CN101735530A - Flame-retardant sound insulation composite material and sound insulation component - Google Patents
Flame-retardant sound insulation composite material and sound insulation component Download PDFInfo
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Abstract
本发明涉及一种阻燃隔声复合材料，所述阻燃隔声复合材料的组分及其重量百分比含量为：聚氯乙烯：5％-30％，氯化聚乙烯：5％-30％，粒径为10-100微米的铁粉：15％-80％，偶联剂：0.5％-2％，助剂：9.5％-23％。本发明提供一种阻燃隔声复合材料，采用PVC、氯化聚乙烯、粒径为10-100微米的铁粉、偶联剂以及助剂，这些组分制作的阻燃隔声复合材料阻燃隔声效果好，还具有阻燃、无毒、无铅、强度高、可施工性好的特点，并且成本低。本发明阻燃隔声复合材料特别是在材料成份中引入了氯化聚乙烯，使材料的增塑剂用量减少并具有较好的柔软性，可广泛用于建筑行业、装饰领域等的隔声处理，使用此种隔声材料复合可有效地降低噪声，材料的隔声指数达到25-32分贝。The invention relates to a flame-retardant and sound-insulating composite material. The components and weight percentages of the flame-retardant and sound-insulating composite material are: polyvinyl chloride: 5%-30%, chlorinated polyethylene: 5%-30% , Iron powder with a particle size of 10-100 microns: 15%-80%, coupling agent: 0.5%-2%, auxiliary agent: 9.5%-23%. The invention provides a flame-retardant and sound-insulating composite material, which uses PVC, chlorinated polyethylene, iron powder with a particle size of 10-100 microns, a coupling agent and an auxiliary agent. The flame-retardant and sound-insulating composite material made of these components It has good flame and sound insulation effect, and also has the characteristics of flame retardant, non-toxic, lead-free, high strength, good constructability, and low cost. In particular, the flame-retardant and sound-insulating composite material of the present invention introduces chlorinated polyethylene into the material composition, which reduces the amount of plasticizer used in the material and has good flexibility, and can be widely used in sound insulation in the construction industry, decoration field, etc. Treatment, the use of this sound insulation material compound can effectively reduce noise, and the sound insulation index of the material reaches 25-32 decibels.
Description
技术领域technical field
本发明涉及一种复合材料及隔声部件，尤其涉及一种阻燃隔声复合材料及应用所述阻燃隔声复合材料的隔声部件。The invention relates to a composite material and a sound-insulating component, in particular to a flame-retardant and sound-insulating composite material and a sound-insulating component using the flame-retardant and sound-insulating composite material.
背景技术Background technique
随着社会的工业化发展，作为三大污染之一的噪声污染问题也显得越来越突出。噪声会危害人的听觉系统，如果长期在噪声环境下，会使人疲倦、耳聋，甚至危及人的生命。同时噪声还会加速建筑、机器结构的老化和损坏，影响设备和仪器的使用精度和寿命等。因此，噪声的防治与控制已成为当今亟待解决的重要课题之一。With the development of social industrialization, the problem of noise pollution, one of the three major pollutions, is becoming more and more prominent. Noise can harm people's auditory system. If people are in a noisy environment for a long time, it will make people tired, deaf, and even endanger their lives. At the same time, noise will also accelerate the aging and damage of buildings and machine structures, and affect the accuracy and lifespan of equipment and instruments. Therefore, the prevention and control of noise has become one of the important issues to be solved urgently.
噪声的防治与控制应考虑到由声源、传播途径及接受者三个环节组成的声学系统。由于第一和第三个环节属于客观存在，故人们主要着重于传播控制。目前，常用的控制噪声的方法是吸声和隔声。所谓吸声即采取吸声材料、吸声结构降低反射引起的混响声，从而达到控制噪声的目的；隔声即利用隔声材料或隔声结构隔离或阻挡声能的传播，把噪声与其它环境隔离开以达到噪声的防治及控制。虽然二者的原理不尽相同，前者是对同一环境而言，是靠声波的粘性流动损失及分子间相对运动引起的内摩擦将声能转化成热能散失掉，材料多为多孔疏松结构；而后者则是另一环境相对噪声环境而言，材料多为致密厚实结构。但隔声也包括吸声部分，即吸声的同时也有利于隔声。The prevention and control of noise should take into account the acoustic system composed of three links: sound source, transmission path and receiver. Since the first and third links belong to objective existence, people mainly focus on communication control. At present, the commonly used methods of controlling noise are sound absorption and sound insulation. The so-called sound absorption refers to the use of sound-absorbing materials and sound-absorbing structures to reduce the reverberation caused by reflection, so as to achieve the purpose of controlling noise; Isolated to achieve noise prevention and control. Although the principles of the two are different, the former is for the same environment, and the sound energy is converted into heat energy by the internal friction caused by the viscous flow loss of the sound wave and the relative motion between molecules, and the material is mostly porous and loose structure; while the latter In another environment, compared with the noise environment, the materials are mostly dense and thick structures. But sound insulation also includes sound absorption, that is, sound absorption is also conducive to sound insulation.
隔声材料的隔声效果用隔声量来表征。理论分析和试验研究表明，对于单层均质的隔声构件，其隔声性能主要是随着构件的面密度和声波的频率不同而变化的，其隔声效果服从质量定律：R＝18×lgρ+12×lgf-25，式中，R(dB)为某一频率下的隔声量，ρ(kg/m2)为材料的面密度，f(Hz)为入射声波的频率。从上可看出，提高材料的隔声效果可通过提高材料的单位面积质量来实现。The sound insulation effect of sound insulation materials is characterized by sound insulation. Theoretical analysis and experimental research show that for a single-layer homogeneous sound insulation component, its sound insulation performance mainly changes with the surface density of the component and the frequency of the sound wave, and its sound insulation effect obeys the mass law: R=18× lgρ+12×lgf-25, where R (dB) is the sound insulation at a certain frequency, ρ (kg/m 2 ) is the surface density of the material, and f (Hz) is the frequency of the incident sound wave. It can be seen from the above that improving the sound insulation effect of materials can be achieved by increasing the mass per unit area of materials.
关于吸声材料及其相关结构等方面已有大量实验研究，并开发出许多应用广泛的新材料和新技术。而关于隔声材料的研制和应用虽历时已久，但目前通用的隔声材料都存在一些非此即彼的缺点，比如成本高、含有毒物质、多为硬质材料不易二次加工和难施用于不规则物体的隔声处理，从而使其应用受限。经文献检索发现，中国专利号为：02157782.X，专利名称为：高比重的隔声复合材料，公布了一种高密度隔声复合材料，该专利通过偶联剂把PVC和直径2-60微米的钨粉结合，制成一种隔声效果较好、无毒的隔声材料。其材料成份为钨粉和PVC和偶联剂，通过注塑、模压成型，用于做都市高架轨道交通、航空和港口的隔声材料，以及建筑行业轻质墙板夹层的隔声处理，使用此种隔声复合材料可以有效地降低噪声。但该材料由于采用了含铅的稳定剂，并且钨粉价格偏高，从而限制了材料的使用范围。There have been a lot of experimental research on sound-absorbing materials and their related structures, and many new materials and technologies have been developed. Although the development and application of sound insulation materials has been going on for a long time, the current general sound insulation materials have some disadvantages of either one or the other, such as high cost, containing toxic substances, mostly hard materials, difficult secondary processing and difficult Applied to the sound insulation treatment of irregular objects, so that its application is limited. After literature search, it is found that the Chinese patent number is: 02157782.X, and the patent name is: high specific gravity sound insulation composite material. A high density sound insulation composite material is announced. The patent uses a coupling agent to combine PVC and Micron tungsten powder is combined to make a non-toxic sound insulation material with good sound insulation effect. Its material composition is tungsten powder, PVC and coupling agent. Through injection molding and compression molding, it is used as sound insulation material for urban elevated rail transit, aviation and ports, as well as sound insulation treatment of light wall panel interlayer in construction industry. A sound insulation composite material can effectively reduce noise. However, due to the use of a lead-containing stabilizer and the high price of tungsten powder, this material limits the scope of use of the material.
发明内容Contents of the invention
本发明解决的技术问题是：提供一种阻燃隔声复合材料，克服现有技术的隔声材料中含有钨粉材料导致成本大幅升高的技术问题。本发明还克服现有技术隔声材料中的稳定剂中含铅，而铅对人体有危害的技术问题。The technical problem solved by the invention is to provide a flame-retardant and sound-insulating composite material, which overcomes the technical problem that the sound-insulating material contains tungsten powder material in the prior art and the cost is greatly increased. The invention also overcomes the technical problem that the stabilizer in the sound insulation material in the prior art contains lead, and the lead is harmful to the human body.
本发明的技术方案是：提供一种阻燃隔声复合材料，所述阻燃隔声复合材料的组分及其重量百分比含量为：聚氯乙烯：5％-30％，氯化聚乙烯：5％-30％，粒径为10-100微米的铁粉：15％-80％，硅烷偶联剂：0.5％-2％，助剂：9.5％-23％。The technical solution of the present invention is to provide a flame-retardant and sound-insulating composite material. The components and weight percentages of the flame-retardant and sound-insulating composite material are: polyvinyl chloride: 5%-30%, chlorinated polyethylene: 5%-30%, iron powder with a particle size of 10-100 microns: 15%-80%, silane coupling agent: 0.5%-2%, additives: 9.5%-23%.
本发明的进一步技术方案是：所述的聚氯乙烯为聚合度1000-2000的软质PVC粉体。A further technical solution of the present invention is: the polyvinyl chloride is a soft PVC powder with a degree of polymerization of 1000-2000.
本发明的进一步技术方案是：所述的氯化聚乙烯为氯含量为30％-45％的氯化聚乙烯粉体。A further technical solution of the present invention is: the chlorinated polyethylene is a chlorinated polyethylene powder with a chlorine content of 30%-45%.
本发明的进一步技术方案是：所述的聚氯乙烯与氯化聚乙烯的用量比例为1∶1～1∶6。A further technical proposal of the present invention is: the dosage ratio of the polyvinyl chloride to the chlorinated polyethylene is 1:1-1:6.
本发明的进一步技术方案是：所述的偶联剂为硅烷类偶联剂中的一种或几种。A further technical solution of the present invention is: the coupling agent is one or more of silane coupling agents.
本发明的进一步技术方案是：所述的助剂为稳定剂、增塑剂、阻燃剂和抗老化剂中的一种或几种。The further technical solution of the present invention is: the auxiliary agent is one or more of stabilizers, plasticizers, flame retardants and antiaging agents.
本发明的技术方案是：提供一种采用上述任一权利要求所述的阻燃隔声复合材料制作的隔声部件。The technical solution of the present invention is to provide a sound insulation component made of the flame-retardant and sound-insulation composite material described in any one of the above claims.
本发明的技术效果是：提供一种阻燃隔声复合材料，采用聚氯乙烯、氯化聚乙烯、粒径为10-100微米的铁粉、偶联剂以及助剂，这些组分制作的阻燃隔声复合材料阻燃隔声效果好，还具有阻燃、无毒、无铅、强度高、可施工性好和成本低的特点。本发明阻燃隔声复合材料特别是在材料成份中引入了氯化聚乙烯，使材料的增塑剂用量减少并具有较好的柔软性，可广泛用于建筑行业、装饰领域等的隔声处理，使用此种隔声材料复合可有效地降低噪声，材料的隔声指数达到25-32分贝。The technical effect of the present invention is to provide a flame-retardant and sound-insulating composite material, which is made of polyvinyl chloride, chlorinated polyethylene, iron powder with a particle size of 10-100 microns, coupling agent and auxiliary agent. The flame retardant and sound insulation composite material has good flame retardant and sound insulation effect, and also has the characteristics of flame retardant, non-toxic, lead-free, high strength, good constructability and low cost. In particular, the flame-retardant and sound-insulating composite material of the present invention introduces chlorinated polyethylene into the material composition, which reduces the amount of plasticizer used in the material and has good flexibility, and can be widely used in sound insulation in the construction industry, decoration field, etc. Treatment, the use of this sound insulation material compound can effectively reduce noise, and the sound insulation index of the material reaches 25-32 decibels.
具体实施方式Detailed ways
下面结合具体实施例，对本发明技术方案进一步说明。The technical solutions of the present invention will be further described below in conjunction with specific embodiments.
本发明的具体实施方式如下：本发明提供一种阻燃隔声复合材料，所述阻燃隔声复合材料的组分及其重量百分比含量为：聚氯乙烯：5％-30％，氯化聚乙烯：5％-30％，粒径为10-100微米的铁粉：15％-80％，硅烷偶联剂：0.5％-2％，助剂：9.5％-23％。本发明提供一种阻燃隔声复合材料，采用PVC、氯化聚乙烯、粒径为10-100微米的铁粉、硅烷偶联剂以及助剂，这些组分制作的阻燃隔声复合材料阻燃隔声效果好，还具有阻燃、无毒、无铅、强度高、可施工性好的特点，并且成本低。本发明阻燃隔声复合材料特别是在材料成份中引入了CPE，使材料的增塑剂用量减少并具有较好的柔软性，可广泛用于建筑行业、装饰领域等的隔声处理，使用此种隔声材料复合可有效地降低噪声，材料的隔声指数达到20-25分贝。本发明优选实施例是：所述的聚氯乙烯为聚合度1000-2000的软质PVC粉体，所述的氯化聚乙烯为氯含量为30％-45％的氯化聚乙烯粉体，所述的偶联剂为硅烷偶联剂中的一种或几种，所述的助剂为稳定剂、增塑剂、阻燃剂和抗老化剂中的一种或几种。The specific implementation of the present invention is as follows: The present invention provides a flame-retardant and sound-insulating composite material. The components and weight percentages of the flame-retardant and sound-insulating composite material are: Polyethylene: 5%-30%, iron powder with a particle size of 10-100 microns: 15%-80%, silane coupling agent: 0.5%-2%, additives: 9.5%-23%. The invention provides a flame-retardant and sound-insulating composite material, which uses PVC, chlorinated polyethylene, iron powder with a particle size of 10-100 microns, silane coupling agent and auxiliary agent, and the flame-retardant and sound-insulating composite material made of these components The flame-retardant sound insulation effect is good, and it also has the characteristics of flame-retardant, non-toxic, lead-free, high strength, good constructability, and low cost. In particular, the flame-retardant and sound-insulating composite material of the present invention introduces CPE into the material composition, so that the amount of plasticizer used in the material is reduced and the material has good flexibility. This kind of sound insulation material composite can effectively reduce noise, and the sound insulation index of the material reaches 20-25 decibels. A preferred embodiment of the present invention is: the polyvinyl chloride is a soft PVC powder with a polymerization degree of 1000-2000, the chlorinated polyethylene is a chlorinated polyethylene powder with a chlorine content of 30%-45%, The coupling agent is one or more of silane coupling agents, and the auxiliary agent is one or more of stabilizer, plasticizer, flame retardant and antiaging agent.
本发明阻燃隔声复合材料的制作过程如下：将所述阻燃隔声复合材料的组分及其重量百分比含量按PVC：5％-30％，氯化聚乙烯：5％-30％，粒径为10-100微米的铁粉：15％-80％，硅烷偶联剂：0.5％-2％，助剂：9.5％-23％的比例均匀混合，然后将混合后的原料在开炼机上混炼(加工温度为140～190℃，混炼时间为10～20分钟)。混炼后的阻燃隔声复合材料即可制成成品投入使用。本发明的具体实施方式中，将混炼后的阻燃隔声复合材料制成薄片板材，然后使用板材进行阻燃隔声使用。The production process of the flame-retardant and sound-insulating composite material of the present invention is as follows: the components and weight percentages of the flame-retardant and sound-insulating composite material are calculated according to PVC: 5%-30%, chlorinated polyethylene: 5%-30%, Iron powder with a particle size of 10-100 microns: 15%-80%, silane coupling agent: 0.5%-2%, additives: 9.5%-23% are evenly mixed, and then the mixed raw materials are mixed in the kneading On-machine mixing (processing temperature is 140-190°C, mixing time is 10-20 minutes). After kneading, the flame-retardant and sound-insulating composite material can be made into a finished product and put into use. In a specific embodiment of the present invention, the kneaded flame-retardant and sound-insulating composite material is made into a thin plate, and then the plate is used for flame-retardant and sound-insulating use.
本发明的具体实施例如下：Specific embodiments of the present invention are as follows:
对比例comparative example
商品隔音毡，厚度为2毫米的软质试样。Commercial sound insulation felt, a soft sample with a thickness of 2 mm.
实施例一Embodiment one
将各组分以下列配比均匀混合，并在开炼机上混炼，模压制成2毫米的软质薄片。PVC(聚合度1300)：25.5％，粒径为38微米的铁粉：51.1％，γ-(2，3-环氧丙氧)丙基三甲氧基硅烷：0.5％，硬脂酸：0.1％，钙锌复合稳定剂：1％，邻苯二甲酸二辛酯：5.1％，亚磷酸三苯酯：12.8％，硼酸锌：1.5％，三氧化钼：1.3％，三氧化二锑：1.5％。The components are uniformly mixed in the following proportions, kneaded on an open mill, and molded into a soft sheet of 2 mm. PVC (polymerization degree 1300): 25.5%, iron powder with a particle size of 38 microns: 51.1%, γ-(2,3-epoxypropoxy)propyltrimethoxysilane: 0.5%, stearic acid: 0.1% , calcium zinc composite stabilizer: 1%, dioctyl phthalate: 5.1%, triphenyl phosphite: 12.8%, zinc borate: 1.5%, molybdenum trioxide: 1.3%, antimony trioxide: 1.5% .
实施例二Embodiment two
将各组分以下列配比均匀混合，并在开炼机上混炼，模压制成2毫米的软质薄片；PVC(聚合度1300)：13.4％，氯化聚乙烯(氯含量40％)：13.4％，粒径为38微米的铁粉：53.4％，γ-(2，3-环氧丙氧)丙基三甲氧基硅烷：0.5％，硬脂酸：0.1％，钙锌复合稳定剂：1.1％，亚磷酸三苯酯：13.4％，硼酸锌：1.6％，三氧化钼：1.3％，三氧化二锑：1.6％。Mix the components uniformly in the following proportions, knead them on an open mill, and mold them into soft sheets of 2 mm; PVC (polymerization degree: 1300): 13.4%, chlorinated polyethylene (chlorine content: 40%): 13.4%, iron powder with a particle size of 38 microns: 53.4%, γ-(2,3-epoxypropoxy)propyltrimethoxysilane: 0.5%, stearic acid: 0.1%, calcium-zinc composite stabilizer: 1.1%, triphenyl phosphite: 13.4%, zinc borate: 1.6%, molybdenum trioxide: 1.3%, antimony trioxide: 1.6%.
表1为对比例与实施例一和实施例二的对比结果：Table 1 is the contrast result of comparative example and embodiment one and embodiment two:
表1Table 1
本发明还提供一种隔声部件，所述隔声部件采用上述阻燃隔声复合材料制作而成。本发明将混炼后的阻燃隔声复合材料制成薄片板材，然后使用板材制作成隔声部件进行隔声使用。本发明提供适合于显著减弱各种制品、装置、结构或设备中产生的振动和噪音的隔声部件。如间隔、外墙、隔音室以及可移动的间隔壁等。The present invention also provides a sound-insulating component, which is made of the above-mentioned flame-retardant and sound-insulating composite material. In the invention, the kneaded flame-retardant and sound-insulating composite material is made into a thin plate, and then the plate is used to make a sound-insulating component for sound-insulating use. The present invention provides sound insulating components suitable for significantly attenuating vibration and noise generated in various articles, devices, structures or equipment. Such as partitions, exterior walls, soundproof rooms, and movable partition walls.
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field of the present invention, without departing from the concept of the present invention, some simple deduction or replacement can be made, which should be regarded as belonging to the protection scope of the present invention.
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| CN102002190A (en) * | 2010-09-28 | 2011-04-06 | 南京乐金熊猫电器有限公司 | Polypropylene modified sound isolation material and preparation method thereof |
| CN103937137A (en) * | 2014-04-18 | 2014-07-23 | 安徽省中日农业环保科技有限公司 | Wear-resistant and flame-retardant composite sound-absorbing board material added with additive and preparation method of material |
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| CN107956400A (en) * | 2017-11-29 | 2018-04-24 | 国网湖南省电力有限公司 | A kind of substation's light sound-insulation folding door |
| CN107956400B (en) * | 2017-11-29 | 2023-09-19 | 国网湖南省电力有限公司 | A lightweight soundproof folding door for a substation |
| CN108093614A (en) * | 2017-12-13 | 2018-05-29 | 江西伟普科技有限公司 | A kind of preparation method that there is sound insulation to inhale ripple heat-insulating environment-protection type composite material |
| CN108093614B (en) * | 2017-12-13 | 2019-11-05 | 江西伟普科技有限公司 | The preparation method of wave heat-insulating environment-protection type composite material is inhaled in a kind of sound insulation |
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