CN102964712B - Atlapulgite modified composite sound absorbing material and preparation method thereof - Google Patents

Atlapulgite modified composite sound absorbing material and preparation method thereof Download PDF

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CN102964712B
CN102964712B CN 201210477968 CN201210477968A CN102964712B CN 102964712 B CN102964712 B CN 102964712B CN 201210477968 CN201210477968 CN 201210477968 CN 201210477968 A CN201210477968 A CN 201210477968A CN 102964712 B CN102964712 B CN 102964712B
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CN102964712A (en )
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王黎明
孙益民
章云
厉曼
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芜湖跃飞新型吸音材料股份有限公司
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Abstract

本发明公开了一种活性白土改性的复合吸音材料,其由下列重量份的原料制成:重晶石粉100-120、陶粒50-60、活性白土40-50、苯丙乳液80-90、改性树木灰烬55-65、云母粉15-20、聚酰亚胺纤维20-30、纳米碳10-20、EVA20-30、CPE15-20、POM5-10、邻苯二甲酸酯5-8、磷酸三乙酯4-6、硬脂酸钙2-3、硬脂酸锌1-2。 The present invention discloses a modified attapulgite composite sound absorbing material, which is made from the following raw materials by weight: 100-120 barite powder, ceramic 50-60, activated clay, 40-50, 80-90 acrylic emulsion , 55-65 modified ash trees, mica powder, 15-20, 20-30 polyimide fiber, nanocarbon 10-20, EVA20-30, CPE15-20, POM5-10, phthalate 5- 8, triethyl phosphate, 4-6, 2-3, calcium stearate, zinc stearate 1-2. 本发明解决了目前急吸音材料的研发问题,制造出了满足需求的能够经受严酷环境考验,具有拉伸强度高、伸长率高、断裂强度高、吸音效果好等优点的新型吸音材料。 The present invention solves the problem of developing acute sound absorbing material, to create a new sound absorbing material needs to withstand the harsh environment of the test is possible, with high tensile strength, high elongation, high tensile strength, good sound-absorbing effect of the advantages.

Description

一种活性白土改性的复合吸音材料及其制备方法 One kind of modified attapulgite composite sound absorbing material and method

技术领域 FIELD

[0001] 本发明涉及一种活性白土改性的复合吸音材料及其制备方法,属于材料研究与生产技术领域。 [0001] The present invention relates to a composite material and method for preparing the sound absorbing attapulgite modified natural material research and production technical field.

背景技术 Background technique

[0002] 随着工业生产、交通运输、城市建筑的发展,以及人口密度的增加,家庭设施(音响、空调、电视机等)的增多,环境噪声日益严重,它已成为污染人类社会环境的一大公害。 [0002] With the increase in industrial production, transportation, urban development architecture, as well as increased population density, household facilities (stereo, air conditioning, TV, etc.), and the increasingly serious environmental noise, it has become a social environment of human pollution big nuisance. 噪声不仅会影响听力,而且还对人的心血管系统、神经系统、内分泌系统产生不利影响。 Noise not only affects hearing, but also adversely affect the cardiovascular system, nervous system, endocrine system.

[0003] 现有吸音材料也有复合型的,但是无机物料与有机物料复合的性能指标优异的较少。 [0003] The conventional sound absorbing material has a composite type, but less inorganic material with excellent composite performance organic materials. 从整体上看,我国吸音材料行业产品加工能力不足,在高端吸音材料的研发和生产上与发达国家相比存在着较大的差距,如:各种类型交通工具(客车、地铁、高铁),尤其是近年载人航天器等吸音材料的需求,与产品最大的市场一建筑业也缺乏衔接,缺乏市场意识和建筑产品加工能力。 Overall, China's lack of sound-absorbing materials industry product processing capacity, there is a big gap compared with developed countries at the high end sound-absorbing material development and production, such as: various types of vehicles (bus, subway, high-speed rail), especially in recent years, demand sound-absorbing materials and other manned spacecraft, and the product's largest construction market a lack of cohesion, the lack of market awareness and building products processing capacity. 因此,目前急需研究开发一种能够经受严酷环境考验,具有拉伸强度高、伸长率高、断裂强度高、吸音效果好并且制造成本低等优点的新型吸音材料。 Accordingly, research is urgently needed to develop a test that can withstand the harsh environment, having a high tensile strength, high elongation, high tensile strength, good sound-absorbing effect and low manufacturing cost of the new sound-absorbing material.

发明内容 SUMMARY

[0004] 本发明的目的在于,提供一种活性白土改性的复合吸音材料及其制备方法,解决复合材料的配方,降低采用单种或多种原料的生产成本,同时提高材料的吸音效果和材料的拉伸强度,伸长率、断裂强度。 [0004] The object of the present invention is to provide a composite and method for preparing the sound absorbing material modified attapulgite clay, solution of the composite formulation, using single or multiple reduce production costs of raw materials, while increasing the sound absorbing effect of the material and the tensile strength, elongation, breaking strength. 用于喷丝制作吸音棉。 For production of absorbent cotton spinning.

[0005] 本发明采用的技术方案如下: [0005] The present invention employs the following technical solutions:

[0006] 一种活性白土改性的复合吸音材料,其由下列重量份的原料制成:重晶石粉100-120、陶粒50-60、活性`白土40-50、苯丙乳液80-90、改性树木灰烬55-65、云母粉15-20、聚酰亚胺纤维20-30、纳米碳10-20、EVA 20-30、CPE 15-20、POM 5-10、邻苯二甲酸酯5-8、磷酸三乙酯4-6、硬脂酸钙2-3、硬脂酸锌1-2。 [0006] A modified attapulgite composite sound absorbing material, which is made from the following raw materials by weight: 100-120 barite powder, ceramic 50-60, active clay `40-50, 80-90 acrylic emulsion , 55-65 modified ash trees, mica powder, 15-20, 20-30 polyimide fiber, nanocarbon 10-20, EVA 20-30, CPE 15-20, POM 5-10, phthalic 5-8 ester, triethyl phosphate, 4-6, 2-3, calcium stearate, zinc stearate 1-2.

[0007] 所述的改性树木灰烬由以下方法制得:先用10-15%盐酸浸泡树木灰烬3_4h,去离子水洗涤干净,再用10-12%氢氧化钠溶液浸泡3-4h,再用去离子水洗涤至中性,烘干,加入相当于树木灰烬重量2-3%的木质素磺酸钠、1-2%的甲基三乙氧基硅烷、2-3%的环氧化甘油三酸酯、3-5%的陶瓷粉,高速1200-1500r/min搅拌20_30min,烘干粉碎研磨成超细粉末即可。 [0007] The ash produced from a modified trees following method: 10-15% hydrochloric acid soaked ash trees 3_4h, clean, deionized water, 10-12% sodium hydroxide solution and then soaked 3-4h, then washed with deionized water until neutral, drying, adding the equivalent of 2-3% by weight of sodium ligninsulfonate ash trees, 1-2% methyl triethoxysilane, epoxidized 2-3% triglycerides, 3-5% of ceramic powder, a high-speed 1200-1500r / min stirring 20_30min, dry ground to ultra-fine powder can be pulverized.

[0008] 活性白土改性的复合吸音材料的制备方法,包括以下步骤: [0008] Preparation of a composite sound absorbing material modified attapulgite clay, comprising the steps of:

[0009] (I)将重晶石粉、陶粒、活性白土分别干燥除水分,干燥温度为110-120°C,干燥时间为2-3h,按后按配方配比将重晶石粉、陶粒、活性白土、云母粉、苯丙乳液加入高速混合机中,在150-160°C下以500-800rpm的速度搅拌混合3_5min,再加入改性树木灰烬继续共混5-8min,物料冷却至常温待用; [0009] (I) The barite powder, ceramic, activated clay were dried moisture removal, drying temperature is 110-120 ° C, the drying time is 2-3h, formulated according to the ratio of the barite powder, ceramic , activated clay, mica powder, styrene-acrylic latex is added in a high speed mixer, mixed at a speed of 500-800rpm 3_5min stirred at 150-160 ° C, was added to continue blending 5-8min modified ash trees, the material was cooled to room temperature stand-by;

[0010] (2)将EVA、P0M、CPE、邻苯二甲酸酯、磷酸三乙酯、硬脂酸钙、硬脂酸锌加入多向运动混合机进行初混,初混4-6min,然后进入高速混合机,加入纳米碳、聚酰亚胺纤维,在105-110°C下以1500-2000rpm的速度搅拌2-5min,物料冷却至常温待用; [0010] (2) EVA, P0M, CPE, phthalate, triethyl phosphate, calcium stearate, zinc stearate was added to the multi-movement mixer for preliminary mixing, preliminary mixing 4-6min, and then into a high speed mixer, adding nano carbon, polyimide fibers, stirring at a speed of 1500-2000rpm 2-5min at 105-110 ° C, the material was cooled to room temperature and set aside;

[0011] (3)将上述步骤(1)和步骤(2)制得的物料加入双螺杆混合挤出机进行处理,依据产品指标要求温度设定范围180-280°C,然后将挤出的物料投入造粒机造粒,即得复合吸音材料。 [0011] (3) The above steps (1) and (2) the material obtained was added a twin-screw extruder mixing process, the product according to the indicator Temperature range 180-280 ° C, and then extruded material into granulator, to obtain a composite sound-absorbing material.

[0012] 本发明的有益效果如下: [0012] Advantageous effects of the present invention are as follows:

[0013] 本发明通过对配方调整和工艺改进,利用改性树木灰烬包覆活性白土、重晶石粉等无机粉体,从而提高吸音材料的吸音效果和强度,很好地解决了吸音材料强度和吸音性能不能兼得的矛盾。 [0013] The present invention, by adjusting the formulation and process improvement, the use of coated modified ash trees attapulgite, barite powder, inorganic powder, thereby enhancing the strength of the sound absorbing effect and sound absorbing material, a good solution to the sound absorbing material strength and sound-absorbing performance can not have both of contradictions. 本发明解决了目前急吸音材料的研发问题,制造出了满足需求的能够经受严酷环境考验,具有拉伸强度高、伸长率高、断裂强度高、吸音效果好等优点的新型吸音材料。 The present invention solves the problem of developing acute sound absorbing material, to create a new sound absorbing material needs to withstand the harsh environment of the test is possible, with high tensile strength, high elongation, high tensile strength, good sound-absorbing effect of the advantages. 由于采用了较大比例的无机物料,因此降低了生产成本,同时由于无机物料的强度较高,提高了材料的力学性能。 As a result a large proportion of the inorganic material, thus reducing the production cost, and because of the high strength of the inorganic material, improves the mechanical properties.

具体实施方式 detailed description

[0014] 一种活性白土改性的复合吸音材料,其由下列重量份的原料制成:重晶石粉115份、陶粒55份、活性白土50份、苯丙乳液86份、改性树木灰烬62份、云母粉18份、聚酰亚胺纤维25份、纳米碳18份、EVA 30份、CPE 20份、POM 8份、邻苯二甲酸酯6份、磷酸三乙酯5份、硬脂酸钙2份、硬脂酸锌1.5份。 [0014] A modified attapulgite composite sound absorbing material, which is made from the following raw materials by weight: 115 parts of barite powder, ceramic parts 55, 50 parts of activated clay, 86 parts of acrylic emulsion, modified ash trees 62 parts, 18 parts mica, 25 parts of polyimide fibers, 18 parts of nanocarbon, EVA 30 parts, CPE 20 parts, POM 8 parts, 6 parts phthalate, 5 parts of triethyl phosphate, hard 2 parts of calcium stearate, zinc stearate 1.5 parts.

[0015] 其中,所述的改性树木灰烬由以下方法制得:先用15%盐酸浸泡树木灰烬3h,去离子水洗涤干净,再用12%氢氧化钠溶液浸泡4h,再用去离子水洗涤至中性,烘干,加入相当于树木灰烬重量3%的木质素磺酸钠、2%的甲基三乙氧基硅烷、2.5%的环氧化甘油三酸酯、4%的陶瓷粉,高速1200r/min搅拌30min,烘干粉碎研磨成超细粉末即可。 [0015] wherein said modified ash trees obtained by the following methods: soaked with 15% hydrochloric acid ash trees 3h, clean, deionized water, and then soaked in 12% sodium hydroxide solution 4h, with deionized water washed until neutral, drying, adding the equivalent of 3% by weight of the ash tree lignin sulfonate, 2% of methyl triethoxysilane, 2.5% epoxidized triglyceride, 4% of ceramic powder high speed 1200r / min was stirred for 30min, dry ground to ultra-fine powder can be pulverized.

[0016] 活性白土改性的复合吸音材料的制备方法,包括以下步骤: [0016] Preparation of a composite sound absorbing material modified attapulgite clay, comprising the steps of:

[0017] (I)将重晶石粉、陶粒、活性白土分别干燥除水分,干燥温度为110°C,干燥时间为3h,按后按配方配比将重晶石粉、陶粒、活性白土、云母粉、苯丙乳液加入高速混合机中,在160°C下以600rpm的速度搅拌混合4min,再加入改性树木灰焊继续共混6min,物料冷却至常温待用; [0017] (I) The barite powder, ceramic, activated clay moisture removal are dried, the drying temperature is 110 ° C, the drying time was 3h, formulated according to the ratio of the barite powder, ceramic, activated clay, mica powder, styrene-acrylic emulsion is added in a high speed mixer, at 160 ° C at 600rpm stirring speed 4min mixed, then added modified ash trees welding blending was continued 6min, cooled to normal temperature inactive material;

[0018] (2)将EVA、POM、CPE、邻苯二甲酸酯、磷酸三乙酯、硬脂酸钙、硬脂酸锌加入多向运动混合机进行初混,初混5min,然后进入高速混合机,加入纳米碳、聚酰亚胺纤维,在106°C下以1800rpm的速度搅拌4min,物料冷却至常温待用; [0018] (2) EVA, POM, CPE, phthalate, triethyl phosphate, calcium stearate, zinc stearate was added to the multi-movement mixer for preliminary mixing, preliminary mixing 5min, then enter a high speed mixer, adding nano carbon, polyimide fibers to 1800rpm stirring speed at 106 ° C 4min, cooled to normal temperature inactive material;

[0019] (3)将上述步骤(1)和步骤(2)制得的物料加入双螺杆混合挤出机进行处理,依据产品指标要求温度设定为195°C,然后将挤出的物料投入造粒机造粒,即得复合吸音材料。 Materials [0019] (3) The above steps (1) and (2) the material obtained was added a twin-screw extruder mixing process, the indicator according to the product temperature was set to 195 ° C, and then extruded into pelletizer, to obtain a composite sound absorbing material.

[0020] 检测指标:吸声系数1.24,拉伸强度1423kPa,伸长率55%,断裂强度4946N/m。 [0020] detection index: absorption coefficient of 1.24, a tensile strength of 1423kPa, 55% elongation, the breaking strength of 4946N / m. 成本4668元/吨。 The cost of 4668 yuan / ton.

Claims (2)

  1. 1.一种活性白土改性的复合吸音材料,其特征在于,其由下列重量份的原料制成:重晶石粉100-120、陶粒50-60、活性白土40-50、苯丙乳液80-90、改性树木灰烬55-65、云母粉15-20、聚酰亚胺纤维20-30、纳米碳10-20、EVA 20-30、CPE 15-20、POM 5-10、邻苯二甲酸酯5-8、磷酸三乙酯4-6、硬脂酸钙2-3、硬脂酸锌1-2 ; 所述的改性树木灰烬由以下方法制得:先用10-15%盐酸浸泡树木灰烬3-4h,去离子水洗涤干净,再用10-12%氢氧化钠溶液浸泡3-4h,再用去离子水洗涤至中性,烘干,加入相当于树木灰烬重量2-3%的木质素磺酸钠、1-2%的甲基三乙氧基硅烷、2-3%的环氧化甘油三酸酯、3-5%的陶瓷粉,高速1200-1500r/min搅拌20_30min,烘干粉碎研磨成超细粉末即可。 A modified attapulgite composite sound absorbing material, characterized in that it is made from the following raw materials by weight: 100-120 barite powder, ceramic 50-60, 40-50 attapulgite, styrene-acrylic emulsion 80 -90, 55-65 modified ash trees, mica powder, 15-20, 20-30 polyimide fiber, nanocarbon 10-20, EVA 20-30, CPE 15-20, POM 5-10, phthalimido 5-8 formate, triethyl phosphate 4-6, 2-3, calcium stearate, zinc stearate 1-2; said modified ash trees obtained by the following methods: first with 10-15% hydrochloride ash trees soak 3-4h, clean, deionized water, then soaked 3-4h 10-12% sodium hydroxide solution, washed with deionized water until neutral, drying, adding the equivalent weight of 2 ash trees 3% of sodium ligninsulfonate, 1-2% methyl triethoxysilane, 2-3% of an epoxidized triglyceride, 3-5% of ceramic powder, a high-speed 1200-1500r / min with stirring 20_30min, dry ground to ultra-fine powder can be pulverized.
  2. 2.一种如权利要求1所述的活性白土改性的复合吸音材料的制备方法,其特征在于包括以下步骤: (1)将重晶石粉、陶粒、活性白土分别干燥除水分,干燥温度为110-120°C,干燥时间为2-3h,按后按配方配比将重晶石粉、陶粒、活性白土、云母粉、苯丙乳液加入高速混合机中,在150-160°C下以500-800rpm的速度搅拌混合3_5min,再加入改性树木灰烬继续共混5-8min,物料冷却至常温待用; (2)将EVA、POM、CPE、邻苯二甲酸酯、磷酸三乙酯、硬脂酸钙、硬脂酸锌加入多向运动混合机进行初混,初混4-6min,然后进入高速混合机,加入纳米碳、聚酰亚胺纤维,在105-110°C下以1500-2000rpm的速度搅拌2-5min,物料冷却至常温待用; (3)将上述步骤(1)和步骤(2)制得的物料加入双螺杆混合挤出机进行处理,依据产品指标要求温度设定范围180-280°C,然后将挤出的物料投入造粒机造粒,即得复 Composite sound-absorbing material production method according to a modified activated clay as claimed in claim 2, further comprising the steps of: (1) the barite powder, ceramic, activated clay were dried moisture removal, drying temperature of 110-120 ° C, the drying time is 2-3h, formulated according to the ratio of the barite powder, ceramic, activated clay, mica powder, styrene-acrylic latex is added in a high speed mixer, at 150-160 ° C mixture was stirred at a speed of 500-800rpm 3_5min, then added modified ash trees 5-8min continue blending, the material was cooled to room temperature and set aside; (2) EVA, POM, CPE, phthalate, triethyl phosphate esters, calcium stearate, zinc stearate was added to the multi-movement mixer for preliminary mixing, 4-6min preliminary mixing, and then into a high speed mixer, adding nano carbon, polyimide fibers, at 105-110 ° C in was stirred at a speed of 1500-2000rpm 2-5min, the material was cooled to room temperature and set aside; (3) the above-described processing steps (1) and (2) the material obtained was added a twin screw compounding extruder, the product according to the indicator temperature range 180-280 ° C, and then extruded material into pelletizer, to give the complex 合吸音材料。 Co-sound-absorbing material.
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CN105218050A (en) * 2015-09-15 2016-01-06 郑州航空工业管理学院 Heat-preserving board and preparation method thereof

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