Method for determining solid content of ABS by continuous bulk polymerization process
The invention discloses a method for determining solid content of ABS by continuous bulk polymerization process. A sample is added into a certain amount of a mixed solvent with stirring, in order to dissolve more fully, a micro amount of hydroquinone or TBC (p-tert-Butylcatechol) is added; after the...
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| creator | HU SHIQIU WANG NAN ZHU YONGFEI NIE ZHONGFANG ZHOU CHUAN LI YAOBO LI XINJIE LYU TIANYI ZHANG YANTAO HAO CHUNBO WANG YIBO FAN TIEJUN HAN LIJUN WEI YAO LIU WANSHENG YUAN BO |
| description | The invention discloses a method for determining solid content of ABS by continuous bulk polymerization process. A sample is added into a certain amount of a mixed solvent with stirring, in order to dissolve more fully, a micro amount of hydroquinone or TBC (p-tert-Butylcatechol) is added; after the sample is completely dissolved with strong stirring, and the sample is added into a methanol solution drop by drop; the sample is allowed to stand after fully mixing for demixing, and a polymer phase is separated by filtering; the polymer and a filter are placed into a baking oven for drying, and the polymer and the filter are placed in a dryer for natural cooling at room temperature; mass of solids is weighed, and solid content of the sample is calculated. The method can effectively prevent the problem that monomers and a few initiators are remained after treatment of the sample, which can influence the test results. |
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A sample is added into a certain amount of a mixed solvent with stirring, in order to dissolve more fully, a micro amount of hydroquinone or TBC (p-tert-Butylcatechol) is added; after the sample is completely dissolved with strong stirring, and the sample is added into a methanol solution drop by drop; the sample is allowed to stand after fully mixing for demixing, and a polymer phase is separated by filtering; the polymer and a filter are placed into a baking oven for drying, and the polymer and the filter are placed in a dryer for natural cooling at room temperature; mass of solids is weighed, and solid content of the sample is calculated. 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A sample is added into a certain amount of a mixed solvent with stirring, in order to dissolve more fully, a micro amount of hydroquinone or TBC (p-tert-Butylcatechol) is added; after the sample is completely dissolved with strong stirring, and the sample is added into a methanol solution drop by drop; the sample is allowed to stand after fully mixing for demixing, and a polymer phase is separated by filtering; the polymer and a filter are placed into a baking oven for drying, and the polymer and the filter are placed in a dryer for natural cooling at room temperature; mass of solids is weighed, and solid content of the sample is calculated. 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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | Method for determining solid content of ABS by continuous bulk polymerization process |
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