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
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
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...
PUM
Property | Measurement | Unit |
---|---|---|
tensile strength | aaaaa | aaaaa |
impact strength | aaaaa | aaaaa |
tensile strength | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com