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Halogen-free flame-retardant polypropylene material and preparation method thereof

A flame retardant polypropylene and polypropylene technology, applied in the field of polypropylene materials, can solve the problems of maintaining rigidity and toughness, greatly affecting product performance, and adding a large proportion of halogen-free flame retardants, reducing the amount of flame retardants, The effect of improving flame retardant effect and broad market value

Inactive Publication Date: 2019-04-05
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the demand for halogen-free flame-retardant polypropylene materials is increasing day by day, but the addition of halogen-free flame retardants in halogen-free flame-retardant polypropylene materials is relatively large, which has a great impact on product performance, and it is difficult to maintain rigidity and toughness at an optimal level

Method used

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  • Halogen-free flame-retardant polypropylene material and preparation method thereof
  • Halogen-free flame-retardant polypropylene material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] 15 parts of intumescent flame retardant; 3 parts of zirconium phosphate; 2 parts of expanded graphite; 1 part of hindered phenolic heat stabilizer; 0.5 part of white oil 36#; After mixing evenly, add it to a twin-screw extruder with a length-to-diameter ratio of 38:1 to obtain the product through melting, extrusion, and granulation.

[0028] The performance of the above products are as follows:

[0029] performance

Embodiment 2

[0031] 12 parts of intumescent flame retardant; 4 parts of zirconium phosphate; 1.5 parts of expanded graphite; 1.5 parts of hindered phenolic heat stabilizer; 0.6 part of white oil 36#; After uniformity, it is added to a twin-screw extruder with a length-to-diameter ratio of 36:1 to obtain the product through melting, extrusion, and granulation.

[0032] The performance of the above products is as follows:

[0033] performance

Embodiment 3

[0035] 18 parts of intumescent flame retardant; 4 parts of zirconium phosphate; 2.5 parts of expanded graphite; 0.8 part of hindered phenolic heat stabilizer; 0.2 part of white oil 72#; 74.5 parts of polypropylene PP EA5074 (Basel) were weighed in proportion After mixing evenly, add it to a twin-screw extruder with a length-to-diameter ratio of 40:1 to obtain the product through melting, extrusion, and granulation.

[0036] The performance of the above products is as follows:

[0037]

[0038]

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Abstract

The invention discloses a halogen-free flame-retardant polypropylene material and a preparation method thereof. The halogen-free flame-retardant polypropylene material is prepared from, by weight, 69-87.5 parts of polypropylene, 10-20 parts of expanded flame retardant, 1-5 parts of zirconium phosphate, 1-3 parts of expanded graphite, 0.3-2 parts of thermostabilizer and 0.2-1 part of white oil. Byadding zirconium phosphate and expanded graphite, flame-retardant performance can be improved, so that adding amount of the flame retardant is reduced greatly, and control of cost and maintaining of product performance are facilitated. The halogen-free flame-retardant polypropylene material is rich in raw material source, needless of modification treatment, simple in production process and easy for large-scale production.

Description

Technical field: [0001] The invention relates to a polypropylene material, in particular to a halogen-free flame-retardant polypropylene material and a preparation method thereof. Background technique: [0002] As one of the four general-purpose plastics, polypropylene material is widely used in industry, agriculture, transportation and daily life. With the improvement of technology and the multi-functional development of products, the demand for functionalized polypropylene materials in these fields is increasingly obvious, among which flame retardancy is the most important direction of polypropylene functionalization. [0003] Halogen-based flame retardants are added to traditional flame-retardant polypropylene materials, but the gases produced during combustion are harmful to human health and do not meet environmental protection requirements. Therefore, the demand for halogen-free flame-retardant polypropylene materials is increasing day by day, but the addition of halog...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L91/00C08K13/06C08K9/02C08K7/24C08K3/32C08K5/134
CPCC08K2003/321C08L23/12C08L2201/02C08L2201/22C08L91/00C08K13/06C08K9/02C08K7/24C08K3/32C08K5/1345
Inventor 杨桂生计娉婷朱敏廖雄兵
Owner HEFEI GENIUS NEW MATERIALS
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