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Ultra-light hot-melt damping panel

A technology of hot-melt damping plate, applied in the field of damping plate, can solve the problems of reducing the density of damping plate and high density of hot-melt damping plate, and achieve the effect of reducing labor intensity and light density

Inactive Publication Date: 2017-11-14
盐城市宝光车用材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the above problems, the object of the present invention is to provide an ultra-light hot-melt damping plate; the ultra-light hot-melt damping plate solves the problem of high density of the current hot-melt damping plate. Beads replace part of the calcium carbonate to achieve the purpose of reducing the density of the damping plate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] An ultra-light hot-melt damping plate, the ultra-light hot-melt damping plate by mass percentage, asphalt: 34%, modifier: 5%, additives: 4%, mica powder: 6%, calcium carbonate : 35%, glass beads: 16%.

[0019] The modified epoxy resin is bisphenol A type epoxy resin.

[0020] The auxiliary agent is melamine formaldehyde resin.

[0021] The preparation method of the described ultra-light hot-melt damping plate is:

[0022] (1) When the heating temperature of the kneader reaches about 220±10°C, put in the weighed asphalt and modifier;

[0023] (2) After they are completely melted into a liquid, add additives and stir for half an hour;

[0024] (3) Then add mica powder, calcium carbonate successively, and finally add glass microspheres;

[0025] (4) Stir for 45 minutes, and when the mixture reaches a uniform paste, open the extrusion screw to discharge;

[0026] (5) Finally, it is cut into finished products of various specifications by a cutting machine, and is put in...

Embodiment 2

[0028] An ultra-light hot-melt damping plate, the ultra-light hot-melt damping plate by mass percentage, asphalt: 33%, modifier: 5%, auxiliary agent: 5%, mica powder: 6%, calcium carbonate : 31%, glass beads: 20%.

[0029] The modified epoxy resin is bisphenol A type epoxy resin.

[0030] The auxiliary agent is melamine formaldehyde resin.

[0031] The preparation method of the described ultra-light hot-melt damping plate is:

[0032] (1) When the heating temperature of the kneader reaches about 220±10°C, put in the weighed asphalt and modifier;

[0033] (2) After they are completely melted into a liquid, add additives and stir for half an hour;

[0034] (3) Then add mica powder, calcium carbonate successively, and finally add glass microspheres;

[0035] (4) Stir for 45 minutes, and when the mixture reaches a uniform paste, open the extrusion screw to discharge;

[0036] (5) Finally, it is cut into finished products of various specifications by a cutting machine, and is ...

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Abstract

The invention discloses an ultra-light hot-melt damping panel. The ultra-light hot-melt damping panel comprises the following materials by weight percent: 30.1-34.4% of pitch, 4.5-5.6% of modifier, 3.3-6.9% of additives, 5.1-6.2% of mica powder, 30.4-41.2% of calcium carbonate and 15.8-23.4% of glass beads. The ultra-light hot-melt damping panel can solve the problem of high density of the hot-melt damping panel at present. A high-performance hollow glass bead is used for replacing local calcium carbonate, so that the purpose of reducing the density of the damping panel is achieved.

Description

technical field [0001] The invention relates to a damping plate, in particular to an ultra-light hot-melt damping plate. Background technique [0002] The damping plate is often used in the painting station of the automobile factory, and its function is to absorb shock and sound. Usually, the hot-melt damping plate is composed of base material asphalt, modifiers, additives, mica powder, calcium carbonate and other inorganic fillers. Generally, the density of mica powder is 2.7-3.5, and the density of calcium carbonate is 2.7-2.95. The proportion of these two components in the damping plate should account for about 60%, so the final density of the damping plate is also about 1.8-1.9. The amount of this hot-melt damping plate used in a car is 7-9kg. [0003] The disadvantage of this kind of damping plate is that it has a high density, which is not conducive to the development of lightweight automobiles. At the same time, the damping plate is laid manually, and the labor inte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08L63/00C08L61/28C08K13/04C08K7/28C08K3/34C08K3/26C09J7/02
CPCC08K2003/265C08L95/00C08L2205/03C09J2203/31C09J2301/304C09J2301/41C08L63/00C08L61/28C08K13/04C08K7/28C08K3/34C08K3/26
Inventor 苏林生
Owner 盐城市宝光车用材料有限公司
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