Page 49 - November-December-2020

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48 49 High yarn q
Welcome to the
means of an integrated light barrier, resulting in actual tension being applied. (IDF 1 break draft 1.0).
perfect synchronisation between card and IDF. The The second diagram illustrates that IDF 2 and IDF 1
levelled loop permits high change speeds. This both have the same trend, i.e. that the yarn strength world of
ensures a higher efficiency at the card, especially decreases with increasing total draft. Compared to
when using small rotor cans. IDF 1, IDF 2 shows overall strength at a higher level.
This confirms the statement that the use of only one
drafting zone has a positive effect on the yarn Sustainability
properties.
Development of the IDF 2
The IDF 2 has been established on the market for
seven years. The advantages of the system are now
recognised by the entire professional community,
competitors and customers. Initially, the shortened ECOPRINT
process was only used with 100 percent cotton –
The first
preferably from the recycling sector – but today it is
compostable
The combination of Truetzschler cards with IDF 2 Biodegradability mutagens, or reproductive toxicants with plausible
gives customers an advantage, because they pigment The ecoprint range is biodegradably favoring the exposure routes.
produce a thin, stable web which is perfectly suited reduction of carbon footprints. The company has
to be drawn directly to the desired sliver count – at checked its ecoprint range using DIN EN ISO Meets VOC emissions requirements
highest production rates and lowest drafts. If cards printing 14855-1 standard. According to this Standard, The product meets the volatile organic compound
produce a heavier web, the use of low drafts is not plastic materials' ultimate aerobic biodegradability is (VOC) emissions testing requirements described in
possible at all, as, for example, from 12 ktex to 5 ktex determined under controlled composting conditions the Standard.
a draft of 2.4 is applied. system by measuring organic carbon's evolution to carbon Special Instructions
One versus two drafting zones – technological no longer limited to this. The system is successfully dioxide. The ecoprint range resulted in promising CHT's ecoprint is specially developed to reach an
results. The characterized products showed that 77
advantages applied in the processing of 100 percent raw cotton % of the total organic carbon was converted to outstanding biodegradability that was impossible to
In order to show the influence of the distribution of and other materials. It thus offers an answer to the carbon dioxide within six months. reach with a standard pigment print. Therefore, it is
drafts on main draft and break draft as opposed to requirements of our customers with regard to Ecoprint by CHT, a sustainable solution for your printing needs not possible to add a fixing agent to improve
only one draft zone, a yarn of 100 percent raw cotton increasing and necessary flexibility in the production A wide gamut of colors to choose from fastness. With the addition of any fixing agent, the
(Mato Grosso) with Ne27 was spun in the direct process. The CHT Group has launched the first compostable William McDonough, to product design. It aims to The ecoprint range includes nine colors to choose degradability is lost somehow. Hence, to achieve
spinning process with a card production of 170kg/h. pigment printing system. The novel developed create healthy and safe products for humans and the for your printing formulation. Therefore, the color optimal fastness levels, it is mandatory to follow the
With IDF 1, break drafts of 1.0, 1.05 and 1.16 with The handling of the IDF has also been improved. For system is an innovative compostable textile printing environment in all phases: production, use, and after gamut is complete, and the required shade matching fixing guidelines. Thus, CHT recommends that
different main drafts were combined. The IDF 2 was example, there is now a retention lock that prevents system which is a part of a 'Biodegradable Textiles' use. Within the C2C concept, products are could be performed easily. fixation at 160 °C for a minimum of 3 min should be
run with drafts of 1.2 to 1.95. The tests showed the the cover of the IDF from always having to be pilot project. The new Ecoprnt range is a water-based developed according to the principles of an ideal adopted for the best fastness.
trend across all parameters that IDF 2 with its 1-zone opened completely during the piecing process. printing paste that contributes to textile products circular economy. It is about eco-effectiveness and Recipe Calculation Program
drafting system has clear advantages over IDF 1. Similarly, the use of maintenance-free deep groove reaching the Cradle to Cradle® Platinum standard. goes beyond conventional sustainability tools and The CHT Group has also provided a recipe CHT's Commitment to Sustainability
ball bearings entirely eliminates the need for approaches, which primarily show humans' negative calculation program for a straightforward calculation The CHT Group has significant experience and
The first diagram shows the influence on yarn relubrication at the delivery rollers: The number of Within this range, the pigments and auxiliaries have a influence on the environment. The C2C also follows of the print recipe based on single components and in-depth knowledge of all processes along the
evenness for a total draft of 1.7. There is clear lubrication points is thus reduced to four. The Platinum Material Health Certificate from the Cradle the Triple Top Line as its basic approach, and its needed auxiliaries. complete textile value chain. As an innovative partner
evidence that the break draft in the IDF has a to Cradle Products Innovation Institute with the implementation creates equal economic, social, and of the textile industry, we are working continuously on
negative influence on yarn parameters. It is self-adjusting lap monitoring of the top rollers, certification number 4323 (ecoprint by CHT). ecological benefits. Material Health optimization strategy the ideas and solutions of tomorrow, especially
noteworthy that for all quality parameters, the already known from the draw frames, has now also The CHT has planned and developed to phase out x solutions for a beneficial environmental impact.
presence of the first drafting zone in the IDF 1 alone found its way to the IDF. There is no need to readjust What is Cradle to Cradle® Platinum Standard? The ecoprint range by CHT offers various benefits assessed chemicals and assess GREY content.
has a negative effect on the results, without any after grinding intervals and changed settings. Cradle to Cradle® (C2C) is a systemic approach, over conventional printing pastes. The primary The CHT Group also Ensures long term sustainable
developed by Professor Michael Braungart and advantages include: No exposure from toxicants prosperity, which aligns with the United Nations
Assessed materials do not contain carcinogens, Sustainable Development Goals (UNSDG).
November/December 2020 November/December 2020