Citation
Derouet D., . and Brosse J. C., . and Tillekeratne L. M. K., . Fixation of methacrylic acid onto epoxidised liquid natural rubber. pp. 296-300. ISSN 0127-7065
Abstract
Epoxidised liquid natural rubber (ELNR) is a derivative of natural rubber obtained by depolymerisation of natural rubber macromolecules in the latex phase using the phenylhydrazine/oxygen system followed by peracid treatment. It is a basic compound which can be subjected to chemical modifications leading to new products with various useful applications. Methacrylic acid grafted ELNR is one such product where the polymerisable unsaturated groups present on the methacrylic acid enable them to be crosslinked by W radiation making them useful in the enamel paint industry. This paper reports on the effects of some parameters such as the catalyst temperature and time on the fixation reaction between ELNR via (he epoxide functions and methacrylic acid. Addition of the acid on the epoxide functions of ELNR in the presence of p-methoxyphenol to avoid homopolymerisation of the acid can be achieved in chloroform only in the presence of pyridine as the catalyst. Soluble photo-sensitive polymers in organic solvents are obtained.
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Abstract
Epoxidised liquid natural rubber (ELNR) is a derivative of natural rubber obtained by depolymerisation of natural rubber macromolecules in the latex phase using the phenylhydrazine/oxygen system followed by peracid treatment. It is a basic compound which can be subjected to chemical modifications leading to new products with various useful applications. Methacrylic acid grafted ELNR is one such product where the polymerisable unsaturated groups present on the methacrylic acid enable them to be crosslinked by W radiation making them useful in the enamel paint industry. This paper reports on the effects of some parameters such as the catalyst temperature and time on the fixation reaction between ELNR via (he epoxide functions and methacrylic acid. Addition of the acid on the epoxide functions of ELNR in the presence of p-methoxyphenol to avoid homopolymerisation of the acid can be achieved in chloroform only in the presence of pyridine as the catalyst. Soluble photo-sensitive polymers in organic solvents are obtained.
Additional Metadata
| Item Type: | Article |
|---|---|
| AGROVOC Term: | Hevea rubber |
| AGROVOC Term: | Natural rubber |
| AGROVOC Term: | Epoxides |
| AGROVOC Term: | Liquids |
| AGROVOC Term: | Latex |
| AGROVOC Term: | Depolymerization |
| AGROVOC Term: | Acids |
| AGROVOC Term: | Catalysts |
| AGROVOC Term: | Temperature |
| AGROVOC Term: | Time |
| Depositing User: | Ms. Suzila Mohamad Kasim |
| Last Modified: | 24 Apr 2025 06:28 |
| URI: | http://webagris.upm.edu.my/id/eprint/23516 |
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