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  嘉鵬新型紙管膠經測試與傳統紙管膠性能相比,新型紙管膠在耐水性、黏度等方面均優于傳統管膠,且固體含量較高。下面給大家分享一下配方及制備方法。

  一、原材料與配方

  PVA 9份 玉米淀粉 10份

  乙酸乙烯酯 35份 增稠劑 1份

  聚丙烯酰胺 1份 乳化劑 1份

  鄰苯二甲酸二丁酯 1份 乙二醇 2.23份

  過硫酸鉀 0.4份自來水 130份

  二、制備方法

 ?、賹⒍康乃尤胨目跓恐?,升溫至60~0,開動攪拌器,然后一次性加入聚乙烯醇(1799)、聚丙烯酰胺、乳化劑、增稠劑和自來水。

 ?、诶^續升溫至90~95℃,保持溫度1h以上,.直至聚乙烯醇(1799)全部溶解。如有雜質和不溶性疙瘩,應過濾后備用:

 ?、鄞垡蚁┐?1799)全部溶解后,降溫至69~71℃,加入3/4過硫酸鉀(少量多次,每小時·1次),并緩慢滴加乙酸乙烯酯(成滴狀,至少滴加1h以上)。

 ?、鼙3譁囟?9~71℃,反應6h左右。

 ?、輰囟壬?5~90℃,加入剩余的1/4過硫酸鉀,反應0.5h左右。

 ?、藿禍刂?5℃左右,加入玉米淀粉,反應1h左右。

 ?、呓禍刂?5℃左右,加入鄰苯二甲酸二丁酯和乙二醇,攪拌o.5h左右。冷奎室溫、過濾、出料。

  以上僅為大概流程,制備過程中可根據實際情況自行調節材料用量,以適應個人需求,如有疑問,歡迎聯系我們。

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