Bag in the box packages

Figure 1 1. Flaws in original metallized PET films from which the bag in the "bag in the box" package is made.

Packaging applications where oriented films perform best utilize either PVDC coatings, laminations to aluminum foil, polyethylene or ionomer film, and/or metallized structures. Applications include pouch and vacuum brick coffee packages, soft cookies, bag-in the-box packages, and snack-food packages. ... 

In the last few years, a rapid expansion in the use of high gas barrier plastic structures for food packaging has taken place. These structures include multilayer films, trays, bottles and cups, "bag in the box" and "bag in the barrel" type packages and laminated cartons. 

Trays are used for different shelf stable products, including meals. The bottles are used primarily for ketchup (but other products are on their way) the cups are used for sauces, vegetables and soups while the "bag in the box" and the laminated cartons are used primarily for aseptically packed juices and concentrates. Aseptic packaging has been used in Europe for many years. In the USA, this kind of packaging has become one of the fastest growing areas since the Food and Drug Administration (FDA) approved the use of hydrogen peroxide for sterilization of the polyetheylene (PE) contact surface (1). 

In this paper a review of our previous work on the effect of PE contacting surface in laminated cartons and of different high barrier films (in "Bag in the Box" type packages) on the shelf-life of citrus juices and the effect of d-limonene absorption on the properties of sealant films will be shown. 

Innovation in the fabric softener business not only focused on compositions, but also on packaging. As an alternative to plastic bottles, heat-sealed flexible polyethylene pouches were introduced to the market in the early 1980s [7], followed by several other containers free-standing flexible pouches with a solid base, different bag in a box rigid units, and refill cartons coated with chemically resistant polymers. These novelties led to a 40% reduction in plastic bottle consumption, the use of more biodegradable, renewable, easily recycled material, and a decrease in the packaging and distribution cost. New bottles made of 100% post consumer recycled plastic sandwiched between two layers of virgin resin also became available [7],... 

Specialist low volume systems. Formulation supplied to end user in a ready to apply form - no dilution necessary. Nomix hand lance system. Packaging of bag in a box type. Main applications in the local authority/amenity sector. 

A process that somewhat bridges the gap between molded packaging and foam-in-place uses a fixture, rather than the actual product, to produce polyurethane cushions, encapsulated in polyethylene sheet, of the desired size and shape. As mentioned, foams can also be produced in bags rather than directly in the box, so that the product does not need to be surrounded by polyethylene. Polyurethane foams can be produced by extrusion methods, as well, but these are rarely used for packaging applications. 

Nylon films are used in lamination or coated form to ensure heat sealabiHty and enhance barrier properties. The largest uses are as thermoforming webs for twin-web processed meat and cheese packagiag under vacuum or in an inert atmosphere. Other uses include bags for red meat, boil-ia-bags, bag-in-box for wine, and as the outer protective layer for aluminum foil in cookie and vacuum coffee packages. 

Coffee vacuum-packed in flexible, bag-in-box packages has gained wide acceptance in Europe. The inner liner, usually a plastic-laminated foil, is formed into a hard brick shape during the vacuum process (30). In the United States, a printed multilaminated flexible stmcture is used to form the brick pack which is sold as is at retail. These types of packages provide a barrier to moisture and oxygen similar to that of a metal can. 

Packaged food containers are sometimes coated with PFCs (perfluorochemicals, the same stuff that s in Teflon) to prevent leaking. If you buy these, take the food out of the box and place it in glass or ceramic jars. Microwave popcorn often comes in PFC-coated bags. Stick to good old-fashioned do-it-yourself popcorn instead. 

To deposit cells (or tissues) at the repositories a frozen vial or a subconfluent culture in a 25 cm2 flask filled completely with growth medium is required. In the latter case the neck of the flask should be taped and the flask wrapped in pop-film in a polystyrene box or jiffy bag. The package should be kept at room temperature and delivered by the fastest route. Depositories require documentation before they will accept samples and the appropriate paperwork must be completed before the cells are despatched. 

In comparison, significant losses of a number of wine components must be expected when in contact with polyolefins because of the large K values for non-polar compounds. Packaging wine in polyolefin-coated containers, which for example is the case for bag-in-box packaging, does not appear to make sense. Quality decreases can occur not only by loss of the aroma but by the alteration of the aroma character due to different K values for different aroma compounds. The uptake (scalping) of non-polar compounds like limonene from fruit juices by polyolefins has been experimentally confirmed (Hirose et al., 1988 Mannheim et al., 1988). 

The objectives in the final stage of the total papermaking system are to improve the paper surface, to reduce rolls and sheets in size, to modify paper for special properties, such as coat or emboss, to convert to finished products, such as bags and corrugated boxes, and to package for shipping. 

---