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![聚\ [三羟甲基丙烷/二（丙二醇）- alt - 己二酸/邻苯二甲酸酐] , 多元醇 average Mn ~500](/deepweb/assets/sigmaaldrich/product/structures/754/225/6e993d83-6b18-473b-a939-bb203d2680fa/640/6e993d83-6b18-473b-a939-bb203d2680fa.png)
耐磨性
10 mg (Taber, H-22 wheel)
质量水平
形式
beads
pellets
熔融指数
4 g/10 min (190°C/8.7kg)
硬度
84 (Shore A, ASTM D 2240)
转变温度
Tg −40 °C (DSC)
softening point 85 °C (Vicat, ASTM D 1525)
密度
1.18 g/mL at 25 °C (lit.)
一般描述
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] (PU/PCL)是一种聚氨酯溶液，可用作形状记忆聚合物和增强基材力学和热性能的增强质。它具有生物相容性，可用于内皮细胞增殖。聚己内酯型聚氨酯 (PU/PCL) 含有聚己内酯 (PCL)，可提高聚合物基质的疏水性。
应用
PU/PCL可用于制备聚氨酯膜，用于有效的气体分离。它还可用于合成具有良好热力学特性的生物医学用增强水凝胶。
汽车仪表板、电缆护套、侧壁衬里、织物层压材料、医疗管材、导液管、透皮贴片，并用于调味瓶密封件、鞋、轴衬和车轮。
特点和优势
具有良好的透明度、耐化学性、柔韧性和韧性的耐用耐磨高性能弹性体。可使用当前形式的产品，也可将产品进一步聚合化后使用。低压缩形变
警示用语：
Danger
危险分类
Acute Tox. 4 Oral - Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
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In a previous in vitro study, we confirmed that small-caliber nanofibrous polyurethane (PU) vascular grafts have favorable mechanical properties and biocompatibility. In the present study, we examined the in vivo biocompatibility and stability of these grafts. Forty-eight adult male beagle
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