Showing papers by "Suat Hong Goh published in 1990"
TL;DR: This article showed that poly(n-vinyl pyrrolidone (PVPr) is immiscible with poly(ethyl methacrylate), poly (n-propyl methacricrylate) and polystyrene.
Abstract: Poly(N-vinyl pyrrolidone) (PVPr) forms miscible binary blends with poly(hydroxyethyl methacrylate), poly(hydroxypropyl methacrylate) and two styrene/allyl alcohol copolymers, as shown by their glass transition behavior. However, PVPr is immiscible with poly(ethyl methacrylate), poly(n-propyl methacrylate) and polystyrene. The results indicate the importance of hydroxyl groups in achieving miscibility.
35 citations
TL;DR: The compatibility of poly(N-vinyl-2-pyrrolidone) (PVP) with EMA/HEMA copolymers of varying HEMA contents was studied by differential scanning calorimetry as mentioned in this paper.
Abstract: The compatibility of poly(N-vinyl-2-pyrrolidone) (PVP) with ethyl methacrylate/2-hydroxyethyl methacrylate (EMA/HEMA) copolymers of varying HEMA contents was studied by differential scanning calorimetry. PVP is incompatible with EMA/HEMA copolymers with HEMA contents of 2,1 and 5,7 mol-%, but is compatible with copolymers with HEMA contents of 7,5, 10,0 and 18,2 mol-%. The Tg-composition curves of three compatible systems can be fitted by the Gordon-Taylor equation.
14 citations
TL;DR: In this article, it was shown that poly(methoxymethyl methacrylate is miscible with PMMA, indicating the importance of ether oxygen atoms in achieving miscibility.
Abstract: Poly(n-propyl methacrylate) is known to be immiscible with poly(methyl methacrylate) (PMMA). However, we have found that poly(methoxymethyl methacrylate) is miscible with PMMA, indicating the importance of ether oxygen atoms in achieving miscibility. On the other hand, poly(methylthiomethyl methacrylate) is immiscible with PMMA.
5 citations
TL;DR: In this paper, the effect of iodization on the glass transition behavior and thermal stability of polystyrene was studied by differential scanning calorimetry and thermogravimetry.
5 citations
TL;DR: In this article, the miscibility of poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) with poly(p-methylstyrene-co-acrylonitrile) (pMSAN) of various compositions was studied by differential scanning calorimetry.
5 citations
TL;DR: The thermal stability of polyvinyl chloride (PVC)/poly(α-methylstyrene-co-acrylonitrile) blends was studied by thermogravimetry.
4 citations
TL;DR: The Brillouin spectra of a polymer blend of poly(styrene-co-allyl alcohol) and poly(neopentyl glycol adipate), showing upper critical solution temperature behaviour, have been measured as a function of temperature as discussed by the authors.
Abstract: The Brillouin spectra of a polymer blend of poly(styrene-co-allyl alcohol) and poly(neopentyl glycol adipate), showing upper critical solution temperature behaviour, have been measured as a function of temperature. Conspicuous changes have been observed in the Brillouin width near the cloud point and have been interpreted as arising from composition changes in the two originally distinct low-temperature microscopically separated liquid phases towards a common high-temperature solution.
3 citations
TL;DR: In this paper, the miscibility of bisphenol-A polycarbonate (PC) with various p -methylstyrene/acrylonitrile copolymers (pMSAN) has been studied by differential scanning calorimetry.
1 citations