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Wood Processing

Wood Processing

Testing wood adhesives at the WACKER technical center in Burghausen. Here: creep test.

With VINNAPAS® polymer dispersions and GENIOSIL® silane-modified polymers, WACKER offers two technologies for use in formulating modern, high-performance wood adhesives. HDK® pyrogenic silica improves the storage and processing characteristics.

WACKER offers a highly developed range of VINNAPAS® polyvinyl acetate (PVAC) polymer dispersions for wood adhesives from D2 to D4.

VINNAPAS® Polymer Dispersions

WACKER offers a highly developed range of VINNAPAS® polyvinyl acetate (PVAC) polymer dispersions for wood adhesives from D2 to D4. They make ideal solutions for humid and damp areas (e.g. basements and bathrooms) as well as for exterior applications involving direct water contact (e.g. windows). For discoloration-free bonding of sensitive types of wood, we offer VINNAPAS® DPX 271, a water resistant and ultra-low-formaldehyde binder for D3 wood adhesives.

For EPI (emulsion polymer isocyanate) technology, VINNAPAS® vinyl acetate-ethylene (VAE) polymer dispersions are used in the formulation of wood adhesives for water resistance class of JIS K6806.

General Benefits:

  • Excellent for solid wood bonding
  • Excellent water and heat resistance
  • Product range for all water resistance classes (from D2 to D4; can attain the D4 standard with two-component system)
  • High setting speed

Benefits of VINNAPAS® DPX Technology:

  • Ultra-low formaldehyde level of < 5 ppm
  • Discoloration-free

Applications:

Wood-to-wood processing adhesives D2 to D4, e.g. for furniture, wood flooring, veneers, windows and doors.

  • Assembly
  • Edge banding
  • Edge-to-edge gluing
  • Finger jointing
  • Veneer splicing

GENIOSIL® Silane-Modified Polymers (SMP)

GENIOSIL® silane-modified polymers are so versatile they can equally find use in wood adhesives alongside many other adhesive concepts. Wood adhesives formulated with GENIOSIL® SMPs display Shore D strength values, can attain the D4 standard and are yet one component.

Benefits:

  • Isocyanate-, solvent and plasticizer-free
  • Tin-free (possible when using α SMPs)
  • Broad range of flexibility and strength
  • Unique clarity
  • Low viscosity
  • Temperature- and moisture-stable
  • Paintable

Applications:

  • Bonding wood-to-wood
  • Bonding wood-to-metal & further dissimilar materials

HDK® Pyrogenic Silica

HDK® steuert die rheologischen Eigenschaften von Klebstoffen. So können die Fließeigenschaften von Holzleimen, z.B. auf Basis von 1K PU Systemen, gezielt mit hydrophoben HDK® Produkten eingestellt werden. Die dann thixotropierten Systeme lassen sich besser verarbeiten und erleichtern die Anwendung.

Benefits:

  • Anti settling
  • Adjustment of rheology
  • Sag resistance

Applications:

  • Holzleim

Produktempfehlungen

Tabelle ist scrollbar
Produkte
Technische Daten
Holz/Holz-Verleimung
BET-Oberfläche Feststoffanteil Viskosität dynamische Viskosität Polymer Glasübergangstemperatur
Geringe Holzverfärbung
Abbindeverhalten
GENIOSIL® XB 502 - - - - 1000 mPas 1000 mPas - - Reinforced α-Dimethoxysilane-modified polymer (SMP) for strong bonding Reinforced α-Dimethoxysilane-modified polymer (SMP) for strong bonding - - - -
GENIOSIL® XT 50 - - - - 1000 mPas 1000 mPas - - Reinforced α-Dimethoxysilane-modified polymer (SMP) for transparent 1K waterproofing membranes Reinforced α-Dimethoxysilane-modified polymer (SMP) for transparent 1K waterproofing membranes - - - -
HDK® H13L approx. 110 m²/g[1] approx. 110 m²/g[1] - - - - - - - - - - - -
HDK® H15 approx. 120 m²/g[1] approx. 120 m²/g[1] - - - - - - - - - - - -
HDK® N20 175 - 225 m²/g[2] 175 - 225 m²/g[2] - - - - - - - - - - - -
VINNAPAS® DPN 15 - - 51 - 53 % 51 - 53 % - - 12000 - 18000 mPa·s 12000 - 18000 mPa·s - - approx. 28 °C[3] approx. 82.4 °F[3] Mittel Hervorragend
VINNAPAS® DPN 16 - - 50 - 54 % 50 - 54 % - - 10000 - 14000 mPa·s 10000 - 14000 mPa·s - - approx. 28 °C[3] approx. 82.4 °F[3] Hoch Hervorragend
VINNAPAS® DPN 17 - - 47 - 49 % 47 - 49 % - - 9000 - 13000 mPa·s 9000 - 13000 mPa·s - - approx. 28 °C[3] approx. 82.4 °F[3] Mittel Hervorragend
VINNAPAS® DPX 271 - - 44 - 48 % 44 - 48 % - - 6000 - 14000 mPa·s 6000 - 14000 mPa·s - - approx. 30 °C[3] approx. 86.0 °F[3] Hervorragend Hervorragend
Legend
[1] BET-Oberfläche | DIN ISO 9277 DIN 66132 | der hydrophoben Kieselsäure,  [2] BET-Oberfläche | DIN ISO 9277 DIN 66132,  [3] Glasübergangstemperatur | spezifische Methode,  [] Geeignet,  [] Gut geeignet,  [] Ideal geeignet 

VINNAPAS® vinyl acetate-ethylene (VAE) polymer dispersions show excellent adhesion to PVC and paper films combined with a broad heat resistance range, a wide formulation latitude and processing advantages. They are ideal to wet-laminate decorative PVC and paper film to wooden materials.

Benefits:

  • Excellent adhesion to PVC film for wet lamination
  • High resistance to plasticizers
  • Very good adhesion to difficult substrates
  • Very high setting speed

Applications:

Decorative wet lamination film to chipboards, MDFs and hardboards.

  • PVC sheet to wood lamination
  • Paper sheet to wood lamination
  • HPM (High Pressure Melamine sheet to plywood) lamination

Produktempfehlungen

Tabelle ist scrollbar
Produkte
Technische Daten
Produktmerkmale
Folienbeschichtung von Holz
Feststoffanteil dynamische Viskosität Glasübergangstemperatur Nachhaltigkeitsthemen
Haftung
Wärmestandfestigkeit
Abbindeverhalten
Wasserdichtigkeit
VINNAPAS® 320 KR (ULS) - - 1800 - 2700 mPa·s 1800 - 2700 mPa·s approx. 14 °C[1] approx. 57.2 °F[1] - Hoch Hoch Hoch Mittel
VINNAPAS® 920 54.0 - 56.0 % 54.0 - 56.0 % 800 - 2000 mPa·s 800 - 2000 mPa·s approx. -20 °C[2] approx. -4.0 °F[2] - Hervorragend Mittel Mittel Hoch
VINNAPAS® DPX 271 44 - 48 % 44 - 48 % 6000 - 14000 mPa·s 6000 - 14000 mPa·s approx. 30 °C[1] approx. 86.0 °F[1] - Mittel Hervorragend Hoch Hoch
VINNAPAS® EAF 68 58 - 61 % 58 - 61 % 4500 - 9500 mPa·s 4500 - 9500 mPa·s approx. -35.0 °C[2] approx. -31 °F[2] - Hoch Mittel Hoch Mittel
VINNAPAS® EP 3588 62.5 - 64.0 % 62.5 - 64.0 % 200 - 800 mPa·s 200 - 800 mPa·s 2 - 8 °C[1] 35.6 - 46.4 °F[1] - - - - -
VINNAPAS® EP 6300 62.0 - 64.0 % 62.0 - 64.0 % 600 - 1500 mPa·s 600 - 1500 mPa·s approx. 0 °C[2] approx. 32.0 °F[2] - Hervorragend Mittel Hoch Mittel
VINNAPAS® EP 6420 54.0 - 56.0 % 54.0 - 56.0 % 3500 - 5500 mPa·s 3500 - 5500 mPa·s approx. 2 °C[1] approx. 35.6 °F[1] - Hoch Hoch Hoch Mittel
VINNAPAS® EP 645 54 - 56 % 54 - 56 % 4000 - 9000 mPa·s 4000 - 9000 mPa·s approx. 5 °C[1] approx. 41.0 °F[1] - Hoch Hervorragend Hoch Mittel
VINNAPAS® EP 656 54 - 56 % 54 - 56 % 4000 - 9000 mPa·s 4000 - 9000 mPa·s approx. 5 °C[1] approx. 41.0 °F[1] - - - - -
VINNAPAS® EP 7000 69.5 - 71.5 % 69.5 - 71.5 % 1200 - 2700 mPa·s 1200 - 2700 mPa·s approx. -3 °C[2] approx. 26.6 °F[2] niedriger Formaldehydgehalt, ohne APEO hergestellt Hervorragend Hervorragend Hervorragend Hoch
VINNAPAS® EP 701K 54.0 - 56.0 % 54.0 - 56.0 % 2000 - 4000 mPa·s 2000 - 4000 mPa·s approx. -10 °C[1] approx. 14.0 °F[1] - Hervorragend Mittel Hoch Hoch
VINNAPAS® EP 701K (NJG) 54.0 - 56.0 % 54.0 - 56.0 % 2000 - 4000 mPa·s 2000 - 4000 mPa·s approx. -10 °C[1] approx. 14.0 °F[1] - - - - -
VINNAPAS® EP 705A (ULS) 54 - 56 % 54 - 56 % 1900 - 2800 mPa·s 1900 - 2800 mPa·s approx. 0 °C[1] approx. 32.0 °F[1] - Hoch Hoch Hoch Mittel
VINNAPAS® EP 705K (ULS) 54 - 56 % 54 - 56 % 2900 - 3900 mPa·s 2900 - 3900 mPa·s approx. 0 °C[1] approx. 32.0 °F[1] - Hoch Hoch Hoch Mittel
VINNAPAS® EP 706 54 - 56 % 54 - 56 % 3500 - 4500 mPa·s 3500 - 4500 mPa·s approx. 0 °C[1] approx. 32.0 °F[1] - Hoch Hoch Hoch Mittel
VINNAPAS® EP 706K (NJG) > 54.5 % > 54.5 % 4400 - 5400 mPa·s 4400 - 5400 mPa·s approx. 0 - 4 °C[1] approx. 32.0 - 39.2 °F[1] - Hoch Hoch Hoch Mittel
VINNAPAS® EP 707K (NJG) > 54.5 % > 54.5 % 1300 - 2000 mPa·s 1300 - 2000 mPa·s approx. -2 - 2 °C[1] approx. 28.4 - 35.6 °F[1] - Hoch Hoch Hoch Mittel
VINNAPAS® EP 708 (NJG) 54.5 - 56.5 % 54.5 - 56.5 % 6000 - 7500 mPa·s 6000 - 7500 mPa·s approx. 0 - 4 °C[1] approx. 32.0 - 39.2 °F[1] - - - - -
VINNAPAS® EP 709 54 - 56 % 54 - 56 % 2700 - 3700 mPa·s 2700 - 3700 mPa·s approx. 7 °C[1] approx. 44.6 °F[1] - Hoch Hoch Hoch Mittel
VINNAPAS® EP 710 > 54.5 % > 54.5 % 4400 - 5400 mPa·s 4400 - 5400 mPa·s approx. 0 - 4 °C[1] approx. 32.0 - 39.2 °F[1] - - - - -
VINNAPAS® EP 724 54 - 56 % 54 - 56 % 1500 - 2500 mPa·s 1500 - 2500 mPa·s approx. 19 °C[1] approx. 66.2 °F[1] - Hoch Hoch Hoch Mittel
VINNAPAS® EP 745 54 - 56 % 54 - 56 % 4000 - 9000 mPa·s 4000 - 9000 mPa·s approx. 5 °C[1] approx. 41.0 °F[1] - - - - -
VINNAPAS® EP 756 54.5 - 56.5 % 54.5 - 56.5 % 600 - 2000 mPa·s 600 - 2000 mPa·s approx. 0 - 4 °C[1] approx. 32.0 - 39.2 °F[1] - - - - -
VINNAPAS® EP 758 59.5 - 61.5 % 59.5 - 61.5 % 3500 - 5500 mPa·s 3500 - 5500 mPa·s approx. 17 °C[1] approx. 62.6 °F[1] - - - - -
VINNAPAS® EP 760 59.5 - 61.5 % 59.5 - 61.5 % 2000 - 3000 mPa·s 2000 - 3000 mPa·s approx. 0 °C[1] approx. 32.0 °F[1] - Hoch Hoch Hoch Mittel
VINNAPAS® EP 760 (NJG) (Scale-up Product) 59.5 - 61.5 % 59.5 - 61.5 % 2000 - 3000 mPa·s 2000 - 3000 mPa·s approx. 0 °C[1] approx. 32.0 °F[1] - - - - -
Legend
[1] Glasübergangstemperatur | spezifische Methode,  [2] Glasübergangstemperatur | DSC, spezifische Methode,  [] Geeignet,  [] Gut geeignet,  [] Ideal geeignet 

VINNAPAS® vinyl acetate-ethylene (VAE) polymer dispersions are used in the formulation of adhesives for 3D vacuum membrane press lamination, either by themselves or in blends with polyurethane dispersions.

Benefits:

  • Excellent heat resistance and cohesion
  • Very high setting speed
  • High resistance to plasticizers
  • Excellent compatibility with polyurethane dispersions

Applications:

  • Decorative wet lamination to 3-dimensional chipboards, MDFs and hardboards by using vacuum membrane press process.

Produktempfehlungen

Tabelle ist scrollbar
Produkte
Technische Daten
Feststoffanteil dynamische Viskosität Glasübergangstemperatur
VINNAPAS® EP 645 54 - 56 % 54 - 56 % 4000 - 9000 mPa·s 4000 - 9000 mPa·s approx. 5 °C[1] approx. 41.0 °F[1]
VINNAPAS® EP 708 (NJG) 54.5 - 56.5 % 54.5 - 56.5 % 6000 - 7500 mPa·s 6000 - 7500 mPa·s approx. 0 - 4 °C[1] approx. 32.0 - 39.2 °F[1]
VINNAPAS® EP 745 54 - 56 % 54 - 56 % 4000 - 9000 mPa·s 4000 - 9000 mPa·s approx. 5 °C[1] approx. 41.0 °F[1]
Legend
[1] Glasübergangstemperatur | spezifische Methode,  [] Geeignet,  [] Gut geeignet,  [] Ideal geeignet