<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">130° F for 12 hours. Cool slowly. I don't think the temperature and time is that critical.<div><br></div><div>Removes SSS (Sticky Shed Syndrome).</div><div><br></div><div>Some tapes hydrolyze and become sticky. They won't pass through the machine and they shed. This process dries out the tape and it becomes playable.</div><div><br></div><div>Audio and video tapes from the 70s are the most subject to this defect. 3M tapes seem to be better than others.</div><div><br></div><div>Plastic reels on Quad don't melt at 130 but be careful.</div><div><br></div><div>I have heard that the formulation for the binder was changed in the 70's and the molecules break down into shorter chains and absorb moisture. Some say that backcoating and poor storage conditions make the problem worse.</div><div><br></div><div><span class="Apple-style-span" style="font-family: Baskerville; line-height: 24px; "><b>Hydrolysis</b> is a <a href="x-dictionary:r:'Chemical_reaction?lang=en'" title="Chemical reaction" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">chemical reaction</a> <span apple_mouseover_highlight="1">during</span> which molecules of <a href="x-dictionary:r:'Water_(molecule)?lang=en'" title="Water (molecule)" class="mw-redirect" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">water</a> (H<sub style="line-height: 1em; ">2</sub>O) are split into <a href="x-dictionary:r:'Hydrogen?lang=en'" title="Hydrogen" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">hydrogen</a> <a href="x-dictionary:r:'Cation?lang=en'" title="Cation" class="mw-redirect" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">cations</a> (H<sup style="line-height: 1em; ">+</sup>) (<span apple_mouseover_highlight="1">conventionally</span> referred to as <a href="x-dictionary:r:'Proton?lang=en'" title="Proton" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">protons</a>) and<a href="x-dictionary:r:'Hydroxide?lang=en'" title="Hydroxide" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">hydroxide</a> <a href="x-dictionary:r:'Anion?lang=en'" title="Anion" class="mw-redirect" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">anions</a> (OH<sup style="line-height: 1em; ">−</sup>) <span apple_mouseover_highlight="1">in the process of</span> a chemical mechanism.<sup id="cite_ref-0" class="reference" style="line-height: 1em; font-weight: normal; font-style: normal; "><a href="http://en.wikipedia.org/wiki/Hydrolyze#cite_note-0" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; white-space: nowrap; background-position: initial initial; "><span>[</span>1<span>]</span></a></sup><sup id="cite_ref-1" class="reference" style="line-height: 1em; font-weight: normal; font-style: normal; "><a href="http://en.wikipedia.org/wiki/Hydrolyze#cite_note-1" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; white-space: nowrap; background-position: initial initial; "><span>[</span>2<span>]</span></a></sup> It is the type of reaction that is used to <span apple_mouseover_highlight="1">break down</span> certain <a href="x-dictionary:r:'Polymer?lang=en'" title="Polymer" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">polymers</a>, especially those made by <a href="x-dictionary:r:'Step-growth_polymerization?lang=en'" title="Step-growth polymerization" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">step-growth polymerization</a>.</span><br><div><br class="webkit-block-placeholder"></div><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; -webkit-text-decorations-in-effect: none; text-indent: 0px; -webkit-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; -webkit-text-decorations-in-effect: none; text-indent: 0px; -webkit-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div><div>While the process seems to work well, some say it increases distortion on audio tapes. I haven't seen that.</div><div><br></div><div>I had some Quad tapes that played poorly with SSS and low RF causing streaking. After baking, they played fine with no streaking.</div><div><br></div><div>In fact, I've got two Quad reels baking right now.</div><div><br></div><div>Your mileage may vary.</div><div><br class="Apple-interchange-newline">Best,</div><div>Park</div><div><br></div></div><div>C. Park Seward</div><div>Visit us: <a href="http://www.videopark.com">http://www.videopark.com</a></div><br class="Apple-interchange-newline"></span></div></span></div></span><br class="Apple-interchange-newline"></span><br class="Apple-interchange-newline">
</div>
<br><div><div>On Feb 1, 2010, at 5:18 AM, <a href="mailto:Chill315@aol.com">Chill315@aol.com</a> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
<div style="FONT-FAMILY: Arial; COLOR: #000000; FONT-SIZE: 10pt" id="role_body" bottommargin="7" leftmargin="7" rightmargin="7" topmargin="7"><font id="role_document" color="#000000" size="2" face="Arial">
<div>I have heard this mentioned several times. I was wondering what this
procedure is. </div>
<div> </div>
<div>Why is it done? </div>
<div> </div>
<div>How do you do it? </div>
<div> </div>
<div>What are the advantages? </div>
<div> </div>
<div>What are the disadvantages?</div>
<div> </div>
<div>Do you do this only on quad tape? </div>
<div> </div>
<div>Is there an issue with plastic on other formats? </div>
<div> </div>
<div>Chris Hill</div>
<div>WA8IGN</div></font></div>
_______________________________________________<br>Please trim posts to relevant info when replying!<br>Send QuadList list posts to <a href="mailto:QuadList@quadvideotapegroup.com">QuadList@quadvideotapegroup.com</a><br>Your subscribe, unsubscribe and digest options are here:<br><a href="http://mail.quadvideotapegroup.com/mailman/listinfo/quadlist_quadvideotapegroup.com">http://mail.quadvideotapegroup.com/mailman/listinfo/quadlist_quadvideotapegroup.com</a></blockquote></div><br></div></body></html>