yongqi501
发表于 2006-6-26 21:28:00
求助TG值是什么
求助各位大虾,TG值是什么? 正常的TG值是130~150C,能告述小弟吗?
tomtan688
发表于 2006-6-27 14:34:00
<p>Tg指的是板料的玻璃化温度。普通板料（Normal Tg）约为130~150C，高Tg板料的Tg可达170-210C</p><p>另外，测Tg的方法有TMA，DSC等等</p><p></p><p></p>
yjh1228
发表于 2006-7-11 10:30:00
LINDAFU
发表于 2006-8-2 16:07:00
<p>二楼的那个同志说的差不多,基本上就是这个意思.</p>
群星坠落
发表于 2006-8-8 17:36:00
<p>我不知道MI是啥东东！听起来还可以，我也这么认为吧！</p>
zhanglei
发表于 2006-8-25 15:47:00
<span style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><span style="mso-spacerun: yes;"><font face="Times New Roman"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman';"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman';"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman';"><p class="MsoNormal" style="MARGIN: 0pt;"><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">玻璃态转化温度</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">Glass Transition Temperature(Tg)</font></span></p><p class="MsoNormal" style="MARGIN: 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">高分子在常温时</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">, </font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">通常会呈现一种非结晶无定型态之脆硬玻璃态固体</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">, </font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">但当在高温时却将转变成一种如同橡胶状的弹性固体</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">. </font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">这种由常温</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">”</font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">玻璃态</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">”</font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">转变成物性明显不同的高温</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">”</font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">橡胶态</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">”</font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">过程中</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">, </font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">其狭窄之温变过度区域</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">, </font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">特称为</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">”</font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">玻璃态转化温度</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">”, </font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">简称</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">Tg.</font></span></p><p class="MsoNormal" style="MARGIN: 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"></span></p><p class="MsoNormal" style="MARGIN: 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"></span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">Tg</font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的测量方法主要有</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">DSC, TMA</font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">和</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">DMA</font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">三种</span><span lang="EN-US"><font face="Times New Roman">.</font></span></p><p style="MARGIN: 0pt;"></p></span></span></span></font></span></span>
zhanglei
发表于 2006-8-25 15:48:00
<p class="MsoNormal" style="MARGIN: 0pt;"><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">玻璃态转化温度</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">Glass Transition Temperature(Tg)</font></span></p><p class="MsoNormal" style="MARGIN: 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0;"><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">高分子在常温时</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">, </font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">通常会呈现一种非结晶无定型态之脆硬玻璃态固体</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">, </font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">但当在高温时却将转变成一种如同橡胶状的弹性固体</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">. </font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">这种由常温</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">”</font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">玻璃态</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">”</font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">转变成物性明显不同的高温</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">”</font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">橡胶态</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">”</font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">过程中</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">, </font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">其狭窄之温变过度区域</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">, </font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">特称为</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">”</font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">玻璃态转化温度</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">”, </font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">简称</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">Tg.</font></span></p><p class="MsoNormal" style="MARGIN: 0pt; TEXT-INDENT: 24pt; mso-char-indent-count: 2.0;"><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">Tg</font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">的测量方法主要有</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">DSC, TMA</font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">和</span><span lang="EN-US" style="mso-fareast-font-family: 宋体; mso-fareast-language: ZH-CN;"><font face="Times New Roman">DMA</font></span><span style="FONT-FAMILY: 宋体; mso-fareast-language: ZH-CN; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">三种</span><span lang="EN-US"><font face="Times New Roman">.</font></span></p>
yiweifeng
发表于 2006-8-26 11:36:00
<p>MI=manufacturing instruction, now do you know?</p>
cloudinwindy
发表于 2006-9-15 22:27:00
<div class="msgheader">QUOTE:</div><div class="msgborder"><b>以下是引用<i>yiweifeng</i>在2006-8-26 11:36:00的发言：</b><br/><p>MI=manufacturing instruction, now do you know?</p></div><p></p>Your are quite right.
tanyuxiang
发表于 2006-9-20 10:51:00
<p>谢谢6楼的，学习了！</p>