Results 111 to 120 of about 133,066 (344)
Facile synthesis of two-photon absorbing polymers through radical copolymerization
eXPRESS Polymer Letters, 2007 A two-photon absorbing polymer has been prepared through radical copolymerization of methyl acrylate and a synthesized monomer containing a two-photon absorbing chromophore (E,E,E)-1,3,5-tristyrylbenzene (1), under conventional radical polymerization ...
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Determination of Molecular Weight and Molecular Weight Distribution by Gel Permeation Chromatography
, 1967 Saburoe Yamada +3 more
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Current Approaches and Challenges in Advanced Oxidation Processes for Nanoplastic Degradation
Advanced Science, EarlyView.This review explores recent progress in advanced oxidation processes (AOPs) for the degradation of nanoplastics (NPs) in water. It presents a comparative assessment of key AOP technologies and identifies current limitations in analytical methods and treatment efficiency.
Arezou Fazli +2 more
wiley +1 more source
Cyclic polyesters prepared by poly(oxypropylene oxymaloyl) ring-chain reactions
eXPRESS Polymer Letters, 2007 The synthesis of cyclic polyesters of poly(oxypropylene oxymaloyl) from a ring-chain reaction was carried out at 40°C with 'Maghnite' an acid exchanged montmorillonite as acid solid ecocatalyst (Mag–H+).
doaj +1 more source
Gel Permeation Chromatography Process For Highly Oriented Cs3Cu2I5 Nanocrystal Film [PDF]
, 2021 Yu-Hong Cheng +8 more
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Preparation of polystyrene gels for gel permeation chromatography
BUNSEKI KAGAKU, 1970 ゲルパーミエーションクロマトグラフィー用ポリスチレンゲルを試作し,適用性につき論じた.ゲルは無溶媒改質ゲル,良溶媒改質ゲル,貧溶媒改質ゲルの三つのタイプに分類した.無溶媒改質ゲルは分子量の比較的小さい(数百以下),有機物,低分子ポリマーの分離に有効であった.溶媒改質ゲルにおいては,重合時に加える希釈剤の溶解度係数が生成ゲルの穴の大きさと,かなり密接な関係があることを見いだした.良溶媒改質ゲルは数百から数千の分子量を持つ高分子の分離に適している.貧溶媒(特にイソアミルアルコールートルエン)改質ゲルによって数千から106以上の分子量を持つ高分子の分離も可能であった.
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Advanced Science, EarlyView.A supramolecular polymer network is constructed through the assembly of metal‐coordinated nanoparticles induced by the crosslinking of dynamic covalent disulfide bond. The resulting supramolecular adhesive exhibited excellent adhesion performance, including strong adhesion strength, exceptional solvent resistance, and distinct reversible adhesion ...
Yanyan Guo +3 more
wiley +1 more source
Analytical and Bioanalytical Chemistry, 2016 V. Pedan, N. Fischer, S. Rohn
semanticscholar +1 more source
Advanced Science, EarlyView.A dual‐wavelength responsive hydrogel glue achieves orthogonal control of bonding and debonding: visible light drives crosslinking via acrylic acid, while ortho‐nitrobenzyl (ONB) units enable rapid UV‐triggered network cleavage. This smart adhesive offers strong adhesion, fast on‐demand debonding, and spatiotemporal precision for potential applications
Huaming Wang +9 more
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