Journal ArticleDOI
Miscibility of polyethyloxazoline with thermoplastic polymers
H. Keskkula,Donald R Paul +1 more
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In this article, a mixture of polyethyloxazoline (PEOx) blends with several other thermoplastic polymers were examined by differential scanning calorimetry (DSC) for miscibility.Abstract:
Polyethyloxazoline (PEOx) blends with several other thermoplastic polymers were examined by differential scanning calorimetry (DSC) for miscibility. Styrene/acrylonitrile (SAN) copolymers having compositions in the range of about 20–40% acrylonitrile (AN) by weight were found to be miscible with PEOx whereas SANs outside this range were not. The polyhydroxyl ether of bisphenol A (Phenoxy) was also found to be miscible with PEOx. A vinylidene chloride copolymer (Saran) was found to be partially miscible with PEOx, whereas poly(methyl methacrylate) and polycarbonate were not miscible at all.read more
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Patent
Water soluble rapid prototyping support and mold material
TL;DR: A water-soluble thermoplastic composition for 3D modeling comprising poly(2-ethyl-2-oxazoline) is described in this paper, which can be used for extrusion in a programmed pattern onto a base as a ribbon of liquified polymer to create a support structure for a prototype object.
Journal ArticleDOI
Effect of copolymer composition on the miscibility of blends of styrene-acrylonitrile copolymers with poly (methyl methacrylate)
TL;DR: In this paper, the phase behavior for blends of various polymethacrylates with styrene-acrylonitrile (SAN) copolymers has been examined as a function of the acrylitrile content of the copolymer.
Journal ArticleDOI
Polymerization of cyclic imino ethers: From its discovery to the present state of the art
Shiro Kobayashi,Hiroshi Uyama +1 more
TL;DR: In this article, a review of the cationic ring-opening polymerization of cyclic imino ethers and functional material production based on the resulting polymers is presented, where various functional polymeric materials such as polymeric nonionic surfactants, compatibilizers, hydrogels, stabilizers for dispersion polymerization, biocatalyst modifiers, and supramolecular assemblies, have been developed.
Patent
Method and apparatus for in-situ formation of three-dimensional solid objects by extrusion of polymeric materials
Kevin Stuffle,Peter Creegan,John L. Lombardi,Paul Calvert,John A. O'Kelly,Robert A. Hoffman,Gabriel C. Chambers +6 more
TL;DR: An apparatus for thermal extrusion of polymeric materials to manufacture prototype mechanical elements from said polymeric material, used for deposition of a liquefied ribbon of the material in patterned layers which solidify to form a three-dimensional prototype element, is described in this paper.
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