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High-strength insulating pipeline and preparation method thereof

A high-strength, heat-insulating technology, applied in the field of heat-insulating materials, can solve the problems of high cost of raw materials, poor heat-insulating performance, complicated preparation methods, etc., and achieve the effects of high density, good heat-insulation performance, and simple preparation methods.

Inactive Publication Date: 2018-12-07
HEFEI ZHENXUN LOW TEMPERATURE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This prior art also has poor thermal insulation properties, high cost of raw materials, and complicated preparation methods

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A high-strength heat-insulating pipeline comprising the following raw materials in parts by weight: 17 parts of styrene butadiene rubber, 11 parts of EPDM rubber, 14 parts of hollow glass beads, 12 parts of dioctyl phthalate, and 10 parts of epoxidized soybean oil Parts, 11 parts of titanium dioxide, 16 parts of thermoplastic resin, 8 parts of attapulgite composite, 15 parts of modified montmorillonite, 7 parts of filler powder, 8 parts of inorganic fiber, 6 parts of halogen-free flame retardant and 4 parts of antioxidant .

[0032] A method for preparing a high-strength heat-insulated pipeline includes the following preparation steps:

[0033] a. Introduce styrene-butadiene rubber and EPDM rubber into the internal mixer, mix for 1.5h at 145℃, then cool to 84℃, add thermoplastic resin, stir and react for 0.6h, keep warm to obtain material one;

[0034] b. Mix the hollow glass microspheres, titanium dioxide, attapulgite composite and modified montmorillonite into a pulverizer,...

Embodiment 2

[0043] A high-strength heat-insulating pipeline comprising the following raw materials in parts by weight: 14 parts of styrene butadiene rubber, 13 parts of EPDM rubber, 18 parts of hollow glass beads, 7 parts of dioctyl phthalate, and 12 parts of epoxidized soybean oil Parts, 7 parts of titanium dioxide, 12 parts of thermoplastic resin, 9 parts of attapulgite composite, 14 parts of modified montmorillonite, 12 parts of filler powder, 13 parts of inorganic fiber, 5 parts of halogen-free flame retardant and 5 parts of antioxidant .

[0044] A method for preparing a high-strength heat-insulated pipeline includes the following preparation steps:

[0045] a. Introduce the styrene butadiene rubber and EPDM rubber into the internal mixer, mix for 1.2h at 145℃, then cool to 84℃, add thermoplastic resin, stir and react for 0.6h, keep warm to obtain material one;

[0046] b. Mix the hollow glass beads, titanium dioxide, attapulgite composite and modified montmorillonite into a pulverizer, pu...

Embodiment 3

[0055] A high-strength heat-insulating pipeline comprising the following raw materials in parts by weight: 16 parts of styrene butadiene rubber, 12 parts of EPDM rubber, 17 parts of hollow glass beads, 9 parts of dioctyl phthalate, and 13 parts of epoxidized soybean oil Parts, 10 parts of titanium dioxide, 14 parts of thermoplastic resin, 11 parts of attapulgite composite, 13 parts of modified montmorillonite, 9 parts of filler powder, 12 parts of inorganic fiber, 4 parts of halogen-free flame retardant and 6 parts of antioxidant .

[0056] A method for preparing a high-strength heat-insulated pipeline includes the following preparation steps:

[0057] a. Introduce styrene-butadiene rubber and EPDM rubber into the internal mixer, mix for 1.5h at 135℃, then cool to 84℃, add thermoplastic resin, stir and react for 0.6h, and keep warm to obtain material one;

[0058] b. Mix the hollow glass beads, titanium dioxide, attapulgite composite and modified montmorillonite into a pulverizer, p...

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PUM

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Abstract

The invention provides a high-strength insulating pipeline and a preparation method thereof. The pipeline is prepared by the following components: styrene butadiene rubber, ethylene propylene diene monomer, hollow glass beads, dioctyl phthalate, epoxy soybean oil, titanium dioxide, thermoplastic resin, an attapulgite compound, modified montmorillonite, filling powder, an inorganic fiber, a halogen-free flame retardant and an antioxidant. The insulating pipeline prepared by the method has good insulation performance, has advantages of high density, good toughness, high strength, environmental protection, non-toxicity, easy availability of raw materials and simple preparation method, and is suitable for large-scale industrial production.

Description

Technical field [0001] The invention belongs to the technical field of thermal insulation materials, and specifically relates to a high-strength thermal insulation pipe and a preparation method thereof. Background technique [0002] Lightweight bricks, refractory fibers, ceramic fiber blankets and other traditional thermal insulation materials have relatively high thermal conductivity, and cannot meet the energy-saving requirements of industrial equipment with a temperature of less than 70℃ under a given thickness. Therefore, thermal insulation materials with low thermal conductivity are more and more popular. People's favor. [0003] At present, there are two main types of insulation materials: one is vacuum insulation material, and the other is nanoporous insulation material. There are a large number of nano-pores in the structure of the nano-silicon thermal insulation material, and more than 85% of the pores are less than 50 nm in diameter. The mean free path of oxygen and nit...

Claims

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Application Information

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IPC IPC(8): C08L9/06C08L23/16C08L91/00C08L23/08C08L53/02C08L75/04C08K13/06C08K7/28C08K5/12C08K3/22C08K3/34
CPCC08K2003/2241C08L9/06C08L2201/08C08L2203/18C08L2205/035C08L23/16C08L91/00C08L23/0853C08L53/02C08L75/04C08K13/06C08K7/28C08K5/12C08K3/22C08K3/346
Inventor 周青松
Owner HEFEI ZHENXUN LOW TEMPERATURE TECH CO LTD
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