Malaysian Palm Oil Board

Shoot Kian Yeong

Salmiah Ahmad

Hazimah Abu Hassan

Seng Soi Hoong

Tian Lye Ooi

Nik Siti Mariam Nek Mat Din

Tuan Noor Maznee Tuan Ismail

Zainab Idris

Zailan Abu Bakar

Khalid Haron

Rozana Abu Bakar

Kosheela Devi Poo Palam

Chun Ming Teoh

A controlled-release fertilizer comprising fertilizer particles encapsulated in a biodegradable polyurethane obtained from a reaction between a polyisocyanate and an isocyanate-reactive component, which is formed by a polyol and a methyl ester derivative of a natural oil, in the presence of an amine catalyst.

Controlled-release fertilizer

Accordingly, the present invention provides a process for preparing polyglycerol from crude glycerol, wherein the crude glycerol having a glycerol content from about 60 to about 90%, soap content from about 10 to about 15% and methanol content from about 5 to about 20%, the process includes the steps of (a) heating the crude glycerol that contains soap to an elevated temperature for a certain reaction time, (b) acidifying the crude polyglycerol with mineral acid at a specific temperature and (c) centrifuging the acidified crude product obtained from step (b) at specific temperature for a certain duration of time.

Process of producing polyglycerol from crude glycerol

The present invention relates to a process for producing oligomers and a method for improving the low temperature properties of fatty alkyl esters by using these oligomers. The oligomers according to the present invention are used as pour point depressant and cloud point reducer to improve the pour point and cloud point of fatty alkyl esters such as isopropyl, butyl, ethyl, ethylhexyl esters particularly fatty acid methyl esters at low temperature.

Process for producing oligomers

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Kajang, Malaysia

Shoot Kian Yeong