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The Impact of Sterilization on the Oxygen Barrier Properties of PVDC Composite Film

The Impact of Sterilization on the Oxygen Barrier Properties of PVDC Composite Film

The Impact of Sterilization on the Oxygen Barrier Properties of PVDC Composite Film

Product catalog summary
Introduction
The document discusses the impact of sterilization on the oxygen barrier properties of PVDC composite film, a material commonly used in food packaging. Sterilization is crucial for food safety but can affect packaging material properties.

Materials and Methods
PVDC composite film samples underwent sterilization, and their oxygen permeability was measured before and after using the Labthink C230H Oxygen Transmission Rate Test System. This system uses the coulometric method to determine oxygen transmission rates. The procedure involved cutting film samples, clamping them into test chambers, and setting parameters like temperature and humidity. High-purity oxygen and nitrogen were used in the chambers, and the permeated oxygen was measured by a coulometric sensor.

Labthink C230H System
The Labthink C230H system is based on the coulometric sensor method and conforms to ASTM D3985 standards. It measures the oxygen transmission rate of materials with high accuracy and efficiency. The system features an integrated test block with three permeation cells and a high precision sensor, allowing precise control of temperature, humidity, and flow rate. It is applicable for testing various packaging materials across industries.

Results and Discussion
The study found that sterilization significantly improved the oxygen barrier properties of PVDC composite film, as evidenced by a lower oxygen transmission rate in sterilized samples. This suggests a change in the film's molecular structure, reducing oxygen permeability.

Conclusion
Sterilization enhances the oxygen barrier properties of PVDC composite film. The C230H system effectively measures these properties. Further research is needed to understand the mechanisms behind this improvement and its implications for food packaging. Labthink invites collaboration with industry companies for quality control and encourages visiting their website for more information.
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Catalog excerpts

The Impact of Sterilization on the Oxygen Barrier Properties of PVDC Composite Film-1

Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 The Impact of Sterilization on the Oxygen Barrier Properties of PVDC Composite Film Introduction The sterilization process is a critical step in food processing, ensuring the safety of products. However, this process can also influence the properties of packaging materials. This study investigates the effect of sterilization on the oxygen barrier properties of PVDC composite film, a commonly used packaging material. Materials and Methods PVDC composite film samples were subjected to a sterilization process. The oxygen permeability of these samples was measured both before and after sterilization using Labthink C230H Oxygen Transmission Rate Test System. This system employs the coulometric method, also known as the equal-pressure method, to determine oxygen transmission rates. The test procedure involved cutting samples from the film, clamping them into the test chambers of the instrument, and setting parameters such as temperature and humidity. High-purity oxygen and nitrogen were introduced into the upper and lower chambers, respectively. The oxygen that permeated through the film was measured by the coulometric sensor.

 Open the catalog to page 1
The Impact of Sterilization on the Oxygen Barrier Properties of PVDC Composite Film-2

Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 Labthink C230H Oxygen Transmission Rate Test System is designed and manufactured based on the coulometric sensor method (aka. equal pressure method) and conforms to ASTM D3985. This instrument can be used to measure the oxygen transmission rate of barrier materials with high and medium barrier properties with high accuracy and high efficiency. The instrument features Labthink’s patented design of integrated test block consisting of three permeation cells. Equipped with a high precision coulometric sensor and Labthink’s professional...

 Open the catalog to page 2
The Impact of Sterilization on the Oxygen Barrier Properties of PVDC Composite Film-3

Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 The results indicated that sterilization significantly improved the oxygen barrier properties of the PVDC composite film. The oxygen transmission rate of the sterilized samples was lower than that of the unsterilized samples. This suggests that the sterilization process may have altered the molecular structure of the film, making it less permeable to oxygen. Conclusion This study demonstrates that sterilization can enhance the oxygen barrier properties of PVDC composite film. The coulometric method used in the C230H Oxygen Transmission...

 Open the catalog to page 3

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