Innovative wet processing finishing system for garments

Wet processing, which improves dimensional stability, hand feel and garment appearance, is a significant procedure in knitwear production. The Hong Kong Research Institute of Textiles and Apparel and Hong Kong Productivity Council have joined hands to conduct a research on development of an Innovative Finishing System for Wet Processing of Garments and Accessories which keeps movement and agitation of the substrate under a controlled mode to minimise disturbance of the substrate conditions.

The project is now completed and a machine prototype has been developed for further commercialization. Mr M L Chueng, the key consultant of the machine development programme, spoke about its application, function and advantages, which includes; availability of computer controlled water discharge, rotating speed and temperature change, improvement in quality control due to computerized washing formula.



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Indian denim has become more competitive – Mr Shah, Arvind Ltd

The denim sector in India witnessed a very depressing period in the last few quarters, but with news of a few European economies and Japan reporting an economic growth in the second quarter of 2009, this very important sub-sector has reason to be euphoric.

Denim, as a product is the single largest contributor by value from across all exports made from India and since the unfolding of the economic crisis, this very important category had reported a steep drop in shipments.

The biggest denim manufacturer in India, the Ahmedabad based Arvind Ltd, which has a capacity of 7.5 million meters per month is reporting of an increase in order book positions and have a good amount of orders in hand.

Mr Jayesh Shah, Chief Financial Officer and Director of Arvind Ltd who spoke to Fibre2fashion said that, “The denim demand globally has not increased in recent past, however, Indian companies, supported by depreciation of rupee, have become more competitive and are able get orders from customers who hitherto were buying from countries like Turkey, Mexico, China etc”.




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Merino skirtings fares better than fleece types this week

The Australian wool market finished 1.3% lower, on average, at sales in Sydney, Melbourne and Fremantle this week. The AWEX EMI fell by 11¢ (-1.3%), ending the week at 812¢/kg. This reflected falls of 11¢ (-1.3%) in the North and 14¢ ( 1.7%) in the South, with their corresponding Regional Indicators finishing the week at 834¢ and 792¢ clean, respectively. The Western Indicator fell by 8¢ (-1.0%), finishing the week at 797¢.

In a two day sale in Sydney and Melbourne, the AWEX EMI fell by 6¢ on Tuesday and by 5¢ on Wednesday. The Western Indicator fell by 8¢ on Wednesday in a one day sale in Fremantle.

38,750 bales were on offer, compared with 33,208 bales last week, of which 13.3% were passed in, comprised of 7.7% in Sydney, 13.6% in Melbourne and 23.6% in Fremantle. Pass-in rates for Merino fleece and skirtings were 16.8% and 5.3%, respectively. 1,261 bales (3.2%) from the expected offering of 40,011 bales were withdrawn prior to sale and re-offered bales made up 12.9% of the final offering. 33,582 bales were cleared to the trade.

The New Zealand Merino Company also offered 1,477 bales in Melbourne on Wednesday of which 25.3% were passed in. 30 bales (2.0%) were withdrawn prior to sale and 3.9% of the bales were re-offers.

The US exchange rate (source RBA) was 0.83¢ higher on Monday when compared with Thursday of last week. It was then down by 0.41¢ on Tuesday and up by 0.18¢ on Wednesday to close at 83.69¢, up 0.60¢ (+0.7%) since the last sale. The exchange rate against the Euro rose by 0.09 Euro cents (+0.2%) to close at 58.46 Euro cents on Wednesday night. When looked at in other currencies, the AWEX EMI moved down by 4¢ (-0.6%) in US terms and by 5¢ (-1.0%) in Euro terms when compared with the previous sale.

This week saw a slight correction in the market in Australian, US and Euro currencies after the EMI had gained 49¢ (Australian) and 31¢ (US) over the previous two weeks. Although the market was down, strong competition saw it finish on a strong note, with prices generally moving up after earlier falls. Growers were reluctant to sell their fleece wool on this market resulting in 16.8% pass-in rate.




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Researchers develop textile load limiter for child seat belt systems

David Gallegos and Paco Liesa, researchers with the UPC Applus+ Automobile Safety Chair, have developed a textile load limiter for child seat belt systems, produced in accordance with the Isofix safety standard. The system absorbs part of the energy produced in a frontal collision, which reduces the risk of serious injury to the child, particularly in the chest area and neck.

The aim of the research project was to create a textile device that, when incorporated into the upper part of an existing seat belt system, would reduce by 50% the time during which the child is subjected to strong forces in the event of a frontal impact. The device reduces the acceleration produced in the same way as a load limiter installed in a standard seat belt system for adults.

The textile device consists of a series of folds sown into the upper part of the harness, which is the area that transmits the force of an impact to the anchoring points of the vehicle.

The decisive step in the design of new child retention systems was the development of a mechanism for extending the harness without increasing the risk of the child coming into contact with structural elements of the vehicle. Despite its comparatively simple appearance, this new innovation is the product of a complex series of static and dynamic tests and electron microscopic analyses. The system is cheap to install, does not require additional components to be connected to the existing seat belt system, and does not affect the installation of a child seat or the way in which the child must be positioned.

Although systems of this type are widely available, 18% of child passengers in Barcelona and its area of influence do not travel with any type of child seat belt mechanism fitted. When three or more children are travelling in the same vehicle, this figure increases to 45%.




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Thin films of silk produce & combine with metallic particles

Using thin films of silk as templates, researchers have incorporated inorganic nanoparticles that join with the silk to form strong and flexible composite structures that have unusual optical and mechanical properties. This bio-enabled, surface-mediated approach mimics the growth and assembly processes of natural materials, taking advantage of the ability of biomolecules to chemically reduce metal ions to produce nanoparticles—without harsh processing conditions.

Less than 100 nanometers thick, silk-silver nanoparticle composite films formed in this process can be used as flexible mirrors. The technique could also be used to create films that reflect light in specific wavelengths, anti-microbial coatings, thin film sensors, self-cleaning coatings, catalytic materials and potentially even flexible photovoltaic cells.

“We are taking advantage of biological molecules that have the ability to bind metallic ions of silver or gold from solution,” said Vladimir Tsukruk, a professor in the Georgia Tech School of Materials Science and Engineering. “These molecules can create mono-dispersed metallic nanoparticles of consistent sizes under ambient conditions—at room temperature and in a water-based environment without high vacuum or high temperatures.”

Sponsored by the Air Force Office of Scientific Research and the Air Force Research Laboratory, the research was described August 19 at the Fall 2009 National Meeting of the American Chemical Society.



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Textile sector clamours for safeguard measures

The government of Indonesia is contemplating setting up of safeguard measures in order to protect domestic industries from the impact of the Free Trade Agreements (FTA’s) signed between the countries of the ASEAN and China and the one also signed with India.

Domestic manufacturers are demanding setting up of safeguard measures, particularly from the textiles sector which expects an influx of cheaply priced textiles and apparels from China and India, after the FTA with each of the countries comes in to effect.

Ansari Bukhari, Director General for metal, machinery, textile and miscellaneous industries in the Industry Ministry, said that, “There will be an issue, when protection in the form of tariffs will no longer be effective, whether because of an FTA involving ASEAN or otherwise”.

He said, “Safeguards could be imposed if there was evidence that a surge in imports of particular goods had led to loss of business for a domestic manufacturer and in such a case an investigation and time for the safeguard to take effect should now take no more than three months”.



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