Physiochemical characteristics and rheological investigations of camellia oil body emulsions stabilized by gum tragacanth as a coating layer

2022 ◽  
pp. 131997
Author(s):  
Shahzad Farooq ◽  
Abdullah ◽  
Cen Zhang ◽  
Yuhang Xi ◽  
Hui Zhang
Keyword(s):  
Coating Layer ◽  
Oil Body ◽  
Camellia Oil ◽  
Gum Tragacanth

A method for measuring the in-plane compressive strength and the compression behavior of coating layers

TAPPI Journal ◽  
2011 ◽  
Vol 10 (7) ◽  
pp. 29-34
Author(s):  
TEEMU PUHAKKA ◽  
ISKO KAJANTO ◽  
NINA PYKÄLÄINEN
Keyword(s):  
Tensile Strength ◽  
Compressive Strength ◽  
Calcium Carbonate ◽  
Coating Layer ◽  
Test Methods ◽  
Coating Films ◽  
Precipitated Calcium Carbonate ◽  
Coating Color ◽  
Mineral Coatings ◽  
Styrene Butadiene

Cracking at the fold is a quality defect sometimes observed in coated paper and board. Although tensile and compressive stresses occur during folding, test methods to measure the compressive strength of a coating have not been available. Our objective was to develop a method to measure the compressive strength of a coating layer and to investigate how different mineral coatings behave under compression. We used the short-span compressive strength test (SCT) to measure the in-plane compressive strength of a free coating layer. Unsupported free coating films were prepared for the measurements. Results indicate that the SCT method was suitable for measuring the in-plane compressive strength of a coating layer. Coating color formulations containing different kaolin and calcium carbonate minerals were used to study the effect of pigment particles’ shape on the compressive and tensile strengths of coatings. Latices having two different glass transition temperatures were used. Results showed that pigment particle shape influenced the strength of a coating layer. Platy clay gave better strength than spherical or needle-shaped carbonate pigments. Compressive and tensile strength decreased as a function of the amount of calcium carbonate in the coating color, particularly with precipitated calcium carbonate. We also assessed the influence of styrene-butadiene binder on the compressive strength of the coating layer, which increased with the binder level. The compressive strength of the coating layer was about three times the tensile strength.

Impact of high temperature and soft nip calendering on the pore structure of the coating layer

2002 ◽  
Vol 17 (2) ◽  
pp. 147-152 ◽  
Author(s):  
Magnus Wikström ◽  
Mikael Bouveng ◽  
Mikael Rigdahl ◽  
Anthony G. Hiorns
Keyword(s):  
High Temperature ◽  
Pore Structure ◽  
Coating Layer

A MICROMETER THICK COATING LAYER SLOWING THE WEATHERING RATE OF GLACIAL POLISH

2017 ◽  
Author(s):  
Shalev Siman-Tov ◽  
◽  
Greg M. Stock ◽  
Emily E. Brodsky ◽  
Joseph Clancy White
Keyword(s):  
Coating Layer ◽  
Weathering Rate ◽  
Thick Coating

SILICATE CHEMICAL WEATHERING BENEATH GLACIERS RECORDED BY THE COATING LAYER OF GLACIAL POLISH

2018 ◽  
Author(s):  
Terrence Blackburn ◽  
◽  
Shalev Siman-Tov ◽  
Emily E. Brodsky ◽  
Greg M. Stock ◽  
...  
Keyword(s):  
Chemical Weathering ◽  
Coating Layer

Study of Novel Fe-Based Amorphous/Nanocrystalline Soft Magnetic Powder Cores with NiCuZnFe2O4 Coating Layer

2021 ◽  
Author(s):  
Chaohan Zhang ◽  
Pingjun Tao ◽  
Kunsen Zhu ◽  
Yugan Chen ◽  
Weijan Zhang ◽  
...  
Keyword(s):  
Coating Layer ◽  
Magnetic Powder ◽  
Soft Magnetic

scholarly journals Mechanically Sustainable Starch-Based Flame-Retardant Coatings on Polyurethane Foams

Polymers ◽  
2021 ◽  
Vol 13 (8) ◽  
pp. 1286
Author(s):  
Kyung-Who Choi ◽  
Jun-Woo Kim ◽  
Tae-Soon Kwon ◽  
Seok-Won Kang ◽  
Jung-Il Song ◽  
...  
Keyword(s):  
Heat Release ◽  
Flame Retardant ◽  
Coating Layer ◽  
Real Life ◽  
Polyurethane Foams ◽  
Layer By Layer ◽  
Toxic Substances ◽  
Cone Calorimetry ◽  
Coating Agent ◽  
Cone Calorimeter Test

The use of halogen-based materials has been regulated since toxic substances are released during combustion. In this study, polyurethane foam was coated with cationic starch (CS) and montmorillonite (MMT) nano-clay using a spray-assisted layer-by-layer (LbL) assembly to develop an eco-friendly, high-performance flame-retardant coating agent. The thickness of the CS/MMT coating layer was confirmed to have increased uniformly as the layers were stacked. Likewise, a cone calorimetry test confirmed that the heat release rate and total heat release of the coated foam decreased by about 1/2, and a flame test showed improved fire retardancy based on the analysis of combustion speed, flame size, and residues of the LbL-coated foam. More importantly, an additional cone calorimeter test was performed after conducting more than 1000 compressions to assess the durability of the flame-retardant coating layer when applied in real life, confirming the durability of the LbL coating by the lasting flame retardancy.

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