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Items for "latex adhesives"

Parallel-plate rheology of latex films bonded to wood

A parallel-plate rheological analysis was developed for two types of cross-linking poly(vinyl acetate) latex films: solid freestanding films (neat), and solid films bonded directly to wood substrates (composites)...

Keywords: glass transition, latex adhesives, rheology, wood/adhesive interactions

07/2005 | Holzforschung, Walter de Gruyter

Rheology of latex films bonded to wood: influence of cross-linking

Parallel-plate rheological analysis was conducted on two types of cross-linking poly(vinyl acetate) latex films: dry freestanding films, and dry films bonded directly to wood (composites)...

Keywords: glass transition, latex adhesives, rheology, wood/adhesive interactions

01/2006 | Holzforschung, Walter de Gruyter

Fracture cleavage analysis of PVAc latex adhesives: Influence of phenolic additives

Mode I fracture cleavage testing was conducted on wood bonded with poly(vinyl acetate-co-NMA) latex adhesive containing two types/degrees of cross-linking: (1) cross-linking through AlCl₃ catalysis of N-methylolacrylamide (NMA) comonomer; and (2) additional cross-linking using a phenol-formaldehyde resol additive, in addition to AlCl₃ catalysis...

Keywords: DMA, dynamic mechanical analysis, fracture test, latex adhesives, parallel-plate rheology, wood/adhesive interactions

05/2006 | Holzforschung, Walter de Gruyter

The role of resol fortifiers in latex wood adhesives

Static and dynamic rheological analyses using time/temperature equivalence were applied to freestanding poly(vinyl acetate-co-NMA) adhesive films and to wood-bonded films (composites), which were completely dry in all cases...

Keywords: differential scanning calorimetry (DSC), field emission-scanning electron microscopy (FE-SEM), latex adhesives, parallel-plate rheology, phenol-formaldehyde, static and dynamic mechanical analyses (SDMA)

08/2006 | Holzforschung, Walter de Gruyter

Wood-adhesive interactions in a PVAc latex

Static rheological analysis based on time/temperature equivalence was applied to freestanding poly(vinyl acetate-co-N-methylolacrylamide) (PVAc-co-NMA) adhesive films and to wood-bonded films (composites) containing two types of crosslinking: 1) AlCl₃ catalysis of NMA comonomer, and 2) the same AlCl₃ catalysis plus additional crosslinking using a phenolic resol additive, PF...

Keywords: Kohlrausch-Williams-Watts (KWW) segmental coupling, latex adhesives, parallel-plate rheology, wood-adhesive interactions

07/2008 | Holzforschung, Walter de Gruyter