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Sunday 13 May 2018

BASF's light stabilizer adopted by Indian plastics masterbatch manufacturer




BASF’s light stabilizer Chimassorb 2020 has been adopted by Ray Colors, a leading agricultural plastics masterbatch manufacturer in India, to make polypropylene (PP) non-woven fabric. This is used to cover crops, plants and vegetables to protect them from adverse weather conditions and pests.
Exposure to sunlight can have adverse effects on the life of plastic products. In particular, ultraviolet (UV) light can initiate chemical reactions in polymers which result in discolouration and the breakdown of chemical bonds. This process results in the deterioration of physical properties such as loss of impact strength, changes in colour, cracking & loss of elongation and tensile strength.
BASF’s range of light stabilizers include UV absorbers that act by shielding the polymer from UV light, and hindered amine light stabilizer (HALS) that act by removing the radical intermediates formed in the photo-oxidation process. In addition, BASF’s light stabilizers improve manufacturing productivity with more efficient continuous production, offering high chemical resistance and wide product stewardship compliance.
A plant is most vulnerable to virus-carrying insects and frost in the initial period after planting. Covering rows of young plants with PP non-woven fabrics is a perfect, cost-effective solution: on the one hand, it is porous so it lets out excess humidity, preventing the growth of moulds; on the other hand, its pores are small enough to stop insects flying through and infecting the new plant with viruses.

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