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niuniu688

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[½»Á÷] ¡¾ÇóÖú¡¿ÈõÈõÎÊÒ»¾äPEO¡¢PEGºÍPOEµÄÇø±ð£¿Ð»Ð»£¡ ÒÑÓÐ2È˲ÎÓë

ÈõÈõÎÊÒ»¾äPEO¡¢PEGºÍPOEµÄÇø±ð£¿Ð»Ð»£¡Ô½¾ßÌåÔ½ºÃ£¬¹þ¹þ½ñÌìÃÔºýÁ˹þ¹þ
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wonderlich

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according to wiki:

PEG, PEO, or POE refers to an oligomer or polymer of ethylene oxide. The three names are chemically synonymous, but historically PEG has tended to refer to oligomers and polymers with a molecular mass below 20,000 g/mol, PEO to polymers with a molecular mass above 20,000 g/mol, and POE to a polymer of any molecular mass.
ÒýÓûØÌû:
Originally posted by niuniu688 at 2010-06-04 21:30:02:
ÈõÈõÎÊÒ»¾äPEO¡¢PEGºÍPOEµÄÇø±ð£¿Ð»Ð»£¡Ô½¾ßÌåÔ½ºÃ£¬¹þ¹þ½ñÌìÃÔºýÁ˹þ¹þ

4Â¥2010-06-05 04:36:41
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yang06030228

Í­³æ (СÓÐÃûÆø)

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Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
×î¼Ñ´ð°¸PEOºÍPEGÊÇÒ»¸ö¶«Î÷,Ò»¸ö½Ð¾Û»·ÑõÒÒÍ飬һ¸ö½Ð¾ÛÒÒ¶þ´¼£¬ÊÇÒ»¸ö¶«Î÷.POEÊÇÒÒÏ©ÐÁÏ¡¹²¾ÛÎï¡£
2Â¥2010-06-04 21:51:29
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wonderlich

ľ³æ (СÓÐÃûÆø)

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PEO and PEG are the same thing,
normally people use PEG for oligomeric PEO.
when the molecular weight is sufficiently high,
PEO is used.
ÒýÓûØÌû:
Originally posted by niuniu688 at 2010-06-04 21:30:02:
ÈõÈõÎÊÒ»¾äPEO¡¢PEGºÍPOEµÄÇø±ð£¿Ð»Ð»£¡Ô½¾ßÌåÔ½ºÃ£¬¹þ¹þ½ñÌìÃÔºýÁ˹þ¹þ

3Â¥2010-06-05 04:34:15
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