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The novel coronavirus pneumonia epidemic continues to spread, and various anti-epidemic products such as masks, gloves, shoe covers, etc.
have become essential daily "equipment" for the whole people
.
The non-woven material required for the production of masks is made of polypropylene (PP) fiber material, while disposable gloves such as PE gloves are made of polyethylene blown film
.
Polypropylene PP fiber
Disposable PE gloves
In this regard, Shenzhen Guanghua Weiye Co.
, Ltd.
(eSUN for short), a green-themed company dedicated to the industrialization of environmentally friendly biomaterials, said its products could provide environmentally friendly solutions
.
The company's polycaprolactone (Polycaprolactone, PCL, CAS No.
: 24980-41-4), also known as polyε-caprolactone, is a high-density polymer obtained by ring-opening polymerization of ε-caprolactone monomer catalyzed by a catalyst.
Molecular organic polymer, the molecular formula is (C6H10O2)n, and different molecular weights can be obtained by controlling the polymerization conditions
.
The appearance of this PCL is similar to that of polyolefin materials, the initial shape is white particles, waxy texture, good flexibility, strong plasticity, and good shape memory temperature control properties make PCL suitable for extrusion, injection molding, wire drawing, film blowing and other processes
.
In addition, the mechanical properties of PCL are also similar to those of polyolefins, and its unique structural characteristics enable it to be copolymerized and blended with many polymers.
It is in a soft glass state at room temperature, and the decomposition temperature is 350 °C
.
According to the company, according to its polycaprolactone (PCL) properties, it can completely replace the polypropylene (PP) fiber of the non-woven fabric required for disposable masks, or the film in PE gloves to make polyethylene (PE) as a raw material use
.
eSUN polycaprolactone (PCL) material can now be used in the medical sheet industry.
Its safety, non-toxicity and skin-friendly properties are enough to show that this product is very suitable for the manufacture of masks, gloves and other epidemic protection products
.
Its mechanical properties are good, the tensile strength is above 30MPa, and the elongation at break is above 500%.
At the same time, PCL is also a fatty polyester resin, which has good compatibility with conventional biodegradable materials, such as PLA, PVA,
etc.
PCL itself can be used as a hot melt adhesive material, and it is also very suitable for the multi-layer bonding process of non-woven fabrics
.
In addition to this [polycaprolactone (PCL)] which can be used as a raw material for the production of anti-epidemic products such as disposable masks and disposable gloves, eSUN also launched [polylactic acid (PLA)] anti-epidemic products - [special for protective shoe covers] Biodegradable heat shrinkable film]
.
This product is suitable for all kinds of automatic shoe cover machine (shoe film machine)
.
Using the principle of shrinking the heat shrinkable film at an appropriate temperature, it only takes three seconds to make the [biodegradable heat shrinkable film for protective shoe covers] into shoe covers, wrap the shoes, anti-bacteria and anti-wear, and the new shoe covers are durable and comfortable sex
.
