Determination of elastomer content in NR/SBR/BR blends
Abstract Determining elastomer content in ternary rubbers via infrared (IR) spectroscopy presents challenges due to spectral band overlap.Coupled techniques could be a solution, but in certain cases it can also involve overlapping events resulting in greater errors. The best option is to use an inst...
Saved in:
| Main Authors: | , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Associação Brasileira de Polímeros
2025-07-01
|
| Series: | Polímeros |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282025000200609&lng=en&tlng=en |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1849731517500096512 |
|---|---|
| author | Alexandra Helena de Barros Rachel Farias Magalhães Lídia Mattos Silva Murakami Milton Faria Diniz Natália Beck Sanches Taynara Alves de Carvalho Jorge Carlos Narciso Dutra Rita de Cássia Lazzarini Dutra |
| author_facet | Alexandra Helena de Barros Rachel Farias Magalhães Lídia Mattos Silva Murakami Milton Faria Diniz Natália Beck Sanches Taynara Alves de Carvalho Jorge Carlos Narciso Dutra Rita de Cássia Lazzarini Dutra |
| author_sort | Alexandra Helena de Barros |
| collection | DOAJ |
| description | Abstract Determining elastomer content in ternary rubbers via infrared (IR) spectroscopy presents challenges due to spectral band overlap.Coupled techniques could be a solution, but in certain cases it can also involve overlapping events resulting in greater errors. The best option is to use an instrumental technique with appropriate conditions that avoid overlapping. This paper presents the development of transmission/reflection IR methodologies for the content determination of a blend with natural rubber, styrene-butadiene copolymer, and polybutadiene (NR/SBR/BR), with A887 and A1375 bands for NR and A699 for SBR. The BR content, which was calculated by subtraction of the NR and SBR results from the IR methodology, is confirmed by acid-resistance quantitative data. The methodologies errors (2 to 6%), with non-overlapping bands, encompass what is found in the literature (5%). Such development ensures the determination of elastomer content in ternary rubbers with fast and accurate methodologies. |
| format | Article |
| id | doaj-art-24987fa5bc52444f860fb78bcfa88345 |
| institution | DOAJ |
| issn | 1678-5169 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Associação Brasileira de Polímeros |
| record_format | Article |
| series | Polímeros |
| spelling | doaj-art-24987fa5bc52444f860fb78bcfa883452025-08-20T03:08:32ZengAssociação Brasileira de PolímerosPolímeros1678-51692025-07-0135210.1590/0104-1428.20240110Determination of elastomer content in NR/SBR/BR blendsAlexandra Helena de Barroshttps://orcid.org/0000-0001-9063-2885Rachel Farias Magalhãeshttps://orcid.org/0000-0002-1364-3748Lídia Mattos Silva Murakamihttps://orcid.org/0000-0003-2589-7769Milton Faria Dinizhttps://orcid.org/0000-0003-0246-0660Natália Beck Sancheshttps://orcid.org/0000-0002-3545-119XTaynara Alves de Carvalhohttps://orcid.org/0000-0003-4420-2299Jorge Carlos Narciso Dutrahttps://orcid.org/0000-0002-0923-620XRita de Cássia Lazzarini Dutrahttps://orcid.org/0000-0001-9958-1279Abstract Determining elastomer content in ternary rubbers via infrared (IR) spectroscopy presents challenges due to spectral band overlap.Coupled techniques could be a solution, but in certain cases it can also involve overlapping events resulting in greater errors. The best option is to use an instrumental technique with appropriate conditions that avoid overlapping. This paper presents the development of transmission/reflection IR methodologies for the content determination of a blend with natural rubber, styrene-butadiene copolymer, and polybutadiene (NR/SBR/BR), with A887 and A1375 bands for NR and A699 for SBR. The BR content, which was calculated by subtraction of the NR and SBR results from the IR methodology, is confirmed by acid-resistance quantitative data. The methodologies errors (2 to 6%), with non-overlapping bands, encompass what is found in the literature (5%). Such development ensures the determination of elastomer content in ternary rubbers with fast and accurate methodologies.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282025000200609&lng=en&tlng=enacid-resistanceIRreflectionternary rubbertransmission |
| spellingShingle | Alexandra Helena de Barros Rachel Farias Magalhães Lídia Mattos Silva Murakami Milton Faria Diniz Natália Beck Sanches Taynara Alves de Carvalho Jorge Carlos Narciso Dutra Rita de Cássia Lazzarini Dutra Determination of elastomer content in NR/SBR/BR blends Polímeros acid-resistance IR reflection ternary rubber transmission |
| title | Determination of elastomer content in NR/SBR/BR blends |
| title_full | Determination of elastomer content in NR/SBR/BR blends |
| title_fullStr | Determination of elastomer content in NR/SBR/BR blends |
| title_full_unstemmed | Determination of elastomer content in NR/SBR/BR blends |
| title_short | Determination of elastomer content in NR/SBR/BR blends |
| title_sort | determination of elastomer content in nr sbr br blends |
| topic | acid-resistance IR reflection ternary rubber transmission |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282025000200609&lng=en&tlng=en |
| work_keys_str_mv | AT alexandrahelenadebarros determinationofelastomercontentinnrsbrbrblends AT rachelfariasmagalhaes determinationofelastomercontentinnrsbrbrblends AT lidiamattossilvamurakami determinationofelastomercontentinnrsbrbrblends AT miltonfariadiniz determinationofelastomercontentinnrsbrbrblends AT nataliabecksanches determinationofelastomercontentinnrsbrbrblends AT taynaraalvesdecarvalho determinationofelastomercontentinnrsbrbrblends AT jorgecarlosnarcisodutra determinationofelastomercontentinnrsbrbrblends AT ritadecassialazzarinidutra determinationofelastomercontentinnrsbrbrblends |