WO2021164295A1 - 一种热适应环保隔音地板及其制造方法 - Google Patents

一种热适应环保隔音地板及其制造方法 Download PDF

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Publication number
WO2021164295A1
WO2021164295A1 PCT/CN2020/123786 CN2020123786W WO2021164295A1 WO 2021164295 A1 WO2021164295 A1 WO 2021164295A1 CN 2020123786 W CN2020123786 W CN 2020123786W WO 2021164295 A1 WO2021164295 A1 WO 2021164295A1
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bamboo
parts
floor
phenolic resin
prepared
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PCT/CN2020/123786
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English (en)
French (fr)
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张敬敏
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微山宏瑞电力科技有限公司
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Publication of WO2021164295A1 publication Critical patent/WO2021164295A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/04—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K9/00—Chemical or physical treatment of reed, straw, or similar material
    • B27K9/002—Cane, bamboo
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes

Definitions

  • the invention relates to the technical field of environmental protection flooring, in particular to a thermally adapted environmental protection sound insulation floor and a manufacturing method thereof.
  • the commonly used sound insulation felt or sound insulation blanket is a kind of flexible high-density coiled material made of elastic materials such as rubber and plastic as the main raw material, which is environmentally friendly and has no peculiar smell.
  • It is a kind of sound insulation material which is quite good for low frequency and high frequency sound, which can effectively suppress the propagation of various vibrations.
  • the thickness of the sound insulation felt varies from 1mm, 2mm, and 3mm.
  • the weighted sound insulation Rw is 23dB, 27dB and 30dB, respectively, as tested by the National Building Materials Bureau.
  • KTV will use sound insulation felt for sound insulation treatment. But there is no doubt that the sound insulation effect of sound insulation felt or special sound insulation felt may be good, but its heat resistance, flame retardancy, moisture and corrosion resistance are naturally poor, which does not meet the application characteristics of some areas.
  • the bamboo floor in the prior art is a new type of building decoration material. It uses natural high-quality bamboo as the raw material. Infrared drying. Bamboo flooring brings a green and fresh wind to the building materials market with its natural advantages and many excellent properties after molding.
  • the bamboo floor has the natural texture of bamboo, fresh and elegant, giving people a return to nature, elegant and refined feeling. It has many characteristics.
  • bamboo flooring uses bamboo instead of wood, which has the original characteristics of wood.
  • high-quality glue that meets national standards is used to avoid the harm of formaldehyde and other substances to the human body.
  • bamboo flooring Using advanced equipment and technology, through 26 processes of processing the raw bamboo, it has the natural beauty of the raw wood floor and the durability of the ceramic floor tiles.
  • bamboo flooring also has its inherent defects. 1. Bamboo flooring is easy to deform. 2. Bamboo flooring is easy to damage. If bamboo flooring is not well protected, it will be easy to delamination after a long period of high temperature. And sometimes because of different climates, the humidity is different. , Will also produce a series of problems. For example, in the south, where the humidity is heavy, bamboo floors are prone to mold; in the north, when the weather is too dry, bamboo floors are more likely to appear dry and cracked. And the bamboo floor itself has no sound insulation function, and its thermal adaptability is also poor.
  • the invention aims to provide a method for manufacturing a thermally adaptable, heat-absorbing liquefaction, overall softening, anti-vibration, and wear-resistant thermally adaptable and environmentally friendly soundproof floor.
  • a manufacturing method of thermally adaptable environmentally friendly soundproof floor including the following steps:
  • 2Step 1 The obtained raw bamboo strips are steamed at a steam pressure of 2MPa-2.5MPa and a steam temperature of 130°C-135°C for 25min-30min, and then the steamed bamboo strips are completely immersed in the biological enzyme water solution.
  • Degumming treatment mechanically combing the bamboo fiber net tube obtained after degumming and removing the glue into silk to obtain hard bamboo silk;
  • step 3 Immerse the hard bamboo silk obtained in step 2 into a sodium thiosulfate solution with a solute mass fraction of 0.04% for 1.5h-2h, and take out the softened hard bamboo silk to obtain bamboo fiber;
  • step 4 The bamboo fiber obtained in step 3 is spun into a fiber cloth according to the four-flat stitch method of the cloth to obtain the required bamboo fiber cloth;
  • step 1) Heat the mirabilite prepared in step 1) to 40°C-45°C until the mirabilite is completely melted to obtain a prefabricated molten pool;
  • step 2 Completely immerse the bamboo fiber cloth obtained in step 2) in step 4 into the prefabricated molten pool obtained in step 1, and then cool to room temperature until the prefabricated molten pool is completely cooled to obtain a solid mixture, which is the filler to be solidified and integrated;
  • step 3 Mechanically cut and process the solidified and integrated filler obtained in step 3) and step 2 into a shape and size compatible with the design size of the floor core to obtain the floor core block;
  • step 2 Take the phenolic resin prepared in step 1) as the integrated packaging material. After reserving 4 to 5 parts of phenolic resin, all other phenolic resins are heat-melted and then the floor core block obtained in step 1 is completed by hot pressing. Wrap and heat-press into a shape and size that is compatible with the floor shape design size, but the thickness is smaller than the design size, to obtain a semi-formed cured floor;
  • the soundproof paint is composed of an encapsulating material, a functional filler and a surface wear-resistant layer.
  • the encapsulating material is a resin matrix prepared from 45 to 56 parts by weight of phenolic resin.
  • the functional filler is a bamboo fiber composite material prepared from 200 to 220 parts by weight of moso bamboo and 50 to 60 parts of Glauber's salt as raw materials.
  • the surface wear-resistant layer is 4 to 5 parts by weight and 1 aluminum oxide powder. Part-1.2 parts of phenolic resin is a wear-resistant composite material prepared from raw materials.
  • the present invention Compared with the prior art, the present invention has the following advantages: (1) Fundamentally, the present invention is a heat-resistant and moisture-resistant soundproof floor designed specifically for tropical and subtropical climates. It has the ability to absorb heat and is used as a functional filler. On the one hand, Glauber's salt can exist in the whole floor as a factor in the formation of cavities in a solid state. On the one hand, when the temperature exceeds 32°C, the hydrate in it melts and absorbs heat to maintain the stability of the temperature. After melting, it exists as a liquid, but as a liquid. The high-viscosity material itself has a good sound insulation effect, and it is also non-flammable and moisture-absorbing, and has good adaptability to high-heat and high-humidity areas.
  • the present invention is not the direct hot pressing application of traditional whole bamboo fiber, but after removing the fibrous part, the fiber is re-woven according to the integration method of the cloth and then filled with Glauber's salt with health care function, and then phenolic The resin is cured and molded, so there is no heat to crack or deform due to the original bamboo material.
  • the soundproof floor of the present invention has a fire resistance of B1 level, non-toxic and odorous smoke is generated after burning and carbonization; the elastic modulus is not less than 35GPa, and the static bending strength is not less than 380MPa, which is higher than that of ordinary bamboo flooring; The sound insulation performance is divided into two sections.
  • NRC 0.7-0.8, and the sound insulation capacity can reach 27dB-32dB.
  • the two different sound-absorbing and sound-insulating mechanisms work together, so that the present invention can adapt to a wider range of scenes.
  • the overall structural material of the present invention is silk-threaded bamboo fiber and phenolic material, so the whole presents flexibility. First, it has good sound insulation performance, noise reduction and sound insulation, and second, it can withstand more frequent pedaling and feel comfortable. Therefore, the present invention has the characteristics of thermal adaptation, endothermic liquefaction, overall softness, vibration resistance and wear resistance.
  • the preparation of a thermally adapted environmentally friendly soundproof floor includes the following steps:
  • the cured and integrated filler is mechanically cut into a shape and size that is compatible with the design size of the floor core to obtain the floor core block; phenolic resin is used as the integrated packaging material, and 4kg-5kg of phenolic resin is reserved, and all other phenolic resins are reserved.
  • the core block of the floor is completely wrapped by a hot pressing process and hot pressed into a shape and size that is compatible with the floor shape design size but the thickness is smaller than the design size, to obtain a semi-molded cured floor; heat the reserved phenolic resin After melting, it is completely mixed with alumina powder uniformly, and then the mixed melt is evenly brushed on the upper surface of the semi-formed solidified floor. After baking and cooling, the machine is processed and polished to reach the design size, that is, the required soundproof floor is obtained.
  • the sound-insulating paint manufactured according to this embodiment has a fire resistance of B1 level, non-toxic and odorous smoke is generated after burning and carbonization; the elastic modulus is not less than 35GPa, and the static bending strength is not less than 380MPa, which is higher than that of ordinary bamboo flooring;
  • the sound insulation performance is divided into two sections.
  • NRC 0.7-0.8, and the sound insulation can reach 27dB-32dB; the same below.
  • the present invention has the following advantages: (1) Fundamentally, the present invention is a heat-resistant and moisture-resistant soundproof floor specially designed for tropical and subtropical climates. It has the ability to absorb heat.
  • Glauber's salt as a functional filler can be in a solid state. The following factors exist in the whole floor as a factor of void formation.
  • the hydrate in it melts and absorbs heat to maintain the stability of the temperature. After melting, it exists as a liquid, and as a liquid high-viscosity substance itself has It has a good sound insulation and sound insulation effect, and it is also non-combustible and moisture-absorbing, and has good adaptability to high-heat and high-humidity areas.
  • the present invention is not the direct hot pressing application of traditional whole bamboo fiber, but after removing the fibrous part, the fiber is re-woven according to the integration method of the cloth and then filled with Glauber's salt with health care function, and then phenolic The resin is cured and molded, so there is no heat to crack or deform due to the original bamboo material.
  • the soundproof floor of the present invention has a fire resistance of B1 level, non-toxic and odorous smoke is generated after burning and carbonization; the elastic modulus is not less than 35GPa, and the static bending strength is not less than 380MPa, which is higher than that of ordinary bamboo flooring; The sound insulation performance is divided into two sections.
  • the sound insulation can reach 27dB-32dB.
  • the two different sound-absorbing and sound-insulating mechanisms work together to make the present invention adapt to a wider range of scenes.
  • the overall structural material of the present invention is silk-threaded bamboo fiber and phenolic material, so the whole presents flexibility. First, it has good sound insulation performance, noise reduction and sound insulation, and second, it can withstand more frequent pedaling and feel comfortable. Therefore, the present invention has the characteristics of thermal adaptation, endothermic liquefaction, overall softness, vibration resistance and wear resistance.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Floor Finish (AREA)

Abstract

一种热适应环保隔音地板，由封装材料、功能填料及表面耐磨层三部分组成，其中封装材料为以按重量份计45份-56份的酚醛树脂为原材料制备的树脂基体，功能填料为以按重量份计毛竹200份-220份、芒硝50份-60份为原材料制备的竹纤维复合材料，表面耐磨层为以按重量份计4份-5份、氧化铝粉末1份-1.2份的酚醛树脂为原材料制备的耐磨复合材料。还公开一种该隔音地板制造方法。该隔音地板具有热适应、吸热液化、整体柔化、抗振、耐磨的优点。

Description

一种热适应环保隔音地板及其制造方法 技术领域
本发明涉及环保地板技术领域，尤其涉及一种热适应环保隔音地板及其制造方法。
 背景技术
　随着我国城市化进程的加深，城市人群数量也随之上升，户内锻炼就成为城市人群的主要锻炼手段，由于因地板隔音效果有限的问题，居家运动也受到了限制。
　我国纬度范围大，横跨南北，在热带和亚热带区域内，常年温度高、湿度大，对于常规地板而言很不友好，温度高则易变形，湿度高则易腐蚀，因此耐用性较差，且我国南部多平原，声音传播远、衰减小，也易受噪音滋扰，而目前市面上少有针对这些痛点进行专门改良的工业制品。
 技术问题
但现在市面上没有专门的隔音地板，目前常用的是隔音毡或隔音毯，是一种以橡胶、塑胶等弹性材料为主要原料制成的一种具有一定柔性的高密度卷材，环保无异味，对低频和高频声音均有相当好的一种隔音材料，能有效地抑制各种振动的传播。隔音毡的厚度有1mm，2mm，3mm不等，经国家建材局检测，计权隔音量Rw分别为23dB，27dB，30dB。通常KTV会采用隔音毡进行隔音处理。但毫无疑问的是，隔音毡或者特制隔音毡其隔音效果或许不错，但其耐热性、阻燃性和耐湿耐蚀性天然较差，不符合部分区域的应用特性。
现有技术中的竹地板是一种新型建筑装饰材料，它以天然优质竹子为原料，经过二十几道工序，脱去竹子原浆汁，经高温高压拼压，再经过多层油漆，最后红外线烘干而成。竹地板以其天然赋予的优势和成型之后的诸多优良性能给建材市场带来一股绿色清新之风。竹地板有竹子的天然纹理，清新文雅，给人一种回归自然、高雅脱俗的感觉。它具有很多特点，首先竹地板以竹代木，具有木材的原有特色，而且竹在加工过程中，采用符合国家标准的优质胶种，可避免甲醛等物质对人体的危害，还有竹地板利用先进的设备和技术，通过对原竹进行26道工序的加工，兼具有原木地板的自然美感和陶瓷地砖的坚固耐用。但是竹地板也有其固有缺陷1、竹地板易变形2、竹地板易损坏，竹地板倘若保护不善，经过长时间高温后就会很容易分层的现象，而且有时候因为气候的不同，湿度不同，也会产生一系列问题。比如说在南方，潮气比较重，竹地板就容易发霉；在北方，天气太干燥了，竹地板就更容易出现干裂。且竹地板本身没有隔音功能，热适应能力也较差。
　　因此，市面上急需一种热适应、吸热液化、整体柔化、抗振、耐磨的热适应环保隔音地板及其制造方法。
 技术解决方案
本发明旨在提供一种热适应、吸热液化、整体柔化、抗振、耐磨的热适应环保隔音地板制造方法。
为了实现上述目的，本发明采用以下技术方案：一种热适应环保隔音地板的制造方法，包括以下步骤：
1）原料准备
①原材料准备：按重量份准备毛竹200份-220份、芒硝50份-60份、酚醛树脂50份-60份、氧化铝粉末1份-1.2份；
②辅材准备：准备足量生物酶水剂、足量溶质质量分数0.04%的硫代硫酸钠溶液；
2）竹纤维布制造
①将阶段1）步骤①准备的毛竹置于水中煮沸1h-1.5h，然后取出后机械挤压成条，至破碎后的竹条直径1mm-3mm，获得原材毛竹条；
②步骤①获得的原材毛竹条在2MPa-2.5MPa蒸汽压力、130℃-135℃的蒸汽温度环境下焖蒸25min-30min，然后将焖蒸后的竹条完全浸入到生物酶水剂中进行脱胶处理，将脱胶后获得的去除胶质的竹纤维网管机械梳理成丝，获得硬竹丝；
③将步骤②获得的硬竹丝浸入溶质质量分数0.04%的硫代硫酸钠溶液中，持续1.5h-2h，取出已经软化的硬竹丝，获得竹纤维；
④将步骤③获得的竹纤维按布料的四平针法纺织成纤维布，获得所需竹纤维布；
3）填料固化整合
①将阶段1）步骤①准备的芒硝加热至40℃-45℃至芒硝完全熔化，获得预制熔池；
②将阶段2）步骤④获得的竹纤维布完全浸入步骤①获得的预制熔池中，然后冷却至室温至预制熔池完全冷却，获得固体混合物，该固体混合物即为所需固化整合的填料；
4）地板成型加工
①将阶段3）步骤②获得的固化整合的填料机械切割加工为与地板内核设计尺寸相适应的形状和尺寸，获得地板核块；
②以阶段1）步骤①准备的酚醛树脂为整合封装材料，预留4份-5份的酚醛树脂后，将其它酚醛树脂全部热熔后采用热压成型工艺将步骤①获得的地板核块完全包裹并热压成为与地板外形设计尺寸相适应但厚度相较设计尺寸小的形状和尺寸，获得半成型固化地板；
③将步骤②预留的4份-5份的酚醛树脂热熔后与阶段1）步骤①准备的氧化铝粉末完全混合均匀，再将混合熔体均匀刷涂在步骤②获得的半成型固化地板上表面，烘烤冷却后机械加工抛光至达到设计尺寸，即获得所需隔音地板。
　　一种热适应环保隔音地板，该隔音涂料由封装材料、功能填料及表面耐磨层三部分组成，其中封装材料为以按重量份计45份-56份的酚醛树脂为原材料制备的树脂基体，功能填料为以按重量份计毛竹200份-220份、芒硝50份-60份为原材料制备的竹纤维复合材料，表面耐磨层为以按重量份计4份-5份、氧化铝粉末1份-1.2份的酚醛树脂为原材料制备的耐磨复合材料。
 有益效果
与现有技术相比较，本发明具有以下优点：（1）本发明从根本上而言是专门针对热带、亚热带气候设计的耐热耐潮型隔音地板，其具有自吸热能力，作为功能填料的芒硝一方面可以在固体状态下作为空穴形成的因素存在于地板整体中，一方面在温度超过32℃后其中的水合物熔化吸热，维持温度的稳定，熔化后作为液态存在，而作为液态的高粘物自身就具有了良好的隔音阻音效果，更兼之其不燃且吸潮，对于高热高湿区域的适性良好。（2）本发明不是传统的整竹纤维直接热压应用，而是在除去了纤维质之外的部分后将纤维按布料的整合方式重新编织后完成现填充具有保健功能的芒硝，再经酚醛树脂固化成型，因此没有受热会因原竹质材质问题开裂或变形。（３）本发明的隔音地板，其耐火性能为B1级，燃烧碳化后无毒、臭烟气产生；弹性模量不低于35GPa，静曲强度不低于380MPa，高于一般竹地板；其隔音性能分为两个区间，在32.5℃以下时，芒硝主要以固态颗粒的形式存在，吸声系数范围NRC=0.5-0.6，隔音量可以达到16dB-23dB，在32.5℃以上时，芒硝主要以液态的形式存在，吸声系数范围NRC=0.7-0.8，隔音量可以达到27dB-32dB，两种不同的消声隔声机理共同作用，使本发明能适应更广的范围场景。（４）本发明整体结构材料为丝线化的竹纤维和酚醛材料，因此整体呈现柔性，一是隔音性能好、降噪隔音，二是能承受更多频次的踩踏且脚感舒适。因此，本发明具有热适应、吸热液化、整体柔化、抗振、耐磨的特性。
 本发明的实施方式
具体实施方式
实施例1：
制备一种热适应环保隔音地板，包括以下步骤：
①原材料准备：按重量份准备毛竹212kg、芒硝56kg、酚醛树脂53kg、氧化铝粉末1.1kg、足量生物酶水剂、足量溶质质量分数0.04%的硫代硫酸钠溶液；
②将毛竹置于水中煮沸1h-1.5h，然后取出后机械挤压成条，至破碎后的竹条直径1mm-3mm，获得原材毛竹条；将原材毛竹条在2MPa-2.5MPa蒸汽压力、130℃-135℃的蒸汽温度环境下焖蒸25min-30min，然后将焖蒸后的竹条完全浸入到生物酶水剂中进行脱胶处理，将脱胶后获得的去除胶质的竹纤维网管机械梳理成丝，获得硬竹丝；将硬竹丝浸入溶质质量分数0.04%的硫代硫酸钠溶液中，持续1.5h-2h，取出已经软化的硬竹丝，获得竹纤维；将竹纤维按布料的四平针法纺织成纤维布，获得所需竹纤维布；
③将芒硝加热至40℃-45℃至芒硝完全熔化，获得预制熔池；将竹纤维布完全浸入预制熔池中，然后冷却至室温至预制熔池完全冷却，获得固体混合物，该固体混合物即为所需固化整合的填料；
④将固化整合的填料机械切割加工为与地板内核设计尺寸相适应的形状和尺寸，获得地板核块；以酚醛树脂为整合封装材料，预留4kg-5kg的酚醛树脂后，将其它酚醛树脂全部热熔后采用热压成型工艺将地板核块完全包裹并热压成为与地板外形设计尺寸相适应但厚度相较设计尺寸小的形状和尺寸，获得半成型固化地板；将预留的酚醛树脂热熔后与氧化铝粉末完全混合均匀，再将混合熔体均匀刷涂在半成型固化地板上表面，烘烤冷却后机械加工抛光至达到设计尺寸，即获得所需隔音地板。
根据本实施例制造的隔音涂料，其耐火性能为B1级，燃烧碳化后无毒、臭烟气产生；弹性模量不低于35GPa，静曲强度不低于380MPa，高于一般竹地板；其隔音性能分为两个区间，在32.5℃以下时，芒硝主要以固态颗粒的形式存在，吸声系数范围NRC=0.5-0.6，隔音量可以达到16dB-23dB，在32.5℃以上时，芒硝主要以液态的形式存在，吸声系数范围NRC=0.7-0.8，隔音量可以达到27dB-32dB；下同。
实施例2：
整体与实施例1一致，差异之处在于：
①原材料准备：按重量份准备毛竹200kg、芒硝60kg、酚醛树脂60kg、氧化铝粉末1.2kg；
实施例3：
整体与实施例1一致，差异之处在于：
①原材料准备：按重量份准备毛竹220kg、芒硝50kg、酚醛树脂50kg、氧化铝粉末1kg；
 工业实用性
本发明具有以下优点：（1）本发明从根本上而言是专门针对热带、亚热带气候设计的耐热耐潮型隔音地板，其具有自吸热能力，作为功能填料的芒硝一方面可以在固体状态下作为空穴形成的因素存在于地板整体中，一方面在温度超过32℃后其中的水合物熔化吸热，维持温度的稳定，熔化后作为液态存在，而作为液态的高粘物自身就具有了良好的隔音阻音效果，更兼之其不燃且吸潮，对于高热高湿区域的适性良好。（2）本发明不是传统的整竹纤维直接热压应用，而是在除去了纤维质之外的部分后将纤维按布料的整合方式重新编织后完成现填充具有保健功能的芒硝，再经酚醛树脂固化成型，因此没有受热会因原竹质材质问题开裂或变形。（３）本发明的隔音地板，其耐火性能为B1级，燃烧碳化后无毒、臭烟气产生；弹性模量不低于35GPa，静曲强度不低于380MPa，高于一般竹地板；其隔音性能分为两个区间，在32.5℃以下时，芒硝主要以固态颗粒的形式存在，吸声系数范围NRC=0.5-0.6，隔音量可以达到16dB-23dB，在32.5℃以上时，芒硝主要以液态的形式存在，吸声系数范围NRC=0.7-0.8，隔音量可以达到27dB-32dB，两种不同的消声隔声机理共同作用，使本发明能适应更广的范围场景。（４）本发明整体结构材料为丝线化的竹纤维和酚醛材料，因此整体呈现柔性，一是隔音性能好、降噪隔音，二是能承受更多频次的踩踏且脚感舒适。因此，本发明具有热适应、吸热液化、整体柔化、抗振、耐磨的特性。
 序列表自由内容
对所公开的实施例的上述说明，仅为了使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (2)

  1. 一种热适应环保隔音地板的制造方法，其特征在于包括以下步骤：
    1）原料准备
    ①原材料准备：按重量份准备毛竹200份-220份、芒硝50份-60份、酚醛树脂50份-60份、氧化铝粉末1份-1.2份；
    ②辅材准备：准备足量生物酶水剂、足量溶质质量分数0.04%的硫代硫酸钠溶液；
    2）竹纤维布制造
    ①将阶段1）步骤①准备的毛竹置于水中煮沸1h-1.5h，然后取出后机械挤压成条，至破碎后的竹条直径1mm-3mm，获得原材毛竹条；
    ②步骤①获得的原材毛竹条在2MPa-2.5MPa蒸汽压力、130℃-135℃的蒸汽温度环境下焖蒸25min-30min，然后将焖蒸后的竹条完全浸入到生物酶水剂中进行脱胶处理，将脱胶后获得的去除胶质的竹纤维网管机械梳理成丝，获得硬竹丝；
    ③将步骤②获得的硬竹丝浸入溶质质量分数0.04%的硫代硫酸钠溶液中，持续1.5h-2h，取出已经软化的硬竹丝，获得竹纤维；
    ④将步骤③获得的竹纤维按布料的四平针法纺织成纤维布，获得所需竹纤维布；
    3）填料固化整合
    ①将阶段1）步骤①准备的芒硝加热至40℃-45℃至芒硝完全熔化，获得预制熔池；
    ②将阶段2）步骤④获得的竹纤维布完全浸入步骤①获得的预制熔池中，然后冷却至室温至预制熔池完全冷却，获得固体混合物，该固体混合物即为所需固化整合的填料；
    4）地板成型加工
    ①将阶段3）步骤②获得的固化整合的填料机械切割加工为与地板内核设计尺寸相适应的形状和尺寸，获得地板核块；
    ②以阶段1）步骤①准备的酚醛树脂为整合封装材料，预留4份-5份的酚醛树脂后，将其它酚醛树脂全部热熔后采用热压成型工艺将步骤①获得的地板核块完全包裹并热压成为与地板外形设计尺寸相适应但厚度相较设计尺寸小的形状和尺寸，获得半成型固化地板；
    　③将步骤②预留的4份-5份的酚醛树脂热熔后与阶段1）步骤①准备的氧化铝粉末完全混合均匀，再将混合熔体均匀刷涂在步骤②获得的半成型固化地板上表面，烘烤冷却后机械加工抛光至达到设计尺寸，即获得所需隔音地板
  2. 一种热适应环保隔音地板，其特征在于：该隔音涂料由封装材料、功能填料及表面耐磨层三部分组成，其中封装材料为以按重量份计45份-56份的酚醛树脂为原材料制备的树脂基体，功能填料为以按重量份计毛竹200份-220份、芒硝50份-60份为原材料制备的竹纤维复合材料，表面耐磨层为以按重量份计4份-5份、氧化铝粉末1份-1.2份的酚醛树脂为原材料制备的耐磨复合材料。
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