CN104845085A - PET/PTT alloy stuffed and modified by nanometer bamboo carbon - Google Patents

Abstract

The invention discloses a PET/PTT alloy stuffed and modified by nanometer bamboo carbon. The PET/PTT alloy comprises the following components in percentage by weight: 45%-66% of PET, 20%-30% of PTT, 2%-5% of E-MA-GMA, 5%-10% of nanometer bamboo carbon, 5%-8% of a flexibilizer, 0.5%-1% of a nucleator, 0.1%-0.5% of an antioxidant and 0.1%-1% of a lubricant, wherein the flexibilizer is POE-g-GMA. The PET/PTT alloy disclosed by the invention has the benefits that the PET/PTT alloy has the respective original advantages of the PET and the PTT, and besides, the PET/PTT alloy is stuffed and modified by the nanometer bamboo carbon, so that the disinfecting and ultraviolet resistant properties are greatly improved, the mechanical property and the heat resistant property are improved, and the application effect and the application field of the PET/PTT are promoted.

Description

A kind of PET/PTT alloy filling-modified with nano-bamboo carbon

Technical field

The present invention relates to technical field of polymer materials, specifically a kind of PET/PTT alloy filling-modified with nano-bamboo carbon.

Background technology

PET(polyethylene terephthalate)/PTT(Poly(Trimethylene Terephthalate)) be a kind of novel plastic alloy material, it has excellent physicochemical property and processing characteristics, and cost is low, thus will have a good application prospect in fields such as automobile, electric, fibers.Especially in fiber art, PET/PTT combines PET and PTT advantage separately in performance, and has the performances such as excellent forming process, shock resistance, high temperature heat-resistant are aging, chemical-resistant resistance.Along with the progress of society, the requirement of people to the comfortableness of textile fibres, health, security and the feature of environmental protection is also more and more higher, has the favor that good antibacterial, environmental protection and functional textiles are subject to consumers in general day by day.Therefore it is necessary for carrying out antibacterial modified to PET/PTT.Nano-bamboo carbon is fired by bamboo to form, due to nano-bamboo carbon have carbonaceous densification, than great, hole is many, content of mineral substances is abundant, containing the material that potassium, magnesium, iron, manganese, calcium, zirconium etc. are useful to human body, and specific surface area is large, has the functions such as stronger adsorptive power, antibacterial and deodorizing, moisture absorption, drying and good electroconductibility, ultraviolet-resistent property.Therefore, will good antibacterial be had with nano-bamboo carbon filling-modified PE T/PTT alloy, and people can be met to environmental protection and healthy requirement, there is very high practical value and application prospect.

Summary of the invention

The object of the present invention is to provide a kind of PET/PTT alloy filling-modified with nano-bamboo carbon with excellent antibacterial ultraviolet-resistannanofiber performance.

The technical solution adopted for the present invention to solve the technical problems is: a kind of PET/PTT alloy filling-modified with nano-bamboo carbon, and its component by mass percent proportioning is: PET 45% ~ 66%, PTT 20% ~ 30%, E-MA-GMA 2% ~ 5%, nano-bamboo carbon 5% ~ 10%, toughner 5% ~ 8%, nucleator 0.5% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.

Described PET is polyethylene terephthalate.

Described PTT is Poly(Trimethylene Terephthalate).

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

Described nano-bamboo carbon be surface through nano-titanium dioxide modified process and particle diameter at the bamboo carbon powder body of 20 ~ 80nm.

Described toughner is glycidyl methacrylate graft ethylene-octene copolymer POE-g-GMA.

Described nucleator is the one in nano silicon, nano imvite, sodium bicarbonate, Sodium Benzoate, ethylene-methyl methacrylate sodium ion polymkeric substance.

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 the one in pentaerythritol stearate, silicone powder, modification ethylene bis-fatty acid amides.

The preparation method of above-mentioned a kind of filling-modified with nano-bamboo carbon PET/PTT alloy, 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 nano-bamboo carbon, toughner, 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 dry, i.e. a kind of nano-bamboo carbon PTT composite master batch;

(3), taking dry PET by weight ratio adds in super mixer, add the nano-bamboo carbon PTT composite master batch that step (2) obtains again, and add E-MA-GMA and nucleator 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 a kind of PET/PTT alloy filling-modified with nano-bamboo carbon of the present invention.

The invention has the beneficial effects as follows, the present invention have PET, PTT separately former advantageous while, also will substantially increase sterilization uvioresistant performance so that nano-bamboo carbon is filling-modified, and improve mechanical property and resistance toheat, 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 PET/PTT alloy filling-modified with nano-bamboo carbon, its component by mass percent proportioning is: PET 45%, PTT 30%, E-MA-GMA 5%, nano-bamboo carbon 10%, POE-g-GMA 8%, nano silicon 1%, oxidation inhibitor 0.5%, pentaerythritol stearate 0.5%, described nano-bamboo carbon be surface through nano-titanium dioxide modified process and particle diameter at the bamboo carbon powder body of 20 ~ 80nm, 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, stand-by; (2), taking dry PTT by weight ratio adds in super mixer, and add nano-bamboo carbon, POE-g-GMA, oxidation inhibitor, pentaerythritol 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 dry, i.e. a kind of nano-bamboo carbon PTT composite master batch; (3), taking dry PET by weight ratio adds in super mixer, add the nano-bamboo carbon PTT composite master batch that step (2) obtains again, and add E-MA-GMA and nano silicon 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 a kind of PET/PTT alloy filling-modified with nano-bamboo carbon of the present invention.

Embodiment 2:

A kind of PET/PTT alloy filling-modified with nano-bamboo carbon, its component by mass percent proportioning is: PET 66%, PTT 20%, E-MA-GMA 3%, nano-bamboo carbon 5%, POE-g-GMA 5%, Sodium Benzoate 0.5%, oxidation inhibitor 0.1%, silicone powder 0.4%, described nano-bamboo carbon be surface through nano-titanium dioxide modified process and particle diameter at the bamboo carbon powder body of 20 ~ 80nm, 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, stand-by; (2), taking dry PTT by weight ratio adds in super mixer, and add nano-bamboo carbon, POE-g-GMA, oxidation inhibitor, silicone powder by weight ratio, make to be mixed together 3 ~ 5 minutes, after fully mixing, discharging adds twin screw extruder and melt extrudes pelletizing and dry, i.e. a kind of nano-bamboo carbon PTT composite master batch; (3), taking dry PET by weight ratio adds in super mixer, add the nano-bamboo carbon PTT composite master batch that step (2) obtains again, and add E-MA-GMA and Sodium Benzoate 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 a kind of PET/PTT alloy filling-modified with nano-bamboo carbon of the present invention.

Claims (7)

1. one kind with the filling-modified PET/PTT alloy of nano-bamboo carbon, it is characterized in that, its component by mass percent proportioning is: PET 45% ~ 66%, PTT 20% ~ 30%, E-MA-GMA 2% ~ 5%, nano-bamboo carbon 5% ~ 10%, toughner 5% ~ 8%, nucleator 0.5% ~ 1%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.

2. a kind of PET/PTT alloy filling-modified with nano-bamboo carbon according to claim 1, is characterized in that, described nano-bamboo carbon be surface through nano-titanium dioxide modified process and particle diameter at the bamboo carbon powder body of 20 ~ 80nm.

3. a kind of PET/PTT alloy filling-modified with nano-bamboo carbon according to claim 1, it is characterized in that, described toughner is POE-g-GMA.

4. a kind of PET/PTT alloy filling-modified with nano-bamboo carbon according to claim 1, it is characterized in that, described nucleator is the one in nano silicon, nano imvite, sodium bicarbonate, Sodium Benzoate, ethylene-methyl methacrylate sodium ion polymkeric substance.

5. a kind of PET/PTT alloy filling-modified with nano-bamboo carbon 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.

6. a kind of PET/PTT alloy filling-modified with nano-bamboo carbon according to claim 1, is characterized in that, described lubricant is the one in pentaerythritol stearate, silicone powder, modification ethylene bis-fatty acid amides.

7. the preparation method of a kind of PET/PTT alloy filling-modified with nano-bamboo carbon 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 nano-bamboo carbon, toughner, 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 dry, i.e. a kind of nano-bamboo carbon PTT composite master batch;

(3), taking dry PET by weight ratio adds in super mixer, add the nano-bamboo carbon PTT composite master batch that step (2) obtains again, and add E-MA-GMA and nucleator 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 a kind of PET/PTT alloy filling-modified with nano-bamboo carbon of the present invention.