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High-heat-conducting heating pipe

A heating pipe and high thermal conductivity technology, applied in the field of high thermal conductivity heating pipes, can solve problems such as poor thermal conductivity, and achieve the effects of excellent processing performance, high thermal conductivity and reduced energy consumption

Inactive Publication Date: 2017-06-13
SHANDONG GUOSU TECH IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a heating pipe with high thermal conductivity, which solves the problem of poor thermal conductivity of

Method used

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Embodiment 1

[0035] High thermal conductivity heating pipes are made of the following raw materials in parts by weight:

[0036]

[0037] Wherein, the graft modified blend PB-g-MAH is made of 0.1 part of DCP as an initiator, 5 parts of MAH as a graft monomer, and 0.5 part of TNPP as an additive to graft 100 parts of PB resin obtained by modification.

[0038] The preparation method comprises the following steps:

[0039] (1) Mixture:

[0040] PB resin, graft modified blend PB-g-MAH, nano-AlN and nano-CaCO 3 Stir with a high-speed mixer, and remove the moisture contained in it through frictional heat generation to obtain a uniformly dispersed mixed material;

[0041] (2) extruder extrusion:

[0042] The mixed material is fed into the extruder from the hopper, compressed, melted and homogenized, and gradually changed from solid to high-viscosity elastic body under the action of external heating and screw shear, and continuously extruded through the machine head;

[0043] (3) Mold vac...

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Abstract

The invention relates to a high-heat-conducting heating pipe and belongs to the technical field of machining of high molecular materials. The high-heat-conducting heating pipe is prepared from the following raw materials in parts by weight: 100 parts of PB (Polybutene) resin, 50-70 parts of a grafted modified blend polymer PB-g-MAH, 5-10 parts of nano AlN and 1-5 parts of nano CaCO3. By adopting the high-heat-conducting heating pipe, the problem of a traditional high molecular material that the heat conductivity is poor is solved; the PB resin is used as a base material, and the grafted modified PB-g-MAH is added; the PB resin and the grafted modified PB-g-MAH are blended with heat-conducting filler including the nano AlN and the nano CaCO3; and the high-heat-conducting heating pipe has the properties of high heat conductivity, good machinability, low-temperature impact resistance and the like, and the heat conductivity can be increased to be 3.2W/(m.k) to 5.1W(m.k).

Description

technical field [0001] The invention relates to a heating pipe with high thermal conductivity, which belongs to the technical field of polymer material processing. Background technique [0002] Today, due to the double influence of the government's increased investment in infrastructure construction and the continuous growth of heating demand, the central heating industry has achieved rapid development. The national central heating area averages 200 million square meters per year. 2 speed increases. my country is currently in the process of rapid urbanization. According to the forecast of the World Bank, by 2020, the area of ​​new urban civil buildings will be 10-15 billion m 2 , there will be 7 billion m in new construction 2 The above needs to be heated, the heating rate will reach 40%, and the central heating area will reach 6 billion m 2 , according to the current energy consumption level, the temperature is raised from ≥16°C to ≥18°C, and the increase in coal consump...

Claims

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Application Information

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IPC IPC(8): C08L23/20C08L51/06C08K3/28C08K3/26C08F255/10C08F222/06
CPCC08L23/20C08F255/10C08K2201/011C08L2203/18C08L51/06C08K2003/282C08K2003/265C08F222/06
Inventor 刘健陈锋
Owner SHANDONG GUOSU TECH IND