High-strength high-toughness flame-retardant polypropylene material, and preparation method and application thereof

A polypropylene material, polypropylene technology, applied in the field of polymer material modification, can solve the problems of insecurity, fire, application restrictions, etc., and achieve the effect of good flame retardancy and high tensile strength

Inactive Publication Date: 2012-07-04
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, PP is extremely flammable, and the limiting oxygen index (LOI) is only 17.4-18.5, and the molten droplets are serious when burning, and it is easy to spread flames and cause fires, making its application unsafe.
This limits the application of PP in industries such as electronic appliances, communication equipment, automobiles, electrical appliances, and building materials.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] 26 parts of polypropylene (PP) Shanghai Secco K7926, 7.5 parts of POE elastomer, 5 parts of grafting rate of 0.6%, density of 0.90g / cm 3 Maleic anhydride grafted polypropylene, 16 parts of a mixture composed of decabromodiphenylethane and antimony trioxide in a ratio of 3:1, 0.1 part of antioxidant 1010, 0.1 part of antioxidant 168, 0.15 part Light stabilizer 3346, 0.15 parts of light stabilizer 3853S, 45 parts of alkali-free long glass fiber (Jushi ER14-1000-988A), put into a high-speed mixer and mix for 3 to 5 minutes, then add the mixture into a twin-screw extruder , the barrel temperature of the extruder is 180-200°C, extruded and pelletized to obtain the desired polypropylene material. The performance test results of the materials are shown in Table 1.

Embodiment 2

[0037] 45.5 parts of polypropylene (PP) Shanghai Secco K7926, 5 parts of POE elastomer, 1 part of graft rate 2.8%, density 0.90g / cm 3 Maleic anhydride grafted polypropylene, 18 parts of a mixture composed of decabromodiphenylethane and antimony trioxide in a ratio of 3:1, 0.1 part of antioxidant 1010, 0.1 part of antioxidant 168, 0.15 part Light stabilizer 3346, 0.15 parts of light stabilizer 3853S, 30 parts of alkali-free long glass fiber (Jushi ER14-1000-988A), put in a high-speed mixer and mix for 3 to 5 minutes, then add the mixture into the twin-screw extruder , the barrel temperature of the extruder is 180-200°C, extruded and pelletized to obtain the desired polypropylene material. The performance test results of the materials are shown in Table 1.

Embodiment 3

[0039] 20.3 parts of polypropylene (PP) Shanghai Secco K7926, 10 parts of POE elastomer, 5 parts of graft rate 0.6%, density of 0.90g / cm 3 Maleic anhydride grafted polypropylene, 19 parts of a mixture composed of decabromodiphenylethane and antimony trioxide in a ratio of 3:1, 0.15 parts of antioxidant 1010, 0.15 parts of antioxidant 168, 0.2 parts Light stabilizer 3346, 0.2 parts of light stabilizer 3853S, 45 parts of alkali-free long glass fiber (Jushi ER14-1000-988A), put in a high-speed mixer and mix for 3 to 5 minutes, then add the mixture into a twin-screw extruder , the barrel temperature of the extruder is 180-200°C, extruded and pelletized to obtain the desired polypropylene material. The performance test results of the materials are shown in Table 1.

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Abstract

The invention belongs to the technical fields of high molecular material modification and processing, and discloses a high-strength high-toughness flame-retardant polypropylene material, and a preparation method and application thereof. The polypropylene material disclosed by the invention comprises the following components in parts by weight: 20-50 parts of polypropylene, 0.1-10 parts of toughener, 1-10 parts of compatilizer, 16-22 parts of compound flame retardant, 0.2-0.4 parts of antioxidant, 0.1-0.4 parts of light stabilizer and 30-50 parts of glass fiber. The preparation method of the polypropylene material comprises the following steps: mixing 20-50 parts of polypropylene, 0.1-10 parts of toughener, 1-10 parts of compatilizer, 16-22 parts of compound flame retardant, 0.2-0.4 part of antioxidant, 0.1-0.4 part of light stabilizer and 30-50 parts of glass fiber in a high-speed mixer for 3-5 minutes, adding the mixture into an extruding machine, extruding and granulating to obtain the required high-strength high-toughness flame-retardant polypropylene material. The polypropylene material disclosed by the invention has the advantages of high tensile strength, high flexural modulus, high impact strength and favorable flame retardancy, and is an optimal material for engineering plastic building templets.

Description

technical field [0001] The invention belongs to the technical field of polymer material modification and processing, and specifically relates to a high-strength, high-toughness, flame-retardant polypropylene material, a preparation method and an application thereof. Background technique [0002] Most of the building formworks currently used are steel formwork or wood formwork. The steel formwork has a strong structure, but it is heavy and easy to corrode. Wood formwork is light in weight, easy to corrode, and difficult to reuse. In recent years, building formwork made of thermoplastic composite materials has attracted widespread attention due to its light weight, easy demoulding, repeated use, recyclability, and corrosion resistance. [0003] Under the situation that our country is actively responding to climate change and vigorously promoting energy conservation and emission reduction, if materials that can replace steel, bamboo or wood can be used in the building formwork...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/14C08L23/08C08L51/06C08K13/04C08K3/22C08K5/03C08K7/14B29C47/92B29C48/92
CPCB29C48/04
Inventor 宋伟华
Owner HEFEI GENIUS NEW MATERIALS
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