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Process for preparing vinylidene chloride polymer/clay composites

A technology of vinylidene chloride and composite materials, which is applied in the field of vinylidene chloride polymer composite materials, and can solve problems such as composite materials that do not disclose vinylidene chloride polymers

Active Publication Date: 2017-10-13
SOLVAY SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] For example, WO2006 / 037161A (THE UNIVERSITY OF SYDNEY) 13 / 04 / 2006 has disclosed the application of a RAFT agent in the preparation of polymer-encapsulated solid particles. However, this patent does not disclose the inclusion of a Preparation of Composite Materials of Vinylidene Chloride Polymer

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  • Process for preparing vinylidene chloride polymer/clay composites
  • Process for preparing vinylidene chloride polymer/clay composites

Examples

Experimental program
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Embodiment Construction

[0115] Material

[0116] Acrylic acid was purified by inhibitor removal column (AA, Aldrich, 99%). Butyl acrylate (BA, Aldrich, ≥99%), vinylidene chloride (VDC, Aldrich, 99%) and methyl acrylate (MA, Aldrich, 99%) were distilled under reduced pressure. ) to remove inhibitors.

[0117] Dibenzyl trithiocarbonate (DBTTC) was prepared according to ALI, et al., Langmuir., 2009, Vol. 25, No. 18, p. 10523.

[0118] Aqueous dispersions of colloidal gibbsite platelets: synthesis, characterization and intrinsic viscosity measurement, Colloids and Surfaces A (WIERENGA, A.M, et al. Aqueous dispersions of colloidal gibbsiteplatelets: synthesis, characterization and Intrinsic viscosity measurements. Colloids Surf. A), 1998, Vol. 134, pp. 359-371 Preparation of gibbsite nanoparticle dispersions.

[0119] Using poly[(butyl acrylate) p -co-(acrylic acid) q ]-RAFT reagent to prepare composites containing vinylidene chloride / methyl acrylate copolymer and gibbsite particles.

[0120] Part (...

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Abstract

A method for preparing a vinylidene chloride polymer composite comprising a clay material encapsulated in the vinylidene chloride polymer. The method comprises providing a dispersion of clay material in a liquid phase, said dispersion comprising a RAFT / MADIX agent; vinylidene chloride and optionally one or more ethylenic compounds copolymerizable therewith unsaturated monomers are provided to the dispersion; and vinylidene chloride is polymerized with the optionally present one or more ethylenically unsaturated monomers under the control of the RAFT / MADIX agent so that in Polymers are formed on the surface of the clay material.

Description

[0001] This application claims priority from European Application No. 11306730.0 filed 21 / 12 / 2011, the entire content of which is hereby incorporated by reference for all purposes. technical field [0002] The invention relates to a method for producing composite materials comprising a vinylidene chloride polymer and a clay material. The method comprises polymerizing vinylidene chloride on the surface of a clay material under the control of a RAFT / MADIX reagent. The invention further relates to the vinylidene chloride polymer composite obtained from this process and to the composition obtainable therefrom. Background technique [0003] Vinylidene chloride polymers are typically prepared by a free radical polymerization method; see for example Ullmann's Encyclopedia of Industrial Chemistry, Poly(vinylidene chloride), Willi Weinheim : Published by Wiley VCH-VCH Verlag (WILEY. Weinheim: Wiley-VCH Verlag), 2005. [0004] During the past decade, various controlled free radical ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F214/08C08L27/08C09D7/61
CPCC08F214/08C08F14/08C09D7/61C08F2/44C08K3/346C09D127/08
Inventor J.维纳斯P- E.杜菲尔斯Y.范德维肯
Owner SOLVAY SA