Valorisation of technical lignin in rigid polyurethane foam: a critical evaluation on trends, guidelines and future perspectives

H Haridevan, DAC Evans, AJ Ragauskas, DJ Martin… - Green …, 2021 - pubs.rsc.org
Lignin is one of the most abundant natural polymers. Produced as a by-product from the bio-
refinery industries, it remains largely underutilised in high-value industrial applications. The …

Surface protection of concrete by new protective coating

EM Elnaggar, TM Elsokkary, MA Shohide… - … and Building Materials, 2019 - Elsevier
This work aims at enhancing the concrete performance using a new protective coating
named as asphaltic polyurethane (As/PU) coating, which prepared at different NCO/OH …

Thermal insulating and mechanical properties of cellulose nanofibrils modified polyurethane foam composite as structural insulated material

W Leng, B Pan - Forests, 2019 - mdpi.com
Cellulose nanofibrils (CNF) modified polyurethane foam (PUF) has great potential as a
structural insulated material in wood construction industry. In this study, PUF modified with …

Investigating the potential of dihydroxystearic acid as feedstock for rigid polyurethane foam

TNMT Ismail, KW Lee, S Adnan, ZH Ban… - Industrial Crops and …, 2024 - Elsevier
Rigid polyurethane (PU) foam has been widely used for a multitude of applications, primarily
as thermal insulation materials. With the exhortation of “green chemistry” and sustainable …

Preparation, characterization, and properties of castor oil-based flexible polyurethane/Cloisite 30B nanocomposites foam

SS Panda, SK Samal, S Mohanty… - Journal of Composite …, 2018 - journals.sagepub.com
The present study represents the synthesis of flexible polyurethane nanocomposite foam
using Cloisite 30B nanoclays varying at 1, 2, and 3 wt%. The polyurethane nanocomposite …

Mechanically Strong and Fast‐Curing Kraft Lignin‐Based Polyurethane Foam

N Husna, M Ismayati, W Syafii… - Journal of Applied …, 2024 - Wiley Online Library
The creation of biobased rigid polyurethane from nonfood resources such as lignin has
garnered significant interest, especially concerning the biorefinery concept. However, few …

Development of a Catalyst System for Enhanced Properties of Coconut Diethanolamide-Based Rigid Poly (urethane-urea) Foam

JCS Bondaug, RG Dingcong Jr… - ACS Applied Polymer …, 2024 - ACS Publications
Coconut diethanolamide (CDEA)-based rigid polyurethane (PU) foams are gaining
prominence as a viable and promising substitute for their petroleum-based counterparts …

Balanced Thermal Insulation, Flame-Retardant and Mechanical Properties of PU Foam Constructed via Cost-Effective EG/APP/SA Ternary Synergistic Modification

H Li, L Hou, Y Liu, Z Yao, L Liang, D Tian, C Liu, J Xue… - Polymers, 2024 - mdpi.com
To address the challenge of balancing the mechanical, thermal insulation, and flame-
retardant properties of building insulation materials, this study presented a facile approach …

[HTML][HTML] Dynamic Mechanical Analysis during polyurethane foaming: Relationship between modulus build-up and reaction kinetics

P Cimavilla-Román, M Santiago-Calvo… - Polymer Testing, 2021 - Elsevier
The modulus build-up and relative density evolution during the reactive foaming of four
standard polyurethane formulations was monitored in-situ by Dynamic Mechanical Analysis …

Gamma-irradiation-induced micro-structural variations in flame-retardant polyurethane foam using synchrotron X-ray micro-tomography

AK Agrawal, B Singh, YS Kashyap… - Journal of …, 2019 - journals.iucr.org
Flame-retardant polyurethane foams are potential packing materials for the transport casks
of highly active nuclear materials for shock absorption and insulation purposes. Exposure of …