Matches in SemOpenAlex for { <https://semopenalex.org/work/W2078786914> ?p ?o ?g. }
- W2078786914 endingPage "522" @default.
- W2078786914 startingPage "512" @default.
- W2078786914 abstract "Abstract Summary: The structure of the free volume and its temperature dependence between 25 and 190 °C of copolymers of styrene with acrylonitrile, SAN (0 to 50 mol‐% AN), is studied by pressure volume temperature (PVT) experiments and positron annihilation lifetime spectroscopy (PALS). In this second part of the work, PALS data are reported from which the temperature dependence of the mean size and size distribution of local free volumes (subnanometer size holes) is analysed. The mean hole volume, v h , varies in PS between 105 Å 3 (27 °C) and 220 Å 3 (190 °C), and shows a systematic decrease with increasing AN content, at T g from 121 Å 3 for PS to 102 (±2) Å 3 for SAN50. The specific number of holes, $N_{rm h} '$ , estimated from a comparison of PVT and PALS results, is independent on the temperature and the composition of SAN, $N_{rm h} '$ = (0.56 ± 0.02) × 10 21 g −1 which corresponds to N h ( T g ) = $N_{rm h} '$ / V ( T g ) = 0.59 nm −3 and 1/ N h ( T g ) = 1.7 nm 3 for the volume which contains one hole. The analysed size distributions of the holes above T g follow the compressibility of the free volume as it is predicted by the theory of thermal volume fluctuation. Moreover, we showed that the bulk elasticity modulus follows mastercurves as a function of v h above and below T g . Free volume hole radius distribution n ( r h ) in PS for three different temperatures. magnified image Free volume hole radius distribution n ( r h ) in PS for three different temperatures." @default.
- W2078786914 created "2016-06-24" @default.
- W2078786914 creator A5008534350 @default.
- W2078786914 creator A5024997168 @default.
- W2078786914 creator A5043561068 @default.
- W2078786914 creator A5050740200 @default.
- W2078786914 creator A5082606886 @default.
- W2078786914 date "2004-03-01" @default.
- W2078786914 modified "2023-10-14" @default.
- W2078786914 title "The Structure of the Free Volume in Poly(styrene-<i>co</i> -acrylonitrile) from Positron Lifetime and Pressure Volume Temperature (PVT) Experiments" @default.
- W2078786914 cites W1574265246 @default.
- W2078786914 cites W177380281 @default.
- W2078786914 cites W1944915281 @default.
- W2078786914 cites W1964898459 @default.
- W2078786914 cites W1967417484 @default.
- W2078786914 cites W1970285975 @default.
- W2078786914 cites W1970552526 @default.
- W2078786914 cites W1970678443 @default.
- W2078786914 cites W1971340787 @default.
- W2078786914 cites W1973165440 @default.
- W2078786914 cites W1974608911 @default.
- W2078786914 cites W1975420505 @default.
- W2078786914 cites W1978042105 @default.
- W2078786914 cites W1979271337 @default.
- W2078786914 cites W1980128789 @default.
- W2078786914 cites W1981982978 @default.
- W2078786914 cites W1989359936 @default.
- W2078786914 cites W1989427347 @default.
- W2078786914 cites W1990110995 @default.
- W2078786914 cites W1990846170 @default.
- W2078786914 cites W1993365709 @default.
- W2078786914 cites W1993590901 @default.
- W2078786914 cites W1993826366 @default.
- W2078786914 cites W1996016803 @default.
- W2078786914 cites W2004747227 @default.
- W2078786914 cites W2006881354 @default.
- W2078786914 cites W2006973486 @default.
- W2078786914 cites W2008602365 @default.
- W2078786914 cites W2010153483 @default.
- W2078786914 cites W2010322713 @default.
- W2078786914 cites W2010980317 @default.
- W2078786914 cites W2016226232 @default.
- W2078786914 cites W2018676835 @default.
- W2078786914 cites W2021487015 @default.
- W2078786914 cites W2023360366 @default.
- W2078786914 cites W2030305267 @default.
- W2078786914 cites W2032415231 @default.
- W2078786914 cites W2032562291 @default.
- W2078786914 cites W2035671249 @default.
- W2078786914 cites W2036173023 @default.
- W2078786914 cites W2047555798 @default.
- W2078786914 cites W2048268242 @default.
- W2078786914 cites W2048953265 @default.
- W2078786914 cites W2049186266 @default.
- W2078786914 cites W2050945279 @default.
- W2078786914 cites W2051942417 @default.
- W2078786914 cites W2053205380 @default.
- W2078786914 cites W2060134368 @default.
- W2078786914 cites W2067359971 @default.
- W2078786914 cites W2067528306 @default.
- W2078786914 cites W2071217247 @default.
- W2078786914 cites W2073074134 @default.
- W2078786914 cites W2073239970 @default.
- W2078786914 cites W2073352795 @default.
- W2078786914 cites W2081748600 @default.
- W2078786914 cites W2082872125 @default.
- W2078786914 cites W2082940214 @default.
- W2078786914 cites W2085783097 @default.
- W2078786914 cites W2086319521 @default.
- W2078786914 cites W2086950634 @default.
- W2078786914 cites W2089091062 @default.
- W2078786914 cites W2090627946 @default.
- W2078786914 cites W2092923986 @default.
- W2078786914 cites W2109504169 @default.
- W2078786914 cites W2129934511 @default.
- W2078786914 cites W2147610090 @default.
- W2078786914 cites W2151057445 @default.
- W2078786914 cites W2154461040 @default.
- W2078786914 cites W2156370397 @default.
- W2078786914 cites W2157191899 @default.
- W2078786914 cites W2157807976 @default.
- W2078786914 cites W2167203726 @default.
- W2078786914 cites W2168760472 @default.
- W2078786914 cites W2436582519 @default.
- W2078786914 cites W2479585044 @default.
- W2078786914 cites W4243532647 @default.
- W2078786914 cites W4248935531 @default.
- W2078786914 cites W615583486 @default.
- W2078786914 cites W895366310 @default.
- W2078786914 doi "https://doi.org/10.1002/macp.200300104" @default.
- W2078786914 hasPublicationYear "2004" @default.
- W2078786914 type Work @default.
- W2078786914 sameAs 2078786914 @default.
- W2078786914 citedByCount "46" @default.
- W2078786914 countsByYear W20787869142012 @default.
- W2078786914 countsByYear W20787869142013 @default.
- W2078786914 countsByYear W20787869142016 @default.
- W2078786914 countsByYear W20787869142018 @default.