# Biomimetic Hot-Melt Adhesive Using Galloyl-Grafted Polypropylene for Multisubstrates

https://mdr.nims.go.jp/datasets/c187540f-8c04-41a0-94d9-b58dc5f17d8c

## File

- [PPC & PETROMAT Symposium 2026 - Paripat Kraisornkachit 2.pptx](https://mdr.nims.go.jp/filesets/fa47b133-fd21-45cb-a367-e55f38202e75/download) ([Detail](https://mdr.nims.go.jp/filesets/fa47b133-fd21-45cb-a367-e55f38202e75.md))

## Id

c187540f-8c04-41a0-94d9-b58dc5f17d8c

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2026-07-22T04:38:20.855377Z

## Updated at

2026-07-24T01:31:52.025728Z

## Published at

2026-07-24T05:30:07.856911Z

## Doi

https://doi.org/10.48505/nims.6423

## First published url



## Date published



## Recorded date published



## Resource type

conference_presentation

## Manuscript type

na

## Collection



## Title

- title: Biomimetic Hot-Melt Adhesive Using Galloyl-Grafted Polypropylene for Multisubstrates
  title_type: original
  lang: en

## Description

- description: Hot-melt adhesives (HMAs) are widely used in packaging, electronics,
    and automotive applications, but their adhesion to low-surface-energy polymers
    such as polypropylene (PP) remains challenging. Here, we present a simple and
    scalable method to prepare galloyl-grafted polypropylene (PPGA) by introducing
    a gallic-acid-bearing methacrylate onto PP through a peroxide-initiated process.
    The resulting hot-pressed adhesive PP films exhibited exceptionally high lap-shear
    strengths across various substrates. PPGA-based adhesives achieved substrate failure
    on PP, indicating that interfacial adhesion surpassed the cohesive strength of
    the substrate owing to molecular interdiffusion and fusion of amorphous PP chains
    at the interface. On metal substrates, the adhesives reached record-high lap-shear
    strengths up to 18.3 MPa on stainless steel, far exceeding those of pristine PP.
    Furthermore, PPGA maintained significant bonding strength on PP and stainless
    steel even after seven days of water immersion or UV aging, demonstrating excellent
    wet adhesion and long-term stability. This study establishes galloyl-grafted polypropylene
    as a high-performance, multi-substrate hot-melt adhesive with outstanding dry
    and wet adhesion, thereby offering a practical, scalable, and sustainable alternative
    to conventional hot-melt adhesives.
  description_type: abstract
  lang: eng

## Creator

- name: KRAISORNKACHIT Paripat
  role: author
  orcid: https://orcid.org/0000-0002-0796-3665
  organization: National Institute for Materials Science
  department: Research Center for Macromolecules and Biomaterials/Macromolecules Field/Data-driven
    Polymer Design Group

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## Keyword

- subject: polypropylene
  schema: not_defined
- subject: gallic acid
  schema: not_defined
- subject: hot-melt adhesive
  schema: not_defined
- subject: lap-shear strength
  schema: not_defined
- subject: wet adhesion
  schema: not_defined

## Rights

- identifier: http://rightsstatements.org/vocab/InC/1.0/

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## Journal



## Conference

name: PPC & PETROMAT SYMPOSIUM 2026
start_date: 2026-07-07
end_date: 2026-07-09
identifier: http://www.ppc.chula.ac.th/ppcsymposium/

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## Specimen



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## Fileset

- id: fa47b133-fd21-45cb-a367-e55f38202e75
  filename: PPC & PETROMAT Symposium 2026 - Paripat Kraisornkachit 2.pptx
  content_type: application/vnd.openxmlformats-officedocument.presentationml.presentation
  size: 99546071
  md5: 2f0c95b455c940a0a1841b7d429a2359

## Thumbnail

fileset_id: fa47b133-fd21-45cb-a367-e55f38202e75
filename: PPC & PETROMAT Symposium 2026 - Paripat Kraisornkachit 2.pptx