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Foam impact-resistant building heat preservation board and preparation method thereof

A technology for building thermal insulation and impact resistance, applied in the field of materials, can solve the problems of poor mechanical stability, low impact strength, and easy cracking of plates, and achieve improved anti-aging performance, good resilience, and improved mechanical strength and impact resistance. Effect

Inactive Publication Date: 2019-04-26
王爱绿
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the commercially available polystyrene raw materials are relatively single, the added inorganic filler has poor compatibility with the polystyrene matrix, and the mechanical stability of the finished board is poor. However, due to the foaming of polystyrene, the impact strength is likely to be low, and the board is easy to Defects such as cracks

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A foamed impact-resistant building insulation board, which is composed of the following raw materials in parts by weight:

[0023] Propylene oxide 3, modified rubber powder 17, styrene 180, initiator 3, dioctyl azelate 3, ac foaming agent 10, trimethylhydroxyethylethylenediamine 0.1.

[0024] The initiator is ammonium persulfate.

[0025] Described modified rubber powder is made up of the raw material of following weight part:

[0026] Waste rubber powder 20, stearic acid 6, calcium zeolite powder 5, dodecyl primary amine 5, benzotriazole 0.1.

[0027] The preparation method of described modified rubber powder, comprises the following steps:

[0028] (1) Take benzotriazole, add it to absolute ethanol 7 times its weight, stir evenly, add dodecyl primary amine, raise the temperature to 76°C, keep stirring for 30 minutes, add waste rubber powder, Stir to normal temperature to obtain the pretreated rubber powder solution;

[0029] (2) Mix stearic acid and calcium zeolit...

Embodiment 2

[0036] A foamed impact-resistant building insulation board, which is composed of the following raw materials in parts by weight:

[0037] Propylene oxide 4, modified rubber powder 20, styrene 200, initiator 4, dioctyl azelate 5, ac foaming agent 13, trimethylhydroxyethylethylenediamine 0.2.

[0038] The initiator is ammonium persulfate.

[0039] Described modified rubber powder is made up of the raw material of following weight part:

[0040] Waste rubber powder 30, stearic acid 9, calcium zeolite powder 7, dodecyl primary amine 7, benzotriazole 0.3.

[0041] The preparation method of described modified rubber powder, comprises the following steps:

[0042] (1) Take benzotriazole, add it to 10 times the weight of absolute ethanol, stir evenly, add dodecyl primary amine, raise the temperature to 80°C, keep stirring for 40 minutes, add waste rubber powder, Stir to normal temperature to obtain the pretreated rubber powder solution;

[0043] (2) Mix stearic acid and calcium ze...

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Abstract

The invention discloses a foam impact-resistant building heat preservation board which consists of the following raw materials in parts by weight: 3-4 parts of propylene oxide, 17-20 parts of modifiedrubber powder, 180-200 parts of styrene, 3-4 parts of an initiator, 3-5 parts of dioctyl azelate, 10-13 parts of an ac foaming agent and 0.1-0.2 part of trimethyl hydroxyethyl ethylenediamine. The building heat preservation board disclosed by the invention is good in rebound resilience and excellent in comprehensive performance.

Description

technical field [0001] The invention belongs to the field of materials, and in particular relates to a foamed impact-resistant building insulation board and a preparation method thereof. Background technique [0002] Expanded polystyrene resin has a wide range of uses. Due to its high strength, light weight, excellent thermal insulation performance and high energy absorption capacity, it can be used as a variety of instruments, valuables, precision instruments, vegetables and fruits and aquatic products. and other packaging materials; and because of its excellent characteristics such as low thermal conductivity, low water absorption, good electrical insulation, sound insulation, moisture resistance, and simple molding process, it is widely used in roadbed laying of roads and bridges, housing construction, fishing and fishing. Insulation materials in the refrigeration industry, etc. Among them, as an excellent building material, expanded polystyrene resin is mainly used for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L25/06C08L19/00C08K9/04C08K7/26C08K5/3475C08K5/12C08F112/08C08J3/24C08J9/10
CPCC08F112/08C08J3/246C08J9/0028C08J9/0061C08J9/0066C08J9/103C08J2325/06C08J2419/00C08K5/12C08K5/3475C08K7/26C08K9/04
Inventor 不公告发明人
Owner 王爱绿
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