High-density polyethylene sound-absorbing cotton and preparation method thereof

A high-density polyethylene and sound-absorbing cotton technology, applied in the field of non-woven fabrics, can solve the problems of easy loosening, low temperature resistance level, large thickness deviation, etc., and achieve the effects of wide application fields, good water vapor resistance, and good air permeability

Inactive Publication Date: 2014-04-30
芜湖跃飞新型吸音材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are many deficiencies in the existing sound-absorbing cotton products and their manufacturing methods, mainly as follows: the production process is not environmentally friendly; Flame retardant treatment; insufficient adhesion, easy to disperse, poor tensile strength; insufficient appearance and flatness, large deviation in thickness, etc.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] The high-density polyethylene sound-absorbing cotton is composed of a top layer, a back layer, and a fiber cotton layer sandwiched between the top layer and the back layer, and the top layer and the back layer are made of non-woven fabrics The material is characterized in that the non-woven fabric is made of the following raw materials in parts by weight through the melt-blown method: isotactic polypropylene 100, EVA resin 13, high-density polyethylene 7, glass fiber 3, barium sulfate 4, phthalate Formate 11, silane coupling agent KH-550 2.5, melamine cyanurate 1.5, ethyl cellulose 2, rosin 2, oxidized castor oil 5, sawdust 11, activated carbon 13, corn cob 3, Corydalis 3, salvia miltiorrhiza 1, red Flower 2, additive 4.5.

[0016] The auxiliary agent is made of the following raw materials in parts by weight (kg): nano-carbon 1, kaolin 8, lapis lazuli 1, anti-aging agent TPPD 1, tetraisopropyl bis(dioctylphosphite acyloxy) titanate 2. Ethylene glycol 2, jade 1, ethylen...

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Abstract

The invention discloses high-density polyethylene sound-absorbing cotton. The high-density polyethylene sound-absorbing cotton consists of a top surface layer, a back face layer and a fiber-cotton layer clamped between the top surface layer and the back face layer, wherein the top surface layer and the back face layer are made of a non-woven fabric. The high-density polyethylene sound-absorbing cotton is characterized in that the non-woven fabric is made from the following raw materials in parts by weight by means of melt blowing: 100 parts of isotactic polypropylene, 12-15 parts of EVA (Ethylene-Vinyl Acetate) resin, 5-8 parts of high-density polyethylene, 2-3 parts of glass fiber, 4-5 parts of barium sulfate, 10-12 parts of phthalic acid ester, 2-3 parts of silane coupling agent KH-550, 1-2 parts of melamine cyanurate, 1-2 parts of ethyl cellulose, 2-3 parts of rosin, 4-5 parts of oxidation castor oil, 10-12 parts of sawdust, 12-15 parts of active carbon, 3-4 parts of corncob, 2-3 parts of corydalis tuber, 1-2 parts of red-rooted salvia root, 1-2 parts of safflower and 4-5 parts of addition agent. The prepared high-density polyethylene sound-absorbing cotton has the advantages of non-hygroscopicity, high vapor resistance, high strength, high air permeability, chemical corrosion resistance and wide application field.

Description

[0001] technical field [0002] The invention relates to nonwoven fabric technology, in particular to a high-density polyethylene sound-absorbing cotton and a preparation method thereof. Background technique [0003] Noise directly affects people's physical and mental health and the improvement of quality of life. Long-term exposure to noise can cause hearing loss and even induce some diseases. To stay away from noise, all we can do is sound absorption and sound insulation. Sound-absorbing cotton can convert the vibration energy of medium and high-frequency noise generated in life into the kinetic energy of the fine denier fibers inside the sound-absorbing cotton and conduct it into heat energy and disappear, achieving the function of sound absorption and noise reduction. [0004] Sound-absorbing cotton can be laminated with multiple layers of non-woven fabrics, or combined with other materials to make sound-absorbing and sound-insulating materials. Non-woven fabrics are o...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D04H1/4374D04H1/4291B32B27/02B32B27/18B32B27/32G10K11/168
Inventor 王黎明孙益民章云
Owner 芜湖跃飞新型吸音材料股份有限公司
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