Sabic Innovative Plastics IP B.v.

Subodh Kumar Pal

Gerrit De Wit

Veeraraghavan Srinivasan

Robert Russell Gallucci

Balakrishnan Ganesan

Chris Van Der Weele

Rama Konduri

Reema Sinha

Pravin Borade

Johannes Hubertus G M Lohmeijer

Gomatam Raghavan Ravi

Deepak Ramaraju

Govind Subbanna Wagle

Somasundaram Elango

A composition is described, comprising: (a) from 20 to 80 wt % of a polyester; (b) from 5 to 35 wt % of a flame retardant phosphinate of the formula (I)[(R)(R)(PO)&#x2014;O]M&#x2003;&#x2003;(I),a flame retardant diphosphinate of the formula (II)[(O&#x2014;POR)(R)(POR&#x2014;O)]M&#x2003;&#x2003;(II),and/or a flame retardant polymer derived from the flame retardant phosphinate of the formula (I) or the flame retardant diphosphinate of the formula (II), wherein Rand Rare identical or different and are H, C-C-alkyl, linear or branched, or C-C-aryl; Ris C-C-alkylene, linear or branched, C-C-arylene, -alkylarylene or -arylalkylene; M is an alkaline earth metal, alkali metal, Al, Ti, Zn, Fe, or boron; m is 1, 2, 3 or 4; n is 1, 2, or 3; and x is 1 or 2; (c) from 1 to 25 wt % of a melamine polyphosphate, melamine cyanurate, melamine pyrophosphate, and/or melamine phosphate; (d) from more than 0 to 25 wt % of a polyetherimide; and (e) optionally, an additive.

Polyester compositions, method of manufacture, and uses thereof

A composition comprises 20 to 80 wt. % of a polyester component comprising a modified polybutylene terephthalate random copolymer derived from a polyethylene terephthalate component selected from polyethylene terephthalate and polyethylene terephthalate copolymers and having at least one residue derived from the polyethylene terephthalate component; from 5 to 35 wt. % of a flame retardant phosphinate (I) or (II)(R)(R)(PO)&#x2014;O]M&#x2003;&#x2003;(I)[(O&#x2014;POR)(R)(POR&#x2014;O)]M&#x2003;&#x2003;(II),and/or a flame retardant polymer thereof, wherein Rand Rare independently are H, C1-C6-alkyl, or C6-C10-aryl; Ris C1-C10, alkylene, C6-C10-arylene, -alkylarylene or -arylalkylene; M is an alkaline earth metal, alkali metal, Al, Ti, Zn, Fe, or boron; m is 1, 2, 3 or 4; n is 1, 2, or 3; and x is 1 or 2; 1 to 25 wt. % of a melamine polyphosphate, melamine cyanurate, melamine pyrophosphate, and/or melamine phosphate; and more than 0 to 25 wt. % of a polyetherimide.

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Karnataka, India

Subodh Kumar Pal