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  • Diapers are hygiene absorbent products engineered to absorb and contain urine and faeces of a baby. When used they are set and fastened around its legs and bottom.
  • There are three types of diapers: reusable, biodegradable or otherwise recyclable, and disposable


  • An average diaper weighs between 45 and 50 g and is primarily made of pulp (fluff pulp), polypropylene, polyethylene, super absorbent polymer (SAP), as well as minor amounts of tapes, elastics and adhesive materials.
  • Disposable diapers have changed greatly during the past 30 years, but three basic design components are used in any diaper. A diaper consists of an absorbent core between a porous top-sheet and an impermeable back sheet. The top-sheet must do three things: it must allow the urine to flow through it, keep the liquid away from the baby’s skin, and retain the structural integrity of the absorbent core. Usually it is made of a porous, hydrophobic substance, for example, polyester or polypropylene non-woven fabric. The back sheet helps keep the baby’s clothing dry and is a nonporous, hydrophobic substance, such as a polyethylene film. The absorbent core takes in the liquid, distributes it to all regions of the core, and holds the liquid under pressure from the baby.


  • Recently a new diaper technology has been developed which uses the diaper topsheet (the part of the diaper that comes in contact with the infant’s skin) as a vehicle for the delivery onto the skin of a petroleum (Vaseline ) – based formulation. It has been shown that formulation effectively transfers to the diapered skin providing additional protection against moisture and irritants.


  • The world baby diaper was valued at $21 billion in 2004, up from $18.8 billion in 2000. The most significant growth has occurred during that period in Western Europe, up to $5.5 billion from under $4 billion in 2000, and Eastern Europe, which increased to $1 billion from $500 million four years ago.
  • Growth for baby diapers is considerably higher in other parts of the world, particularly in Asia but also in Latin America and Africa. The background is a higher birth rate and the fact that as living standards improve more disposable diapers are used.

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