Investigation on the melting and crystallization behaviors, mechanical properties and morphologies of polypropylene/sericite composites

2018 ◽  
Vol 54 (4) ◽  
pp. 3600-3618 ◽  
Author(s):  
Longlong Cai ◽  
Qiang Dou
Keyword(s):  
Mechanical Properties ◽  
Crystallization Behaviors ◽  
Melting And Crystallization

Synthesis and Characterizations of Poly(Butylene Succinate) Copolyester

2014 ◽  
Vol 1015 ◽  
pp. 381-384
Author(s):  
Li Liu ◽  
Li Hai Cai ◽  
Dan Liu ◽  
Jun Xu ◽  
Bao Hua Guo
Keyword(s):  
Mechanical Properties ◽  
Polymer Matrix ◽  
Crystallization Temperature ◽  
In Situ Polymerization ◽  
Nucleating Agent ◽  
Single Fiber ◽  
Butylene Succinate ◽  
Crystallization Behaviors ◽  
Polymerization Method

The poly (butylene succinate) (PBS) and 3 wt% attapulgite (ATP) reinforced PBS/ATP nanocomposites with 1,6-hexanediol were fabricated using an in situ polymerization method. The crystallization behaviors indicated that ATP had effectively acted as nucleating agent, resulting in the enhancement on the crystallization temperature. The SEM results showed a superior interfacial linkage between ATP and PBS. Also, ATP could disperse as a single fiber and embed in the polymer matrix, which resulted in the improved mechanical properties.

Crystallization Behavior of Polypropylene/Syndiotactic1,2-Polybutadiene Blends

2012 ◽  
Vol 531-532 ◽  
pp. 182-185
Author(s):  
Xiao Feng He ◽  
Shuai Wang ◽  
Tie Jun Ge ◽  
Xue Quan Zhang ◽  
Chun Yu Zhang
Keyword(s):  
High Temperature ◽  
Melting Temperature ◽  
Crystallization Temperature ◽  
Crystallization Behavior ◽  
Strong Impact ◽  
Crystallization Behaviors ◽  
Supercooling Temperature ◽  
Melting And Crystallization

The melting and crystallization behaviors of Polypropylene/Syndiotactic1,2-polybutadiene (PP/s-PB) blends and neat PP were studied by using DSC, the results showed that the presence of s-PB in PP would have a strong impact on the crystallization capacity of PP. The presence of s-PB in PP could increase the crystallization temperature(Tc) of PP, and the s-PB could obviously lower supercooling temperature(Tm-Tc) of PP, but the s-PB in PP have a Slightly influence on the melting temperature(Tm) of PP. The proposed reason for those are that the crosslinking s-PB in high temperature is a nucleator for PP’s crystallization and increases PP’s crystalline rate. However, the s-PB lowers PP’s crystallinity. At the same time, the presence of PP in blends lowers s-PB’s crystallinity, but the PP in blends have a Slightly influence on the melting temperature(Tm) and crystallization temperature(Tc) of s-PB.

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