Wrinkle resistant bed sheets made on Monforts MXL

Wrinkle resistant bed sheets made on Monforts MXL

Differentiation from competition is a practicable solution to offer unique products on the market. Monforts MXK (moist crosslinking) offers this possibility to its customers for instance by manufacturing wrinkle-resisting bed sheets and thus requiring only limited ironing, a fact well received by end consumers

According to Peter Tolksdorf, Monforts head of Product Management for Dyeing and Application states: Since manufacturers who wish to differentiate with easy care products in a very competitive market, will opt for German Monforts MXL range and thus we are having impressive success in selling this range and particularly in India.

Tolksdorf_04Technically, crosslinking involves the resin finishing of cellulose material, usually cotton, to significantly reduce a fabric’s propensity to wrinkling. Upon application, the reactive resins penetrate in to the fabric and catalyse the fibres during heating and curing. It creates a dry dimensional structure which in a sense has a degree of shape memory and even if wrinkled, it will regain its original form and Tolksdorf adds: “It is also possible to achieve exactly the opposite of this, and provide products with permanent creases, e.g. in trousers”.

 

Conventional moist crosslinking is somewhat different because it requires the application of chemicals at low temperature at around 80°C to protect and support the reaction at low temperature and it will then be dried down to defined residual moisture. Afterwards the fabrics have to go through a 24-hour batch curing process. All of this means lengthy process time and a limited opportunity for variation in the treatment of fabric. Also the temperature band is very narrow for optimising parameters which adds an element of risk and the fabric must be thoroughly washed off afterwards.

With the MXL process the complete process and drying are carried out simultaneously at higher temperature of 100°C and relative humidity of 30 %.

It is obvious that Monforts MXL process differs significantly from both conventional dry crosslinking methods and other technologies of moist crossslinking, thus providing a number of benefits, such as vast reduction in processing times from twenty hours to just three minutes, greater flexibility and increased safety and much lesser risk since the residual moisture is consistent from start to finish and control and consistence is achieved with the unit’s measurement system. Thus the entire process becomes extremely precise and reproducibility is guaranteed. To provide supplemental product differentiation treatment with aromatic and wellness is possible.

With dry crosslinking, the fabric is opened in the stenter and all chemicals are applied by padder, the fabric is then dried in the stenter and cured and this can be appropriate for 90 % of cotton products, but the resulting fabrics are not entirely wrinkle-free. The results vary significantly depending on the cotton quality, states Tolksdorf.

www.monforts.de


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