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小木虫论坛-学术科研互动平台 » 化学化工区 » 高分子 » 【求助】 如何制备超软聚氨酯弹性体？
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zhouyubo1979

铁杆木虫 (小有名气)
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jinguizi001(金币+2,VIP+0):谢谢 4-15 17:48
软段用硅橡胶或是聚膦腈，因为这两物质主链很柔顺，玻璃化温度很低，我试过，硬度可以做到邵A40。
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11楼2009-04-13 17:11:20
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yw6729

木虫 (正式写手)
帮你顶！
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12楼2009-04-13 18:47:01
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gzsjls

木虫 (职业作家)

纯纯家族之纯火星
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jinguizi001(金币+6,VIP+0):谢谢 4-15 17:48
美国相关专利，都是产品方面的，里面配方详细

6458119  
Ultrasoft embolism devices and process for using them   
An exceptionally flexible, ultra-soft vasoocclusive or embolism forming device made of a material which may be a braid, coil, or chain which forms a long, thin thread-like device having little...  

6656581
  Incrementally stretched non-embossed films having high moisture vapor transmission rates (MVTRs)   
Non-embossed film products permeable to moisture vapor and which act as barriers to liquid are made by a high speed method. The microporous products have high moisture vapor transmission rates...  

6740184  
High speed method of making plastic film and nonwoven laminates   
Thermoplastic film, microporous film, and laminates thereof, are made at high speeds on the order of about 500 fpm to about 1200 fpm. Bond strengths of film and nonwoven laminates are effectively...  

6050871  
Crystal gel airfoils with improved tear resistance and gel airfoils with profiles capable of exhibiting time delay recovery from deformation   
A novel aerodynamic toy comprising a camber defined by one or more inner or outer parameter gel profile(s) in the shape of an airfoil made from an elastic, tear resistant, crystal gel with or...  

6951591
  High speed method of making plastic film and nonwoven laminates   
Laminates of thermoplastic films and nonwoven fibrous webs are made at high speeds on the order of about 700 fpm to about 1200 fpm. Bond strengths of film and nonwoven laminates are effectively...  

不知道能不能帮上忙

[ Last edited by gzsjls on 2009-4-13 at 19:15 ]
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13楼2009-04-13 19:11:14
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jinguizi001

木虫 (正式写手)
谢谢大家了！
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14楼2009-04-15 19:01:23
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鲤鱼跃龙门

金虫 (正式写手)
学习一下
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见过雷的，见过牛的，没见过雷死牛的！～.～
15楼2009-04-15 22:34:12
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fegowang
顶一下！
16楼2009-11-08 22:26:53
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