A PROCESS FOR MANUFACTURING LYOCELL FILAMENT YARN AND AN APPARATUS THEREOF

World Intellectual Property Organization Patent

APP PUB NO WO-2020222258-A1
SERIAL NO

PCTIN2020050395

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Abstract

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The present invention relates to a process for manufacturing lyocell filament yarn with improved mechanical properties and an apparatus thereof. The process involves washing of filament yarn with sequential decrease in NMMO concentrations and filament yarn drying under relaxed conditions. Additionally, the present invention also provides a compact washing and drying apparatus that uses controlled air gap spinning thereby resulting in production of LFY under relaxed conditions and also having a higher mechanical properties & productivity.

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Patent Owner(s)

Patent OwnerAddress
ADITYA BIRLA SCIENCE AND TECH COMPANY PVT LTDIN

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Inventor(s)

Inventor Name Address
NAGARKAR SHAILESH PRAKASH MAHARASHTRA 410208
SHINGOTE SANTOSH SHIVAJI MAHARASHTRA 410208
KALE BANDU MADHUKAR GUJARAT 362266
MOHITE LALASO VISHNU MAHARASHTRA 410208
THAKRE SHIRISH SHESHRAO MAHARASHTRA 410208
DUTTA SUVANKAR MADHUSUDAN MAHARASHTRA 410208
SHARMA ROOP KISHORE GUJARAT 362266
LIMBANI MANISHKUMAR GOVINDBHAI GUJARAT 362266
PANKAJ SRIVASTAVA GUJARAT 362266
DAGUR HARENDRA SINGH GUJARAT 362266

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