Hydrogenated natural rubber from different types of preserved latex

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Journal of Rubber Research (JRR)

2010

Hydrogenated natural rubber from different types of preserved latex

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ATTACHMENT01	Krishna_2010_Hydrogenated_nr_different	234 KB	Adobe Acrobat PDF

Title: Hydrogenated natural rubber from different types of preserved latex
Creator: Krisna Veni BN
Creator: Ma’zam Md Said
Contributor: Nor Faezah Bt. Ismail
Contributor: Fauziah A. Rahman
Subject: PRRIM
Subject: Latex physiology, histology and biochemistry
Date: 2010-07-14 |2010-07-14 |2001– |2010 | | | | | | |
Publisher: Kuala Lumpur: Malaysian Rubber Board
Description: One of the major disadvantages of natural rubber (NR) is poor ozone and ageing resistance besides poor oil and chemical resistance. These weaknesses are partly caused by the double bonds present in the rubber molecules. However the number of double bonds can be reduced by hydrogenation. This paper discusses the effect of preservation systems of NR latex used as the starting materials and also the effect of hydrogen peroxide on the efficiency of the hydrogenation reaction. The hydrogenated NR was prepared by reacting NR latex with hydrazine hydrate and hydrogen peroxide. The rubber was characterised by using proton Nuclear Magnetic Resonance (NMR). The results showed that the hydrogenation level is significantly affected by the different preservation systems and the concentration of hydrogen peroxide. The optimum level of hydrogen peroxide concentration was found to be in the range of 20-30% for all types of preservation systems. The use of field latex as a starting material achieved a much higher hydrogenation level (67%) compared to other types of preserved latex examined.

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collection(s): 2010
Identifier: valet-20100714-133747
Identifier: vital1:71301
Format: Adobe Acrobat PDF
Coverage: 2010
Language: EN
Relation: 13,2,-,103,109
Relation: J Rubb Res (2010) 13(2):103-109
Rights: No|Yes
Type: Article
Source: JRR
Source: RRIM/LGM

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Krisna Veni BN, Ma’zam Md Said. Kuala Lumpur: Malaysian Rubber Board; 2010-07-14 |2010-07-14 |2001– |2010 | | | | | | |. Hydrogenated natural rubber from different types of preserved latex.

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2010

Hydrogenated natural rubber from different types of preserved latex

VITAL Repository 5.2