Published 1995 | Version v1
Miscellaneous Metadata-only

Radical generation on γ-irradiated poly-dimethyl siloxane

Creators

  • 1. Instituto de Pesquisas Energeticas e Nucleares (IPEN), Sao Paulo, SP (Brazil)

Description

Poly-dimethyl siloxane radical generation induced by gamma rays from 60 Co source at 77 K has been investigated by Spin Resonance Spectroscopy at 77 K. Gamma radiation induces following radicals formation: .C H3'' .Si3-, .C H2-Si, .O-Si3- and .H at 77 K. Radical concentration observed are not significantly affected by vinyl groups in SILOPREN. Main-chain scission occurs, but crosslinking reactions predominates. (author). 9 refs., 2 figs

Availability note (English)

Available from the Nuclear Information Center of Comissao Nacional de Energia Nuclear, RJ (BR).

Additional details

Additional titles

Original title (Portuguese)
Formacao de radicais no polidimetilsiloxano γ-irradiado

Publishing Information

Imprint Pagination
4 p.

Conference

Title
3. Brazilian Congress on Polymers.
Original Conference Title
3. Congresso Brasileiro de Polimeros
Dates
30 Oct - 2 Nov 1995.
Place
Rio de Janeiro, RJ (Brazil).

INIS

Country of Publication
Brazil
Country of Input or Organization
Brazil
INIS RN
27014383
Subject category
S07: ISOTOPES AND RADIATION SOURCES;
Resource subtype / Literary indicator
Conference, Non-conventional Literature
Descriptors DEI
CROSS-LINKING; DOSE RATES; ELECTRON SPIN RESONANCE; GAMMA RADIATION; IRRADIATION; POLYVINYLS; RADIOLYSIS; SILICONES; STRUCTURAL CHEMICAL ANALYSIS
Descriptors DEC
CHEMICAL RADIATION EFFECTS; CHEMICAL REACTIONS; DECOMPOSITION; ELECTROMAGNETIC RADIATION; IONIZING RADIATIONS; MAGNETIC RESONANCE; ORGANIC COMPOUNDS; ORGANIC POLYMERS; POLYMERIZATION; POLYMERS; RADIATION EFFECTS; RADIATIONS; RESONANCE; SILOXANES