English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Adhesives with properties of low-temperature and water-resistance are important in manufacturing. In this work, dopamine hydrochloride (DA), containing catechol groups, was introduced into the polymer by covalent grafting to obtain water-resistant films. Films with low-temperature and water-resistance properties were obtained through layer-by-layer assembly of branched polyethyleneimine (bPEI) and chemically cross-linked hyaluronate (HA)-DA (denoted HA-D). The film surfaces were wetted with moisture generated from low-temperature pretreatment, and the resulting films, named as bPEI/HA-D multilayer films, could adhere strongly by manual application of pressure of about 0.8 MPa. High transmittance (≥78%) was confirmed by ultraviolet–visible absorption spectroscopy, and the adhesion was determined by lap shear tests. Results indicated that the bPEI/HA-D multilayer films had excellent adhesive strengths and were insensitive to temperature, when stored at −20°C (1.08 ± 0.54 MPa), in 100% relative humidity (0.54 ± 0.22 MPa), under ambient conditions (0.99 ± 0.29 MPa), which suggests their potential applications in optical fields and special environments, such as underwater or at low temperature.

Low-temperature operating adhesive films capable of in-situ use of moisture with outstanding water-resistant capacity