Results 271 to 280 of about 661,569 (335)

Survey of Polyurethane Adhesives

International Journal of Adhesion and Adhesives, 1984
Abstract Polyurethane chemistry provides a means to ‘tailor’ adhesives to specific needs. This is being achieved by polyurethane technology at a cost of more sophisticated application/bonding equipment and a need for better control of raw materials and adhesive processing conditions.
exaly   +2 more sources

Effect of soft segment molecular weight and NCO:OH ratio on thermomechanical properties of lignin-based thermoplastic polyurethane adhesive

, 2020
During the last decades lignin has been largely applied on development of reactive polyurethanes. More recently, significant efforts were dedicated to synthesizing lignin-based thermoplastic polyurethanes (LTPUs).
J. R. Gouveia, R. R. de Sousa, A. Ribeiro, S. A. Saraiva, D. J. dos Santos   +4 more
semanticscholar   +1 more source

Hygrothermal aging, fatigue and dynamic mechanical behavior of cellulosic particles reinforced one-component moisture curable polyurethane adhesive joints

, 2020
Microcrystalline cellulose (MCC) and sawdust (SD) green fillers have great potential to act as moisture reservoirs and reactive fillers. In the present study, a one-component moisture curable polyurethane (PU) adhesive was reinforced with MCC and SD ...
Lakshmana Rao Bhagavathi, A. Deshpande, G. Janaki Ram, S. Panigrahi   +3 more
semanticscholar   +1 more source

Strong, detachable, and self-healing dynamic crosslinked hot melt polyurethane adhesive

Materials Chemistry Frontiers, 2019
A dynamic oxime–carbamate based polyurethane hot melt adhesive was developed with outstanding adhesion performance to multiple substrates, and detachable and self-healing properties.
Shuliang Wang, Zenghe Liu, Lu-Zhi Zhang, Yi-Fan Guo, Jian-Chun Song, Jiaming Lou, Qingbao Guan, Chuang-Long He, Zheng-Wei You   +8 more
semanticscholar   +1 more source

Neutrophil adhesion on phosphorylcholine-containing polyurethanes

Biomaterials, 1998
Polyurethanes have been synthesized using glycerophosphorylcholine (GPC) as a chain extender. By altering the ratio of GPC to butanediol (BD), a series of polymers was obtained composed of different contents of phosphorylcholine. Bulk and surface characterization of the polymers was carried out.
L Y, Yung, S L, Cooper
openaire   +2 more sources

Polyurethane Hot-Melt Adhesives for Strong and Tough Adhesion

European Polymer Journal
Wangqing Zhang
exaly   +2 more sources

Adhesion of aqueous polyurethane adhesive to human hair

International Journal of Adhesion and Adhesives, 2014
Abstract Adhesion of a water-based polyurethane adhesive to a human hair has been studied using the microbond test. Adhesion promotion using a silane coupling agent and air plasma treatment was compared. The results show that after air plasma treatment, the interfacial shear strength (IFSS) between the polyurethane and human hair was increased from 3.
Zheng Liu, Frank R. Jones, Yunzhi Liu, Bailing Jiang   +3 more
openaire   +1 more source

Adhesion properties of polyurethane pressure-sensitive adhesive

Journal of Adhesion Science and Technology, 2013
In this study, the adhesion properties of polyurethane (PUR) pressure-sensitive adhesive (PSA) were investigated. The PUR-PSA was prepared by the cross-linking reaction of a urethane polymer consisting of toluene-2,4-diisocyanate and poly(propylene glycol) components using polyisocyanate as a cross-linking agent.
Yoshinobu Nakamura, Shinji Nakano, Keiko Ito, Keigo Imamura, Syuji Fujii, Mariko Sasaki, Yoshiaki Urahama   +6 more
openaire   +1 more source

Bonding quality assessment of cross-layered Maritime pine elements glued with one-component polyurethane adhesive

Construction and Building Materials, 2019
This paper presents an experimental study about the bonding quality of Maritime pine (Pinus pinaster Ait.) cross-layered wood elements glued with one-component polyurethane adhesive.
P. Santos, J. Correia, L. Godinho, A. Dias, Andre Dias   +4 more
semanticscholar   +1 more source

Numerical study on the mechanical behavior of a polyurethane adhesive under high strain rate

Composites Part B: Engineering, 2019
The cohesive parameters of a polyurethane (PU) adhesive are experimentally tested under different strain rate conditions. As the strain rate of this adhesive is constantly changing under the actual impact conditions, this paper proposes a method, called ...
Zhe-Min Jia, Guo-Qing Yuan, Xiao-Ping Feng, Yun-Yi Zou   +3 more
semanticscholar   +1 more source