engleski

Perfect binding technique affects the paperback adhesive binding strength

Bindability aspect of the perfect binding technique is presented in this work. Paperback production process involves two main technologies apart: text block spine treatment process and hot-melt gluing process. Furthermore, paperback adhesive binding strength mostly depends on material properties (substrate, adhesive). Hot-melt adhesive gives almost instantaneous adhesion due to its thermoplastics melt properties. Text block spine form never allows to lay open flat and loose leaves binding edges transfer tensile stress. Hence inter phase region (adhesive-adherend) can only improve adhesive bond strength. This mechanical interlocking adhesion is more dependent on substrate morphology (paper surface roughness characteristics).

paper properties ; text block spine roughness ; adhesive binding strength control ; adhesive joint strength

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