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赫斯基科技:PET瓶盖注塑解决方案

Mar 11, 2025
01:29

雅式橡塑网2025年橡塑十大技术趋势案例

 

申报企业:赫斯基科技

申报类别:低碳再生回收工艺

产品名称:瓶到瓶 Bottle-to-Bottle


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产品简介:作为一项突破性创新,赫斯基的PET瓶盖旨在增强饮料包装的可持续性与可回收性。传统塑料饮料包装由2种材料制造而成——PET制造瓶身;HDPE或PP制造瓶盖。PET是全球范围内循环利用最为普遍的塑料,而HDPE和PP瓶盖通常需要分拣且往往降级投入到非食品应用中。这既限制了循环性也降低了rPET回收率。


凭借切实可行的单一材料饮料包装解决方案,赫斯基的PET瓶盖解决了这一难题。将瓶盖材料由HDPE或PP转换到PET,那么整个包装仅含一种材质,其循环回收过程得以简化,令rPET产量得到提升,更好地促进材料的循环使用。


鉴于PET的独特材料属性,开发媲美HDPE/PP瓶盖性能的PET瓶盖须克服艰巨的技术挑战。赫斯基凭借在注塑领域的广泛专业知识,开发了专利防盗环(TE)制造工艺,确保无阻力封盖、卓越的安全保护、完善的开盖体验。应用这一工艺,可实现防盗环在模后形成,从而减小了封盖过程中对桥点处的冲击,并确保消费者在拧开瓶盖时,拥有听觉、触觉和视觉上的良好体验。


除却可回收性,赫斯基的PET瓶盖还有助于实现轻量化。得益于PET的坚固性,可缩短瓶口高度并减少螺纹啮合长度,从而在瓶身和瓶盖上实现显著的材料节省。由此,塑料消耗量降低了,运输成本缩减了,总体碳足迹也减小。


伴随与日俱增的法规压力以及行业致力于增加可回收物含量的承诺,赫斯基的PET瓶盖为品牌和包装制造商提供了量产解决方案,实现真正意义上的循环性。这项技术已获得行业青睐,首批PET瓶盖设备将于2025年投产运行。

 

创新亮点突破

1. 单一材料循环性:PET用于瓶身和瓶盖的制造,无须材料分拣步骤,提高rPET产量并简化回收工序。

2. 专利防盗环:模后防盗环制造工艺提升安全性,确保无阻力封盖并为消费者提供更令人愉悦的开盖体验(伴随明显的听觉、触觉和视觉提示)。

3. 轻量化推进可持续性:PET的坚固度令较短的瓶盖和瓶口成为可能,减少材料使用、塑料废弃物以及碳足迹。

4. 无缝衔接的制造整成:PET瓶盖可在传统注塑设备上生产,仅需如下改造:

  • 优化的注射螺杆:专为PET材料加工而设计

  • 阀针式浇口热流道:确保精确填充和浇口质量(冷半模不变)

  • 树脂干燥机:防止与湿度相关的缺陷产生,从而优化工艺

  • 防盗环形成装置:模后生产安全、可靠的防盗环

  • 随着更多可持续性法规的出台以及市场对于环保包装的需求不断走高,赫斯基的PET瓶盖提供了及时、可规模化、高性能的解决方案,支持真正意义上的循环塑料经济。



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