Polytetrafluoroethylene/polyurethane/polypropylene elastic composite sound-absorbing cotton and preparation method thereof

A technology of polytetrafluoroethylene and polypropylene, which is applied in the field of polytetrafluoroethylene/polyurethane/polypropylene elastic composite sound-absorbing cotton and its preparation, can solve problems such as pollution, human health and adverse indoor environment, and achieve a wide range of applications, Excellent mechanical properties and high stability

A technology of polytetrafluoroethylene and polypropylene, which is applied in the field of polytetrafluoroethylene/polyurethane/polypropylene elastic composite sound-absorbing cotton and its preparation, can solve problems such as pollution, human health and adverse indoor environment, and achieve a wide range of applications, Excellent mechanical properties and high stability

CN105239200AInactive Publication Date: 2016-01-13安庆市花蕾纺织材料有限公司
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Embodiment Construction

[0014] A polytetrafluoroethylene / polyurethane / polypropylene elastic composite sound-absorbing cotton, which is made from the following raw materials in parts by weight:

[0015] Thermoplastic polyurethane 10, polypropylene 25, polytetrafluoroethylene powder 5, sodium palmitate 0.5, polypropylene glycol 0.5, acetyl tributyl citrate 3, attapulgite 4, antioxidant 10100.1, sodium caseinate 0.5, modified silica gel Solution 10;

[0016] Wherein the modified silica gel solution is made of the following raw materials in parts by weight: styrene-acrylic emulsion 1, sodium silicate 6, polyvinyl alcohol 1, sucrose 1, castor oil polyoxyethylene ether 0.1, dimethyl silicone oil 0.5, water 80; The preparation method of the non-toxic silica gel solution is to add sodium silicate, sucrose, castor oil polyoxyethylene ether and simethicone into water and stir evenly, adjust the pH to 6 with 6% sulfuric acid solution, and then add the rest at 80°C Stir the raw materials for 0.5h, let stand for...

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Abstract

The present invention discloses a polytetrafluoroethylene / polyurethane / polypropylene elastic composite sound-absorbing cotton, which is prepared from the following raw materials by weight: 10-15 parts of thermoplastic polyurethane, 25-35 parts of polypropylene, 5-10 parts of polytetrafluoroethylene micro-powder, 0.5-1 part of sodium palmitate, 0.5-1 part of polypropylene glycol, 3-5 parts of acetyl tributyl citrate, 4-6 parts of attapulgite, 0.1-0.2 part of an antioxidant 1010, 0.5-1 part of sodium caseinate, and 10-15 parts of a modified silica gel solution. The polytetrafluoroethylene / polyurethane / polypropylene elastic composite sound-absorbing cotton of the present invention has characteristics of effective medium-low frequency noise absorbing control, good sound absorption performance, excellent mechanical property, high stability, corrosion resistance, aging resistance, dust preventing, easy cleaning, and wide application range.

Description

technical field [0001] The invention relates to the technical field of sound-absorbing materials, in particular to a polytetrafluoroethylene / polyurethane / polypropylene elastic composite sound-absorbing cotton and a preparation method thereof. Background technique [0002] With the continuous development of economy and urban construction, noise pollution is becoming more and more serious, which brings adverse effects on people's daily life and study. Reducing the harm caused by noise has become an important issue. People make sound-absorbing materials to prevent and control noise, so that the noise is isolated or weakened. Among them, porous materials have a wide range of sound-absorbing frequencies and are widely used. The characteristic of porous sound-absorbing materials is that the sound-absorbing performance of the high-frequency band is better than that of the low-frequency band, and it is difficult to block the middle and low-frequency noise. By changing the material ...

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

Patent Timeline
13 Jan 2016
Publication
CN105239200A
IPC
D01F8/06; D01F8/10; D01F8/16; D01F1/10; C08L23/12; C08L75/04; C08L27/18; C08L71/08; C08K13/06; C08K9/04; C08K5/098; C08K5/11; C08K3/34; C08K5/134
Inventors
方逐昌