WO2016079761A3 - Flame retardant polyethylene terephthalate masterbatch and process of making thereof - Google Patents

Flame retardant polyethylene terephthalate masterbatch and process of making thereof Download PDF

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Publication number
WO2016079761A3
WO2016079761A3 PCT/IN2015/050170 IN2015050170W WO2016079761A3 WO 2016079761 A3 WO2016079761 A3 WO 2016079761A3 IN 2015050170 W IN2015050170 W IN 2015050170W WO 2016079761 A3 WO2016079761 A3 WO 2016079761A3
Authority
WO
WIPO (PCT)
Prior art keywords
flame retardant
phosphorus
amorphous polyester
polyester
making
Prior art date
Application number
PCT/IN2015/050170
Other languages
French (fr)
Other versions
WO2016079761A2 (en
Inventor
Sanjay Tammaji Kulkarni
Balasundaram Dillyraj
Chandrakant Omkar VYAS
Original Assignee
Ester Industries Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ester Industries Limited filed Critical Ester Industries Limited
Publication of WO2016079761A2 publication Critical patent/WO2016079761A2/en
Publication of WO2016079761A3 publication Critical patent/WO2016079761A3/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/80—Solid-state polycondensation

Abstract

The present invention relates to a method of preparing a polyester masterbatch composition with reactive phosphorus based additive comprising (a) preparing oligomers or pre-polymers comprising one or more monomers; (b) reacting the said oligomers, the said pre-polymers, and unreacted monomers with one or more additives and one or more phosphorus (P) based flame retardant additive so as to achieve up to 60,000 PPM phosphorus (P) in final reaction product, wherein the at least one phosphorus based flame retardant additive is Carboxyalkyl(phenyl) phosphinic acid; (c) melt polymerizing the said reaction product to obtain amorphous polyester, and further crystallizing the said amorphous polyester in a rotary or fluid bed crystalizer; and (d) subsequently, subjecting the said crystalized amorphous polyester chips of lower I.V. to solid state polymerization in batch or continuous solid state polymerizer to obtain the said polyester masterbatch of high intrinsic viscosity
PCT/IN2015/050170 2014-11-21 2015-11-20 Flame retardant polyethylene terephthalate masterbatch and process of making thereof WO2016079761A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN3391DE2014 2014-11-21
IN3391/DEL/2014 2014-11-21

Publications (2)

Publication Number Publication Date
WO2016079761A2 WO2016079761A2 (en) 2016-05-26
WO2016079761A3 true WO2016079761A3 (en) 2016-08-04

Family

ID=56014649

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2015/050170 WO2016079761A2 (en) 2014-11-21 2015-11-20 Flame retardant polyethylene terephthalate masterbatch and process of making thereof

Country Status (1)

Country Link
WO (1) WO2016079761A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111304781B (en) * 2020-03-12 2022-05-24 浙江恒逸石化研究院有限公司 Preparation method of moisture-absorbing and sweat-releasing ECDP fiber
CN111349981B (en) * 2020-04-29 2022-04-29 上海工程技术大学 Low-toxicity low-smoke flame-retardant polyester fiber and preparation method thereof
CN115433436A (en) * 2021-06-01 2022-12-06 华润化学材料科技股份有限公司 Flame-retardant polyester and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0589197A1 (en) * 1992-09-24 1994-03-30 Basf Corporation Thermoplastic polyester with reduced flammability
WO2004063247A1 (en) * 2003-01-06 2004-07-29 Toray Plastics (America), Inc. Flame retardant polyester resin composition and articles formed therefrom

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0589197A1 (en) * 1992-09-24 1994-03-30 Basf Corporation Thermoplastic polyester with reduced flammability
WO2004063247A1 (en) * 2003-01-06 2004-07-29 Toray Plastics (America), Inc. Flame retardant polyester resin composition and articles formed therefrom

Also Published As

Publication number Publication date
WO2016079761A2 (en) 2016-05-26

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