- Equipment Manufacturing 44
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Most Plastic bags are made from polyethylene - more commonly known as polythene, which is made from crude oil and natural gas, non-renewable resources. The most common way to produce polythene bags is by blown film extrusion, also called the "film blowing". It was followed by subsequent processes namely cutting, sealing, printing, quality checking (QC), and packing.
Generally, the reason for adding inorganic particles into polymers is to improve its mechanical properties such as the tensile strength, modulus or stiffness via reinforcement mechanisms described by theories for nanocomposites. Polymers such as Nylon-6, polypropylene, and LDPE when mixed with appropriate percentage of nanoparticles as filler materials show significant improvements in tensile strength.
Nylon bags are used for containing and transporting goods such as foods, powders, ice, magazines, chemicals, and waste.
Increase about 15% in tensile strength of plastic bag containing nanoparticles
Polymers can be made stronger and stiffer by the incorporation of various additives. Most of these modifications are made by the addition of inorganic fillers to the polymer. These fillers, present in varying degrees, also affect the basic mechanical properties of the polymer.
The addition of nanoparticles, in epoxy is for purposes of processing ability and mechanical properties. Fillers can improve tribological properties of polymers. Two major of the fillers that is used to reinforce polymers is SiO2, Al2O3 and ZnO. Because of their rigidity and high stability, nano sized silica and alumina powders have widely been used to improve properties of polymer matrix composite materials.
Provisional NanoScale Certification
Standard Date : 2017/07/24
Expire Date : 2018/07/23