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Add  Viscosity stabilisation of natural rubber with semicarbazide hydrochloride.
Authors: Ong, C.O.
Date: 20030923 | 20050822 | | 1976 | | | | | | |
Subject: PRRIM | Rubber chemistry, properties and testing
Type: Article
Identifier: vital1:23779
Description: Commercially available viscosity-stabilised rubbers are darker in colour and slightly slower-curing than the corresponding SMR 5L. A process has now been developed to produce a viscosity-stabilised ru… More
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Add  Vulcanisation of natural rubber by p-quinone dioxime dibenzoate.
Authors: Chew, C.H. | Gan, L.M. | Loo, C.T.
Date: 20030923 | 20050822 | | 1980 | | | | | | |
Subject: PRRIM | Rubber chemistry, properties and testing
Type: Article
Identifier: vital1:24712
Description: Quinoid vulcanisation of natural rubber by p-quinone dioxime dibenzoate could effectively be accelerated by metal oxides such as zinc oxide (ZnO) and litharge (PbO). The scorch safety and the aged pro… More
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Add  Vulcanisation systems for ENR-50.
Authors: Gelling, I.R. | Metherell, C.
Date: 20030923 | 20050812 | | 1993 | | | | | | |
Subject: PRRIM | Rubber chemistry, properties and testing
Type: Article
Identifier: vital1:24287
Description: This paper compares the effects of cure systems on the physical properties of ENR-50. Semi-EV, EV, ‘sulphurless’ and some of the newer formulations such as equilibrium cures and post-vulcanisation sta… More
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Add  Weekly tapping of rubber trees: agronomical, physiological and economic aspects.
Authors: Eschbach, J.M.
Date: 20030923 | 20050816 | | 1986 | | | | | | |
Subject: PRRIM | -
Type: Article
Identifier: vital1:24008
Description: The change from full-spiral twice a week to half-spiral stimulated aims to decrease tapping intensity and increase productivity of the tapper. The best way of doing this is to decrease the tapping fre… More
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Add  ‘Coagulase’ from the fractionation of C-serum of Hevea latex.
Authors: Woo, C.H.
Date: 20030923 | 20050822 | | 1976 | | | | | | |
Subject: PRRIM | Latex physiology, histology and biochemistry
Type: Article
Identifier: vital1:24388
Description: ‘Coagulase’ activity was readily detectable in the aqueous extract of an acetone powder prepared from C-serum, i.e. the extract coagulated heated rubber dispersions under defined conditions in vitro. … More
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