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Halogen-free expandable fire retardant fiber glass reinforced polypropylene material and preparation method thereof

A technology of polypropylene material and expansion type, which is applied in the field of composite materials, can solve the problems of not meeting the requirements of flame retardancy and the number of combustion stages, etc., and achieve the effect of widening the scope of use, excellent mechanical properties and strong impact properties

Active Publication Date: 2012-07-18
SHANGHAI RES INST OF CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the halogen-free intumescent flame retardant of glass fiber reinforced PP, when the amount of glass fiber reaches 5%, the combustion order of reinforced PP will not reach UL-94V-0 level, which is far from meeting the requirements of high flame retardancy. field needs

Method used

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  • Halogen-free expandable fire retardant fiber glass reinforced polypropylene material and preparation method thereof
  • Halogen-free expandable fire retardant fiber glass reinforced polypropylene material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1～14 and comparative example 1～2

[0021] See Table 1, according to the data listed in Table 1, the coated ammonium polyphosphate, polyols, melamine and its derivatives, and macromolecular triazine derivatives are premixed in a high-speed mixer, and then pulverized by a jet mill to obtain Halogen-free intumescent flame retardant, and then polypropylene, the above-mentioned halogen-free flame retardant, glass fiber, coupling agent, and antioxidant are extruded and mixed through an extruder, and the mixing temperature is 165-220°C. When kneading and extruding, glass fiber, coupling agent and antioxidant are added from the side feed port of the extruder, and the rest of the material is fed into pellets from the feeder of the extruder, and then injected into samples, tested for performance, and obtained The results are also shown in Table 1. Compared with Comparative Example 1 and Comparative Example 2, it can be seen that the present invention can reach the UL-94V-0 level in terms of flame retardancy, and the mecha...

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Abstract

The invention relates to a halogen-free expandable fire retardant fiber glass reinforced polypropylene (PP) material and a preparation method thereof. The material is prepared from the following components by weight portion: 35-85 portions of polypropylene, 5-30 portions of fiber glass, 5-25 portions of coated ammonium polyphosphate, 1-15 portions of polyol, 2-18 portions of melamine and melaminederivant, 1-15 portions of macromolecule triazine derivant, 0.1-8 portions of coupling agent and 0.01-5 portions of antioxidizer. The preparation method includes the technical steps of premixing, airstream pulverization, mixing and milling, and the like. Compared with the prior art, the invention endues the reinforced PP material to have favorable fire resistance, largely widens the application range of the PP material which can replace other materials in the field of electric appliance, electron, construction material, and the like, and especially can replace ABS, modified ABS and other materials in the field of halogen-free fire resistance, thereby solving the problem of halogen-free fire resistance of the ABS, the modified ABS and other materials.

Description

technical field [0001] The invention belongs to the field of composite materials, and in particular relates to a halogen-free intumescent flame-retardant glass fiber reinforced polypropylene material and a preparation method thereof. Background technique [0002] ABS resin is a new type of general-purpose thermoplastic engineering plastics. ABS resin is widely used in the automobile industry, electronic and electrical industry, light industrial appliances, textile and construction industries due to its excellent comprehensive performance. Since ABS resin is a flammable material, and releases a large amount of toxic gas and black smoke when burned, it will not only cause serious property losses, but also pose a great threat to people's life safety and living environment. How to solve the flammable problem of ABS resin has become the subject of everyone's research. [0003] Especially now with the "Waste Electrical and Electronic Equipment Directive" (WEEE-200296EC) and "Rega...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/12C08K13/06C08K7/14C08K9/04C08K3/32C08K5/053C08K5/3492C08J5/04B29C47/92B29C47/10B29C48/92
Inventor 郝冬梅刘彦明尹亮陈崇伟陈涛林倬仕
Owner SHANGHAI RES INST OF CHEM IND