CN104861499A - PTT/TPEE/inorganic particle composite material - Google Patents

Abstract

The invention discloses a PTT/TPEE/inorganic particle composite material. The PTT/TPEE/inorganic particle composite material comprises the following ingredients, by weight, 50%-80% of PTT, 5%-25% of TPEE, 5%-15% of inorganic particles, 3%-8% of flexibilizer, 2%-4% of compatilizers, 0.1%-0.5% of coupling agents, 0.1%-0.5% of anti-oxidants and 0.1%-1% of lubricants. The inorganic particles are heavy calcium carbonate with a particle size of being less than 5 micrometers. The flexibilizer is one selected from metacrylic acid ester-acrylic acid ester copolymers, methyl methacrylate-butadiene-styrene ternary graft copolymers and maleic anhydride-grafting-ethylene-octylene copolymers. The beneficial effects are that the composite material has excellent mechanical properties and processing performance, the impact resistance is good, the heat resistance is high, the dimension is stable, and the cost is low.

Description

A kind of matrix material of PTT/TPEE/ inorganic particulate

Technical field

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

Background technology

Poly(Trimethylene Terephthalate) (PTT), as a kind of new polyester macromolecular material of excellent combination property, has been widely used in the fields such as fiber, film, engineering plastics at present, but is used alone PTT and there is the problems such as flame retardant resistance is bad, intensity is not high.In PTT, adopt elastic body toughening can increase substantially the shock resistance of material, but also cause the intensity of material, rigidity, thermotolerance and processing characteristics significantly to decline simultaneously, cost is also high simultaneously; In PTT, adopt Rigid Particles Toughened to show toughen and intensify simultaneously under certain condition, but the increase rate of toughness is limited.Adopt in PTT elastomerics and inorganic particle blended have well collaboratively to strengthen, increase firm effect.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.

Summary of the invention

The object of the present invention is to provide the matrix material of a kind of good mechanical performance and the good PTT/TPEE/ inorganic particulate of processibility.

The technical solution adopted for the present invention to solve the technical problems is: a kind of matrix material of PTT/TPEE/ inorganic particulate, and its component by mass percent proportioning is: PTT 50% ~ 80%, TPEE 5% ~ 25%, inorganic particulate 5% ~ 15%, toughner 3% ~ 8%, compatilizer 2% ~ 4%, 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.

Described inorganic particulate is the water-ground limestone that particle diameter is less than 5 μm.

Described toughner is the one in Methylacrylate-Acrylate Copolymer, MBS ternary graft copolymer, maleic anhydride grafted ethene-octene copolymer.

Described compatilizer is poly-hexanodioic acid isobutyl diester.

Described coupling agent is aluminium titanium composite coupler.

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 pentaerythritol stearate.

The preparation method of the matrix material of above-mentioned a kind of PTT/TPEE/ inorganic particulate, 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, stand-by;

(2) take 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), taking dry PTT by weight ratio adds in high-speed mixer, add the TPEE, toughner, compatilizer, oxidation inhibitor and the lubricant that take by weight ratio simultaneously, and add the product that step (2) obtains, make to stir 3 ~ 15 minutes together, discharging after fully mixing;

(4), the compound of step (3) is added in twin screw extruder, extrudes after melt blending at 210 DEG C ~ 280 DEG C, cooling granulation, then dry, obtain the matrix material of a kind of PTT/TPEE/ inorganic particulate of the present invention.

The invention has the beneficial effects as follows, the present invention has excellent mechanical property and processing characteristics, and good impact resistance, and thermotolerance is high, dimensional stabilizing, and cost is low.

Embodiment

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

Embodiment 1:

A kind of matrix material of PTT/TPEE/ inorganic particulate, its component by mass percent proportioning is: PTT 51%, TPEE 25%, particle diameter are less than water-ground limestone 12%, the Methylacrylate-Acrylate Copolymer 8% of 5 μm, gather hexanodioic acid isobutyl diester 3%, aluminium titanium composite coupler 0.2%, antioxidant 1010 0.2%, pentaerythritol stearate 0.6%, described PTT is Poly(Trimethylene Terephthalate), and described TPEE is thermoplastics type's polyethers fat.

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, stand-by; (2) water-ground limestone and aluminium titanium composite coupler that particle diameter is less than 5 μm, is taken 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), taking dry PTT by weight ratio adds in high-speed mixer, add simultaneously take by weight ratio TPEE, Methylacrylate-Acrylate Copolymer, poly-hexanodioic acid isobutyl diester, antioxidant 1010, pentaerythritol stearate, and add the product that step (2) obtains, make to stir 3 ~ 15 minutes together, discharging after fully mixing; (4), the compound of step (3) is added in twin screw extruder, extrudes after melt blending at 210 DEG C ~ 280 DEG C, cooling granulation, then dry, obtain the matrix material of a kind of PTT/TPEE/ inorganic particulate of the present invention.

Embodiment 2:

A kind of matrix material of PTT/TPEE/ inorganic particulate, its component by mass percent proportioning is: PTT 67%, TPEE 15%, particle diameter be less than 5 μm water-ground limestone 10%, MBS ternary graft copolymer 5%, poly-hexanodioic acid isobutyl diester 2.5%, aluminium titanium composite coupler 0.1%, antioxidant 1076 and irgasfos 168 compound 0.1%, pentaerythritol stearate 0.3%, described PTT is Poly(Trimethylene Terephthalate), and described TPEE is thermoplastics type's polyethers fat.

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, stand-by; (2) water-ground limestone and aluminium titanium composite coupler that particle diameter is less than 5 μm, is taken 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), taking dry PTT by weight ratio adds in high-speed mixer, add simultaneously take by weight ratio TPEE, MBS ternary graft copolymer, poly-hexanodioic acid isobutyl diester, antioxidant 1076 and irgasfos 168 compound, pentaerythritol stearate, and add the product that step (2) obtains, make to stir 3 ~ 15 minutes together, discharging after fully mixing; (4), the compound of step (3) is added in twin screw extruder, extrudes after melt blending at 210 DEG C ~ 280 DEG C, cooling granulation, then dry, obtain the matrix material of a kind of PTT/TPEE/ inorganic particulate of the present invention.

Claims (5)

1. the matrix material of a PTT/TPEE/ inorganic particulate, it is characterized in that, its component by mass percent proportioning is: PTT 50% ~ 80%, TPEE 5% ~ 25%, inorganic particulate 5% ~ 15%, toughner 3% ~ 8%, compatilizer 2% ~ 4%, coupling agent 0.1% ~ 0.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.

2. the matrix material of a kind of PTT/TPEE/ inorganic particulate according to claim 1, is characterized in that, described inorganic particulate is the water-ground limestone that particle diameter is less than 5 μm.

3. the matrix material of a kind of PTT/TPEE/ inorganic particulate according to claim 1, it is characterized in that, described toughner is the one in Methylacrylate-Acrylate Copolymer, MBS ternary graft copolymer, maleic anhydride grafted ethene-octene copolymer.

4. the matrix material of a kind of PTT/TPEE/ inorganic particulate according to claim 1, is characterized in that, described compatilizer is poly-hexanodioic acid isobutyl diester.

5. the preparation method of the matrix material of a kind of PTT/TPEE/ inorganic particulate according to claim 1, is characterized in that, comprise 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, stand-by;

(2) take 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), taking dry PTT by weight ratio adds in high-speed mixer, add the TPEE, toughner, compatilizer, oxidation inhibitor and the lubricant that take by weight ratio simultaneously, and add the product that step (2) obtains, make to stir 3 ~ 15 minutes together, discharging after fully mixing;

(4), the compound of step (3) is added in twin screw extruder, extrudes after melt blending at 210 DEG C ~ 280 DEG C, cooling granulation, then dry, obtain the matrix material of a kind of PTT/TPEE/ inorganic particulate of the present invention.