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生物降解颗粒原料的降解性能

生物降解颗粒原料的降解性能

来源网址:https://www.swjjkl.com/ 2020-12-07 16:58:14    

生物降解颗粒原料的降解性能

Degradation performance of biodegradable granular materials
陪替氏培养器定量法在容器中加入试验样品和营养琼脂,接种微生物进行培养,经一定时间后,分析试样的失重情况以及某些物理变化或化学变化。
After a certain period of time, the weight loss of the sample and some physical or chemical changes of the sample were analyzed.
优点:可快速降解,在短时间内获得试验结果,可降解淋膜料,重复性好,定量性好。
Advantages: it can be degraded quickly, the test results can be obtained in a short time, the coating material can be degraded, the repeatability is good, and the quantification is good.
缺点:不能反映自然界中的实际情况。
Disadvantages: can not reflect the actual situation in nature.
生物降解颗粒
 
酶分析法在容器中加入缓冲液和试验样品,让酶作用一定的时间后,分析试样的失重情况,目测霉菌的生长情况,显微镜分析试样物理性能或化学性能的变化。
In enzyme analysis method, buffer solution and test sample are added into the container for enzyme analysis. After the enzyme acts for a certain period of time, the weight loss of the sample is analyzed, the growth of mold is observed visually, and the changes of physical or chemical properties of the sample are analyzed by microscope.
优点:试验周期短,重复性好,定量性好;
Advantages: short test cycle, good repeatability and good quantification;
缺点:不能反映自然界中的实际情况。放i射性C14示踪法用C14标记聚合物产品,在微生物的作用下产生CO2,用碱性溶液吸收,用滴定法测出CO2总量,再用放i射性衰减率法测定C14的CO2量,用C14的CO2占产生的CO2的百分数表示微生物侵蚀的程度。优点是实验结果可信、明确。生物降解性能的测试可以检测样品生物降解性能的优劣。
Disadvantages: can not reflect the actual situation in nature. The radioactive C14 tracer method uses C14 to label polymer products. Under the action of microorganisms, CO2 is produced and absorbed by alkaline solution. The total amount of CO2 is measured by titration method. The CO2 content of C14 is determined by radioactive decay rate method. The degree of microbial erosion is indicated by the percentage of CO2 of C14 in CO2 produced. The results are reliable and reliable. The biodegradability test can be used to test the biodegradability of samples.
生物降解颗粒原料
Biodegradable granular materials
生物降解颗粒原料完全来自于可再生资源,无任何不可降解成分(如聚乙烯、聚丙i烯、聚ben乙烯等)。它主要用于代替现有石油基塑料原料。已开发出包含吹膜、注塑、发泡等不同等级粒子。有石油基塑料原料。已开发出包含吹膜、注塑、发泡等不同等级粒子。
The raw materials of biodegradable particles are completely from renewable resources, without any non degradable components (such as polyethylene, polypropylene I, poly (Ben ethylene). It is mainly used to replace the existing petroleum based plastic raw materials. It has developed different grades of particles including blowing film, injection molding and foaming. There are petroleum based plastic materials. It has developed different grades of particles including blowing film, injection molding and foaming.