CN104419143A - High-tenacity antistatic flame retardant PET/ABS composite material - Google Patents

Abstract

The invention discloses a high-tenacity antistatic flame retardant PET/ABS composite material which comprises the following components by mass percent: 20-70% of PET, 15-40% of ABS, 8-15% of flexibilizer, 5-12% of antistatic agent, 12-20% of compound flame retardant, 1-5% of compatilizer, 0.1-2% of lubricant, 0.1-1% of antioxidant and 0-1% of pigment. Compared with the prior part, the prepared high-tenacity antistatic flame retardant PET/ABS composite material has the advantages of excellent mechanical property, good tenacity, high strength, strong wear resistance, chemical medicine resistance and corrosion resistance, good processing property, stable size, high flame retardant efficiency, good antistatic property (the surface resistance can be up to 109-1011 ohm.m), good electric property and low cost.

Description

High tenacity anti-electrostatic fire retardant PET/ABS matrix material

Technical field

The present invention relates to technical field of polymer materials, specifically a kind of high tenacity anti-electrostatic fire retardant PET/ABS matrix material.

Background technology

Polyethylene terephthalate (PET) has the premium propertiess such as wear resistance, thermotolerance, electrical insulating property and chemical proofing, be widely used in synthesis polyster fibre and thin film fabrication, civilian blowing, machinery, electronics, automobile, electrical equipment manufacture and the consumer's goods can also be used for as engineering plastics.But due to the second-order transition temperature of PET and fusing point higher, usually adopting, the crystallization velocity under molding temperature is slower, and reduce with the increase of molecular resin amount and crystalline texture uneven, product surface is coarse, low in glossiness, impelling strength are also bad, thus hinders PET application in some aspects.Therefore, toughening modifying, accelerate PET crystallization velocity, thus improve processing characteristics and improve shock strength and just become PET as the key of engineering plastics.Acrylonitrile-butadiene-styrene copolymer (ABS) is a kind of engineering plastics of excellence, it has excellent impact resistance and electric property, and there is good tint permanence, glossiness, oil-proofness, chemical resistance and resistance to low temperature, price is also more cheap.PET and ABS is blended, a kind of performance complement and excellent performance and inexpensive engineering plastics can be obtained.But PET/ABS material also exists impelling strength deficiency, antistatic property is bad, flame retardant resistance is not high shortcoming, limit its application in some field.

Summary of the invention

The object of the present invention is to provide a kind of high tenacity anti-electrostatic fire retardant PET/ABS matrix material.

The technical solution adopted for the present invention to solve the technical problems is: high tenacity anti-electrostatic fire retardant PET/ABS matrix material, and its component by mass percent proportioning is: PET 20% ~ 70%, ABS 15% ~ 40%, toughner 8% ~ 15%, static inhibitor 5% ~ 12%, compound flame redundant 12% ~ 20%, compatilizer 1% ~ 5%, lubricant 0.1% ~ 2%, oxidation inhibitor 0.1% ~ 1%, colorant 0 ~ 1%.

Described PET is polyethylene terephthalate.

Described ABS is acrylonitrile-butadiene-styrene terpolymer, and the mass percent of its acrylonitrile content is 20% ~ 50%.

Described toughner is maleic anhydride graft macromolecular elastomer, the one in preferred TPU-g-MAH, SBR-g-MAH, NBR-g-MAH, EPDM-g-MAH, POE-g-MAH.

Described static inhibitor is commercially available HBS-510 static inhibitor or HDC-102 static inhibitor.

The ternary complex that described compound flame redundant is made up of brominated triguaiacyl phosphate (TDBPPE) 50wt%, trimeric cyanamide 25% and nano imvite 25%.

Described compatilizer is ethylene-methyl acrylate-glyceryl methacrylate terpolymer (E-MA-GMA).

Described lubricant is ethylene bis stearic amide.

Described oxidation inhibitor is the compound of hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168.

The preparation method of above-mentioned high tenacity anti-electrostatic fire retardant PET/ABS matrix material, comprises the following steps:

(1) by PET at 120 DEG C ~ 130 DEG C dry 4 ~ 6 hours, ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, stand-by;

(2) take brominated triguaiacyl phosphate (TDBPPE) 50wt%, trimeric cyanamide 25% and nano imvite 25% by weight ratio, make to mix, obtained compound flame redundant, then at 80 DEG C ~ 100 DEG C dry 30 ~ 45 minutes, stand-by;

(3) dry PET and ABS is taken by important proportioning, add in high-speed mixer and mix 1 ~ 3 minute, and then add the toughner, static inhibitor, compound flame redundant, compatilizer, lubricant, oxidation inhibitor and the colorant that take by weight ratio, continue mixing 5 ~ 30 minutes, make fully to mix rear discharging;

(4) add in twin screw extruder by the compound of step (3), at 210 DEG C ~ 260 DEG C, through plastifying, mixing is extruded, cooling granulation, obtains high tenacity anti-electrostatic fire retardant PET/ABS matrix material of the present invention.

The invention has the beneficial effects as follows, compared with prior art, the high tenacity anti-electrostatic fire retardant PET/ABS matrix material that the present invention obtains, has excellent mechanical performance, its good toughness, intensity is high, wear-resisting, heatproof, chemical-resistant resistance and erosion resistance are strong, good processability, dimensional stabilizing, and fire-retardant efficiency is high, antistatic static stability is good, and (surface resistivity can reach 10 ⁹~ 10 ¹¹Ω m), good electric property, with low cost.

Embodiment

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

Embodiment 1:

A kind of high tenacity anti-electrostatic fire retardant PET/ABS matrix material, its component by mass percent proportioning is: compound 0.9%, the colorant 0.6% of PET 30%, ABS 27%, TPU-g-MAH 12%, HBS-510 static inhibitor 10%, compound flame redundant 15%, ethylene-methyl acrylate-glyceryl methacrylate terpolymer (E-MA-GMA) 3%, ethylene bis stearic amide 1.5%, hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168.Wherein, described PET is polyethylene terephthalate; Described ABS is acrylonitrile-butadiene-styrene terpolymer, and the mass percent of its acrylonitrile content is 20% ~ 50%; The ternary complex that described compound flame redundant is made up of brominated triguaiacyl phosphate (TDBPPE) 50wt%, trimeric cyanamide 25% and nano imvite 25%.

Preparation method: (1) is by PET at 120 DEG C ~ 130 DEG C dry 4 ~ 6 hours, ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, stand-by; (2) take brominated triguaiacyl phosphate (TDBPPE) 50wt%, trimeric cyanamide 25% and nano imvite 25% by weight ratio, make to mix, obtained compound flame redundant, then at 80 DEG C ~ 100 DEG C dry 30 ~ 45 minutes, stand-by; (3) dry PET and ABS is taken by important proportioning, add in high-speed mixer and mix 1 ~ 3 minute, and then add compound and the colorant of TPU-g-MAH, HBS-510 static inhibitor, compound flame redundant, ethylene-methyl acrylate-glyceryl methacrylate terpolymer (E-MA-GMA), ethylene bis stearic amide, hindered phenol antioxygen 1076 and the phosphite ester kind antioxidant 168 that take by weight ratio, continue mixing 5 ~ 30 minutes, make fully to mix rear discharging; (4) add in twin screw extruder by the compound of step (3), at 210 DEG C ~ 260 DEG C, through plastifying, mixing is extruded, cooling granulation, obtains high tenacity anti-electrostatic fire retardant PET/ABS matrix material of the present invention.

Embodiment 2:

A kind of high tenacity anti-electrostatic fire retardant PET/ABS matrix material, its component by mass percent proportioning is: the compound 0.8% of PET 32%, ABS 32%, POE-g-MAH 8%, HDC-102 static inhibitor 10%, compound flame redundant 12%, ethylene-methyl acrylate-glyceryl methacrylate terpolymer (E-MA-GMA) 4%, ethylene bis stearic amide 1.2%, hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168.Wherein, described PET is polyethylene terephthalate; Described ABS is acrylonitrile-butadiene-styrene terpolymer, and the mass percent of its acrylonitrile content is 20% ~ 50%; The ternary complex that described compound flame redundant is made up of brominated triguaiacyl phosphate (TDBPPE) 50wt%, trimeric cyanamide 25% and nano imvite 25%.

Preparation method: (1) is by PET at 120 DEG C ~ 130 DEG C dry 4 ~ 6 hours, ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, stand-by; (2) take brominated triguaiacyl phosphate (TDBPPE) 50wt%, trimeric cyanamide 25% and nano imvite 25% by weight ratio, make to mix, obtained compound flame redundant, then at 80 DEG C ~ 100 DEG C dry 30 ~ 45 minutes, stand-by; (3) dry PET and ABS is taken by important proportioning, add in high-speed mixer and mix 1 ~ 3 minute, and then add the compound of POE-g-MAH, HDC-102 static inhibitor, compound flame redundant, ethylene-methyl acrylate-glyceryl methacrylate terpolymer (E-MA-GMA), ethylene bis stearic amide and the hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168 taken by weight ratio, continue mixing 5 ~ 30 minutes, make fully to mix rear discharging; (4) add in twin screw extruder by the compound of step (3), at 210 DEG C ~ 260 DEG C, through plastifying, mixing is extruded, cooling granulation, obtains high tenacity anti-electrostatic fire retardant PET/ABS matrix material of the present invention.

Claims (10)

1. a high tenacity anti-electrostatic fire retardant PET/ABS matrix material, it is characterized in that, its component by mass percent proportioning is: PET 20% ~ 70%, ABS 15% ~ 40%, toughner 8% ~ 15%, static inhibitor 5% ~ 12%, compound flame redundant 12% ~ 20%, compatilizer 1% ~ 5%, lubricant 0.1% ~ 2%, oxidation inhibitor 0.1% ~ 1%, colorant 0 ~ 1%.

2. high tenacity anti-electrostatic fire retardant PET/ABS matrix material according to claim 1, it is characterized in that, described PET is polyethylene terephthalate.

3. high tenacity anti-electrostatic fire retardant PET/ABS matrix material according to claim 1, it is characterized in that, described ABS is acrylonitrile-butadiene-styrene terpolymer, and the mass percent of its acrylonitrile content is 20% ~ 50%.

4. high tenacity anti-electrostatic fire retardant PET/ABS matrix material according to claim 1, it is characterized in that, described toughner is maleic anhydride graft macromolecular elastomer, the one in preferred TPU-g-MAH, SBR-g-MAH, NBR-g-MAH, EPDM-g-MAH, POE-g-MAH.

5. high tenacity anti-electrostatic fire retardant PET/ABS matrix material according to claim 1, is characterized in that, described static inhibitor is commercially available HBS-510 static inhibitor or HDC-102 static inhibitor.

6. high tenacity anti-electrostatic fire retardant PET/ABS matrix material according to claim 1, is characterized in that, the ternary complex that described compound flame redundant is made up of brominated triguaiacyl phosphate (TDBPPE) 50wt%, trimeric cyanamide 25% and nano imvite 25%.

7. high tenacity anti-electrostatic fire retardant PET/ABS matrix material according to claim 1, is characterized in that, described compatilizer is ethylene-methyl acrylate-glyceryl methacrylate terpolymer (E-MA-GMA).

8. high tenacity anti-electrostatic fire retardant PET/ABS matrix material according to claim 1, it is characterized in that, described lubricant is ethylene bis stearic amide.

9. high tenacity anti-electrostatic fire retardant PET/ABS matrix material according to claim 1, is characterized in that, described oxidation inhibitor is the compound of hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168.

10. the preparation method of high tenacity anti-electrostatic fire retardant PET/ABS matrix material according to claim 1, is characterized in that, comprise the following steps:

(1) by PET at 120 DEG C ~ 130 DEG C dry 4 ~ 6 hours, ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, stand-by;

(2) take brominated triguaiacyl phosphate (TDBPPE) 50wt%, trimeric cyanamide 25% and nano imvite 25% by weight ratio, make to mix, obtained compound flame redundant, then at 80 DEG C ~ 100 DEG C dry 30 ~ 45 minutes, stand-by;

(3) dry PET and ABS is taken by important proportioning, add in high-speed mixer and mix 1 ~ 3 minute, and then add the toughner, static inhibitor, compound flame redundant, compatilizer, lubricant, oxidation inhibitor and the colorant that take by weight ratio, continue mixing 5 ~ 30 minutes, make fully to mix rear discharging;

(4) add in twin screw extruder by the compound of step (3), at 210 DEG C ~ 260 DEG C, through plastifying, mixing is extruded, cooling granulation, obtains high tenacity anti-electrostatic fire retardant PET/ABS matrix material of the present invention.