| Autor: |
Weiss, Louis C., Wade, Ricardo H., Andrews, Frederick R |
| Zdroj: |
Textile Research Journal; Nov1974, Vol. 44 Issue 11, p892-894, 3p |
| Abstrakt: |
Changes in length with increases in temperature have been determined for two flame-retardant cotton yams and fabrics—one treated with a zinc chloride-ammonia complex and the other treated with tetrakis(hydroxymethyl)phos phonium hydroxide, then cured with ammonia vapor. Other modified cottons, ramie, and glass-fiber yarns were also tested in flowing oxygen or nitrogen atmospheres. The elongation vs. temperature curves for Deltapine cotton yams and fabrics when under load indicate that results are influenced more by the chemical treatment or material than by the form or shape of the textile. Thus, flame-retardant cotton increases in length with increasing temperature until 300°C is exceeded; thereafter, contraction vitiates the initial elongation and continues until rupture or until the termination of heating at approximately 500°C. Measurements of this type are made possible only by the use of a recently developed thermal analysis system. [ABSTRACT FROM PUBLISHER] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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