High-gloss scraping-resistant filling PP resin and preparation method thereof

A kind of resin, scratch-resistant technology, applied in the field of PP resin, can solve the problem that the scratch resistance, flame retardancy and surface gloss of PP resin cannot be improved at the same time, so as to improve the scratch resistance and surface gloss , easy processing, and the effect of improving flame retardancy

Active Publication Date: 2012-05-30
滁州格美特科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the scratch resistance, flame retardancy and surface gloss of PP resin cannot be simultaneously improved in the above-mentioned prior art, and to provide a kind of PP resin with convenient

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 4

[0034] 35 parts by weight of homopolymerized PP, 58 parts by weight of superfine magnesium hydroxide (D50 is 0.6um), 7 parts by weight of amide compatibilizer, 0.1 part by weight of hindered phenolic primary antioxidant, phosphite secondary antioxidant Add 0.1 parts by weight of agent and 2 parts by weight of calcium carbonate into a high-speed mixer and mix well; after the mixing is complete, the materials are sent into the twin-screw extruder through a precision metering feeding device, and the temperature in each zone is 170-240 ° C. Fully fused under shearing, mixing and conveying, and finally made into pellets after extrusion, drawing and cooling.

Embodiment 5

[0036] 80 parts by weight of high crystalline PP, 20 parts by weight of superfine magnesium hydroxide (D50 is 1.5um), 3 parts by weight of silicon-based compatibilizer, 1 part by weight of hindered phenolic primary antioxidant, phosphite secondary antioxidant Add 1 part by weight of agent and 20 parts by weight of color masterbatch into a high-speed mixer and mix well; after the mixing is complete, the material is sent into the twin-screw extruder through a precisely metered feeding device, and the temperature in each zone is 180-230 ° C. Fully fused under shearing, mixing and conveying, and finally made into pellets after extrusion, drawing and cooling.

Embodiment 6

[0038] 25 parts by weight of homopolymerized PP, 34 parts by weight of high crystallization PP, 35 parts by weight of ultrafine magnesium hydroxide (D50 is 1.0um), 6 parts by weight of amide compatibilizer, 0.45 parts by weight of hindered phenolic primary antioxidant, 0.55 parts by weight of phosphite secondary antioxidant, and appropriate amounts of commercially available stabilizers, release agents, nucleating agents, and antistatic agents, added to a high-speed mixer and fully mixed evenly; The material is fed into the twin-screw extruder, and the temperature in each zone is 180-230°C. The material is fully fused under the shearing, mixing and conveying of the screw, and finally it is extruded, drawn, and cooled to make pellets.

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Abstract

A high-gloss scraping-resistant filling PP resin comprises the following components: 35-80 parts by weight of PP resins; 20-60 parts by weight of ultrafine magnesium hydroxide; 3-7 parts by weight of compatilizers; and 0.1-2 parts by weight of anti-oxidants. When the invention is compared with the prior art, ultrafine magnesium hydroxide is added into PP resins, which not only maintains original excellent performance of PP resins, but also increases the scraping-resistance and surface gloss of PP resins, and improves the flame retardancy; and the PP resin of the invention has a series of outstanding advantages of high gloss, environmental protection, scraping-resistance, and the like.

Description

technical field [0001] The invention relates to a PP resin, in particular to a high-gloss and scratch-resistant PP resin, and a preparation method thereof. Background technique [0002] Polypropylene (PP) resin is not only light in weight and relatively low in price, but also has good chemical corrosion resistance, heat resistance, balanced mechanical properties and excellent processability, so it is widely used in home appliances, automobiles , electronic appliances and other fields, in the increasingly fierce market competition, PP resins are gradually replacing some general-purpose plastics with higher prices. However, with the development of society and the improvement of people's quality of life, higher and higher requirements are put forward for the materials used. Due to the poor surface gloss, scratch resistance and flame retardancy of PP resins, to a certain extent limits the scope of its application. [0003] At present, the most common method to improve the scra...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L23/14C08K13/02C08K3/22
Inventor 强伟丽
Owner 滁州格美特科技有限公司
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