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Enhanced halogen-free flame-retardant PP/PPO alloy and preparation method thereof

An enhanced and alloyed technology, applied in the field of polymer materials, can solve the problems of insufficient dimensional stability of enhanced PP/PPO alloys, lack of flame retardant function, etc., achieve good mechanical properties and dimensional stability, and be easy to promote and easy to use. The effect of processing

Inactive Publication Date: 2013-12-04
SUZHOU CHANGSHENG ELECTROMECHANICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Most of the PP / PPO alloys currently on the market do not have flame retardant function, and some reinforced PP / PPO alloys have insufficient dimensional stability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A reinforced halogen-free flame retardant PP / PPO alloy, comprising the following raw materials in parts by weight: 70 parts of PP, 50 parts of PPO, 10 parts of magnesium borate whiskers, 8 parts of ammonium polyphosphate, 6 parts of melamine phosphate, 5 parts of magnesium hydroxide crystal whiskers, 5 parts of maleic anhydride grafted SEBS, 0.75 part of antioxidant 1076, 0.25 part of antioxidant DLTDP, and 0.5 part of polyethylene wax.

[0017] The preparation method of the reinforced halogen-free flame retardant PP / PPO alloy in this embodiment is to graft PP, PPO, magnesium borate whiskers, ammonium polyphosphate, melamine phosphate, magnesium hydroxide whiskers, and maleic anhydride to SEB Antioxidant 1076, antioxidant DLTDP and polyethylene wax are added into a high-speed mixer, and after mixing uniformly, they are extruded and granulated by a twin-screw extruder to obtain the enhanced halogen-free flame retardant PP / PPO alloy of this embodiment.

[0018]

Embodiment 2

[0020] A reinforced halogen-free flame-retardant PP / PPO alloy, comprising the following raw materials in parts by weight: 90 parts of PP, 80 parts of PPO, 18 parts of magnesium borate whiskers, 12 parts of ammonium polyphosphate, 10 parts of melamine phosphate, 8 parts of magnesium hydroxide whiskers, 20 parts of maleic anhydride grafted SEBS, 1.2 parts of antioxidant 1076, 0.8 part of antioxidant DLTDP, and 0.5 to 1.4 parts of polyethylene wax.

[0021] The preparation method of the reinforced halogen-free flame-retardant PP / PPO alloy of this embodiment is the same as that of Embodiment 1.

[0022]

Embodiment 3

[0024] A reinforced halogen-free flame-retardant PP / PPO alloy, comprising the following raw materials in parts by weight: 80 parts of PP, 65 parts of PPO, 15 parts of magnesium borate whiskers, 10 parts of ammonium polyphosphate, 8 parts of melamine phosphate, 7 parts of magnesium hydroxide whiskers, 12 parts of maleic anhydride grafted SEBS, 1 part of antioxidant 1076, 0.5 part of antioxidant DLTDP, and 1 part of polyethylene wax.

[0025] The preparation method of the reinforced halogen-free flame-retardant PP / PPO alloy of this embodiment is the same as that of Embodiment 1.

[0026]

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PUM

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Abstract

The invention relates to enhanced halogen-free flame-retardant PP / PPO alloy and a preparation method thereof, and belongs to the technical field of high molecular material. The enhanced halogen-free flame-retardant PP / PPO alloy comprises, by weight, 70-90 parts of PP, 50-80 parts of PPO, 10-18 parts of magnesium borate crystal whiskers, 8-12 parts of ammonium polyphosphate, 6-10 parts of melamine phosphate, 5-8 parts of magnesium hydrate crystal whiskers, 5-20 parts of compatilizer, 1-2 parts of antioxidants and 0.5-1.4 parts of lubricating agents. The enhanced halogen-free flame-retardant PP / PPO alloy has good mechanical properties and dimensional stability and is easily processed to be formed. Meanwhile, combined flame retarding of an inorganic flame retardant and an organic phosphorus-nitrogen flame retardant is adopted, so that the enhanced halogen-free flame-retardant PP / PPO alloy has good flame retardant performance and is widely applied to the fields of electronic and electric products, automobiles, aviation, petroleum, the chemical industry, precision-machinery components and the like.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to an enhanced halogen-free flame-retardant PP / PPO alloy and a preparation method thereof. Background technique [0002] Polyphenylene ether, PPO for short, is one of the five general-purpose engineering plastics in the world. PPO is a thermoplastic resin formed by oxidative coupling polymerization of 2,6-disubstituted phenol. It has excellent comprehensive properties. The biggest feature is that it has excellent dimensional stability and outstanding electrical insulation under long-term load. It has a wide temperature range and can be used for a long time in the range of -127 ~ 121 °C. At the same time, polyphenylene ether has excellent water resistance and steam resistance, and its products have excellent tensile strength, impact strength and creep resistance. In addition, it has good wear resistance and electrical properties, and is widely used in medical,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L71/12C08K13/04C08K7/08C08K3/38C08K3/32C08K3/22C08K5/3492
Inventor 张学平朱忠海
Owner SUZHOU CHANGSHENG ELECTROMECHANICAL
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