The process condition of 27dtex/7f polyamide 6 POY and 22dtex/7f polyamide 6 DTY on the product quality are discussed. In condition of process speed:700m/min; drawing ratio:1.235～1.245;
It is showed that through selecting proper process parameters,using the grafting equipment which is over 70 percent made in China to produce 220 dtex/36 f and 110 dtex/24f chinlon 6 FDY in same scale ,the high quality chinlon 6 FDY can be obtained,the firsts ratio is over 96%.
On the Basis of an experiment on the dyeing technology of solubilized vat dyes on chinlon, the light-degradation of the fibre is emphatically discussed.
Based on the properties of bamboo-carbon and the bamboo-carbon fiber, this paper introduces the manufacturing methods and characteristics of bamboo-carbon viscose fiber, bamboo-carbon polyester fiber, bamboo-carbon nylon fiber, bamboo-carbon magnetic health care fiber and a few bamboo-carbon blended yarns.
The results indicated that the diameter of electro-spun nylon fiber increases with the increase of the solution concentration,and the best spinning result is achieved when the concentration is 12%.
On the basis of analyzing the morphological structure and dyeing properties of rayon and nylon fiber, the feasibility of onebath-two-step dyeing process was discussed as viewed from dyestuffs, auxiliaries and dye bath conditions. An illustration was given to the dyeing process.
Nylon, chitin, polyvinyl chloride, and polymethyl methacrylate molecular sieves with pores of various size are studied as membrane surface modifiers in electrodes reversible to anionic surfactants.
Deletion ΔF508 has been revealed in PCR-amplified regions of human gene CFTR by color detection of the hybridization complex obtained by ligation of a tandem of short oligonucleotides on a DNA template followed by UV immobilization on nylon.
To obtain the oligonucleotide array, 60-mer oligonucleotides regularly distributed throughout the genome region of interest at 2-kb intervals were immobilized on a nylon filter.
The Brill transition of even-even polyamide 618 was investigated using differential scanning calorimetry (DSC), temperature-dependent wide angle X-ray diffraction (WAXD) and Fourier transform infrared (FTIR).
The X-ray diffraction results indicate that the melt-crystallized sample of polyamide 618 transforms from the triclinic unit cell to the pseudo-hexagonal phase in the range of 120-180°C.
Desacetyloppositifolin [chrysoeriol 7-O-β-D-mannopyranosyl-(1 → 2)-β-D-glucopyranoside] and the corresponding monoside (chrysoeriol 7-O-β-D-glucopyranoside) have been obtained and isolated by chromatography on Kapron.
锦纶
nylon
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