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| Influence of Inorganic Used on the Properties of Modified Melamine Formaldehyde as the Wet Strength Agent |
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| DOI：10.11981/j.issn.1000-6842.2015.03.10 |
| Key Words:melamine formaldehyde resin; wet tensile strength; ammonium persulfate; sodium hydrogen sulfite |
| Author Name | Affiliation | | 李一泽1 | 1.天津科技大学材料与化学工程学院,天津市制浆造纸重点实验室,天津,300457 | | 杨路明1 | 1.天津科技大学材料与化学工程学院,天津市制浆造纸重点实验室,天津,300457 | | 王成钰1 | 1.天津科技大学材料与化学工程学院,天津市制浆造纸重点实验室,天津,300457 | | 郭虎祥1 | 1.天津科技大学材料与化学工程学院,天津市制浆造纸重点实验室,天津,300457 | | 查瑞涛1,2,* | 2.国家纳米科学中心,北京,100090 |
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| Abstract: |
| The synthesis and modification of melamine formaldehyde resin by adding ammonium persulfate solely or both ammonium persulfate and sodium hydrogen sulfite at the same time were studied in this paper. When n(melamine)∶n(formaldehyde)∶n(methanol)∶n(ammonium persulfate)=100∶330∶450∶1 was applied, wet tensile strength of the paper adding modified melamine formaldehyde resin increased by 14.7% compared to adding unmodified resin. When ammonium persulfate and sodium hydrogen sulfite were used at the same time and n(melamine)∶n(formaldehyde)∶n(methanol)∶n(ammonium persulfate)∶n(sodium hydrogen sulfite)=100∶330∶450∶2∶0.9 was applied, wet tensile strength of the paper adding modified melamine formaldehyde resin increased by 13.6% compared to adding unmodified resin. It was concluded that using ammonium persulfate solely was more effective than using both ammonium persulfate and sodium hydrogen sulfite at the same time. |
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