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Reinforced flame-retardant heat insulation composite material

A composite material, flame retardant and heat preservation technology, applied in the direction of heat exchange materials, chemical instruments and methods, etc., can solve the problems of unsatisfactory high strength and low strength, achieve good heat preservation performance, overcome strength difference, and improve strength

Active Publication Date: 2015-03-11
SUZHOU SILVER AGE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these materials have low strength and cannot meet the requirements of high strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047]Mix paraffin wax 1 (melting point 47.1°C, latent heat of phase transition 240J / g) and a hollow glass fiber in a mass ratio of 80:20 under stirring with a mixer, then put it in a water bath at 70°C and heat it while stirring continuously for 4 hours After that, it was taken out and cooled to obtain the energy storage enhanced material ESF-1. PP (brand name is PP HP500N, purchased from China Sea Shell Petrochemical Co., Ltd.), flame retardant (decabromodiphenylethane, antimony trioxide and basic magnesium sulfate whiskers in a mass ratio of 4:1:5 Mixed bromine / antimony flame retardant), PP-g-MAH and additives were mixed in a high-speed mixer for 4 minutes and then pelletized by melt extrusion with a twin-screw extruder. ESF-1 was fed from the extruder by side feeding Join in the middle. Among them, the mass ratio of polymer support material PP, energy storage reinforcement material ESF-1, flame retardant, PP-g-MAH and additives is 20:60:15:4:1. The auxiliary agent is 0.5...

Embodiment 2

[0049] In this example, paraffin 1 is replaced by paraffin 2 (melting point 27.5°C, latent heat of phase change 190J / g), paraffin 2 and hollow fiber are mixed and processed at a mass ratio of 90:10, and the temperature of the water bath is 60°C to form an energy storage Reinforcement material ESF-2. The flame retardant in this embodiment is a bromine / antimony flame retardant mixed with decabromodiphenylethane, antimony trioxide and basic magnesium sulfate whiskers in a mass ratio of 4:1:10. The mass ratio of polymer support material PP, energy storage reinforcement material ESF-2, flame retardant, PP-g-MAH and additives is 25:55:16:3.6:0.4.

[0050] The rest of the content of this embodiment is the same as that of Embodiment 1, and will not be repeated here.

Embodiment 3

[0052] In this example, paraffin wax 1 and hollow fiber were mixed and processed at a mass ratio of 70:30, and the temperature of the water bath was 65°C to make ESF-3, an energy storage enhanced material.

[0053] The mass ratio of polymer support material PBT, energy storage reinforcement material, flame retardant compound, PP-g-MAH and additives is 40: 30: 25: 4: 1. The flame retardant is a nitrogen-phosphorus composite flame retardant, the compatibilizer is glycidyl methacrylate, and the auxiliary agent includes 0.4% antioxidant, 0.4% lubricant and 0.2% light stabilizer.

[0054] The rest of the content of this embodiment is the same as that of Embodiment 1, and will not be repeated here.

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Abstract

The invention relates to the technical field of high polymer materials, in particular to a reinforced flame-retardant heat insulation composite material. The reinforced flame-retardant heat insulation composite material consists of the following raw materials in percentage by weight: 10 to 40 percent of high polymer supporting material, 30 to 70 percent of energy storage reinforcing material, 10 to 40 percent of a flame retardant, 3 to 8 percent of a compatilizer and 0 to 2 percent of an assistant, wherein the high polymer supporting material is thermoplastic material; the energy storage reinforcing material is hollow fiber coated paraffin. The reinforced flame-retardant heat insulation composite material disclosed by the invention has better heat insulation and flame retardance effects, basically has no separation phenomenon, has higher intensity and can be used in the fields of buildings, automobiles and the like and the heat insulation effect is improved.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a reinforced flame-retardant and thermal insulation composite material. Background technique [0002] The scarcity of energy has led to more and more attention to energy-saving materials, among which thermal insulation materials have become the focus of development in the fields of construction, automobiles and agriculture. [0003] Most of the thermal insulation materials on the market now achieve the thermal insulation effect by reducing the thermal conductivity, such as polyurethane, polystyrene foam, etc. In automobiles, the multi-layer structure of fiber felt and foam material is sometimes used to achieve the effect of enhanced thermal insulation. But this kind of insulation material can only reduce the rate of temperature change, and cannot keep the temperature constant. Phase change energy storage materials undergo a phase change near their phase change temperat...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L23/06C08L55/02C08L77/00C08L69/00C08L67/02C08K13/06C08K9/10C08K7/28C08K5/03C08K3/22C08K7/08C08K5/06C09K5/06
CPCC08J5/06C08J5/08C08J2323/06C08J2323/12C08J2355/02C08J2367/02C08J2369/00C08J2377/00C08K2201/003C08K2201/004C08L23/06C08L23/12C08L55/02C08L67/02C08L69/00C08L77/00C08L2201/02C08L2205/025C08L2205/03C08L2205/08C09K5/06C08L51/06C08K13/06C08K9/10C08K7/28C08K5/03C08K7/08C08K3/2279C08K5/1515C08K13/02C08K5/06
Inventor 李文波嵇家栋彭志宏
Owner SUZHOU SILVER AGE TECH CO LTD
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