Name | Specifications | Packing | Price | Delivery |
Poly(1-vinylpyrrolidone-co-vinyl acetate) | 50%乙醇溶液(共聚物Copolymer, 3:7) | 500g | RMB 321.2 | Consulting service |
Poly(1-vinylpyrrolidone-co-vinyl acetate) | 50%乙醇溶液, 3:7 | 100g | RMB 97.9 | Consulting service |
Poly(1-vinylpyrrolidone-co-vinyl acetate) | 50%乙醇溶液(共聚物Copolymer, 7:3) | 500g | RMB 321.2 | Consulting service |
Poly(1-vinylpyrrolidone-co-vinyl acetate) | 50%乙醇溶液(共聚物Copolymer, 7:3) | 100g | RMB 97.9 | Consulting service |
Poly(1-vinylpyrrolidone-co-vinyl acetate) | average Mw~50,000 (GPC vs. poly(ethylene oxide))粉末 | 250g | RMB 207.9 | Consulting service |
Poly(1-vinylpyrrolidone-co-vinyl acetate) | average Mw~50,000 (GPC vs. poly(ethylene oxide))粉末 | 1kg | RMB 539 | Consulting service |
K值 25.2 -30.8
皂化值 230 -274
残余单体(VP+VAc),% <0.4
干燥失重,% <5.0
硫酸盐灰分,% <0.1
重金属,ppm <20ppm
氮含量,% 7.0-8.0
醛,ppm <500
过氧化物,ppm <400
肼,ppm <1
α-吡咯烷酮,% <0.5
另外可提供不同比例 (n/m 值) 之乙烯基吡咯烷酮及乙酸乙烯酯共聚的粉剂及乙醇溶液。
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