A kind of sound-absorbing rubber composite material and preparation method thereof
A composite material and sound-absorbing rubber technology, applied in the field of functional materials, can solve the problems of low sound-absorbing performance, achieve high melting temperature, excellent mechanical properties, and simple process
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Embodiment 1
[0027] The sound-absorbing rubber composite material of the present invention, its preparation method is as follows:
[0028] (1) Preparation of plaster
[0029] Get the gypsum of the above ingredients, grind it into gypsum powder with a particle size of 30-50 microns, and set aside;
[0030] (2) Polypropylene Preparation of plastic
[0031] Will Polypropylene The plastic is heated to 165°C to obtain a molten Polypropylene plastic, spare;
[0032] (3) Preparation Polypropylene Gypsum Mixture
[0033] Add the gypsum powder obtained in step (1) to the molten gypsum obtained in step (2) at a weight ratio of 1:10 Polypropylene Plastic, and stir evenly, then naturally cool to room temperature to get Polypropylene gypsum mixture; then the Polypropylene Put the gypsum mixture into the upper space of liquid nitrogen in the liquid nitrogen pool at -170°C, keep it warm for 10 minutes, then take it out and crush it. Polypropylene The powder of the gypsum mixture, the pa...
Embodiment 2
[0037] The sound-absorbing rubber composite material of the present invention, its preparation method is as follows:
[0038] (1) Preparation of plaster
[0039] Get the gypsum of the above ingredients, grind it into gypsum powder with a particle size of 30-50 microns, and set aside;
[0040] (2) Polypropylene Preparation of plastic
[0041] Will Polypropylene The plastic is heated to 170°C to obtain a molten Polypropylene plastic, spare;
[0042] (3) Preparation Polypropylene Gypsum Mixture
[0043] Add the gypsum powder obtained in step (1) to the molten gypsum obtained in step (2) at a weight ratio of 1.2:10 Polypropylene Plastic, and stir evenly, then naturally cool to room temperature to get Polypropylene gypsum mixture; then the Polypropylene Put the gypsum mixture into the upper space of liquid nitrogen in the liquid nitrogen pool at -175°C, keep it warm for 13 minutes, then take it out and crush it. Polypropylene The powder of the gypsum mixture, the ...
Embodiment 3
[0047] The sound-absorbing rubber composite material of the present invention, its preparation method is as follows:
[0048] (1) Preparation of plaster
[0049] Get the gypsum of the above ingredients, grind it into gypsum powder with a particle size of 30-50 microns, and set aside;
[0050] (2) Polypropylene Preparation of plastic
[0051] Will Polypropylene The plastic is heated to 172°C to obtain a molten Polypropylene plastic, spare;
[0052] (3) Preparation Polypropylene Gypsum Mixture
[0053] Add the gypsum powder obtained in step (1) to the molten gypsum obtained in step (2) at a weight ratio of 1.5:10 Polypropylene Plastic, and stir evenly, then naturally cool to room temperature to get Polypropylenegypsum mixture; then the Polypropylene Put the gypsum mixture into the upper space of the liquid nitrogen in the -180°C liquid nitrogen pool, keep it warm for 15 minutes, then take it out and crush it. Polypropylene The powder of the gypsum mixture, the ...
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Abstract
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