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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sudeste. Para informações adicionais entre em contato com cppse.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
14/12/2010 |
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Data da última atualização: |
29/06/2023 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
CARREGA, W.; MICHELOTTO, M. D.; FINOTO, E. L.; FAVERO, A. P.; CROSARIOL NETTO, J. C. F.; GODOY, I.; PIROTTA, M. Z. |
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Afiliação: |
W. CARREGA, APTA/PINDORAMA, SP.; M. D. MICHELOTTO, APTA/PINDORAMA, SP.; E. L. FINOTO, APTA/PINDORAMA, SP.; ALESSANDRA PEREIRA FAVERO, CENARGEN; J. C. F. CROSARIOL NETTO, APTA/PINDORMA, SP.; I. GODOY, IAC/CAMPINAS, SP.; M. Z. PIROTTA, APTA/PINDORAMA, SP. |
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Título: |
Dormência e germinação de sementes de espécies de silvestres de amendoim. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
In: ENCONTRO SOBRE A CULTURA DO AMENDOIM, 7., 2010, Jaboticabal. Resumos... Jaboticabal: UNESP, 2010. |
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Idioma: |
Português |
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Palavras-Chave: |
Espécies de silvestres; Sementes. |
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Thesagro: |
Amendoim; Dormência; Germinação. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 00723nam a2200229 a 4500
001 1869705
005 2023-06-29
008 2010 bl uuuu u00u1 u #d
100 1 $aCARREGA, W.
245 $aDormência e germinação de sementes de espécies de silvestres de amendoim.$h[electronic resource]
260 $aIn: ENCONTRO SOBRE A CULTURA DO AMENDOIM, 7., 2010, Jaboticabal. Resumos... Jaboticabal: UNESP$c2010
650 $aAmendoim
650 $aDormência
650 $aGerminação
653 $aEspécies de silvestres
653 $aSementes
700 1 $aMICHELOTTO, M. D.
700 1 $aFINOTO, E. L.
700 1 $aFAVERO, A. P.
700 1 $aCROSARIOL NETTO, J. C. F.
700 1 $aGODOY, I.
700 1 $aPIROTTA, M. Z.
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Embrapa Pecuária Sudeste (CPPSE) |
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Registro Completo
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Biblioteca(s): |
Embrapa Agroenergia. |
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Data corrente: |
18/02/2021 |
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Data da última atualização: |
20/04/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
JENSEN, A. T.; GAMBETTA, R.; MACHADO, F. |
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Afiliação: |
Alan Thyago Jensen, Universidade de Brasília; ROSSANO GAMBETTA, CNPAE; Fabricio Machado, Universidade de Brasília. |
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Título: |
A versatile route to the synthesis of pressure-sensitive adhesives and polyHIPE-like microparticles: an experimental study on glycerol valorization. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Materials Today Communications, v. 25, 101407, Dec. 2020. |
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DOI: |
https://doi.org/10.1016/j.mtcomm.2020.101407 |
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Idioma: |
Inglês |
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Conteúdo: |
This present work focuses on the synthesis of styrene / n-acylglycerol (n-ACG) (a macromonomer formed by glycerol esterification with acrylic acid catalyzed by methane sulfonic acid) copolymers through suspension polymerization process. The final properties of poly(styrene-co-n-acylglycerol) was strongly dependent on the n-ACG fraction into the polymer chains. The effect of n-ACG on the copolymer properties was evaluated and a huge reduction in both the thermal stability and the Tg values (from 93 °C for polystyrene homopolymer to −22 °C for styrene / n-ACG copolymers synthesized with 20 wt% of n-ACG) was observed when the n-ACG fraction was increased. The variations in the thermal properties were accompanied by drastic morphological changes of the materials, depending essentially on the n-ACG composition as for instance: i) porous spherical particles with polyHIPE-like structures (copolymers containing from 5 to 15 wt% of n-ACG), which indicates that these porous microparticles may be used as support/carries in heterogeneous catalysis, ion exchange resins, and controlled drug delivery, among others; ii) adhesive films containing n-ACG fractions higher than 15 wt%, conferring "tack" features similar to the one observed in for pressure-sensitive adhesives (PSA) evaluated by using a rolling ball test. Mechanical tests also showed that the polymer adhesives have an enormous potential to be used as PSA materials in the adhesive industry. |
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Palavras-Chave: |
Glycerol valorization; PolyHIPE microparticles; Pressure sensitive adhesives (PSA); Suspension polymerization. |
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Thesagro: |
Adesivo; Glicerina; Polimerização. |
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Thesaurus NAL: |
Adhesives; Glycerol; Polymerization. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02405naa a2200277 a 4500
001 2130073
005 2021-04-20
008 2020 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.mtcomm.2020.101407$2DOI
100 1 $aJENSEN, A. T.
245 $aA versatile route to the synthesis of pressure-sensitive adhesives and polyHIPE-like microparticles$ban experimental study on glycerol valorization.$h[electronic resource]
260 $c2020
520 $aThis present work focuses on the synthesis of styrene / n-acylglycerol (n-ACG) (a macromonomer formed by glycerol esterification with acrylic acid catalyzed by methane sulfonic acid) copolymers through suspension polymerization process. The final properties of poly(styrene-co-n-acylglycerol) was strongly dependent on the n-ACG fraction into the polymer chains. The effect of n-ACG on the copolymer properties was evaluated and a huge reduction in both the thermal stability and the Tg values (from 93 °C for polystyrene homopolymer to −22 °C for styrene / n-ACG copolymers synthesized with 20 wt% of n-ACG) was observed when the n-ACG fraction was increased. The variations in the thermal properties were accompanied by drastic morphological changes of the materials, depending essentially on the n-ACG composition as for instance: i) porous spherical particles with polyHIPE-like structures (copolymers containing from 5 to 15 wt% of n-ACG), which indicates that these porous microparticles may be used as support/carries in heterogeneous catalysis, ion exchange resins, and controlled drug delivery, among others; ii) adhesive films containing n-ACG fractions higher than 15 wt%, conferring "tack" features similar to the one observed in for pressure-sensitive adhesives (PSA) evaluated by using a rolling ball test. Mechanical tests also showed that the polymer adhesives have an enormous potential to be used as PSA materials in the adhesive industry.
650 $aAdhesives
650 $aGlycerol
650 $aPolymerization
650 $aAdesivo
650 $aGlicerina
650 $aPolimerização
653 $aGlycerol valorization
653 $aPolyHIPE microparticles
653 $aPressure sensitive adhesives (PSA)
653 $aSuspension polymerization
700 1 $aGAMBETTA, R.
700 1 $aMACHADO, F.
773 $tMaterials Today Communications$gv. 25, 101407, Dec. 2020.
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