Polymer Materials for Packaging Application

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Packaging, whether flexible or rigid, can affect people's life daily in many ways. The main goal of packaging is to protect the contents from damage and leaking so that they can be distributed safely from one place to another at some given time. No matter for food distribution, pharmaceutical packaging, cosmetics, home-care materials, and many other essential products in modern life, all need appropriate packaging, and polymers, or plastics very often provide the optimal solution and have been widely used on a daily basis. Whether you use it for research or manufacturing, BOC Sciences can provide a wide variety of polymer and monomer products, as well as tailored synthesis services to support your packaging needs.

Main Characteristics of Polymer Materials in Packaging

Polymer Materials Mainly Used in Packaging

As packaging is made, various plastics are commonly used and the properties mentioned above enable many different packaging choices, including size, shape, color, weight, hardness, protection, and so on. A polymer refers to a compound with a very large molecular weight, and the molecules are bonded together by structural units or monomers by covalent bonds, e.g., many synthetic polymer materials used as plastics and resins. Some of the most common polymers used for packaging include:

PolymerCharacteristics Application for Packaging
Low density polyethylene (LDPE)Translucent or opaque, quite flexible and tough, good solvent resistancePlastic wraps, clear plastic bags, trays and general-purpose containers
High density polyethylene(HDPE)Recyclability, high strength-to-density ratio, harder and opaquer than LDPE, good solvent resistanceHouse wrap, water bottles, bottle crates, blown-film shopping bags with handles, HDPE jerrycans
Linear low-density polyethylene (LLDPE)Unique melt flow properties, higher strength, better toughness and stronger rigidity than LDPEFilm, plastic bags, plastic wrap, stretch wrap
Polypropylene (PP)High chemical stability, good hygienic performance, high heat resistance, non-toxicMicrowave tableware, plastic bucket, thermos shell, woven bag
Polystyrene (PS)High transparency, shiny surface, non-toxic. versatility (can be rigid or foamed), excellent moisture barrier for short shelf-life productsDisposable food containers; meat and poultry containers, and rigid food containers; food service applications: cups, plates, bowls, and cutlery; egg cartons; aspirin bottles
Polyvinyl chloride (PVC)Soluble in organic solvents such as THF and DMSO, good acid and alkali resistance.Rigid packaging applications: blister packs and clamshells; clear food packaging like plastic wraps, films and bags; medical tubing; shampoo bottles
Polyethylene terephthalate (PET)Good transparency, durability, good chemical stability, non-toxicSoft drink bottles, medicine bottles, cosmetic bottles, oil bottles and various bottle caps, insulation caps
Ethylene vinyl acetate (EVA)Excellent clarity and gloss with little odor, good water resistance, corrosion resistance, easy processing, thermal insulation, non-toxicEVA copolymers are used as adhesives in packaging; EVA films or bags to pack rubber additives or wax
Ethylene vinyl alcohol (EVOH)Exceptional gas barrier properties, recyclability and environmentally safe; high resistance to hydrocarbon fuels, mineral oils and many organic solventsEVOH material is particularly suited for packaging food, drugs, cosmetics, and other perishable products to extend their shelf life; plastic fuel tanks, chemical packaging and agricultural films
Polyvinyl alcohol (PVA)Extreme hydrophilicity, high resistance to hydrocarbons, mineral oils, and many organic solvents, non-toxicPVA film is a cold and hot water-soluble film for diverse packaging applications including food products, detergents, pharmaceuticals and agricultural chemicals.
Polylactic acid (PLA)Transparent, biodegradability and recyclability, low impact capacity and brittle, Alcohol and water resistantDisposable tableware i.e., cups for cold beverages, carry-out containers, eating utensils; deli containers; fruit and vegetable trays; packaging for refrigeration and deep freezing

Whether you are sourcing the right raw material, overcoming manufacturing hurdles, or matching product properties to end-market needs, BOC Sciences with seasoned experts can help you from upstream lines to meet your unique requirements of academia and industry. We can help you arrive at an optimal solution to improve your research projects and manufacturing process.

For more detailed polymer or monomer information, please directly contact us.

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