WO2020093469A1 - 一种利用射频焊接技术成型的鞋类制备方法 - Google Patents

一种利用射频焊接技术成型的鞋类制备方法 Download PDF

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Publication number
WO2020093469A1
WO2020093469A1 PCT/CN2018/117142 CN2018117142W WO2020093469A1 WO 2020093469 A1 WO2020093469 A1 WO 2020093469A1 CN 2018117142 W CN2018117142 W CN 2018117142W WO 2020093469 A1 WO2020093469 A1 WO 2020093469A1
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Prior art keywords
radio frequency
frequency welding
midsole
polymer
polymer material
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PCT/CN2018/117142
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English (en)
French (fr)
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冯云平
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广东奔迪新材料科技有限公司
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Publication of WO2020093469A1 publication Critical patent/WO2020093469A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D25/00—Devices for gluing shoe parts

Definitions

  • the invention relates to the technical field of footwear preparation methods, and more particularly, to a footwear preparation method formed by radio frequency welding technology.
  • the material is heated by hot air, and the heat is applied to the outside of the material to melt the outside of the material, thereby achieving fusion bonding.
  • hot air heating materials are only suitable for thinner thicknesses. If the inner core cannot reach the proper temperature, the thicker material will not be fully bonded, and the use of hot air to bond the thicker material will cause the outer layer to become overheated or scorched.
  • the purpose of the present invention is to overcome the above-mentioned defects in the prior art, provide a fast heating speed, high energy efficiency, short heating time, effectively prevent thermal damage of polymer materials, RF welding can be evenly distributed throughout the polymer material, provide A stronger seam, which effectively guarantees the service life of the shoe material, is a preparation method of footwear formed by radio frequency welding technology.
  • the present invention provides a method for preparing footwear using radio frequency welding technology, including the following steps:
  • the radio frequency is set to 3 to 300 MHz, and the electromagnetic wave with a wavelength of 1 mm to 100 mm.
  • the polar sensitizer dielectric material is Ni 2 O 3 or Mn0 2 or Sn0 2 or Fe 2 O 3 or Cr 2 O 3 or V 2 O 5 or carbon black or conductive carbon black or graphite.
  • the added amount of the polar sensitizer is 1-50%.
  • the polymer material is EVA or TPU or PEBAX or TPE or TPO or TPV or TPEE or TPAE or natural rubber or synthetic rubber or PET or PETG or PVC or PP or PE or PPO or POE or EP or PA or SBS or SIS or SEBS or SEPS or TPB or TPI or TPVC or TCPE or TPF.
  • the midsole is prepared from polymer elastomer or polymer foamed elastomer or polymer elastomer foamed beads.
  • the midsole is made of polymer elastomer foam beads prepared by radio frequency heating molding.
  • the method for preparing footwear provided by the present invention bonds the upper, midsole, outsole and other functional components by radio frequency welding technology.
  • the cross-section of the polymer material heated by radio frequency is thermally homogeneous, and the temperature gradient is visible It is zero.
  • RF heating welding uses polarized sensitized dielectric materials to generate polarized heating polymer materials, so that the polymer materials are heated uniformly. Moreover, the RF heating speed is fast, the energy efficiency is high, and the heating time is short, which effectively prevents the polymer material from heating. Damage, radio frequency welding can be evenly distributed throughout the polymer material, can provide a stronger seam, effectively ensure the service life of the shoe material, the manufacturing process is simple and easy to achieve, and effectively improve the production efficiency and production quality of the product.
  • the embodiment of the present invention provides a method for preparing footwear formed by radio frequency welding technology, which includes the following steps:
  • the functional parts are welded to the upper, midsole and outsole by radio frequency welding technology
  • the radio frequency is set to 3MHz and the electromagnetic wave with a wavelength of 1mm can be adjusted according to the actual situation, which is not limited by this embodiment.
  • the polar sensitizer dielectric material is Ni 2 O 3 or Mn0 2 or Sn0 2 or Fe 2 O 3 or Cr 2 O 3 or V 2 O 5 or carbon black or conductive carbon black or graphite.
  • the amount of chemical agent added is 1-50%, which can be selected according to the actual situation.
  • the polymer material is EVA or TPU or PEBAX or TPE or TPO or TPV or TPEE or TPAE or natural rubber or synthetic rubber or PET or PETG or PVC or PP or PE or PPO or POE or EP or PA or SBS or SIS or SEBS or SEPS or TPB or TPI or TPVC or TCPE or TPF can be selected according to actual needs.
  • the midsole is prepared by polymer elastomer or polymer foam elastomer or polymer elastomer foam beads.
  • the midsole is polymer elastomer foam beads prepared by radio frequency heating and molding.
  • Radio frequency welding is a process that uses electromagnetic energy to bond polymer materials together.
  • the internally generated polarization is used to heat the polymer materials without applying external heat.
  • Pressure is applied to the bonding area to ensure the success of the bonding.
  • the two electrodes Under the action of radio frequency, the two electrodes generate an oscillating electric field, and the polarization inside the medium is generated. Because the polarization intensity vector lags behind the electric field by an angle, a current in phase with the electric field is generated. The movement of these molecules releases energy in the form of heat. When the temperature of the polymer material is raised in a short time, the polymer molecules start to melt and bond to each other.
  • the upper, midsole, outsole and other functional components are bonded by radio frequency welding technology.
  • the cross section of the polymer material heated by radio frequency is thermally homogenous, and its temperature gradient can be regarded as zero.
  • Polarization sensitized dielectric material generates polarization heating polymer material inside, so that the polymer material is heated uniformly, and the RF heating speed is fast, the energy efficiency is high, and the heating time is short, which effectively prevents the thermal damage of the polymer material.
  • it can provide a stronger seam, effectively guarantee the service life of the shoe material, the manufacturing process is simple and easy to achieve, and effectively improve the production efficiency and production quality of the product.
  • the embodiment of the present invention provides a method for preparing footwear formed by using radio frequency welding technology, which includes the following steps:
  • the functional parts are welded to the upper, midsole and outsole by radio frequency welding technology
  • the radio frequency is set to 150MHz and the electromagnetic wave with a wavelength of 50mm can be adjusted according to the actual situation, which is not limited by this embodiment.
  • the polar sensitizer dielectric material is Ni 2 O 3 or Mn0 2 or Sn0 2 or Fe 2 O 3 or Cr 2 O 3 or V 2 O 5 or carbon black or conductive carbon black or graphite.
  • the amount of chemical agent added is 1-50%, which can be selected according to the actual situation.
  • the polymer material is EVA or TPU or PEBAX or TPE or TPO or TPV or TPEE or TPAE or natural rubber or synthetic rubber or PET or PETG or PVC or PP or PE or PPO or POE or EP or PA or SBS or SIS or SEBS or SEPS or TPB or TPI or TPVC or TCPE or TPF can be selected according to actual needs.
  • the midsole is prepared by polymer elastomer or polymer foam elastomer or polymer elastomer foam beads.
  • the midsole is polymer elastomer foam beads prepared by radio frequency heating and molding.
  • the upper, midsole, outsole and other functional components are bonded by radio frequency welding technology.
  • the cross section of the polymer material heated by radio frequency is thermally homogenous, and its temperature gradient can be regarded as zero.
  • Polarization sensitized dielectric material generates polarization heating polymer material inside, so that the polymer material is heated uniformly, and the RF heating speed is fast, the energy efficiency is high, and the heating time is short, which effectively prevents the thermal damage of the polymer material, and the RF welding can be evenly distributed In the entire polymer material, it can provide a stronger seam and effectively guarantee the service life of the shoe material.
  • the embodiment of the present invention provides a method for preparing footwear formed by radio frequency welding technology, which includes the following steps:
  • the functional parts are welded to the upper, midsole and outsole by radio frequency welding technology
  • the electromagnetic frequency of the radio frequency set to 300 MHz and the wavelength of 100 mm can be adjusted according to the actual situation, and is not limited by this embodiment.
  • the polar sensitizer dielectric material is Ni 2 O 3 or Mn0 2 or Sn0 2 or Fe 2 O 3 or Cr 2 O 3 or V 2 O 5 or carbon black or conductive carbon black or graphite.
  • the amount of chemical agent added is 1-50%, which can be selected according to the actual situation.
  • the polymer material is EVA or TPU or PEBAX or TPE or TPO or TPV or TPEE or TPAE or natural rubber or synthetic rubber or PET or PETG or PVC or PP or PE or PPO or POE or EP or PA or SBS or SIS or SEBS or SEPS or TPB or TPI or TPVC or TCPE or TPF can be selected according to actual needs.
  • the midsole is prepared by polymer elastomer or polymer foam elastomer or polymer elastomer foam beads.
  • the midsole is polymer elastomer foam beads prepared by radio frequency heating and molding.
  • the method for preparing footwear bonds uppers, midsoles, outsoles and other functional components by radio frequency welding technology, and the cross-section of the polymer material heated by radio frequency is thermally homogeneous.
  • the temperature gradient can be regarded as zero.
  • RF heating welding is to use polarized sensitized dielectric materials to generate polarized heating polymer materials, so that the polymer materials are heated uniformly, and the RF heating speed is fast, energy efficiency is high, and the heating time is short, effective
  • radio frequency welding can be evenly distributed throughout the polymer material, which can provide stronger joints, effectively ensure the service life of shoe materials, and the manufacturing process is simple and easy to achieve, effectively improving product production efficiency and production quality.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

一种利用射频焊接技术成型的鞋类制备方法，通过射频焊接技术将鞋面、中底、大底和其他功能部件进行粘合，射频加热的聚合物材料的横截面是热均质的，其温度梯度可视为零，射频加热焊接是利用极性敏化介质材料内部产生极化加热聚合物材料，使得聚合物材料加热均匀。射频加热速度快、能效高、加热时间短，有效防止聚合物材料的热损伤，射频焊接能够均匀分布在整个聚合物材料中，能够提供更加坚固的接缝，有效保证鞋材的使用寿命，制作工序简单易实现，能有效提升产品的生产效率和生产质量。

Description

一种利用射频焊接技术成型的鞋类制备方法 技术领域
本发明涉及鞋类制备方法技术领域，更具体地说，是涉及一种利用射频焊接技术成型的鞋类制备方法。
背景技术
随着生活水平的日渐提高，人们对鞋类的功能需求越来越多元化，特别是对鞋制品的性能要求越来越高。由于聚合物鞋类制品具有柔软轻便、弹性好、防滑耐摩擦和耐化学腐蚀等性能，因此被作为鞋材广泛应用于运动鞋、拖鞋、凉鞋、休闲鞋等鞋子中。然而，随着人们生活质量的提高以及个性化的要求，需要提高穿着舒适感和满足不同功能的需求，鞋材鞋底通常使用不同颜色、不同硬度的鞋底主体部和功能件。
现有技术中，常用的鞋材成型方法有以下几种：
(1)预先制备多色、密度不同的鞋材主体部、功能件或修饰片，然后通过粘合剂将鞋材主体部、功能件和修饰片粘合在一起，以此制作成型不同材料的多色多密度的鞋材或鞋子。然而，此种制作方法得到的鞋类制品容易分层脱胶，粘合胶也会在胶黏剂磨损后失效，而且，操作复杂繁琐，劳动强度大，生产成本高，胶黏剂对工人健康造成极大影响，且对环境污染大。
(2)分别制备各色各密度的鞋材预制件，然后贴合构成多色多密度的鞋胚，再将鞋胚进行模压加热成型，以此制作不同材料的多色多密度的鞋材或鞋制品。然而，常规的电加热的传热方式是由物料表面至内部逐步 进行传递，在成型过程中由于鞋胚的压力和温度存在差异，影响鞋制品的粘结程度和外观质量，容易出现报废品，降低生产效率和生产质量。
(3)通过热空气加热材料热粘，将空气热量施加到材料的外部，使材料的外部熔化，从而实现熔粘。然而，热空气加热材料只适用于较薄的厚度。若里芯不能达到适当的温度，较厚的材料将不会完全粘结，而且，使用热空气粘合较厚的材料会导致外层变得过热或烧焦。
(4)蒸汽热熔接，此方法主要应用于聚合物发泡珠粒的熔接成型，将蒸汽热量施加到聚合物发泡珠粒表面使其熔化而实现熔粘。然而，蒸汽加热过程不均匀，不同的厚度无法同时达到适当的温度，使厚度大的材料无法完全粘结。
(5)缝纫连接，此方法无法达到气密性，使密封处容易受到空气、湿气和灰尘的侵入。
以上方法均无法很好的制备多色多密度的鞋材或鞋子。
发明内容
本发明的目的在于克服现有技术中的上述缺陷，提供一种加热速度快、能效高、加热时间短，有效防止聚合物材料的热损伤，射频焊接能够均匀分布在整个聚合物材料中，提供更加坚固的接缝，有效保证鞋材的使用寿命的利用射频焊接技术成型的鞋类制备方法。
为实现上述目的，本发明提供了一种利用射频焊接技术成型的鞋类制备方法，包括以下步骤：
(1)将极性敏化剂介质材料与聚合物材料均匀混合，制备鞋类的鞋面、中底、大底和功能部件；
(2)将功能部件按设计要求利用射频焊接技术焊接于鞋面、中底和 大底上；
(3)把鞋面、中底和大底一起放于射频设备的定型模具上，在射频作用下，向粘合区域施加压力，将鞋面、中底和大底利用电磁能量粘合在一起，得到成型鞋材。
作为优选的，所述射频频率设置为3至300MHz，波长为1mm至100mm的电磁波。
作为优选的，所述极性敏化剂介质材料为Ni 2O 3或Mn0 2或Sn0 2或Fe 2O 3或Cr 2O 3或V 2O 5或碳黑或导电碳黑或石墨，所述极性敏化剂的添加量为1～50％。
作为优选的，所述聚合物材料为EVA或TPU或PEBAX或TPE或TPO或TPV或TPEE或TPAE或天然橡胶或合成橡胶或PET或PETG或PVC或PP或PE或PPO或POE或EP或PA或SBS或SIS或SEBS或SEPS或TPB或TPI或TPVC或TCPE或TPF。
作为优选的，所述中底为聚合物弹性体或聚合物发泡弹性体或聚合物弹性体发泡珠粒制备。
作为优选的，所述中底为聚合物弹性体发泡珠粒由射频加热模压制备成型。
与现有技术相比，本发明的有益效果在于：
本发明提供的鞋类制备方法通过射频焊接技术将鞋面、中底、大底和其他功能部件进行粘合，通过射频加热的聚合物材料的横截面是热均质的，其温度梯度可视为零，射频加热焊接利用极性敏化介质材料内部产生极化加热聚合物材料，使得聚合物材料加热均匀，而且，射频加热速度快、能效高、加热时间短，有效防止聚合物材料的热损伤，射频焊接能够均匀 分布在整个聚合物材料中，能够提供更加坚固的接缝，有效保证鞋材的使用寿命，制作工序简单易实现，有效提升产品的生产效率和生产质量。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例一
本发明的实施例提供了一种利用射频焊接技术成型的鞋类制备方法，包括以下步骤：
(1)将极性敏化剂介质材料与聚合物材料均匀混合，制备鞋类的鞋面、中底、大底和功能部件；
(2)将功能部件按设计要求利用射频焊接技术焊接于鞋面、中底和大底上；
(3)把鞋面、中底和大底一起放于射频设备的定型模具上，在射频作用下，向粘合区域施加压力，将鞋面、中底和大底利用电磁能量粘合在一起，得到成型鞋材。
本实施例中，射频频率设置为3MHz，波长为1mm的电磁波，可根据实际情况进行调节，并非本实施例所限。
较佳的，极性敏化剂介质材料为Ni 2O 3或Mn0 2或Sn0 2或Fe 2O 3或Cr 2O 3或V 2O 5或碳黑或导电碳黑或石墨，极性敏化剂的添加量为1～50％，可根据实际情况进行选择。
其中，聚合物材料为EVA或TPU或PEBAX或TPE或TPO或TPV或TPEE或TPAE或天然橡胶或合成橡胶或PET或PETG或PVC或PP或PE或PPO或POE或EP或PA或SBS或SIS或SEBS或SEPS或TPB或TPI或TPVC或TCPE或TPF，可根据实际情况需求进行选择。
其中，中底为聚合物弹性体或聚合物发泡弹性体或聚合物弹性体发泡珠粒制备。
较佳的，中底为聚合物弹性体发泡珠粒由射频加热模压制备成型。
射频焊接是利用电磁能量将聚合物材料粘合在一起的过程，利用内部产生极化加热聚合物材料，无需施加外部热量，通过向粘合区施加压力，以确保粘结的成功。
在射频作用下，两个电极产生一个振荡的电场，介质内部产生极化，由于极化强度矢量落后于电场一个角度，从而产生与电场同相的电流，这些分子的运动以热的形式释放能量，使聚合物材料在短时间内温度升高，聚合物分子开始熔化并相互粘结。
通过射频焊接技术将鞋面、中底、大底和其他功能部件进行粘合，通过射频加热的聚合物材料的横截面是热均质的，其温度梯度可视为零，射频加热焊接是利用极性敏化介质材料内部产生极化加热聚合物材料，使得聚合物材料加热均匀，而且，射频加热速度快、能效高、加热时间短，有效防止聚合物材料的热损伤，射频焊接能够均匀分布在整个聚合物材料中，能够提供更加坚固的接缝，有效保证鞋材的使用寿命，制作工序简单易实现，有效提升产品的生产效率和生产质量。
实施例二
本发明的实施例提供了一种利用射频焊接技术成型的鞋类制备方法， 包括以下步骤：
(1)将极性敏化剂介质材料与聚合物材料均匀混合，制备鞋类的鞋面、中底、大底和功能部件；
(2)将功能部件按设计要求利用射频焊接技术焊接于鞋面、中底和大底上；
(3)把鞋面、中底和大底一起放于射频设备的定型模具上，在射频作用下，向粘合区域施加压力，将鞋面、中底和大底利用电磁能量粘合在一起，得到成型鞋材。
本实施例中，射频频率设置为150MHz，波长为50mm的电磁波，可根据实际情况进行调节，并非本实施例所限。
较佳的，极性敏化剂介质材料为Ni 2O 3或Mn0 2或Sn0 2或Fe 2O 3或Cr 2O 3或V 2O 5或碳黑或导电碳黑或石墨，极性敏化剂的添加量为1～50％，可根据实际情况进行选择。
其中，聚合物材料为EVA或TPU或PEBAX或TPE或TPO或TPV或TPEE或TPAE或天然橡胶或合成橡胶或PET或PETG或PVC或PP或PE或PPO或POE或EP或PA或SBS或SIS或SEBS或SEPS或TPB或TPI或TPVC或TCPE或TPF，可根据实际情况需求进行选择。
其中，中底为聚合物弹性体或聚合物发泡弹性体或聚合物弹性体发泡珠粒制备。
较佳的，中底为聚合物弹性体发泡珠粒由射频加热模压制备成型。
通过射频焊接技术将鞋面、中底、大底和其他功能部件进行粘合，通过射频加热的聚合物材料的横截面是热均质的，其温度梯度可视为零，射频加热焊接是利用极性敏化介质材料内部产生极化加热聚合物材料，使得 聚合物材料加热均匀，而且，射频加热速度快、能效高、加热时间短，有效防止聚合物材料的热损伤，射频焊接能够均匀分布在整个聚合物材料中，能够提供更加坚固的接缝，有效保证鞋材的使用寿命。
实施例三
本发明的实施例提供了一种利用射频焊接技术成型的鞋类制备方法，包括以下步骤：
(1)将极性敏化剂介质材料与聚合物材料均匀混合，制备鞋类的鞋面、中底、大底和功能部件；
(2)将功能部件按设计要求利用射频焊接技术焊接于鞋面、中底和大底上；
(3)把鞋面、中底和大底一起放于射频设备的定型模具上，在射频作用下，向粘合区域施加压力，将鞋面、中底和大底利用电磁能量粘合在一起，得到成型鞋材。
本实施例中，射频频率设置为300MHz，波长为100mm的电磁波，可根据实际情况进行调节，并非本实施例所限。
较佳的，极性敏化剂介质材料为Ni 2O 3或Mn0 2或Sn0 2或Fe 2O 3或Cr 2O 3或V 2O 5或碳黑或导电碳黑或石墨，极性敏化剂的添加量为1～50％，可根据实际情况进行选择。
其中，聚合物材料为EVA或TPU或PEBAX或TPE或TPO或TPV或TPEE或TPAE或天然橡胶或合成橡胶或PET或PETG或PVC或PP或PE或PPO或POE或EP或PA或SBS或SIS或SEBS或SEPS或TPB或TPI或TPVC或TCPE或TPF，可根据实际情况需求进行选择。
其中，中底为聚合物弹性体或聚合物发泡弹性体或聚合物弹性体发泡 珠粒制备。
较佳的，中底为聚合物弹性体发泡珠粒由射频加热模压制备成型。
综上所述，本发明提供的鞋类制备方法通过射频焊接技术将鞋面、中底、大底和其他功能部件进行粘合，通过射频加热的聚合物材料的横截面是热均质的，其温度梯度可视为零，射频加热焊接是利用极性敏化介质材料内部产生极化加热聚合物材料，使得聚合物材料加热均匀，而且，射频加热速度快、能效高、加热时间短，有效防止聚合物材料的热损伤，射频焊接能够均匀分布在整个聚合物材料中，能够提供更加坚固的接缝，有效保证鞋材的使用寿命，制作工序简单易实现，有效提升产品的生产效率和生产质量。
上述实施例为本发明较佳的实施方式，但发明的实施方式并不受上述实施例的限制，其他的任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均应为等效的置换方式，都包含在本放的保护范围之内。

Claims (6)

  1. 一种利用射频焊接技术成型的鞋类制备方法，其特征在于：包括以下步骤：
    (1)将极性敏化剂介质材料与聚合物材料均匀混合，制备鞋类的鞋面、中底、大底和功能部件；
    (2)将功能部件按设计要求利用射频焊接技术焊接于鞋面、中底和大底上；
    (3)把鞋面、中底和大底一起放于射频设备的定型模具上，在射频作用下，向粘合区域施加压力，将鞋面、中底和大底利用电磁能量粘合在一起，得到成型鞋材。
  2. 根据权利要求1所述的一种利用射频焊接技术成型的鞋类制备方法，其特征在于：所述射频频率设置为3至300MHz，波长为1mm至100mm的电磁波。
  3. 根据权利要求1所述的一种利用射频焊接技术成型的鞋类制备方法，其特征在于：所述极性敏化剂介质材料为Ni 2O 3或Mn0 2或Sn0 2或Fe 2O 3或Cr 2O 3或V 2O 5或碳黑或导电碳黑或石墨，所述极性敏化剂的添加量为1～50％。
  4. 根据权利要求1所述的一种利用射频焊接技术成型的鞋类制备方法，其特征在于：所述聚合物材料为EVA或TPU或PEBAX或TPE或TPO或TPV或TPEE或TPAE或天然橡胶或合成橡胶或PET或PETG或PVC或PP或PE或PPO或POE或EP或PA或SBS或SIS或SEBS或SEPS或TPB或TPI或TPVC或TCPE或TPF。
  5. 根据权利要求1所述的一种利用射频焊接技术成型的鞋类制备方法，其特征在于：所述中底为聚合物弹性体或聚合物发泡弹性体或聚合物弹性体发泡珠粒制备。
  6. 根据权利要求5所述的一种利用射频焊接技术成型的鞋类制备方法，其特征在于：所述中底为聚合物弹性体发泡珠粒由射频加热模压制备成型。
PCT/CN2018/117142 2018-11-08 2018-11-23 一种利用射频焊接技术成型的鞋类制备方法 WO2020093469A1 (zh)

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