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Anhui Liwei Chemical Co., Limited.

EcoVAE 1609 Emulsão VAE com baixo teor de COV

    • Nome do produto: EcoVAE 1609 Emulsão VAE com baixo teor de COV
    • Site da Factroy: Lingwu, Yinchuan, Ningxia, China
    • Consulta de preço: sales2@liwei-chem.com
    • Fabricante: Anhui Liwei Chemical Co., Limited.
    • Contacte Agora
    Especificações
    Código SH 810615
    Aparência Líquido branco leitoso
    Conteúdo Sólido 55 ± 1
    Viscosidade Mpa S Brookfield Rvt 4 20 Rpm 25 C 3000 - 6000
    O Ph 4.5 - 6,5
    Tamanho Das Partículas μm 0,5 - 3,0
    Densidade G Cm³ 25 C 1,06 - 1,10
    Acetato De Vinilo Residual Ppm <500
    Teor De Cov G L <10
    Estabilidade Congelamento Descongelamento Estável (5 ciclos)
    Estabilidade Mecânica Excelente

    Como fábrica acreditada EcoVAE 1609 Emulsão VAE com baixo teor de COV, aplicamos protocolos de qualidade rigorosos - cada lote é submetido a testes rigorosos para garantir padrões de eficácia e segurança consistentes.

    Embalagem e armazenamento
    Embalagem EcoVAE 1609 Low-VOC VAE Emulsion é fornecido em tambores de aço revestidos de 200 kg, selados para evitar contaminação e entrada de umidade.
    Carga de contêiner (20' FCL) Carga FCL de 20 ": Emulsão VAE EcoVAE 1609 Low-VOC em flexitanks ou tambores, fixada, temperature-protected e devidamente rotulada.
    Envio EcoVAE 1609 Embarcações de emulsão VAE de baixo teor de COV em tambores selados, bolsas ou navios-tanque a granel. Proteja do congelamento e do calor excessivo; armazene entre 5 40 ° C. Use transporte seco e ventilado. Não é classificado como mercadoria perigosa de acordo com os regulamentos padrão, mas evita derramamentos. Manuseie com EPI padrão e siga as diretrizes da folha de dados de segurança.
    Armazenamento Armazene EcoVAE 1609 em recipientes originais selados em uma área fria, seca e bem ventilada, longe da luz solar direta, fontes de calor e condições de congelamento. Mantenha as temperaturas de armazenamento entre 5 ° C e 35 ° C para evitar coagulação ou deterioração. Mantenha os recipientes bem fechados quando não estiverem em uso, evite a contaminação e siga a rotação recomendada da vida útil.
    Prazo de validade O prazo de validade é de 12 meses a partir da data de fabricação, quando armazenado em recipientes originais fechados a temperaturas recomendadas.
    Aplicação de EcoVAE 1609 Emulsão VAE com baixo teor de VOC
    Where architectural flat paints require near-zero indoor emissions without sacrificing scrub resistance, EcoVAE 1609 enters the formulation at the binder stage as a high-solids, plasticizer-free dispersion. The emulsion’s intrinsic minimum film formation temperature sits at approximately 16 °C, necessitating a coalescing agent dosage calibrated strictly to substrate porosity and job-site dew point. In practice, formulators working on wall paints compliant with GB/T 9756-2018 (synthetic resin emulsion coatings for interior use) and the AgBB scheme for VOC emissions observe that the binder demand stabilizes between 18 wt% and 26 wt% of total wet formulation when targeting a pigment volume concentration below critical PVC, typically 45–52% in matte grades and 28–35% in eggshell-silk sheens. The downstream production process follows a standard high-speed disperser letdown: a predispersed TiO₂-extender slurry is stirred into the EcoVAE 1609 medium under a Cowles blade at 600–900 rpm periphery speed to limit shear-induced destabilization, followed by associative thickener adjustment to an ICI viscosity of 0.8–1.5 poise measured per ASTM D4287-19. Finished architectural products include premium interior matt emulsions, low-odour ceiling whites, and fast recoat wall primers where the coalesced film must reach its ultimate wet-scrub threshold—assessed via ISO 11998:2017—within 72 hours of application under 23±1 °C and 50±5% RH. A documented operational boundary exists when EcoVAE 1609 is combined with amine-stabilized pigment dispersants at pH above 9.2: the high-pH environment partially hydrolyzes acetate groups at the particle surface, elevating headspace acetic acid release during film coalescence and undermining the low-VOC profile that constitutes the product’s core value proposition.

    How Does the Emulsion Perform Under Cross-Linking Conditions in Engineered Wood Flooring Adhesives?

    Engineered wood floor bonding layers prepared with EcoVAE 1609 rely on the emulsion’s carboxylic acid functionality to achieve latent cross-linking in the presence of polyvalent metal salts, most commonly aluminum nitrate nonahydrate added at 0.3–1.0 phr on emulsion solids. The adhesive is processed as a one-component paste in a vacuum planetary mixer where the sequence of addition is non-negotiable: the emulsion must be premixed with defoamer, wetting agent, and chalk filler (35–50 μm median particle size) before the metal cross-linker is introduced, otherwise localized gelation produces discrete, non-redispersible agglomerates that compromise trowel spread. Formulation addition ratios typically anchor at 30–38 parts EcoVAE 1609 per 100 parts total compound, balanced against 45–55 parts ground calcium carbonate and 5–8 parts plasticizer, with the residual mass occupied by bentonite thixotrope to confer a sag resistance of ≤0.5 mm at 3 mm notch depth per EN 1308:2007. The cross-linking reaction proceeds most efficiently at pH 5.8–6.5, a window maintained by the latent acidity of the aluminum salt; deviation below pH 5.4 accelerates pot life decay below the required 30-minute open time, while drift above pH 7.0 retards ionic bridging to the degree that peel strengths determined according to ISO 24345:2019 plateau at 2.1 N/mm² rather than the 3.5–4.2 N/mm² achievable at optimal pH. Finished goods derived from this formulation stream include silane-free wood flooring adhesives for engineered oak plank, bamboo composite click-lock glue-down systems, and cork underlayment bonding pastes where emission class EC1 PLUS under Emicode protocol is a market access prerequisite.A formulation variant in which the aluminum cross-linker is replaced by zinc ammonium carbonate, dosed at 0.5–1.5 phr, extends pot life to 45–60 minutes but trades off early green strength; the zinc-based system requires a minimum 72-hour conditioning period at 20±2 °C before the adhesive joint can withstand light foot traffic. Production engineers have reported that batch-to-batch variation in EcoVAE 1609’s intrinsic carboxylic acid content—quantified via potentiometric titration and expressed as acid number in mg KOH/g emulsion—must drift by less than ±0.8 mg relative to the certificate of analysis value for the metal-additive ratio to remain valid without reformulation. Failure to adjust the cross-linker dosage in response to this titration offset manifests as inconsistent Mode II fracture toughness measured under ASTM D5041-98(2024).

    Moisture-Set Flat Lamination of PVC Decorative Film to MDF Board

    The lamination of printed polyvinyl chloride foil onto medium-density fiberboard core stock exploits EcoVAE 1609’s rapid water-shedding mechanism under nip pressure: as the adhesive film contacts the porous substrate, free water migrates into the MDF capillaries within 5–8 seconds of dwell time, triggering instantaneous viscosity build-up that prevents the film from creeping during subsequent hot-press or cold-stack curing. This application scenario demands a wet adhesive deposition of 40–70 g/m² applied via engraved roller coater with 40–60 lines/cm cell density, delivering a dry coat weight of 20–34 g/m² at 48–52% solids—a range that balances bond integrity against the risk of strike-through that would emboss the PVC surface with substrate fiber texture. The adhesive compound is formulated to a Brookfield viscosity of 6,000–14,000 mPa·s at 20 rpm (spindle #5) using a combination of cellulose ether (0.2–0.5 wt%) and alkali-swellable associative thickener (0.1–0.4 wt%); if the high-shear viscosity measured via cone-and-plate rheometry at 10,000 s⁻¹ exceeds 180 mPa·s, the coater struggles to release the adhesive cleanly from the gravure cells, producing visible coating streaks on the laminate face.Compliance in this sector is driven primarily by formaldehyde emission regulations for the composite panel, governed under CARB Phase 2 or TSCA Title VI, both of which EcoVAE 1609 satisfies by containing no added formaldehyde or formaldehyde-donating preservatives. The downstream production line typically integrates a hot-press stage operating at 60–90 °C platen temperature with 0.5–1.2 MPa specific pressure applied over 30–90 seconds, during which the VAE film thermally relaxes and flows into the MDF surface asperities to establish a mechanical interlock peel strength exceeding 25 N/25 mm as determined by ASTM D903-98(2024) with 180° peel geometry. Terminal products encompassing this adhesive system include vinyl-wrapped furniture panels, decorative wall cladding with 3D-embossed PVC finishes, and RTA (ready-to-assemble) cabinet door fronts where the laminate must resist edge delamination during CNC contour trimming at spindle speeds up to 18,000 rpm.A documented incompatibility exists with plasticizer-rich flexible PVC films containing dioctyl phthalate or diisononyl phthalate at concentrations above 25 phr: the plasticizer migrates into the adhesive layer over extended service life, depressing the VAE polymer’s glass transition temperature by 8–12 °C and converting the bond line from a rigid structural interlayer into a creep-susceptible elastomeric zone. Under sustained cantilever loading at 40 °C, this plasticization pathway reduces time-to-failure from indeterminate to measurable durations below 1,200 hours, an effect that can be mitigated but not fully eliminated by incorporating a 3–5 wt% styrene-acrylic dispersion as a barrier component within the adhesive.

    Low-Emission Nonwoven Backcoating for Residential Wallcoverings

    Nonwoven wallcovering substrates—typically a hydroentangled blend of polyester and cellulose fibers with basis weight between 80 and 140 g/m²—receive EcoVAE 1609 as a backcoating to impart stiffness, dimensional stability, and paste-the-wall adhesion compatibility without introducing residual monomer odors that would persist in sealed indoor environments. The backcoating operation proceeds on a knife-over-roll coating line set to a wet film thickness of 80–150 μm and a line speed of 40–80 m/min, with the emulsion foam level controlled to a density of 0.8–0.95 g/cm³ through a combination of silicone-free defoamer (0.05–0.15 wt%) and vacuum deaeration of the coating trough. The dried add-on weight settles at 10–20 g/m², a deposition range that raises the wallcovering’s Elmendorf tear resistance measured per ISO 1974:2012 by 32–48% relative to uncoated substrate while maintaining a Gurley stiffness value below 120 mgf in the machine direction per TAPPI T543 om-21.Formulation parameters are constrained by the wallcovering industry’s stringent volatile emission ceilings: the backcoating compound must qualify for Indoor Air Comfort Gold certification under the Eurofins scheme, which imposes a TVOC emission limit of ≤100 μg/m³ after 28 days in a test chamber operated at 23±1 °C and 50±3% RH with an air exchange rate of 0.5 h⁻¹ per EN 16516:2017+A1:2020. EcoVAE 1609 contributes to this boundary by eliminating the need for fugitive plasticizers; the coating’s dry-film polymer phase exhibits a glass transition onset at 14–16 °C as measured by differential scanning calorimetry at 10 °C/min ramp, which simultaneously provides sufficient cold-flex to prevent cracking when the wallcovering is folded during packaging and sufficient heat resistance to avoid blocking when rolls are stored at 45 °C warehouse temperatures in summer logistics.Downstream converters manufacture paste-the-wall wallcoverings, paintable textured wall liners, and photo-wall mural base media where the coated nonwoven serves as the dimensionally stable print-receiving layer for UV-curable or latex inkjet deposition. A documented processing hazard emerges when the backcoating oven temperature exceeds 140 °C at the substrate surface: thermal degradation of the VAE’s acetate functionality releases acetic acid vapor that condenses on cold dryer exhaust ductwork, leading to intermittent droplet contamination on the coating line and requiring an inline exhaust condensate neutralization system buffered to pH 7.5–8.5.
    EcoVAE 1609 — Key Regulatory and Performance Standards by Application Sector
    Application Sector Relevant Standard/Regulation Test Parameter Typical Pass Criterion
    Interior Architectural Paint GB/T 9756-2018 Wet-scrub resistance ≥ 350 cycles for premium grade
    Interior Paint (EU Market) ISO 11998:2017 Film loss after scrubbing ≤ 5 μm at 200 cycles
    Wood Flooring Adhesive ISO 24345:2019 Peel strength, 180° ≥ 3.5 N/mm²
    PVC-to-MDF Lamination ASTM D903-98(2024) 180° peel after 24 h cure ≥ 25 N/25 mm
    Nonwoven Wallcovering EN 16516:2017+A1:2020 TVOC emission, 28-day chamber ≤ 100 μg/m³
    Carpet Tuft-Back (below) ASTM D1335-21 Tuft bind strength ≥ 22 N loop-pile
    Pre-coat compound for textile floor covering tuft-lock exhibits a fundamentally different rheological demand profile compared to nonwoven backcoating, shifting the focus from stiffness control to penetration depth limitation and tuft anchorage. Here, EcoVAE 1609 is formulated into a high-solids (68–74%) compound loaded with calcium carbonate filler at a filler-to-binder ratio of 200–350 phr, the exact ratio determined by the primary backing type—woven polypropylene tape requiring the lower end of this range to maintain flexibility, and nonwoven polyester spunbond accepting the higher filler loading without flexural failure. The compound is applied via lick-roll or doctor blade at a wet pickup of 600–1,200 g/m² onto the reverse side of tufted carpet, then passed through an infrared predryer zone at 90–120 °C surface temperature for 60–120 seconds before entering a forced-convection main dryer operating at 130–150 °C air temperature with a residence time of 4–8 minutes. Tuft bind strength measured by ASTM D1335-21 must exceed 22 N for loop-pile and 18 N for cut-pile constructions, values that are achievable only when the compound’s penetration into the primary backing fiber bundle is limited to 40–60% of yarn thickness, a condition verified optically on cross-sectioned samples. Excessive penetration beyond 70% encapsulates individual fibers too rigidly and creates a brittle fracture initiation point at the backing-yarn interface, reducing tuft bind by up to 35%.

    When Acoustic Baffle Felt Replaces Traditional Polyurethane Foam Lamination

    Interior acoustic treatment in open-plan office and educational environments increasingly specifies formaldehyde-free polyester fiber felt panels as sound-absorptive ceiling baffles, and the edge-sealing and face-laminating adhesive that bonds these panels into three-dimensional geometries is where EcoVAE 1609 operates under the most unusual process condition: a cold-set, ambient-moisture-evaporation cure cycle that must develop handling bond strength within 15–20 minutes to sustain a continuous assembly line cadence. The adhesive is spray-applied as a fine-mist pattern through a 0.3–0.5 mm nozzle orifice at 0.4–0.7 MPa atomizing air pressure, depositing 5–12 g/m² dry adhesive per contact face, and the assembly is pressed between pinch rolls delivering 0.15–0.30 MPa linear pressure. Because the felt substrate has a high air permeability (800–1,600 L/m²/s at 100 Pa differential pressure per ISO 9237:1995), any adhesive that penetrates beyond the fiber entanglement zone migrates through to the opposite face, causing unintended bonding of the panel to the conveyor belt; EcoVAE 1609 is therefore thickened to a high low-shear viscosity of 35,000–70,000 mPa·s (Brookfield spindle #6, 2 rpm) using fumed silica (0.5–1.5 wt%) to suppress through-thickness wicking.The acoustic panel sector demands compliance with fire safety classifications under EN 13501-1:2018, where the adhesive must not degrade the felt assembly’s intrinsic class B-s1,d0 or A2-s1,d0 rating; EcoVAE 1609’s halogen-free composition and its relatively low heat of combustion (~20 MJ/kg gross calorific value per oxygen bomb calorimetry, estimated from acetate-ethylene copolymer backbones) allow formulators to achieve this without recourse to antimony synergists or brominated fire retardants that would conflict with green building certification criteria.End-use articles include hexagonal ceiling-suspended baffles, wall-mounted acoustic tiles with integrated LED channels, and cylindrical room-dividing columns where the adhesive must resist oscillating tensile fatigue under daily thermal cycling from 18 °C nighttime setback to 26 °C daytime occupied setpoint. Published data for the specific fatigue endurance limit of EcoVAE 1609 adhesive bonds under this thermal oscillation amplitude is limited; however, field reports from panel fabricators indicate that failures initiating at adhesive joint edges after approximately 18–24 months of service correlate with insufficient open time during assembly—the spray-applied adhesive flash-off interval below 30 seconds produces a partial skin-over that prevents full wet-out of the second substrate face.

    Cigarette Side-Seam Bonding at High Machine Speeds

    The high-speed cigarette filter rod assembly and tipping paper wrap environment subjects EcoVAE 1609 to an application scenario defined more by machine-time rheology than by end-product durability. In a Maker-type cigarette combiner running at 7,000–12,000 cigarettes per minute, the adhesive is applied as a continuous bead or intermittent dot pattern through a heated nozzle block maintained at 55–70 °C, with the critical specification being the open time: the window between adhesive deposition and paper wrap closure must remain below 0.8 seconds at 70 °C block temperature, as measured by an inline bond-integrity sensor that correlates lateral seam peel force with machine speed. The working formulation is typically diluted with deionized water to a Brookfield viscosity of 800–2,200 mPa·s at 20 rpm and 25 °C, adding 0.05–0.15 wt% polyethylene glycol (molecular weight 200–400 g/mol) as a humectant to prevent nozzle-tip skinning during brief line stoppages. Addition ratio relative to the total adhesive compound is difficult to define in a conventional phr sense because the dilution water forms 40–55% of the as-sprayed weight; more meaningful is the dry polymer add-on at the seam line, which targets 2.5–4.5 mg per cigarette.Compliance in this sector is overseen by the Tobacco Products Directive 2014/40/EU and the corresponding FDA 21 CFR Part 1100 for the US market, both of which impose migration limits for adhesive components into mainstream smoke; EcoVAE 1609’s low-VOC profile and absence of phthalate plasticizers position it as a candidate for drop-in replacement of solvent-borne or conventional plasticized emulsion adhesives in this tightly regulated supply chain. The downstream converting process delivers finished filter cigarettes, menthol crush-ball filter tubes, and heated-tobacco-product consumable sticks where the side-seam is the sole structural adhesive joint and must survive high-speed packaging machinery without cold-glue seam fracture at −5 °C, a condition evaluated by equilibrating finished sticks in a cold chamber and subjecting them to a 3-bar pneumatic flex test per internal cigarette manufacturer standard protocols that approximate ISO 6565:2015 draw resistance measurement conditions.A seldom-documented but industrially familiar failure mode in this application is the interaction between EcoVAE 1609’s residual acetate odor and sensitive cigarette blend top-flavor notes, particularly in slim or super-slim formats where the tobacco rod mass is reduced relative to the paper surface area. When the adhesive seam constitutes a larger fraction of total rod surface, even the trace acetic acid headspace (<15 μg/cigarette) detectable by GC-MS headspace analysis per ISO 17052:2007 can produce a perceptible organoleptic deviation detectable by trained sensory panels; mitigation involves post-polymerization steam stripping of the emulsion to reduce residual vinyl acetate monomer below 200 ppm and acetic acid below 300 ppm prior to formulating the adhesive.
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