Modified geopolymer and modified geopolymer composite and process for the production thereof

A technology of geopolymers and composite materials, applied in the field of modified geopolymers, can solve problems such as the reduction of thermal conductivity of foams, achieve good stability, enhance self-extinguishing effects, and reduce the amount of foam

Pending Publication Date: 2019-04-16
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Instead, these properties are improved, but the thermal conductivity of the foam is not reduced as in foams containing carbon-based additives (i.e., containing heat-absorbing or heat-reflecting radiopaque additives, specifically carbon black and / or graphite). as evident in the case of

Method used

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  • Modified geopolymer and modified geopolymer composite and process for the production thereof
  • Modified geopolymer and modified geopolymer composite and process for the production thereof
  • Modified geopolymer and modified geopolymer composite and process for the production thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0375] Example 1 (using geopolymer composites1)

[0376] This example shows a geopolymer composite prepared using the process according to WO 2016 / 113321 A1, without a repulping step and a second filtration step, to demonstrate the use of geopolymers or geopolymer composites according to the invention Importance of process improvements for material production (see Example 1 below, Table 1.1). In this example, a foam containing 1.5% by weight of Emerald 3000 was produced. Self-extinguishing properties as shown in Table 2 were obtained.

Embodiment 2

[0377] Example 2 (using geopolymer composites1)

[0378] This example provides exactly the same material properties as in Example 1, but the resulting foam has the addition of 1.0% by weight of Emerald 3000. Self-extinguishing properties as shown in Table 3 were obtained. Compared with Example 1, the self-extinguishing performance is poor due to the decrease of the flame retardant Emerald 3000 concentration.

Embodiment 3

[0379] Example 3 (using geopolymer composites1)

[0380] This example provides exactly the same material properties as in Example 2, but the resulting foam has the addition of 0.75% by weight of Emerald 3000 foam. Self-extinguishing properties as given in Table 4 were obtained. Due to the reduced concentration of Emerald 3000, the self-extinguishing performance is even worse compared to Example 2.

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Abstract

The invention relates to a modified geopolymer and a modified geopolymer composite comprising additive. The additive is preferably an athermanous additive. The modification is with one or more water-soluble compounds, the water-soluble compound is preferably selected from phosphorus compounds, nitrogen compounds, copper compounds, silver compounds, zinc compounds, tin compounds and magnesium compounds. Also, it relates to compositions which contain the modified geopolymer or modified geopolymer composite. The compositions preferably comprise vinyl aromatic polymer and are in the form of a foam.

Description

technical field [0001] The present invention relates to a modified geopolymer and a modified geopolymer composite material comprising additives, and a process for producing the modified geopolymer and the modified geopolymer composite material. The invention also relates to the use of modified geopolymers, modified geopolymers together with additives, and modified geopolymer composites comprising additives. Furthermore, the present invention relates to a process for producing expandable vinyl aromatic polymer particles. Finally, the invention relates to compositions comprising modified geopolymers or modified geopolymer composites. The additive is preferably a radiant opaque additive. Background technique [0002] Geopolymer aggregates and their use in various applications are disclosed in WO 2015 / 191817 A1. Furthermore, WO 2016 / 113321 A1 discloses that the addition of geopolymers or their composites prepared with various types of radiopaque additives can convert The sel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C08J9/00C08J9/16C08K3/34C04B111/28
CPCC04B28/005C04B28/006C08J9/0066C08J9/141C08J9/16C08J9/224C08J9/232C08K3/34C04B2111/28C08J2201/036C08J2201/03C08J2203/14Y02P40/10Y02W30/91C04B28/003C04B12/04C04B14/022C04B14/024C04B14/106C04B14/30C04B14/368C04B18/08C04B18/141C04B18/146C04B22/0093C04B22/08C04B24/42C04B40/00C04B12/005C08J3/226C08J9/0095C08K5/5415C08K9/02C08K9/06C08L25/06C04B14/305C04B18/106C04B20/023C04B20/026C04B22/16C08J9/18C08J2325/10
Inventor 菲利普·卢卡斯·康加特威茨卡米尔·乌特拉塔马尔泽拿·米科釆克-奥普恰尔斯卡
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