PET瓶在热灌装饮料中的应用

通过PET的分子结构、物理／化学特性来说明影响PET瓶品质的物理、化学因素；通过PET瓶的生产工艺流程及热灌装PET的吹瓶方法／过程、及影响因素来说明PET瓶品质问题的产生原因及其解决方法；通过PET瓶在热灌装线的使用过程来说明影响PET热灌装饮料包装品质的因素及其解决方法；从而为PET瓶在热灌装线的使用提供了较有借鉴意义的一手资料。     

PET瓶在碳酸饮料中的应用

从PET分子结构说明影响PET瓶质量的物理和化学特性;根据生产实践及经验,从PET瓶生产工艺、生产过程说明影响PET瓶质量的因素及其控制方法;从PET瓶使用过程说明影响产品包装质量的因素及控制方法.为保证产品包装质量提供具有参考价值的经验和技术.     

PET瓶热灌装饮料产品质量控制及影响产品稳定性因素

PET瓶热灌装是目前流行的饮料包装形式之一。结合生产实践,对PET瓶热灌装饮料涉及的主要设备、生产工艺流程及生产过程中的质量控制要求进行了详细的总结,并对影响PET瓶饮料产品稳定性的因素进行了分析。     

PET热灌装菊花茶饮料品质的过程控制措施

简介了PET热灌装菊花饮料的工艺流程，详细说明了PET热灌装菊花茶饮料品质的过程控制措施和管理要求；并通过饮料发酵或饮料变浑浊（透过率97%）的原因分析来说明其控制要点；从而为PET热灌装菊花茶饮料的品质控制提供了较有借鉴意义的一手资料。     

PET热灌装瓶用塑料防盗盖的选用

对PET热灌装瓶的塑料防盗盖的类型和性能作了简单介绍;并对其使用范围作了说明.     

信息9条

●茶饮热灌装线 近日,合肥轻工业机械厂研制开发出国内首条18000瓶/时PET瓶茶饮料热灌装生产线.全线设备包括:理瓶、冲瓶、灌装封口、恒温系统、盖杀菌、冷瓶、装箱机等,整线采用高温灌装、PLC控制、变频调速,操作方便、自动化程度高.主要部件采用进口件,确保整线性能稳定,节能、高效、低损.其中回流量控制在5%以内,保证了茶饮料的品质.     

PET瓶热灌装饮料产品质量控制

PET瓶热灌装是目前流行的饮料包装形式之一.文章结合生产实践,对PET瓶热灌装饮料涉及的生产工艺流程、主要生产设备及生产过程中的质量控制要求进行了详细的分析、总结,供同行参考.     

乐惠成功开发PET瓶无菌冷灌装生产线

乐惠集团在比较和借鉴国外最新PET瓶无菌灌装技术的基础上 ,凭借丰富的加工经验与先进的加工技术 ,投入科研经费 1 0 0 0多万元 ,成功开发出具有世界领先水平的采用无菌隔离技术的中国第一条PET瓶冷无菌灌装生产线。该PET瓶无菌冷灌装生产线可适于 3 5 0～ 2 5 0 0mL的PET瓶装酸性及中性的果蔬汁、茶和各种饮料。随着PET瓶包装在世界范围的蓬勃发展 ,果汁和软饮料的灌装正在由热灌装向无菌冷灌装进发。根据市场及消费者对饮料品质的不断追求 ,热灌装市场的份额将会逐步减少 ,取而代之的是具有广阔市场潜力的无菌冷灌装。根据这一变化…     

耐高温聚酯瓶的生产新概念

<正> 早在20多年前,研制高质量、重量轻的PET饮料瓶的工作已经开展。为满足饮料工业不断变化的应用要求,PET材料及瓶子的设计必须不断地改善,同时,拉伸吹塑机及其有关的加工方法也需继续改进。目前,PET瓶的研制工作仍集中在生产适合生物敏感饮料的热灌装瓶,以及洗瓶机的洗瓶工艺。其应用范围广泛,适宜于热灌装作业和多次使用的容器。     

充氮热灌工艺在PET瓶饮料生产中的应用

PET瓶热灌装工艺具有安全性高,操控性能好,投资少等优点,在饮料生产领域应用广泛,但饮料从热态到常温过程中体积收缩产生负压,给瓶体设计造成一定局限性,必须利用呼吸板块吸收负压,同时瓶体需采用厚加强筋以提高强度.充氮热灌装工艺是在传统热灌装工艺的灌装工序后,旋盖前向瓶体内部注射液氮,通过氮气在热态和常温下的压力变化来消除...     

HACCP在PET热灌装果汁饮料生产中的应用

简迷了PET热灌装果汁饮料的生产工艺．并将HACCP体系应用于PET热灌装果汁饮料的生产过程中．对生产过程各环节可能造成的潜在危害进行了分析评估．制定了HACCP危害分析表和HACCP计划表。     

BOPP瓶与PET瓶在热灌装果汁及饮料应用上之比较

以白柚果汁为例，分别热灌装于BOPP（biaxial oriented polypropyle与PET（polyethylene terehthalate)瓶内，藉分析贮藏35d于4℃、25℃及37℃之温度下样品之物理化学性质，探讨两种包材对于热罐装饮料品质影响。     

Analysis of residual volatiles in recycled polyethylene terephthalate

The residual volatiles in recycled polyethylene terephthalate (PET) were analyzed using headspace/GC/MS. Recycled PET samples were made from PET bottles used for beverages, alcohol and soy sauce, and they were recycled in physical recycling plants, chemical recycling plants and superclean-like recycling trials. The physically recycled PET flakes contained small amounts of volatiles such as ethanol, limonene, 2-methyl-1,3-dioxolane, acetone, octanal and nonanal. Most of them originated from foods packed in bottles, and only 2-methyl-1,3-dioxolane was derived from polymer impurities. In contrast, the superclean-like or chemically recycled PET contained no detectable volatiles, like new PET pellets. The PET sheets shaped from physically recycled PET had no detectable volatiles. Not only the chemically and superclean-like recycled PET, but also the physically recycled PET contained no hazardous volatiles. It was concluded that there is no safety concern about volatiles in recycled PET, for the present use.     

热灌装非结晶瓶口的节能效果研究

本文通过对瓶口的结晶及非结晶工艺之间的比较,阐述了非结晶PET瓶口在节能方面的优点并分析了瓶口非结晶工艺的原理和方法,旨在对生产热灌装瓶的企业给出一定的参考,可对"节能减排,低碳经济"政策的实施有较大的促进作用。     

Safety and quality of plastic food packaging materials: validation of a modified chemical inertness test method for refillable poly(ethylene terephthalate) bottles

The increased use of refillable poly(ethylene terephthalate) (PET) bottles as packaging for soft drinks has prompted us to investigate the effect of sorption of artificially introduced chemical contaminants into refillable PET bottles in order to establish a practical and easy-to-apply test procedure to evaluate their chemical inertness. For this evaluation, quick laboratory procedures, which focus on the interaction of PET bottle wall strips in place of actual bottles with a selection of model contaminants representing the myriad of chemicals, are proposed. The first objective of this study was to validate a modified quick chemical inertness test method for refillable bottles by comparing the results of sorption into PET strips with those of tests using actual PET bottles. A further objective was to investigate the stability of refillable PET bottles which were stored under unfavorable conditions, in relation to the chemical inertness behavior of the material. The results indicate the suitability of the modified quick test as it satisfactorily simulates contamination of refillable PET bottles. Moreover, storage of these bottles under unfavorable conditions does not have an adverse effect on the chemical inertness behavior of the plastic material.