CN104845255A - Flame retardant modified PET/PTT material and preparation method thereof - Google Patents

Abstract

The invention discloses a flame retardant modified PET/PTT material, which comprises the following components by mass: 36%-62% of PET, 20%-30% of PTT, 2%-4% of a compatilizer, 8%-15% of a phosphate flame retardant, 2%-5% of nano-montmorillonite, 0.5%-1% of an anti-molten drop agent, 0.1%-0.5% of an antioxidant, 0.1%-1% of a lubricant, and 4%-8% of a toughening agent. The compatilizer is E-MA-GMA, the phosphate flame retardant is a compound of triphenyl phosphate and bisphenol A-bis(diphenyl phosphate) in a mass ratio of 2:3. The flame retardant modified PET/PTT material provided by the invention has the respective original advantages of PET and PTT, also significantly improves the flame retardance and mechanical properties, and enhances the application effect and application field of PET/PTT.

Description

A kind of flame-retardant modified PET/PTT material and preparation method thereof

Technical field

The present invention relates to technical field of polymer materials, specifically a kind of flame-retardant modified PET/PTT material and preparation method thereof.

Background technology

Polyethylene terephthalate (PET)/Poly(Trimethylene Terephthalate) (PTT) belongs to a kind of novel plastic material, it has excellent physicochemical property and processing characteristics, and cost is low, thus will have broad application prospects in automobile, electric, the field such as household electrical appliances, fiber.But the flame retardant properties of PET/PTT self is inadequate, can not be suitable for the Application Areas of high flame retardant well.

Summary of the invention

The object of the present invention is to provide flame-retardant modified PET/PTT material of a kind of high temperature resistant, Halogen, anti-molten drop and preparation method thereof.

The technical solution adopted for the present invention to solve the technical problems is: a kind of flame-retardant modified PET/PTT material, and its component by mass percent proportioning is: PET 36% ~ 62%, PTT 20% ~ 30%, compatilizer 2% ~ 4%, phosphate flame retardant 8% ~ 15%, nano imvite 2% ~ 5%, anti-molten drop agent 0.5% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%, toughner 4% ~ 8%.

Described PET is polyethylene terephthalate.

Described PTT is Poly(Trimethylene Terephthalate).

Described compatilizer is ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer E-MA-GMA.

Described phosphate flame retardant is the triphenylphosphate of mass ratio 2:3 and the compound of dihydroxyphenyl propane-bis-(diphenyl phosphate).

Described nano imvite is the nano imvite of surface through silane coupling agent activation treatment.

Described anti-molten drop agent is the compound of tetrafluoroethylene for mass ratio 3:1 and polyvinylidene difluoride (PVDF).

Described oxidation inhibitor is the one in the compound of antioxidant 1010, antioxidant 1076, antioxidant 1010 or antioxidant 1076 and irgasfos 168.

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

Described toughner is the one in Methacrylate-butadiene-styrene, ethylene-acrylate copolymer, acrylonitrile-acrylic acid-styrol copolymer, acrylonitrile-butadiene-styrene copolymer, acrylonitrile ethylene styrene copolymer.

The preparation method of above-mentioned a kind of flame-retardant modified PET/PTT 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, stand-by;

(2), taking dry PTT by weight ratio adds in super mixer, and add phosphate flame retardant, nano imvite, anti-molten drop agent, oxidation inhibitor, lubricant by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds twin screw extruder and melt extrudes pelletizing and after drying, namely obtain a kind of PTT composite master batch;

(3), taking dry PET by weight ratio adds in super mixer, add the PTT composite master batch that step (2) is obtained again, and add compatilizer and toughner by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds in twin screw extruder, extrudes, cooling granulation at 210 DEG C ~ 280 DEG C after melt blending, then dry, obtain the flame-retardant modified PET/PTT material of one of the present invention.

The invention has the beneficial effects as follows, the present invention have PET, PTT separately former advantageous while, also significantly improve flame retardant properties and mechanical property, improve effect and the Application Areas of PET/PTT.

Embodiment

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

Embodiment 1:

A kind of flame-retardant modified PET/PTT material, its component by mass percent proportioning is: PET 36%, PTT 30%, E-MA-GMA 4%, phosphate flame retardant 15%, nano imvite 5%, anti-molten drop agent 1%, the compound 0.5% of antioxidant 1010 and irgasfos 168, silicone powder 0.5%, Methacrylate-butadiene-styrene 8%, described phosphate flame retardant is the triphenylphosphate of mass ratio 2:3 and the compound of dihydroxyphenyl propane-bis-(diphenyl phosphate), described nano imvite is the nano imvite of surface through silane coupling agent activation treatment, described anti-molten drop agent is the compound of tetrafluoroethylene for mass ratio 3:1 and polyvinylidene difluoride (PVDF).

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, stand-by; (2), taking dry PTT by weight ratio adds in super mixer, and add compound, the silicone powder of phosphate flame retardant, nano imvite, anti-molten drop agent, antioxidant 1010 and irgasfos 168 by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds twin screw extruder and melt extrudes pelletizing and after drying, namely obtain a kind of PTT composite master batch; (3), taking dry PET by weight ratio adds in super mixer, add the PTT composite master batch that step (2) is obtained again, and add E-MA-GMA and Methacrylate-butadiene-styrene by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds in twin screw extruder, extrudes, cooling granulation at 210 DEG C ~ 280 DEG C after melt blending, then dry, obtain the flame-retardant modified PET/PTT material of one of the present invention.

Embodiment 2:

A kind of flame-retardant modified PET/PTT material, its component by mass percent proportioning is: PET 62%, PTT 20%, E-MA-GMA 3%, phosphate flame retardant 8%, nano imvite 2%, anti-molten drop agent 0.5%, antioxidant 1010 0.1%, calcium stearate 0.4%, acrylonitrile ethylene styrene copolymer 4%, described phosphate flame retardant is the triphenylphosphate of mass ratio 2:3 and the compound of dihydroxyphenyl propane-bis-(diphenyl phosphate), described nano imvite is the nano imvite of surface through silane coupling agent activation treatment, described anti-molten drop agent is the compound of tetrafluoroethylene for mass ratio 3:1 and polyvinylidene difluoride (PVDF).

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, stand-by; (2), taking dry PTT by weight ratio adds in super mixer, and add phosphate flame retardant, nano imvite, anti-molten drop agent, antioxidant 1010, calcium stearate by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds twin screw extruder and melt extrudes pelletizing and after drying, namely obtain a kind of PTT composite master batch; (3), taking dry PET by weight ratio adds in super mixer, add the PTT composite master batch that step (2) is obtained again, and add E-MA-GMA and acrylonitrile ethylene styrene copolymer by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds in twin screw extruder, extrudes, cooling granulation at 210 DEG C ~ 280 DEG C after melt blending, then dry, obtain the flame-retardant modified PET/PTT material of one of the present invention.

Claims (7)

1. a flame-retardant modified PET/PTT material, it is characterized in that, its component by mass percent proportioning is: PET 36% ~ 62%, PTT 20% ~ 30%, compatilizer 2% ~ 4%, phosphate flame retardant 8% ~ 15%, nano imvite 2% ~ 5%, anti-molten drop agent 0.5% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%, toughner 4% ~ 8%.

2. the flame-retardant modified PET/PTT material of one according to claim 1, is characterized in that, described compatilizer is E-MA-GMA.

3. the flame-retardant modified PET/PTT material of one according to claim 1, is characterized in that, described phosphate flame retardant is the triphenylphosphate of mass ratio 2:3 and the compound of dihydroxyphenyl propane-bis-(diphenyl phosphate).

4. the flame-retardant modified PET/PTT material of one according to claim 1, is characterized in that, described nano imvite is the nano imvite of surface through silane coupling agent activation treatment.

5. the flame-retardant modified PET/PTT material of one according to claim 1, is characterized in that, described anti-molten drop agent is the compound of tetrafluoroethylene for mass ratio 3:1 and polyvinylidene difluoride (PVDF).

6. the flame-retardant modified PET/PTT material of one according to claim 1, it is characterized in that, described toughner is the one in Methacrylate-butadiene-styrene, ethylene-acrylate copolymer, acrylonitrile-acrylic acid-styrol copolymer, acrylonitrile-butadiene-styrene copolymer, acrylonitrile ethylene styrene copolymer.

7. the preparation method of a kind of flame-retardant modified PET/PTT 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, stand-by;

(2), taking dry PTT by weight ratio adds in super mixer, and add phosphate flame retardant, nano imvite, anti-molten drop agent, oxidation inhibitor, lubricant by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds twin screw extruder and melt extrudes pelletizing and after drying, namely obtain a kind of PTT composite master batch;

(3), taking dry PET by weight ratio adds in super mixer, add the PTT composite master batch that step (2) is obtained again, and add compatilizer and toughner by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds in twin screw extruder, extrudes, cooling granulation at 210 DEG C ~ 280 DEG C after melt blending, then dry, obtain the flame-retardant modified PET/PTT material of one of the present invention.