Aqueous damping coating having high acoustical insulation and low density and preparation method thereof

A damping coating, low-density technology, applied in unspecified rubber coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems that affect the actual use of water-based damping coatings, low damping value of water-based damping coatings, small damping value, etc. , achieving high damping value, wide damping temperature range, and good system maintenance

Active Publication Date: 2007-09-26
ZHUZHOU TIMES NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Previously reported literature and published patents have a high proportion of inorganic fillers in water-based damping coatings, while polymers account for a low proportion in the coating and often play the role of adhesives and substrates. This makes the damping value of water-based damping coatings often relatively low, and the damping value, especially in low-temperature regions, is relatively small, which affects the actual use of water-based damping coatings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A water-based damping coating, with water-based emulsion as the main agent, powdered rubber filler as the main filler, inorganic fillers as auxiliary fillers, and an appropriate amount of powdered rubber flame retardant, according to 100 parts of water-based emulsion: 70 parts of powdered rubber filler: 38.8 Parts of inorganic filler: 14 parts of powdered flame retardant by weight ratio, mixed by stirring at room temperature to form an aqueous solution, and then adding an appropriate amount of coating additives to the aqueous solution and stirring to obtain a water-based damping coating.

[0019] The production method of waterborne damping paint, comprises the following steps:

[0020] (1). Preparation of water-based emulsion: According to the weight ratio, dissolve 70 parts of styrene-acrylic emulsion in water, completely dissolve in 100 parts of water to obtain an aqueous solution, and then add dodecylsulfonic acid to the aqueous solution according to 100 parts of aque...

Embodiment 2

[0023] A water-based damping coating, with water-based emulsion as the main agent, powder rubber filler as the main filler, inorganic filler as auxiliary filler, and an appropriate amount of powder rubber flame retardant, according to 100 parts of water-based emulsion: 100 parts of powder rubber filler: 14 Parts of inorganic filler: 10 parts of powdered flame retardant by weight ratio, mixed by stirring at room temperature to form an aqueous solution, and then adding an appropriate amount of coating additives to the aqueous solution and stirring to obtain a water-based damping coating.

[0024] The production method of waterborne damping paint, comprises the following steps:

[0025] (1). Preparation of water-based emulsion: According to the weight ratio, dissolve 50 parts of water-based polyurethane in water, completely dissolve in 100 parts of water to obtain an aqueous solution, and then add 0.9 parts of N-methylpyrrolidone to the aqueous solution according to 100 parts of a...

Embodiment 3

[0028] A water-based damping coating, with water-based emulsion as the main agent, powder rubber filler as the main filler, inorganic filler as auxiliary filler, and an appropriate amount of powder rubber flame retardant, according to 100 parts of water-based emulsion: 100 parts of powder rubber filler: 10 Parts of inorganic filler: 20 parts of powdered flame retardant by weight ratio, mixed by stirring at room temperature to form an aqueous solution, and then adding an appropriate amount of coating additives to the aqueous solution and stirring to obtain a water-based damping coating.

[0029] The production method of waterborne damping paint, comprises the following steps:

[0030] (1). Preparation of water-based emulsion: According to the weight ratio, dissolve 50 parts of water-based polyurethane in water, completely dissolve in 100 parts of water to obtain an aqueous solution, and then add sodium dodecylsulfonate to the aqueous solution according to 100 parts of aqueous so...

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PUM

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Abstract

The invention discloses a water-based damping material with high acoustical insulation and low density and preparing method, which comprises the following steps: (1) allocating one kind emulsion or multiple kinds of water-based propyl benzene emulsion, water-based polyurethane and various rubber latex with mass ratio; dissolving into water; setting the solid content at 20-60% in water solution; stirring; mixing; getting water-based emulsion mixture; (2) allocating powder form filler with mass ratio; adding into the allocating water-based emulsion; stirring with high speed; mixing; adding into disperser and deformer; adjusting consistency with thickener; getting the water-based damping paint.

Description

technical field [0001] The invention provides a water-based damping coating with high sound insulation and low density, which can be mainly used for vibration and noise reduction of vibrating substrates, and can make the obtained polymer material have better physical and mechanical properties and anti-aging properties. Background technique [0002] Damping coatings use the viscoelastic properties of polymer materials to absorb part of the vibration energy and then release it in the form of heat (that is, mechanical loss), so as to achieve the purpose of reducing the amplitude, reducing vibration and suppressing noise. However, both in the manufacturing process and construction application process of traditional coatings, a large amount of toxic and harmful waste gas and waste water are discharged, causing pollution to the environment, air and water resources. Water-based damping paint is an environmentally friendly paint that uses water as the main dispersion solvent, uses i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D175/04C09D121/00C09D5/02C09D7/12
Inventor 金焱王进杨军徐坚
Owner ZHUZHOU TIMES NEW MATERIALS TECH
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