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Halogen-free environment-friendly flame-retardant polyolefin master batch for replacing bromine-containing flame retardant and preparation method of master batch

A polyolefin and environmental protection technology, applied in the field of replacing bromine-containing flame-retardant halogen-free environmentally friendly flame-retardant polyolefin masterbatch and its preparation, can solve the problems of general defects and lack of masterbatch, and achieve no precipitation and excellent flame retardancy performance, high temperature and high humidity resistance and versatility

Inactive Publication Date: 2016-04-20
SHANGHAI JIEMIAN NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above patents can meet certain requirements on the flame retardancy of the material, they are lacking a lot in terms of additive masterbatch, such as the processing temperature tolerable, the amount of masterbatch added, the dispersibility of the masterbatch, and the There are obvious defects in mechanical properties and versatility

Method used

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  • Halogen-free environment-friendly flame-retardant polyolefin master batch for replacing bromine-containing flame retardant and preparation method of master batch

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A halogen-free environment-friendly flame-retardant polyolefin masterbatch replacing bromine-containing flame-retardant and a preparation method thereof, the following steps are adopted:

[0025] The first step: prepare materials according to the following components and weight: polypropylene T30S100, condensed ammonium phosphate (polymerization degree 1600) 240, melamine cyanuric acid 100, silane coupling agent 2.5, siloxane compound 20, synthetic polyhydroxy compound 2 , Antioxidant 1680.3.

[0026] The second step: fully mix the halogen-free flame retardant polycondensed ammonium phosphate with silane coupling agent and siloxane compound in the mixer, and then pass through the high-speed mixer with the remaining components polypropylene, synergist and antioxidant Mix thoroughly and evenly, add to the co-rotating twin-screw extruder for extrusion and granulation, the temperature of each zone of the twin-screw machine is 170°C-175°C-180°C-185°C-195°C-210°C-210°C-210°C ...

Embodiment 2

[0029] A halogen-free environment-friendly flame-retardant polyolefin masterbatch replacing bromine-containing flame-retardant and a preparation method thereof, the following steps are adopted:

[0030] The first step: prepare materials according to the following components and weight: polypropylene 8002100, polyphosphate (polymerization degree 2000) 300, melamine 100, titanate coupling agent 3, silicone 20, polyhydroxy phosphate oligomer 4 , Antioxidant 10100.8.

[0031] Step 2: Fully mix the halogen-free flame retardant, titanate coupling agent, and silicone in a mixer, and then fully mix with the remaining components polypropylene, synergist, and antioxidant through a high-speed mixer , into the co-rotating twin-screw extruder for extrusion granulation, the temperature of each zone of the twin-screw machine is 170°C-175°C-180°C-185°C-195°C-210°C-210°C-210°C-220°C -220°C-220°C, twin-screw extruder with a screw length-to-diameter ratio of 46, the air-cooled grinding surface ...

Embodiment 3

[0034] A halogen-free environment-friendly flame-retardant polyolefin masterbatch replacing bromine-containing flame-retardant and a preparation method thereof, the following steps are adopted:

[0035] The first step: prepare materials according to the following components and weight: polypropylene T30S100, polyphosphate amine (polymerization degree 1200) 280, melamine hydrobromide 700, silicone oil 20, polyester hydroxyl oligomer 6, antioxidant 10100.2, Antioxidants 1680.3.

[0036] Step 2: Fully mix the halogen-free flame retardant and silicone oil in the mixer, then fully mix with the remaining components polypropylene, synergist, and antioxidant through the high-speed mixer, and add them to the co-rotating twin-screw extruder Extrusion granulation is carried out in the machine, the temperature of each zone of the twin-screw machine is 170°C-175°C-180°C-185°C-195°C-210°C-210°C-210°C-220°C-220°C-220°C, double The screw length-to-diameter ratio of the screw extruder is 42, ...

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Abstract

The invention relates to a halogen-free environment-friendly flame-retardant polyolefin master batch for replacing bromine-containing flame retardant and a preparation method of the master batch. The master batch is prepared from, by weight, 90-100 parts of carrier resin, 200-420 parts of halogen-free flame retardant, 1.5-3 parts of a cladding treatment agent, 65-100 parts of a synergistic agent and 0.1-0.5 part of antioxidant. The preparation method comprises the steps of sufficiently treating the halogen-free flame retardant with the cladding treatment agent, then uniformly mixing the halogen-free flame retardant with the carrier resin, the synergistic agent and the antioxidant, then conducting extraction through a double-screw extruder or a mixer, and cutting the product into granules, so that the halogen-free environment-friendly flame-retardant polyolefin master batch is obtained. Compared with the prior art, the product prepared through the preparation method has more excellent flame retardancy, environmental protection performance and processability, is free of corrosion or precipitation and resistant to high temperature and high humidity, has universality and is quite applicable to shells of small household appliances and electronic and electric products, shells of printed circuit boards, shells of motors, shells of electric control centers and the like.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a halogen-free environment-friendly flame-retardant polyolefin masterbatch which replaces bromine-containing flame-retardant and a preparation method thereof. Background technique [0002] Polyolefin resins usually refer to polymers of ethylene, propylene or higher olefins. They are thermoplastic resins with excellent performance and wide application. They are widely used in films, monofilaments, wires and cables, automobile industry, household appliances, electronics, packaging and building materials, etc. aspect. However, polyolefin resins are sensitive to environmental stress and have poor thermal aging resistance, especially their flammability, which greatly limits their application in certain fields. [0003] The addition of flame retardants can effectively solve the flammability problem of polyolefin resins. Currently, bromine-antimony compound or chlorine-contai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L83/04C08K13/06C08K9/06C08K9/04C08K3/32C08K5/3492C08J3/22
CPCC08L23/12C08J3/226C08J2323/12C08J2423/12C08K3/32C08K5/34924C08K9/06C08K13/06C08K2003/323C08L2201/02C08L2201/08C08L2201/22C08L83/04C08K9/04C08K2003/321C08K5/34922C08K5/34928
Inventor 李海
Owner SHANGHAI JIEMIAN NEW MATERIAL TECH CO LTD
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