摘要
以N-乙烯基吡咯烷酮(NVP)和N-乙烯基咪唑(NVI)为原料合成了三种不同单体比例的N-乙烯基吡咯烷酮/N-乙烯基咪唑聚合物(VP/VI聚合物),采用乌氏黏度计、傅里叶变化红外光谱(FT-IR)、凝胶渗透色谱(GPC)对聚合物的结构进行了表征,结果表明三种聚合物的K值均在30左右,重均分子量(M_(W))分别为37 848,22 656,8 111。通过紫外可见光光谱(UV-Vis)和防沾染实验对三种VP/VI聚合物的防沾染性进行测试,结果表明,加入VPVI-P,VPVI-5和VPVI-7后,直接大红染液的最大吸收波长(λ_(max))从499 nm分别升至520,527和531 nm,λ_(max)处的吸光度从0.30升至0.39左右;直接深蓝染液的λ_(max)从558 nm升至576 nm左右,λ_(max)处的吸光度从0.15升至0.35,三种聚合物均与直接大红、直接深蓝染料分子有明显相互作用。随着聚合物中NVI组分的增加,VP/VI聚合物的防串色性能得到提升。
Three kinds of N-vinyl pyrrolidone(NVP)/N-vinyl imidazole(NVI) polymers(VP/VI polymers) with different monomer ratios were synthesized,and all samples were characterized and analyzed by Ubbelohde viscometer,Fourier transform infrared spectroscopy(FT-IR) and gel permeation chromatography(GPC).The results showed that the K values of the three copolymers were around 30,and the weight average molecular weights(M_W) of the three copolymers were 37 848,22 656 and 8 111,respectively.The anti-staining properties of the VP/VI polymers were tested by ultraviolet-visible spectrophotometer(UV-vis) and anti-staining experiments.With the addition of VPVI-P,VPVI-5 and VPVI-7,the maximum absorption wavelength(λ_(max)) of the Direct Red 28solution was red shifted from 499 nm to 520 nm,527 nm and531 nm,respectively.The absorbance value at λ_(max) was increased from 0.30 to 0.39 as the mass concentration of the VP/VI polymer was increased from 0 g/L to 5.0 × 10~(-2) g/L.The λ_(max) of the Direct Dark Blue solution was red shifted from 558 nm to approximately576 nm and the absorbance at λ_(max) was increased from 0.15 to around 0.35 as the mass concentration of the VP/VI polymer was increased.It indicated obvious interactions between the VP/VI polymers and the dye molecules(Congo red and direct blue)It showed better performance in the anti-staining experiments as the content of NVI component was increased in the polymers.
作者
张森林
孙旭东
张凌飞
王云
Senlin Zhang;Xudong Sun;Lingfei Zhang;Yun Wang(Research and Development Center,Boai NKY Pharmaceutical Co.,Ltd.,Jiaozuo,Henan 454450,China)
出处
《日用化学工业（中英文）》
CAS
北大核心
2023年第6期658-664,共7页
China Surfactant Detergent & Cosmetics
作者简介
Corresponding author:张森林.Tel.:+86-391-8690858,E-mail:zhang.sl1@boai-nky.com.
