Flame retardant poly (trimethylene) terephthalate compositions and articles made therefrom

FLAME RETARDANT POLY(TRIMETHYLENE) TEREPHTHALATE COMPOSITIONS AND ARTICLES MADE THEREFROM

Poly(trinnethylene terephthalate) compositions, and articles made therefrom, having improved flame retardancy are provided. The compositions can be used to make carpets that are suitable for installation where flame retardancy is desired.

FLAME RETARDANT POLY(TRIMETHYLENE) TEREPHTHALATE COMPOSITIONS AND ARTICLES MADE THEREFROM

Poly(trinnethylene terephthalate) compositions, and articles made therefrom, having improved flame retardancy are provided. The compositions can be used to make carpets that are suitable for installation where flame retardancy is desired.

REDUCTION OF WHITENING OF POLYMER PARTS

This invention relates to a process for producing non-whitening molded articles of poly(trimethylene terephthalate) (PTT) with reduced whitening by treating the articles with heat.

THERMOPLASTIC MOLDED ARTICLE HAVING A METAL LAYER

Disclosed is a thermoplastic molded article having at least one surface having a metal layer, wherein the article includes a poly(trimethylene terephthalate) molding resin having a cyclic dimer content of less than or equal to 1.1 wt %, as determined with nuclear magnetic resonance analysis, based on the weight of said poly(trimethylene terephthalate) repeat units and said cyclic dimer; and an intrinsic viscosity of 0.9 to about 2.0 dL/g. Preferably the metal layer is aluminum. Molded parts include vehicle light bezels including headlight, taillight, direction light bezels, and vehicle interior light bezels.

Flame retardant poly(trimethylene) terephthalate compositions and articles made therefrom

Poly(trinnethylene terephthalate) compositions, and articles made therefrom, having improved flame retardancy are provided. The compositions can be used to make carpets that are suitable for installation where flame retardancy is desired.

Flame retardant poly(trimethylene) terephthalate compositions and articles made therefrom

Poly(trinnethylene terephthalate) compositions, and articles made therefrom, having improved flame retardancy are provided. The compositions can be used to make carpets that are suitable for installation where flame retardancy is desired.

Reduction of whitening of polymer parts

This invention relates to a process for producing non-whitening molded articles of poly(trimethylene terephthalate) (PTT) with reduced whitening by treating the articles with heat.

HEAT RESISTANT POLYAMIDE COMPOSITIONS

Disclosed are heat resistant polyamide compositions including a) one or more polyamide resins, b) one or more reinforcing agents, c) a zinc compound; d) a copper heat stabilizer; and optionally, e) a polyhydric alcohol.

REDUCTION OF WHITENING OF POLY(TRIMETHYLENE TEREPHTHALATE) PARTS BY SOLVENT EXPOSURE

This invention relates to a process for producing non-whitening molded parts of poly(trimethylene terephthalate) (PTT) with reduced whitening after an elevated temperature aging test by exposing the parts to solvents.

PROCESS OF MAKING A POLY(TRIMETHYLENE TEREPHTHALATE) RESIN HAVING LOW CYCLIC DIMER CONTENT, AND COMPOSITIONS AND ARTICLES THEREFROM

A process for making a high viscosity poly(trimethylene terephthalate) (PTT) resin having a low cyclic dimer content of less than or equal to 1.1 wt % as determined with nuclear magnetic resonance analysis and an intrinsic viscosity in the range of 0.9 to 2.0 dL/g; the PTT resin composition provided by the process; and molded articles derived from the composition are disclosed.

POLY(TRIMETHYLENE TEREPHTHALATE) WITH REDUCED WHITENING

The present invention relates to a process for making a non-whitening poly(trimethylene terephthalate)-based polymer, wherein the polymer is melt polymerized 1,3-propanediol and a terephthalate component in the presence of a co-monomer, wherein the poly(trimethylene terephthalate)-based polymer comprises a PTT cyclic dimer level below 2 wt. %.

POLY(TRIMETHYLENE TEREPHTHALATE) POLYMER BLENDS THAT HAVE REDUCED WHITENING

The present invention relates to a composition being poly(trimethylene terephthalate) and at least one blend polymer. The invention further includes a process of producing reduced-whitening in articles made from the poly(trimethylene terephthalate) and at least one blend polymer.

THERMOPLASTIC MOLDED VEHICLE LIGHT BEZEL

Disclosed is a thermoplastic molded vehicle light bezel including a polyester molding resin comprising a thermoplastic polyester selected from the group consisting of poly(butylene terephthalate) homopolymer, poly(butylene terephthalate) copolymer, poly(trimethylene terephthalate) homopolymer, poly(trimethylene terephthalate) copolymer and blends thereof, and sodium montanate.

Flame retardant poly (trimethylene) terephthalate compositions and articles made therefrom

Poly(trimethylene terephthalate) compositions, and articles made therefrom, having improved flame retardancy are provided. The compositions can be used to make carpets that are suitable for installation where flame retardancy is desired.

FLAME RETARDANT PERFORMANCE IN POLY (TRIMETHYLENE) TEREPHTHALATE

Poly(trimethylene terephthalate) compositions, and articles made therefrom, having improved flame retardancy are provided. The compositions can be used to make carpets that are suitable for installation where flame retardancy is desired.

FLAME RETARDANT POLY(TRIMETHYLENE) TEREPHTHALATE COMPOSITIONS AND ARTICLES MADE THEREFROM

Poly(trimethylene terephthalate) compositions, and articles made therefrom, having improved flame retardancy are provided. The compositions can be used to make carpets that are suitable for installation where flame retardancy is desired. 116-. (canceled)17. A carpet comprising face fibers and a precoat , wherein: the face fibers comprise (a) from about 75 to about 99.9 weight percent of a resin component , based on the total composition weight , wherein the resin component comprises at least about 70 weight percent of a poly(trimethylene terephthalate) homopolymer , based on the weight of the resin component; and (b) from about 0.1 to about 25 weight percent of an additive package , based on the total composition weight , comprising from about 0.1 to about 15 weight percent of melamine cyanurate , melamine pyrophosphate , a zinc salt of diethyl phosphinic acid , or blends thereof , based on the total composition weight and the precoat contains a flame retardant additive selected from aluminum trihydrate and magnesium hydroxide.18. The carpet of claim 17 , wherein the precoat is latex-derived and contains the flame retardant in a quantity of 400 phr or less claim 17 , based on the total weight of the resin component in the precoat.19. The carpet of wherein the flame retardant is aluminum trihydrate.20. The carpet of wherein the precoat comprises a hot melt adhesive and contains the flame retardant in a quantity of 25 weight % or less claim 17 , based on the total weight of the resin component in the precoat.21. The carpet of claim 17 , wherein the precoat is latex-derived and contains the flame retardant aluminum trihydrate in a quantity of 300 phr or less claim 17 , based on the total weight of resin component in the precoat claim 17 , and wherein the carpet contains 2 weight % or less zinc salt of diethyl phosphinic acid in the fiber claim 17 , at a carpet basis weight of 28 oz/ydor less.22. The carpet of claim 21 , wherein the carpet exhibits a radiant panel ...

HEAT RESISTANT POLYAMIDE COMPOSITIONS

Disclosed are heat resistant polyamide compositions including a) one or more polyamide resins, b) one or more reinforcing agents, c) a zinc compound; d) a copper heat stabilizer; and optionally, e) a polyhydric alcohol. 2. The polyamide composition of wherein 0.25 to 5.0 weight percent polyhydric alcohol is present.3. The polyamide composition of wherein the zinc compound is selected from the group of zinc borate claim 1 , zinc oxide and mixtures of these.4. The polyamide composition of wherein 2 mm test bars prepared from said polyamide composition claim 1 , exposed at a test temperature of 230° C. for a test period of 1000 hours claim 1 , in an atmosphere of air claim 1 , and subsequently tested according to ISO 527-2/1A claim 1 , have claim 1 , on average claim 1 , a retention of tensile strength of at least 66 percent claim 1 , as compared with that of an unexposed control of identical composition and shape.5. The polyamide composition of wherein 2 mm test bars prepared from said polyamide composition claim 1 , exposed at a test temperature of 230° C. for a test period of 1000 hours claim 1 , in an atmosphere of air claim 1 , and subsequently tested according to ISO 527-2/1A claim 1 , have claim 1 , on average claim 1 , a tensile strength of at least 100 MPa.6. The polyamide composition of wherein the polyamide resin is selected from the group consisting of Group (III) polyamides.7. The polyamide composition of wherein the polyamide resin comprises about 1 to 20 weight percent of polycaprolactam.8. The polyamide composition of wherein the polyamide resin is selected from the group consisting of poly(hexamethylene hexanediamide) (PA 66) claim 1 , poly(hexamethylene hexanediamide/hexamethylene terephthalamide) (PA 66/6T) claim 1 , poly(ε-caprolactam) (PA 6) claim 1 , and combinations of these.9. The polyamide composition of wherein the reinforcing agent is selected from the group consisting of circular glass fibers claim 1 , noncircular glass fibers claim 1 , ...

Poly(trimethylene terephthalate) with reduced whitening

The present invention relates to a process for making a non-whitening poly(trimethylene terephthalate)-based polymer, wherein the polymer is melt polymerized 1,3-propanediol and a terephthalate component in the presence of a co-monomer, wherein the poly(trimethylene terephthalate)-based polymer comprises a PTT cyclic dimer level below 2 wt. %.

Heat resistant polyamide compositions

Disclosed are heat resistant polyamide compositions including a) one or more polyamide resins, b) one or more reinforcing agents, c) a zinc compound; d) a copper heat stabilizer; and optionally, e) a polyhydric alcohol.

Heat resistant polyamide compositions

Disclosed are heat resistant polyamide compositions including a) one or more polyamide resins, b) one or more reinforcing agents, c) a zinc compound; d) a copper heat stabilizer; and optionally, e) a polyhydric alcohol.

thermoplastic molding and light bevel

Employing low reactivity hydrocarbon dispersing agent in aqueous polymerization of fluoropolymers

A process for polymerizing at least one fluoromonomer in an aqueous medium containing initiator and hydrocarbon dispersing agent to form an aqueous dispersion of particles of fluoropolymer. The hydrocarbon dispersing agent comprises a compound of formula I:R—(XZ)n  Iwherein R is a hydrophobic hydrocarbon moiety that comprises one or more saturated or unsaturated, non-cyclic or cyclic aliphatic groups, the percentage of total CH3 groups in relation to the total of CH3, CH2 and CH groups in said one or more aliphatic groups being at least about 70%, said hydrophobic moiety being free of siloxane units; wherein each X may be the same or different and represents an ionic hydrophilic moiety; wherein each Z may be a same or different and represents one or more counter ions for said ionic hydrophilic moiety; and wherein n is 1 to 3.