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A polyvinyl alcohol-based polymer obtained by saponifying a copolymer of a vinyl ester monomer and a trifunctional monomer, the polyvinyl alcohol-based polymer being characterized in that the average degree of polymerization of the polyvinyl alcohol-based polymer as measured by the method described in JIS K 6726: 1994 is 3000-6000, and the average number of reactions of unsaturated sites of the trifunctional monomer is 1.7-2.3.
聚乙烯醇系聚合物，其是通过乙烯酯单体与三官能性单体的共聚物的皂化而得到的聚乙烯醇系聚合物，其特征在于，聚乙烯醇系聚合物的利用JIS K 6726:1994中记载的方法测定的平均聚合度为3000～6000，三官能性单体的不饱和性部位的平均反应数为1.7～2.3。
A polyvinyl alcohol-based polymer obtained by saponifying a copolymer of a vinyl ester monomer and a trifunctional monomer, the polyvinyl alcohol-based polymer being characterized in that the average degree of polymerization of the polyvinyl alcohol-based polymer as measured by the method described in JIS K 6726: 1994 is 3000-6000, and the average number of reactions of unsaturated sites of the trifunctional monomer is 1.7-2.3.
聚乙烯醇系聚合物，其是通过乙烯酯单体与三官能性单体的共聚物的皂化而得到的聚乙烯醇系聚合物，其特征在于，聚乙烯醇系聚合物的利用JIS K 6726:1994中记载的方法测定的平均聚合度为3000～6000，三官能性单体的不饱和性部位的平均反应数为1.7～2.3。
Polyvinyl alcohol polymer
聚乙烯醇系聚合物
YAMASHITA AKIHIRO (author)
2024-12-27
Patent
Electronic Resource
Chinese
IPC:
C08F
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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C04B
Kalk
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LIME
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C09K
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