聚乙烯胺对工艺编织纸水性色浆留着率的影响

来源 :纸和造纸 | 被引量 : 0次 | 上传用户:liuzhao256
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
研究聚乙烯胺固着剂对浆料Zeta电位、电导率以及对成纸水性色浆留着率、干强度、湿强度、湿强保留率、吸水性、耐老化性能的影响。结果显示随聚乙烯胺用量的增加,浆料Zeta电位逐渐升高,当用量为0.07%时,Zeta电位由负变正,系统开始不稳定,出现强烈絮聚现象,而体系电导率始终未发生明显变化;随聚乙烯胺用量的增加,成纸水性色浆留着率、干强度、湿强度、湿强保留率均逐渐提高,而吸水性、耐老化性能略微下降,当聚乙烯胺用量为0.05%时,效果最佳,与使用硫酸铝为固着剂的纸样相比,水性色浆留着率大幅升高,△a达到7.75,△E达到11.22,同时强度指标也明显提升,干强度提升5.2%,湿强度提升33.2%,湿强保留率提升26.7%,而吸水性相同,耐老化性能虽有所下降,但仍在相同的色差范围内。 The effects of polyvinylamine fixatives on the Zeta potential and conductivity of the slurry as well as the retention, dry strength, wet strength, retention of wet strength, water absorption and aging resistance of paper pulp aqueous pastes were studied. The results showed that with the increase of the amount of polyvinylamine, the zeta potential of the slurry increased gradually. When the dosage was 0.07%, the Zeta potential changed from negative to positive and the system began to be unstable. The conductivity of the system did not occur With the increase of the amount of polyvinylamine, the water retention, dry strength, wet strength and wet strength retention of the aqueous paper pulp gradually increased while the water absorption and aging resistance decreased slightly. When the amount of polyvinylamine was 0.05%, the effect is the best. Compared with the sample using aluminum sulfate as the fixative, the retention of water-based paste increased greatly, △ a reached 7.75, △ E reached 11.22, and the strength index also improved significantly, and the dry strength increased 5.2%, wet strength increased by 33.2%, wet strength retention increased by 26.7%, while the same water absorption, although the anti-aging properties have declined, but still within the same color range.
其他文献
在革命年代和建设时期,习仲勋为党和国家做出了不可磨灭的贡献,体现出许多让人学习的崇高人格品质。他追寻真理,乐于奉献;爱民如子,心系百姓;廉洁自律,艰苦朴素。他的人格魅
目的观察芍红消结颗粒对子宫内膜异位症大鼠异位组织基质金属酶(MMP)-2 mRNA的影响,探讨其治疗子宫内膜异位症的作用机制。方法半定量逆转录聚合酶链反应技术(RT-PCR)检测EM
[目的]了解大连市糖尿病住院病人分布特点,为制定预防控制策略提供科学依据。[方法]对2006年大连市区(市、县)医疗机构住院糖尿病患者资料进行分析。[结果]合计报告住院糖尿
本文以汽车塑料座椅为例,模拟分析了汽车座椅塑料件制造及使用过程中的应力分布,研究了注塑成型工艺对塑料件力学性能的影响,对以后汽车塑料件的制造具有重要的参考价值。 I
Objective Allergic disease caused by airborne pollen is a major health problem in China. Intensive study on pollen allergens can be of great help for preventing
目的:评价超声在诊断妊娠合并急腹症中的临床应用价值。方法:回顾分析686例妊娠合并急腹症患者的临床资料,总结妊娠合并急腹症超声图像特征。结果:超声诊断符合率为:异位妊娠
目的探讨臭氧冲洗、雾化、药物放入治疗阴道炎的疗效。方法 160例患者随机分为两组,对照组和治疗组各80例。对照组于睡前冲洗阴道,然后放入保妇康栓;治疗组在对照组基础上给
黑龙江省建三江农管局物资处,根据油库防火、灭火的有关规定,采用国内先进技术和设备,在建三江油库内建造了一座96平方米综合高效能灭火站,经试验符合设计要求,已于7月30日投
On a recent evening outside a San Fernando Valley movie theater,a young man startled passersby when he hurled his cellphone onto the sidewalk.As he sheepishly p
请下载后查看,本文暂不支持在线获取查看简介。 Please download to view, this article does not support online access to view profile.