[SM3] Fwd: Rainer - need definitions of two JDF coating types ASAP

[SM3] Fwd: Rainer - need definitions of two JDF coating types ASAP

[SM3] Fwd: Rainer - need definitions of two JDF coating types ASAP

Ira McDonald blueroofmusic at gmail.com
Thu Oct 23 14:32:58 UTC 2014


Hi,

See good detailed response from Jim Mekis below, as well as Rainer's reply
already sent to SM3 and IPP mailing lists.

Cheers,
- Ira

Ira McDonald (Musician / Software Architect)
Co-Chair - TCG Trusted Mobility Solutions WG
Chair - Linux Foundation Open Printing WG
Secretary - IEEE-ISTO Printer Working Group
Co-Chair - IEEE-ISTO PWG Internet Printing Protocol WG
IETF Designated Expert - IPP & Printer MIB
Blue Roof Music / High North Inc
http://sites.google.com/site/blueroofmusic
http://sites.google.com/site/highnorthinc
mailto: blueroofmusic at gmail.com
Winter  579 Park Place  Saline, MI  48176  734-944-0094
Summer  PO Box 221  Grand Marais, MI 49839  906-494-2434


---------- Forwarded message ----------
From: James Mekis <jmekis at mekis.net>
Date: Thu, Oct 23, 2014 at 2:08 AM
Subject: Re: Rainer - need definitions of two JDF coating types ASAP
To: blueroofmusic at gmail.com, Rainer Prosi <Rainer.Prosi at heidelberg.com>


Ira & Rainer -

I am not a coatings expert, but here is a short coatings description based
on my experience. (I am presuming that "Finishings 2.0" is focused on
post-press operations):

The coatings listed in JDF's ColorIntent Resource Table can be applied
either inline or offline.  Offline coatings (finishing) are typically
intended to be protective.  They can increase water-resistance,
scuff-resistance, and even food resistance in the case of restaurant menus.
They have been used for decades to protect offset printed sheets, and usage
has increased with the desire to protect digitally printed sheets,
especially photo images.  Like varnish, they come in gloss & dull variants.

The most commonly coating types requested by customers today are UV coatings
(Ultra Violet cured polymers) which provide higher durability, and aqueous
coatings that are viewed as "greener" and typically more easily recycled at
end-of-life. Both types of overall coating protect the printed image as well
as the substrate.  They also may be applied over foil embossed surfaces in
some instances.

Customers may also specify the performance characteristic they desire in the
coating rather than specifying a coating type.  Common examples are
water-resistance, and rub-resistance.  Both characteristics may be required
at the same time.  An example is in the wine industry, where the white wine
label has to survive transport rubbing, followed by water and rubbing ice
cubes in a bucket upon serving.

Does this help?

 - Jim


== ==
Rainer Prosi wrote:

> Hi Jim
> I believe that the definitions were drafted during the printtalk
discussions.
> Could you please help Ira out.
> Thanks
> Rainer
>
>
>
>
>
> -------- Original message --------
> From: Ira McDonald <blueroofmusic at gmail.com>
> Date: 20/10/2014 23:48 (GMT+01:00)
> To: ipp at pwg.org,"Semantic Model 3.0 Workgroup discussion list"
> <sm3 at pwg.org>,"Prosi, Rainer PT-RD3" <Rainer.Prosi at heidelberg.com>,Rick
> Yardumian <RYardumian at ciis.canon.com>,Ira McDonald <
blueroofmusic at gmail.com>
> Subject: Rainer - need definitions of two JDF coating types ASAP
>
>
> Hi,
>
> In our review of PWG Last Call comments today on Finishings 2.0,
> I got the following action item that I'm passing on to you Rainer:
>
> "Action: Ira to ask Rick and Rainer about JDF coating types: "Aqueous"
> and "Protective"
>
> They are not defined in JDF (as far as Mike Sweet could find) and we
> can't add a keyword to a PWG spec without a clear definition.
>
> Cheers,
> - Ira
>
> PS - A reply by the next JDFMAP call next Monday 27 October would
> be much appreciated - thanks.
>
>
> Ira McDonald (Musician / Software Architect)
> Co-Chair - TCG Trusted Mobility Solutions WG
> Chair - Linux Foundation Open Printing WG
> Secretary - IEEE-ISTO Printer Working Group
> Co-Chair - IEEE-ISTO PWG Internet Printing Protocol WG
> IETF Designated Expert - IPP & Printer MIB
> Blue Roof Music / High North Inc
> http://sites.google.com/site/blueroofmusic
> http://sites.google.com/site/highnorthinc
> mailto: blueroofmusic at gmail.com<mailto:blueroofmusic at gmail.com>
> Winter  579 Park Place  Saline, MI  48176  734-944-0094
> Summer  PO Box 221  Grand Marais, MI 49839  906-494-2434
>
>
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=================
James Mekis
(408) 930-5150
jmekis at Mekis.net
=================


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