Results 341 to 350 of about 159,977 (388)
Some of the next articles are maybe not open access.

Blends of biorenewable polyamide-11 and polyamide-6,10

Polymer, 2013
Biorenewable polyamide-11 (PA11) is blended with partially biorenewable polyamide-6,10 (PA610) to produce thermoplastics of varying renewable carbon content. DSC thermograms show melting point depression for the PA610 crystals with increasing PA11 composition thus indicating that the two polyamides are fully miscible in the melt; the blends exhibit ...
Ruehle, David A.   +6 more
openaire   +3 more sources

Polyesters and polyamides

2008
Part 1 Polyester and polyamide fundamentals: Polyester resins Polyamide fibres Manufacture of polyester fibres Manufacture of polyamide fibres Poly (lactic acid) fibres (PLA) Environmental impact of polyester and polyamide textiles. Part 2 Improving functionality of polyesters and polyamides: Specialty fibres from polyester and polyamides Property ...
Bhuvanesh Gupta   +3 more
openaire   +2 more sources

Polyamides Nylons

2008
High-molecular-weight polyamides are commonly known as nylon. Polyamides are crystalline polymers typically produced by the condensation of a diacid and a diamine. Chemical structures with effects of weathering, common stabilizers, manufacturers, and trade names along with typical end uses of the plastics are included besides extensive tabular and ...
openaire   +11 more sources

Polyamides

1998
This chapter illustrates some examples of the structural and dynamic analyses performed for polyamides such as nylon 4, 6, 7, 11, and 66, including the oriented fibers of aromatic polyamides, poly( m- phenylene isophthalamide) (PMIA) and poly(4-methyl- m -phenylene terephthalamide) (P4-MPTA).
Tetsuo Asakura, Isao Ando
openaire   +2 more sources

Sulfonation of Polyamides

Israel Journal of Chemistry, 1974
AbstractThe sulfonation of polyamides (Nylons‐3,6,11 and 6,6) was investigated using fuming sulfuric acid and solutions of SO3 in CCl4. The sulfonated polymers were soluble in water and insoluble in ethanol. Acid hydrolysis of the polymers and quantitative determination of the amino acids in the hydrolysate showed the presence of α‐sulfo amino acids ...
Albert Zilkha, Jacob Vaya
openaire   +2 more sources

Dielectric studies of hyperbranched aromatic polyamide and polyamide‐6,6 blends

Journal of Applied Polymer Science, 2005
AbstractThe objective of this work was to study the interactions between polyamide‐6,6 (PA‐6,6) and hyperbranched (HB) polyamide with different functional end groups. The investigation focused on the thermal, dielectric, and viscoelastic properties of two kinds of HB polyamides, with amine and alkyl end groups, prepared by a one‐pot process, in a ...
Hakme, C.   +7 more
openaire   +3 more sources

Biorenewable blends of polyamide‐4,10 and polyamide‐6,10

Journal of Applied Polymer Science, 2016
ABSTRACTBiobased polymers hold the promise of greatly improved sustainability metrics. In this study, semicrystalline polymer blends are formulated between two partially biorenewable polyamides. Polyamide 4,10 (PA410) is melt mixed with polyamide‐6,10 (PA610).
Christopher S. Moran   +4 more
openaire   +2 more sources

Studies on Molecular Composites of Polyamide 6/Polyamide 66

Macromolecular Rapid Communications, 2004
AbstractSummary: A series of molecular composites of PA 6/PA 66 was synthesized via in situ polymerization. The impact resistance of PA 6 was improved dramatically by incorporating a minor amount of PA 66 (2–10 wt.‐%), without decreasing the tensile strength.
Guisheng Yang, Yulin Li
openaire   +2 more sources

Polyamides and Polyimides

1989
Bulk of polyamide materials are used in the form of fibers, they have also become of some importance as specialty thermoplastics of particular use in engineering applications. The fiber-forming polyamides and their immediate chemical derivatives and copolymers are often referred to as nylons.
openaire   +2 more sources

Nanofoaming of Polyamide Desalination Membranes To Tune Permeability and Selectivity

, 2018
Recent studies have documented the existence of discrete voids in the thin polyamide selective layer of composite reverse osmosis membranes. Here we present compelling evidence that these nanovoids are formed by nanosized gas bubbles generated during the
Xiao-hua Ma   +6 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy