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Environment-friendly composite thermal insulation material and preparing method thereof

A composite thermal insulation material, green and environmental protection technology, applied in the field of environmental protection thermal insulation materials, can solve the problems of poor compactness and workability, poor thermal insulation performance, small deformation coefficient, etc., to achieve improved stability, good thermal insulation performance, excellent resistance Effects of compressive strength and acid resistance properties

Inactive Publication Date: 2016-02-17
苏州书瑞环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Inorganic thermal insulation materials are fire-resistant and flame-retardant, and have a small deformation coefficient; secondly, they are anti-aging, stable in performance, good in eco-environmental protection, do not consume organic energy, and use waste materials; but their bulk density is large, and their compactness and processability are poor; secondly, they are heat-insulating and heat-insulating poor performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] (1) Take magnesium silicate and calcium sulfate, and use a ball mill for ball milling. The ball-to-material ratio in the ball mill is 30:1, and the ball milling time is 30 minutes;

[0035] (2) Set the temperature in the reactor to 110°C, add 10 parts of polystyrene resin, 5 parts of phenolic resin, 2 parts of glass microspheres, 12 parts of hydrophobically modified hydroxyethyl cellulose, 6 parts of magnesium silicate, 3 parts of calcium sulfate, 7 parts of polyglycerol ricinoleate, 5 parts of carboxylated styrene-butadiene latex, and stir until uniform;

[0036] (3) Take out the uniformly stirred material in step (2) and cool it, then pressurize it with a pressing pressure of 40MPa, cool it after pressing and molding, and it is a green and environmentally friendly composite thermal insulation material.

[0037] The thermal conductivity of the thermal insulation material in Example 1 is 0.020W / (m·K), the compressive strength is 41MPa, and there is no change after soaki...

Embodiment 2

[0039] (1) Take magnesium silicate and calcium sulfate, and use a ball mill for ball milling. The ball-to-material ratio in the ball mill is 20:1, and the ball milling time is 90 minutes;

[0040] (2) Set the temperature in the reactor to 80°C, add 4 parts of polystyrene resin, 12 parts of phenolic resin, 6 parts of glass microspheres, 4 parts of hydrophobically modified hydroxyethyl cellulose, 2 parts of magnesium silicate, 8 parts of calcium sulfate, 4 parts of polyglycerol ricinoleate, 10 parts of carboxylated styrene-butadiene latex, stir them until uniform;

[0041] (3) Take out the material that has been stirred evenly in step (2) and cool it down, then pressurize it, the pressing pressure is 60MPa, cool it after pressing and molding, and it is a green and environmentally friendly composite thermal insulation material.

[0042] The thermal conductivity of the thermal insulation material in Example 2 is 0.019W / (m·K), the compressive strength is 39MPa, and there is no chan...

Embodiment 3

[0044] (1) Take magnesium silicate and calcium sulfate, and use a ball mill for ball milling. The ball-to-material ratio in the ball mill is 30:1, and the ball milling time is 30 minutes;

[0045] (2) Set the temperature in the reactor to 110°C, add 9 parts of polystyrene resin, 10 parts of phenolic resin, 3 parts of glass microspheres, 6 parts of hydrophobically modified hydroxyethyl cellulose, 5 parts of magnesium silicate, 4 parts of calcium sulfate, 6 parts of polyglycerol ricinoleate, 8 parts of carboxylated styrene-butadiene latex, and stir until uniform;

[0046] (3) Take out the uniformly stirred material in step (2) and cool it, then pressurize it with a pressing pressure of 40MPa, cool it after pressing and molding, and it is a green and environmentally friendly composite thermal insulation material.

[0047] The thermal conductivity of the thermal insulation material in Example 3 is 0.016W / (m·K), the compressive strength is 44MPa, and there is no change after soakin...

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Abstract

The invention discloses a preparing method of an environment-friendly composite thermal insulation material. The method comprises the steps of 1, conducting ball milling with a ball mill on magnesium silicate and calcium sulfate, wherein the ratio of grinding media to material in the ball mill is 20:1-30:1, and ball milling time is 30-90 min; 2, setting the temperature in a reaction still to be 80-110 DEG C, adding 4-10 weight parts of polystyrene resin, 5-12 weight parts of phenolic resin, 2-6 weight parts of glass beads, 4-12 weight parts of hydrophobic modification hydroxyethyl cellulose, 2-6 weight parts of magnesium silicate, 3-8 weight parts of calcium sulfate, 4-7 weight parts of polyglycerol polyricinoleate and 5-10 weight parts of carboxylic butadiene-styrene latex to the reaction still, and conducting stirring to be uniform; 3, taking out the mixture obtained after even stirring is conducted in the step 2, conducting cooling and pressing, and conducting cooling again after pressing forming so that the environment-friendly composite thermal insulation material can be obtained, wherein pressing force is 40-60 MPa.

Description

technical field [0001] The invention belongs to the field of environmental protection thermal insulation materials, and in particular relates to a green environmental protection composite thermal insulation material and a preparation method thereof. Background technique [0002] Insulation materials are divided into organic insulation materials, composite insulation materials and inorganic insulation materials. Inorganic thermal insulation materials include: 1. Foam concrete, aerated concrete, thermal insulation mortar; 2. Calcium silicate thermal insulation products; 3. Expanded perlite; 4. Rock wool, mineral wool; 6. Foamed ceramic insulation board, ceramic fiber folding block; 7. Aluminum silicate insulation material; 8. Silica airgel. Inorganic thermal insulation materials are fire-resistant and flame-retardant, and have a small deformation coefficient; secondly, they are anti-aging, stable in performance, good in eco-environmental protection, do not consume organic ene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L25/06C08L61/06C08L1/28C08L67/00C08L13/02C08K9/00C08K3/34C08K3/30C08K7/20
CPCC08L25/06C08L1/284C08L61/06C08L2205/035C08L67/00C08L13/02C08K9/00C08K3/34C08K3/30C08K7/20C08K2003/3045
Inventor 魏锋
Owner 苏州书瑞环保科技有限公司
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