Self-healing rubber


	Self-healing rubber
rj3sp
2-21-2008 6:55 AM
213 views
tags:
material
rj3sp says:
A material that is able to self-repair even when it is sliced in two has been invented by French researchers.
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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/4fb12523-3712-47b2-84c6-2fa54dfddfcf/ACBBE9A9-841C-4E5D-A0EA-F18F886CDC4A/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://news.bbc.co.uk/2/hi/science/nature/7254939.stm" href="http://news.bbc.co.uk/2/hi/science/nature/7254939.stm" style="font-size: 11px;">news.bbc.co.uk</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/2/hi/science/nature/7254939.stm"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/news.bbc.co.uk/img/8C57CF20-D535-41A7-81D9-25B197667EAE" alt="BBC News" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/2/hi/science/nature/7254939.stm"><DIV class="sh">
					Self-healing rubber bounces back
				</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/2/hi/science/nature/7254939.stm"><P>
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<TABLE width="208" cellspacing="0" cellpadding="0" border="0" align="right"><TBODY><TR><TD width="5"><IMG width="5" vspace="0" hspace="0" height="1" border="0" alt="" src="http://newsimg.bbc.co.uk/shared/img/o.gif" /></TD><TD class="sibtbg"><DIV class="o">
			                            <IMG width="203" vspace="0" hspace="0" height="152" border="0" alt="Self-repairing material (Ludwik Leibler)" src="http://newsimg.bbc.co.uk/media/images/44439000/jpg/_44439572_rubber_203.jpg" />
			                    </DIV>
<DIV class="o">
			                            <IMG width="203" vspace="2" hspace="0" height="1" border="0" alt="" src="http://newsimg.bbc.co.uk/nol/shared/img/v3/inline_dashed_line.gif" />
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<DIV class="mvtb">
		<A href="http://www.bbc.co.uk/mediaselector/check/player/nol/newsid_7250000/newsid_7255000?redirect=7255002.stm&news=1&nbwm=1&bbram=1&bbwm=1&nbram=1&asb=1">
			<IMG vspace="0" height="13" border="0" align="left" alt="" src="http://newsimg.bbc.co.uk/nol/shared/img/v3/icons/video_text.gif" /><B>The material in action</B>
		</A>
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</TD></TR></TBODY></TABLE><B>A material that is able to self-repair even when it is sliced in two has been invented by French researchers.</B>
</FONT></P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/2/hi/science/nature/7254939.stm"><table background="undefined" bgcolor=""><tr><TD class="sibtbg"><DIV>
<DIV class="mva">
			<IMG width="24" height="13" border="0" alt="" src="http://newsimg.bbc.co.uk/nol/shared/img/v3/start_quote_rb.gif" />
			<B>Children are always breaking their toys. Wouldn't it be nice if you could put them back together so easily?</B>
		<IMG width="23" vspace="0" height="13" border="0" align="right" alt="" src="http://newsimg.bbc.co.uk/nol/shared/img/v3/end_quote_rb.gif" /><BR clear="all" />	</DIV>
</DIV>
<DIV class="mva">
	<DIV>Ludwik Leibler</DIV>
</DIV>
</TD></tr></table></blockquote><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content9.clipmarks.com/images/clip-icon.gif" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://technology.newscientist.com/article/dn13354" href="http://technology.newscientist.com/article/dn13354" style="font-size: 11px;">technology.newscientist.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://technology.newscientist.com/article/dn13354"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/technology.newscientist.com/img/0BEE08C1-8328-407B-ABFB-742470B7669C" alt="New Scientist Technology" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://technology.newscientist.com/article/dn13354"><div align="center"><embed src="http://www.youtube.com/v/Bho1-R5heFc" height="329" width="400" wmode="opaque" quality="high" type="application/x-shockwave-flash"></embed></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://technology.newscientist.com/article/dn13354"><DIV class="straptext">Rubber that can heal itself after being cut or broken could allow products to mend themselves (Video: Francois Tournilhac/Ludwik Leibler)</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://technology.newscientist.com/article/dn13354"><P>When the material melds together again, it has just as much strength as it had before, says Leibler, a polymer chemist at the Industrial Physics and Chemistry Higher Educational Institution (ESPCI) in Paris, France. See the material self-healing in the video top right.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://technology.newscientist.com/article/dn13354"><P>The material is synthesised from fatty acids and urea, which are cheap and renewable. The downside is that getting rid of covalent and ionic bonding means the material is weaker than regular rubber.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/ACBBE9A9-841C-4E5D-A0EA-F18F886CDC4A/blog/" title="blog or email this clip"><img src="http://content7.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>
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