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Showing 1 to 20 of 687 for “"Vinyl"”.
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DIFFUSION CONTROLLED VINYL POLYMERIZATION
… rate and the molecular weight distribution of vinyl polymers can change markedly during the course of polymerization and that these changes are due to the influence of self-diffusion upon the termination reaction. This phenomenon is commonly referred to as the gel effect and in order to explain …
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Spectroscopic Characterization of Molecular Interdiffusion at a Poly(Vinyl Pyrrolidone) / Vinyl Ester Interface
Mechanical properties of (woven carbon fiber / vinyl ester matrix) composites can be greatly improved if the interphase between the reinforcing high-strength low-weight fiber and the thermoset resin is made more compliant. In order to improve the adhesion of the vinyl ester matrix to the carbon …
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Hindered Ortho-Vinyl Diaryl Ketones
Made available in DSpace on 2014-12-05T19:37:30Z (GMT). No. of bitstreams: 1 6003963.pdf: 4746035 bytes, checksum: 00d9c931b32ed779c89550d2513bd144 (MD5) Previous issue date: 1960
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Stereochemistry of Vinyl and Alkyllithium Compounds
Made available in DSpace on 2014-12-05T19:37:29Z (GMT). No. of bitstreams: 1 6003943.pdf: 4732671 bytes, checksum: 9632595398d4a129e56f4e007484586d (MD5) Previous issue date: 1960
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Moisture diffusion through vinyl ester/clay nanocomposites
Moisture diffusion was studied through vinyl ester samples containing up to 5 wt% montmorillonite clay; two different kinds of clay surface treatments were employed to make the clay compatible with the vinyl ester resin. These nanocomposites were characterized using differential scanning …
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Synthesis and characterisation of vinyl block copolymers
… end. Characterisation of poly(styrene )-b-poly(4-vinylpyridine) and poly(styrene)-b-poly(4-vinylpyridine methyl iodide) diblock copolymers using static light scattering techniques, showed the formation of star-shaped 'reverse' micelles when placed in toluene. Temperature effects on micellization …
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In the Groove: A Documentary about Vinyl
… ‘In the Groove’ is to tell the story of why vinyl records, a music format written off as a casualty to the digital age is experiencing a cultural resurgence. In the last several years vinyl records have been the only musical format to record positive sales growth. </p> <p>For many musicians …
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Yield improvement efforts in vinyl siding production
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1996.
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Dielectric dispersion of poly(vinyl acetate) solutions
The dielectric dispersion of poly(vinyl acetate) solutions was studied in an attempt to relate this behavior to the chemical nature of the material. The bridge method was employed in which capacitance measurement of solutions were made over a frequency range of 400 cycles to 500 kilocycles. The …
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The Design and Synthesis of β-Keto Vinyl Sultams and Macrocyclic β-Keto Vinyl Sultams: Novel Analogs of Tetramic Acids
Sulfur (S)-containing heterocyclic compounds possessing R1R2N–SO2R3 functionality have been recognized as important due to their innate physical properties that affect biological systems marking them as attractive targets for probing biological pathways. Specifically, sulfonamides and sultams …
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