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| Effect of Chloropropanol Content in PAE Wet Strength Agents on Chloropropanol Content in Paper Water Extractions |
| Received:September 19, 2023 |
| DOI：10.11980/j.issn.0254-508X.2024.01.017 |
| Key Words:chloropropanol wet strength agent content paper water extraction |
| Fund Project:国家重点研发计划项目（2022YFF0607200）。 |
| Author Name | Affiliation | Postcode | | MU Zitong* | Guangzhou Customs Technology Center, Guangzhou, Guangdong Province, 510623 | 510623 | | ZENG Ying | Guangzhou Customs Technology Center, Guangzhou, Guangdong Province, 510623 | 510623 | | DUAN Yipin | Guangzhou Customs Technology Center, Guangzhou, Guangdong Province, 510623 | 510623 | | LUO Mingxiang | Shanghai Solenis Special Chemicals Co., Ltd., Shanghai, 201108 | 201108 | | SUN Bo | Shanghai Solenis Special Chemicals Co., Ltd., Shanghai, 201108 | 201108 | | XU Jiangfeng | Shanghai Solenis Special Chemicals Co., Ltd., Shanghai, 201108 | 201108 | | WANG Denghui | Shanghai Solenis Special Chemicals Co., Ltd., Shanghai, 201108 | 201108 | | WU Zechun | Guangzhou Customs Technology Center, Guangzhou, Guangdong Province, 510623 | 510623 | | LI Dan | Guangzhou Customs Technology Center, Guangzhou, Guangdong Province, 510623 | 510623 | | LI Hao | Guangzhou Customs Technology Center, Guangzhou, Guangdong Province, 510623 | 510623 | | ZHONG Huaining | Guangzhou Customs Technology Center, Guangzhou, Guangdong Province, 510623 | 510623 |
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| Abstract:In order to detect the chloropropanol content in the polyamide-epichlorohydrin （PAE） wet strength agents， this study established gas chromatography-mass spectrometry （GC-MS） method to detect the content of 1，3-dichloro-2-propanol （1，3-DCP） and 3-chloro-1，2-propanediol （3-MCPD）. At the same time， the relationship between chloropropanol content in PAE wet strength agents and in paper water extractions was studied by adding wet strength agents. The content of 1，3-DCP and 3-MCPD decreased significantly with the improvement of the manufacturing process of a certain wet strength agent in 4 batches. The chloropropanol content in water extraction and the tensile strength of the papers were tested by adjusting the dosage of wet strength agent and retention aid. The results showed that the chloropropanol content in paper water extraction was positively correlated with its content in the wet strength agent and was directly proportional to the dosage of wet strength agent. When the actual dosage of retention aid exceeded the recommended dosage of manufacturer， the extracted chloropropanol content showed no significant relationship with the retention aid dosage， but it would cause the wet and dry tensile strength of paper to decline. |
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