Physical Property Relationships and Chemical Factors Affecting Flex Fatigue Characteristics of Flexible Urethane Foam

Beals, B.; Dwyer, F.J.; Kaplan, M.

doi:10.1177/0021955x6500100105

Cited by 8 publications

(1 citation statement)

References 2 publications

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“…Flex Fatigue. Considerable information on the measurement and cause of flex fatigue in flexible foams has been published (182)(183)(184). Changing compressive strength and volume upon repeated flexing over long periods of time is a significant deterrent to the use of polyurethane foam in many cushioning applications.…”

Section: Tear Strengthmentioning

confidence: 99%

Foamed Plastics

Suh

2000

Kirk-Othmer Encyclopedia of Chemical Technology

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This article is concerned with the general theory of expansion, manufacturing processes, properties, and applications of foamed (cellular) plastics. The high strength‐to‐weight ratio, excellent insulating properties, and cushioning properties of cellular plastics have contributed to the development and growth of the broad range of cellular plastics in use. The total usage of foamed plastics in the United States has risen from 441 thousand metric tons in 1967 to 1.6 million metric tons in 1982 and has been projected to rise to about 2.8 million metric tons in 1995. The manufacturing processes for cellular polymers are described in terms of three classified methods based on the cell growth and stabilization processes. The properties of cellular plastics including mechanical, thermal, electrical, and environmental aging properties, are summarized. A general discussion is given on the properties of cellular plastic necessary in many applications such as the comfort cushioning, thermal insulation, packaging, structural components, buoyancy, electrical insulation, and space‐filling markets. A brief discussion is also given on the process economics, raw materials, and energy considerations for the commercial products of primary importance.

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Section: Tear Strengthmentioning

confidence: 99%

Foamed Plastics

Suh

2000

Kirk-Othmer Encyclopedia of Chemical Technology

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Cellular Materials

Imeokparia¹,

Suh²,

Stobby³

2003

Encyclopedia of Polymer Science and Technology

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This article is concerned with the general theory of expansion, manufacturing processes, properties, and applications of foamed (cellular) plastics. The high strength‐to‐weight ratio, excellent insulating properties, and cushioning properties of cellular plastics have contributed to the development and growth of the broad range of cellular plastics in use. The total usage of foamed plastics in the United States has risen from 1.4 million metric tons in 1982 to 2.2 million metric tons in 1992 and has been projected to rise to about 3.1 million metric tons in 2002. The manufacturing processes for cellular polymers are described in terms of three classified methods on the basis of cell growth and stabilization processes. The properties of cellular plastics, including mechanical, thermal, electrical, and environmental aging properties, are summarized. A general discussion is given on the properties of cellular plastic necessary in many applications such as the comfort cushioning, thermal insulation, packaging, structural components, buoyancy, electrical insulation, and space‐filling markets. A brief discussion is also given on the process economics, raw materials, and energy considerations for the commercial products of primary importance.

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Damage evolution in flexible polyurethane foams

Kau

Huber

Hiltner

et al. 1992

J of Applied Polymer Sci

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SYNOPSISMicrocrazing in the struts of flexible polyurethane foams was discovered during compressive deformation and observed directly in the scanning electron microscope. Attributed to this phenomena was the decrease in stress at maximum compression and the intensity of acoustic emission during compressive cycling. The higher content of styrene-acrylonitrile ( SAN ) copolymer in these foams resulted in higher modulus, more severe microcrazing, an increase in acoustic emission activity, and a decrease in the stress at maximum compression as cycling progressed.

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Physical Property Relationships and Chemical Factors Affecting Flex Fatigue Characteristics of Flexible Urethane Foam

Cited by 8 publications

References 2 publications

Foamed Plastics

Foamed Plastics

Cellular Materials

Damage evolution in flexible polyurethane foams

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