287results about "Polycarbonate coatings" patented technology

To provide a film that well maintains oil repellent properties even when used continuously in a high temperature environment.SOLUTION: A film contains: resin; and a siloxane compound that has a structure A of the formula [RSiO1.5]n (in the formula, R represents an organic group, and n represents an integer of 2 or more), wherein at least one R of a plurality of Rs present in the structure A is a group including an alkyl group, and the difference in the solubility parameter (SP value) between the resin and the structure A is 3.0 or less in terms of absolute value. The film has a surface free energy of 40 mJ / m2 or less.SELECTED DRAWING: None

The invention relates to the technical field of flame retardance, and discloses a flame-retardant coating and a preparation method thereof.The flame-retardant coating is obtained by adding phenolic resin, polycarbonate, phosphorus-containing modified phenolic resin, boric acid-containing benzoxazine, an organic silicon resin defoaming agent, a propylene glycol film-forming agent and water into a stirrer and stirring. The flame-retardant coating contains a large amount of anacardol, long chains in the anacardol can also be crosslinked to form a net-shaped structure, a net-shaped carbon skeleton structure is formed under high-temperature carbonization, degradation products are inhibited during combustion, and the flame-retardant coating has good fire resistance; wherein oxazolidinone generated by reaction of an epoxy group of epoxidized phenolic resin and an isocyanate group of hexamethylene diisocyanate is a heterocyclic ring with very high heat resistance and also plays a role in synergistic fire resistance; the flame-retardant coating contains a large amount of phosphorus elements, sulfur elements and nitrogen elements, has a good flame-retardant effect, and achieves a synergistic flame-retardant effect.

To provide a thermoplastic resin composition for fused deposition modeling, capable of obtaining a modeled body which is excellent in modeling performance and antistatic performance, which can be colored into various colors, and which has diverse design properties, a modeled body which is obtained with the thermoplastic resin composition by fused deposition modeling, and which not only is excellent in antistatic performance and but also has excellent design properties by coloration, and a method for producing the modeled body. A thermoplastic resin composition for fused deposition modeling, containing 3 to 45 parts by mass of one or more kinds of a polymeric compound (G) having the following polyether segment (A) and polymer segment (B), based on 100 parts by mass of a thermoplastic resin:Polyether segment (A): a polyether segment derived from a compound (a) having one or more ethyleneoxy groups and having a hydroxyl group at each of both ends;Polymer segment (B): one or more polymer segments selected from the group consisting of a polyester segment (D) and a polyamide segment (E).

The invention provides a sound insulation coating, sound insulation glass and a preparation method thereof. The sound insulation coating comprises the following components in percentage by weight: 15%-35% of a high-molecular polymer, 3%-12% of an inorganic filler, 1%-10% of a cellulose dispersion liquid, 55%-70% of a solvent, 0.1%-1% of an auxiliary agent and 0.5%-1% of a coupling agent, wherein the inorganic filler comprises a hollow inorganic filler; the cellulose dispersion liquid comprises bacterial cellulose dispersion liquid and / or cellulose nanofiber dispersion liquid. The invention further provides sound insulation glass which is provided with a sound insulation coating formed by the sound insulation coating. The sound insulation coating provided by the invention has the advantages of light weight, good sound insulation, good weather resistance and the like, so that the sound insulation coating is suitable for sound absorption and noise reduction of vehicle glass such as automobile glass.

A film contains a siloxane compound having a structure A of Formula: [RSiO1.5]n (provided that in the formula, R represents an organic group and n represents an integer of 2 or more), where at least one R in the structure A has a group including an alkyl group, in which a surface free energy is 40 mJ / m2 or less.

A film contains a resin and a siloxane compound having a structure A represented by Formula: [RSiO1.5]n (provided that in the formula, R represents an organic group and n represents an integer of 2 or more), where at least one R among plural R's in the structure A is a group including an alkyl group and a difference in solubility parameter (SP value) between the resin and the structure A is 3.0 or less in terms of an absolute value, and surface free energy is 40 mJ / m2 or less.

The invention relates to the technical field of coatings, and discloses a charge transport wear-resistant coating for a photosensitive drum and a preparation method thereof.The charge transport wear-resistant coating for the photosensitive drum comprises a solvent, resin, a charge transport material and carbon nanotube modified silicone oil, and the components are mixed to prepare the charge transport wear-resistant coating for the photosensitive drum. According to the present invention, the electrical property and the wear resistance of the coating material are improved by using the carbon nano-tubes and the quaternary ammonium salt structure contained in the intermediate 3, and the disiloxane structure contained in the intermediate 3 and octamethylcyclotetrasiloxane are subjected to hydrolytic condensation to form the huge cross-linked network structure so as to further improve the wear resistance of the coating material. Then the surface of the photosensitive drum is coated with the coating, the wear resistance can be improved through the coating, the problems that an existing charge transmission coating is poor in wear resistance and the requirement for high wear resistance of the photosensitive drum is difficult to meet are solved, the requirement for high wear resistance of the charge transmission coating can be met, and the service life of the photosensitive drum is prolonged.

A film contains a resin and a siloxane compound having a structure A represented by Formula: [RSiO1.5]n (provided that in the formula, R represents an organic group and n represents an integer of 2 or more), where at least one R among plural R's in the structure A is a group including an alkyl group and a difference in solubility parameter (SP value) between the resin and the structure A is 3.0 or less in terms of an absolute value, and surface free energy is 40 mJ / m2 or less.

Provided are a novel ultraviolet absorber that has an excellent absorbing property for UV-A or UV-B, furthermore specifically absorbs only ultraviolet ray at a specific wavelength, and is capable of being used for general purposes, and an ultraviolet absorbing resin excellent in bleed-out resistance in addition to the characteristics described above. The ultraviolet absorber is a fluorene compound represented by the general formula (1) or a resin comprising the fluorene compound as a constituent unit.

The invention discloses a carbon dioxide-based polyurethane coating and a preparation method thereof, and belongs to the technical field of coating materials. The carbon dioxide-based polyurethane comprises the following components in parts by weight: 100 parts of carbon dioxide-based polyurethane, 0.1-5 parts of a catalyst and 0-30 parts of an auxiliary agent, wherein the carbon dioxide-based polyurethane comprises a component A and a component B; the component A comprises block copolymerized polycarbonate diol, any polycarbonate polyol and any polyether diol; and the component B is diisocyanate. By accurately controlling the molar ratio of the polycarbonate diol to the isocyanate, the water resistance and the corrosion resistance are remarkably improved while good mechanical properties are maintained.

To provide a polyol composition excellent in coating stability even after storage.SOLUTION: The polyol composition contains a polyol (A), a basic substance (B), and a metal catalyst (C) and has a pH of 7-10. The polyol (A) contains a polycarbonate polyol and has a weight average molecular weight of 8,000 or less and a hydroxyl value of 30-300 mg KOH / g.SELECTED DRAWING: None

Disclosed is a resin composition which contains a copolymer that comprises a constituent unit represented by general formula (1) and 0.3 to 20.0% by mole (inclusive) of a constituent unit represented by general formula (2). (In general formula (1) and general formula (2), R1 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; L1 and L2 each independently represent a single bond or an alkylene group having 1 to 3 carbon atoms; and X1 represents a reactive group selected from among groups represented by structural formula (2-1) and structural formula (2-2).)

A film, a member, a transfer device, a fixing device, and an image forming apparatus. The film includes: a resin; and a siloxane compound having a structure A represented by formula [RSiO1.5] n (wherein R represents an organic group and n represents an integer of 2 or more). The present invention relates to a film which is characterized by having a plurality of structures (A) (wherein R represents a group containing an alkyl group), at least one of the plurality of R present in the structure (A) being a group containing an alkyl group, the difference in solubility parameter (SP value) between the resin and the structure (A) being 3.0 or less in absolute value, and the surface free energy of the film being 40 mJ / m2 or less.

The invention discloses a high-impermeability geomembrane and a preparation method thereof, and belongs to the technical field of building materials. The geomembrane comprises a base material layer and a rough surface layer, wherein the base material layer is prepared from the following raw materials in parts by weight: 45 to 60 parts of polyethylene, 15 to 20 parts of ethylene-vinyl acetate copolymer, 10 to 30 parts of carbon black color master batch, 10 to 15 parts of modified mica sheet, 0.5 to 2 parts of antioxidant and 0.5 to 3 parts of dispersing agent; the modified mica sheet is prepared by the following steps: adding a mica sheet into deionized water, heating and stirring, adjusting the pH value to 5-6, adding a lanthanum chloride solution, continuously stirring and reacting for 2-3 hours, adjusting the pH value to 8-9, adding an anionic surfactant, stirring, centrifugally washing, drying in vacuum to constant weight, grinding and sieving to obtain the modified mica sheet. The geomembrane prepared by the invention has the advantages of high impermeability, good mechanical properties, weather resistance, high temperature resistance, durability and the like, and the preparation method has the characteristics of environmental friendliness, energy saving and time saving.

The invention relates to the field of polymer composite materials, and discloses a heat-conducting thin polymer-based composite material containing one-dimensional aluminum nitride and a modifier thereof and a preparation method of the heat-conducting thin polymer-based composite material, and the composite material is composed of a polymer matrix and a one-dimensional aluminum nitride heat-conducting filler located in the polymer matrix. In the invention, by introducing the one-dimensional aluminum nitride filler and the modifier thereof, the comprehensive performance of the thin polymer-based composite material is remarkably improved, and the one-dimensional aluminum nitride filler forms an efficient heat-conducting network penetrating through the upper and lower surfaces in a polymer matrix by virtue of the one-dimensional morphology and large length-diameter ratio characteristics in a single-crystal or polycrystal state, so that the heat conductivity of the thin polymer-based composite material is improved. The high-temperature side and the low-temperature side of the composite material can be directly bridged to form an efficient heat conduction path, so that the heat resistance is greatly reduced, rapid heat conduction is realized, and the overall heat conduction capability of the material is remarkably improved; meanwhile, the strength, toughness, elasticity and flexibility of the thin polymer-based composite material are greatly improved; the steric hindrance effect of the one-dimensional morphology has the effects of preventing segregation, preventing cracking and inhibiting oil leakage.

The invention discloses a polycarbonate-based non-isocyanate polyurethane ultraviolet curing coating and a preparation method of the polycarbonate-based non-isocyanate polyurethane ultraviolet curing coating. The photocureable coating is prepared from the following components: 10 to 60 percent of polycarbonate acrylate, 5 to 20 percent of urethane acrylate, 10 to 60 percent of reactive diluent, 1 to 5 percent of photoinitiator and 0 to 60 percent of solvent. Comprising the following steps: (1) reacting polycarbonate diol with methacrylic anhydride to obtain polycarbonate acrylate; (2) carbonating the allyl glycidyl ether by using carbon dioxide to obtain corresponding five-membered cyclic carbonate, and reacting with diamine to obtain urethane acrylate; and (3) uniformly mixing the obtained product with a reactive diluent and a photoinitiator to obtain the ultraviolet curing coating. The polycarbonate-based non-isocyanate polyurethane ultraviolet curing coating obtained by the invention is a biodegradable environment-friendly coating, a non-isocyanate polyurethane synthesis route is adopted, the use of isocyanate is avoided, and the coating shows excellent flexibility and pencil hardness on a PC (polycarbonate) base material.

To provide a method for manufacturing a laminated sheet which is excellent in interlayer adhesion between a fiber layer and a resin layer, and a method for manufacturing a laminate using the laminated sheet which is obtained by the method for manufacturing the laminated sheet.SOLUTION: A method for manufacturing a laminated sheet having a resin layer (1A) and a fiber layer in this order on at least one surface of a thermoplastic resin base material includes the following steps 1 to 3. Step 1: a step of coating a coating liquid for forming the resin layer (1A) containing a resin and a block isocyanate compound onto at least one surface of the thermoplastic resin base material, drying the coating liquid at a specific temperature, and forming a resin layer (1a). Step 2: a step of coating a coating liquid for forming a fiber layer containing a resin and a fine fibrous cellulose having a fiber width of 1 nm or more and 1,000 nm or less onto a surface opposite to the thermoplastic resin base material of the resin layer (1a), drying the coating liquid at a specific temperature, and forming a fiber layer. Step 3: heating a sheet where the fiber layer is formed at a specific temperature, and forming the resin layer (1A).SELECTED DRAWING: Figure 2

The invention belongs to the technical field of infrared radiation materials, and particularly relates to an infrared radiation material and a preparation method and application thereof. The infrared radiation material comprises a base material layer, a metal layer, an ink layer and a polymer protection layer which are sequentially stacked, the ink layer comprises modified vanadium dioxide; the modified vanadium dioxide is obtained by modifying vanadium oxydichloride by adopting a metal compound. According to the invention, the multi-layer metal layer with high infrared reflection and low infrared radiance is used as the bottom layer, and the multi-layer metal layer shows strong reflection and low absorption effects in mid-infrared and far-infrared bands; infrared rays can penetrate through the ink layer and are reflected on the surface of the metal layer to be less absorbed, the modified vanadium dioxide is added into the ink layer, the phase change temperature can be greatly reduced through doping modification of a metal material in the vanadium dioxide, the phase change is reduced to the room temperature or below, and then the infrared radiance is obviously reduced. And all the layers act together to obtain the infrared radiation material with lower infrared radiance.

The invention relates to the technical field of powder coatings, in particular to a high-brightness noctilucent thermosetting powder coating and a preparation method thereof.The high-brightness noctilucent thermosetting powder coating is prepared from, by weight, 20-30 parts of glycidyl acrylate modified polycarbonate, 15-25 parts of hydrogenated bisphenol A epoxy resin, 15-25 parts of tetraphenol ethane epoxy resin, 2-5 parts of curing agent, 1-2 parts of anti-reflection agent and 1-3 parts of auxiliaries. 6-10 parts of fluorescent powder and 0.5-1 part of an antioxidant; the auxiliary agent comprises a dispersing agent and an anti-settling agent in a weight ratio of (1-3): 1; the preparation method comprises the steps of raw material mixing, stirring, grinding and the like. Through matching of specific raw materials, the brightness of the prepared noctilucent thermosetting powder coating can be improved, the noctilucent thermosetting powder coating has good mechanical strength and yellowing resistance, and the long-term use performance is not affected.

The invention discloses a dual-curing rubbing primer as well as a preparation method and application thereof, and relates to the technical field of coatings. The dual-curing rubbing primer comprises a component A and a component B, the component A is prepared from the following raw materials in parts by weight: 3 to 12 parts of solvent-containing acrylate oligomer, 8 to 17 parts of polyurethane polycarbonate resin, 3 to 12 parts of polyurethane acrylic resin, 3 to 7 parts of bifunctional acrylic monomer, 8 to 22 parts of hydroxyl-containing UV polyurethane resin, 1 to 2 parts of photoinitiator, 0 to 0.5 part of flatting agent and 50 to 60 parts of diluent; the component B is prepared from the following raw materials in parts by weight: 65 to 75 parts of aliphatic polyisocyanate and 25 to 35 parts of solvent. The coating can be stably attached to the surface of the epoxy glass fiber composite board, and is high in adhesive force and good in covering power and boiling resistance.

A material and method are disclosed such that the material can be used to form functional metal pieces by producing an easily sintered layered body of dried metal paste. On a microstructural level, when dried, the metal paste creates a matrix of porous metal scaffold particles with infiltrant metal particles, which are positioned interstitially in the porous scaffold's interstitial voids. For this material to realize mechanical and processing benefits, the infiltrant particles are chosen such that they pack in the porous scaffold piece in a manner which does not significantly degrade the packing of the scaffold particles and so that they can also infiltrate the porous scaffold on heating. The method of using this paste provides a technique with high rate and resolution of metal part production due to a hybrid deposition / removal process.

Provided is a decorative sheet having excellent heat resistance, scratch resistance, and stain resistance. A decorative sheet (1) comprises a raw material layer (2) and a surface protection layer, wherein the surface protection layer is provided on the raw material layer (2), the decorative sheet (1) comprising: a first gloss adjustment layer (5) which includes a cured object of a first ionizing-radiation-curable resin; and a second gloss adjustment layer (6) which partly covers the upper surface of the first gloss adjustment layer (5), includes a cured object of a second ionizing-radiation-curable resin, and has, on the upper surface thereof, a rugged structure in which the ratio RSm / Ra of an average length RSm to an arithmetic average roughness Ra of roughness curve elements is in the range of 10-600, the rugged structure including a plurality of ridge portions each having a protruding ridge shape.

Provided is a laminate which is provided with a base sheet and a metal particle-containing layer that is laminated on the base sheet and contains metal particles, the base sheet having a contact surface that is in contact with the metal particle-containing layer, and the Young's modulus of the base sheet at 23 DEG C as determined by measuring the contact surface by a nanoindentation method being 0.01-10 GPa.

According to the present invention, it is possible to provide a polycarbonate resin that contains a constituent unit (A) derived from a monomer represented by general formula (1), a constituent unit (B) derived from a monomer represented by general formula (2) and a constituent unit (C) derived from a monomer represented by general formula (3). Relative to the total amount of constituent units (A), (B) and (C) that constitute the polycarbonate resin, the proportion of constituent unit (A) is 20-50 mol %, the proportion of constituent unit (B) is 5-20 mol %, and the proportion of constituent unit (C) is 30-75 mol %.

Provided is a polyurethane aqueous dispersion that, when used as an additive for imparting adhesion, can be used to produce adhesives, coatings, and the like that form a cured film (i.e., an adhesive layer) whose physical properties, such as strength, are less susceptible to change even with temperature fluctuations, and has excellent storage stability. The polyurethane aqueous dispersion comprises resin particles formed from a polyurethane having terminal hydroxyl groups and water as a dispersion medium. The polyurethane comprises structural units derived from a polyol including a polyether polyol; structural units derived from a polyisocyanate including an aliphatic polyisocyanate and an alicyclic polyisocyanate; and structural units derived from a polyol containing an acidic group. The polyurethane has an acid value of 40 mgKOH / g or less, and is obtained by reacting a polyisocyanate with a polyol at a ratio of 0.5 ≤ [NCO group / OH group (molar ratio)] ≤ 0.95.

To provide an antifungal molding using a polycarbonate resin excellent in antifungal properties, transparency, heat resistance and moldability.SOLUTION: In the antifungal molding, at least a part of the surface thereof is coated with a polycarbonate resin containing a constituent unit represented by the following formula (1) and having a glass transition temperature of 40°C or higher and 150°C or lower. (In the formula (1), R1 and R2 each independently represent a hydrogen atom or a C1-4 aliphatic hydrocarbon; m is 1-4; and n is 2-150.)SELECTED DRAWING: None

According to the present invention, it is possible to provide a resin composition including: a polycarbonate resin comprising a structural unit represented by general formula (1) (in the formula, R1-R4 and R11-R14 each independently represent hydrogen, fluorine, chlorine, bromine, iodine, etc., a is an integer of 1-1,000, and X represents –S-, etc.); and a carbonate-based organic solvent, wherein the content of the polycarbonate resin in the resin composition is 0.05-50 mass%, the content of the carbonate-based organic solvent in the resin composition is 50-99.5 mass%, and the molar ratio of the total of structural units represented by general formulae (2)-(4) to all the structural units represented by general formula (1) is 0-75%.

A multilayer coating film comprising a first base coating film, a second base coating film, and a transparent coating film, wherein the water-based first base coating composition comprises a glossy pigment and two or more coloring pigments, and the solid content concentration NV1 is 20-35% by mass, wherein the glossy pigment has a PWC (partial wcage) of 20-35%. G1 The PwC of the coloring pigment is 1-25%. C1 The concentration of the water-based second base coating composition is 0.1% to 5.0%, comprising a glossy pigment and two or more color pigments with the same color index name as the color pigments contained in the water-based first base coating composition, and the solid content concentration NV2 is 7% to 30% by mass, wherein the PWC of the glossy pigment is... G2 The PwC of the coloring pigment is 5-35%. C2 The concentration is 0.5% to 20.0%, the ratio of the thickness T1 of the first base coating to the thickness T2 of the second base coating (T1 / T2) is 1.5 / 1 to 5 / 1, the ratio of the solid component concentration NV1 to the solid component concentration NV2 (NV1 / NV2) is 1.3 / 1 to 3 / 1, and the PWC of the glossy pigment is... G1 PWC with the glossy pigment G2 The ratio (PwC) G1 / PWC G2 The PwC of the coloring pigment is 1 / 10 to 1 / 1. C1 PWC with the coloring pigment C2 The ratio (PwC) C1 / PWC C2 The value is 1 / 5 to 1 / 1.

The present application provides a resin composition containing a polycarbonate resin and capable of improving adhesion, and the like. The above technical problem is solved by a polycarbonate resin composition containing: a polycarbonate resin (A) having a structural unit represented by the following general formula (1); and a silane coupling agent (B) represented by the following general formula (2), containing the above silane coupling agent (B) 0.06 parts by mass or more with respect to 100 parts by mass of the polycarbonate resin (A). [In formulae (1) and (2), R 21 ~R 23 , X, Y, m are as described in the specification.]

At least one resin selected from the group consisting of aromatic polycarbonates and polyarylates, said resin characterized by comprising a bond between polymer chains obtained by Diels-Alder reaction.