳州市奈特新型建材有限责任公司

Temporary bonding adhesive for a semiconductor wafer and method for manufacturing a semiconductor device using the same

To provide a temporary bonding adhesive for a semiconductor wafer that reduces damage to a semiconductor wafer, makes it readily detachable, and can shorten the time required for thermal decomposition, and a manufacturing method for a semiconductor device using this.A temporary bonding adhesive for a semiconductor wafer, being a temporary bonding adhesive used for temporarily bonding a semiconductor wafer onto a supporting substrate in order to process a semiconductor wafer, and for detaching a semiconductor wafer from a supporting substrate by heating after processing, containing a resin composition composition whereof the 50% weight loss temperature decreases after irradiation by active energy rays.
Owner:SUMITOMO BAKELITE CO LTD

Novel fast-set anticorrosion and wear-resistant epoxy powder coating and preparation process thereof

The invention relates to the field of chemical coating, in particular to epoxy powder coating applied to material conveying steel belts in oilfield oil pumping pipelines or coal transportation in the oil industry. In a formula, the coating comprises the following components in percentage by weight: 32-56% of epoxy resin, 8-14% of curing agent, 30-50% of pigments and fillers, 2-10% of resin modifier and 2-6% of assistant, wherein the epoxy resin in the formula is bisphenol A type epoxy resin, a mixture of the bisphenol A type epoxy resin and phenolic aldehyde modified epoxy resin, and phenolic aldehyde modified epoxy resin, and the curing agent is phenolic hydroxyl resin. The epoxy powder coating disclosed by the invention belongs to fast-set anticorrosion and wear-resistant epoxy powder coating, has the granularity being 10-125 mu m, is applied under general curing conditions that the curing temperature is 180-200 DEG C and the curing time is 3-10min, can be regulated according to user needs and is superior to like products in anticorrosion performance, coating film mechanical performance and wear resistance, a preparation process is simple, the labour productivity can be obviously increased, and the epoxy powder coating is suitable for industrialized production.
Owner:JIANGSU LANLING POLYMER MATERIAL CO LTD

Single coat non-stick coating system and articles coated with same

Single coat coating systems (22), as well as articles coated with such non-stick coating systems, are provided. The single coat system includes a fluoropolymer copolymer (14a), such as fluoropolymer terpolymer including tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride monomers, with fluoropolymer copolymers are referred to collectively as THV. The single coat system exhibits excellent substrates adhesion and release properties, is resistant to separation failure at the interface between the binder (12) and fluoropolymer components (14a), and exhibits adhesion to smooth substrates (16). The single coat system may also include a high level of fillers to provide increased damage resistance without compromising the above benefits.
Owner:WHITFORD

Transparent molding composition

ActiveUS20060281873A1Sufficient crystallinityAdequate stress crackingEnvelopes/bags making machineryClosuresPolyamideCarboxylic acid
A polyamide molding composition which can be used for production of a printable or printed item contains a) at most 90 parts by weight of a polyamide obtained from a lactam or from an amino carboxylic acid having at least 10 carbon atoms; and b) from 10 to 100 parts by weight of PA1010, wherein a total of components a) and b) is 100 parts by weight.
Owner:EVONIK OPERATIONS GMBH

Porous multi-component material for the capture and separation of species of interest

A method and porous multi-component material for the capture, separation or chemical reaction of a species of interest is disclosed. The porous multi-component material includes a substrate and a composite thin film. The composite thin film is formed by combining a porous polymer with a nanostructured material. The nanostructured material may include a surface chemistry for the capture of chemicals or particles. The composite thin film is coupled to the support or device surface. The method and material provides a simple, fast, and chemically and physically benign way to integrate nanostructured materials into devices while preserving their chemical activity.
Owner:BATTELLE MEMORIAL INST

Anti-corrosion fingerprint-resistant surface treating pigment and producing method, and use method on stainless steel plate

The invention discloses a corrosion and fingerprint resistant surface treatment agent and a preparation method thereof as well as a use method on stainless steel plates. The weight percentages of the chemical ingredients are as follows: 7-45% of organic macromolecule resin, 2-15% of organic silicon resin solution, 0.5-10% of water system wax, 0.5-10% of nano-oxide, 0.1-20% of metallic compound, 0.1-15% of silane mixture and water being the rest. The preparation method comprises: a pH regulator is added into water, and then the silane mixture and nano oxide are slowly added to prepare nano oxide concentrate; the concentrate is mixed and stirred with the ingredients to form film and is mixed into a treatment agent. The use method of the treatment agent on the stainless steel plates comprises washing, coating and drying. Compared with the prior art, the coating of the invention has good adhesion and ductibility on the surface of the stainless steel and is free from flaking off, thereby enhancing the production efficiency. Coatings resisting corrosion, fingerprint and scratch and stainless steel plates can be obtained.
Owner:BAOSHAN IRON & STEEL CO LTD

Lithium-ion battery separator subjected to composite coating treatment and preparation method thereof

The invention discloses a lithium-ion battery separator subjected to composite coating treatment and a preparation method thereof. The lithium-ion battery separator comprises a basement membrane, a polymer coating coated at one side of the basement membrane, and an inorganic particle coating coated at the other side of the basement membrane; the polymer coating is composed of an aramid coating coated on the basement membrane and a polyvinylidene fluoride coating coated on the aramid coating, and the thickness of the polymer coating is 0.3 to 5 [mu] m; and the inorganic particle coating is composed of inorganic particles of different particle sizes and a binding agent, and the thickness of the inorganic particle coating is s 0.5 to 5 [mu] m. The lithium-ion battery separator provided by the invention has the characteristics of being excellent in mechanical property and heat resistant property, having good wettability and solution preserving property to electrolyte, and excellent in cycle performance and high in safety performance.
Owner:深圳市鼎泰祥新能源科技有限公司

Environment-friendly type aqueous aluminum foil protecting agent and preparation thereof

The invention relates to an environmental-friendly waterborne aluminum foil protective agent and a prepration method thereof, wherein, the protective agent comprises the following components according to the formula by weight: 45 percent to 70 percent main resin; 0 percent to 20 percent assisted resin; 10 percent to 50 percent water; 0 percent to 35 percent cosolvent; 0 percent to 0.5 percent film-forming auxiliary agent; 0 percent to 0.5 percent leveling agent; 0 percent to 0.5 percent defoamer; 0 percent to 2 percent anti-abrasion agent; and 0 percent to 0.5 percent pH regulator. Compared with the prior art, the environmental-friendly waterborne aluminum foil protective agent and the prepration method have the advantages: (1) the aluminum foil protective agent contains no organic solvent which is harmful to human body and has very low content of VOC, and water and ethanol are used for dilution during the using process, thereby being non-toxic and low in production cost; (2) the aluminum foil protective agent has good adhesion, good transparency, high smoothness and high thermal resistance performance; (3) the aluminum foil protective agent belongs to the general purpose products, and the range of application is broad; and (4) the production process is reasonable, the operation is simple and the production efficiency is high.
Owner:SHANGHAI WEIKAI CHEM

Powder coating containing aerogel particles and preparing method thereof

A powder coating containing aerogel particles and a method for preparing the same relates to a powder coating and a preparation method, which solves the problem that the existing heat insulating composite material containing aerogel is not suitable for making thinner heat insulation material and spraying insulation layer on the component surface, and the aqueous coating has high water content, long construction period and low heat insulation property. The coating of the invention is prepared by 5-80 percent of aerogel particles and 20-95 percent of powderedd resin by volume percentage, and the method includes the following steps: firstly, aerogel, resin and additive are mixed by volume percentage; secondly, the mixed materials are delivered into a melting-extruder melt and extrude; thirdly, the extrudate is pressed into thin sections; fourthly, the thin sections are ground into small pieces by roller machine; fifthly, the small pieces are conveyed into an air staged milling equipment to grind, so as to obtain the powder coating. The powder coating containing aerogel of the invention has advantages of environmental protection, clearness, economy, high efficiency, and good heat insulation property, sound insulation property and surface hydrophobicity.
Owner:HARBIN INST OF TECH

Method for preparing polyaramide resin modified by aromatic heterocycle and chloromonomer

The present invention discloses process of producing aromatic heterocycle and chlorated monomer modified polyaramide resin. Monomers including paraphthaloyl chloride and p-phenylene diamine in the calculated equivalents and 2-(4-aminophenyl)-5(6) aminophenyl benzimidazole in 20-80 % the calculated equivalent are synthesized inside NMP / CaCl2 solvent system into high molecular weight resin through one two-step process including the first reaction between partial paraphthaloyl chloride and all the p-phenylene diamine to form amido group terminated low molecular weight oligomer and the subsequent reaction between the rest paraphthaloyl chloride and the amido group terminated low molecular weight oligomer to form the high molecular weight resin. The aromatic heterocycle and chlorated monomer modified polyaramide resin has the advantages of high fireproof performance, high mechanical strength and low cost.
Owner:四川华通特种工程塑料研究中心有限公司

Single-coating type matt transferring aluminum-plating paint and preparation method thereof

The invention relates to single-coating type matt transferring aluminum-plating paint and a preparation method thereof; the coating comprises the following ingredients by weight parts: 10-20 parts of main resin, 0-10 parts of auxiliary resin, 70-80 parts of dissolving solvent, 0.5-2 parts of matt powder, 0.2-0.5 part of white increasing powder, 0-0.5 part of dispersing accessory ingredient, 0-0.5 part of leveling agent, 0-0.5 part of defoaming agent, 0-0.5 part of anti-scuffing agent; after the materials are prepared, 90 percent of the dissolving solvent, the main resin, the auxiliary resin, the leveling agent, the anti-scuffing agent and the defoaming agent are arranged in an agitated reactor and are stirred for reaction, the matt powder, the white increasing powder and the remaining 10 percent of the dissolving solvent are added in another dispersing cylinder and are mixed and stirred to obtain the product. Compared with the prior art, the production cost is low, the paint is beneficial to environment protection, the production efficiency is improved, water and electrical energy consumption is reduced, the printing performance of the product is good, and the luster is stable.
Owner:SHANGHAI WEIKAI CHEM

Can coatings, methods for coating can and cans coated thereby

Compositions for coating food cans comprising a film-forming resin and an amine-terminated polyamide are disclosed. Food cans coated with such a coating, and methods for coating food cans, are also disclosed.
Owner:PPG IND OHIO INC

Method of preparing low temperature solidifying environment protection type cathode electrophoresis coating

The invention discloses an environment-friendly cathode electrophoretic coating with a low heating loss and low solvent content which can be cold cured. The method includes following steps and craft conditions: (1) preparation of curing agent and modification of mainbody resin. The curing agent is prepared by reaction of isocyanate, ketoximes solvent and trimethylolpropane so as to produce multifunctional group for closing the isocyanate curing agent. The whole reaction of mainbody resin modification includes chain extension reaction of epoxide resin, ring-opening reaction of amine and polyamide to the epoxide resin, the preparation of semi enclosed isocyanate and grafting reaction steps; (2) preparation of the catalytic curing agent slurry; (3) preparation of cathode electrophoretic coating latex and color paste. The invention improves the epoxide resin stability, reduces the resin curing temperature, and declines the heating loss of the dope and the discharge of the solvent. It applies extracting method in the latex producing process to reduce the solvent content so as to produce a environment-friendly cathode electrophoretic coating which can be cold cured.
Owner:佛山科富科技有限公司

Hydrocarbon flame resistant intumescent coating and preparation method thereof

The invention relates to a fireproof coating and its preparation method. The provided hydrocarbon flame resistant intumescent coating has good adhesion to steel base materials and concrete substrates, fire prevention and thermal resistance capacity up to 3 hours, a low density as well as excellent flexibility, and can tolerate harsh climatic conditions. The intumescent coating consists of component A and component B that are in a weight ratio of 2.5-3.5:1. The component A comprises the following components (by weight part): 20-40 of epoxy resin, 5-25 of modified resin, 5-20 of a foaming sweller, 5-25 of a catalyst, 10-30 of a flame retardant, 5-10 of an assistant, 10-30 of a pigment filler, and 5-15 of a carbonization reinforcing agent. The component B comprises the following components (by weight part): 20-60 of a curing agent, 5-10 of an assistant, and 20-50 of a pigment filler.
Owner:XINHE NEW MATERIALS CO LTD

Poly(ester amide) filler blends for modulation of coating properties

Provided herein is a PEA polymer blend and coatings or implantable devices formed therefrom. The PEA polymer blend is formed of a PEA polymer and a material capable of hydrogen bonding with the PEA. The PEA polymer blend can form a coating on an implantable device, one example of which is a stent. The coating can optionally include a biobeneficial material and / or optionally with a bioactive agent. The implantable device can be used to treat or prevent a disorder such as one of atherosclerosis, thrombosis, restenosis, hemorrhage, vascular dissection or perforation, vascular aneurysm, vulnerable plaque, chronic total occlusion, claudication, anastomotic proliferation for vein and artificial grafts, bile duct obstruction, ureter obstruction, tumor obstruction, and combinations thereof.
Owner:ABBOTT CARDIOVASCULAR

High temperature insulating mould coating

The invention relates to a high temperature insulating coating, comprising thermal- resistant resin, solvent, and nano-porous packing material and hollow microsphere inorganic packing material. The thermal- resistant resin comprises more than one thermal- resistant polymer, nano-porous packing material possesses nano- micropore structure, and the hollow microsphere inorganic packing material is hollow sphere.
Owner:IND TECH RES INST

Foaming powder coating

Then invention discloses a foaming powder coating, belonging to the electrostatic coating powder coatings technical field. The coating is prepared by melting extrusion hybrid method from the following materials in weight portions: resin of 40 to 60 portions, curing agent of 0 to 24 portions, pigment and filler of 40 to 60 portions, foaming agent of 1 to 15 portions, flame retardant of 1 to 5 portions, and flow agent of 1 to 5 portions. The invention has the advantages of non-toxicity and harmlessness, no solvent contained, green and environmental protection; the coating can be directly coated on metal plates and easily operated; the foaming expansion layer has good decorative effect and high mechanic strength; the foaming powder coating of the invention can be used to produce building material products with heat insulation, heat preservation, fire proof, and sound proof effects; the building material products are economic, environmental protective, poisonless, harmless and flame retardant.
Owner:XUZHOU ZENITH COATING

Water-based heat transfer printing release coating, and preparation method and application thereof

InactiveCN104403544ASolve the hardnessSolve the shortcomings of poor scratch resistancePolyurea/polyurethane coatingsThermographyWater basedEpoxy
The invention belongs to the technical field of preparation of release coatings and discloses a water-based heat transfer printing release coating, and a preparation method and application thereof. The water-based heat transfer printing release coating comprises the following ingredients by mass percent: 40-60 percent of water-based resin, 8-15 percent of a coalescing agent, 0.3-2 percent of a scratch-resistant anti-wear agent, 0.05-0.2 percent of a foam killer, 0.2-0.6 percent of other additives and the balance of water, wherein the water-based resin is at least one of polyurethane resin, polyacrylic acid resin, polycarbonate, polymide resin, polyethersulfone resin, epoxy resin, thermoplastic polyester resin, a styrene-maleic anhydride copolymer and phenolic resin. According to the invention, application of the water-based formula to preparation of the water-based heat transfer printing release coating is realized, the material prescription is environment-friendly, and the preparation process is safe and environment-friendly. Compared with a conventional solvent product, the water-based heat transfer printing release coating is better in heat resistance, high in glossiness and better in printing ink adhesion, effectively enhances the printing ink protecting function and can be kept colorful in a long term.
Owner:GUANGZHOU HUMAN CHEM

Methods of forming a passivation layer

In a composition of forming a passivation layer, the composition includes about 30 to about 60 percent by weight of a mixed polymer resin formed by blending polyamic acid and polyhydroxy amide, about 3 to about 10 percent by weight of a photoactive compound, about 2 to about 10 percent by weight of a cross-linking agent and an organic solvent. The passivation layer formed by using the composition has superior mechanical and physical properties, in which disadvantages of polyimide and polybenzoxazole are compensated by mixing both materials.
Owner:SAMSUNG ELECTRONICS CO LTD
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