New high performance two-component wood coatings comprised of a hydroxy functional acrylic emulsion and a water-dispersible polysiocyanate

1999 ◽  
Vol 71 (12) ◽  
pp. 51-57 ◽  
Author(s):  
Sharon Xudong Feng ◽  
Mike Dvorchak ◽  
Kevan E. Hudson ◽  
Christine Renk ◽  
Tammy Morgan ◽  
...  
2014 ◽  
Vol 919-921 ◽  
pp. 2099-2104 ◽  
Author(s):  
Ben Wei Zhu ◽  
An Lin ◽  
Fu Xin Gan

An high performance two-component structural anchor adhesive based on vinyl ester resin is synthesized by adding the toughener to improve the material brittleness and bringing in chemical heat source to reduce the affection of the environment on chemical reaction and it can be cured in the damp or in the environment with water by adding the water-absorbable filler.Compound stabilizer consisted of inhibitor and oxalic acid improve the stability of the pro-accelerated vinyl ester resin.The adhesive exhibites high-early-strength developing, excellent bong strength with “can’t dry”substrate and can cure rapid in lower temperature.it allows construction crews to install threaded rod or rebar in concrete that is too damp or soaked to bond with other adhesives.


1983 ◽  
Vol 66 (2) ◽  
pp. 312-316 ◽  
Author(s):  
Bram Van Rossum ◽  
Albertus Martijn ◽  
Albert A De Reijke ◽  
Jakob Zeeman ◽  
◽  
...  

Abstract Diflubenzuron 90% pre-concentrate and its 25% water-dispersible powder were analyzed by a high performance liquid chromatographic method. Six samples were extracted with 1,4-dioxane, linuron was added as internal standard, and diflubenzuron was separated on a 25 cm × 4.6 mm column packed with Zorbax BP-C8 with acetonitrile-water-l,4-dioxane (450 + 450 + 100) at 1.3 mL/min and monitored at 254 nm. Results were obtained from 17 laboratories. Within-laboratory repeatability was 0.6% for both the pre-concentrate and the water-dispersible powder samples and the reproducibility was 1.2%. The method has been adopted as a full CIPAC method and was adopted official first action by AOAC.


NANO ◽  
2015 ◽  
Vol 10 (01) ◽  
pp. 1550003
Author(s):  
Qi Li ◽  
Denian Li ◽  
Lijie Dong ◽  
Fan Sun ◽  
Jing Huang ◽  
...  

We present an efficient process for producing water dispersible graphene sheets from unassembled graphene–polyaniline nanohybrids. The result of atomic force microscopy reveals that over 80% of thus-prepared graphitic sheets are single layers with typical thickness of approximately 0.8 nm. The proportion of modifying molecules in the product is found to be as low as 3.0 wt.%, as determined by elemental analysis. Along with its fascinating water dispersibility and remarkably high electrical conductivity, such material is anticipated to be very promising for use in graphene-based nanoelectronics and high-performance composites.


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