21 results about "Polymethylmethacrylate resin" patented technology

The invention relates to an alcohol-resistant and heat-resistant PMMA (polymethyl methacrylate) composite material and a preparation method thereof, and belongs to the technical field of high polymer materials. The alcohol-resistant and heat-resistant PMMA composite material is prepared from the following components in parts by weight: 30 to 60 parts of acrylonitrile-acrylate-styrene copolymer, 30 to 60 parts of polymethyl methacrylate resin, 1 to 5 parts of compatilizer, 1 to 3 parts of carbon black, 0.1 to 1.5 parts of antioxidant, 0.1 to 2 parts of lubricant, 1 to 5 parts of modified heat-resistant agent and 1 to 3 parts of modified flame retardant, the alcohol-resistant and heat-resistant PMMA composite material prepared by the invention not only has good heat-resistant and aging-resistant effects, but also has an excellent flame-retardant effect.

The invention discloses an ethanol-resistant, spraying-free and high-brightness black ASA / PMMA material and a preparation method thereof. The preparation method of the material comprises the following steps: 1) weighing 50-60% of polymethyl methacrylate resin, 10-20% of styrene-acrylonitrile resin, 0.5-1.5% of an antioxidant and 0.1-0.5% of a lubricant, adding into a high-speed mixer, uniformly mixing, and adding the mixed material into a main feeding port; 2) weighing 20%-30% of acrylonitrile-styrene-acrylate resin, 5%-15% of flexibilizer, 1%-2% of light stabilizer and 1%-2% of toner; and quantitatively adding from a side feeding port of an extruder, and melting, homogenizing, extruding and granulating by the extruder to obtain a final product. The alcohol-resistant, spraying-free and high-brightness black ASA / PMMA resin prepared by the invention has high-brightness black appearance and alcohol resistance, can be used as an outer part without paint spraying, has alcohol resistance, can be used for ornaments which can be in contact with various alcohol-containing cleaning agents, such as bumper decoration strips, rearview mirror shells, grilles, automobile lamp peripheral decoration strips, side skirt ornaments and the like, and has the advantages of simple preparation process and low cost. The material can also be used for shells of electronic and electrical equipment such as kitchen appliances.

Prepared is a laminate including: a first layer formed of a first resin composition containing a first resin; and a second layer formed of a second resin composition containing a second resin, the first layer and the second layer being in contact with each other and integrated. The first resin includes an alicyclic polyamide resin having 20 mmol / kg or greater of amino groups, and the second resin includes an acid-modified (meth)acrylic resin. The second resin may have 100 mmol / kg or greater of carboxyl groups. The acid-modified (meth)acrylic resin may be an acid-modified polymethylmethacrylate resin. An average thickness of the first layer may be 0.15 times or more of an average thickness of the second layer. The average thickness of the first layer may be 200 μm or greater. When a weight is dropped onto the second layer side, the laminate may have a DuPont impact strength of 500 N / inch or greater. The laminate has excellent transparency, lightness, light resistance, and impact resistance.

This invention provides a high-gloss black, high-heat-resistant, and easily moldable polymethyl methacrylate (PMMA) composition and its preparation method. The composition comprises the following components in parts by weight: 40-75 parts of polymethyl methacrylate (PMMA) resin, 5-20 parts of toughening agent, 5-30 parts of SAN resin, 10-20 parts of heat resistant agent, 0.5-2 parts of release agent, and 1-5 parts of processing aid. This invention adds appropriate amounts of St-AN-MAH type heat resistant agent and MSAN resin, which synergistically improve the heat resistance of the material. Simultaneously, the addition of palmitic acid improves the material's molding properties. The addition of ACR type toughening agent enables the preparation of a PMMA material that combines toughness, high gloss blackness, high heat resistance, and easy molding, expanding the application range of this material and enabling its widespread use in new energy vehicles.

Provided is a thermoplastic resin composition including, based on 100 parts by weight of a base resin including (A) 15 to 25 wt % of an acrylate-based rubber-modified graft copolymer, and (B) 75 to 85 wt % of a polymethyl methacrylate resin including 0.5 to 3 wt % of a methyl acrylate-derived component, (C) 0.1 to 1 part by weight of an anthraquinone-based dye; and (D) 0.1 to 0.5 parts by weight of a multifunctional radical scavenger.

The invention relates to a visible-light-cured high-rigidity and high-wear-resistance PMMA alloy material and a preparation method thereof. The visible-light-cured high-rigidity and high-wear-resistance PMMA alloy material is specifically prepared from the following raw materials in parts by weight: 60-80 parts of polymethyl methacrylate (PMMA) resin, 10-20 parts of polycarbonate (PC) resin, 2-8 parts of vinyl ester resin, 3-10 parts of molybdenum disulfide powder, 1-3 parts of a photosensitive aid and 1-3 parts of styrene oxide. The preparation method has the beneficial effects that visible light (390-780 nm) is adopted to initiate free radical reaction of vinyl ester resin, and a three-dimensional net-shaped macromolecular chain structure obtained through crosslinking is introduced into a surface layer of the PMMA alloy material, so that the surface rigidity of the PMMA alloy material is improved, the effect of fixing an inorganic powder-molybdenum disulfide lamellar structure in the PMMA alloy material can be achieved, and the service life of the PMMA alloy material is prolonged. The prepared PMMA alloy material has the characteristics of reducing the wear volume and improving the wear resistance of a resin material, and the obtained PMMA alloy material has very excellent performance in various surface characteristic tests such as surface hardness, scratch resistance, friction coefficient, wear quality, wear resistance grade and the like.

The invention relates to the technical field of high polymer materials, and discloses a polymethyl methacrylate composition and a preparation method thereof, and the polymethyl methacrylate composition is prepared from the following raw materials in parts by weight: 100 parts of polymethyl methacrylate resin, 0.2-3.2 parts of a Lewis acid center provider, 0.2-3.2 parts of a multifunctional bridging ligand, and 0.1-1.1 parts of a competitive replacement aid. The preparation method comprises the step of carrying out melt blending on the components. According to the invention, through the synergistic effect of the Lewis acid center provider and the multifunctional bridging ligand, a dynamic reversible supramolecular network is constructed in a polymethyl methacrylate matrix, and the structure of the supramolecular network effectively improves the impact toughness, rigidity and thermal deformation temperature of the material. The technical problem that toughness, rigidity, heat resistance and processability of a traditional polymethyl methacrylate material are difficult to consider at the same time is solved, and the polymethyl methacrylate composition with excellent comprehensive performance is prepared.

The application provides a polymethyl methacrylate product and a preparation method thereof. The preparation method of the polymethyl methacrylate product comprises the following steps: S1. mixing a resin matrix, a toughening agent, an antioxidant and a light stabilizer to obtain a mixture; the resin matrix comprises a polymethyl methacrylate resin; the toughening agent comprises a core-shell structure toughening agent and a polyester-based toughening agent; the core-shell structure toughening agent comprises a core and a shell layer; the core comprises polybutyl acrylate, and the shell layer comprises polymethyl methacrylate; S2. melt blending, extruding and granulating the mixture, and drying, injection molding, cooling and annealing. In the application, the core-shell structure toughening agent and the polyester-based toughening agent can synergistically improve the toughening effect.

The present invention provides a composition for forming modified polymethyl methacrylate, a composition for forming the same, and a high-barrier water vapor reflective film made thereof. The above-mentioned composition for forming modified polymethyl methacrylate includes polymethyl methacrylate resin, polyketone resin and intercalated modified mica powder. The inventors found that by blending the intercalated modified mica powder with polymethyl methacrylate resin and polyketone resin, on the one hand, the modified polymethyl methacrylate (modified PMMA) formed thereby has good weather resistance, density, wear resistance, tensile strength, etc., and is conducive to reducing the probability of its breakage and pulverization; on the other hand, by mixing in a polyketone resin with better water vapor barrier performance, the modified PMMA also has excellent water vapor barrier performance and extends its service life. On this basis, compared with the existing PMMA, the modified PMMA formed by using the above-mentioned composition has excellent water vapor barrier properties, weather resistance, wear resistance and tensile strength.

The light control sheet has a first transparent electrode layer; a second transparent electrode layer; a light control layer, which is a light control layer sandwiched by the first transparent electrode layer and the second transparent electrode layer, includes a transparent polymer layer containing a plurality of voids and a liquid crystal composition containing liquid crystal molecules and filled in the plurality of voids; and a plurality of spacers in the light control layer. Each spacer is formed of polymethyl methacrylate resin.

The invention relates to the technical field of expandable polymethyl methacrylate, in particular to an expandable polymethyl methacrylate resin production method and device.The production device comprises a frame shell, a pair of side plates, a vertical rod and a plurality of screening nets, the frame shell is arranged above a supporting frame, and the section of the frame shell is in an inverted U shape; the two side plates are symmetrically installed on the two sides in the frame shell in a limiting mode, the end faces of the two sides are in sliding fit with the inner side surface of the frame shell, the frame shell and the side plates form a screening drying box, and the vertical rod is vertically arranged in the frame shell and located between the two side plates. The screening and drying processes are integrated through the screening drying box, the number of devices is reduced, the device cost and occupied space of a production line are reduced, meanwhile, materials are prevented from being transferred among multiple devices, the production period is shortened, hot air is conveyed from the bottom of the screening drying box through the hot air drying system, and heat flow upwards flows in the screening drying box; and the materials are fully contacted with the dynamically-rolled materials, so that the drying uniformity and efficiency are improved.

One aspect of the present specification provides an eco-friendly semi-noncombustible exterior material including: a core part (10) formed by impregnating a paper or fabric base with a triazole-modified phenolic resin; an outer skin (20) formed by impregnating a paper substrate with a melamine resin and joined to at least one surface of the core part; and a UV film (30) formed on at least one surface of the outer skin, and containing a polymethyl methacrylate resin.

The invention discloses a spraying-free high-heat-resistance weather-resistant ASA / PMMA (Acrylonitrile Styrene Acrylate / Polymethyl Methacrylate) material and a preparation method thereof. The material is prepared from the following components: 50 to 70 parts of polymethyl methacrylate (PMMA) resin, 20 to 40 parts of acrylonitrile-styrene-acrylate (ASA) resin, 10 to 20 parts of styrene-maleic anhydride copolymer (SMA) resin, 0.5 to 1.5 parts of antioxidant, 1 to 2 parts of light stabilizer, 0.1 to 0.5 part of lubricant and 1 to 2 parts of toner. The prepared spraying-free high-heat-resistance weather-resistant ASA / PMMA resin combines the advantages of ASA and PMMA, has excellent surface gloss and hardness, high heat resistance and good long-term weather resistance, can be directly used for manufacturing high-grade automobile exterior trimming parts without spraying, and is particularly suitable for parts such as grids, stand columns, rear protectors and peripheral trimming parts thereof.

The invention relates to the technical field of high polymer materials, and discloses a PMMA / ASA alloy material as well as a preparation method and application thereof. The PMMA / ASA alloy material is prepared from the following raw materials: polymethyl methacrylate resin, an acrylonitrile-styrene-acrylate copolymer, polyarylester, a heat-resistant agent, acrylate rubber, color master batch, carbon black master batch and an antioxidant. According to the PMMA / ASA alloy material provided by the invention, the polyarylester, the heat-resistant agent and the acrylate rubber are added, so that the impact toughness and the heat resistance of the material are synergistically improved, the tensile strength of the material can reach 58MPa, the Izod impact strength can reach 12kJ / m < 2 >, the heat deformation temperature can reach 96 DEG C, and the impact toughness and the heat resistance are balanced and are both at a better level; and through a main body material and color master batch homogenization treatment mode, the surface blackness and glossiness of the material are effectively improved, so that the material has a relatively good appearance effect without being sprayed.

The present disclosure relates to a multilayered transparent soundproof panel comprising: a core layer containing a polycarbonate (PC) resin, a UV stabilizer, an antioxidant, and a flame retardant; and a surface layer formed on one or both surfaces of the core layer and containing a polymethyl methacrylate (PMMA) resin, a UV stabilizer, a slip agent, an antioxidant, and a chemically resistant antioxidant.

The invention relates to the technical field of high polymer materials, in particular to a preparation method of a chemical-resistant, high-transparency and low-haze polymethyl methacrylate resin composition, which comprises the following steps: firstly, preparing phenyl-acryloyloxy organic silicon emulsion, then adding an emulsifier, an initiator and a mixed monomer containing acrylate and a grafting cross-linking agent, and uniformly stirring to obtain the chemical-resistant, high-transparency and low-haze polymethyl methacrylate resin composition. The preparation method comprises the following steps: preparing phenyl-acryloyloxy organic silicon modified acrylate copolymer emulsion, and then adding an initiator and methyl methacrylate to prepare phenyl-acryloyloxy organic silicon / acrylate / methyl methacrylate grafted copolymer emulsion.

The invention relates to the technical field of plastics, in particular to a plastic alloy material for a vehicle-mounted cover plate as well as a preparation method and application of the plastic alloy material. The material is prepared from a polybutylene terephthalate end group reconstruction-hydrolysis-resistant stable master batch, acrylonitrile-styrene-acrylate terpolymer resin, polymethyl methacrylate resin, a secondary interface construction master batch, epoxy functionalized polyhedral oligomeric silsesquioxane and a light stabilizer UV-622. Through the introduction of secondary interface construction master batch, the lauroyl / succinic acid double-grafted beta-cyclodextrin graft and the reaction compatibilizer have a synergistic effect, so that the compatibility and the interface bonding force of the multiphase polymer are effectively improved, and phase separation is inhibited. A sectional feeding reactive extrusion process is adopted for preparation, so that uniform distribution of functional aids is ensured. The material has excellent weather resistance, hydrolysis resistance, mechanical strength and surface durability, and solves the problems of easy yellowing, fogging, surface cracking and the like of the vehicle-mounted cover plate.

To provide a toner for electrostatic charge image development excellent in suppression of photoreceptor fog under high temperature and high humidity.SOLUTION: An electrostatic charge image developing toner containing toner base particles and an external additive, wherein the toner base particles contain a polyester resin and a polymethyl methacrylate-based resin, the polyester resin contains an aromatic moiety and / or an unsaturated double bond, and a content of the polymethyl methacrylate-based resin is 5 parts by mass or more and 45 parts by mass or less with respect to 100 parts by mass of the polyester resin.SELECTED DRAWING: None

To provide a sliding molded article which exhibits superior slidability and reduced generation of chatter noise, and a sliding resin composition employed for producing the molded article.SOLUTION: A sliding resin composition wherein, with respect to 100 pts.mass of a vinyl chloride-based resin comprising 25-75 mass% of vinyl chloride resin and 75-25 mass% of crosslinked vinyl chloride resin, there are contained 5-30 pts.mass of silicone powder and 3-20 pts.mass of resin beads having an average particle size of 5-80 μm comprising a polymethyl methacrylate resin or the like.SELECTED DRAWING: None

The present application relates to the technical field of cable insulation materials, specifically a pressure-resistant, crack-resistant, and fire-resistant cable insulation material and its preparation method, comprising: uniformly mixing polypropylene, 3-methacryloxypropyltrimethoxysilane, acrylonitrile-butadiene-styrene resin, modified polymethyl methacrylate resin, a flame retardant, and a cross-linking catalyst, heating and plasticizing to a molten state, injecting supercritical carbon dioxide as a foaming agent, and uniformly mixing the foaming agent with the molten composite material; placing a composite mesh layer skeleton into a mold cavity, pouring the molten composite material uniformly mixed with the foaming agent, foaming and molding, pressing, and electron irradiation treatment to obtain a pressure-resistant, crack-resistant, and fire-resistant cable insulation material. By selecting specific raw materials for combination and adopting a specific preparation method, the pressure-resistant, crack-resistant, and fire-resistant cable insulation material has good pressure resistance, crack resistance, and fire resistance while maintaining good insulation performance.

The invention provides an anti-blue-light additive, anti-blue-light polymethyl methacrylate resin and a preparation method and application of the anti-blue-light additive and the anti-blue-light polymethyl methacrylate resin, and belongs to the technical field of optical polymers. And then reacting with an unsaturated alkene monomer with carboxyl, and carrying out re-modification. The anti-blue light polymethyl methacrylate copolymer is prepared from the following raw materials in parts by mass: 80 to 98 parts of methyl methacrylate, 3 to 18 parts of methyl acrylate and 0.2 to 3 parts of an anti-blue light additive. The problem that the blue light absorbent is difficult to uniformly disperse in a polymer matrix is solved, optical performance reduction and blue light prevention effect weakening caused by agglomeration are avoided, the polymethyl methacrylate resin has an excellent blue light prevention effect, and meanwhile, high light transmittance and low haze are kept.