Flexible acrylic acid waste polyurethane water composite joint filling material and its preparation method

A technology of polyurethane material and caulking material, applied in building thermal insulation materials, building components and other directions, can solve problems such as environmental pollution, and achieve the effect of improving economic value and low cost

Inactive Publication Date: 2007-01-31
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a large amount of polyurethane waste has caused new environmental pollution, and at the same time new usable industrial waste resources have emerged; in addition, with the popularization and application of many new energy-saving building materials, many supporting materials need to be combined together to form an application system that is convenient to use and perfect in performance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: The group distribution ratio is as follows:

[0025] Waste polyurethane powder 80 mesh 280g

[0026] Acrylic Elastic Emulsion 400g

[0027] Sodium hexametaphosphate 50g

[0028] Sodium Benzoate 4g

[0029] Ethylene glycol 9g

[0030] Propylene glycol 30g

[0031] Polydimethylsiloxane 0.5g

[0032] Calcium carbonate 160g

[0033] Methylcellulose 15g

[0034] water 50g

[0035] Colorant 0.06g

[0036] According to the above ratio of raw materials, first mix waste polyurethane powder and calcium carbonate uniformly as component A, then mix acrylic acid emulsion, sodium hexametaphosphate, sodium benzoate, propylene glycol, methyl cellulose and coloring agent uniformly as component B , and then mix and disperse the two components A and B evenly, finally, add polydimethylsiloxane and water, and stir evenly to obtain the desired product. Its performance indicators are:

[0037] Drying time: 2h

[0038] Adhesion strength: 0.53MPa

[0039] Other indica...

Embodiment 2

[0040] Embodiment 2: the group distribution ratio is as follows:

[0041] Waste polyurethane powder 60 mesh 260g

[0042] Acrylic Elastic Emulsion 400g

[0043] Sodium hexametaphosphate 40g

[0044] Sodium Benzoate 5g

[0045] Ethylene glycol 8g

[0046] Propylene glycol 28g

[0047] Polydimethylsiloxane 0.5g

[0048] Calcium carbonate 180g

[0049] Methylcellulose 14.5g

[0050] water 64g

[0051] Colorant 0.08g

[0052] According to the above ratio of raw materials, first mix waste polyurethane powder and calcium carbonate uniformly as component A, then mix acrylic acid emulsion, sodium hexametaphosphate, sodium benzoate, propylene glycol, methyl cellulose and coloring agent uniformly as component B , and then mix and disperse the two components A and B evenly, finally, add polydimethylsiloxane and water, and stir evenly to obtain the desired product. Its performance indicators are:

[0053] Drying time: 2h

[0054] Adhesion strength: 0.54MPa

[0055] Other indi...

Embodiment 3

[0056] Embodiment 3: group distribution ratio is as follows:

[0057] Waste polyurethane powder (60-80 mesh) 275g

[0058] Acrylic Elastic Emulsion 415g

[0059] Sodium hexametaphosphate 40g

[0060] Sodium Benzoate 4g

[0061] Ethylene glycol 9g

[0062] Propylene glycol 26g

[0063] Dimethicone 0.4g

[0064] Calcium carbonate 150g

[0065] Methylcellulose 14.6g

[0066] water 64g

[0067] Colorant 1.0g

[0068] According to the above ratio of raw materials, first mix waste polyurethane powder and calcium carbonate uniformly as component A, then mix acrylic elastic emulsion, sodium hexametaphosphate, sodium benzoate, propylene glycol, methyl cellulose and coloring agent uniformly as component A B, then mix and disperse the two components A and B evenly, finally, add polydimethylsiloxane and water, stir evenly to get the desired product. Its performance indicators are:

[0069] Drying time: 2h

[0070] Adhesion strength: 0.54MPa

[0071] Other indicators are the s...

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Abstract

The present invention belongs to the field of building material technology, in the concrete, it relates to a flexible acrylic acid waste polyurethane water-base composite joint-filling material and its preparation method. It is made up by using powder obtained by processing waste polyurethane material as aggregate and mixing it with the chemical raw materials of acrylic acid elastic emulsion, sodium hexametaphosphate, sodium benzoate, ethylene glycol, propylene glycol, polydimethylsiloxane, methyl cellulose, calcium carbonate and colouring agent according to a certain mixing ratio.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a flexible acrylic waste polyurethane water-based composite joint filling material and a preparation method thereof. Background technique [0002] The rapid development of environmental protection calls for various energy-saving, environmentally friendly and energy-saving building materials. Due to its excellent comprehensive physical and chemical properties, polyurethane wall insulation materials have been more and more widely used in energy-saving insulation materials in recent years. However, a large amount of polyurethane waste has caused new environmental pollution, and new available industrial waste resources have also emerged; in addition, with the popularization and application of many new energy-saving building materials, many supporting materials need to be combined to form an application system that is easy to use and has perfect performance. So...

Claims

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Application Information

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IPC IPC(8): C08L33/00C08K5/09E04B1/68C08L75/04C08L83/14C08L1/00
Inventor 曹民干
Owner TONGJI UNIV
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