Application of nanometre materials in modifying acrylate latex / Yilu Gong in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 209, N° 4651 (05/2019)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 209, N° 4651 (05/2019) . - p. 51-53 Titre : Application of nanometre materials in modifying acrylate latex Type de document : texte imprimé Auteurs : Yilu Gong, Auteur ; Tantan Shao, Auteur ; Xin Zhang, Auteur ; Dawei Chen, Auteur ; Zhibin Cai, Auteur ; Lijun Chen, Auteur Année de publication : 2019 Article en page(s) : p. 51-53 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Dioxyde de titane Latex Nanoparticules Oxyde de silicium Oxyde de zinc Polyacrylates Polymères en émulsion Index. décimale : 667.9 Revêtements et enduits Résumé : Acrylate latex is widely used in coating film forming agents, textile printing and dyeing adhesives, daily chemical products, medical polymers etc. However, the drawbacks of the acytate, such as poor water resistance, easy brittleness at low temperature and losing adhesion at high temperature have limited its further application. Thus, it is necessary to modify the latex to widen its application. Nowadays, more and more attention has been focused on nanometre-acrylate composite materials, such as silicon dioxide, titanium dioxide, alumina, zinc oxide etc, which have been used in emulsion polymerisation to improve the properties of acrylate latex because of the particular properties of the nanometer materials. In this paper, the modification of acrylate latex with nanometer materials is reviewed in detail, which can bring some inspiration to modification of the acrylate latex. Note de contenu : - Single component nanomaterials - Two-component nano-composite system - organic-inorganic nanocomposite system En ligne : https://drive.google.com/file/d/1ygMoEZr9RkH6AByTX6ZxgTq3BbG_rBOJ/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32609 [article]

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Research progress on environmentally friendly acrylate polymers / Yilu Gong in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 209, N° 4653 (08/2019)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 209, N° 4653 (08/2019) . - p. 48-50 Titre : Research progress on environmentally friendly acrylate polymers Type de document : texte imprimé Auteurs : Yilu Gong, Auteur ; Tantan Shao, Auteur ; Lijun Chen, Auteur Année de publication : 2019 Article en page(s) : p. 48-50 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Emulsifiants Polyacrylates Polymères -- Aspect de l'environnement Polymères en émulsion Polymères hydrosolubles Surfactants Index. décimale : 667.9 Revêtements et enduits Résumé : Acrylate polymer emulsions are widely used in synthetic rubber, surface coatings, adhesives, textiles, aerospace manufacturing, pharmaceuticals, plastics and many other fields. At present, the requirement of the state and the government for environmental protection is becoming more strict, which makes the development of environmentally friendly acrylate polymer emulsions more and more imperative. In this paper, the research progress of environmentally friendly acrylate polymer emulsions is reviewed and summarised, including the study of water-soluble acrylates, the research of new emulsifiers acrylate polymers, the use of polymerisable surfactants, and the modification of acrylate polymers. It also provides a reference for the application of environmentally friendly acrylate polymer emulsions. Note de contenu : - Water soluble acrylate polymer - New emulsifier acrylate polymer - Polymerisable surfactant - Modified acrylate polymers En ligne : https://drive.google.com/file/d/1RAN8fP7fdOC2e-ZTLIojUjZPvclSAFvz/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32883 [article]

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Research progress on self-crosslinking fluorocarbon acrylate polymers / Tantan Shao in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 209, N° 4655 (10/2019)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 209, N° 4655 (10/2019) . - p. 37-39 Titre : Research progress on self-crosslinking fluorocarbon acrylate polymers Type de document : texte imprimé Auteurs : Tantan Shao, Auteur ; Xiaolong Chen, Auteur ; Yilu Gong, Auteur ; Zhibin Cai, Auteur ; Lijun Chen, Auteur Année de publication : 2019 Article en page(s) : p. 37-39 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Auto-réticulation Fluoropolymères Hydrophobie Polyacrylates Polyacryliques Réticulants Revêtements -- Propriétés mécaniques:Peinture -- Propriétés mécaniques Revêtements en phase aqueuse -- Séchage:Peinture en phase aqueuse -- Séchage Stabilité thermique Index. décimale : 667.9 Revêtements et enduits Résumé : For its drawbacks of poor water resistance and thermal stability, acrylate polymer has been improved by several methods. The first use is to introduce a fluorine/silicon-containing monomer into the polymer. A highly hydrophobic emulsion film is prepared by high electro-negativity and low surface energy of the fluorine monomer and the Silicon monomer realises crosslinking between molecules, through self-hydrolysis and polycondensation processes and converts the linear form of the polymer molecules into a network structure to increase the degree of crosslinking of the emulsion. In recent years, a crosslinking system has been introduced into the emulsion polymerisation system. Studies conclude that the application of crosslinking monomers and crosslinking agents can effectively achieve outstanding properties in water resistance, thermal stability and mechanical stability. However, reporters have seldom been shown in public about preparing self-crosslinking long fluorocarbon acrylate polymers. Note de contenu : - Acrylate polymer containing fluorine - Self-crosslinking acrylate polymer - Self-crosslinking acrylate containing fluorine En ligne : https://drive.google.com/file/d/11sShS9aRRqKsGNlIhGqXDwavEaTt5WSz/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33125 [article]

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Synthesis and characterisation of silicone polyacrylate latex emulsified by green surfactants / Yilu Gong in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 209, N° 4649 (03/2019)  

[article]  inPOLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 209, N° 4649 (03/2019) . - p. 33-36 Titre : Synthesis and characterisation of silicone polyacrylate latex emulsified by green surfactants Type de document : texte imprimé Auteurs : Yilu Gong, Auteur ; Tantan Shao, Auteur ; Xin Zhang, Auteur ; Dawei Chen, Auteur ; Lijun Chen, Auteur Année de publication : 2019 Article en page(s) : p. 33-36 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Angle de contact Biosurfactants Caractérisation Copolymère silicone acrylate Copolymères -- Synthèse Emulsifiants Humidité -- Absorption:Eau -- Absorption Latex Monomères Revêtements en phase aqueuse Index. décimale : 667.9 Revêtements et enduits Résumé : The modified latex was successfully prepared by semi-continuous seeded emulsion polymerisation with a green mixed emulsifier of polyether nonions with double bonds (AE-100) and alkyl alcohol polyether sodium sulphate anionic emulsifier (ES-430S). The mixed monomers of MMA, BA and vinyl triethoxysilane (VETS) were initiated with potassium persulphate (KPS). The structure and properties of the resultant latex were characterised by Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA) differential scanning calorimetry (DSC) and contact angle (CA). The conditions for preparing the latex were instigated in detail. Results indicate that the optimal conditions of preparing the latex are as follows: the amount of mixed emulsifiers is 6.0% ; the optimum mass ratio of AE-100 to ES-4305 is 1:1.5 ; the amount of initiator is 0.7% ; the mass rate of main monomers of MMA: BA =1:1 and amount of VIES is 6.0%. In addition, the resultant latex shows good thermal stability and hydrophobicity. Note de contenu : - EXPERIMENT : Materials - Preparation of modified latex - Characterisation - RESULTS AND DISCUSSION : FTIR and DSC of films - Influence of mass ratio of monomer on properties of latex - Effect of amount of emlusifier and mass ratio on properties of latex - Water absorption and contact angle - Fig. 1 : Synthetic pathway of preparing modified latex - Fig. 2 : FTIR of latex film - Fig. 3 : DSC of film - Fig. 4 : Effect of different mass ratios of emulsifier on conversion percentage (A) and coagulation percentage (B) - Fig. 5 : Influence of amount of VTES on contact angle (B) and water absorption (C) - Fig. 6 : Contact angles of film la 77.6°, conventional latex film ; b 89.6°, modified latex film) - Fig. 7 : TGA of latex film (a : conventional latex film ; b : modified latex film) - Table 1 : Recipe of preparing modified latex - Table 2 : The effect of the amount of emulsifiers on average particle size - Table 3 : Influence of mass radio of monomer on properties of lates - Table 4 : Influence of amount of emulsifier on properties of latex En ligne : https://drive.google.com/file/d/1YrbMdfoE1Li2zajO9lRzKpc2h_ehnrTQ/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32122 [article]

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