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Barium sulfate reinforced polypropylene sound insulation composite material

A composite material, polypropylene technology, applied in the field of barium sulfate reinforced polypropylene sound insulation composite material, to achieve the effect of good sound insulation, low cost and good processing performance

Inactive Publication Date: 2012-12-12
HONGSHENG PLASTICS HANGZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The technical problem solved by the present invention is: to provide a barium sulfate reinforced polypropylene sound insulation composite material, which overcomes the large amount of polymer materials contained in the sound insulation materials of the prior art However, the technical problem that leads to a substantial increase in cost, the present invention also overcomes the hidden dangers buried in the safety of people by the lead contained in the existing sound insulation materials.

Method used

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  • Barium sulfate reinforced polypropylene sound insulation composite material

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Embodiment approach

[0022] The embodiment of the present invention is as follows: a barium sulfate reinforced polypropylene sound insulation composite material, its components and weight percentage content are: polypropylene: 15%-40%, barium sulfate with a particle size of 1-100 microns: 30- 60%, talc powder with a particle size of 1-100 microns: 25-40%, coupling agent: 0.5-2%, lubricant: 0.1-1%, stabilizer: 0.1-0.3%. The invention provides a modified polypropylene sound insulation composite material, which uses PP, barium sulfate, talcum powder, coupling agent, lubricant and stabilizer, and the modified polypropylene sound insulation composite material made of these components has good sound insulation effect , also has the characteristics of non-toxic, lead-free, high strength, good processing performance, and low cost. The barium sulfate reinforced polypropylene sound insulation composite material of the present invention especially introduces barium sulfate into the material composition, so t...

Embodiment 1

[0028] Polypropylene: 20%, barium sulfate with a particle size of 1-100 microns: 50%, talc powder with a particle size of 1-100 microns: 27.5%, coupling agent: 1.8%, lubricant: 0.5%, stabilizer: The ratio of 0.2% is uniformly mixed, and the mixed raw materials are extruded and pelletized in a twin-screw mixing extruder, and then the pelletized modified polypropylene sound insulation composite material is prepared by mold molding into 25.5cm×25.5cm×0.36 cm sound insulation board.

[0029] The sound insulation performance of the prepared polypropylene composite sound insulation board was tested by the following method.

[0030]

[0031] The BSWA VS302USB two-channel analyzer produced by Beijing Shengwang Electric Technology Co., Ltd. is used. Measure with reference to ISOR140-1, ISOR140-170 standards for sound insulation measurement of buildings and building components. The backing of the test is air, the A-weighting network is selected, and the pink background noise source h...

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Abstract

The invention relates to a barium sulfate reinforced polypropylene sound insulation composite material which comprises, by weight, 15-40% of polypropylene, 30-60% of barium sulfate with grain size as 1-100 micrometers, 25-40% of talcum powder with the grain size as 1-100 micrometers, 0.5-2% of coupling reagent, 0.1-1% of lubricant and 0.1-0.3 of stabilizer. The barium sulfate reinforced polypropylene sound insulation composite material is made of polypropylene (PP), barium sulfate, talcum powder, coupling reagent, lubricant and stabilizer and has the advantages of being good in sound insulation effect, non-toxic, lead-free, high in strength, good in processability and low in cost. Barium sulfate is led into material components, surface density of the material is obviously increased, and the barium sulfate reinforced polypropylene sound insulation composite material can be widely used for sound insulation processing in the field of building industry, decorating and the like and can effectively insulate sound and reduce noise.

Description

Technical field: [0001] The invention relates to a barium sulfate reinforced polypropylene sound insulation composite material, which has good sound insulation and noise reduction performance. [0002] Background technique: [0003] With the rapid development of social economy and people's continuous pursuit of high-quality life, the problem of noise pollution has become more prominent. The existence of noise can not only cause people's psychological troubles, affect people's work, study and rest; it can also affect people's health, especially causing great harm to hearing. The progress and development of human society is achieved by human activities. Good rest and efficient study and work are the basic guarantees for social progress. Therefore, the development of new sound insulation and noise reduction materials and the research of noise control technology are particularly important. [0004] The sound insulation effect of sound insulation materials is characterized b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08K13/02C08K3/30C08K3/34
Inventor 郁巨华俞来明杨特制
Owner HONGSHENG PLASTICS HANGZHOU
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