Preparation and Mechanical Property of PVA Tape

WANG Xin-ting, CAO Guo-rong, LI Dong-li, YANG Mei-qi

Packaging Engineering ›› 2018 ›› Issue (5) : 13-15.

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PDF(373 KB)
Packaging Engineering ›› 2018 ›› Issue (5) : 13-15. DOI: 10.19554/j.cnki.1001-3563.2018.05.003

Preparation and Mechanical Property of PVA Tape

  • WANG Xin-ting, CAO Guo-rong, LI Dong-li, YANG Mei-qi
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Abstract

The work aims to substitute the non-degradable BOPP film with water-soluble PVA film as a tape substrate. Tensile strength and elongation at break of PVA film and BOPP film were respectively tested. Tensile strength, elongation at break, initial stickiness and 180° peel strength of PVA and BOPP films applied with water-based pressure sensitive adhesive and of PVA film applied with hot-melt adhesive were tested. The tensile strength of BOPP film was 34.32 N/cm, slightly higher than that of PVA film, but the elongation at break of BOPP film was lower than that of PVA film. The tensile strengths of BOPP tape, PVA hot-melt tape and PVA water-based tape were 48.38, 63.68 and 32.94 N/cm, respectively. The elongation at break of BOPP tape was lower than that of PVA hot-melt and water-based tapes. The initial stickiness of BOPP tape was slightly higher than that of PVA water-based tape. The 180° peel strength of BOPP tape, PVA hot-melt tape and PVA water-based tape were 1.58, 6.48 and 2.63 N/cm, respectively. Compared with BOPP tape, the tensile strength, elongation at break, initial stickiness and 180° peel strength of PVA tape can meet the requirement for mechanical properties of packaging tape.

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WANG Xin-ting, CAO Guo-rong, LI Dong-li, YANG Mei-qi. Preparation and Mechanical Property of PVA Tape[J]. Packaging Engineering. 2018(5): 13-15 https://doi.org/10.19554/j.cnki.1001-3563.2018.05.003
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