Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

[The interaction between La and polyurethane system].

Zhi Liu1, Xin-hai Liu, Chi-cheng Cao

  • 1The State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.

Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|March 17, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Response of Microbial Community to Natural Organic Matter Input in Lake Sediments].

Huan jing ke xue= Huanjing kexue·2021
Same author

Synthesis and Evaluation of the Antitumor Activity of Novel 1-(4-Substituted phenyl)-2-ethyl Imidazole Apoptosis Inducers In Vitro.

Molecules (Basel, Switzerland)·2020
Same author

The effects of emission trading system on corporate innovation and productivity-empirical evidence from China's SO<sub>2</sub> emission trading system.

Environmental science and pollution research international·2020
Same author

Sample-Sample Correlation Asynchronous Spectroscopic Method Coupled with Multivariate Curve Resolution-Alternating Least Squares To Analyze Challenging Bilinear Data.

Analytical chemistry·2019
Same author

Synthesis, activity evaluation, and pro-apoptotic properties of novel 1,2,4-triazol-3-amine derivatives as potent anti-lung cancer agents.

Journal of enzyme inhibition and medicinal chemistry·2019
Same author

A novel systematic absence of cross peaks-based 2D-COS approach for bilinear data.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy·2019
Same journal

The Laser Rangefinder System in Quadrature Modem and Ambiguity Resolution.

Guang pu xue yu guang pu fen xi = Guang pu·2018
Same journal

Improving the Accuracy of Camera-Based Heart Rate Measurement.

Guang pu xue yu guang pu fen xi = Guang pu·2018
Same journal

Determination of Pb, Cr, Cd, and As in Aluminum-Plastic Packaging Materials via Inductively Coupled Plasma-Mass Spectrometry with Microwave Digestion.

Guang pu xue yu guang pu fen xi = Guang pu·2018
Same journal

Study on Molecular Recognition of Cucurbit[6]uril with Oxytetracycline Molecules by Spectroscopic Methods.

Guang pu xue yu guang pu fen xi = Guang pu·2018
Same journal

Preparation and Properties of Novel Polymer Blue Fluorescent Materials.

Guang pu xue yu guang pu fen xi = Guang pu·2018
Same journal

Effect of the Nitrogen Incorporation on the Microstructure and Photoelectric Properties of N Type Nanocrystalline Silicon Thin Films.

Guang pu xue yu guang pu fen xi = Guang pu·2018
See all related articles

Lanthanum(III) chloride (LaCl3) addition alters polyether polyurethane (PU) phase transitions and molecular structure. FTIR analysis confirms La3+ ion coordination with PU

Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Inorganic Chemistry

Context:

  • Polyether polyurethane (PU) is a versatile polymer with applications in various industries.
  • Lanthanum(III) chloride (LaCl3) is a lanthanide salt with potential to modify material properties.
  • Understanding the interaction between PU and LaCl3 is crucial for developing advanced composite materials.

Purpose:

  • To investigate the effect of different lanthanum contents on the properties of polyether polyurethane (PU)-LaCl3 composites.
  • To analyze the phase transition behavior and structural changes induced by LaCl3 in the PU matrix.
  • To provide evidence for the coordination between La3+ ions and the PU system.

Summary:

  • Polyether polyurethane (PU)-LaCl3 composites were synthesized with varying lanthanum concentrations.

Related Experiment Videos

  • Differential Scanning Calorimetry (DSC) revealed that LaCl3 addition suppresses the endothermic peak associated with phase transition in PU.
  • Fourier Transform Infrared (FTIR) spectroscopy showed shifts in carbonyl and N-H stretching bands, and a new La-O band, indicating La3+ coordination with the C=O group of PU.

    • Impact:

    • The study provides insights into the structural modifications and phase transition alterations in PU-LaCl3 composites.
    • The findings demonstrate the potential of LaCl3 as a dopant to tune the thermal and structural properties of polyurethanes.
    • This research contributes to the development of novel polyurethane-based composite materials with tailored characteristics.