Green strength measurement

C and 130 C. The mold residence time was 1 hour. This was followed by a post cure at 100 C overnight. Green strength measurements were also carried out on each prepolymer. 

Extent of Fibre Orientation from Green Strength Measurements... 

In this experiment the equilibrium constant for the dissociation of bromocresol green is measured at several ionic strengths. Results are extrapolated to zero ionic strength to find the thermodynamic equilibrium constant. Equilibrium Constants for Calcium lodate Solubility and Iodic Acid Dissociation. In J. A. Bell, ed. Chemical Principles in Practice. Addison-Wesley Reading, MA, 1967. 

Neoprene—phenohc contact adhesives, known for thein high green strength and peel values, contain a resole-type resin prepared from 4-/-butylphenol. The alkyl group increases compatibiHty and reduces cross-linking. This resin reacts or complexes with the metal oxide, eg, MgO, contained in the formulation, and increases the cohesive strength of the adhesive. In fact, the reactivity with MgO is frequently measured to determine the effectiveness of heat-reactive phenoHcs in the formulation. 

Since the tack and green strength of these rubbers may depend on their ability to undergo strain induced crystallization, this behavior was studied and compared with that shown by NR. Information on the strain induced crystallization behavior of these experimental rubbers was obtained from x-ray diffraction measurements and from rheo-optical studies. 

The green strengths of the Phase I elastomers were determined by measuring the mechanical properties immediately after demolding. 

Green strength may be determined by measuring the lateral force that bonded parts can withstand. In one test method (Siemens Standard SN 59651)," a populated board is allowed to slide down an incline to a stop at the base, and the displacement of components on the board is measured (Figure 5.4). An acceleration run of 400 mm from a height of 35 mm is made. A maximum shift of 0.15 mm (50% of the track pitch for a standard 0.3 mm pitch part) is considered acceptable. ... 

Figure 5.4 Test fixture for measuring green strength. Source Siemens Standard Specification SN 59651.

Green strength may be determined by measuring the lateral force that bonded parts can withstand. In one test method (Siemens Standard SN59651 a populated board is allowed to slide down an incline to a stop... 

Surfactants have been covered in just about every book on ceramic processing ever written. This is not surprising, since the role they play in ceramic processing is enormously important. They are the key to dispersion, wetting, high density, porosity, deflocculation, slip stability, green strength (in some processes), and just about any other measurable property in a formed ceramic shape. For those who already know what a surfactant is, please be sure to read this section very carefully, since we may not use the word surfactant the same way you do. 

Green Strength. The mechanical strength (usually measured by a transverse test) of ceramic ware in the GREEN (q.v.) state. 

Section 1.9 1985 Measurement of green strength of adhesive joints. 

Test for footwear and footwear materials. Measurement of green strength of adhesive joints Cold applied sealants test method for the determination of tack free time... 

Stress-strain properties are normally measured on vulcanizates. The tensile properties of uncmed stocks are sometimes used as a measure of green strength - i. e., the strength of the stock for handling before cure. 

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