CN104861542A - Inorganic particle enhanced PTT/TPEE composite material - Google Patents

Abstract

The invention discloses an inorganic particle enhanced PTT/TPEE composite material. The composite material comprises the following ingredients, by weight, 50%-85% of PTT, 5%-25% of TPEE, 2%-5% of poly(diisobutyl adipate), 5%-25% of inorganic particles, 0.5%-2% of light stabilizing agents, 0.1%-0.5% of coupling agents, 0.1%-0.5% of anti-oxidants and 0.1%-1% of lubricants. The inorganic particles are one selected from heavy calcium carbonate, fumed silica, talcum powder, calcium oxide, aluminium hydroxide and magnesium hydroxide. The beneficial effects are that the composite material has excellent mechanical properties, heat resistance and corrosion resistance, the ageing resistance is good, the preparation technology is simple, the production cost is low, and popularization is easy.

Description

A kind of inorganic particulate strengthens PTT/TPEE matrix material

Technical field

The present invention relates to technical field of polymer materials, specifically a kind of inorganic particulate strengthens PTT/TPEE matrix material.

Background technology

Poly(Trimethylene Terephthalate) (PTT) is as a kind of new polyester macromolecular material of excellent combination property, be widely used in the fields such as fiber, film, engineering plastics at present, but be used alone PTT and there is the problem that intensity is not high, thermostability is bad, ageing resistance is not strong.Polyether ester (TPEE) is polybutylene terephthalate-polyethylene oxide-poly(propylene oxide) thermoplastic elastomer, it is the segmented copolymer obtained by copolycondensation by dimethyl terephthalate (DMT), butyleneglycol, polyethylene oxide glycol and/or polypropylene oxide glycol, there is the elasticity of rubber and the intensity of engineering plastics, and with rubber phase than having better processing characteristics and longer work-ing life, there is the high feature of same intensity compared with engineering material, and snappiness and dynamic properties better.Therefore, by blended for PTT and the TPEE advantage that better can play both, play complementary action, there is good practical value and application prospect.

Summary of the invention

A kind of inorganic particulate is the object of the present invention is to provide to strengthen PTT/TPEE matrix material.

The technical solution adopted for the present invention to solve the technical problems is: a kind of inorganic particulate strengthens PTT/TPEE matrix material, and its component by mass percent proportioning is: PTT 50% ~ 85%, TPEE 5% ~ 25%, poly-hexanodioic acid isobutyl diester 2% ~ 5%, inorganic particulate 5% ~ 25%, photostabilizer 0.5% ~ 2%, coupling agent 0.1% ~ 0.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.

Described PTT is Poly(Trimethylene Terephthalate).

Described TPEE is thermoplastics type's polyethers fat.

One in the water-ground limestone that described inorganic particulate is particle diameter between 10nm ~ 20 μm, aerosil, talcum powder, calcium oxide, aluminium hydroxide, magnesium hydroxide.

Described photostabilizer is the compound of hindered amines high molecular photostabilizer GW-944Z and the GW-622 of mass ratio 1:1.

Described coupling agent is titanate coupling agent or aluminium titanium composite coupler.

Described oxidation inhibitor is the hindered phenol antioxygen 1076 of mass ratio 1:1 and the compound of phosphite antioxidant 168.

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

Above-mentioned a kind of inorganic particulate strengthens the preparation method of PTT/TPEE 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 is placed in, inorganic particulate at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by;

(2) take dry inorganic particulate and coupling agent, by weight ratio, add a material temperature degree in the high-speed mixer of 80 DEG C ~ 120 DEG C, after rotating speed 3000 ~ 4500 revs/min stirs 10 ~ 45 minutes, be cooled to lower than 40 DEG C of dischargings stand-by;

(3), add in high-speed mixer by taking dry PTT by weight ratio, in high-speed mixer, add the TPEE taken by weight ratio, poly-hexanodioic acid isobutyl diester, photostabilizer, oxidation inhibitor and lubricant simultaneously, and add the product of step (2), 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 220 DEG C ~ 280 DEG C temperature, cooling granulation, drying, obtain a kind of inorganic particulate of the present invention and strengthen PTT/TPEE matrix material.

The invention has the beneficial effects as follows, the present invention has excellent mechanical property and heat-and corrosion-resistant performance, and ageing resistance is good, and preparation technology is simple, and production cost is low, is easy to promote.

Embodiment

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

Embodiment 1:

A kind of inorganic particulate strengthens PTT/TPEE matrix material, its component by mass percent proportioning is: PTT 60%, TPEE 20%, poly-hexanodioic acid isobutyl diester 3%, inorganic particulate 15%, photostabilizer 1%, aluminium titanium composite coupler 0.1%, oxidation inhibitor 0.3%, pentaerythritol stearate 0.6%, described PTT is Poly(Trimethylene Terephthalate), described TPEE is thermoplastics type's polyethers fat, the water-ground limestone that described inorganic particulate is particle diameter between 10nm ~ 20 μm, described photostabilizer is the compound of hindered amines high molecular photostabilizer GW-944Z and the GW-622 of mass ratio 1:1, described oxidation inhibitor is the hindered phenol antioxygen 1076 of mass ratio 1:1 and the compound of phosphite antioxidant 168.

Preparation method: (1), PTT is placed in the drying about 6 ~ 8 hours at 110 DEG C ~ 120 DEG C temperature of forced air circulation baking oven, inorganic particulate at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by; (2) take dry inorganic particulate and aluminium titanium composite coupler, by weight ratio, add a material temperature degree in the high-speed mixer of 80 DEG C ~ 120 DEG C, after rotating speed 3000 ~ 4500 revs/min stirs 10 ~ 45 minutes, be cooled to lower than 40 DEG C of dischargings stand-by; (3), add in high-speed mixer by taking dry PTT by weight ratio, in high-speed mixer, add the TPEE taken by weight ratio, poly-hexanodioic acid isobutyl diester, photostabilizer, oxidation inhibitor and pentaerythritol stearate simultaneously, and add the product of step (2), 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 220 DEG C ~ 280 DEG C temperature, cooling granulation, drying, obtain a kind of inorganic particulate of the present invention and strengthen PTT/TPEE matrix material.

Embodiment 2:

A kind of inorganic particulate strengthens PTT/TPEE matrix material, its component by mass percent proportioning is: PTT 74%, TPEE 15%, poly-hexanodioic acid isobutyl diester 2%, inorganic particulate 8%, photostabilizer 0.5%, titanate coupling agent 0.1%, oxidation inhibitor 0.1%, modification ethylene bis stearamide 0.3%, described PTT is Poly(Trimethylene Terephthalate), described TPEE is thermoplastics type's polyethers fat, the magnesium hydroxide that described inorganic particulate is particle diameter between 10nm ~ 20 μm, described photostabilizer is the compound of hindered amines high molecular photostabilizer GW-944Z and the GW-622 of mass ratio 1:1, described oxidation inhibitor is the hindered phenol antioxygen 1076 of mass ratio 1:1 and the compound of phosphite antioxidant 168.

Preparation method: (1), PTT is placed in the drying about 6 ~ 8 hours at 110 DEG C ~ 120 DEG C temperature of forced air circulation baking oven, inorganic particulate at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by; (2) take dry inorganic particulate and titanate coupling agent, by weight ratio, add a material temperature degree in the high-speed mixer of 80 DEG C ~ 120 DEG C, after rotating speed 3000 ~ 4500 revs/min stirs 10 ~ 45 minutes, be cooled to lower than 40 DEG C of dischargings stand-by; (3), add in high-speed mixer by taking dry PTT by weight ratio, in high-speed mixer, add the TPEE taken by weight ratio, poly-hexanodioic acid isobutyl diester, photostabilizer, oxidation inhibitor and modification ethylene bis stearamide simultaneously, and add the product of step (2), 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 220 DEG C ~ 280 DEG C temperature, cooling granulation, drying, obtain a kind of inorganic particulate of the present invention and strengthen PTT/TPEE matrix material.

Claims (7)

1. an inorganic particulate strengthens PTT/TPEE matrix material, it is characterized in that, its component by mass percent proportioning is: PTT 50% ~ 85%, TPEE 5% ~ 25%, poly-hexanodioic acid isobutyl diester 2% ~ 5%, inorganic particulate 5% ~ 25%, photostabilizer 0.5% ~ 2%, coupling agent 0.1% ~ 0.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.

2. a kind of inorganic particulate according to claim 1 strengthens PTT/TPEE matrix material, it is characterized in that, the one in the water-ground limestone that described inorganic particulate is particle diameter between 10nm ~ 20 μm, aerosil, talcum powder, calcium oxide, aluminium hydroxide, magnesium hydroxide.

3. a kind of inorganic particulate according to claim 1 strengthens PTT/TPEE matrix material, and it is characterized in that, described photostabilizer is the compound of hindered amines high molecular photostabilizer GW-944Z and the GW-622 of mass ratio 1:1.

4. a kind of inorganic particulate according to claim 1 strengthens PTT/TPEE matrix material, and it is characterized in that, described coupling agent is titanate coupling agent or aluminium titanium composite coupler.

5. a kind of inorganic particulate according to claim 1 strengthens PTT/TPEE matrix material, it is characterized in that, described oxidation inhibitor is the hindered phenol antioxygen 1076 of mass ratio 1:1 and the compound of phosphite antioxidant 168.

6. a kind of inorganic particulate according to claim 1 strengthens PTT/TPEE matrix material, and it is characterized in that, described lubricant is the one in pentaerythritol stearate, silicone powder, modification ethylene bis stearamide.

7. a kind of inorganic particulate according to claim 1 strengthens the preparation method of PTT/TPEE matrix material, it is characterized in that, 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 is placed in, inorganic particulate at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by;

(2) take dry inorganic particulate and coupling agent, by weight ratio, add a material temperature degree in the high-speed mixer of 80 DEG C ~ 120 DEG C, after rotating speed 3000 ~ 4500 revs/min stirs 10 ~ 45 minutes, be cooled to lower than 40 DEG C of dischargings stand-by;

(3), add in high-speed mixer by taking dry PTT by weight ratio, in high-speed mixer, add the TPEE taken by weight ratio, poly-hexanodioic acid isobutyl diester, photostabilizer, oxidation inhibitor and lubricant simultaneously, and add the product of step (2), 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 220 DEG C ~ 280 DEG C temperature, cooling granulation, drying, obtain a kind of inorganic particulate of the present invention and strengthen PTT/TPEE matrix material.