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Article
Open AccessChemo-photodynamic therapy with light-triggered disassembly of theranostic nanoplatform in combination with checkpoint blockade for immunotherapy of hepatocellular carcinoma
Hepatocellular carcinoma (HCC) is a common malignant tumor with high rate of metastasis and recurrence. Although immune checkpoint blockade (ICB) has emerged as a promising type of immunotherapy in advanced HC...
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Article
Study on Reservoir Internal Stress Variation and Mud Shale Horizontal Section Slippage Induced by Interregional Pore Pressure Based on Stick-Slip Theory
Casing damage caused by shear stress has been detected in several areas of the Daqing oilfield. Such damage can be caused by marker bed slip in mud shale sections. However, the mechanism of slippage stress in ...
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Article
Numerical simulation on crystallization-induced warpage of injection-molded PP/EPDM part
Prediction on crystallization-induced warpage in injection-molded semi-crystalline polymers is important in satisfying the required specifications of molded products. In this study, we chose a polypropylene (P...
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Article
Enhanced tensile strength and initial modulus of poly(vinyl alcohol)/graphene oxide composite fibers via blending poly(vinyl alcohol) with poly(vinyl alcohol)-grafted graphene oxide
Poly(vinyl alcohol)-grafted Graphene oxide (PVA-g-GO) as novel nanofillers were used to reinforce poly(vinyl alcohol) (PVA) composite fibers via simple wet spinning to promote homogeneous dispersion of reinfor...
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Article
Preparation of a long-alkyl-chain silane grafted organic montmorillonite and its nanocomposite with SEBS
In this study, a modified montmorillonite (W-H-OMMT) was prepared by intercalating pristine montmorillonite using a phosphorus salt and a subsequent grafting using a long-alkyl-chain silane, and the nanocompos...
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Article
Study of the thermal decomposition and flame-retardant mechanism of sulfonated polyoxadiazole fibers
Various proportions of 4,4′-oxybisbenzoic acid (OBBA) were incorporated to obtain the spinning solution of sulfonated polyoxadiazole (SPOD) copolymer through copolymerization in oleum. And the sulfonated fiber...
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Article
Graphene oxide reinforced poly(vinyl alcohol) composite fibers via template-oriented crystallization
Here, a high breaking strength and high initial modulus fibers comprised of polyvinyl alcohol (PVA) and graphene oxide (GO) were fabricated via simple method of solution blending and wet-spinning. The structur...
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Article
Preparation, flame retardancy and thermal degradation behaviors of polyacrylonitrile fibers modified with diethylenetriamine and zinc ions
A kind of flame-retardant polyacrylonitrile fiber was prepared successfully by the modification with diethylenetriamine and zinc ions (Zn2+). The chemical, aggregation and morphological structures of the aminated...
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Article
Influences of solution state on the formation of polyvinyl alcohol as-spun fiber during dry-wet gel spinning
The polyvinyl alcohol (PVA) as-spun fibers were prepared by dry-wet gel spinning, with dimethylsulfoxide (DMSO) as solvent and methanol as the cooling medium. The rheological properties of spinning solutions, ...
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Article
Thermal degradation behavior and probable mechanism of aromatic poly(1,3,4-oxadiazole)s fibers
Thermal degradation behavior and mechanism of aromatic poly(1,3,4-oxadiazole)s fibers (POD fibers) under nitrogen and air were studied. The thermal stability of POD under air and nitrogen was investigated by t...
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Article
Influence of water on polyvinyl alcohol sol–gel transition and gel spinning
In order to investigate the effect of water on polyvinyl achohol sol–gel transition in gel spinning, the polyvinyl alcohol (PVA) solutions and their gels were prepared using different weight ratio of dimethyls...
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Article
Effects of the reaction degree of melamine-formaldehyde resin on the structures and properties of melamine-formaldehyde/polyvinyl alcohol composite fiber
Composite fibers made of polyvinyl alcohol (PVA) and melamine-formaldehyde (MF) resins with different reaction degrees were prepared by wet spinning. The phase structures of MF/PVA spinning dopes and composite...
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Article
Hydrogen bond and crystalline structure of the junction network in polyvinyl alcohol/dimethysulfoxide gels
The hydrogen bond and aggregation structures of polyvinyl alcohol (PVA) gels prepared with dimethylsulfoxide (DMSO) were investigated as were the the rheological properties. The variable temperature Fourier Tr...
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Article
Bisphenol A-based co-polyarylates: synthesis, properties and thermal decomposition mechanism
A series of co-polyarylates containing m-aryl ether units were synthesized from bisphenol A, 1,3-bis(4′-formylchloridephenoxy)benzene and terephthaloyl chloride via interfacial polycondensation in order to improv...
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Article
Study of synthesizing energy storage microcapsules in PVA spinning solution and thermal regulating fibers prepared by this solution
Thermal regulating fiber has been a research hotspot worldwide recently. In this paper, the energy storage microcapsules composed of silicon dioxide (SiO2) as shell and paraffin as core were synthesized in the sp...
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Article
N-Vinylformamide as a route to amine-containing latexes and microgels
Amine-containing poly(N-isopropylacrylamide) (PNIPAM) microgels and polystyrene-core-polyvinylamine-shell latexes were prepared by copolymerization with N-vinylformamide (NVF) followed by acid hydrolysis. Semi-ba...
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Article
Stereoregular polymerization of glycidyl phenyl ether catalyzed by dibutyltin oxide-tributyl phosphate condensates