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[½»Á÷] ¡¾ÇóÖú¡¿ÂÞÃŹþ˹µÄps-b-paa Ôõô²éÐͺţ¿£¿

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ps-b-paa was obtained from Rohm & Hass Electronic Materials(shanghai branch)the block ratio of ps to paa is 2:1,molecular weight is 12500 g/mol.
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[ Last edited by ftgsmile on 2008-3-12 at 09:12 ]
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