flexible packaging

September 2015 ∙ Issue 03
FLEXIBLE PACKAGING
News for Flexible Packaging ∙ EMEA Edition
FEELGOOD
LAQUERS
You normally associate an ink supplier
with standard printing inks and lacquers.
Siegwerk's portfolio however also includes
special effect lacquers and inks – visual
effects, such as matt and glossy surfaces,
Please get in touch if
you have any questions:
pearlescent, silver or gold, are designed to
attract potential consumers to products
info@siegwerk.com
in-store. If, however, they then pick the
product up, it all depends on how the
packaging "feels to the first touch". This is
where tactile lacquers show their strengths.
Ink always adds color! However you can
that's when the bigger picture adds up. The
Tactile effects can be achieved on a wide
appeal to other senses – by using the right
hands corroborate what the eyes perceive
range of packaging structures using spe-
lacquer you can, for example, get a pota-
and the potential buyer obtains a harmo-
cial lacquers, but not all substrates and
to chips pouch made of a film to look like
nious and therefore appealing impression,
applications are equally suitable for use in
a rustling paper pouch, which conveys a
which stimulates their imagination.
combination with these special lacquers.
Siegwerk's experts can provide detailed ad-
more environmentally compatible, more
natural or sustainable impression – and
Such promotional activities can be factored
vice and in-depth solutions on this topic to
therefore automatically enhances the prod-
into the redesign of packaging or into new
enable packaging print shops to give their
uct. Siegwerk enables customers and man-
projects. Siegwerk helps customers and
customers the best options for a successful
ufacturers of branded products to benefit
brand owners to make packaging come
product showcase.
from this artifice.
alive both visually and tangibly. There are
stance if we take cosmetics, manufacturers
facturers that are on the lookout for new
value the association with softness, which
opportunities to increase brand awareness
for example is stimulated by the velvety
BENEFITS AT A GLANCE:
of their products at the Point of Sale, so too
feel of soft-touch lacquer. This lacquer is
•Enhance content using
are retailers. Here too tactile lacquers can
not only particularly suitable for exclusive
visual and tactile effects
do more than just provide visual enhance-
but also for everyday products, which can
•Highlight the properties
ment. In sensory perception terms they can
be associated with a pleasant sensation on
match the packaging to the content and
the skin. Rubbery lacquers can for example
•Add extra functionality
thus generate a keen sense of anticipation.
be practical when used in conjunction with
•Arouse a sense of anticipation
When your fingers touch a bottle label
folding carton boxes – they can increase the
•Support decision-making
that feels like sand straight from the beach
grip of the product and therefore provide
and the bottle contains an exotic cocktail,
an additional benefit.
of a product
at Point of Sale
Siegwerk Druckfarben AG & Co. KGaA ∙ Alfred-Keller-Str. 55 ∙ 53721 Siegburg ∙ Germany ∙ Phone: +49 (0) 2241 304-0 ∙ info@siegwerk.com ∙ www.siegwerk.com
© 2015 Siegwerk Corporate Communications
plenty of tactile effect applications: for inBut it's not only branded products manu-
FLEXIBLE PACKAGING
News for Flexible Packaging ∙ EMEA Edition
SYSTEMATIC INTRODUCTION
OF NEW RAW MATERIALS
Siegwerk is familiar with the legal foundations and with the requirements of brand owners
as far as the introduction of new raw materials for packaging inks is concerned.
Any company that manufactures premium
This raw material introduction process
products or produces premium foods at-
excludes the adoption of unwanted sub-
taches importance to appealing and above
stances from the outset, which are e.g.
all safe packaging, because product safety
carcinogenic, mutagenic, reprotoxic or
has become a priority during the last few
toxic. Criteria for the approval of raw ma-
years. Siegwerk knows the global legal and
terials are among others compliance with
regulatory foundations on the one hand
defined purity standards, comprehensive
and the specific requirements of customers
knowledge of the raw material's chem-
and brand owners on the other. This know-
ical composition and possible impurities
how is based on close global cooperation
as well as adherence to national chemical
with companies, such as Nestlé, on all rele-
registers.
ch if
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vant product safety issues.
It is formulating chemists working in R&D
Siegwerk's raw material introduction pro-
that benefit above all from this work. Based
cess warrants a careful selection of all
on a traffic-light system – the 'Global For-
raw materials used. The stringent criteria
mulation Guideline' – Siegwerk makes rec-
applied in our raw material introduction
ommendations about certain raw materials
process therefore guarantee the safety
to colleagues around the world, who are ul-
of our products. Siegwerk's raw material
timately responsible for developing printing
These processes guarantee the safety of
introduction process is implemented glob-
inks. This ensures that our packaging inks
our printing inks and enable the customer
ally, although raw material approvals are is-
only include raw materials that have been
to manufacture a finished product that
sued centrally by our Global HSE + Sustain-
thoroughly checked beforehand.
meets the legal requirements.
ability product safety department.
1
SAMPLE
REQUEST
2
LAB
TESTS
3
GLOBAL HSE
APPROVAL
4
BUSINESS
APPROVAL
5
NEW RAW
MATERIAL
DEVELOPMENT OF
PRINTING INKS
Siegwerk Druckfarben AG & Co. KGaA ∙ Alfred-Keller-Str. 55 ∙ 53721 Siegburg ∙ Germany ∙ Phone: +49 (0) 2241 304-0 ∙ info@siegwerk.com ∙ www.siegwerk.com
© 2015 Siegwerk Corporate Communications
RAW MATERIALS INTRODUCTION PROCESS
FLEXIBLE PACKAGING
News for Flexible Packaging ∙ EMEA Edition
SOLVING PROBLEMS PART 3: BLOCKING
If ink sticks to the reverse side of any
film, this can lead to damage when the
printed roll of material is unwound.
This blocking can have various different causes. If for instance ink adhesion has been enhanced to deliver
optimum anti-friction properties, that
can reinforce this blocking propensity.
Therefore it is all the more important to control other variables to avoid
blocking.
With
error
FLEXO AND GRAVURE PRINTING: CAUSES AND REMEDIES
CAUSES
REMEDIES
There is too much
retarder in the ink.
Use faster-drying ink.
The temperature of
the film on the winding
facility is too high.
Lower the temperature of the dryer and
check whether the cooling roller is working.
Film pre-treatment
quality standard is
too low.
Check pre-treatment and age of films.
Use the inline corona treatment method.
Ink dries too slowly.
Increase dryer output. Use a faster-drying
solvent. Decrease print speed.
Ink viscosity
is too high.
Decrease ink viscosity
by adding solvents.
Cooling function
does not work.
Get in touch with Maintenance Service
to get printing press repaired.
Winding tension on
the winding facility
is too high.
Reduce winding tension.
Wound web
is too moist.
Increase dryer output
and reduce cooling.
Signs of coating
or pre-treatment
feature on both
sides of the film.
Check whether the right ink system
or right film has been used. In the event
of unwanted reverse-side pre-treatment,
have the pre-treatment device in the
printing press checked if necessary.
The volume of ink
transferred is too high.
Without
FLEXO-PRINT-SPECIFIC:
Choose anilox rollers with lower
transferred volumes.
GRAVURE-PRINT-SPECIFIC:
Choose gravure print cylinders
with lower ink volumes.
error
DON'T BE AFRAID OF SWITCHING INK SYSTEMS
YOUR BENEFITS:
• High productivity
An imminent ink system changeover is of-
has been determined, the next stage is de-
ten a reason to be nervous: print shops
tailed planning of the ink system change-
all the benefits of your
fear disruption to their production during
over. At this point in time Siegwerk final-
new printing inks
any switch. Siegwerk takes precautionary
izes what inks are to be used and adapt
•Reliable and accurate
action and therefore provides advice and
formulas. We provide on-site launch sup-
formulas for new inks
support to customers from the outset. As
port for your new ink systems and mentor
• Excellent waste management
a first step we examine the technical per-
the changeover process. This enables us to
• Experienced on-site service
formance of existing inks in the labora-
guarantee high productivity and immedi-
tory, printing press and in the packaging
ate utilization of all the benefits of the new
process. Once the pre-switch situation
printing inks.
Why not get
in touch; we
would
be delighted
to help you la
unch
your new ink
systems hassl
e-free
Siegwerk Druckfarben AG & Co. KGaA ∙ Alfred-Keller-Str. 55 ∙ 53721 Siegburg ∙ Germany ∙ Phone: +49 (0) 2241 304-0 ∙ info@siegwerk.com ∙ www.siegwerk.com
© 2015 Siegwerk Corporate Communications
•Immediate utilization of