The copolymers were characterized by means of1H-NMR, FT-IR, the water absorption, hydrolytic degradation and the inherent viscosity. 利用1H-NMR、FT-IR、特性粘数测定,吸水率和水降解测试等方法对共聚物的组成结构和降解性能进行研究。
When the content of PEG is high, hydrolytic degradation rate of the copolymer was relatively fast. 当PEG含量较高时,PEG从聚合物链上断裂溶解使得聚合物的降解速率相对较快;
Synthesis and Hydrolytic Degradation Behavior of Biodegradable PBT/ PEG Block Copolymers 可降解PBT/PEG共聚物的合成及降解行为研究
Studies on hydrolytic degradation of poly ( dioxanone-co-glycolide) monofilament suture in vitro 聚对二氧环己酮-乙交酯缝合线体外降解研究
Synthesis, characterization and hydrolytic degradation of aliphatic poly ( ester-amide) copolymers 脂肪族聚酯-酰胺共聚物的合成、表征及降解
Burnt-out Process of Hydrolytic Degradation with Low Temperature Steep for Acetate/ Polyester Fabrics 醋/涤织物的低温堆置水解烂花工艺
The hydrolytic degradation behavior of these copolymers were also studied. 同时对材料的水解降解行为进行了研究,结果发现:随着TDI的加入,材料的降解速度减慢;
The melt viscosities of different components of polypropylene/ easy hydrolytic degradation polyester ( PP/ EHDPET) blend system were measured at different spinning temperatures and shearing rates. 以聚丙烯(PP)/易水解聚酯(EHDPET)共混体系为研究对象,测试了共混组分在不同加工温度与不同剪切速率下的熔体粘度。
The early hydrolytic degradation behavior of PLA/ PCL 、 PELA/ PECL blends 可生物降解PLA/PCL、PELA/PECL高分子共混体系的早期降解行为&相结构与降解性能的关系
Chitosanase, which catalyze the hydrolytic degradation of chitosan, can be used for preparation of functional COSs. 壳聚糖酶是专一性降解壳聚糖的水解酶,可用于功能性壳寡糖的制备。