Roller method

Kai, K. and Karthaus, O. (2007) Growth of unidirectionally oriented pentacene nanofibers by a roller method . e-J. Surf. Sci. Nanotechnol, 5, 103-105. 

Figure 6 Decline curve for the California site using the California roller method.

Dt50 = 9.5 days Dt90 = 1.5 days r2 = 0.88 Figure 8 Decline curve for the Florida site using the California roller method. 

Two methods of plastisol coating are shown in Figure 2 depending on whether a flat surface (using a knife-on-roller method) or even-thickness coating (reverse roll coating) is required. 

ISO 7267-1, 1997. Rubber and plastics covered rollers - Method of test - Determination of apparent hardness (IRHD method). 

Experimental Results—Gottschalk and Wartman (loc cit) investigated the properties of a number of magnetite powders. Magnetites from four sources were purified and sized, each size-fraction then being analyzed for FesC>4. Only size-fractions below 100-U. S. mesh were studied. Sizes below 350-mesh were air elutriated by the Roller method. 

When large, flat surfaces and webs of materials are to be coated and when production reaches rates of 200 to 300 pieces per day, machine methods of application should be considered over the manual methods described above. Mechanical-roller methods are commonly used to apply a uniform layer of adhesive via a continuous roll. Such automated systems are used with adhesives that have a long working life and low viscosity. Various machine methods of adhesive application are illustrated in Fig. 17.8, and several are described below. 

Information relating to ease of nse, simplicity, time requirements and other criteria for each of the test methods was also obtained during the round-robin test by means of written subjective evaluations and critique by each volunteer. The drag sled and PUF roller methods were rated high in overall ease of use, while the California roller was rated low. 

Ross, J., H.R. Fong, T. Thongsinthusak, S. Margetich and R. Krieger (1991). Measured potential dermal transfer of surface pesticide residue generated from indoor fogger use using the CDFA roller method, Chemosphere, 22, 975-984. 

This study provides a means for conservatively estimating potential post-application dermal exposures to treated surfaces following the use of indoor total release foggers by using a high-contact, but reproducible activity. The procedure for estimating potential dermal exposure is based on the use of transfer factors (TFs) derived from the human volunteer dermal dosimetry and treated carpet transferable-residue measurements based on an indoor roller method (Ross et al, 1990, 1991). 

ISO 4578 1979 Adhesives determination of peel resistance of high-strength adhesive bonds. Floating roller method. 

Figure 2. The schematic drawing of the apparatus for quenching in the high speed twin roller method.

When large flat surfaces and webs of materials are to be coated, mechanical-roller methods are commonly used to apply a uniform layer of adhesive via a continuous roll. Such systems are used with adhesives that have a long working life and low viscosity. 

NF 776-126 1987 Adhesives for flexible floor coverings. Peel resistance test at an angle of 90 degrees. (Floating Roller method). 

ISO 14676 1997 Adhesives - Evaluation of the effectiveness of surface treatment techniques for aluminium - Wet-peel test by floating-roller method... 

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