natural polymeric material meaning in English

天然聚合物材料

Chitosan is a biodegradable natural polymeric material having good physical and biological properties . it was reported that chitosan could enhance coagulation , suppress fibroblast growth , and improve interstitial cell growth
壳聚糖是已知天然多糖中唯一的碱性多糖，且具有良好的生物相容性、组织相容性和降解性。
To enhance technical performance level of drilling treating fluid additives , the following measures are suggested by the author i . e . development of specialty materials for drilling fluids additives , further development of novel synthetic resins , deep modification of natural polymeric materials , improving the molecular design of new types of polymers , and etc
建议从研制专用原料、开发新型合成树脂、天然高分子材料深度改性和完善聚合物的分子设计等方面提高钻井液处理剂水平。