* wordsmithing away needless words, mostly
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<h1 id="hands-on-thermoplastic">Hands-On Thermoplastic</h1>
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<h2 id="not-too-hot-to-handle">Not too HOT to handle!</h2>
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<p>Try your hand at shaping PCL!</p>
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<ul>
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<li>More flexible than polymer clay.</li>
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<li>More useful than Silly Putty.</li>
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<li>Easier than a 3D printer.</li>
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</ul>
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<hr />
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<h3 id="how-does-it-work">How does it work?</h3>
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<ul>
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<li>With just a little warmth, this material becomes putty in your hands, to be shaped as you wish.</li>
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<li>Let it cool down & it becomes tough and rigid, holding its shape.</li>
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<li>With just a little warmth, this material becomes putty in your hands, to shape as you wish.</li>
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<li>Let it cool & it becomes tough & rigid, holding its shape.</li>
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<li>Warm it back up to try again!</li>
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</ul>
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<hr />
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<h3 id="what-is-it">What is it?</h3>
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<h4 id="polymers">Polymers</h4>
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<h4 id="a-polymer">A <strong>polymer</strong></h4>
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<ul>
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<li>Its generic name is <em>poly(caprolactone)</em>, but we just call it <strong>PCL</strong> for short.</li>
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<li>It is made out of long chains of small molecules all hooked together.
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<li>It is made of long chains of small molecules all hooked together.
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<ul>
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<li>We call this type of material a <strong>polymer</strong>.</li>
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</ul></li>
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<li>Manufactured polymers are often called by another name: <strong>Plastics.</strong></li>
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<li>Manufactured polymers are often just called <strong>plastics.</strong></li>
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</ul>
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<hr />
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<h4 id="thermoplastics">Thermoplastics</h4>
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<ul>
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<li>Plastics that can be shaped when warm but which become less flexible at cooler temperatures are called <strong>thermoplastics</strong>.</li>
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<li>It is sold under a number of different trade names.</li>
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<li>It is a close relative to thermoplastics used in a very common type of 3D printer ("fused-deposition modelling").</li>
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<li>Plastics that can be shaped when warm but which become less flexible when cool are called <strong>thermoplastics</strong>.</li>
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<li>PCL is sold under a number of different trade names.</li>
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<li>PCL is a close relative to thermoplastics used in a very common type of 3D printer (<em>fused-deposition modelling</em>).</li>
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</ul>
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<hr />
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<h3 id="where-do-we-find-other-polymers">Where do we find other polymers?</h3>
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## Not too HOT to handle!
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Try your hand at shaping PCL!
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* More flexible than polymer clay.
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* More useful than Silly Putty.
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* Easier than a 3D printer.
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----
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### How does it work?
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* With just a little warmth, this material becomes putty in your hands, to be shaped as you wish.
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* Let it cool down & it becomes tough and rigid, holding its shape.
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* With just a little warmth, this material becomes putty in your hands, to shape as you wish.
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* Let it cool & it becomes tough & rigid, holding its shape.
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* Warm it back up to try again!
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----
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### What is it?
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#### Polymers
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#### A **polymer**
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* Its generic name is *poly(caprolactone)*, but we just call it **PCL** for short.
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* It is made out of long chains of small molecules all hooked together.
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* It is made of long chains of small molecules all hooked together.
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* We call this type of material a **polymer**.
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* Manufactured polymers are often called by another name: **Plastics.**
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* Manufactured polymers are often just called **plastics.**
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----
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#### Thermoplastics
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* Plastics that can be shaped when warm but which become less flexible at cooler temperatures are called **thermoplastics**.
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* It is sold under a number of different trade names.
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* It is a close relative to thermoplastics used in a very common type of 3D printer ("fused-deposition modelling").
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* Plastics that can be shaped when warm but which become less flexible when cool are called **thermoplastics**.
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* PCL is sold under a number of different trade names.
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* PCL is a close relative to thermoplastics used in a very common type of 3D printer (*fused-deposition modelling*).
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----
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