CORE
🇺🇦
make metadata, not war
Services
Services overview
Explore all CORE services
Access to raw data
API
Dataset
FastSync
Content discovery
Recommender
Discovery
OAI identifiers
OAI Resolver
Managing content
Dashboard
Bespoke contracts
Consultancy services
Support us
Support us
Membership
Sponsorship
Community governance
Advisory Board
Board of supporters
Research network
About
About us
Our mission
Team
Blog
FAQs
Contact us
碳化法纳米 SiO_2表面结构研究
Authors
张军
李会泉
+5 more
李少鹏
林荣毅
田登超
许雪冰
马艳丽
Publication date
1 January 2015
Publisher
Abstract
采用红外、热重、N2吸附等分析方法,研究了碳化法制备的纳米Si O2表面羟基、孔隙结构和吸油值等随陈化p H值、陈化时间及干燥温度的变化关系。实验结果表明,在不同陈化p H值下Si O2凝聚反应速率不同,陈化p H值由2升高到5,凝聚反应加快,颗粒表面羟基含量由1.54个/nm2减少到1.44个/nm2,平均孔径由11.51 nm增大到23.06 nm,吸油值由1.70 cm3/g升高到1.81 cm3/g;在不同陈化时间下Si O2颗粒间凝聚反应进程不同,陈化时间由10 min延长到90 min,颗粒表面羟基含量由1.48个/nm2减少到1.40个/nm2,平均孔径、吸油值变化不明显;在不同..
Similar works
Full text
Available Versions
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.ipe.ac.cn:122111/34632
Last time updated on 05/12/2019