45results about How to "High pencil hardness" patented technology

A hard coat film of the present invention comprises a hard coat layer, which is a cured coat layer, provided on at least one side of a transparent plastic film substrate, wherein a hard coat layer forming material comprises urethane acrylate (A); isocyanuric acid acrylate (B) and inorganic ultrafine particles (C), and has a high hardness and suppresses curling due to cracking and cure shrinkage.

A base, an intermediate layer and an outermost layer are sequentially laminated. The intermediate layer has a Martens hardness of 120 N / mm2 or more; outermost layer has an- elastic modulus recovery ratio of 70% or more; and surface of outermost layer is provided with microrelief structure that has pitch not more than the wavelength of visible light. A method for producing the multilayer structure, comprises an active energy ray curable resin composition having a polymerizable functional group arranged on a light-transmitting base, and active energy ray irradiation carried out, forming an intermediate layer with rate of reaction of the polymerizable functional group in the surface is 35-85% by moleStep; an active energy ray curable resin composition (Y) arranged between the intermediate layer and a mold for microrelief structure transfer Step; and second active energy ray irradiation is carried out from the base side, to form an outermost layer.

The invention provides a preparation method of an amide self-emulsifying water-borne epoxy resin curing agent. The preparation method comprises the steps of synthesis of an acylamino polyamine long chain, synthesis of a self-emulsifying water-borne epoxy resin curing agent and the like. The molecular structure of the amide self-emulsifying water-borne epoxy resin curing agent prepared through the preparation method contains both a hydrophilic acylamino polyamine long chain structure and an oleophilic bisphenol A resin structure, but does not contain polyether long chains or organic acids; the acylamino polyamine long chain structure enables a paint film to be good in the performances of flexibility, resistance to acid and base, and the like, and the water resistance of the paint film is improved and the application field of water-borne epoxy resin is widened since the polyether long chains and organic acids are not contained; moreover, the crosslinking density of the paint film is high, and the paint film is extremely high in pencil hardness by virtue of the polyamine structure.

Provided is an optical layered body having excellent blocking resistance. The optical layered body includes a triacetyl cellulose substrate and a hard coat layer, the hard coat layer having fine surface roughness that has an average PV roughness Rtm of 2.2 to 11.5 nm, a base roughness depth R3z of 2.5 to 13.5 nm, and a ten-point average roughness Rz of 2.6 to 13.5 nm, and satisfy the relation Rtm<R3z≦Rz.

A hardcoat comprising a host matrix, a nanoporous filler in which the dispersed phase is a gas, and nonporous nanoparticles. Also, coating and curable compositions useful for preparing the hardcoat, methods of preparing the hardcoat and compositions, articles comprising the hardcoat or composition, and uses thereof.

The invention relates to a modified waterborne epoxy resin / nano SiO2 composite hydrophobic coating and a preparation method. The hydrophobic coating takes amino silicone oil modified waterborne epoxyresin as a base material, and hydrophobic coatings with different hydrophobicity are prepared by simply adjusting the addition amount of fluorinated SiO2 nano powder. The preparation method comprisesfollowing three steps: 1) modifying pretreated nano SiO2 by using 1H,1H,2H,2H-perfluorooctyltriethoxysilane (FAS) to obtain fluorinated nano SiO2, 2) modifying waterborne epoxy resin by using amino silicone oil, and 3), compounding the fluorinated nano SiO2 with the modified waterborne epoxy resin to prepare the hydrophobic coating. According to the preparation method, a bifunctional silane coupling agent is used for modifying the nano SiO2, so that the treated base material has extremely low surface energy and extremely poor wettability. The amino silicon oil can enable the base material to have a certain degree of water resistance. The preparation method is simple in process, the coating has good hydrophobicity and lipophobicity, and the mechanical property is also improved.

The invention relates to a quick self-drying modified raw lacquer and a preparation method thereof. The modified raw lacquer is prepared by adding reactive emulsifiers of different types into a raw lacquer emulsion and uniformly dispersing, wherein the reactive emulsifiers account for 1.0-15.0% by mass of the modified raw lacquer. The preparation method provided by the invention is simple in process, easy to operate and free of pollution. The obtained product can be stably stored, and the film performance is remarkably improved. Not only is the drying time remarkably shortened, but also the physical and mechanical properties of the film such as pencil hardness, glossiness and flexibility and the like are remarkably improved. The product is green and environment-friendly and can be widely applied to coating industrial equipment, cultural relics and apparatuses and living accessories.

The present invention is a curable resin composition comprising a copolymer (A) represented by the following general formula (1), silica fine particles (B), a reactive monomer (C) and a polymerization initiator (D). In the general formula (1), X is an atomic group formed by removing “k” mercapto groups from a multifunctional thiol compound having at least “k” mercapto groups; Y is a monovalent organic group derived from a copolymer formed by copolymerizing unsaturated monomers; and “k” is an integer of 3 to 10. The present invention can provide a hard coat agent which has low curing shrinkage and which has both low curing shrinkage and antiblocking properties as needed; a hard coat film and a hard-coat treated plastic substrate having high pencil hardness and low curling properties, by using this hard coat agent.XS—Y)k  (1)

The present invention provides an active energy ray-curable composition characterized by containing: an active energy ray curable compound (A); a fluorine compound (B) having a structure in which a cyclo polysiloxane structure is bonded to both terminals of a poly(perfluoroalkylene ether) chain via a divalent coupling group, and in which a (meth) acryloyl group is bonded to the cyclo polysiloxane structure via a divalent coupling group; a reactive silica (C1); and a non-reactive silica (C2). The active energy ray-curable composition can provide a cured coating film exhibiting high lead hardness and superior scratch resistance, antifouling properties, and lubricity.

The invention provides waterborne polyurethane. The waterborne polyurethane provided by the invention contains an R2 structure, so that when a membrane-forming agent prepared by utilizing waterborne polyurethane as a raw material is applied to preparation of an anticorrosive paint, a membrane of the obtained anticorrosive paint has relatively high pencil hardness and is relatively compact, so that the non-corrosibility is improved.

A hardcoat film including a support and a hardcoat layer, in which the support contains a resin as a main component, a film thickness of the hardcoat layer exceeds 20 μm, the hardcoat layer contains a structure derived from a compound which has one alicyclic epoxy group and one ethylenically unsaturated double bond group and has a molecular weight equal to or less than 300, and a structure derived from a compound which has 3 or more ethylenically unsaturated double bond groups, a radical polymerization initiator and a cationic polymerization initiator.

The invention discloses an epoxy mortar and a terrace coating. The epoxy mortar is prepared from the following components in parts by weight: 1.7-2 parts of component A, 0.8-1 part of component B and4-6 parts of component C, wherein the component A is prepared from the following raw materials in parts by weight: 80-90% of epoxy resin, 5-10% of diluent, 1-3% of defoamer, 3-5% of rheological agentand 1-3% of surfactant; the component B is prepared from the following raw materials in parts by weight: 90-95% of curing agent and 5-10% of accelerant; the component C is prepared from the followingraw materials in parts by weight: 60-80% of quartz sand, 10-20% of abrasive aggregate and 5-15% of filler. The epoxy mortar has the advantages of stable performance and excellent water resistance, chemical resistance, abrasion resistance, compressive strength, anti-impact performance, binding strength and the like.

The invention provides a paint composition which contains a polyurethane paint and white carbon black, wherein the mass of the white carbon black accounts for 2% to 10% of the mass of the paint composition; the white carbon black is nano white carbon black obtained by a vapor phase method; the particle diameter of the white carbon black is between 30nm and 80nm; and a silane coupling agent containing amino groups or an aluminic acid ester containing the amino groups is bonded on the surface of the white carbon black. The invention further provides a painted member prepared by utilizing the paint composition. The white carbon black can be stably diffused in the paint composition. In addition, a paint layer formed by coating the paint composition has the high pencil hardness.

Disclosed herein are water-based coatings that include an aqueous self-crosslinking system that includes water and an acrylate resin, and a silane adhesion promoter selected from at least one amino-functional silane and at least one oxysilane selected from a mono-, di-, tri-, and tetra-functional oxysilane. After the water-based coatings are applied to a substrate and cured, they form decorative and protective coatings (an exemplary substrate is glass). The coatings may provide a wide range of color finishes with superior chemical and mechanical resistance.

A hardening resin coating consists of resin coating on substrate and complex micro-grain which is dispersed into the resin coating, grain size is 1-20 micron and hard micro-grain is added into resin coating. It can eliminate warping.

The invention discloses a water-based damping coating for automobiles, and the water-based damping coating is composed of the following components by weight: 40-60 parts of an aqueous emulsion, 12-20parts of plant fiber, 6-14 parts of graphite, 30-40 parts of calcium carbonate, 3 to 5 parts of a dispersing agent, 4 to 7 parts of a defoaming agent, and 18 to 26 parts of water. Compared with the prior art, the water-based damping coating has the following advantages: the plant fiber is added to increase the ductility and the crack resistance of the whole water-based damping coating and enhancethe connectivity among the components in the water-based damping coating, the damping coefficient of the water-based damping coating is enhanced, s the low temperature impact resistance of the water-based damping coating can be enhanced, and the added graphite greatly enhances pencil hardness on the surface of the water-based damping coating. The water-based damping coating has low volatile organic compounds and meets the requirements of environmental protection.

[Problem] To provide: a photosensitive resin composition which is cured by radiation and exhibits excellent wear resistance, antifouling properties, marker pen ink wiping-off properties, fingerprint wiping-off properties and low refractive index, and which provides low reflectance in cases where the photosensitive resin composition is used for an antireflection film; and an antireflection film which has a cured coating film of this photosensitive resin composition. [Solution] A photosensitive resin composition for an antireflection film that is characterized in that a low refractive index layer contains an acrylate, a colloidal silica, and an organic modified dimethyl polysiloxane having an acryloyl group and an acrylate-modified perfluoropolyether that serve as surface modification agents; and an antireflection film which is obtained by curing the photosensitive resin composition.

The invention belongs to the technical field of UV (ultraviolet) curing materials, and particularly relates to a vegetable oil-based flame-retardant polyurethane acrylate prepolymer as well as a preparation method and application thereof. The preparation method comprises the following steps: reacting epoxy vegetable oil with diethyl phosphorus acetic acid to prepare bio-based phosphorus-containing polyol, reacting amino siloxane with hydroxyl acrylate to prepare a silicon-containing monomer, and reacting the hydroxyl acrylate, the bio-based phosphorus-containing polyol, the silicon-containing monomer and diisocyanate to prepare the vegetable oil-based flame-retardant polyurethane acrylate prepolymer. According to the invention, green and environment-friendly phosphorus and silicon elements are introduced into the molecular chain of the vegetable oil-based polyurethane acrylate prepolymer, so that the cured film has good flame retardant property, the defect that the traditional vegetable oil-based high polymer material is easy to burn can be overcome, and the application range of the bio-based high polymer material can be expanded.

The invention relates to an infinitely hot-bendable polyester protective film as well as a preparation method and application thereof. The protective film comprises a surface protective film layer, a high-wear-resistance anti-fingerprint hardened layer, an infinite polyester base film, a high-viscosity pressure-sensitive adhesive layer and a release film layer which are sequentially attached. The polyester protective film disclosed by the invention is high in light transmittance and low in haze, does not affect an under-screen fingerprint unlocking function, has excellent AF water drop angle screen fitting property, is good in hot bending and shaping effect, and does not warp when being attached to the edge of a curved screen; the surface of the base film has high pencil hardness, wear resistance, scratch resistance, fingerprint resistance and high smoothness; the film is relatively good in wettability and exhaust property when being attached to the screen, and is not easy to leave fingernail imprint. The protective film has the advantages of simple structure, low requirements on polyester base film coating equipment, easiness in realization of process parameters, wide applicability, few production procedures and low cost.

The invention relates to an anti-reflection film and a display device. The anti-reflection film comprises a base material, and a hardened coating, a high-refractive-index coating, a low-refractive-index coating and an anti-fingerprint coating which are sequentially laminated on one side of the base material, the hardened coating is prepared from the following raw materials: first polyurethane acrylic resin, dipentaerythritol hexaacrylate, first polar functional group modified inorganic particles, a first initiator and a first organic solvent. The coating components of the anti-reflection film and the coatings have a synergistic effect, so that the anti-reflection film has low reflectivity and high wear resistance at the same time.

Provided is a two-stage curable laminate characterized in that a layer containing a high-hardness resin (B) is disposed on at least one surface of a resin layer (A) containing a polycarbonate resin (a1), a coating layer (Z) is disposed on the layer containing the high-hardness resin (B), and conditions (i) to (iii) above are satisfied.

Provided is a simple method for manufacturing a film laminate (100) having a print layer, the film laminate having high pencil hardness and suppressed curling. This method for manufacturing a film laminate having a print layer includes: forming a hard coat layer (20) on one surface of a base material film (10); forming a print layer (30) on another surface of the base material film; laminating a protective film (40) having a heat shrinkage rate in a conveyance direction of 0.1% or less on the surface of the hard coat layer; and heating and drying the print layer while a protective film is laminated thereon.

The invention relates to a quick self-drying modified raw lacquer and a preparation method thereof. The modified raw lacquer is prepared by adding reactive emulsifiers of different types into a raw lacquer emulsion and uniformly dispersing, wherein the reactive emulsifiers account for 1.0-15.0% by mass of the modified raw lacquer. The preparation method provided by the invention is simple in process, easy to operate and free of pollution. The obtained product can be stably stored, and the film performance is remarkably improved. Not only is the drying time remarkably shortened, but also the physical and mechanical properties of the film such as pencil hardness, glossiness and flexibility and the like are remarkably improved. The product is green and environment-friendly and can be widely applied to coating industrial equipment, cultural relics and apparatuses and living accessories.

Provided is a two-stage curable laminate characterized in that a layer containing a high-hardness resin (B) is disposed on at least one surface of a resin layer (A) containing a polycarbonate resin (a1), a coating layer (Z) is disposed on the layer containing the high-hardness resin (B), and conditions (i) to (iii) above are satisfied.

To provide a polycarbonate resin having an excellent hue and high heat stability, and a production method and a film thereof.The polycarbonate resin has a carbonate constituent unit represented by the following formula (A), wherein the resin contains a terminal group represented by the following formula (1) or (2) and 0.1 to 500 ppm of an aromatic monohydroxy compound.(In the formula (1), R1 is an alkyl group having 6 to 15 carbon atoms which may be substituted.)(In the formula (2), R2 and R3 are each independently an alkylene group having 1 to 12 carbon atoms which may be substituted. R4 is a hydrogen atom or alkyl group having 1 to 12 carbon atoms which may be substituted. n is an integer of 1 to 20.)

The invention discloses a UV-curable high-functionality resin and a preparation method thereof. The structural formula of the UV-curable high-functionality resin is disclosed in the specification, wherein R is the residual part of the epoxy resin E-51 after removing epoxy groups on both ends, and R1 is the residual part of 4,4'-diphenylmethane diisocyanate or the like after removing isocyanate groups on both ends. The preparation method comprises the following steps: preparing epoxy acrylic resin, preparing isocyanate-pentaerythritol triacrylate addition product, adding the isocyanate-pentaerythritol triacrylate into the obtained epoxy acrylic resin, stirring for 20-30 minutes, adding a catalyst A, and reacting for 2-3 hours while controlling the temperature at 80-85 DEG C, thereby obtaining the UV-curable high-functionality resin. The UV-curable high-functionality resin has the characteristic of high degree of crosslinking reaction during curing, the pencil hardness of the curing product is 7-9H, and the curing product has the characteristics of high hardness, high pencil scratch resistance and the like.