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Two-component high-temperature-resisting adhesive for assembling loudspeaker and preparation method thereof

A technology of high temperature resistant adhesive and high temperature resistant additive, applied in the direction of adhesives, adhesive additives, natural rubber adhesives, etc., can solve problems such as viscosity increase, and achieve the effect of easy operation, simple method and simplified production process

Active Publication Date: 2014-04-16
江苏东禾电声配件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is almost no shrinkage after curing. The special epoxy structural adhesive can withstand high temperature of 250°C, but the temperature in winter is low, and its viscosity increases seriously. If it is not heated, it cannot be operated at all.

Method used

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  • Two-component high-temperature-resisting adhesive for assembling loudspeaker and preparation method thereof
  • Two-component high-temperature-resisting adhesive for assembling loudspeaker and preparation method thereof
  • Two-component high-temperature-resisting adhesive for assembling loudspeaker and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0034] The preparation method of the two-component high-temperature-resistant adhesive for speaker assembly provided by the present invention comprises the following steps:

[0035] (1) Preparation of the main ingredient: mix the monomers, reinforced resin, toughened rubber, plasticizer, accelerator and filler in proportion, put them into the reaction kettle and stir at 60-70°C for 10-15 hours, Make it into a uniform liquid, when the temperature returns to room temperature, add a stabilizer and a high-temperature-resistant additive in proportion, and stir for 1 to 2 hours to obtain the main ingredient;

[0036] (2) Preparation of curing agent: After mixing the monomers, reinforced resin, toughened rubber and filler in proportion, put them into the reaction kettle and stir at 60-70°C for 10-15 hours to make it a uniform liquid. When returning to room temperature, add stabilizer, initiator and high-temperature-resistant additive in proportion, and stir for 1 to 2 hours to obtain...

Embodiment 1

[0039]

[0040] The ratio of main agent and curing agent is 1:1.

Embodiment 2

[0042]

[0043]

[0044] The ratio of main agent and curing agent is 1.2:1.

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Abstract

The invention discloses a two-component high-temperature-resisting adhesive for assembling a loudspeaker. The two-component high-temperature-resisting adhesive comprises a main agent and a curing agent, wherein the main agent comprises the following ingredients in parts by weight: 40 to 60 parts of monomer, 5 to 15 parts of reinforcing resin, 0.5 to 1.5 parts of plasticizer, 0.2 to 0.8 part of stabilizer, 3.2 to 3.8 parts of promoter, 5 to 15 parts of filler, 15 to 25 parts of toughening rubber and 2 to 8 parts of high-temperature-resisting additive; the curing agent comprises the following ingredients in parts by weight: 40 to 60 parts of monomer, 5 to 15 parts of reinforcing resin, 0.5 to 1.5 parts of stabilizer, 2 to 4 parts of initiator, 5 to 15 parts of filler, 5 to 15 parts of toughening rubber and 4 to 8 parts of high-temperature-resisting additive. The adhesive can be cured at normal temperature, and the high-temperature-resisting effect is good.

Description

technical field [0001] The invention relates to an adhesive, in particular to a two-component high-temperature-resistant adhesive for loudspeaker assembly and a preparation method thereof. Background technique [0002] At the center of the loudspeaker, the voice coil / fixed core support / sound cone are bonded together. This is the center of the driving force of the loudspeaker to ensure that the vibration system of the loudspeaker moves along the axial direction without any looseness. It is required that the curing time of the center glue is short (to meet the requirements of the assembly process), and it can withstand high temperature (the voice coil is the heat source of the speaker). In the center of the speaker, due to the heating of the voice coil, the temperature here is relatively high, especially for high-power speakers with hundreds of watts to thousands of watts, the temperature is higher, so the requirements for the adhesive are also higher. [0003] For speaker un...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J4/02C09J4/06C09J111/00C09J109/02C09J109/06C09J123/34C09J133/04C09J109/00C09J123/22C09J107/00C09J167/06C09J11/04C09J11/06
Inventor 刘群柱
Owner 江苏东禾电声配件有限公司
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