The PET fibrc was grafted with acrylonitrile (AN) initiated by benzoyl peroxide(BPO). Then the AN-grafted fibre was treated in a solution containing copper-compound and sulfur reducing agent to obtain the electrically...The PET fibrc was grafted with acrylonitrile (AN) initiated by benzoyl peroxide(BPO). Then the AN-grafted fibre was treated in a solution containing copper-compound and sulfur reducing agent to obtain the electrically conductive PET fibre. In this paper the factors affecting the graft copolymerization were discussed and the optimum conditions of graft were then chosen. The conductive components of the electrically conductive PET fibre and their structures were also studied with the aid of X-ray diffractometry and X-ray photoelectron spectrometry. The properties of the conductive fibre, such as electric resistivity. Tm and tensile strength, were展开更多
The objective of this paper is to establish reliable prediction equations relating cotton fibreproperties measured by HVI system and yarn quality,A useful statistical method is adopted for de-veloping a multiple regre...The objective of this paper is to establish reliable prediction equations relating cotton fibreproperties measured by HVI system and yarn quality,A useful statistical method is adopted for de-veloping a multiple regression model interpreting the relation between the data of Spinlab HVIfibre properties and quality parameters of yarn STQ (Strength Tex Quotient).The percent relativecontribution of a fibre property with respect of STQ is also assessed.The results show that the totalcontribution of the HVI measured fibre properties can account for 77.4% of known variation ofyarn STQ.The main feature of the approach is its flexibility in accommodating all fibre properties.The examination of regression equation showed that it could be well applied to predict STQ ofyarns spun from the same spinning system,but,for different spinning systems and also for yarns ofdifferent linear density,modification of the equation would be needed.展开更多
文摘The PET fibrc was grafted with acrylonitrile (AN) initiated by benzoyl peroxide(BPO). Then the AN-grafted fibre was treated in a solution containing copper-compound and sulfur reducing agent to obtain the electrically conductive PET fibre. In this paper the factors affecting the graft copolymerization were discussed and the optimum conditions of graft were then chosen. The conductive components of the electrically conductive PET fibre and their structures were also studied with the aid of X-ray diffractometry and X-ray photoelectron spectrometry. The properties of the conductive fibre, such as electric resistivity. Tm and tensile strength, were
文摘The objective of this paper is to establish reliable prediction equations relating cotton fibreproperties measured by HVI system and yarn quality,A useful statistical method is adopted for de-veloping a multiple regression model interpreting the relation between the data of Spinlab HVIfibre properties and quality parameters of yarn STQ (Strength Tex Quotient).The percent relativecontribution of a fibre property with respect of STQ is also assessed.The results show that the totalcontribution of the HVI measured fibre properties can account for 77.4% of known variation ofyarn STQ.The main feature of the approach is its flexibility in accommodating all fibre properties.The examination of regression equation showed that it could be well applied to predict STQ ofyarns spun from the same spinning system,but,for different spinning systems and also for yarns ofdifferent linear density,modification of the equation would be needed.