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本所二室用聚醚和聚酯作软段,对苯甲烷二异氰酸酯作硬段合成了醚酯混合型聚氨酯弹性体(TS-TPU)。这是一新的磁带粘合剂。在224型液体色谱仪上,用500,10~3,10~5A串接的μ/STyRaGel柱,THF为移动相,对TS-TPU进行GPC分离,得到三个峰:GPC-Ⅰ,Ⅱ,Ⅲ,其GPC-Ⅰ为高分子峰。将此峰按时间三等分分别收集制备得到GPC-Ⅰ_((1)),Ⅰ_((2)),Ⅰ_((3));将收集组份用微量KBR压片法,在Sp.100型红外分光光度计上测定IR图。各组份的IR图一样,且又都和样品未分离时的IR图一致。样品经GPC分离后,没有发现化学性质不同的组份,故TS-TPU应属共聚型高分子化合物。
The second room with polyether and polyester as soft segment, benzyl ether diisocyanate hard segment synthesis of ether-ester hybrid polyurethane elastomer (TS-TPU). This is a new tape adhesive. On a 224 liquid chromatograph, GPC-Ⅰ and Ⅱ were obtained by GPC on TS-TPU with μ / STyRaGel columns connected in series of 500, 10-3, 10-5A and THF as the mobile phase. Ⅲ, the GPC-Ⅰ for the polymer peak. The peak was collected in three equal portions in time to prepare GPC-I (1), I (2) and I (3) Infrared spectrophotometer on the determination of IR map. The IR images of the components are the same, and again they are consistent with the IR image of the sample when it is not isolated. After the sample was separated by GPC, no chemical components were found, so TS-TPU should be a copolymer type polymer compound.