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<P align=left><B >常用光学塑料<FONT face="Times New Roman">-</FONT></B><B >聚甲基丙烯甲酯<FONT face="Times New Roman">PMMA<o:p></o:p></FONT></B></P>
<P align=left>密度<FONT face="Times New Roman">(kg/m3)</FONT>:<FONT face="Times New Roman">(1.17</FONT>~<FONT face="Times New Roman">1.20)</FONT>×<FONT face="Times New Roman">10E3</FONT></P>
<P align=left><FONT face="Times New Roman">nD </FONT>ν:<FONT face="Times New Roman">1.49 57.2</FONT>~<FONT face="Times New Roman">57.8</FONT></P>
<P align=left>透过率<FONT face="Times New Roman">(%)</FONT>:<FONT face="Times New Roman">90</FONT>~<FONT face="Times New Roman">92</FONT></P>
<P align=left>吸水率<FONT face="Times New Roman">(%)</FONT>:<FONT face="Times New Roman">0.3</FONT>~<FONT face="Times New Roman">0.4</FONT></P>
<P align=left>玻璃化温度:<FONT face="Times New Roman">10E5</FONT></P>
<P align=left>熔点(或粘流温度):<FONT face="Times New Roman">160</FONT>~<FONT face="Times New Roman">200</FONT></P>
<P align=left>马丁耐热:<FONT face="Times New Roman">68</FONT></P>
<P align=left>热变形温度:<FONT face="Times New Roman">74</FONT>~<FONT face="Times New Roman">109(4.6 </FONT>×<FONT face="Times New Roman">10Pa) 68</FONT>~<FONT face="Times New Roman">99(18.5</FONT>×<FONT face="Times New Roman">10Pa)</FONT></P>
<P align=left>线膨胀系数:<FONT face="Times New Roman">(5</FONT>~<FONT face="Times New Roman">9)</FONT>×<FONT face="Times New Roman">10E-5</FONT></P>
<P align=left>计算收缩率<FONT face="Times New Roman">(%)</FONT>:<FONT face="Times New Roman">1.5</FONT>~<FONT face="Times New Roman">1.8</FONT></P>
<P align=left>比热<FONT face="Times New Roman">J/kgK</FONT>:<FONT face="Times New Roman">1465</FONT></P>
<P align=left>导热系数<FONT face="Times New Roman">W/m K</FONT>:<FONT face="Times New Roman">0.167</FONT>~<FONT face="Times New Roman">0.251</FONT></P>
<P align=left>燃烧性<FONT face="Times New Roman">m/min</FONT>:慢</P>
<P align=left>耐酸性及对盐溶液的稳定性:出强氧化酸外,对弱碱较稳定</P>
<P align=left>耐碱性:对强碱有侵蚀对弱碱较稳定</P>
<P align=left>耐油性:对动植物油,矿物油稳定</P>
<P align=left>耐有机溶剂性:对芳香族,氯化烃等能溶解,醇类脂肪族无影响</P>
<P align=left>日光及耐气候性:紫外透过滤<FONT face="Times New Roman">73.5%</FONT></P>
<P align=left><B >常用光学塑料<FONT face="Times New Roman">-</FONT></B><B >苯乙烯甲基丙烯酸甲酯共聚物<o:p></o:p></B></P>
<P align=left>密度<FONT face="Times New Roman">(kg/m3)</FONT>:<FONT face="Times New Roman">(1.12</FONT>~<FONT face="Times New Roman">1.16)</FONT>×<FONT face="Times New Roman">10E3</FONT></P>
<P align=left><FONT face="Times New Roman">nD </FONT>ν:<FONT face="Times New Roman">1.533 42.4</FONT></P>
<P align=left>透过率<FONT face="Times New Roman">(%)</FONT>:<FONT face="Times New Roman">90</FONT></P>
<P align=left>吸水率<FONT face="Times New Roman">(%)</FONT>:<FONT face="Times New Roman">0.2</FONT></P>
<P align=left>玻璃化温度:</P>
<P align=left>熔点(或粘流温度):</P>
<P align=left>马丁耐热:<FONT face="Times New Roman"><60</FONT></P>
<P align=left>热变形温度:<FONT face="Times New Roman">85</FONT>~<FONT face="Times New Roman">99 (18.5</FONT>×<FONT face="Times New Roman">105Pa)</FONT></P>
<P align=left>线膨胀系数:<FONT face="Times New Roman">(6</FONT>~<FONT face="Times New Roman">8)</FONT>×<FONT face="Times New Roman">10E-5</FONT></P>
<P align=left>计算收缩率<FONT face="Times New Roman">(%)</FONT>:</P>
<P align=left>比热<FONT face="Times New Roman">J/kgK</FONT>:</P>
<P align=left>导热系数<FONT face="Times New Roman">W/m K</FONT>:<FONT face="Times New Roman">0.125</FONT>~<FONT face="Times New Roman">0.167</FONT></P>
<P align=left>燃烧性<FONT face="Times New Roman">m/min</FONT>:慢</P>
<P align=left>耐酸性及对盐溶液的稳定性:除强氧化酸外,对酸盐水均稳定</P>
<P align=left>耐碱性:对强碱有侵蚀,对弱碱较稳定</P>
<P align=left>耐油性:对动植物油,矿物油稳定</P>
<P align=left>耐有机溶剂性:对芳香族,氯化烃等能溶解,醇类脂肪族无影响</P>
<P align=left>日光及耐气候性:紫外透过滤<FONT face="Times New Roman">73.5%</FONT></P>
<P align=left>常用光学塑料<FONT face="Times New Roman">-</FONT>聚碳酸酯<FONT face="Times New Roman">PC</FONT></P>
<P align=left>密度<FONT face="Times New Roman">(kg/m3)</FONT>:<FONT face="Times New Roman">1.2 </FONT>×<FONT face="Times New Roman">10E3</FONT></P>
<P align=left><FONT face="Times New Roman">nD </FONT>ν:<FONT face="Times New Roman">1.586(25) 29.9</FONT></P>
<P align=left>透过率<FONT face="Times New Roman">(%)</FONT>:<FONT face="Times New Roman">80</FONT>~<FONT face="Times New Roman">90</FONT></P>
<P align=left>吸水率<FONT face="Times New Roman">(%)</FONT>:<FONT face="Times New Roman">23CRH50% 0.15 </FONT>水中<FONT face="Times New Roman">0.35</FONT></P>
<P align=left>玻璃化温度:<FONT face="Times New Roman">149</FONT></P>
<P align=left>熔点(或粘流温度):<FONT face="Times New Roman">225</FONT>~<FONT face="Times New Roman">250(267)</FONT></P>
<P align=left>马丁耐热:<FONT face="Times New Roman">116</FONT>~<FONT face="Times New Roman">129</FONT></P>
<P align=left>热变形温度:<FONT face="Times New Roman">132</FONT>~<FONT face="Times New Roman">141(4.6</FONT>×<FONT face="Times New Roman">105Pa) 132138(18.5</FONT>×<FONT face="Times New Roman">105Pa)</FONT></P>
<P align=left>线膨胀系数:<FONT face="Times New Roman">6</FONT>×<FONT face="Times New Roman">10-5</FONT></P>
<P align=left>计算收缩率<FONT face="Times New Roman">(%)</FONT>:<FONT face="Times New Roman">0.5</FONT>~<FONT face="Times New Roman">0.7</FONT></P>
<P align=left>比热<FONT face="Times New Roman">J/kgK</FONT>:<FONT face="Times New Roman">1256</FONT></P>
<P align=left>导热系数<FONT face="Times New Roman">W/m K</FONT>:<FONT face="Times New Roman">0.193</FONT></P>
<P align=left>燃烧性<FONT face="Times New Roman">m/min</FONT>:自熄</P>
<P align=left>耐酸性及对盐溶液的稳定性:强氧化剂有破坏作用,在高于<FONT face="Times New Roman">60</FONT>水中水解,对稀酸,盐,水稳定</P>
<P align=left>耐碱性:强碱溶液,氨和胺类能腐蚀和分解,弱碱影响较轻</P>
<P align=left>耐油性:对动物油和多数烃油及其酯类稳定</P>
<P align=left>耐有机溶剂性:溶于氯化烃和部分酮,酯及芳香烃中,不溶于脂肪族,碳氢化合物,醚和醇类</P>
<P align=left>日光及耐气候性:日光照射微脆化</P>
<P align=left>常用光学塑料<FONT face="Times New Roman">-</FONT>烯丙基二甘碳酸酯<FONT face="Times New Roman">CR39</FONT></P>
<P align=left>密度<FONT face="Times New Roman">(kg/m3)</FONT>:<FONT face="Times New Roman">25 1.32</FONT>×<FONT face="Times New Roman">10E3</FONT></P>
<P align=left><FONT face="Times New Roman">nD </FONT>ν:<FONT face="Times New Roman">1.498 53.6</FONT>~<FONT face="Times New Roman">57.8</FONT></P>
<P align=left>透过率<FONT face="Times New Roman">(%)</FONT>:<FONT face="Times New Roman">92</FONT></P>
<P align=left>吸水率<FONT face="Times New Roman">(%)</FONT>:<FONT face="Times New Roman">0.2 24h 25</FONT></P>
<P align=left>玻璃化温度:</P>
<P align=left>熔点(或粘流温度):</P>
<P align=left>马丁耐热:</P>
<P align=left>热变形温度:<FONT face="Times New Roman">8</FONT>×<FONT face="Times New Roman">10-5(-40</FONT>~<FONT face="Times New Roman">+25)11.4</FONT>×<FONT face="Times New Roman">10-5(25</FONT>~<FONT face="Times New Roman">75)14.3</FONT>×<FONT face="Times New Roman">10-5(75</FONT>~<FONT face="Times New Roman">125)</FONT></P>
<P align=left>线膨胀系数:</P>
<P align=left>计算收缩率<FONT face="Times New Roman">(%)</FONT>:</P>
<P align=left>比热<FONT face="Times New Roman">J/kgK</FONT>:</P>
<P align=left>导热系数<FONT face="Times New Roman">W/m K</FONT>:</P>
<P align=left>燃烧性<FONT face="Times New Roman">m/min</FONT>:</P>
<P align=left>耐酸性及对盐溶液的稳定性:</P>
<P align=left>耐碱性:</P>
<P align=left>耐油性:</P>
<P align=left>耐有机溶剂性:</P>
<P align=left>日光及耐气候性:</P>
<P align=left>常用光学塑料<FONT face="Times New Roman">-</FONT>苯乙烯<FONT face="Times New Roman">-</FONT>丙烯腈共聚物<FONT face="Times New Roman">AS</FONT></P>
<P align=left>密度<FONT face="Times New Roman">(kg/m3)</FONT>:<FONT face="Times New Roman"> (1.075</FONT>~<FONT face="Times New Roman">1.1)</FONT>×<FONT face="Times New Roman">10E3</FONT></P>
<P align=left><FONT face="Times New Roman">nD </FONT>ν:<FONT face="Times New Roman">1.498 53.6</FONT>~<FONT face="Times New Roman">57.8</FONT></P>
<P align=left>透过率<FONT face="Times New Roman">(%)</FONT>:<FONT face="Times New Roman">92</FONT></P>
<P align=left>吸水率<FONT face="Times New Roman">(%)</FONT>:<FONT face="Times New Roman">0.2</FONT>~<FONT face="Times New Roman">0.3 24h</FONT></P>
<P align=left>玻璃化温度:</P>
<P align=left>熔点(或粘流温度):</P>
<P align=left>马丁耐热:</P>
<P align=left>热变形温度:</P>
<P align=left>线膨胀系数:<FONT face="Times New Roman">3.6</FONT>×<FONT face="Times New Roman">10E-5</FONT></P>
<P align=left>计算收缩率<FONT face="Times New Roman">(%)</FONT>:</P>
<P align=left>比热<FONT face="Times New Roman">J/kgK</FONT>:</P>
<P align=left>导热系数<FONT face="Times New Roman">W/m K</FONT>:</P>
<P align=left>燃烧性<FONT face="Times New Roman">m/min</FONT>:</P>
<P align=left>耐酸性及对盐溶液的稳定性:</P>
<P align=left>耐碱性:</P>
<P align=left>耐油性:</P>
<P align=left>耐有机溶剂性:</P>
<P align=left>日光及耐气候性:略变黄</P>
<P align=left>常用光学塑料<FONT face="Times New Roman">-</FONT>苯乙烯<FONT face="Times New Roman">-</FONT>丁二烯<FONT face="Times New Roman">-</FONT>丙烯酯<FONT face="Times New Roman">ABS</FONT></P>
<P align=left>密度<FONT face="Times New Roman">(kg/m3)</FONT>:<FONT face="Times New Roman">(1.02</FONT>~<FONT face="Times New Roman">1.16)</FONT>×<FONT face="Times New Roman">10E3</FONT></P>
<P align=left><FONT face="Times New Roman">nD </FONT>ν:</P>
<P align=left>透过率<FONT face="Times New Roman">(%)</FONT>:</P>
<P align=left>吸水率<FONT face="Times New Roman">(%)</FONT>:<FONT face="Times New Roman">0.2</FONT>~<FONT face="Times New Roman">0.4 24h</FONT></P>
<P align=left>玻璃化温度:</P>
<P align=left>熔点(或粘流温度):<FONT face="Times New Roman">130</FONT>~<FONT face="Times New Roman">160</FONT></P>
<P align=left>马丁耐热:<FONT face="Times New Roman">63</FONT></P>
<P align=left>热变形温度:<FONT face="Times New Roman">90</FONT>~<FONT face="Times New Roman">108(4.6</FONT>×<FONT face="Times New Roman">105Pa) 83</FONT>~<FONT face="Times New Roman">103(18.5</FONT>×<FONT face="Times New Roman">105Pa)</FONT></P>
<P align=left>线膨胀系数:<FONT face="Times New Roman">7.0</FONT>×<FONT face="Times New Roman">10E-5</FONT></P>
<P align=left>计算收缩率<FONT face="Times New Roman">(%)</FONT>:<FONT face="Times New Roman">0.4</FONT>~<FONT face="Times New Roman">0.7</FONT></P>
<P align=left>比热<FONT face="Times New Roman">J/kgK</FONT>:<FONT face="Times New Roman">1381</FONT>~<FONT face="Times New Roman">1675</FONT></P>
<P align=left>导热系数<FONT face="Times New Roman">W/m K</FONT>:<FONT face="Times New Roman">0.173</FONT>~<FONT face="Times New Roman">0.303</FONT></P>
<P align=left>燃烧性<FONT face="Times New Roman">m/min</FONT>:慢</P>
<P align=left>耐酸性及对盐溶液的稳定性:对酸,水,无机盐几乎没有影响,在冰醋酸中会引起应开裂</P>
<P align=left>耐碱性:耐碱性能良好</P>
<P align=left>耐油性:对某些植物油会引起应力开裂</P>
<P align=left>耐有机溶剂性:在酮,醛,酯以及有些氯化烃中要溶解,长期接触烃类会软化和溶涨</P>
<P align=left>日光及耐气候性:比聚苯乙烯好</P>
[此贴子已经被作者于2006-3-26 10:12:54编辑过]
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