Re: gloy for tricolor on yupo?

From: Katharine Thayer ^lt;kthayer@pacifier.com>
Date: 03/31/06-08:38:06 AM Z
Message-id: <CAF0FCE9-7CBE-49B1-9D1F-DAFF2CF398D3@pacifier.com>

Thanks, this is about as I expected, but hoped there might be a more
definite anser.
Katharine

On Mar 30, 2006, at 11:29 PM, Ryuji Suzuki wrote:

> From: Katharine Thayer <kthayer@pacifier.com>
> Subject: Re: gloy for tricolor on yupo?
> Date: Thu, 30 Mar 2006 22:17:38 -0800
>
>
>> Could you suggest a degree of hydrolysis and a molecular weight that
>> might satisfy Gord's criteria?
>>
>
> No, this is something you can only find experimentally. However, the
> lowest available for PVA adhesive is about 87%, so the range is rather
> narrow. Larger molecular weight has stronger adhesion and less readily
> soluble in water (before and after crosslinking).
>
> Frankly, polymer technology is mostly kept in the industrial domain as
> proprietary information, just like many many other useful chemical
> knowledge. I know quite a bit about gelatin but your question
> regarding PVA is not something I can crank up my computer to do some
> calculation to answer.
>
> But I posted general directions of which variables to steer to which
> direction, so you can minimize number of trials to get to the perfect
> solution you seek. More information can be found in industrial
> chemistry literature, but not that kind of directly useful
> information. Those, they keep secret.
>
> From: TERRYAKING@aol.com
> Subject: Re: gloy for tricolor on yupo?
> Date: Fri, 31 Mar 2006 02:13:10 -0500 (EST)
>
>
>> What would be more helpful would be a catalogue reference.
>>
>
> Hire your consultant.
>
Received on Fri Mar 31 08:38:25 2006

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