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1)  PPTA pulp
PPTA浆粕
1.
PPTA pulp is important to forming of PPTA paper, but it is hard to characterize because of its complex morphology.
本文通过比表面积、扫描电镜(SEM)和长径比等测试方法研究了PPTA浆粕的形态结构,用打浆度和动态滤水性的测定来表征PPTA浆粕的滤水性能,并分析了各浆粕的抄纸性能。
2)  poly (p-phenylene terephthalamide) pulp
聚对苯二甲酰对苯二胺(PPTA)浆粕
3)  pulps [英][pʌlp]  [美][pʌlp]
浆粕
1.
Polyacrylonitrile(PAN)and Poly(m-phenyleneisophthalamide) (PMIA) were dissolved in N,N-dimethylacetamide(DMAc), and blend pulps with high specific surface area were obtained from the blend solution by precipitation method.
将聚丙烯腈(PAN)与聚间苯二甲酰间苯二胺(PMIA)溶解于N,N-二甲基乙酰胺(DMAc)中配制成共混浆液,并采用沉析法制备得到了高比表面积的PAN/PMIA共混浆粕。
2.
The surfaces of the resultant pulps were observed by scanning electron microscope and specific surface areas were measured by BET method.
采用沉析法制备得到了高比表面积的聚丙烯腈(PAN)腈纶浆粕,系统地研究了沉析过程中各工艺参数对PAN浆粕成形的影响。
4)  pulp [英][pʌlp]  [美][pʌlp]
浆粕
1.
Study of cellulose pulp activated by electron beam irradiation;
电子束活化纤维素浆粕的研究
2.
Structure and property of wood pulp and tissue spunlace composite nonwovens;
浆粕及木浆纸水刺非织造布的结构与性能
3.
Emerging, Influence and Removal of Foam in the Treatment of Pulp Wastewater;
泡沫在浆粕黑液生化处理中的产生、影响与去除
5)  aramid pulp
芳纶浆粕
1.
Structure and properties of new aramid pulp short fibre/CR composite;
新型芳纶浆粕短纤维补强CR复合材料结构与性能的研究
2.
Application of aramid pulp fibres in NR/BR tire tread;
芳纶浆粕纤维在NR/BR胎面胶中的应用研究
3.
Study on the reinforcing characteristics of aramid pulp ultrafine short fibers in CR matrix;
芳纶浆粕纤维对CR基质补强特性的研究
6)  PPTA-pulp
芳纶浆粕
1.
Study on Structure and Property of PPTA-pulp/PA6 Composite;
芳纶浆粕纤维增强尼龙材料的结构与性能研究
2.
Test production of PPTA-Pulp;
对位芳纶浆粕的中试生产
补充资料:PPTA
分子式:
CAS号:

性质: 一种全芳香族聚酰胺。商品名凯夫拉(Kevlar)。具有相对密度小,比强度、比弹性模量高、耐热、化学稳定性优异等特点。由对苯二胺和对苯二甲酰氯经低温溶液聚合制造。主要制造纤维和织物。具有代表性的“凯夫拉-29”纤维特性如下:相对密度d=1.44,拉伸强度2744MPa(是已知纺丝纤维中最高的),拉伸弹性模量62.7×106MPa,200℃,1000h强度保持率60%,热分解温度500℃。大量用于帘子线和轮胎、皮带、软管增强材料、特殊用途绳缆,热防护、防弹材料,用“Kevlar”纤维增强的复合材料还大量用于飞机制造业和宇航工业。

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