摘要:
A cord, in particular for reinforcing tyres, containing a cellulosic multifilament yarn, characterized in that the cellulosic multifilament yarn has a strength of at least 35 cN/tex and the individual filaments of the multifilament yarn have a linear density of at least 2.3 dtex, is disclosed. In use, such cords display a significantly improved fatigue behaviour, i.e. a significantly higher fatigue resistance, than standard cords having a linear density of the individual filaments in the range from 1 to 2 dtex.
摘要:
The invention relates to a hybrid cord consisting of at least two multifilament yarns twisted together, the first multifilament yarn being a viscose multifilament yarn and the other multifilament yarn being a non-metallic multifilament yarn consisting of a material that is not identical to the first multifilament yarn. The viscose multifilament yarn was conditioned in a standard atmosphere according to DIN EN ISO 139-1:2005 and after conditioning has a yarn titre
摘要:
The invention relates to a viscose multifilament yarn having a degree of crystallinity in the range of between 15% to 40%, and after conditioning in the normal climate according to DIN EN ISO 139-1:2005, a yarn count of ≥ 150 dtex to
摘要:
The invention relates to a cellulose fiber coated with a coating agent which contains a mixture comprising urea, nonionic surfactants, and antioxidants. The coated cellulose fiber is characterized in that the tensile strength of said fiber is up to four times greater than the tensile strength of the corresponding uncoated cellulose fiber after a defined thermal aging process. The average degree of polymerization of the coated cellulose fiber material is up to six times greater than the remaining degree of polymerization of an uncoated cellulose fiber after the same aging procedure. The invention further relates to thermal aging methods for identifying effective stabilizers and for characterizing coated cellulose fibers and filaments with improved thermostability.