商品名：乙烯-醋酸乙烯共聚物
别 名：EVA树脂;乙酸乙烯酯与乙烯的聚合物;乙烯-醋酸乙烯共聚树脂粉末;乙烯与乙酸乙烯酯的共聚物;乙烯乙酸酯共聚物;EVA粉末;乙烯-醋酸乙烯共聚物;乙烯醋酸乙烯酯
英文名：Poly(ethylene-co-vinyl acetate)
产 地：湖南
Cas号：24937-78-8
分子结构：
分子式：C18H30O6X2
分子量：342.4300
备注：以上描述，仅作参考，并不表示您收到的产品，与此项描述完全相符，产品的出厂标准，请参见质量标准。
性状：
质量标准:醋酸乙烯 12 wt. %, 熔融指数8 g/10 min (190°C/2.16kg) :
Appearance Colorless Beads
Infrared spectrum Conforms to Structure
Vinyl Acetate 11.0 - 13.0 %
Melt Index: g/10 minutes 7.0 - 9.0 (190°C/2.16kg)
Antioxidant, BHT 400 - 1200 ppm
hardness 43 (Shore D, ASTM D 2240)
mp 95 °C
transition temp softening point 65 °C (Vicat, ASTM D 1525)
density 0.933 g/mL at 25 °C
醋酸乙烯 18 wt. %, 熔融指数8 g/10 min (190°C/2.16kg) :
appearance colorless beads
raman spectrum conforms to structure.
miscellaneous assays melt index: 8 g/10 minutes (190°C/2.16kg)
vinyl acetate: 18.0% *
contains 200-900 ppm BHT as inhibitor
hardness 38 (Shore D, ASTM D 2240)
mp 87 °C
transition temp softening point 61 °C (Vicat, ASTM D 1525)
density 0.94 g/mL at 25 °C
醋酸乙烯 25 wt. %, 熔融指数19 g/10 min (190°C/2.16kg) :
Appearance (Color) Colorless
Appearance (Form) Beads
Infrared spectrum Conforms to Structure
Proton NMR spectra Conforms to Structure
Melt Index (g/10 minutes) 16.0 - 22.0(19) (190°C/2.16 kg)
Vinyl Acetate 24.0 - 26.0 %
contains 200-900 ppm BHT as inhibitor
composition vinyl acetate, 25 wt. %
hardness 28 (Shore D, ASTM D 2240)
mp 75 °C
transition temp softening point 46 °C (Vicat, ASTM D 1525)
density 0.948 g/mL at 25 °C
醋酸乙烯 32 wt. %, 熔融指数43 g/10 min (190°C/2.16kg) :
appearance transparent colorless beads or pellets
infrared spectrum conforms to structure.
raman spectrum conforms to structure.
miscellaneous assays melt index: 43 g/10 minutes (190°C/2.16 kg)
vinyl acetate: 32%
Hardness,Shore A--2 Durometer,10 sec 65
Softening Point Ring &Ball,°C (°F) 110(230)
醋酸乙烯 40 wt. %, 熔融指数52 g/10 min (190°C/2.16kg) :
Appearance Colorless Beads
Infrared spectrum Conforms to Structure
composition
vinyl acetate, 40 wt. %
Antioxidant 190 - 910 ppm
melt index 52 g/10 min (190°C/2.16kg)
hardness 40 (Shore A-2, ASTM D 2240)
Softening Point Ring & Ball,°C (°F) 104 (220)
transition temp Tg −40-−30 °C
Tm 110-120 °C
solubility toluene, THF, and MEK: soluble
contains 200-800 ppm BHT
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