Guide de la machine de contrecollage sans solvant
Guide de sélection de la machine de laminage sans solvant
Une machine de laminage sans solvant assemble deux films flexibles ou plus à l'aide d'un adhésif polyuréthane réactif qui durcit sans solvant. Comme aucun solvant n'est évaporé, le processus est plus propre, moins énergivore et conforme aux réglementations strictes sur les COV dans l'emballage alimentaire et pharmaceutique. XIAOPAI est le distributeur mondial agréé des laminoirs sans solvant Sinstar, proposant les séries WRJ Fi9, WRJ i9 et WRJ S1 pour les transformateurs d'emballages flexibles. Ce guide explique comment fonctionne le laminage sans solvant, les principaux types de machines et comment choisir l'unité appropriée.
Qu'est-ce que le laminage sans solvant ?
Le laminage sans solvant applique un adhésif polyuréthane bicomposant entre les films et le durcit à température ambiante. Il n'y a ni four de séchage ni système de récupération de solvant, donc la ligne fonctionne avec moins d'énergie et n'émet aucun COV. C'est désormais le choix par défaut pour les emballages flexibles où les limites réglementaires et d'odeur sont strictes.
Comment fonctionne un laminoir sans solvant (brièvement)
Les deux films se déroulent à partir d'arbres séparés.
L'adhésif est dosé et appliqué sur un film.
Les films sont laminés ensemble par pincement.
Le rouleau durcit et est rebobiné pour le refendage ou la transformation.
Types de machines de laminage sans solvant
Série WRJ Fi9 — Un laminoir sans solvant polyvalent pour les emballages flexibles généraux. XIAOPAI fournit la machine de laminage sans solvant WRJ Fi9 pour les transformateurs passant des lignes à base de solvant aux lignes sans solvant.
Série WRJ i9 (2 couches) — Conçue pour un laminage stable à deux couches à vitesse plus élevée. La machine de laminage sans solvant WRJ i9 convient aux emballages alimentaires et d'usage quotidien avec des largeurs de bande constantes.
Série numérique WRJ S1 — Un laminoir sans solvant à commande numérique pour les petites séries et les changements rapides. La machine de laminage sans solvant numérique WRJ S1 convient aux transformateurs traitant des commandes variées et de petits lots.
Comment choisir un laminoir sans solvant
Couches — 2 couches (ex. i9) pour les structures standard ; les constructions plus complexes peuvent nécessiter des passages multiples.
Largeur de bande — correspond à la largeur de votre rouleau de film (généralement 800–1300 mm).
Vitesse — plus élevée (mètres/min) pour le volume ; modérée pour les petites séries.
Contrôle — numérique (S1) pour des changements flexibles ; standard pour les longues séries stables.
Substrats — PET, BOPP, PE, papier d'aluminium et combinaisons de papier.
Où le laminage sans solvant est-il utilisé ?
Emballages alimentaires et de snacks, laminés pour blisters et sachets pharmaceutiques, emballages flexibles d'usage quotidien et industriels — partout où la faible odeur, l'absence de COV et la haute efficacité de ligne sont importantes.
Solutions de laminage sans solvant XIAOPAI
En tant que distributeur mondial agréé des machines de laminage sans solvant Sinstar, XIAOPAI aide les transformateurs à choisir entre les séries WRJ Fi9, WRJ i9 et WRJ S1 et assure le support pour l'installation et les pièces de rechange. Explorez les pages produits liées ci-dessus, ou contactez notre équipe pour une assistance à la sélection.
Questions fréquemment posées
Laminage sans solvant vs à base de solvant — lequel est meilleur ?Le sans solvant ne nécessite ni four ni récupération de solvant, donc il économise de l'énergie et respecte les règles strictes sur les COV ; le à base de solvant sert encore certaines structures spécialisées. La plupart des nouvelles lignes choisissent le sans solvant.
Les laminoirs sans solvant peuvent-ils traiter le papier d'aluminium ?Oui. Les structures PET/ALU/PE et autres structures en aluminium sont des applications courantes sans solvant avec le bon adhésif.
Quelles largeurs de bande sont disponibles ?La série Sinstar WRJ de XIAOPAI couvre les largeurs typiques des emballages flexibles ; confirmez la largeur de votre film lors de la demande de devis.
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