[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Hong et al., 2021 - Google Patents

The effect of degree of polymerization on the structure and properties of polyvinyl alcohol fibers with high strength and high modulus

Hong et al., 2021

Document ID
1706931613746196305
Author
Hong X
Xu Y
Zou L
Li Y
He J
Zhao J
Publication year
Publication venue
Journal of Applied Polymer Science

External Links

Snippet

Polyvinyl alcohol (PVA) fibers were prepared using PVA with different degree of polymerization (DP) under the same wet spinning process. The effect of the DP of PVA on the structures and properties of PVA and PVA fibers were studied by using nuclear magnetic …
Continue reading at onlinelibrary.wiley.com (other versions)

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
    • C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions or lattices by other methods than by solution, emulsion or suspension polymerisation techniques
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • D—TEXTILES; PAPER
    • D01—NATURAL OR ARTIFICIAL THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/74—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polycondensates of cyclic compounds, e.g. polyimides, polybenzimidazoles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring

Similar Documents

Publication Publication Date Title
Hong et al. The effect of degree of polymerization on the structure and properties of polyvinyl alcohol fibers with high strength and high modulus
Hong et al. Preparation and characterization of high strength and high modulus PVA fiber via dry‐wet spinning with cross‐linking of boric acid
Zhang et al. Preparation of high performance copolyimide fibers via increasing draw ratios
Chang et al. Structure–property relationship of polyimide fibers containing ether groups
Chang et al. Structures and properties of polyimide fibers containing ether units
He et al. Highly strong and highly tough electrospun polyimide/polyimide composite nanofibers from binary blend of polyamic acids
Hao et al. Highly isotactic (> 60%) polyacrylonitrile-based carbon fiber: Precursor synthesis, fiber spinning, stabilization and carbonization
Hao et al. Effect of coagulation conditions on solvent diffusions and the structures and tensile properties of solution spun polyacrylonitrile fibers
Zhang et al. Heat-resistant polybenzoxazole nanofibers made by electrospinning
Govinna et al. Melt-electrospinning of poly (ether ether ketone) fibers to avoid sulfonation
Liu et al. Poly (aryl ether ketone ketone) s containing diphenyl-biphthalazin-dione moieties with excellent thermo-mechanical performance and solubility
Li et al. Preparation and characterization of all para‐position polysulfonamide fiber
Yan et al. A high-performance aromatic co-polyimide fiber: structure and property relationship during gradient thermal annealing
Liu et al. Effect of pendent phenyl and bis-phthalazinone moieties on the properties of N-heterocyclic poly (aryl ether ketone ketone) s
Li et al. Fabrication of poly (bis-benzimidazole imide) fibers with enhanced mechanical properties and high limit oxygen indexes
Cheng et al. High‐strength and high‐toughness polyimide nanofibers: Synthesis and characterization
Sayyar et al. Wet‐spinning and carbonization of graphene/PAN‐based fibers: Toward improving the properties of carbon fibers
Tu et al. Crystallinity of poly (arylene ether nitrile) copolymers containing hydroquinone and bisphenol A segments
Wang et al. Structure‐property relationship of polyimide fibers with high tensile strength and low dielectric constant by introducing benzimidazole and trifluoromethyl units
Yi et al. Tensile modulus enhancement and mechanism of polyimide fibers by post-thermal treatment induced microvoid evolution
Liu et al. Gel spinning of polyacrylonitrile fibers with medium molecular weight
Bao et al. Fabrication and properties of polyimide copolymer fibers containing pyrimidine and amide units
Moskowitz et al. Evolution of polyacrylonitrile precursor fibers and the effect of stretch profile in wet spinning
Liu et al. Structure and properties of partially cyclized polyacrylonitrile‐based carbon fiber—precursor fiber prepared by melt‐spun with ionic liquid as the medium of processing
Yu et al. Structure and property development of aromatic copolysulfonamide fibers during wet spinning process