Buchdahl et al., 1951 - Google Patents
Rheology of thermoplastics. II. Recoverable and nonrecoverable deformations of polystyrene between 90 and 240° C. as a function of molecular weightBuchdahl et al., 1951
- Document ID
- 9859082386453865316
- Author
- Buchdahl R
- Nielsen L
- Merz E
- Publication year
- Publication venue
- Journal of Polymer Science
External Links
Snippet
The rheological properties of polystyrene have been studied between 90 and 240° C. as a function of molecular weight. Three different methods have been used to obtain the data: rotational viscometer, extrusion‐type capillary viscometer, and tensile creep measurements …
- 229920002223 polystyrene 0 title abstract description 34
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
- G01N11/04—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
- G01N11/08—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture by measuring pressure required to produce a known flow
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