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Acta Chimica Sinica ›› 1955, Vol. 21 ›› Issue (1): 50-62. Previous Articles Next Articles
钱人元, 施良和, 史觀一
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CHIEN JEN-YUAN, SHIH LIANG-Ho, SHIH KWAN-I
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A water-extracted polycaprolactam sample was fractionated from a 2% solution in 85% formic acid at 25℃, water being used as precipitant. Cacboxyl end-group titration and viscosity measurements in 40% H2SO4 at 25℃ were carried out for the fractions obtained.
CHIEN JEN-YUAN, SHIH LIANG-Ho, SHIH KWAN-I. THE INTRINSIC VISCOSITIES OF POLYCAPROLACTAM[J]. Acta Chimica Sinica, 1955, 21(1): 50-62.
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