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 Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

Alkaline lignin and de-alkaline lignin were liquefied in phenol with H 2 SO 4  or HCl as catalysts. Liquefied lignins were reacted with formalin under weakly alkaline condition, and in this manner, alcohol-soluble resol-type phenol-formaldehyde (PF) resins (PF lignin ) were prepared. Small particles of albizia [ Albizia falcataria  (L.) Fosberg] passing 100-mesh sieve were impregnated with these resins, and the resulting molded test plates (MTP lignin ) with the dimensions of 10×10×0.4 cm 3  were analyzed. Differential scanning calorimeter revealed that the PF lignin  resins need higher temperatures for curing than those of industrial PF resin (control). MTP lignin  has higher internal bonding and bending strengths than those of the MTP control . Thermogravimetric analysis of MTPs shows three distinct degradation rates, and the following heat resistance was found: MTP control &gt;MTP AL &gt;MTP DAL . MTPs have, after carbonization at 800°C, a uniform internal structure as revealed by dimension shrinkage analysis.

Properties of molding plates made with albizia wood particles impregnated with alcohol-soluble PF resins prepared from phenol-liquefied lignins