Recent advances in structural characterization of natural rubber

Y Tanaka, L Tarachiwin - Rubber chemistry and …, 2009 - meridian.allenpress.com
Structural characterization of rubber from Hevea brasiliensis (NR) has been carried out to
elucidate the biosynthesis mechanism of rubber molecule as well as to find the relationship …

Structural characterization of α-terminal group of natural rubber. 1. Decomposition of branch-points by lipase and phosphatase treatments

L Tarachiwin, J Sakdapipanich, K Ute… - …, 2005 - ACS Publications
Deproteinized natural rubber latex (DPNR-latex) was treated with lipase and phosphatase in
order to analyze the structure of the chain-end group (α-terminal). The enzymatic treatment …

Epoxidation of natural rubber latices: Methods of preparation and properties of modified rubbers

DR Burfield, KL Lim, KS Law - Journal of Applied Polymer …, 1984 - Wiley Online Library
Studies in the epoxidation of natural rubber latices are described. Investigated epoxidation
routes include the use of bromohydrin intermediates, hydrogen‐peroxide‐catalyzed …

Analysis of epoxidized natural rubber. A comparative study of dsc, nmr, elemental analysis and direct titration methods

DR Burfield, KL Lim, KS Law, S Ng - Polymer, 1984 - Elsevier
A comparative analysis of epoxidized natural rubber samples by 1 H and 13 C nmr,
titrimetric, elemental and dsc techniques has been made. Whereas the titrimetric method is …

[PDF][PDF] 10.1. 7-Natural rubber

L Vaysse, F Bonfils, J Sainte-Beuve… - Polymer Sci-ence: A …, 2012 - researchgate.net
As for all materials, a study of NR and the relations existing between its structure and
properties require the knowledge of the different structural levels. These structural levels are …

Storage hardening of natural rubber

SN Gan - Journal of Macromolecular Science, Part A: Pure and …, 1996 - Taylor & Francis
Natural rubber exhibits different storage properties when compared with synthetic
polyisoprenes. Stored over an extended period of a few months, natural rubber is found to …

The role of non-rubber components on molecular network of natural rubber during accelerated storage

H Zhang, L Zhang, X Chen, Y Wang, F Zhao, M Luo… - Polymers, 2020 - mdpi.com
Though the non-rubber components have long been recognized to be a vital factor affecting
the network of natural rubber (NR), the authentic role of non-rubber components on the …

Comparison of three different degradation methods to produce liquid epoxidized natural rubber

P Rooshenass, R Yahya… - Rubber Chemistry and …, 2016 - meridian.allenpress.com
Epoxidized natural rubber (ENR) has a high molecular weight, which has limited its solubility
and processibility. For many potential applications, such as adhesives and coatings, ENR …

Preparation of liquid epoxidized natural rubber by oxidative degradations using periodic acid, potassium permanganate and UV-irradiation

P Rooshenass, R Yahya, SN Gan - Journal of Polymers and the …, 2018 - Springer
Epoxidized natural rubber (ENR) needs to be degraded into shorter chain lengths, to form
liquid epoxidized natural rubber (LENR), for applications such as coating and adhesives …

Direct imaging and elemental mapping of microgels in natural rubber particles

MM Rippel, C AP Leite, LT Lee… - Colloid and Polymer …, 2005 - Springer
Elemental distribution maps of Hevea brasiliensis natural rubber gels have been obtained
using electron energy-loss spectroscopy imaging in a low-energy (80 kV) electron …