Citation
Samsidar H., . and Gomez J. B., . and Rama Rao P. S., . Ultrastructure of rubber particles in PA 80 latex. II. Effects of storage. pp. 41-46. ISSN 0127-7065
Abstract
As a result of the sensitivity of PA 80 latex to 5 KMnO4 fixation in differentiating vulcanised and unvulcanised particles or zones of these particles this method was again used to find the effects of storage. Latices examined were from various stages of vulcanisation which have been stored for one and six months. Vulcanisation as judged from the increase in intensity of staining of the particle interior was found to be progressive during storage even when the stage of vulcanisation was preliminary i.e. when the dispersion mixture was just added. The shell thickness of the rubber particles too is increased. Evidence from elsewhere has shown that there is an increase in free and total sulphur and gel content on storage. The electron microscopic results are consistent with these findings.
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Abstract
As a result of the sensitivity of PA 80 latex to 5 KMnO4 fixation in differentiating vulcanised and unvulcanised particles or zones of these particles this method was again used to find the effects of storage. Latices examined were from various stages of vulcanisation which have been stored for one and six months. Vulcanisation as judged from the increase in intensity of staining of the particle interior was found to be progressive during storage even when the stage of vulcanisation was preliminary i.e. when the dispersion mixture was just added. The shell thickness of the rubber particles too is increased. Evidence from elsewhere has shown that there is an increase in free and total sulphur and gel content on storage. The electron microscopic results are consistent with these findings.
Additional Metadata
| Item Type: | Article |
|---|---|
| AGROVOC Term: | Hevea brasiliensis |
| AGROVOC Term: | Hevea rubber |
| AGROVOC Term: | Latex |
| AGROVOC Term: | Vulcanization |
| AGROVOC Term: | Sulphur |
| AGROVOC Term: | Storage |
| AGROVOC Term: | Ammoniation |
| AGROVOC Term: | Electron microscopy |
| AGROVOC Term: | Ultrastructure |
| AGROVOC Term: | Particle size |
| Geographical Term: | Malaysia |
| Depositing User: | Ms. Suzila Mohamad Kasim |
| Last Modified: | 28 Apr 2025 04:44 |
| URI: | http://webagris.upm.edu.my/id/eprint/23519 |
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