聚[4,4′-亚甲基双(异氰酸苯酯)-alt-1,4-丁二醇/二(丙二醇)/聚己内酯]

Supelco

81367

聚氨酯

Selectophore^™

Sigma-Aldrich

433497

聚(丙二醇)，甲苯基-2,4-二异氰酸酯封端

average M_n ~2,300 (narrow MW distribution), isocyanate ~3.6 wt. %

Sigma-Aldrich

418005

聚六亚甲基二异氰酸酯

viscosity 1,300-2,200 cP (25 °C)(lit.)

Sigma-Aldrich

256439

4,4′-亚甲基双(异氰酸苯酯)

98%

GF20677923

聚氨酯

foam, thickness 10 mm, size 150 × 150 mm, bulk density 0.08 g/cm³

Sigma-Aldrich

440744

聚已酸内酯

average M_n 80,000

Sigma-Aldrich

189421

聚己內酯醇

average M_n ~2,000

Sigma-Aldrich

JKA7111

4arm-PEG20K-Isocyanate

average M_n 20,000

GF03054642

聚氨酯

foam, thickness 10 mm, size 100 × 100 mm, bulk density 0.08 g/cm³