CN1233699C - 淀粉微球的合成方法 - Google Patents

淀粉微球的合成方法 Download PDF

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CN1233699C
CN1233699C CN 02139572 CN02139572A CN1233699C CN 1233699 C CN1233699 C CN 1233699C CN 02139572 CN02139572 CN 02139572 CN 02139572 A CN02139572 A CN 02139572A CN 1233699 C CN1233699 C CN 1233699C
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starch
microsphere
agent
product
present
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CN1502648A (zh
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李仲谨
马素德
郝明德
杨芳娥
魏红
杨莲丽
苏秀霞
白国强
朱敏
郭炎
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Shaanxi University of Science and Technology
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Shaanxi University of Science and Technology
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Abstract

本发明涉及一种化工用品,具体的说是一种吸附剂的合成方法即淀粉微球的合成方法。本发明在一定的温度下和一定的反应时间内,在高效的催化剂和在表面活性剂的作用下,在分散剂中合成淀粉微球。整个反应可以在4小时之内完成、成球时间1小时以内,反应时间短,单体价格低,所得微球的成本较现有产品大大降低,使淀粉微球在更广阔领域的开发为可能。所得微球除了用作药物载体之外还可以用作香精等多种物质的吸附剂,以及减肥食品、纸张增强剂和污水处理剂等。

Description

淀粉微球的合成方法
                         (一)技术领域
本发明涉及一种化工用品,具体的说是一种吸附剂的合成方法即淀粉微球的合成方法。
                         (二)背景技术
目前的淀粉微球,合成时间过长(一般需10小时以上),其所用的单体及助剂价格也较高,因而成本过高,长期以来它只能用作药物的载体,而无法在其它领域得到充分应用。
                         (三)发明内容
本发明解决了淀粉微球合成时间长,成本高的问题。本发明是通过一下步骤来完成的:(1)将普通淀粉加水调成糊状,在pH=10,80℃对淀粉进行活化0.5h,得待用的精制淀粉:(2)选择合适的丙烯酰胺类单体,使之与待用淀粉发生交联反应,其交联温度为50℃~70℃,交联时间为3~4小时,搅拌速度在600转/分以上,反应时所需的引发剂为氧化还原体系引发剂,分散剂为低色度的植物油,表面活性剂为span系列;(3)将植物油倒出,用酯类充分涤洗其产物,使产物在55℃~65℃的真空中烘干。本发明所合成的微球不但粒径较小,粒径范围分布窄,且合成时间短,成本低,从而使淀粉微球的应用领域充分得到扩展,不仅可以用作药物的载体,还可用作芳香剂,卫生材料,纸张增强剂及填料,污水处理等。由于微球具有一定的比较容易控制的降解时间,加入一些辅料以后还可制作一种新型的减肥食品。
                         (四)附图说明
附图为本发明的工艺流程图。
                        (五)具体实施方式
取马铃薯淀粉7g加水调成糊状,在pH=10,80℃下活化0.5h。在三口烧瓶中加入100ml植物油,0.4gspan60,60℃加热溶解,将活化后的淀粉加入,高速搅拌,待淀粉充分分散后加入一定量的交联剂、引发剂在一定温度下反应4h。
将植物油倒出,用乙酸乙酯充分洗涤产物,减压抽滤,将所得的产物在60℃下减压干燥,最终得到白色到淡黄色的淀粉微球,粒径在50μm,分布范围窄,对亚甲基蓝的吸附量为2g/g左右(不同的模型药物吸附量不同)。

Claims (1)

  1. 一种淀粉微球的合成方法,其持特征在于:(1)将普通淀粉加水调成糊状,在pH=10,80℃对淀粉进行活化0.5h,得待用的精制淀粉;(2)选择合适的丙烯酰胺类单体,使之与待用淀粉发生交联反应,其交联温度为50℃~70℃,交联时间为3~4小时,搅拌速度在600转/分以上,反应时所需的引发剂为氧化还原体系引发剂,分散剂为低色度的植物油,表面活性剂为span系列;(3)将植物油倒出,用酯类充分涤洗其产物,使产物在55℃~65℃的真空中烘干。
CN 02139572 2002-11-22 2002-11-22 淀粉微球的合成方法 Expired - Fee Related CN1233699C (zh)

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CN1233699C true CN1233699C (zh) 2005-12-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100406648C (zh) * 2006-04-14 2008-07-30 张钊 可生物降解纸浆模塑增强剂及其制备工艺

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100363133C (zh) * 2005-11-25 2008-01-23 北京科技大学 一种制备金属小球的方法及其装置
CN100460514C (zh) * 2006-11-14 2009-02-11 华南理工大学 淀粉基固定化酶载体的制备方法
CN100462391C (zh) * 2007-04-28 2009-02-18 西安医学院 核壳型淀粉微球的合成方法
CN101215385B (zh) * 2008-01-16 2010-06-23 西南大学 纳米淀粉粉体的制备方法
EP2246472A1 (en) 2009-03-24 2010-11-03 Mondi Limited South Africa Process for preparing polysaccharide gel particles and pulp furnish for use in paper making
EP2246366A1 (en) 2009-03-24 2010-11-03 Mondi Limited South Africa Process and device for preparing starch microgel particles for the paper industry
CN101574638B (zh) * 2009-06-15 2012-04-18 中国农业大学 一种淀粉纳米微球及其制备方法
CN102372785A (zh) * 2010-08-07 2012-03-14 江苏天麟生物医药科技有限公司 简单易行从微乳液体系中合成变性淀粉微球
CN103409250A (zh) * 2013-07-18 2013-11-27 吴江市利达上光制品有限公司 一种水果专用洗涤精的制备方法
CN106120009B (zh) * 2016-06-28 2018-11-16 扬州市其乐纤维科技有限公司 一种水泥基透光材料用透光纤维的制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100406648C (zh) * 2006-04-14 2008-07-30 张钊 可生物降解纸浆模塑增强剂及其制备工艺

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