CN104845210A - Halogen-free and flame-retardant PTT/PPE composite material and preparation method thereof - Google Patents

Abstract

The invention discloses a halogen-free and flame-retardant PTT/PPE composite material and a preparation method thereof. The halogen-free and flame-retardant PTT/PPE composite material comprises the following components in mass percentage: 50-85% of PTT, 10-40% of PPE, 5-10% of halogen-free flame retardant, 2-6% of compatilizer, 0.1-1% of nucleating agent, 0.1-0.5% of anti-oxidant, and 0.1-1% of lubricant. The halogen-free flame retardant is in the form of a compound halogen-free flame retardant formed through uniformly mixing up 75 wt% of PSPPP, 20 wt% of nano-montmorillonite, 3 wt% of potassium phenylsulphonyl benzene sulfonate, and 2 wt% of nano polytetrafluoroethylene. According to the invention, the original advantages of PTT and PPE materials are realized, while the halogen-free and flame-retardant PTT/PPE composite material is excellent in halogen-free and flame-retardant performance and good in dimension stability. Meanwhile, the halogen-free and flame-retardant PTT/PPE composite material is simple in preparation process and low in production cost.

Description

A kind of halogen-free flameproof PTT/PPE matrix material and preparation method thereof

Technical field

The present invention relates to technical field of polymer materials, specifically a kind of halogen-free flameproof PTT/PPE matrix material and preparation method thereof.

Background technology

Poly(Trimethylene Terephthalate) (PTT), as a kind of new polyester macromolecular material of excellent combination property, has been widely used in the fields such as fiber, film, engineering plastics at present, but has been used alone the problem that PTT exists poor fire.

Summary of the invention

The object of the present invention is to provide a kind of halogen-free flameproof PTT/PPE matrix material and preparation method thereof.

The technical solution adopted for the present invention to solve the technical problems is: a kind of halogen-free flameproof PTT/PPE matrix material, and its component by mass percent proportioning is: PTT 50% ~ 85%, PPE 10% ~ 40%, halogen-free flame retardants 5% ~ 10%, compatilizer 2% ~ 6%, nucleator 0.1% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.

Described PTT is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.5dL/g.

Described PPE is the polyphenylene oxide of limiting viscosity 0.4 ~ 0.6dL/g.

Described halogen-free flame retardants mixes obtained Compositional type halogen-free flame retardants by polyphenylene phosphonic acids sulfobenzide ester 75wt%, nano imvite 20wt%, potassium phenylsulphonyl benzene sulfonate 3wt% and nanometer polytetrafluoroethylcomposite 2wt%.

Described compatilizer is styrene-acrylonitrile-methacrylic sour water glyceryl ester.

Described nucleator is the compound of the nanomete talc powder of mass ratio 8:1:1, Sodium Benzoate and polyoxyethylene glycol.

Described oxidation inhibitor is the Hinered phenols antioxidant 1010 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.

Described lubricant is the one in pentaerythritol stearate, silicone powder, modification ethylene bis stearamide.

The preparation method of above-mentioned a kind of halogen-free flameproof PTT/PPE matrix material, comprises the following steps:

(1) drying about 6 ~ 8 hours at 110 DEG C ~ 120 DEG C temperature of forced air circulation baking oven, by PTT and PPE is placed in separately respectively, stand-by;

(2) polyphenylene phosphonic acids sulfobenzide ester 75wt%, nano imvite 20wt%, potassium phenylsulphonyl benzene sulfonate 3wt% and nanometer polytetrafluoroethylcomposite 2wt%, is taken by weight ratio, make to mix, obtained Compositional type halogen-free flame retardants, then at 80 DEG C ~ 85 DEG C dry 30 ~ 45 minutes, stand-by;

(3), dry PTT and PPE will be taken by weight ratio, and add in high-speed mixer, add in high-speed mixer simultaneously and take the obtained compound halogen-free flame retardants of step (2) by weight ratio, stir 1 ~ 3 minute, then the compatilizer, nucleator, oxidation inhibitor and the lubricant that take by weight ratio is added, make to stir 3 ~ 15 minutes together, evenly rear discharging to be mixed;

(4), the compound of step (3) is added in twin screw extruder, extrudes through melting mixing at 210 DEG C ~ 280 DEG C temperature, cooling granulation, drying, obtain a kind of halogen-free flameproof PTT/PPE matrix material of the present invention.

The invention has the beneficial effects as follows, the present invention, having PTT and PPE concurrently separately while advantage, also has excellent halogen-free flameproof effect and good dimensional stability, and preparation process is simple, and production cost is low.

Embodiment

Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.

Embodiment 1:

A kind of halogen-free flameproof PTT/PPE matrix material, its component by mass percent proportioning is: PTT 60%, PPE 25%, halogen-free flame retardants 10%, styrene-acrylonitrile-methacrylic sour water glyceryl ester 4%, nucleator 0.2%, oxidation inhibitor 0.3%, pentaerythritol stearate 0.5%, wherein, described PTT is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.5dL/g, described PPE is the polyphenylene oxide of limiting viscosity 0.4 ~ 0.6dL/g, described halogen-free flame retardants is by polyphenylene phosphonic acids sulfobenzide ester 75wt%, nano imvite 20wt%, potassium phenylsulphonyl benzene sulfonate 3wt% and nanometer polytetrafluoroethylcomposite 2wt% mixes obtained Compositional type halogen-free flame retardants, described nucleator is the nanomete talc powder of mass ratio 8:1:1, the compound of Sodium Benzoate and polyoxyethylene glycol, described oxidation inhibitor is the Hinered phenols antioxidant 1010 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.

Preparation method: (1), PTT and PPE be placed in separately respectively the drying about 6 ~ 8 hours at 110 DEG C ~ 120 DEG C temperature of forced air circulation baking oven, stand-by; (2) polyphenylene phosphonic acids sulfobenzide ester 75wt%, nano imvite 20wt%, potassium phenylsulphonyl benzene sulfonate 3wt% and nanometer polytetrafluoroethylcomposite 2wt%, is taken by weight ratio, make to mix, obtained Compositional type halogen-free flame retardants, then at 80 DEG C ~ 85 DEG C dry 30 ~ 45 minutes, stand-by; (3), dry PTT and PPE will be taken by weight ratio, and add in high-speed mixer, add in high-speed mixer simultaneously and take the obtained compound halogen-free flame retardants of step (2) by weight ratio, stir 1 ~ 3 minute, then the styrene-acrylonitrile that takes by weight ratio-methacrylic sour water glyceryl ester, nucleator, oxidation inhibitor and pentaerythritol stearate is added, make to stir 3 ~ 15 minutes together, evenly rear discharging to be mixed; (4), the compound of step (3) is added in twin screw extruder, extrudes through melting mixing at 210 DEG C ~ 280 DEG C temperature, cooling granulation, drying, obtain a kind of halogen-free flameproof PTT/PPE matrix material of the present invention.

Embodiment 2:

A kind of halogen-free flameproof PTT/PPE matrix material, its component by mass percent proportioning is: PTT 75%, PPE 15%, halogen-free flame retardants 5%, styrene-acrylonitrile-methacrylic sour water glyceryl ester 4%, nucleator 0.3%, oxidation inhibitor 0.1%, pentaerythritol stearate 0.6%, wherein, described PTT is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.5dL/g, described PPE is the polyphenylene oxide of limiting viscosity 0.4 ~ 0.6dL/g, described halogen-free flame retardants is by polyphenylene phosphonic acids sulfobenzide ester 75wt%, nano imvite 20wt%, potassium phenylsulphonyl benzene sulfonate 3wt% and nanometer polytetrafluoroethylcomposite 2wt% mixes obtained Compositional type halogen-free flame retardants, described nucleator is the nanomete talc powder of mass ratio 8:1:1, the compound of Sodium Benzoate and polyoxyethylene glycol, described oxidation inhibitor is the Hinered phenols antioxidant 1010 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.

Preparation method: (1), PTT and PPE be placed in separately respectively the drying about 6 ~ 8 hours at 110 DEG C ~ 120 DEG C temperature of forced air circulation baking oven, stand-by; (2) polyphenylene phosphonic acids sulfobenzide ester 75wt%, nano imvite 20wt%, potassium phenylsulphonyl benzene sulfonate 3wt% and nanometer polytetrafluoroethylcomposite 2wt%, is taken by weight ratio, make to mix, obtained Compositional type halogen-free flame retardants, then at 80 DEG C ~ 85 DEG C dry 30 ~ 45 minutes, stand-by; (3), dry PTT and PPE will be taken by weight ratio, and add in high-speed mixer, add in high-speed mixer simultaneously and take the obtained compound halogen-free flame retardants of step (2) by weight ratio, stir 1 ~ 3 minute, then the styrene-acrylonitrile that takes by weight ratio-methacrylic sour water glyceryl ester, nucleator, oxidation inhibitor and pentaerythritol stearate is added, make to stir 3 ~ 15 minutes together, evenly rear discharging to be mixed; (4), the compound of step (3) is added in twin screw extruder, extrudes through melting mixing at 210 DEG C ~ 280 DEG C temperature, cooling granulation, drying, obtain a kind of halogen-free flameproof PTT/PPE matrix material of the present invention.

Claims (7)

1. a halogen-free flameproof PTT/PPE matrix material, it is characterized in that, its component by mass percent proportioning is: PTT 50% ~ 85%, PPE 10% ~ 40%, halogen-free flame retardants 5% ~ 10%, compatilizer 2% ~ 6%, nucleator 0.1% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.

2. a kind of halogen-free flameproof PTT/PPE matrix material according to claim 1; it is characterized in that, described halogen-free flame retardants mixes obtained Compositional type halogen-free flame retardants by polyphenylene phosphonic acids sulfobenzide ester 75wt%, nano imvite 20wt%, potassium phenylsulphonyl benzene sulfonate 3wt% and nanometer polytetrafluoroethylcomposite 2wt%.

3. a kind of halogen-free flameproof PTT/PPE matrix material according to claim 1, is characterized in that, described compatilizer is styrene-acrylonitrile-methacrylic sour water glyceryl ester.

4. a kind of halogen-free flameproof PTT/PPE matrix material according to claim 1, is characterized in that, described nucleator is the compound of the nanomete talc powder of mass ratio 8:1:1, Sodium Benzoate and polyoxyethylene glycol.

5. a kind of halogen-free flameproof PTT/PPE matrix material according to claim 1, is characterized in that, described oxidation inhibitor is the Hinered phenols antioxidant 1010 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.

6. a kind of halogen-free flameproof PTT/PPE matrix material according to claim 1, is characterized in that, described lubricant is the one in pentaerythritol stearate, silicone powder, modification ethylene bis stearamide.

7. the preparation method of a kind of halogen-free flameproof PTT/PPE matrix material according to claim 1, is characterized in that, comprise the following steps:

(1) drying about 6 ~ 8 hours at 110 DEG C ~ 120 DEG C temperature of forced air circulation baking oven, by PTT and PPE is placed in separately respectively, stand-by;

(2) polyphenylene phosphonic acids sulfobenzide ester 75wt%, nano imvite 20wt%, potassium phenylsulphonyl benzene sulfonate 3wt% and nanometer polytetrafluoroethylcomposite 2wt%, is taken by weight ratio, make to mix, obtained Compositional type halogen-free flame retardants, then at 80 DEG C ~ 85 DEG C dry 30 ~ 45 minutes, stand-by;

(3), dry PTT and PPE will be taken by weight ratio, and add in high-speed mixer, add in high-speed mixer simultaneously and take the obtained compound halogen-free flame retardants of step (2) by weight ratio, stir 1 ~ 3 minute, then the compatilizer, nucleator, oxidation inhibitor and the lubricant that take by weight ratio is added, make to stir 3 ~ 15 minutes together, evenly rear discharging to be mixed;

(4), the compound of step (3) is added in twin screw extruder, extrudes through melting mixing at 210 DEG C ~ 280 DEG C temperature, cooling granulation, drying, obtain a kind of halogen-free flameproof PTT/PPE matrix material of the present invention.