Ethylcellulose in Organic Solution or Aqueous Dispersion

Ethylcellulose in Organic Solution or Aqueous Dispersion

  • ethylcellulose in organic solution or aqueous dispersion form

    Ethylcellulose in Organic Solution or Aqueous Dispersion Form

    Ethylcellulose in Organic Solution or Aqueous Dispersion Form in Designing Taste-Masked Microparticles by the Spray Drying Technique with a Model Bitter Drug: Rupatadine Fumarate Katarzyna Wasilewska 1, Marta Szekalska 1, Patrycja Ciosek-Skibinska 2, Joanna Lenik 3, Anna Basa 4, Julia Jacyna 5, Michal Markuszewski 5 and Katarzyna Winnicka 1,*

  • excipient update – solvent-less film coatings: new

    EXCIPIENT UPDATE – Solvent-Less Film Coatings: New

    Ethylcellulose is broadly accepted due to its outstanding safety profile and ease of use in conventional spray-coating equipment. Film-coating operations with ethylcellulose can be completed using solutions of ethylcellulose in organic solvents or from aqueous dispersions.

  • preparation of ethylcellulose latex by aqueous dispersions

    Preparation of Ethylcellulose Latex by Aqueous Dispersions

    dispersions are preferred over organic solutions for film coating processes [4, 5]. Ethylcellulose is hydrophobic and has been successfully formulated into commercially available aqueous coating dispersions. These commercially available aqueous coating dispersions contain discrete ethylcellulose spheres. Each of these ethylcellulose spheres, with

  • ethyl cellulose aqueous dispersion: a coating system for oral

    Ethyl cellulose aqueous dispersion: a coating system for oral

    Formulation and process considerations for ethyl cellulose aqueous dispersion in sustained-release applications. Ethyl cellulose aqueous dispersion: a coating system for oral sustained-release dosage forms | Pharmaceutical Technology

  • ethylcellulose aqueous dispersion - drugfuture

    Ethylcellulose Aqueous Dispersion - drugfuture

    » Ethylcellulose Aqueous Dispersion is a colloidal dispersion of Ethylcellulose in water. It contains not less than 90.0 percent and not more than 110.0 percent of the labeled amount of Ethylcellulose. It contains suitable amounts of Cetyl Alcohol and Sodium Lauryl Sulfate, which assist in the formation and stabilization of the dispersion.

  • ethylcellulose aqueous dispersion, chemical structure

    Ethylcellulose Aqueous Dispersion, chemical structure

    »Ethylcellulose Aqueous Dispersion is a colloidal dispersion of Ethylcellulose in water.It contains not less than 90.0percent and not more than 110.0percent of the labeled amount of Ethylcellulose.It contains suitable amounts of Cetyl Alcohol and Sodium Lauryl Sulfate,which assist in the formation and stabilization of the dispersion.It may contain suitable antifoaming and antimicrobial agents.

  • investigation of venlafaxine hcl release from extruded and

    Investigation of Venlafaxine HCl Release from Extruded and

    organic solution differs from that of an aqueous dispersion, with the latter demonstrating a lower mechanical strength (1). Even though the aqueous dispersions of ethylcellulose have been successfully used in the marketplace (2), the lower tensile VWUHQJWKRIWKHDTXHRXV(&GLVSHUVLRQ¿OPVPD\XOWLPDWHO\ impact the performance of some formulations ...

  • comparison of physicomechanical properties of films prepared

    Comparison of physicomechanical properties of films prepared

    While comparison of organic and aqueous polymeric dispersion on performance of coated dosage forms has been well documented, limited knowledge is available regarding the comparison of mechanical properties of free films prepared from organic solutions and aqueous dispersion of polymers.

  • aqueous ethylcellulose dispersion of ethylcellulose. i

    Aqueous Ethylcellulose Dispersion of Ethylcellulose. I

    Three selected independent coating process variables, namely, percent solids content in the coating polymeric dispersion, inlet-air temperature, and spray rate of the polymeric dispersion, were investigated in this study to determine their effect on the performance characteristics of tablets coated with a plasticized aqueous ethylcellulose ...

  • comparison - aqueous vs. solvent - coating place, inc.

    Comparison - Aqueous vs. Solvent - Coating Place, Inc.

    Since an aqueous dispersion of ethylcellulose is clearly different from a solution in organic solvents, it is also clear that the aqueous form should not be used as a direct replacement for organic solutions. We must keep the differences and peculiarities of the aqueous form in mind if we are to realize maximum benefit of this material.

  • ethylcellulose in organic solution or aqueous dispersion form

    Ethylcellulose in Organic Solution or Aqueous Dispersion Form

    Spray dried samples at different drug:polymer ratios were prepared using organic solution (Ethocel®) or aqueous dispersions of EC (Surelease®, Aquacoat® ECD). Evaluation of the taste masking efficacy was performed in vivo in human taste panel, in vitro based on dissolution test, and by self-constructed electronic tongue.

  • preparation of ethylcellulose latex by aqueous dispersions

    Preparation of Ethylcellulose Latex by Aqueous Dispersions

    dispersions are preferred over organic solutions for film coating processes [4, 5]. Ethylcellulose is hydrophobic and has been successfully formulated into commercially available aqueous coating dispersions. These commercially available aqueous coating dispersions contain discrete ethylcellulose spheres. Each of these ethylcellulose spheres, with

  • ethylcellulose aqueous dispersion, chemical structure

    Ethylcellulose Aqueous Dispersion, chemical structure

    »Ethylcellulose Aqueous Dispersion is a colloidal dispersion of Ethylcellulose in water.It contains not less than 90.0percent and not more than 110.0percent of the labeled amount of Ethylcellulose.It contains suitable amounts of Cetyl Alcohol and Sodium Lauryl Sulfate,which assist in the formation and stabilization of the dispersion.It may contain suitable antifoaming and antimicrobial agents.

  • acceptance criteria: ethylcellulose aqueous dispersion impurities

    Acceptance criteria: Ethylcellulose Aqueous Dispersion IMPURITIES

    Ethylcellulose Aqueous Dispersion IMPURITIES DEFINITION Ethylcellulose Aqueous Dispersion is a colloidal dispersion ofDelete the following: Ethylcellulose in water. It contains NLT 90.0% and NMT • 110.0% of the labeled amount of ethylcellulose. It con-.• HEAVY METALS, Method II 〈231〉: NMT 10µg/g• (Official 1-

  • organic solution versus aqueous dispersion of eudragit rs in

    Organic solution versus aqueous dispersion of Eudragit RS in

    The aim of this study was to compare aqueous dispersion and organic solution of Eudragit RS in preparation of sustained release theophylline microparticles using spray drying technique.

  • aqueous ethylcellulose dispersion of ethylcellulose. i

    Aqueous Ethylcellulose Dispersion of Ethylcellulose. I

    Polymer for enteric coating can be applied to solid dosage forms (i.e. granules, pellets, or tablets) from aqueous solutions of alkali salts, or organic solvent solutions.

  • aqueous ethylcellulose dispersion of ethylcellulose. i

    Aqueous Ethylcellulose Dispersion of Ethylcellulose. I

    Three selected independent coating process variables, namely, percent solids content in the coating polymeric dispersion, inlet-air temperature, and spray rate of the polymeric dispersion, were investigated in this study to determine their effect on the performance characteristics of tablets coated with a plasticized aqueous ethylcellulose ...

  • us20170292010a1 - aqueous ethylcellulose dispersions with

    US20170292010A1 - AQUEOUS ETHYLCELLULOSE DISPERSIONS With

    Provided is an aqueous composition having pH of 8 or higher and comprising (a) a solid phase comprising dispersed particles that comprise an amount of ethylcellulose polymer, (b) an amount of one or more polymeric dispersants, wherein said polymeric dispersant has a weight-average molecular weight of 5,000 daltons or higher, and wherein said polymeric dispersant has an acid value of 60 to 190 ...

  • influence of storage conditions and type of plasticizers on

    Influence of storage conditions and type of plasticizers on

    Ethylcellulose (5, 6) and acrylates (7) are among the most commonly used polymers in the production of coated controlled-release dosage forms. As these poly-mers are insoluble in water, they have to be applied either in the form of an organic solution or an aqueous dispersion (8). As organic solvents are associated with

  • dow pharma solutions ethocel high productivity (hp) polymers

    Dow Pharma Solutions ETHOCEL High Productivity (HP) Polymers

    batch as compared to aqueous ethylcellulose and organic ETHOCEL™. The data presented includes a 2 hour cure step required for applications of aqueous dispersions of ethylcelluose and a 30 minute cure step required for ETHOCEL™ HP. For example, at 20%

  • aqueous ethylcellulose dispersion of ethylcellulose. i

    Aqueous Ethylcellulose Dispersion of Ethylcellulose. I

    Polymer for enteric coating can be applied to solid dosage forms (i.e. granules, pellets, or tablets) from aqueous solutions of alkali salts, or organic solvent solutions.

  • 1 : ethylcellulose, in the form of an aqueous dispersion…

    1 : Ethylcellulose, in the form of an aqueous dispersion…

    PLASTICS AND ARTICLES THEREOF. Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms. Other. Other. Ethylcellulose, in the form of an aqueous dispersion containing hexadecan-1-ol and sodium dodecyl sulphate, containing by weight 27 (± 3) % of ethylcellulose.

  • aqueous ethylcellulose coating technologyⅠ .comparision of

    Aqueous Ethylcellulose Coating TechnologyⅠ .Comparision of

    Two commercially available aqueous ethylcellulose dispersions,Aquacoat R and Surelease R,were chosen as coating material to investigate aqueous coating technology on sustained release pellets preparation.The physicochemical properties of two aqueous dispersions were determined includingp H,viscosity,minimum film forming temperature and Tg.The compatibility of aqueous dispersions and some ...

  • excipient update – solvent-less film coatings: new

    EXCIPIENT UPDATE – Solvent-Less Film Coatings: New

    Film-coating operations with ethylcellulose can be completed using solutions of ethylcellulose in organic solvents or from aqueous dispersions. ETHOCELTM brand ethylcellulose is the oldest trademarked brand available from The Dow Chemical Company and continues to be an exciting source of innovation.

  • comparison between ethylcellulose aqueous colloidal

    Comparison between Ethylcellulose Aqueous Colloidal

    S. Sungthongjeen and S. Puttipipatkhachorn, "Comparison between Ethylcellulose Aqueous Colloidal Dispersion and Ethylcellulose Ethanolic Solution as Rupturable Coating Materials for Pulsatile Release Tablets", Advanced Materials Research, Vol. 506, pp. 489-492, 2012

  • curing of aqueous polymeric film coatings: importance of the

    Curing of aqueous polymeric film coatings: Importance of the

    Preparation of aqueous polymer dispersions lower magnification higher magnification Aqueous ethylcellulose dispersion was plasticized overnight (16 h magnetic stirring) with 24% (w/w, based on the dry mass of the aqueous dispersion) water-insoluble (DBS or Myvacet 9–45) or water-soluble (TEC) plasticizers and adjusted to 15% (w/w) dry surface ...

  • aqueous ethyl cellulose dispersion - asha cel

    Aqueous Ethyl Cellulose Dispersion - ASHA Cel

    ASHAKOTE® Aqueous Ethyl Cellulose Dispersion Asha Cellulose (I) Pvt Ltd is the only company in the world to produce both the Ethylcellulose polymer and Aqueous Ethylcellulose Dispersion.

  • tensile properties of free films cast from aqueous

    Tensile Properties of Free Films Cast from Aqueous

    Abstract. Free films of two commercially available formulations of aqueous ethylcellulose dispersion differing only in plasticizer content (Surelease/E-7-7050 without silica and E-7-7060 containing dibutyl sebacate and glyceryl tricaprylate/caprate as plasticizers, respectively) were cast and coalesced at temperatures ranging between 30 and 70°C.

  • ethylcellulose dispersion and powder - patents.justia

    ETHYLCELLULOSE DISPERSION AND POWDER - patents.justia

    Preparation of Aqueous Dispersions with Colloid Stabilizer. The aqueous dispersion of Comparative Example C3 was modified by the addition of colloid stabilizer, either polyvinyl alcohol (PVA) or polyvinyl pyrrolidone (PVP). Colloid stabilizer in 10 wt % aqueous solution was added into the ethylcellulose dispersion under agitation.

  • ethyl cellulose - general information, process, products

    Ethyl Cellulose - General Information, Process, Products

    Ethyl cellulose is used as a food additive as an emulsifier. Ethylcellulose content of pellets of various size fractions coated with an aqueous ethylcellulose dispersion (Surelease®) was measured by a GPC/HPLC with a refractive index detector.