CN104845111A - Toughened polyethylene terephthalate alloy material - Google Patents

Abstract

The invention discloses a toughened polyethylene terephthalate alloy material. The material comprises the following components by weight: 30% to 70% of PET, 15% to 30% of PTT, 5% to 15% of modified wollastonite, 5% to 10% of MBS, 2% to 5% of SMA, 0.5% to 2% of a light stabilizer, 0.1% to 1% of a nucleating agent, 0.1% to 1% of a sulfonate flame retardant, 0.1% to 0.5% of an antioxidant and 0.1% to 1% of a lubricant, wherein the nucleating agent is a compound of nanometer silica and sodium benzoate with a mass ratio of 4: 1. The invention has the following beneficial effects: the toughened polyethylene terephthalate alloy material has the advantages of excellent toughening, reinforcing and aging resistant effects, good flame retardant performance, strong chemical resistance, wide adaptability, low cost and convenient industrial production, populization and application.

Description

A kind of toughened polymer ethylene glycol terephthalate alloy material

Technical field

The present invention relates to technical field of polymer materials, specifically a kind of toughened polymer ethylene glycol terephthalate alloy material.

Background technology

Polyethylene terephthalate (PET) a kind ofly has higher melt temperature and the crystalline polymer of second-order transition temperature, excellent physicals and mechanical property is kept in certain temperature range, its resistance to fatigue, rub resistance, ageing resistance, electrical insulating property feature are very outstanding, to most of organic solvent and acid more stable, production energy consumption is lower, is thus widely used in the fields such as synthon, film and engineering plastics; But because PET rigidity is comparatively forced toughness of material is poor, crystallization velocity is comparatively slow, the shortcomings such as the high and shaping cycle of forming mould temperature is long, greatly limit its range of application.Poly(Trimethylene Terephthalate) (PTT) is that a kind of crystallization velocity is fast, happy and harmonious temperature and the lower crystalline polymer of second-order transition temperature, there is excellent especially flexibility, elastic recovery, the stability feature of processing characteristics, electric property, mechanical property and size.By the polyblend of blended for PET and PTT preparation, performance can be learnt from other's strong points to offset one's weaknesses, make to remain PET, PTT advantage separately, and will there is very high practical value in the fields such as automobile, electronic apparatus, household electrical appliances, fiber.

Summary of the invention

The object of the present invention is to provide a kind of take Poly(Trimethylene Terephthalate) as the toughened polymer ethylene glycol terephthalate alloy material of matrix.

The technical solution adopted for the present invention to solve the technical problems is: a kind of toughened polymer ethylene glycol terephthalate alloy material, and its component by mass percent proportioning is: PET 30% ~ 70%, PTT 15% ~ 30%, modified grammite 5% ~ 15%, MBS 5% ~ 10%, SMA 2% ~ 5%, photostabilizer 0.5% ~ 2%, nucleator 0.1% ~ 1%, sulfonate salt flame 0.1% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.

The polyethylene terephthalate of described PET to be intrinsic viscosity be 0.6 ~ 1.2dL/g.

Described PTT is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.2dL/g.

Described modified grammite is that surface is through aluminium titanium composite coupler process and the wollastonite of mean length 10 ~ 500 μm, mean diameter 3 ~ 30 μm and length-to-diameter ratio 3 ~ 100.

Described MBS is the MBS with nucleocapsid structure.

Described SMA is atactic styrene-maleic anhydride copolymer.

Described photostabilizer is ESCALOL 567 or Octabenzone.

Described nucleator is the nano silicon of mass ratio 4:1 and the compound of Sodium Benzoate.

Described sulfonate salt flame is perfluorobutyl potassium.

Described oxidation inhibitor is the Hinered phenols antioxidant 1010 or 1076 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.

Described lubricant is pentaerythritol stearate.

The preparation method of above-mentioned a kind of toughened polymer ethylene glycol terephthalate alloy material, comprises the following steps:

(1), by PET and PTT in forced air circulation baking oven at 110 DEG C ~ 120 DEG C temperature dry 6 ~ 8 hours, modified grammite at 80 DEG C ~ 120 DEG C temperature dry 30 ~ 45 minutes, stand-by;

(2) PTT and the modified grammite that, take drying by weight ratio add in super mixer, add MBS, photostabilizer, sulfonate salt flame, oxidation inhibitor, lubricant by weight ratio simultaneously, make to be mixed together 3 ~ 15 minutes, after fully mixing, discharging add twin screw extruder melt extrude pelletizing and dry after stand-by;

(3), taking dry PET by weight ratio adds in super mixer, add the product that step (2) obtains again, and add SMA and nucleator by weight ratio, make to be mixed together 3 ~ 15 minutes, after fully mixing, discharging adds in twin screw extruder, through melting mixing, extruding pelletization at 210 DEG C ~ 280 DEG C temperature, obtains a kind of toughened polymer ethylene glycol terephthalate alloy material of the present invention.

The invention has the beneficial effects as follows, the present invention has excellent toughened and reinforced and antiageing effect, and flame retardant properties is good, and chemical resistant properties is strong, wide adaptability, and cost is low, is convenient to suitability for industrialized production and applies.

Embodiment

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

Embodiment 1:

A kind of toughened polymer ethylene glycol terephthalate alloy material, its component by mass percent proportioning is: PET 37%, PTT 30%, modified grammite 15%, MBS 10%, SMA 5%, ESCALOL 567 1%, nucleator 1%, perfluorobutyl potassium 0.1%, oxidation inhibitor 0.2%, pentaerythritol stearate 0.7%, the polyethylene terephthalate of described PET to be intrinsic viscosity be 0.6 ~ 1.2dL/g, described PTT is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.2dL/g, described modified grammite is that surface is through aluminium titanium composite coupler process, and mean length 10 ~ 500 μm, the wollastonite of mean diameter 3 ~ 30 μm and length-to-diameter ratio 3 ~ 100, described nucleator is the nano silicon of mass ratio 4:1 and the compound of Sodium Benzoate, 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), by PET and PTT in forced air circulation baking oven at 110 DEG C ~ 120 DEG C temperature dry 6 ~ 8 hours, modified grammite at 80 DEG C ~ 120 DEG C temperature dry 30 ~ 45 minutes, stand-by; (2) PTT and the modified grammite that, take drying by weight ratio add in super mixer, add MBS, ESCALOL 567, perfluorobutyl potassium, oxidation inhibitor, pentaerythritol stearate by weight ratio simultaneously, make to be mixed together 3 ~ 15 minutes, after fully mixing, discharging add twin screw extruder melt extrude pelletizing and dry after stand-by; (3), taking dry PET by weight ratio adds in super mixer, add the product that step (2) obtains again, and add SMA and nucleator by weight ratio, make to be mixed together 3 ~ 15 minutes, after fully mixing, discharging adds in twin screw extruder, through melting mixing, extruding pelletization at 210 DEG C ~ 280 DEG C temperature, obtains a kind of toughened polymer ethylene glycol terephthalate alloy material of the present invention.

Embodiment 2:

A kind of toughened polymer ethylene glycol terephthalate alloy material, its component by mass percent proportioning is: PET 64%, PTT 15%, modified grammite 10%, MBS 5%, SMA 3%, Octabenzone 2%, nucleator 0.5%, perfluorobutyl potassium 0.1%, oxidation inhibitor 0.1%, pentaerythritol stearate 0.3%, the polyethylene terephthalate of described PET to be intrinsic viscosity be 0.6 ~ 1.2dL/g, described PTT is the Poly(Trimethylene Terephthalate) of limiting viscosity 0.7 ~ 1.2dL/g, described modified grammite is that surface is through aluminium titanium composite coupler process, and mean length 10 ~ 500 μm, the wollastonite of mean diameter 3 ~ 30 μm and length-to-diameter ratio 3 ~ 100, described nucleator is the nano silicon of mass ratio 4:1 and the compound of Sodium Benzoate, described oxidation inhibitor is the Hinered phenols antioxidant 1076 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.

Preparation method: (1), by PET and PTT in forced air circulation baking oven at 110 DEG C ~ 120 DEG C temperature dry 6 ~ 8 hours, modified grammite at 80 DEG C ~ 120 DEG C temperature dry 30 ~ 45 minutes, stand-by; (2) PTT and the modified grammite that, take drying by weight ratio add in super mixer, add MBS, Octabenzone, perfluorobutyl potassium, oxidation inhibitor, pentaerythritol stearate by weight ratio simultaneously, make to be mixed together 3 ~ 15 minutes, after fully mixing, discharging add twin screw extruder melt extrude pelletizing and dry after stand-by; (3), taking dry PET by weight ratio adds in super mixer, add the product that step (2) obtains again, and add SMA and nucleator by weight ratio, make to be mixed together 3 ~ 15 minutes, after fully mixing, discharging adds in twin screw extruder, through melting mixing, extruding pelletization at 210 DEG C ~ 280 DEG C temperature, obtains a kind of toughened polymer ethylene glycol terephthalate alloy material of the present invention.

Claims (8)

1. a toughened polymer ethylene glycol terephthalate alloy material, it is characterized in that, its component by mass percent proportioning is: PET 30% ~ 70%, PTT 15% ~ 30%, modified grammite 5% ~ 15%, MBS 5% ~ 10%, SMA 2% ~ 5%, photostabilizer 0.5% ~ 2%, nucleator 0.1% ~ 1%, sulfonate salt flame 0.1% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.

2. a kind of toughened polymer ethylene glycol terephthalate alloy material according to claim 1, it is characterized in that, described modified grammite is that surface is through aluminium titanium composite coupler process and the wollastonite of mean length 10 ~ 500 μm, mean diameter 3 ~ 30 μm and length-to-diameter ratio 3 ~ 100.

3. a kind of toughened polymer ethylene glycol terephthalate alloy material according to claim 1, it is characterized in that, described photostabilizer is ESCALOL 567 or Octabenzone.

4. a kind of toughened polymer ethylene glycol terephthalate alloy material according to claim 1, is characterized in that, described nucleator is the nano silicon of mass ratio 4:1 and the compound of Sodium Benzoate.

5. a kind of toughened polymer ethylene glycol terephthalate alloy material according to claim 1, it is characterized in that, described sulfonate salt flame is perfluorobutyl potassium.

6. a kind of toughened polymer ethylene glycol terephthalate alloy material according to claim 1, is characterized in that, described oxidation inhibitor is the Hinered phenols antioxidant 1010 or 1076 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.

7. a kind of toughened polymer ethylene glycol terephthalate alloy material according to claim 1, it is characterized in that, described lubricant is pentaerythritol stearate.

8. the preparation method of a kind of toughened polymer ethylene glycol terephthalate alloy material according to claim 1, is characterized in that, comprise the following steps:

(1), by PET and PTT in forced air circulation baking oven at 110 DEG C ~ 120 DEG C temperature dry 6 ~ 8 hours, modified grammite at 80 DEG C ~ 120 DEG C temperature dry 30 ~ 45 minutes, stand-by;

(2) PTT and the modified grammite that, take drying by weight ratio add in super mixer, add MBS, photostabilizer, sulfonate salt flame, oxidation inhibitor, lubricant by weight ratio simultaneously, make to be mixed together 3 ~ 15 minutes, after fully mixing, discharging add twin screw extruder melt extrude pelletizing and dry after stand-by;

(3), taking dry PET by weight ratio adds in super mixer, add the product that step (2) obtains again, and add SMA and nucleator by weight ratio, make to be mixed together 3 ~ 15 minutes, after fully mixing, discharging adds in twin screw extruder, through melting mixing, extruding pelletization at 210 DEG C ~ 280 DEG C temperature, obtains a kind of toughened polymer ethylene glycol terephthalate alloy material of the present invention.