39results about How to "Reduce mold release" patented technology

An end-modified soluble polyfunctional vinyl aromatic copolymer, which is improved in heat resistance, thermal stability, solvent solubility, and compatibility with acrylate compounds, and a curable resin composition using the same are disclosed. The end-modified soluble polyfunctional vinyl aromatic copolymer is obtained by allowing a divinyl aromatic compound (a), a monovinyl aromatic compound (b), and an aromatic ether compound (c) to react with each other, and has, at an end, an end group derived from the aromatic ether compound and having an acrylate bond. The copolymer has a number average molecular weight Mn of 500 to 100,000, an introduction amount (c1) of the end group derived from the aromatic ether compound satisfies (c1)≧1.0 (group / molecule), a molar fraction a′ of a structural unit derived from the divinyl aromatic compound and a molar fraction b′ of a structural unit derived from the monovinyl aromatic compound in the copolymer satisfy 0.05≦a′ / (a′+b′)≦0.95. Besides, the curable resin composition includes the copolymer and an unsaturated acrylate monomer.

The invention discloses an expansion polymerization imprinting glue for nano-imprinting. Raw materials required for the preparation of the expansion polymerization imprinting glue comprise a low polymer and an expansion monomer. Compared with the prior art, after the expansion polymerization imprinting glue for nano-imprinting is introduced in the expansion monomer, the expansion monomer can be polymerized with the low polymer, the volume change of the impressing glue after polymerization can be adjusted, and thus the volume shrinkage after the imprinting glue is cured is reduced or even eliminated; and the imprinting glue with zero curing shrinkage or volume expansion can be obtained by adjusting the content of the expansion monomer. The imprinting glue can effectively reduce the residual stress in a micro-nano figure, and the generation of figure defects in the nano-imprinting demolding process caused by the residual stress is reduced while accurate figure copying is realized.

There is provided an imprint material that allows a resin film to be readily released from a mold at the time of mold release after curing, that is, an imprint material that forms a film having a low mold release property as well as high transparency, high scratch resistance, and a high fingerprint wiping-off property; and a film which is formed from the material and to which a pattern is transferred. An imprint material including: a (A) component: a compound having a propylene oxide unit and two polymerizable groups or a compound having a propylene oxide unit, an ethylene oxide unit, and two polymerizable groups; a (B) component: a silicone compound; and a (C) component: a photopolymerization initiator.

The invention discloses a glass coating equipment, which comprises an upper horizontal plate, a lower horizontal plate and a vertical support plate, a coating processing device is arranged on the end of the upper horizontal plate away from the suction fan; a coating roller is fixed between the connecting blocks, A coating solution adding device is provided above the coating roller; bristles are provided on the receiving plate, and the end of the coating solution tube away from the receiving plate is connected to a coating solution tank, and a threaded ring layer is arranged in the coating solution tank. A thread extruding plate is movably arranged in the thread circle layer, a rotating motor is arranged on the rotating plate, and a plurality of telescopic stirring rods are arranged on the support column. The invention provides glass coating equipment. The built-in cleaning and dust removal device can ensure that there is no impurity on the glass before coating, and reduce the phenomenon of pinholes or demoulding after coating. Stir the coating solution while discharging the liquid evenly to prevent precipitation. The operation linkage is simple and the effect is good.

Provided are a molding apparatus and method for manufacturing a fiber-reinforced composite material molded article that exhibits superior molded article releasability and superior abrasion resistancein areas of molded surfaces that have been imparted with releasability, and are capable of suppressing reductions in releasability. The fiber-reinforced composite material molding apparatus (101) comprises a mold (130) for molding a fiber-reinforced composite material, in which a fiber-reinforced base material is impregnated with a resin composition, to obtain a fiber-reinforced composite materialmolded article. Some or all cavity surfaces (113a), (123a) of the mold (13) have a surface free energy of 25.0 mJ / m<2> or less as measured via a three-liquid method. It is preferable that some or allof the cavity surfaces (113a), (123a) be injection surfaces through which fluorine and / or silicon are injected.

Provided is a mold release composition, with which it is possible to form a transparent coating on the surface of which a photoresist cannot be readily deposited. Also provided is a surface protective film having a coating formed from the cured product of the mold release composition. The mold release composition comprises a binder resin, a silicone oil, and a metal alkoxide hydrolysis product. Preferably the metal alkoxide hydrolysis product content is 50 to 500 parts by weight per 100 parts by weight of binder resin. Preferably the metal alkoxide consists of tetraethoxysilane or tetramethoxysilane. The surface protective film is obtained by forming a coating of the cured product of the mold release composition on a substrate.

The invention belongs to the field of polyvinyl chloride (PVC) glove production and relates to a PVC glove production device. The device comprises a hand mold rail line and a glove production device, wherein the hand mold rail line is positioned above the glove production device; the glove production device comprises a PVC material groove, a PVC material dripping section, a PVC plasticizing forming device, a polyurethane (PU) material groove, a PU drying device, a PVC glove hemming device and a demolding device in turn; and the PVC plasticizing forming device and the PU drying device are connected with a heat supply boiler. The device is characterized in that: a hand mold cleaning device and a hand mold drying device are arranged in turn between the demolding device and the PVC material groove; the PVC material groove is provided with a viscosity detection adjusting device; and a PU washing device and a washing drying device are arranged in turn between the PU drying device and the PVC glove hemming device. The device has high automation degree and good effect of forming PVC gloves; moreover, the product is easy to demold, and stickness or damage hardly appears in the demolding process, so that the glove quality is ensured.

The invention discloses a spray-coating release agent for artificial stone production, a preparation method and a use method thereof, which comprise the following raw materials: polyvinyl alcohol, paraffin, hydrotalcite powder, magnesium silicate, aluminum magnesium silicate, zinc oxide, Magnesium Hydroxide, Teflon, Cellulose, Xanthan Gum, Sodium Tripolyphosphate, Sodium Carbonate, Modified Camellia Oil, 1-Dodecyl-3-Methylimidazole Nitrate, Octadecylsuccinic Acid Dipotassium monoamide sulfonate, the release agent is made through steps such as dissolving polyvinyl alcohol and mixing with additives. The method of use is to spray the mold release agent on the surface of the artificial stone production mold, and after natural drying and curing, an anti-bonding coating is formed on the surface of the mold. The present invention uses polyvinyl alcohol, paraffin, modified camellia oil, 1-dodecyl-3-methylimidazole sodium nitrate, and dipotassium octadecylsuccinic acid monoamide sulfonate as the reinforcement system, which has a synergistic effect , synergistically shorten the drying and film forming time, shorten the production cycle and improve the efficiency.

An OLED display device, comprising a sequentially stacked substrate, an OLED unit, an optical coupling layer, and an encapsulation layer for encapsulating the OLED unit, the optical coupling layer is made of an inorganic material suitable for light extraction, and is directly formed on the on the OLED unit. A method for preparing an OLED display device includes: S1, preparing an OLED unit on a substrate; S2, forming an optical coupling layer on the OLED unit by depositing an inorganic material; S3, forming an encapsulation layer on the optical coupling layer to encapsulate the OLED unit. The OLED display device and the preparation method of the OLED display device provided in this embodiment increase the adhesion between the optical coupling layer and the encapsulation layer by preparing the optical coupling layer from inorganic materials, and solve the problem that the optical coupling layer is easily damaged, so that When the OLED display device is bent, the phenomenon of defilming of the optical coupling layer and the encapsulation layer is reduced, and the bending reliability of the OLED display device is improved.

A polycarbonate resin composition (1) comprising (B) 0.01 to 0.25 parts by mass of a silicone compound and (C) an aliphatic compound having 12 to 22 carbon atoms with respect to 100 parts by mass of the (A) polycarbonate resin. 0.015 to 0.25 parts by mass of ester of carboxylic acid and glycerin, the sodium content in the above-mentioned component (B) is 15 mass ppm or less, or the polycarbonate resin composition (2), wherein, with respect to 100 parts by mass of (A), contains (B) 0.01 to 0.25 parts by mass and (C) 0.015 to 0.25 parts by mass, the modification rate of component (C) is 30% or less; and the molded polycarbonate resin composition (1) or (2) obtained Taste.

The invention relates to a reducing piled force-expanding type oil cylinder opening-closing device. In the invention, a short-stroke large-cylinder-diameter flat oil cylinder is connected between a piston rod and a cross arm of a power oil cylinder, wherein the piston rod of the flat oil cylinder is connected with the piston rod of the power oil cylinder, and a close hole end cover of the flat oil cylinder is connected with the cross arm. The using method comprises the following steps of: filling hydraulic oil into an inlet-outlet oil hole of a piston cavity of the flat oil cylinder to ensure that oil enters the piston cavity and the piston rod is in a fixed state; acting on the close hole end cover of the flat oil cylinder by the piston cavity after the oil enters the piston cavity to ensure that the close hole end cover pushes the cross arm and a pull rod pulls a metal die core, wherein because the sectional area of the piston cavity of the flat oil cylinder is an odd number times that of the piston cavity of the power oil cylinder, under the action of several times of pulling force, the metal die core and an outer die of a metal die form a die opening and core pulling distance space; and then filling oil into the piston cavity of the power oil cylinder to finish the overall die opening and core pulling action of the metal mold. The invention is applied to a metal die core pulling and demoulding casting process, reduces the shut-down waste caused by the braking of the metal die core, saves the resources and improves the working efficiency.

The invention provides an aluminum alloy lead frame and a manufacturing method thereof. The lead frame provides an aluminum alloy substrate with an upper surface and a lower surface opposite to each other. A reflective composite layer is arranged on the upper surface. The reflective composite layer comprises a first intermediate layer, a functional layer, and a reflective layer in order. The firstintermediate layer is arranged between the aluminum alloy substrate and the functional layer, and a welding composite layer is arranged on the lower surface thereof. The welding composite layer comprises a second intermediate layer, a welding layer, and a second protective layer in order. The second intermediate layer is arranged between the aluminum alloy substrate and the welding layer to acquire an aluminum alloy lead frame. According to the invention, the binding force of the functional layer and the welding layer with the aluminum alloy substrate is improved, so that the problems of pooradhesion of the film layers of a general aluminum alloy substrate and poor reflectivity of the existing copper alloy lead frame are improved; the application value is improved; and furthermore, the lead frame with advantages in price and weight is provided.

The invention discloses PVC (polyvinyl chloride) pellets special for ultrahigh-transparency hard medical injection molding apparatuses. The PVC pallets comprise, by weight, 100 parts of polyvinyl chloride resin with the degree of polymerization being 700, 3.0-4.0 parts of methacryIate-Butadiene-Styrene copolymer, 1.5-2.0 parts of methacrylate processing aid, 2.0-2.2 parts of methyltin mercaptide heat stabilizer, 2.0-2.3 parts of butyl dodecanoate lubricant, 0.2-0.3 part of stearic acid, 0.1-0.25 part of oxidized polyethlene wax and trace indigo pigment. The finished products are prepared by means of feeding the components into a high-speed heating mixer according to the proportion for high-speed mixing, performing kneading to the temperature of 123-125 DEG C prior to discharging, putting the discharged material into a low-speed cooling mixer to be cooled to room temperature to obtain mixed powder, feeding the mixed powder into a pelletizer for pelletizing, and cooling the pellets to the temperature lower than 40 DEG C prior to packaging. The medical injection molding apparatuses made of the PVC pellets have ultrahigh transparency and surface glossiness.