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Multi-functional plastic masterbatch and preparation method thereof

A plastic masterbatch, multifunctional technology, applied in the field of multifunctional plastic masterbatch and its preparation, can solve the problems of barrel and screw wear, low filler addition, long processing time, etc., so as to reduce processing costs and increase filling capacity. , to avoid the effect of crumbs or powder

Inactive Publication Date: 2012-07-25
GUANGZHOU SUPER DRAGON ENG PLASTICS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current studies mainly have the following deficiencies: ①The amount of filler added is low, the same filler treatment requires longer processing time, and the resin with the same amount of filler needs more filler masterbatches, and the cost is high; ②For color For finished products, additional toner needs to be added to increase the process; ③The current processing technology still has dust during the high-speed stirring process, and when the high-stirred antimony trioxide powder is directly extruded and granulated by twin-screw due to The finer powder content is higher, it is difficult to feed, and it will cause greater wear to the barrel and screw

Method used

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  • Multi-functional plastic masterbatch and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Proportion according to the following mass percentage composition: talcum powder 75% (5 μm, Guangxi Longsheng Co., Ltd.), homopolypropylene (PPH) 12% (brand EP500N, China Sea Shell Petrochemical Company), inorganic toner 8.8% (commercially available ), polyethylene wax 4% (commercially available conventional models), antioxidants 1010 and 168 each 0.1% (Swiss Ciba). After the above materials are accurately weighed, PPH, toner, polyethylene wax and antioxidant are added to the pressurized tumbling internal mixer, and the temperature in the internal mixing chamber is controlled at 150°C, the rotor speed is 40r / min, and the internal mixing time is After the material is melted, add the talcum powder into the internal mixer three times, with an interval of 3 minutes between feeding each time; after adding all the materials, banbury for 5 minutes. The rubber head after the above-mentioned internal mixing is transported to the hopper of the single-screw extruder through the co...

Embodiment 2

[0025] Proportion according to the following mass percentage composition: calcium carbonate 80% (2μm, Foshan Taidi Co., Ltd.), homopolypropylene (PPH) 10.8% (brand EP500N, China Ocean Shell Petrochemical Company), inorganic toner 7% (commercially available ), polyethylene wax 2% (commercially available conventional models), antioxidants 1010 and 168 each 0.1% (Swiss Ciba). After the above materials are accurately weighed, PPH, toner, polyethylene wax and antioxidant are added to the pressurized tumbling internal mixer, and the temperature in the internal mixing chamber is controlled at 150°C, the rotor speed is 40r / min, and the internal mixing time is After the material is melted, add calcium carbonate to the internal mixer three times, with an interval of 3 minutes between feeding each time; after adding all the materials, banbury for 5 minutes. The rubber head after the above-mentioned internal mixing is transported to the hopper of the single-screw extruder through the conv...

Embodiment 3

[0027] Proportion according to the following mass percentage composition: barium sulfate 85% (3μm, Hunan Jinghuang Company), random copolymerized polypropylene (PPR) 10% (brand R370Y, Korea SK Company), inorganic toner 3% (commercially available) , polyethylene wax 1% (commercially available conventional models), antioxidants 1010 and 168 0.5% each (Swiss Ciba). After accurately weighing the above materials, add PPR, toner, polyethylene wax and antioxidant into the pressurized tumbling internal mixer, control the temperature in the internal mixing chamber to 150°C, the rotor speed to 40r / min, After the material is melted, add barium sulfate to the internal mixer three times, with an interval of 3 minutes between each feeding; after adding all the materials, banbury for 5 minutes. The rubber head after the above-mentioned internal mixing is transported to the hopper of the single-screw extruder through the conveyor belt, and the rubber head is cut into pieces by the cutter in t...

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Abstract

The invention discloses a multi-functional plastic masterbatch and a preparation method thereof. The multi-functional plastic masterbatch comprises the following compositions in percentage by weight: 75-90% of inorganic fillers, 3-14% of carrier, 1-10% of pigment toners, 1-5% of dispersing agent and 0.5-2% of ntioxidant. The multi-functional plastic masterbatch disclosed by the invention has the characteristics of easiness for dispersion, high flame retardant efficiency and low production cost.

Description

technical field [0001] The invention relates to a multifunctional plastic masterbatch and a preparation method thereof. Background technique [0002] Filling modification is an important aspect of polymer modification. On the one hand, it can reduce the cost of materials, and on the other hand, it may improve some properties of materials (such as heat resistance, dimensional stability, etc.). Filling modification generally uses inorganic fillers, mainly calcium carbonate, talcum powder, wollastonite, barium sulfate, etc. However, these fillers exist in the form of powder, which is prone to generate a large amount of dust pollution during the process of weighing, mixing, and granulation, which will deteriorate the production environment, cause great harm to human health, and cause a certain degree of wear and tear on processing equipment. If it can be turned into resin-like particles, it will fundamentally solve this problem. Therefore, the use of resin carriers to bond and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/14C08L23/06C08K3/26C08K3/34C08K3/30B29B7/00B29C47/92B29C48/92
Inventor 任萍
Owner GUANGZHOU SUPER DRAGON ENG PLASTICS
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