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A raw material composition containing polystyrene and insulation board

A raw material composition and polystyrene technology, which is applied in the field of building materials, can solve the problems of insufficient tensile strength of thermal insulation boards and insufficient fire rating, and achieve the effects of high bending deformation value, high thermal insulation effect and high tensile strength.

Active Publication Date: 2020-12-29
上海圣奎新型建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a raw material composition containing polystyrene and a thermal insulation board in order to overcome the disadvantages of insufficient tensile strength and insufficient fireproof rating of the thermal insulation board in the prior art.

Method used

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  • A raw material composition containing polystyrene and insulation board
  • A raw material composition containing polystyrene and insulation board
  • A raw material composition containing polystyrene and insulation board

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～17

[0037] The raw material components and parts by weight of Examples 1-9 are shown in Table 1.

[0038] The raw material components and parts by weight of Examples 10-17 are shown in Table 2.

[0039] The raw material components and parts by weight of Comparative Examples 1-2 are shown in Table 2.

[0040] The preparation process of the insulation board of embodiment 1~17 is as follows:

[0041] (1) By heating, the expansion volume of polystyrene particles is increased to obtain primary foamed polystyrene particles. By setting the steam pressure, the density changes accordingly, so as to achieve the required density requirements. The steam pressure is set to 0.2 MPa, the temperature is set to 60-200 (preferably 100° C.), the time is set to 30 seconds, the pressure is maintained for 10 seconds, and the pressure is reduced for 3 seconds.

[0042](2) Mix and stir the raw material composition except styrene at 25°C (the stirring time is adjusted according to the temperature chang...

Embodiment 18

[0053] In this embodiment, except that cellulose ether and water reducer are not contained, the types and amounts of other substances are the same as those in Embodiment 1. The preparation process of embodiment 18 insulation board is as follows:

[0054] (1) By heating, the expansion volume of graphite polystyrene particles is increased to obtain primary foamed polystyrene particles. By setting the steam pressure, the density changes accordingly, so as to achieve the required density requirements. The steam pressure is set to 0.2MPa, the temperature is set to 100°C, the time is set to 30 seconds, the pressure is maintained for 10 seconds, and the pressure is reduced for 3 seconds.

[0055] (2) Mix and stir the raw material composition except graphite styrene at 25°C (the stirring time is adjusted according to the temperature change, and the mixer speed is set to 300 rpm), so that all of them are stirred evenly to form a ready-mixed glue condensate material. Next, add the fo...

Embodiment 1

[0059] The effect of the insulation board prepared in Example 18 is equivalent to that of the insulation board prepared in Example 1.

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Abstract

The invention discloses a raw material composition containing polystyrene and a thermal insulation board. The components and weight ratio of the raw material composition are: 20-120 parts of silicon material, 10-111 parts of calcium oxide and / or calcium hydroxide, 1-21 parts of polystyrene particles and water. The thermal insulation board made of this raw material composition has excellent comprehensive properties, high tensile strength (above 0.13MPa), high compressive strength (above 0.29MPa), and low thermal conductivity (at 25°C, 0.063W / (m·k ) below), the bending deformation value is high (above 6.1mm), and the thermal insulation material made of it can not only have a high thermal insulation effect, but also have a non-combustible fireproof performance (the fireproof rating is not lower than A2 level).

Description

technical field [0001] The invention relates to the field of building materials, in particular to a raw material composition containing polystyrene and a thermal insulation board. Background technique [0002] Building energy conservation is the main content of implementing the national environmental protection and energy conservation policies, and is an important part of implementing the sustainable development strategy of the national economy. With the improvement of energy-saving standards year by year, external wall insulation technology has been greatly developed, and has become an important building energy-saving technology in my country. However, in recent years, accidents such as falling off of external wall insulation materials and fires have occurred frequently, causing heavy casualties and property losses. With the comprehensive promotion of building energy conservation, especially the fire protection problem of building energy-saving materials is becoming more a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/10C04B38/08C04B111/28
CPCC04B28/18C04B12/04C04B14/06C04B14/08C04B14/104C04B14/106C04B16/08C04B18/08C04B18/141C04B20/0048C04B2103/302C04B40/0071C04B40/0075
Inventor 刘丙强
Owner 上海圣奎新型建材有限公司