Preparation of bio-based PA56 fiber modified with aminguanidine hydrochloride and its properties
Three type bio-based PA56 fibers of pure PA56 fiber,antibacterial modified PA56 fiber with 0.5wt％aminoguanidine hydrochloride,and antibacterial modified PA56 fiber with 1.0wt％aminoguanidine hydrochloride are made by melting spinning method with different contents of powder of aminoguanidine hydrochloride,and then woven into 3 fabrics with same weave structure and specifications.The fabric properties of breaking tenacity,elongation,linear density and CV values,anti-UV and anti-bacteria are tested under same testing condition and standards.The test results show that the mechanical properties of PA56 fiber blended with aminoguanidine hydrochloride material decrease with the increase of blending ratio.The linear density of the fiber and the UV protection performance of the fabric do not change much,but the antibacterial performance of the fabric significantly improves with the increase of blending ratio.
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