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粉体应用

应用

轻质碳酸钙在低定量轻型印刷纸中的应用

介绍了轻质碳酸钙(PCC)作填料在低定量轻型印刷纸中的使用效果。实践表明,使用轻质碳酸钙做填料后,成纸不透明度、白度、松厚度得到明显提高;平滑度、细腻度、针刺眼得到改善;但成纸的施胶度、抗张强度及表面强度受到影响。 The application effect of precipitated calcium carbonate(PCC) in filling low density printing paper was introduced.The practice indicated that the opacity,brightness and bulk of the printing paper were significantly improved by using PCC as filler.The paper smoothnes,exquisiteness were enhanced while the pinhele on paper were reduced.However,the sizing degree,tensile strength and surface strength were damaged to some extent....

4829

2008-06-26

应用

纳米级碳酸钙在天然橡胶胶乳手套中的应用研究

该文作者通过透射电子显微镜(TEM)观察发现,纳米级的填料在天然橡胶胶乳手套中以群集状态存在,填料的掺入对手套的性能并没有产生不利的影响。这种手套能阻隔直径为27nm的￠X174病毒透过,表明微晶碳酸钙嵌入到手套中不会导致手套出现超过2μm的孔洞,也不会影响手套中可抽提蛋白质和抗原蛋白质的含量。试验表明,手套的硬性、挺度随着填料的增加而提高。...

5368

2008-06-26

应用

用高质量细磨硅灰石作胶料填充剂

研究了用高纯度细磨硅灰石作橡胶制品填料的可行性,并与用硅灰石精矿和高岭土作填料的胶料进行了比较。...

27412

2008-06-03

应用

无机微纳粉体在管材管件中的应用

采用偶联处理剂对无机微纳粉体进行表面改性和处理技术,制备了功能性添加剂并将其应用在管材和管件产品中。结果表明:本功能性添加剂复合体系的力学性能较未改性无机微纳粉体的复合体系有很大提高,且其复合材料生产的制品外观、相容性和可加工性均优于未改性无机微纳粉体制品。...

4468

2008-05-26

应用

硅微粉填料在覆铜板中应用的研究进展

近年,在CCL的新品开发、性能改进方面,采用无机填料的技术已成很重要的手段。而在众多无机填料中,硅微粉越来越突出其重要地位。文章主要通过介绍、分析日本近年发表的此方面专利内容,阐述CCL业在硅微粉应用技术方面的新进展。...

27184

2008-04-03

应用

沉淀碳酸钙在灰底白板纸中的应用

主要研究了轻钙在灰底白板纸涂料中的应用。灰底白板纸具有良好的印刷适性,同时具有较好的强度,广泛应用于商品的包装。轻钙应用于灰底白板纸涂料的面涂中,可以取代价格较高的锻烧高岭土和进口瓷土,在降低生产成本的同时,可以进一步改善成纸的光泽度、油墨吸收性和油墨吸收速度。...

26659

2008-03-04

应用

相容剂的制备及其在纳米碳酸钙填充高密度聚乙烯中的应用

通过熔融接枝的方法制备了高分子型界面相容剂HDPE-g-MMH,并将其应用于HDPE/CaCO3填充体系,考查了HDPE-g-MAH对HDPE/CaCO3填充体系的增容效果和增容机理。结果显示,HDPE-g-MAH有效提高了HDPE/CaCO3两相组分的界面黏结,使复合材料的力学性能有明显的改善。 Interfacial compatibilizer HDPE-g-MAH for nano-meter CaCO3/HDPE composite was prepared by means of melt extrusion-grafting. The effect and mechanism of HDPE-g-MAH on the composite were studied. The result showed interface bonding was formed between nano-meter CaCO3 and HDPE matrix, which improved the mechanical properties of the composite obviously....

26266

2008-03-04

应用

纳米碳酸钙在PVC型材中应用研究

研究纳米碳酸钙(CaCO_3)在PVC/CPE体系中的应用,讨论了改进前后纳米CaCO_3对PVC体系流变行为的影响,并测试了纳米CaCO_3对型材性能的影响。结果表明,改进后纳米CaCO_3 P100流变性接近生产试样,可用于挤出生产;改进后的纳米CaCO_3显著提高了型材的性能,可增韧增强PVC复合体系。 Use of nanometer calcium carbonate(CaCO_3)in PVC/CPE was studied,effects of nano- CaCO_3 prior and after modification on rheological behaviour of PVC sustemwere discussed and effects of nano-CaCO_3 on performance of the profile were tested.Testing results showed that rheology of the nano-CaCO_3 P100 after modification was almost the same as that of the sample.The nano-CaCO_3 P100 after modification enhanced performance of the profile could be used for extrusion to toughen PVC composite system.K...

27221

2007-12-24

应用

造纸工业用填料的改性及应用

介绍了造纸用填料的基本性质,综述了填料改性的原理和技术,指出造纸用填料的改性的重要意义。 This review introduced the properties of filler used in paper making,and summarized the principle and technology of filler modification.It pointed out that the filler modifying technology plays an important role in the paper making industry....

4087

2007-12-05

应用

改善碳酸钙加填纸强度性能的研究进展

从预絮聚技术、纤维细胞内加填技术、细小纤维/碳酸钙复合技术及表面改性技术等方面,对改善碳酸钙加填纸强度性能的技术进行了综述,指出了相关研究、开发及应用的重要性。 In this paper, some of the emerging techniques relating to calcium carbonate application including pre-? occulation, lumen loading, cell wall loading, fi nes-calcium carbonate composite, surface modifi cation of calcium carbonate and newly-structured functional synthetic calcium carbonate were reviewed in depth, and the signifi cance of further exploration and applications of such techniques was also emphasized....

4535

2007-08-29

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