JP7026619B2 - 乾燥強度剤組成物及び紙の乾燥強度を向上させる方法 - Google Patents
乾燥強度剤組成物及び紙の乾燥強度を向上させる方法 Download PDFInfo
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- D21H17/20—Macromolecular organic compounds
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- D21H17/33—Synthetic macromolecular compounds
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Description
(a)パルプスラリーを提供する工程と、それと同時にまたはその前もしくは後に、
(b)上記の乾燥強度剤組成物を提供する工程と、
(c)乾燥強度組成物を紙スラリーに添加して紙ストックを得る工程と、を含む。
第1の成分:約500,000g/molの数平均分子量及び約4.2meq/gのカチオン電荷密度を有するジアリルとアクリルアミドとのコポリマー(C1と称する)であって、ジアリルアミンのアクリルアミドに対するモル比が約35:65である、コポリマー。
第1の成分:実施例1に従うC1。
第1の成分:約500,000g/molの数平均分子量及び約1.8meq/gのカチオン電荷密度を有するジアリルアミンとアクリルアミドとのコポリマー(C2と称する)であって、ジアリルアミンとアクリルアミドのモル比が約15:85である、コポリマー。
第1の成分:実施例1に従うC1。
第1の成分:実施例1に従うC1。
第1の成分:実施例3に従うC2。
対照試験:2つの成分からなる乾燥強度剤組成物を使用する(そのうち一方は実施例1に従うC1であり、他方はジアリルジメチルアンモニウムクロライドとアクリルアミドの12:88のモル比のグリオキサール化カチオン性コポリマーであり、このコポリマーは約0.3meq/gの電荷密度及び約500,000g/molの数平均分子量を有していた)。
この最後の実施例は図1に関し、標準的なカチオン強度薬剤/アニオン性ポリマーの組み合わせよりも良好に機能するアミン乾燥強度薬剤/アニオン性ポリマーの組み合わせを示す。図1から分かるように、カチオン性ポリマーまたはデンプンとアニオン性ポリマーとの組み合わせと対比して、アミン及びアニオンの組み合わせに明らかな利点が存在する。図1では、アミン含有ポリマーは、上述のC1と同じであり、アニオン性ポリマーはA1Gであった。
Claims (17)
- 前記アミン含有カチオン性ポリマーのモノマーの少なくとも1~99mol%が、第2級アミン含有ビニルまたはアリルモノマーである、請求項1に記載の乾燥強度剤組成物。
- 前記アミン系モノマーが、構造IIによって表されるジアリルアミンである、請求項1に記載の乾燥強度剤組成物。
- 前記アミン含有カチオン性ポリマーが、非イオン性モノマー、カチオン性モノマー、及びこれらの任意の組み合わせからなる群から選択される少なくとも1種のビニル付加モノマーを含む、請求項1~3のいずれか1項に記載の乾燥強度剤組成物。
- 前記非イオン性モノマーが、アクリルアミドまたはメタクリルアミドから選択される、請求項4に記載の乾燥強度剤組成物。
- 前記カチオン性モノマーが、ジアリルジメチルアンモニウムクロライドである、請求項4に記載の乾燥強度剤組成物。
- 前記アミン含有カチオン性ポリマーがホフマン分解から得られず、ポリエチレンアミン単位を含有しない、請求項1~6のいずれか1項に記載の乾燥強度剤組成物。
- 前記第2の成分の前記アニオン性ポリマーが、1種以上のアクリルアミドモノマー及び1種以上のアニオン性モノマーによって形成されるアクリルアミドコポリマーである、請求項1~6のいずれか1項に記載の乾燥強度剤組成物。
- 前記第2の成分の前記両性ポリマーが、1種以上のアクリルアミドモノマー、1種以上のカチオン性モノマー、及び1種以上のアニオン性モノマーによって形成されるアクリルアミドコポリマーである、請求項1~6のいずれか1項に記載の乾燥強度剤組成物。
- 前記アニオン性モノマーが、アクリル酸、メタクリル酸、アリルスルホン酸、メチルアリルスルホン酸、1-アクリルアミド-2-メチル-1-プロパンスルホン酸、これらの対応する塩、及びこれらの任意の組み合わせから選択される、請求項8または9に記載の乾燥強度剤組成物。
- 前記第2の成分の前記両性ポリマー中の前記カチオン性モノマーが、メタクリロイルオキシエチルトリメチルアンモニウムクロライド、アクリロイルオキシエチルトリメチルアンモニウムクロライド、メタクリロイルオキシエチルジメチルベンジルアンモニウムクロライド、アクリロイルオキシエチルジメチルベンジルアンモニウムクロライド、(3-アクリルアミドプロピル)トリメチルアンモニウムクロライド、メタクリルアミドプロピルトリメチルアンモニウムクロライド、3-アクリルアミド-3-メチルブチルトリメチルアンモニウムクロライド、2-ビニルピリジン、2-(ジメチルアミノ)エチルメタクリレート、2-(ジメチルアミノ)エチルアクリレート、ジアリルアミン、トリアリルアミン、ジアリルジメチルアンモニウムクロライド、N-(3-ジメチルアミノプロピル)アクリルアミド、N-(3-ジメチルアミノプロピル)メタクリルアミド、N-(3-ジメチルアミノエチル)アクリルアミド、N-(3-ジメチルアミノエチル)メタクリルアミド、トリメチル-2-アクリロイルオキシエチルアンモニウムクロライド、トリメチル-2-メタクリロイルオキシエチルアンモニウムクロライド、2-(ジメチルアミノ)エチルアクリレート、2-(ジメチルアミノ)エチルメタクリレート、及びこれらの任意の組み合わせからなる群から選択される1種以上である、請求項9に記載の乾燥強度剤組成物。
- 前記第2の成分が、ジアルデヒド化合物で架橋されている、請求項1~11のいずれか1項に記載の乾燥強度剤組成物。
- 前記第1の成分と前記第2の成分との重量比が、1:99~99:1の範囲である、請求項1~12のいずれか1項に記載の乾燥強度剤組成物。
- 前記アミン含有カチオン性ポリマーが、ジアリルアミン及び(メタ)アクリルアミドを含むコポリマーである、請求項1~13のいずれか1項に記載の乾燥強度剤組成物。
- 製紙プロセスにおいて紙の乾燥強度を向上させるための方法であって、
(a)パルプスラリーを提供することと、
(b)請求項1~14のいずれか1項に記載の乾燥強度剤組成物を提供することと、
(c)前記乾燥強度剤組成物を前記パルプスラリーに添加して紙ストックを得ることと、を含む、方法。 - 前記乾燥強度剤組成物が、パルプ原料を基準として0.01~50kg/tの量で使用される、請求項15に記載の方法。
- アミン含有カチオン性ポリマーと、請求項1~14のいずれか1項に記載の第2の成分とを含む組成物の、紙の乾燥強度を改善するための使用。
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CN201511025285.5A CN106930142B (zh) | 2015-12-31 | 2015-12-31 | 干强剂组合物以及提高纸张干强度的方法 |
CN201511025285.5 | 2015-12-31 | ||
PCT/CN2016/113329 WO2017114478A1 (en) | 2015-12-31 | 2016-12-30 | Dry strength agent composition and method for enhancing the dry strength of paper |
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CN107447582B (zh) * | 2016-06-01 | 2022-04-12 | 艺康美国股份有限公司 | 用于在高电荷需求系统中造纸的高效强度方案 |
BR112020005503B1 (pt) | 2017-09-19 | 2023-04-04 | Kemira Oyj | Sistema de aditivo e composição de polímero que aprimora resistência de papel, uso dos mesmos e fabricação de produtos de papel |
WO2020028158A1 (en) * | 2018-07-30 | 2020-02-06 | Ecolab Usa Inc. | Salt-tolerant, fast-dissolving, water-soluble rheology modifiers |
CN111663367A (zh) * | 2019-03-08 | 2020-09-15 | 天津大学 | 基于cmc-na液体体系制浆造纸清洁生产的制造方法 |
CN110029526B (zh) * | 2019-03-15 | 2021-09-24 | 中国科学院宁波材料技术与工程研究所 | 纸张干强剂、纸张干强剂的制备方法及其应用 |
CN110219204B (zh) * | 2019-06-17 | 2021-12-07 | 南昌市龙然实业有限公司 | 一种抗湿的牛皮纸用干强剂及其制备方法 |
CA3140016A1 (en) * | 2019-06-24 | 2020-12-30 | Joonas LIKANDER | Polymeric structure and its uses |
CN110407974B (zh) * | 2019-08-15 | 2021-09-21 | 浙江传化华洋化工有限公司 | 一种可交联两性聚丙烯酰胺聚合物的制备方法 |
KR20220111279A (ko) * | 2019-12-23 | 2022-08-09 | 케미라 오와이제이 | 종이, 판지 등의 제조에 사용하기 위한 조성물 및 이의 용도 |
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EP3397811A4 (en) | 2019-05-22 |
US10704201B2 (en) | 2020-07-07 |
CN106930142A (zh) | 2017-07-07 |
JP2019502035A (ja) | 2019-01-24 |
EP3397811A1 (en) | 2018-11-07 |
BR112018007809B1 (pt) | 2022-07-19 |
US20180320316A1 (en) | 2018-11-08 |
WO2017114478A1 (en) | 2017-07-06 |
BR112018007809A2 (pt) | 2018-10-30 |
CN106930142B (zh) | 2020-03-24 |
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