摘要:利用表面分子印跡技術和溶膠-凝膠法制備鉛離子印跡聚合物，以硝酸鉛為模板分子，殼聚糖為功能單體，硅膠為載體，γ-(2,3環氧丙氧)丙基三甲氧基硅烷(KH-560)為交聯劑，通過單因素和正交實驗對制備工藝中模板分子與交聯劑的比例，殼聚糖的用量，交聯反應時間，凝膠干燥溫度等因素進行探討。確定鉛離子印跡聚合物的最佳工藝：模板分子與交聯劑的摩爾比為1:18，殼聚糖的用量為1.8 g，交聯反應時間為5 h，凝膠聚合物干燥的溫度為50 ℃，硅膠在聚合物中用量為1.5 g，采用3 mol/L的鹽酸在超聲條件下進行洗脫。在此條件下，制備出的最優化聚合物，其最大飽和吸附量達到22.7 mg/g。

關鍵詞 印跡聚合物；分子印跡技術；溶膠-凝膠法；凝膠干燥溫度；超聲

Abstract:Using surface molecular imprinted technology and Sol-coagulation rubber method preparation lead ion imprinted polymer, to nitrate lead for template molecular, shell poly sugar for features monomer, silicone for carrier, γ-(2,3-glycidoxypropyl) as base three methyl oxygen base Silicon (KH-560) for cross Alliance agent, through single factors and orthogonal experiment on preparation technology in the template molecular and cross Alliance agent of proportion, shell poly sugar of dosage, cross Alliance reaction time, coagulation rubber dry temperature, factors for discussion.Determine the optimal process of lead ion imprinted polymer: moerbi of the template molecules and cross-linking agent for 1:18, 1.8 g of Chitosan, Crosslinking reaction time of 5 h, gel polymer drying temperature of 50 ℃, silicone polymers with the capacity of 1.5 g, 3 mol/l hydrochloric acid under ultrasonic conditions for Elution.Under these conditions, optimal preparation of polymers, it reached a maximum amount of saturated absorption 22.7 mg/g.

Keywords  Imprinted Polymers  Surface molecular imprinting technique  Sol - gel method    Gel drying temperature  Ultrasound