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Spraying-free, heat-resistant and weather-resistant high-brightness PMMA alloy material and preparation method thereof

An alloy material, spray-free technology, applied in the field of polymer materials, can solve the problems of decreased gloss of PMMA resin, loss of weather resistance, low toughening efficiency, etc., to save the spraying process, reduce energy consumption, and shorten the injection molding cycle. Effect

Active Publication Date: 2017-05-10
ORINKO NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the acrylic toughening agent is used alone, the weather resistance of the material will be lost more, and the toughening efficiency will not be high, and as the addition of the toughening agent continues to increase, the gloss of PMMA resin will decrease significantly.

Method used

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  • Spraying-free, heat-resistant and weather-resistant high-brightness PMMA alloy material and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0025] A spray-free, heat-resistant, weather-resistant high-gloss PMMA alloy material, which is prepared from the following components by weight: PMMA resin: 75 parts, compound toughening agent: 5 parts, heat-resistant agent: 0 parts, light stability Agent: 0.5 part, hindered phenolic antioxidant: 0.5 part, lubricant pentaerythritol stearate: 0.3 part, toner: 1 part.

[0026] Its preparation method comprises the following steps:

[0027] Mix 75 parts of PMMA, 5 parts of compound toughening agent, 0.5 part of hindered phenolic antioxidant, 0.5 part of light stabilizer, 0.3 part of lubricant pentaerythritol stearate, and 1 part of toner, and then add it to the extruder After melting, extrude, cool, air-dry, and pelletize, and then inject in an injection molding machine at a temperature of 230 ° C and a speed of 500 rpm to obtain a spray-free, weather-resistant, weather-resistant high-gloss PMMA alloy material.

Embodiment 2

[0029] A spray-free, heat-resistant, weather-resistant high-gloss PMMA alloy material, which is prepared by weight from the following components: 75 parts of PMMA resin, 20 parts of compound toughening agent, 5 parts of heat-resistant agent, and 0.5 part of light stabilizer , 0.5 parts of phosphite lipid antioxidant, 0.1 part of lubricant N,N-hexylidene bisstearamide, 0.2 part of lubricant oxidized polyethylene wax, and 1 part of toner.

[0030] Its preparation method comprises the following steps:

[0031] 75 parts of PMMA resin, 20 parts of compound toughening agent, 5 parts of heat-resistant agent, 0.5 part of light stabilizer, 0.5 part of phosphite lipid antioxidant, 0.1 part of lubricant N,N-hexene bisstearamide , Lubricant 0.2 part of oxidized polyethylene wax, 1 part of toner, mix evenly, add to the extruder, extrude after melting, cool, air-dry, pelletize, and then in the injection molding machine at a temperature of 240 ℃, Injection molding is carried out at a rotati...

Embodiment 3

[0033] A spray-free, heat-resistant, weather-resistant high-gloss PMMA alloy material, which is prepared by weight from the following components: 75 parts of PMMA resin, 20 parts of compound toughening agent, 5 parts of heat-resistant agent, and 0.3 part of light stabilizer , 0.3 parts of hindered amine antioxidant, 0.1 part of lubricant monoglyceride acid value, 0.1 part of lubricant amide wax, and 1 part of toner.

[0034] Its preparation method comprises the following steps:

[0035] 75 parts of PMMA resin, 20 parts of compound toughening agent, 5 parts of heat-resistant agent, 0.3 part of light stabilizer, 0.3 part of hindered amine antioxidant, 0.1 part of lubricant monoglyceride acid value, 0.1 part of lubricant amide wax 1 part, 1 part of toner, mixed evenly, added to the extruder, extruded after melting, cooled, air-dried, pelletized, and then injected in an injection molding machine at a temperature of 240 ° C and a speed of 500 rpm to obtain Spray-free, heat-resista...

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Abstract

The invention discloses a spraying-free, heat-resistant and weather-resistant high-brightness PMMA alloy material and a preparation method thereof. The spraying-free, heat-resistant and weather-resistant high-brightness PMMA alloy material is prepared from the following components in parts by weight: 70 to 75 parts of PMMA resin, 5 to 20 parts of a compound flexibilizer, 0 to 5 parts of a heat resisting agent, 0.2 to 0.5 part of a light stabilizer, 0.3 to 0.5 part of an antioxidant, 0.2 to 0.3 part of a lubricating agent and 0.5 to 1.0 part of a toner, wherein the compound flexibilizer is prepared by compounding acrylate and organic silicon resin according to a mass ratio of 3 to 1; the heat resisting agent is customized LMPB-g-MAH. By the adding of the crylic acid and organic silicon compound flexibilizer into the PMMA resin, the PMMA resin material is high in impact strength and weather resistance; the heat resisting agent is added into the PMMA resin, the PMMA material is high in heat resistance; therefore, the PMMA material can be molded through one-time injection, and the production efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a spray-free, heat-resistant, weather-resistant high-gloss PMMA alloy material and a preparation method thereof. Background technique [0002] PMMA (polymethyl methacrylate) resin is an important synthetic resin. PMMA resin is the most excellent and relatively affordable variety of synthetic transparent materials so far. It is widely used in instrumentation parts, automobile lights, and optical lenses. , Transparent pipeline. PMMA is light in weight, and its density is lower than that of glass; PMMA has high mechanical strength, and its relative molecular mass is about 2 million. It is a long-chain polymer compound, and the chain forming the molecule is very soft, so its strength is relatively high. It has high tensile and impact resistance, better impact resistance than polystyrene and is not easily broken. PMMA is currently the most excellent polymer transparent mat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L33/12C08L33/04C08L83/04C08L51/04C08L23/30C08K5/20C08K5/103C08K5/101C08K5/3435
Inventor 文听雷高波李荣群邢道亮王少卿
Owner ORINKO NEW MATERIAL CO LTD
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