Results 11 to 20 of about 134,814 (297)
Recent Progress of Non-Isocyanate Polyurethane Foam and Their Challenges
Polyurethane foams (PUFs) are a significant group of polymeric foam materials. Thanks to their outstanding mechanical, chemical, and physical properties, they are implemented successfully in a wide range of applications. Conventionally, PUFs are obtained
Said El Khezraji +5 more
semanticscholar +1 more source
Challenges and recent advances in bio-based isocyanate production.
Polyurethanes (PU) are key players in plastic industry. According to the Global Polyurethane Market (2019-2023), their value on the global market reached 95.13 billion $ in 2019, and is estimated...
J. Niesiobędzka, J. Datta
semanticscholar +1 more source
Water-Induced Self-Blown Non-Isocyanate Polyurethane Foams.
For 80 years, polyisocyanates and polyols were central building blocks for the industrial fabrication of polyurethane (PU) foams. By their partial hydrolysis, isocyanates release CO 2 that expands the PU network.
M. Bourguignon +2 more
semanticscholar +1 more source
This review article aims to summarize the potential of using renewable natural resources, such as lignin and tannin, in the preparation of NIPUs for wood adhesives.
Manggar Arum Aristri +8 more
semanticscholar +1 more source
Recent Advances in Fabrication of Non-Isocyanate Polyurethane-Based Composite Materials
Polyurethanes (PUs) are a significant group of polymeric materials that, due to their outstanding mechanical, chemical, and physical properties, are used in a wide range of applications.
Piotr Stachak +3 more
semanticscholar +1 more source
Isocyanate, a pivotal chemical intermediate to synthesize polyurethane with widespread applications in household appliances, automobiles, and construction, is predominantly produced via the phosgene process, which currently holds a paramount status in ...
Zhuhua Guo, Xiaoshu Ding, Yanji Wang
doaj +2 more sources
Due to growing concerns about environmental issues and the decline of petroleum-based resources, the synthesis of new biobased compounds for the polymer industry has become a prominent and timely topic.
Aliénor Delavarde +4 more
doaj +1 more source
Rheological and Mechanical Gradient Properties of Polyurethane Elastomers for 3D-Printing with Reactive Additives [PDF]
Polyurethane (PU) elastomers with their broad range of strength and elasticity are ideal materials for additive manufacturing of shapes with gradients of mechanical properties.
Auhl, Dietmar +4 more
core +1 more source
Nanocellulose has been subjected to a wide range of chemical modifications towards increasing its potential in certain fields of interest. These modifications either modulated the chemistry of the nanocellulose itself or introduced certain functional ...
Hatem Abushammala, Jia Mao
doaj +1 more source
Synthesis and biological evaluation of novel urea and thiourea derivatives of valacyclovir [PDF]
A series of novel urea and thiourea derivatives of valacyclovir were efficiently synthesized in high yields and evaluated their antiviral activity.
Katla Ramana Venkata +4 more
doaj +1 more source

