Speciale inkten
Samenstelling:
- Pigmenten
o = kleurstof van de inkt
Aandeel pigment bepaalt dekking
Pigmenten worden gewonnen uit mineralen,
planten, dieren of synthetisch gemaakt
10 – 25%
- Bindmiddelen
o = ‘drager’ van het pigment
Kunstharsen of plantaardige oliën
inkten op basis van plantaardige oliën = bio-inkten
(Bvb.: boomhars, lijnolie, sojaolie)
50 – 70%
Viscositeit = stroperigheid
• Lage viscositeit: bvb. Water
• Hoge viscositeit: bvb. Honing
- Toevoegingen
o geven inkt bepaalde eigenschappen zoals gladheid, slijtvastheid, droging…
o Bvb.: was, oplosmiddelen en verdunningsmiddelen
Scratch-off inkt
Wat?
- Inkt afkrassen met munt of vingernagel
- Meest voorkomend: loterij ticket
- Kleurgamma: zilver, goud (dekkende kleuren)
Opmerking
- Substraat ondergrond: gestreken
o Ondergrond: meestal offset (digitaal toont sneller door)
o Hoge dekkracht, dikke inktlaag (zwaar gramgewicht) d.m.v. zeefdruk
o Doorzicht beperken door:
Zwaarder gramgewicht drukdrager
Bedrukking beeld met weinig contrast
Extra: bedrukking van de achterzijde
o Steeds vernis op het drukwerk en daarna scratch-off inkt, om het onderliggend beeld te beschermen
Roel Ottoy CMO3-C 1
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller roelottoy. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $3.25. You're not tied to anything after your purchase.