As a manufacturer of water soluble laundry bag for infection control, I would like to share the good product and process for fighting the covid-19.
Now quite a few big international hotel chains and medical institutions has started to use water soluble bag to collect the linens in hotels, e.g. CONRAD HOTELS in Hong Kong and SHANGRI-LA in China and the Middle East.
Advantages of water-soluble laundry bag for hotels and medical institutions.
(1) The possible infected contents of the laundry bag does not need to be handled by staff until the wash and drying cycles are completed.
(2) The bags will dissolve completely in water during the washing process. They leave no potentially infected waste and do not pollute the water.
(3) The bags ensure the safe transport of contaminated material or instruments for staff in hospitals. Once the linens/instruments are sealed in the bags, the risk of contamination and infection is minimized.
(4) Water-soluble bags are anti-static, non-toxic, and fully biodegradable. Tests have verified that the bags are impermeable to bacteria and virus.
(5) Water-Soluble Laundry bags have excellent gas barrier properties.
While society is consistently developing and progressing, people are paying more and more attention to the issue of environmental protection. China equally has the same needs for environmental-friendly packing as other foreign countries, therefore the domestic water-soluble film market is now emerging. According to the research, packing films account for 20% of the output of plastic products every year, amounting to about 309,000 tons. Because of its feature of environmental protection, water-soluble films are widely valued by developed countries around the world. For example, Japan, the United States and France have already mass-produced and sold these products.
At present, the water-soluble film is mainly produced by the wet method, in which polyvinyl alcohol raw materials are dissolved in water and then mixed into a paste and coated on the surface of the equipment mold by drying into a film, this kind of method has disadvantages such as high energy consumption, low efficiency, narrow application range, high cost and poor economic benefits. The current blown film equipment will transform the P-PVA by thermoplastic processing directly into the film, commonly known as the dry method. This method produces water-soluble films with advantages like low energy consumption, high efficiency, wide application range, low cost and significant economic benefits, in other words, the water-soluble film is a very promising new material. According to the market demand for water-soluble films used for polyvinyl alcohol packing, there are three types as follows:
Quick soluble type (XQ-S series) resin
Which is prepared by the method of modification with polyvinyl alcohol (PVA) with alcohol solubility ≤ 88 and polymerization degree ≤ 2600. After the film is formed, it is put into the corresponding temperature water together with the packaged goods and dissolves quickly.
Slow dissolution type (XQ-H series) resin
Makes the water solubility slow down after film formation by mediating the alcohol solubility and polymerization degree, and the water solubility temperature increases appropriately so that the application range of this product can be further expanded.
High-temperature water-soluble resin (XQ-G series)
Which can be dissolved in water at a temperature greater than 55℃ after film formation by adjusting the processing method, is insoluble in water at room temperature. This product can avoid moisture absorption or swelling when used in normal temperatures and humid environments, and can be applied in more packaging fields.
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