The aggregative stability of natural rubber ( N R ) latex stabilized by nonionic, fatty alcohol ethylene oxide condensate surfactant (Verol S-15) was studied in the presence of formic acid. Natural rubber latex having a n additional 3-5 phr surfactant is stable a t pH 2 when acidified by formic acid
โฆ LIBER โฆ
Kinetic studies of the performic acid epoxidation of natural rubber latex stabilized by cationic surfactant
โ Scribed by Leong-Huat Gan; Swee-Cheng Ng
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 237 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0014-3057
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Natural rubber (NR) latex having up to 54% dry rubber content (drc), stabilized by 1.65-5.0 parts of nonionic surfactant [(fatty alcohol)/(ethylene oxide) condensate type] per hundred of rubber can be acidified by acetic acid to pH ca 4, retaining good aggregative stability. It was shown that this s