Kevin get in touch with Gelest they will send you a technical descriptive
catalogue with hundreds of silanes listed and their uses.  Bill Moffat

Sent from my iPad

On Sep 20, 2013, at 7:21 AM, "Fahd Ali"  wrote:

>
> Hi Kevin,Yes I am doing it for microfluidic devices. The challenge I have is
that I need bonding between glass and FEP without changing color, later I will
be analyzing the fluids inside. I was laminating FEP to glass thermally but
there was NO bonding. Now i read a lot about silanes which are helpful in
bonding glass with other polymers.
> If Sodium Naphthalene works I can use it on one side of FEP. I will read more
about silanes though, if I find suitable one, it will be easy to proceed.thanks,
>
>> From: [email protected]
>> Date: Wed, 18 Sep 2013 14:00:26 -0700
>> To: [email protected]
>> Subject: Re: [mems-talk] adhesion agents
>>
>> APTES and HMDS won't buy you anything for bonding FEP or PTFE to
>> glass. Don't worry about the glass surface much. To bond FEP to glass, you
>> first need to rip off the flourine from the surface of the FEP. Sodium
>> Naphthalene does that very well. You'll use warm Sodium Naphthalene and dip
>> the FEP you want to bond in that. The FEP will turn brownish, and it'll
>> then be bondable by epoxy, etc. Any surface that doesn't contact the Sodium
>> Naphthalene will still be hydrophobic. Sodium Naphthalene is explosive if
>> it contacts fluorocarbon oil, so make sure none of that is around (which it
>> would probably only be if you're doing this for a microfluidic device).
>>
>>
>> On Wed, Sep 18, 2013 at 9:32 AM, Bill Moffat
>> wrote:
>>
>>> Hi,there are numerous silanes that can act as a bonding agent for Polymers
>>> to glass.  The most common one is Amino Propyl Tri Ethoxy Silane, APTES.
>>> It has a different vapor pressure to HMDS the most common bonding silane
>>> for photoresist.  A common process is APTES vapor, Polymer coating then
>>> bake up to 450 degrees C with no problems.  Bill Moffat
>>>
>>> -----Original Message-----
>>> From: [email protected] [mailto:
>>> [email protected]] On Behalf Of
>>> Fahd Ali
>>> Sent: Wednesday, September 18, 2013 2:08 AM
>>> To: [email protected]
>>> Subject: [mems-talk] adhesion agents
>>>
>>> Hi,
>>> I am searching for a silane coupling agent for the bonding of glass and
>>> polymer (FEP films) . For bonding purposes I have to go up to 260°C, are
>>> there coupling agents or adhesives available which can stand this
>>> temperature.
>>>
>>> kind regards,
>>> -----------------------------------------------
>>> Fahd Ali
>>>
>>>
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> _______________________________________________
> Hosted by the MEMS and Nanotechnology Exchange, the country's leading
> provider of MEMS and Nanotechnology design and fabrication services.
> Visit us at http://www.mems-exchange.org
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