CN115197441A - 一种生物凝胶及其节能工艺 - Google Patents
一种生物凝胶及其节能工艺 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract
本发明公开了一种生物凝胶及其节能工艺,包括45.0‑65.0份的A组原料、3.0‑6.0份的B组原料、10.0‑20.0份的C组原料、0.3‑3.0份的D组原料以及2.0‑6.0份的E组原料,本发明的有益效果是,采用聚乳酸以及聚丙交酯‑乙交酯为基础原料,使凝胶可降解,无需特殊处理凝胶,在生产过程中,通过加热与太阳光照相结合的方式对原料进行处理得到凝胶,缩短了加热时间,减少了耗电量,节约了能源。
Description
技术领域
本发明涉及生物凝胶技术领域,特别是一种生物凝胶及其节能工艺。
背景技术
水凝胶(Hydrogel)是一类极为亲水的三维网络结构凝胶,它在水中迅速溶胀并在此溶胀状态可以保持大量体积的水而不溶解。由于存在交联网络,水凝胶可以溶胀和保有大量的水,水的吸收量与交联度密切相关。交联度越高,吸水量越低。这一特性很像一种软组织。水凝胶中的水含量可以低到百分之几,也可以高达99%。凝胶的聚集态既非完全的固体也非完全的液体。固体的行为是一定条件下可维持一定的形状与体积,液体行为是溶质可以从水凝胶中扩散或渗透。
现如今有些凝胶不具有降解的功能,当凝胶废弃时,需要特殊处理,而有些可降解的凝胶在生产中需要对长时间加热,导致耗电量高,能源消耗大,鉴于此,针对上述问题深入研究,遂有本案产生。
发明内容
本发明的目的是为了解决上述问题,设计了一种生物凝胶及其节能工艺,解决了现如今有些凝胶不具有降解的功能,当凝胶废弃时,需要特殊处理,而有些可降解的凝胶在生产中需要对长时间加热,导致耗电量高,能源消耗大的问题。
实现上述目的本发明的技术方案为:一种生物凝胶,包括45.0-65.0份的A组原料、3.0-6.0份的B组原料、10.0-20.0份的C组原料、0.3-3.0份的D组原料以及2.0-6.0份的E组原料。
所述A组原料的组份及各组份的重量份数为:聚乳酸(PLA)25.0-35.0份,聚丙交酯-乙交酯(PLGA)20.0-30.0份。
所述B组原料的组份及各组份的重量份数为:乳酸锌3.0-5.0份或氧化锌3.0-5.0份,有机酸0.1-0.5份。
所述C组原料的组份及各组份的重量份数为:甲苯2.5-5.0份,碳酸钾2.5-4.0份或碳酸钠2.5-4.0份,丙烯酰氯2.0-7.0份,乙醚3.0-7.0份。
所述D组原料的组份及重量份数为:偶氮二异丁腈0.3-3.0份或过氧化二酰0.3-3.0份或过硫酸盐0.3-3.0份。
所述E组原料的组份及重量份数为:二苯甲酮2.0-6.0份或2,4-二羟基二苯甲酮2.0-6.0份或米蚩酮2.0-6.0份。
所述有机酸0.1-0.5份为羧基 (-COOH)0.1-0.5份或磺酸 (R-SO3H)0.1-0.5份或亚磺酸(R-SOOH)0.1-0.5份或硫羧酸(R-SH)0.1-0.5份。
一种生物凝胶的节能工艺,其特征在于,包括以下步骤:步骤一、设备消毒;步骤二、添加A组原料;步骤三、添加B组原料;步骤四、设备控温抽真空;步骤五、C组原料依次添加;步骤六、添加D组原料;步骤七、添加E组原料;步骤八、节能光照;步骤九、储存凝胶;
步骤一、彻底清洗消毒生产设备;
步骤二、将A组原料聚乳酸(PLA)30份以及聚丙交酯-乙交酯(PLGA)25份依次加入反应器中;
步骤三、将B组原料乳酸锌3.5份或氧化锌3.5份以及有机酸0.3份加入反应器中搅拌均匀,搅拌转速为40-75rpm;
步骤四、将反应器抽真空至51~60Pa,反应器内温度控制在115~120℃,反应18小时,搅拌转速为40-75rpm;
步骤五、将步骤四中得到的物质溶解在C组原料中的甲苯4.0份中,温度控制在115~120℃,回流1.5小时,共沸除水,冷却到25℃,然后加入碳酸钾3.0份或碳酸钠3.0份,再加入丙烯酰氯7.0份,在70℃反应28小时,搅拌转速为40-75rpm,之后对得到的产物进行抽滤工作,抽滤工作完成后,在乙醚7.0份中重沉淀,得到大分子单体;
步骤六、将D组原料偶氮二异丁腈2.0份或过氧化二酰2.0份或过硫酸盐2.0份加入所述大分子单体中,控制温度在19℃;
步骤七、将E组原料二苯甲酮5.0份或2,4-二羟基二苯甲酮5.0份或米蚩酮5.0份加入所述大分子单体中,通过太阳光线照射,得到水凝胶;
步骤八、对所述水凝胶进行储存。
所述步骤一中清洗消毒生产设备后,进行校准生产设备工作。
所述步骤八中储存之前,进行停机取样检测,检测合格后进行储存。
利用本发明的技术方案制作的生物凝胶及其节能工艺,采用聚乳酸以及聚丙交酯-乙交酯为基础原料,使凝胶可降解,无需特殊处理凝胶,在生产过程中,通过加热与太阳光照相结合的方式对原料进行处理得到凝胶,缩短了加热时间,减少了耗电量,节约了能源,解决了现如今有些凝胶不具有降解的功能,当凝胶废弃时,需要特殊处理,而有些可降解的凝胶在生产中需要对长时间加热,导致耗电量高,能源消耗大的问题。
附图说明
图1为本发明所述一种生物凝胶及其节能工艺的流程示意图。
具体实施方式
下面结合附图对本发明进行具体描述,如图1所示,一种生物凝胶及其节能工艺。
实施例:
一种生物凝胶,包括45.0-65.0份的A组原料、3.0-6.0份的B组原料、10.0-20.0份的C组原料、0.3-3.0份的D组原料以及2.0-6.0份的E组原料;述A组原料的组份及各组份的重量份数为:聚乳酸(PLA)25.0-35.0份,聚丙交酯-乙交酯(PLGA)20.0-30.0份;所述B组原料的组份及各组份的重量份数为:乳酸锌3.0-5.0份或氧化锌3.0-5.0份,有机酸0.1-0.5份;所述C组原料的组份及各组份的重量份数为:甲苯2.5-5.0份,碳酸钾2.5-4.0份或碳酸钠2.5-4.0份,丙烯酰氯2.0-7.0份,乙醚3.0-7.0份;所述D组原料的组份及重量份数为:偶氮二异丁腈0.3-3.0份或过氧化二酰0.3-3.0份或过硫酸盐0.3-3.0份;所述E组原料的组份及重量份数为:二苯甲酮2.0-6.0份或2,4-二羟基二苯甲酮2.0-6.0份或米蚩酮2.0-6.0份;所述有机酸0.1-0.5份为羧基 (-COOH)0.1-0.5份或磺酸 (R-SO3H)0.1-0.5份或亚磺酸(R-SOOH)0.1-0.5份或硫羧酸(R-SH)0.1-0.5份。
一种生物凝胶的节能工艺,其特征在于,包括以下步骤:步骤一、设备消毒;步骤二、添加A组原料;步骤三、添加B组原料;步骤四、设备控温抽真空;步骤五、C组原料依次添加;步骤六、添加D组原料;步骤七、添加E组原料;步骤八、节能光照;步骤九、储存凝胶;步骤一、彻底清洗消毒生产设备;步骤二、将A组原料聚乳酸(PLA)30份以及聚丙交酯-乙交酯(PLGA)25份依次加入反应器中;步骤三、将B组原料乳酸锌3.5份或氧化锌3.5份以及有机酸0.3份加入反应器中搅拌均匀,搅拌转速为40-75rpm;步骤四、将反应器抽真空至51~60Pa,反应器内温度控制在
115~120℃,反应18小时,搅拌转速为40-75rpm;步骤五、将步骤四中得到的物质溶解在C组原料中的甲苯4.0份中,温度控制在115~120℃,回流1.5小时,共沸除水,冷却到25℃,然后加入碳酸钾3.0份或碳酸钠3.0份,再加入丙烯酰氯7.0份,在70℃反应28小时,搅拌转速为40-75rpm,之后对得到的产物进行抽滤工作,抽滤工作完成后,在乙醚7.0份中重沉淀,得到大分子单体;步骤六、将D组原料偶氮二异丁腈2.0份或过氧化二酰2.0份或过硫酸盐2.0份加入所述大分子单体中,控制温度在19℃;步骤七、将E组原料二苯甲酮5.0份或2,4-二羟基二苯甲酮5.0份或米蚩酮5.0份加入所述大分子单体中,通过太阳光线照射,得到水凝胶;步骤八、对所述水凝胶进行储存;所述步骤一中清洗消毒生产设备后,进行校准生产设备工作;所述步骤八中储存之前,进行停机取样检测,检测合格后进行储存。
A组原料:
聚乳酸,又称聚丙交酯,是以乳酸为主要原料聚合得到的聚酯类聚合物,是一种新型的生物降解材料。
聚丙交酯 - 乙交酯 (PLGA),PLGA 具有良好的生物相容性和生物降解性,降解产物能通过人体正常新陈代谢排出体外,且毒性低,原料廉价。采用上述材料制备的制剂具有常规剂型不具备的特点,如延长释放到几天、几周甚至几个月,具有良好的生物相容性及生物降解能力,可通过注射给药等。利用PLGA及其衍生物作为药物的载体,已经成为药物控制释放应用领域研究的焦点。大分子药物如蛋白质、多肽、疫苗基因、抗原及生长因子等可以很容易的被包裹到PLGA纳米粒或纳米囊中。
B组原料:
乳酸锌(Zinc lactate)是一种有机盐,分子式为C6H10O6Zn,分子量为243.53,锌元素含量占乳酸锌的22.2%。
氧化锌是一种无机物,化学式为ZnO,是锌的一种氧化物。难溶于水,可溶于酸和强碱。氧化锌是一种常用的化学添加剂,广泛地应用于塑料、硅酸盐制品、合成橡胶、润滑油、油漆涂料、药膏、粘合剂、食品、电池、阻燃剂等产品的制作中。氧化锌的能带隙和激子束缚能较大,透明度高,有优异的常温发光性能,在半导体领域的液晶显示器、薄膜晶体管、发光二极管等产品中均有应用。此外,微颗粒的氧化锌作为一种纳米材料也开始在相关领域发挥作用。
有机酸可与醇反应生成酯。羧基是羧酸的官能团,除甲酸(H-COOH)外,羧酸可看做是烃分子中的氢原子被羧基取代后的衍生物。可用通式(Ar)R-COOH表示。羧酸在自然界中常以游离状态或以盐、酯的形式广泛存在。羧酸分子中烃基上的氢原子被其他原子或原子团取代的衍生物叫取代羧酸。重要的取代羧酸有卤代酸、羟基酸、酮酸和氨基酸等。 [2]这些化合物中的一部分参与动植物代谢的生命过羟,有些是代谢的中间产物,有些具有显著的生物活性,能防病、治病,有些是有机合成、工农业生产和医药工业原料。
C组原料:
甲苯大量用作溶剂和高辛烷值汽油添加剂,也是有机化工的重要原料,但与同时从煤和石油得到的苯和二甲苯相比,目前的产量相对过剩,因此相当数量的甲苯用于脱烷基制苯或岐化制二甲苯。甲苯衍生的一系列中间体,广泛用于染料;医药;农药;火炸药;助剂;香料等精细化学品的生产,也用于合成材料工业。甲苯进行侧链氯化得到的一氯苄;二氯苄和三氯苄,包括它们的衍生物苯甲醇;苯甲醛和苯甲酰氯(一般也从苯甲酸光气化得到),在医药;农药;染料,特别是香料合成中应用广泛。甲苯的环氯化产物是农药;医药;染料的中间体。甲苯氧化得到苯甲酸,是重要的食品防腐剂(主要使用其钠盐),也用作有机合成的中间体。甲苯及苯衍生物经磺化制得的中间体,包括对甲苯磺酸及其钠盐;CLT酸;甲苯-2,4-二磺酸;苯甲醛-2,4-二磺酸;甲苯磺酰氯等,用于洗涤剂添加剂,化肥防结块添加剂;有机颜料;医药;染料的生产。甲苯硝化制得大量的中间体。可衍生得到很多最终产品,其中在聚氨酯制品;染料和有机颜料;橡胶助剂;医药;炸药等方面最为重要。
碳酸钾是一种无机物,化学式为K2CO3,分子量为138.206,呈白色结晶粉末,密度2.428g/cm3,熔点891℃。易溶于水,水溶液呈碱性,不溶于乙醇、丙酮和乙醚。吸湿性强,暴露在空气中能吸收二氧化碳和水分,转变为碳酸氢钾,应密封包装。
碳酸钠,是一种无机化合物,分子式为Na2CO3,分子量105.99 ,又叫纯碱,但分类属于盐,不属于碱。国际贸易中又名苏打或碱灰。它是一种重要的无机化工原料,主要用于平板玻璃、玻璃制品和陶瓷釉的生产。还广泛用于生活洗涤、酸类中和以及食品加工等。
D组原料:
丙烯酰氯,无色易燃液体,有腐蚀性和刺激性嗅味。 微溶于水,与乙醇、氯仿、乙醚和石油醚混。用作特殊反应的溶剂,也是农药、医药、香料、涂料的原料。
乙醚是一种有机物,结构式为C2H5OC2H5。外观为为无色透明液体,有特殊刺激气味。带甜味。极易挥发。其蒸汽重于空气。在空气的作用下能氧化成过氧化物、醛和乙酸,暴露于光线下能促进其氧化。
偶氮二异丁腈,简称AIBN,化学式为C8H12N4,溶于甲醇、乙醇、乙醚、丙酮、石油醚和苯胺等有机溶剂。
E组原料:
光引发剂二苯甲酮可用于如下的聚合反应:不饱和预聚物,如丙烯酸酯,配以单或多功能乙烯基单体。用途:光引发剂winureBP是自由基(II)光引发剂,主要用于自由基紫外光固化清漆体系,如UV木器漆、UV纸张上光油、UV涂料、UV油墨、UV粘合剂等,同时也是有机颜料、医药、香料、杀虫剂的中间体。在医药工业中主要用于生产双环己哌啶、苯甲托品氢溴酸盐,苯海拉明盐酸盐等,也是苯乙烯聚合抑制剂和香料定香剂,能赋予香料以甜的气息,广泛用于香水和皂用香精中。
米蚩酮是银白色或带绿色的小叶状晶体,用于合成染料和药物。
上述技术方案仅体现了本发明技术方案的优选技术方案,本技术领域的技术人员对其中某些部分所可能做出的一些变动均体现了本发明的原理,属于本发明的保护范围之内。
Claims (10)
1.一种生物凝胶,其特征在于,包括45.0-65.0份的A组原料、3.0-6.0份的B组原料、10.0-20.0份的C组原料、0.3-3.0份的D组原料以及2.0-6.0份的E组原料。
2.根据权利要求1所述的一种生物凝胶,其特征在于,所述A组原料的组份及各组份的重量份数为:聚乳酸(PLA)25.0-35.0份,聚丙交酯-乙交酯(PLGA)20.0-30.0份。
3.根据权利要求1所述的一种生物凝胶,其特征在于,所述B组原料的组份及各组份的重量份数为:乳酸锌3.0-5.0份或氧化锌3.0-5.0份,有机酸0.1-0.5份。
4.根据权利要求1所述的一种生物凝胶,其特征在于,所述C组原料的组份及各组份的重量份数为:甲苯2.5-5.0份,碳酸钾2.5-4.0份或碳酸钠2.5-4.0份,丙烯酰氯2.0-7.0份,乙醚3.0-7.0份。
5.根据权利要求1所述的一种生物凝胶,其特征在于,所述D组原料的组份及重量份数为:偶氮二异丁腈0.3-3.0份或过氧化二酰0.3-3.0份或过硫酸盐0.3-3.0份。
6.根据权利要求1所述的一种生物凝胶,其特征在于,所述E组原料的组份及重量份数为:二苯甲酮2.0-6.0份或2,4-二羟基二苯甲酮2.0-6.0份或米蚩酮2.0-6.0份。
7.根据权利要求3所述的一种生物凝胶,其特征在于,所述有机酸0.1-0.5份为羧基 (-COOH)0.1-0.5份或磺酸 (R-SO3H)0.1-0.5份或亚磺酸(R-SOOH)0.1-0.5份或硫羧酸(R-SH)0.1-0.5份。
8.一种生物凝胶的节能工艺,其特征在于,包括以下步骤:步骤一、设备消毒;步骤二、添加A组原料;步骤三、添加B组原料;步骤四、设备控温抽真空;步骤五、C组原料依次添加;步骤六、添加D组原料;步骤七、添加E组原料;步骤八、节能光照;步骤九、储存凝胶;
步骤一、彻底清洗消毒生产设备;
步骤二、将A组原料聚乳酸(PLA)30份以及聚丙交酯-乙交酯(PLGA)25份依次加入反应器中;
步骤三、将B组原料乳酸锌3.5份或氧化锌3.5份以及有机酸0.3份加入反应器中搅拌均匀,搅拌转速为40-75rpm;
步骤四、将反应器抽真空至51~60Pa,反应器内温度控制在115~120℃,反应18小时,搅拌转速为40-75rpm;
步骤五、将步骤四中得到的物质溶解在C组原料中的甲苯4.0份中,温度控制在115~120℃,回流1.5小时,共沸除水,冷却到25℃,然后加入碳酸钾3.0份或碳酸钠3.0份,再加入丙烯酰氯7.0份,在70℃反应28小时,搅拌转速为40-75rpm,之后对得到的产物进行抽滤工作,抽滤工作完成后,在乙醚7.0份中重沉淀,得到大分子单体;
步骤六、将D组原料偶氮二异丁腈2.0份或过氧化二酰2.0份或过硫酸盐2.0份加入所述大分子单体中,控制温度在19℃;
步骤七、将E组原料二苯甲酮5.0份或2,4-二羟基二苯甲酮5.0份或米蚩酮5.0份加入所述大分子单体中,通过太阳光线照射,得到水凝胶;
步骤八、对所述水凝胶进行储存。
9.根据权利要求8所述的一种生物凝胶的节能工艺,其特征在于,所述步骤一中清洗消毒生产设备后,进行校准生产设备工作。
10.根据权利要求8所述的一种生物凝胶的节能工艺,其特征在于,所述步骤八中储存之前,进行停机取样检测,检测合格后进行储存。
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