CRYSTAL-STRUCTURE AND THERMODYNAMIC PARAMETERS OF NYLON-1010

	CRYSTAL-STRUCTURE AND THERMODYNAMIC PARAMETERS OF NYLON-1010
	MO ZS ; MENG QB ; FENG JH ; ZHANG HF ; CHEN DL
刊名	polymer international
	1993
卷号	32 期号:1 页码:53-60
ISSN号	0959-8103
通讯作者	mo zs
中文摘要	waxd, saxs, ftir, dsc and density techniques have been used to investigate the crystal structure, crystal density rho(c), amorphous density rho(a), equilibrium heat of fusion deltah(m)degrees and equilibrium melting temperature t(m)degrees. by extrapolating the straight lines in the ftir absorbance against density plot to zero intensity, rho(c) and rho(a) were estimated to be 1.098 and 1.003 g/cm3 respectively. the rho(c) obtained was too low in value. from x-ray diffraction patterns of uniaxially oriented fibres, the crystal structure of nylon-1010 was determined. the nylon-1010 crystallized in the triclinic system, with lattice dimensions: a = 4.9 angstrom, b = 5.4 angstrom, c = 27.8 angstrom, alpha = 49-degrees, beta = 77-degrees, gamma = 63.5-degrees. the unit cell contained one monomeric unit, the space group was p1bar, and the correct value of rho(c) was 1.135 g/cm3. the degree of crystallinity of the polymer was determined as about 60% (at rt) using ruland's method. saxs has been used to investigate the crystalline lamellar thickness, long period, transition zone, the specific inner surface and the electron density difference between the crystalline and amorphous regions for nylon-1010. the analysis of data was based upon a one-dimensional electron-density correlation function. deltah(m)degrees was estimated to be 244.0 j/g by extrapolation of deltah(m)degrees in the plot of heat of fusion against specific volume of semicrystalline specimens to the completely crystalline condition (v(sp)c = 1/rho(c)). owing to the ease of recrystallization of melt-crystallized nylon-1010 specimens, the well-known hoffman's t(m)-t(c) method failed in determining t(m)degrees and a kamide double extrapolation method was adopted. the t(m)degrees value so obtained was 487 k.
收录类别	SCI收录期刊论文
语种	英语
公开日期	2011-01-19 ; 2011-06-10
内容类型	期刊论文
源URL	[http://ir.ciac.jl.cn/handle/322003/36191]
专题	长春应用化学研究所_长春应用化学研究所知识产出_期刊论文
推荐引用方式 GB/T 7714	MO ZS,MENG QB,FENG JH,et al. CRYSTAL-STRUCTURE AND THERMODYNAMIC PARAMETERS OF NYLON-1010[J]. polymer international,1993,32(1):53-60.
APA	MO ZS,MENG QB,FENG JH,ZHANG HF,&CHEN DL.(1993).CRYSTAL-STRUCTURE AND THERMODYNAMIC PARAMETERS OF NYLON-1010.polymer international,32(1),53-60.
MLA	MO ZS,et al."CRYSTAL-STRUCTURE AND THERMODYNAMIC PARAMETERS OF NYLON-1010".polymer international 32.1(1993):53-60.