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Citation: LIU Xin-Ping, XIU Jing, XIAO Li-Ren, HUANG Bao-Quan, CHEN Qing-Hua. Synthesis of PVC with Encapsulated Calcium Hydroxide and its Thermal Stability[J]. Chinese Journal of Applied Chemistry, ;2007, 24(6): 638-643. shu

Synthesis of PVC with Encapsulated Calcium Hydroxide and its Thermal Stability

1.
College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007

Corresponding author: CHEN Qing-Hua,
Received Date: 6 July 2006
Available Online: 31 December 2006
Fund Project: 国家"十五"重点科技攻关计划项目(2002BC323C) (2002BC323C)教育部"新世纪优秀人才支持计划"(NCET-04-0614) (NCET-04-0614)省教委项目(JA05196) (JA05196)

Capsulated calcium hydroxide was synthesized by in situ capsulation of calcium hydroxide with phenol-formaldehyde resin formed from phenol and formaldehyde during slaking of calcium oxide.The samples were prepared through adjusting the concentration of prepolymer,reaction time and temperature,and were characterized by means of TEM,FTIR,XRD.Experimental results demonstrate that samples obtained at 20% reactant and 2 h reaction time at 80℃ showed the best properties.The properties of PVC containing capsulated calcium hydroxide were analyzed with DSC-TG,Congo Red test and SEM.Results show that the thermal stability was enhanced more than twice with 1% capsule calcium hydroxide contained in PVC,and the compatibility was improved,too.
- phenol resin,
- in-stiu encapsulation,
- capsule calcium hydroxide,
- PVC,
- thermal stability
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