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A novel finishing agent, N,N-dimethyl-octadecyl phosphate acrylamide (NDOPA), was synthesized with octadecanol, phosphorous acid, formaldehyde and acrylamide, and applied to cotton fabrics by ultraviolet curing to endow cotton fabrics with superhydrophobicity and flame retardancy. Results showed that NDOPA could be grafted onto cotton fabrics through C–O–C covalent bonds during the ultraviolet curing...
A high-efficiency, halogen-free flame retardant: ammonium salt of guanazole-penta-(methylphosphonic acid) (AGPMPA) was synthesized in water solution under a mild reaction condition. The chemical structure of AGPMPA was characterized by FT-IR, 1H NMR, 13C NMR and 31P NMR spectra. Vertical burning tests showed that cotton fabrics treated with 20%, 25% and 30% AGPMPA cannot be ignited, and the shortest...
A novel bio-based flame retardant ammonium salt of sodium glutamate tetramethylenephosphonic acid (ASGTMPA) was synthesized for cotton. The structure of ASGTMPA was characterized by nuclear magnetic resonance. When the concentration of ASGTMPA was 30%, the limit oxygen index of treated cotton fabric reached 39.5% and was 26.3% after 50 laundering cycles. TG and TG-IR results suggested that ASGTMPA-treated...
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