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Novel medical plastics cope with the soaring demand for epidemic prevention equipment
Publish Date: 2020/05/28
The demand for personal protective equipment (PPE) and medical devices for COVID-19 diagnosis and treatment continues to rise. In order to provide support for the people especially the medical workers to fight against the coronavirus in the shortage of protective gear, many companies continue to provide innovative solutions for the production of medical protective materials, contributing to the fight against COVID-19.

New materials & technology brings new hope

Personal protective equipment (PPE) has been in short supply since early 2020. As more and more regions are resuming work and production, the demand for masks is exploding. In order to relieve the pressure of medical supplies shortage caused by the COVID-19, many enterprises have integrated their resources right away in response to the soaring market demand.

In view of the shortage of personal protective equipment, Elkem Spark Silicones recently developed a new generation of KN95 silicone mask with the latest technology and at the fastest speed. The silicone mask, also known as the non-powered air-purifying respirator, adopts the 5-layer KN95 filter design, which can effectively filter bacteria, droplets, dust and other substances in the air, with a filtering efficiency of more than 95%. The good sealing performance makes it fit better to the face, while the excellent flexibility and adjustable stretching silicone ear rope will not put pressure to the wearer's ear at all. The product is resistant to high temperature and will not be boiled out of shape. The mask can be reused by simply changing the filter.

In the fight against COVID-19, Stratasys 3D quickly completed the printing of high-fraction crystal structure and pulmonary infection case model. As a strategic partner of Stratasys in China, Mutilplus has been engaged in the epidemic prevention and control war as soon as possible. This 3D printing technology allows 3D reconstruction based on the CT data of the lung lesions 5 days after the diagnosis of the infected person, with the J750 Digital Anatomy printer which has 0.014mm accuracy and PolyJet materials, the shore hardness, transparency and color can be flexibly adjusted. Consequently, these models can replicate the feel, responsiveness, and biomechanics of actual human anatomy--pixel by pixel. Visual 3D printed models has proved to assist medical experts to analyze and deduce case entities more intuitively, and the rapidly produced and quickly delivered models assist with procedure validation, ultimately improving patient outcomes.

Excellent quality guarantees the safety of life

During the outbreak of the pandemic, the frequency of the use of respiratory equipment, monitors and other rescue equipment increased. To prevent bacterial cross-infection, medical equipment needs to be repeatedly cleaned and disinfected. However, repeated cleanings can cause environmental stress cracking (ESC) that can lead to part failure. SABIC’s LNP™ELCRES™CRX copolymers leverage unique copolymer technology to advance beyond the performance of existing materials used in healthcare devices and equipment. Not only do the new SABIC products demonstrate compatibility with the most aggressive disinfectants on the market—alcohols, peroxides and quaternary ammonium compounds—they also deliver good mechanical performance (impact and flow). Specifically, LNP™ELCRES™CRX grades show excellent property retention after exposure to PDI Healthcare’s Sani-Cloth® AF3 wipes and other aggressive healthcare cleaners, combined with excellent impact performance and mitigation of crack propagation.

The demand for protective masks according to FFp2 standard, protective covers, and other nonwoven-based products for both the medical and the hygiene sector is growing dramatically in the coronavirus crisis. Since conventional inspection systems for plastic films detect defects using black and white cameras, critical color defects such as oil spots cannot be classified correctly and maybe even missed altogether. To tackle this problem, ISRA VISION has now developed a solution that is unique on the market: The SMASH inspection systems have now been enhanced with a new embedded vision color camera and HDR technology that also detects the coloring of the material and any defects for the best possible classification. This is achieved by using fewer and smaller components to enable leaner systems and lower investment costs while aiding integration and simplifying maintenance.
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Mr. Riose Chen
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