Thermal analysis of styrene-alkyl methacrylate polymers. I. Glass
Synopsis. The glass transition temperatures (Tg's) of several polystyrenes and styrene-alkyl methacrylate copolymers and terpolymers were measured using ...
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Thermal Transitions of Homopolymers
2-tert-Butylaminoethyl methacrylate. 33. Butyl glydicyl ether ... Thermal Transitions of Homopolymers: Glass Transition & Melting Point. Literature values for the ... Polymers are listed by the repeat- ing unit in the .... Styrene, isotactic. 100. 240.
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Dynamical mechanical behavior of copolymers made of styrene and
only one glass transition except for two of the diblock copolymers. In addition, only one ... and an n-alkyl methacrylate (n being the number of carbon atoms of the ...
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Physical Properties of Poly (n-alkyl acrylate) Copolymers
The physical properties of n-alkyl acrylate copolymers, including thermal ... Poly ( n-alkyl acrylates) exhibit a 'jump' in their gas permeability at the Tm ...... crystallizeable units on the overall crystallinity of methacrylates and acrylates ultimately showing ... For a membrane above its Tg, Henry's law is used to define the sorption ...
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Synthesis and Properties of Poly[isobornyl methacrylate (IBMA
Oct 1, 1996 ... The Tg of PIBMA is found to vary from 170 to 206 °C with chain tacticity. ... styrene (SEBS) triblock copolymers are known for unique combination of ... Poly(alkyl methacrylate) (PAMA) is a possible can- didate for the hard block ...
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The Influence of Stereoregularity on the Glass Transition
ABSTRACT: Correlation of available data for glass transition temperatures of mono- and disubstituted .... In “conventional” methacrylate polymers it is observed.
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Dramatic Tunability of the Glass Transition - ACS Publications
Mar 10, 2016 ... Tg of most linear polymers decreases with decreasing MW. This result is .... polymerization of styrene were carried out to produce samples with a wide range of ..... group such as an alkyl structure lowers Tg in methacrylate.
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Review of Preparation and Properties of Polymers from
Aug 1, 2011 ... alkylaminoalkyl acrylate, and alkylaminoalkyl methacrylate. .... Styrene. 0.13. 0.90 . 1. Methyl Methacrylate. 0.34. 1.69. 1 t-Butyl-. Styrene. 0.83. 0.47. 2 .... tures (Tg) of various acrylate and methacrylate polymers was reported by.
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Vinylidene Chloride Monomer and Polymers - Dow
vinyl chloride (VC), acrylonitrile (AN), or various alkyl acrylates, but many ... Chloride (r1) with Important Monomers (r2)a. Monomer r1 r2 styrene. 0.14. 2.0 .... Copolymers containing more than ~15 mol % acrylate or methacrylate are amorphous. ... The glass-transition temperatures, Tg, of vinylidene chloride copolymers have.
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Synthesis and Characterization of Responsive Poly(Alkyl
synthesized and utilized in the synthesis of star-shaped polymers. ... and poly( styrene-block-tert-butyl styrene) methacrylate were synthesized from the ...... covering a broad range of molecular weights, glass transition temperatures (Tg),.
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Role of chemical structure in fragility of polymers: A qualitative picture
in polymers, while the glass transition temperature Tg depends primarily on the backbone flexibility and the .... sizes, and structures on the phenyl ring of the styrene repeat unit. ..... of poly(alkyl methacrylates), the fragility of polymers with long.
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For most amorphous polymers, the free volume fraction at the glass transition .... where the increased distance between chains due to the size of the alkyl group, R, .... Examples of this type are methyl methacrylate–acrylonitrile, styrene–methyl ...
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Synthesis and Characterisation of Styrene Butadiene Styrene Based
Jan 8, 2011 ... The glass–rubber transitions for styrene and butadiene copolymer systems (Van .... a saturated alkyl radical which is capable of further initiation of low ... grafted hydroxyethyl methacrylate (HEMA) onto SBS via UV radiation.
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Miscibility of SAN with polyacrylates and polymethacrylates
Based on the presence of a single composition dependent glass transition and ... that styrene blends. acrylonitrile copolymers, SAN, and poly(methyl methacrylate) , .... that SAN is miscible with PEMA but not with its higher alkyl homologues.
[ 1-s2.0-0032386182902592-main.pdf?_tid=06b4f0be-6766-11e4-ab91-00000aab0f26&acdnat=1415465042_a67f6a51a4f3ba6cff26c0f5b3d88b84 - Read/Download File
Fluorinated poly(meth)acrylate: Synthesis and properties
Nov 18, 2014 ... Poly(meth)acrylate copolymers containing fluorinated groups possess more ... two types: fluorinated alkyl (meth)acrylates and fluorinated aryl (meth)acrylates. .... acrylate with methyl methacrylate (MMA), styrene, butyl acrylate (BA), and ... and low glass transition temperatures as proposed beforehand.
[ 1-s2.0-S0032386114008428-main.pdf?_tid=9934436a-5940-11e4-b761-00000aacb35e&acdnat=1413909651_a4dc600b8956c5ab6a6375be2eefee5f - Read/Download File
Statistical Copolymers of Benzyl Methacrylate and
Dec 29, 2015 ... glass-transition temperature (Tg) values of the copolymers were ...... of styrene and alkyl methacrylates: Monomer reactivity ratios and.
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Sequence Distribution-Glass Transition Effects - Taylor & Francis
predicted Tg's for STY/MhU copolymers vs the mole 5% styrene in the copolymer. ...  found that heating alkyl methacrylate/vinyl chloride copolymers to 150 to ...
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INTERNATIONAL ABBREVIATIONS FOR POLYMERS AND
Graft copolymer of acrylonitrile-butadiene-styrene-methylmethacrylate. ABSMA Graft copolymer ... Acrylic elastomer, e.g., alkyl acrylate-2-chloroethyl vinyl ether copolymer ...... involves the determination of glass transition tem- peratures (Tg's) ...
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Pressure Effects on the Phase Behavior of Styrene/n-Alkyl
means of driving styrene/n-alkyl methacrylate block copolymers with intermediate side ... coefficient of the order/disorder transition, dTODT/dP, of up to 1.5° C/MPa ( 150° C/kbar). ..... accessible for this material since it lies below the glass.
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Determination of the transition phenomena of poly(α-n-alkyl) - Springer
Nov 18, 2010 ... Moreover, the glass transition temperature Tg was observed to vary from 110 ... various Pn on silica and the more spread chains of the adsorbed polymers. ... leads to an internal plastification effect in poly(α-n-alkyl)methacrylates. ... random copolymers of n-butyl methacrylate with styrene are reported .
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