Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Pedro Ivo C. Guimarães"'
Publikováno v:
Polímeros, Vol 13, Iss 2, Pp 119-124 (2003)
Misturas envolvendo borracha nitrílica e copolímeros de etileno-acetato de vinila na proporção 70:30 % em peso, foram preparadas na presença de borracha nitrílica funcionalizada com 2-oxazolina isoladamente ou combinada com EVA funcionalizado c
Externí odkaz:
https://doaj.org/article/509c85484a5e4e89b5d71b360d66c3c2
Publikováno v:
European Polymer Journal. 40:2185-2194
The reactive compatibilization of ethylene-vinyl acetate copolymer (EVA)/nitrile rubber (NBR) blends has been performed using partially hydrolyzed EVA (EVALVA) in combination with oxazoline-functionalized NBR (NBROX). The synthesis of the NBROX has b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::498481d1997688bd538aceba0c1efdd0
https://doi.org/10.1016/j.eurpolymj.2004.04.006
https://doi.org/10.1016/j.eurpolymj.2004.04.006
Autor:
Luciana G. Nascimento, Alcino Palermo de Aguiar, Mônica Regina Marques Palermo de Aguiar, Angela C. Jandrey, Luiz Claudio de Santa Maria, Pedro Ivo C. Guimarães
Publikováno v:
Materials Letters. 58:563-568
The porous structure of copolymer networks based on 2-vinylpyridine, styrene and divinylbenzene at varied proportions prepared by suspension polymerization was varied by using different kinds of porogen agent, namely toluene, n-heptane, ethyl acetate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a7af64a6733482376df6a720539150e
https://doi.org/10.1016/s0167-577x(03)00562-7
https://doi.org/10.1016/s0167-577x(03)00562-7
Autor:
Luiz Claudio de Santa Maria, Pedro Ivo C. Guimarães, Ana Jaqueline Barreto de Oliveira, Marcia C.V. Amorim, Marcos A. S. Costa, Alcino Palermo de Aguiar, Mônica Regina Marques Palermo de Aguiar, Raphael S.M Almeida
Publikováno v:
European Polymer Journal. 39:291-296
A series of porous copolymer beads based on methacrylamide (MA), styrene and divinylbenzene (DVB) was prepared by aqueous suspension polymerization in the presence of diluents to act as precipitants. As MA is totally soluble into aqueous phase, the u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06bfdce69effbc3bc1ca08fdf11eb5a2
https://doi.org/10.1016/s0014-3057(02)00196-9
https://doi.org/10.1016/s0014-3057(02)00196-9
Autor:
Luiz Claudio de Santa Maria, Pedro Ivo C. Guimarães, Marcos A. S. Costa, Luis Carlos Ferreira, Mônica Regina Marques Palermo de Aguiar
Publikováno v:
Polymer Bulletin. 48:463-468
Styrene polymerization with Ni(acac)2/MAO/SiO2 catalytic system was carried out in the presence of methylaluminoxane (MAO), triisobutylaluminum (TIBA) or MAO and TIBA mixture as activators. The catalytic system activated only by TIBA produced polymer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c8c6eaddba6c953cd90354fb1ea45ff
https://doi.org/10.1007/s00289-002-0060-9
https://doi.org/10.1007/s00289-002-0060-9
Autor:
Marcos A. S. Costa, Luiz Claudio de Santa Maria, Pedro Ivo C. Guimarães, Luis Carlos Ferreira
Publikováno v:
Polymer. 43:3857-3862
Styrene polymerization was carried out with Ni(acac) 2 /MAO and Ni(acac) 2 /SiO 2 /MAO. The influence of reaction parameters (Al/Ni mole ratio, catalyst concentration, temperature and time polymerization) on styrene polymerization was evaluated. It w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4981c9e41c80340d7bee6d1c7acc09c
https://doi.org/10.1016/s0032-3861(02)00207-0
https://doi.org/10.1016/s0032-3861(02)00207-0
Autor:
Alcino Palermo de Aguiar, Juliano M Andrade, Marcos A. S. Costa, Flávia G Barbosa, Marcelo Souza de Carvalho, Mônica Regina Marques Palermo de Aguiar, Marcia C.V Amorim, Roberto C.C Ribeiro, Luiz Claudio de Santa Maria, Pedro Ivo C. Guimarães, Paulo Roberto Rezende
Publikováno v:
Reactive and Functional Polymers. 49:133-143
Network resin based on acrylonitrile has been chemically modified through different reactions to obtain different chelating groups. The beads of resin were synthesized by aqueous suspension copolymerization of acrylonitrile (AN) and divinylbenzene (D
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d5286d8f695e987f84583a43620a7ec
https://doi.org/10.1016/s1381-5148(01)00068-2
https://doi.org/10.1016/s1381-5148(01)00068-2
Autor:
Pedro Ivo C. Guimarães
Publikováno v:
Polímeros, Vol 10, Iss 4, Pp 224-229 (2000)
Polímeros v.10 n.4 2000
Polímeros (São Carlos. Online)
Associação Brasileira de Polímeros (ABPol)
instacron:ABPO
Polímeros, Volume: 10, Issue: 4, Pages: 224-229, Published: DEC 2000
Polímeros v.10 n.4 2000
Polímeros (São Carlos. Online)
Associação Brasileira de Polímeros (ABPol)
instacron:ABPO
Polímeros, Volume: 10, Issue: 4, Pages: 224-229, Published: DEC 2000
2-Fenil-2-oxazolina foi polimerizada utilizando-se iodeto de metila, tosilato de metila, eterato de trifluoreto de boro e sulfatos de dimetila, dietila e di-sec-butila como iniciadores. Este trabalho visa estudar a influência do tipo de iniciador no
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3aaca3985688dcddcb54321a756d14ad
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282000000400010
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282000000400010
Publikováno v:
Polymer Bulletin. 34:393-398
The copolymers obtained by the spontaneous reaction between 2-phenyl-2-oxazoline (PhOx) and different anhydrides (succinic-SA, maleic-MA and phthalic-PA) in the absence of an added initiator have been studied. The copolymers were characterized by FTI
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e25963841a30ad321e61425a775b5856
https://doi.org/10.1007/bf00306231
https://doi.org/10.1007/bf00306231
Autor:
Claudia Alessandra Fortes Aiub, José Luiz Mazzei, Lia J. da Veiga, Pedro Ivo C. Guimarães, Érika V. Figueiredo, Israel Felzenszwalb
Publikováno v:
Journal of applied toxicology : JAT. 30(1)
Regardless of official recommendations, the inappropriate use of homemade hair creams has became a popular practice in Brazil and high formaldehyde content in the 'progressive straightening' creams has been reported. In the present work, three of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f2c381a32d152877990f577712ad26d
https://pubmed.ncbi.nlm.nih.gov/19701882
https://pubmed.ncbi.nlm.nih.gov/19701882