Ultrasonic absorption measurements were made at 3.14 MHz on poly( methyl methacrylate) as a function of temperature and after various doses of y-irradiation. The measurements showed a relaxation phenomenon. The activation energy of the various doses was determined and the smallest doses that affecte
The effect of deuteration on the ultrasonic properties of poly(methyl methacrylate)
β Scribed by B. Bridge; B. Gabrys; S. B. Joshi; J. S. Higgins
- Book ID
- 105088281
- Publisher
- Springer
- Year
- 1989
- Tongue
- English
- Weight
- 437 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0022-2461
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
## Abstract Brittle failure of bone cement remains a problem for the longβterm stability of hip prostheses. Fibers have been developed from poly(methyl methacrylate) (PMMA) that retain the chemistry of bone cement, but improve the mechanical properties greatly. To fabricate the fibers, a polymer me
2 Methyl esters o f : 2-methyl [3-H21prop-2-enoic a c i d (methyl methacrylate-d2 , C02=C(CH31C02CH3) and 2-[Me-2 H31methylprop-2-enoic a c i d (methyl methacrylate-dg , CH2=C(C031C02CH31 were prepared i n h i g h y i e l d under m i l d c o n d i t i o n s from carbomethoxymethyltriphenylphosphoniu