Acoustic reinforcing material block with layered pore channel structure as well as manufacturing method and application thereof
A technology of reinforcing materials and channel structures, which is applied in applications, telephone structures, household appliances, etc., can solve problems such as incomplete filling, affecting material performance, and affecting performance, so as to achieve good sound quality, improve acoustic performance, and excellent sound performance effect
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Embodiment 1
[0095] This embodiment provides a method for manufacturing an acoustically enhanced material block with a layered channel structure, wherein the method includes the following steps:
[0096] (1) 50g of water, 50g of molecular sieve particles (zeolite particles, with an average particle size of 1.4μm), filler (2.5g of mica powder and 2.5g of alkali-free chopped glass fiber), 2g (in terms of solid content) of binder ( Polyacrylate suspension) and 0.05g thickener (CMC) are fully stirred and mixed to obtain a uniform slurry;
[0097] (2) The slurry obtained in step (1) is subjected to orientational freezing by using an orientational freezing device with a unidirectional temperature gradient environment, wherein the structural schematic diagram of the orientational freezing device with a unidirectional temperature gradient environment is as follows Figure 9 As shown, the device includes a Teflon loam cake 17 and a copper base 18 sealed between the Teflon loam cake 17;
[0098]The...
Embodiment 2
[0112] This embodiment provides a method for manufacturing an acoustically enhanced material block with a layered channel structure, wherein the method includes the following steps:
[0113] (1) 50g of water, 50g of molecular sieve particles (zeolite particles, with an average particle size of 1.4μm), filler (2.5g of mica powder and 2.5g of alkali-free chopped glass fiber), 2g (in terms of solid content) of binder ( Polyacrylate suspension) and 0.05g thickener (CMC) are fully stirred and mixed to obtain a uniform slurry;
[0114] (2) Orientation freezing of the slurry obtained in step (1) is performed using an orientation freezing device with a two-way temperature gradient environment, wherein the structural diagram of the orientation freezing device with a one-way temperature gradient environment is as follows Figure 10 As shown, the device includes a Teflon loam cake 17 and a copper base 18 sealed between the Teflon loam cake 17;
[0115] The freeze-orientation operation i...
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