CN105462055A - Reinforced PP/recycled PET bottle flake alloy for vehicle fan wind wheels, and preparation method thereof - Google Patents
Reinforced PP/recycled PET bottle flake alloy for vehicle fan wind wheels, and preparation method thereof Download PDFInfo
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- CN105462055A CN105462055A CN201410390969.4A CN201410390969A CN105462055A CN 105462055 A CN105462055 A CN 105462055A CN 201410390969 A CN201410390969 A CN 201410390969A CN 105462055 A CN105462055 A CN 105462055A
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Abstract
The present invention relates to the technical field of polymer materials, particularly to an alloy composite material and a preparation method thereof. The reinforced PP/recycled PET bottle flake alloy comprises the following raw materials by weight: 100 parts of PP, 10-30 parts of recycled PET bottle flakes, 25-35 parts of alkali-free glass fibers, 12-16 parts of a toughening agent, 0.2-0.4 part of a heat-resistant agent, 1-15 parts of a compatibilizing agent, 0.1-1 part of an antioxidant, and 0.1-1 part of a lubricant. According to the present invention, the raw materials are used to prepare the alloy composite material according to a certain ratio, such that the compatibility problem of PP and recycled PET is solved, the interfacial tension between the two materials in the PP and recycled PET system is reduced, the interfacial width is increased, the system forms the thermodynamically stable phase state structure having the uniform macroscopic phase and microscopic phase separation system characteristics, and the composite material maintains good mechanical properties.
Description
Technical field
The present invention relates to technical field of polymer materials, particularly relate to a kind of alloy composite materials and preparation method thereof.
Background technology
Polyethylene terephthalate (PET), not only because the excellent and cheap price of the over-all propertieies such as its chemistry, physical properties is except being widely used in fiber applications, in beverage bottle, its usage quantity is also quite large.Along with PET is in the widespread use of edible liquid flexible packaging industry, bring the recovery problem of a large amount of waste and old beverage bottle.Along with PET consumption increases gradually, the amount that PET bottle reclaims also increases gradually.According to statistics, the average recovery utilization rate of PET bottle is 20.4%, and the high country of recovery utilization rate is as Switzerland, Germany and Japanese etc. be respectively 100%, 49% and 46%, and China is only 1.7%.The PET bottle sheet major part reclaimed is " degradation utilizes ", is used for producing low-grade fiber, film and non-edible packing bottle etc.; And " upgrading utilize " only accounts for about 8.4% as high performance engineering plastics.The bottle sheet of recycled PET is mainly used in the spinning of the staple fibre of some low-grade polyester (PET).So, for the bottle sheet of recycled PET, need the field and the product that further expand its application, improve its added value of product.
Automobile fan wind wheel adopts glass fiber enhanced nylon to prepare usually, in order to reduce costs, improve the competitive power of product, more and more producer considers to adopt fiberglass reinforced PP to be prepared at present, but because common fiberglass reinforced PP is more and more difficult to heat-resisting, a series of requirement such as high strength, high dynamical balance feature that meet automobile fan wind wheel, therefore its application in this field receives certain restriction again.
Summary of the invention
The object of the invention is to, provide a kind of automobile fan wind wheel to strengthen PP/ recycled PET bottles sheet alloy, to solve the problems of the technologies described above.
Another object of the present invention is to, provide a kind of automobile fan wind wheel to strengthen the preparation method of PP/ recycled PET bottles sheet alloy, to solve the problems of the technologies described above.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of automobile fan wind wheel, with strengthening PP/ recycled PET bottles sheet alloy, comprises the raw material composition of following parts by weight:
The raw material composition of the following parts by weight of preferred employing:
The present invention adopts the raw material of said ratio to make alloy composite materials, solve the compatible problem of PP and recycled PET, reduction interfacial tension is played in PP and recycled PET system, increase interfacial thickness, make System forming have the Thermodynamically stable phase structure of even macroscopic micron-scale phase separation architectural feature, make the mechanical property that matrix material keeps good.
Described PP is high-crystallinity homopolymerization PP, and its modulus in flexure is 2000MPa-2500MPa, preferred 2200MPa-2500MPa.Generally usually adopt the PP of 1200MPa-1400MPa modulus in flexure in prior art, modulus in flexure and the flexural strength of the matrix material using common PP to prepare are all lower, when with the addition of recycled PET bottles sheet, service requirements can not be met, because raw material starting point is just low.And the present invention uses the PP of 2000MPa-2500MPa modulus in flexure to carry out the preparation of matrix material, then the flexural strength of matrix material and modulus in flexure all want high, and wherein modulus in flexure wants high 1500MPa-2000MPa.Therefore the present invention adopts high-crystallinity homopolymerization PP to have very low vapor permeability, and has excellent resistance to water soak, antiacid caustic corrosion, resist dissolution.
The intrinsic viscosity of described recycled PET bottles sheet is 0.68dl/g-0.88dl/g, preferred 0.78dl/g-0.88dl/g.Adopt the recycled PET bottles sheet of above-mentioned intrinsic viscosity, easily process, strength ratio is higher.
Described alkali free glass fibre preferably adopts floride-free alkali free glass fibre, and described alkali free glass fibre is long fine or short fiber, preferred short fiber; The diameter of described short fiber is 10 microns-15 microns, preferably 12 microns-14 microns, more preferably 13 microns.The diameter of short fiber has larger impact to the dispersiveness of matrix material and mechanical property, and the diameter of general short fiber is less, and the overall performance of material is better.The matrix material not only good dispersity of diameter prepared by the short fiber of 10 microns-15 microns is selected in the present invention, and its good mechanical performance, its strength ratio simple glass fiber height 30%-50%.
Described toughner is POE-MAH graft copolymer, and the content of the maleic anhydride in described POE-MAH graft copolymer is the 0.8%-1.5% of described POE-MAH graft copolymer, preferred 1.0%-1.5%.
Described heat-resistant agent is fragrant acyl compounds, and described fragrant acyl compounds can adopt N, N '-dicyclohexyl-Isosorbide-5-Nitrae-terephthaloyl amine, N, N '-dicyclohexyl-2,6-naphthalene diamide etc., the outward appearance of fragrant acyl compounds is white powder, its fusing point is large >=and 300 DEG C.
Described compatilizer is PP-MAH graft copolymer, and the content of the maleic anhydride in described PP-MAH graft copolymer is the 0.8%-1.5% of described PP-MAH graft copolymer, preferred 1.0%-1.5%.
Described oxidation inhibitor is antioxidant 1010 and anti-oxidant DLTP, and both ratios are 1:1-1:2, preferred 1:1.50-1:2.Thus ensure processing characteristics and the appearance requirement of matrix material, adapt to different service requirementss.
Described lubricant is selected from least one in talcum powder, calcium stearate, silicone master batch.
Automobile fan wind wheel strengthens a preparation method for PP/ recycled PET bottles sheet alloy, comprises the steps:
1) recycled PET bottles sheet is carried out drying;
2) in proportion that PP, recycled PET bottles sheet, toughner, heat-resistant agent, compatilizer, oxidation inhibitor and mix lubricant is even, make compound;
3) compound is added in twin screw extruder by the main spout of twin screw extruder, while melt extruding, be metered into alkali free glass fibre from side drawing-in device to melt extrude, extruded material, after cooling, air-dry, pelletizing, drying, obtains the matrix material of automobile fan wind wheel of the present invention enhancing PP/ recycled PET bottles sheet alloy.
Step 1) in, the drying of described recycled PET bottles sheet carries out drying in vacuum drying oven; Preferably be divided into two stages to carry out drying, wherein the first stage is dry 3h-5h under the condition of temperature 75 DEG C-80 DEG C, preferred 3.5h-4.5h; Subordinate phase is dry 4h-10h under the condition of temperature 120 DEG C-140 DEG C, preferred 4h-6h.
Step 2) in, raw material mixing time is mixing 5 minutes-10 minutes, makes compound.
Step 3) in, the temperature setting range of described twin screw extruder is 230 DEG C-265 DEG C, and screw speed is 200rpm-500rpm, and vacuum tightness is-0.6Kgf/cm
2-1.0Kgf/cm
2.
Described twin screw extruder adopts seven district's temperature to regulate, and the temperature in each district is respectively:
One district's temperature: 230 DEG C ~ 235 DEG C,
Two district's temperature: 235 DEG C ~ 240 DEG C,
Three district's temperature: 240 DEG C ~ 245 DEG C,
Four district's temperature: 245 DEG C ~ 250 DEG C,
Five district's temperature: 250 DEG C ~ 255 DEG C,
Six district's temperature: 255 DEG C ~ 260 DEG C,
Seven district's temperature: 260 DEG C ~ 265 DEG C.
Beneficial effect: compared with prior art, tool of the present invention has the following advantages:
(1) automobile fan wind wheel provided by the present invention strengthens the matrix material of PP/ recycled PET bottles sheet alloy, not only achieve the high value added utilization again of recycled PET bottles sheet, and expand the range of application of recycled PET bottles sheet, and reduce the cost of automobile fan wind wheel matrix material, halogen-free environmental, low-carbon (LC), can be widely used in the preparations such as electronic component.
(2) automobile fan wind wheel provided by the present invention strengthens the matrix material of PP/ recycled PET bottles sheet alloy, mechanical property is good, and thermotolerance is high, and tensile strength reaches 90MPa-120MPa, flexural strength can reach 140MPa-200MPa, and notched Izod impact strength can reach 7KJ/m
2-10KJ/m
2, thermal change type temperature (HDT) reaches more than 152 DEG C.Alloy composite materials of the present invention can compare favourably with the mechanical property of existing automobile fan wind wheel alloy composite materials.
(3) automobile fan wind wheel provided by the present invention strengthens the preparation method of PP/ recycled PET bottles sheet alloy, and compound process and the course of processing simply, are easy to processing preparation.
Embodiment
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, setting forth the present invention further below.
A kind of automobile fan wind wheel, with strengthening PP/ recycled PET bottles sheet alloy, comprises the raw material composition of following parts by weight: PP100 weight part, recycled PET bottles sheet 10-30 weight part, alkali free glass fibre 25-35 weight part, toughner 12-16 weight part, heat-resistant agent 0.2-0.4 weight part, compatilizer 1-15 weight part, oxidation inhibitor 0.1-1 weight part, lubricant 0.1-1 weight part.
In above-mentioned raw materials, PP is high-crystallinity homopolymerization PP, and its modulus in flexure is 2000MPa-2500MPa, preferred 2200MPa-2500MPa.The intrinsic viscosity of recycled PET bottles sheet is 0.68dl/g-0.88dl/g, preferred 0.78dl/g-0.88dl/g.Alkali free glass fibre preferably adopts floride-free alkali free glass fibre, and alkali free glass fibre is long fine or short fiber, preferred short fiber; The diameter of short fiber is 10 microns-15 microns, preferably 12 microns-14 microns, more preferably 13 microns.Toughner is POE-MAH graft copolymer, and the content of the maleic anhydride in POE-MAH graft copolymer is the 0.8%-1.5% of POE-MAH graft copolymer, preferred 1.0%-1.5%.Heat-resistant agent is fragrant acyl compounds, as N, N '-dicyclohexyl-Isosorbide-5-Nitrae-terephthaloyl amine, N, N '-dicyclohexyl-2,6-naphthalene diamide, its outward appearance is white powder, its fusing point is large >=and 300 DEG C.Compatilizer is PP-MAH graft copolymer, and the content of the maleic anhydride in PP-MAH graft copolymer is the 0.8%-1.5% of PP-MAH graft copolymer, preferred 1.0%-1.5%.Oxidation inhibitor is antioxidant 1010 and anti-oxidant DLTP, and both ratios are 1:1-1:2, preferred 1:1.50-1:2.Lubricant is selected from least one in talcum powder, calcium stearate, silicone master batch.
Automobile fan wind wheel strengthens a preparation method for PP/ recycled PET bottles sheet alloy, comprises the steps:
1) recycled PET bottles sheet is carried out drying in vacuum drying oven.Preferably be divided into two stages to carry out drying, wherein the first stage is dry 3h-5h under the condition of temperature 75 DEG C-80 DEG C, preferred 3.5h-4.5h; Subordinate phase is dry 4h-10h under the condition of temperature 120 DEG C-140 DEG C, preferred 4h-6h.
2) in proportion by PP, recycled PET bottles sheet, toughner, heat-resistant agent, compatilizer, oxidation inhibitor and mix lubricant 5 minutes-10 minutes, compound is made.
3) compound is added in twin screw extruder by the main spout of twin screw extruder, while melt extruding, be metered into alkali free glass fibre from side drawing-in device to melt extrude, extruded material, after cooling, air-dry, pelletizing, drying, obtains the matrix material of automobile fan wind wheel of the present invention enhancing PP/ recycled PET bottles sheet alloy.
The temperature setting range of twin screw extruder is 230 DEG C-265 DEG C, and screw speed is 200rpm-500rpm, and vacuum tightness is-0.6Kgf/cm
2-1.0Kgf/cm
2.Twin screw extruder adopts seven district's temperature to regulate, the temperature in each district is respectively: district's temperature: 230 DEG C ~ 235 DEG C, two district's temperature: 235 DEG C ~ 240 DEG C, three district's temperature: 240 DEG C ~ 245 DEG C, four district's temperature: 245 DEG C ~ 250 DEG C, five district's temperature: 250 DEG C ~ 255 DEG C, six district's temperature: 255 DEG C ~ 260 DEG C, seven district's temperature: 260 DEG C ~ 265 DEG C.
Embodiment 1:
Automobile fan wind wheel of the present invention strengthens the matrix material of PP/ recycled PET bottles sheet alloy, and its composition is as shown in table 1:
Table 1: unit (kg)
Wherein, PP modulus in flexure reaches 2400MPa;
The intrinsic viscosity of recycled PET bottles sheet is 0.68dl/g;
Alkali-free floride-free glass fibre is for long fine;
Toughner is POE-MAH graft copolymer, and wherein the content of maleic anhydride accounts for 0.9% of POE-MAH graft copolymer.
Compatilizer is PP-MAH graft copolymer, and wherein the content of maleic anhydride accounts for 0.9% of PP-MAH graft copolymer.
Heat-resistant agent is fragrant acyl compounds N, N '-dicyclohexyl-2,6-naphthalene diamide;
Oxidation inhibitor is antioxidant 1010 and anti-oxidant DLTP, and both ratios are 1:1;
Lubricant is talcum powder (2500 order).
Embodiment 2:
Automobile fan wind wheel of the present invention strengthens the matrix material of PP/ recycled PET bottles sheet alloy, and its composition is as shown in table 2:
Table 2: unit (kg)
Wherein, PP modulus in flexure reaches 2400MPa;
The intrinsic viscosity of recycled PET bottles sheet is 0.68dl/g;
Alkali-free floride-free glass fibre is short fiber, diameter 13 microns, length 4.5mm;
Toughner is POE-MAH graft copolymer, and wherein the content of maleic anhydride accounts for 0.8% of POE-MAH graft copolymer.
Compatilizer is PP-MAH graft copolymer, and wherein the content of maleic anhydride accounts for 1.0% of PP-MAH graft copolymer.
Heat-resistant agent is fragrant acyl compounds N, N '-dicyclohexyl-2,6-naphthalene diamide;
Oxidation inhibitor is antioxidant 1010 and anti-oxidant DLTP, and both ratios are 1:1;
Lubricant is talcum powder (2500 order).
Embodiment 3:
The raw material that existing automobile fan wind wheel nylon material adopts usually is composed as follows:
Nylon66 fiber: 100 parts; Glass: 30 parts; Toughner POE-MAH:5%; Oxidation inhibitor 1098:0.20 part; Lubricate EBS: 0.50 part.
The preparation method of the matrix material of embodiment 1-2 is:
1) recycled PET bottles sheet is carried out drying in vacuum drying oven, be divided into two stages to carry out drying, the first stage is dry 3h under the condition of temperature 80 DEG C; Subordinate phase is dry 6h under the condition of temperature 125 DEG C;
2) in proportion that PP, recycled PET bottles sheet, toughner, heat-resistant agent, compatilizer, oxidation inhibitor and mix lubricant is even, make compound, mixing time is mixing 10 minutes;
3) compound is added in twin screw extruder by the main spout of twin screw extruder, while melt extruding, be metered into alkali-free glass fiber from side drawing-in device to melt extrude, extruded material, after cooling, air-dry, pelletizing, drying, obtains of the present invention matrix material.
The screw speed of twin screw extruder is 300rpm, and vacuum tightness is-0.6Kgf/cm
2, the temperature in each district of twin screw extruder is:
One district's temperature: 235 DEG C,
Two district's temperature: 240 DEG C,
Three district's temperature: 245 DEG C,
Four district's temperature: 250 DEG C,
Five district's temperature: 255 DEG C,
Six district's temperature: 260 DEG C,
Seven district's temperature: 265 DEG C.
The preparation process condition of embodiment 3 is identical with the preparation method of the matrix material of embodiment 1-2, and the physicals of the alloy composite materials of the present invention prepared, existing automobile fan wind wheel nylon material is as shown in the table:
Table 3:
As seen from the above table, the automobile fan wind wheel adopting material combination of the present invention and preparation method to make strengthens the matrix material of PP/ recycled PET bottles sheet alloy, and mechanical property is good, and tensile strength can reach more than 90MPa, have flexural strength high, thermotolerance height waits remarkable advantage.Realize the object suitable with the physicals of existing automobile fan wind wheel nylon material.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (10)
1. automobile fan wind wheel is with strengthening a PP/ recycled PET bottles sheet alloy, it is characterized in that, comprises the raw material composition of following parts by weight:
2. a kind of automobile fan wind wheel according to claim 1 strengthens PP/ recycled PET bottles sheet alloy, and it is characterized in that, described PP is high-crystallinity homopolymerization PP, and its modulus in flexure is 2000MPa-2500MPa.
3. a kind of automobile fan wind wheel according to claim 1 strengthens PP/ recycled PET bottles sheet alloy, and it is characterized in that, the intrinsic viscosity of described recycled PET bottles sheet is 0.68dl/g-0.88dl/g.
4. a kind of automobile fan wind wheel according to claim 1 strengthens PP/ recycled PET bottles sheet alloy, and it is characterized in that, described alkali free glass fibre adopts floride-free alkali free glass fibre, and described alkali free glass fibre is long fine or short fiber.
5. a kind of automobile fan wind wheel according to claim 1 strengthens PP/ recycled PET bottles sheet alloy, it is characterized in that, described toughner is POE-MAH graft copolymer, and the content of the maleic anhydride in described POE-MAH graft copolymer is the 0.8%-1.5% of described POE-MAH graft copolymer;
Described compatilizer is PP-MAH graft copolymer, and the content of the maleic anhydride in described PP-MAH graft copolymer is the 0.8%-1.5% of described PP-MAH graft copolymer;
Described oxidation inhibitor is antioxidant 1010 and anti-oxidant DLTP, and both ratios are 1:1-1:2;
Described lubricant is selected from least one in talcum powder, calcium stearate, silicone master batch.
6. a kind of automobile fan wind wheel according to claim 1 strengthens PP/ recycled PET bottles sheet alloy, and it is characterized in that, described heat-resistant agent is fragrant acyl compounds, described fragrant acyl compounds adopts N, N '-dicyclohexyl-Isosorbide-5-Nitrae-terephthaloyl amine or N, N '-dicyclohexyl-2,6-naphthalene diamide.
7. a kind of automobile fan wind wheel prepared in claim 1 to 6 described in any one strengthens the preparation method of PP/ recycled PET bottles sheet alloy, it is characterized in that, comprises the steps:
1) recycled PET bottles sheet is carried out drying;
2) in proportion that PP, recycled PET bottles sheet, toughner, heat-resistant agent, compatilizer, oxidation inhibitor and mix lubricant is even, make compound;
3) compound is added in twin screw extruder by the main spout of twin screw extruder, while melt extruding, be metered into alkali free glass fibre from side drawing-in device to melt extrude, extruded material, after cooling, air-dry, pelletizing, drying, obtains the matrix material of automobile fan wind wheel enhancing PP/ recycled PET bottles sheet alloy.
8. a kind of automobile fan wind wheel according to claim 7 strengthens the preparation method of PP/ recycled PET bottles sheet alloy, it is characterized in that, step 1) in, the drying of described recycled PET bottles sheet carries out drying in vacuum drying oven; Be divided into two stages to carry out drying, wherein the first stage is dry 3h-5h under the condition of temperature 75 DEG C-80 DEG C; Subordinate phase is dry 4h-10h under the condition of temperature 120 DEG C-140 DEG C.
9. a kind of automobile fan wind wheel according to claim 7 strengthens the preparation method of PP/ recycled PET bottles sheet alloy, it is characterized in that, step 3) in, the temperature setting range of described twin screw extruder is 230 DEG C-265 DEG C, screw speed is 200rpm-500rpm, and vacuum tightness is-0.6Kgf/cm
2-1.0Kgf/cm
2.
10. a kind of automobile fan wind wheel according to claim 9 strengthens the preparation method of PP/ recycled PET bottles sheet alloy, it is characterized in that, described twin screw extruder adopts seven district's temperature to regulate, and the temperature in each district is respectively:
One district's temperature: 230 DEG C ~ 235 DEG C,
Two district's temperature: 235 DEG C ~ 240 DEG C,
Three district's temperature: 240 DEG C ~ 245 DEG C,
Four district's temperature: 245 DEG C ~ 250 DEG C,
Five district's temperature: 250 DEG C ~ 255 DEG C,
Six district's temperature: 255 DEG C ~ 260 DEG C,
Seven district's temperature: 260 DEG C ~ 265 DEG C.
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|---|---|---|---|
| CN201410390969.4A CN105462055A (en) | 2014-08-11 | 2014-08-11 | Reinforced PP/recycled PET bottle flake alloy for vehicle fan wind wheels, and preparation method thereof |
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|---|---|---|---|
| CN201410390969.4A CN105462055A (en) | 2014-08-11 | 2014-08-11 | Reinforced PP/recycled PET bottle flake alloy for vehicle fan wind wheels, and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108676249A (en) * | 2018-04-27 | 2018-10-19 | 句容市百事特复合材料有限公司 | A kind of Long Glass Fiber Reinforced PP Composite and preparation method thereof |
| CN115678166A (en) * | 2022-12-07 | 2023-02-03 | 浙江明江新材料科技股份有限公司 | Fiber-reinforced polypropylene composite material and preparation method thereof |
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| CN103709674A (en) * | 2012-09-30 | 2014-04-09 | 青岛欣展塑胶有限公司 | PET/PP alloy material and preparation method thereof |
| CN103911682A (en) * | 2014-03-25 | 2014-07-09 | 杭州瑞晟实业有限公司 | High-strength polypropylene (PP)/polyethylene glycol terephthalate (PET) alloy fiber and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101845205A (en) * | 2010-06-08 | 2010-09-29 | 从化市聚赛龙工程塑料有限公司 | Halogen-free fire-resistant engineering plastics using waste PET bottle chips as raw material and preparation method thereof |
| CN103709674A (en) * | 2012-09-30 | 2014-04-09 | 青岛欣展塑胶有限公司 | PET/PP alloy material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108676249A (en) * | 2018-04-27 | 2018-10-19 | 句容市百事特复合材料有限公司 | A kind of Long Glass Fiber Reinforced PP Composite and preparation method thereof |
| CN115678166A (en) * | 2022-12-07 | 2023-02-03 | 浙江明江新材料科技股份有限公司 | Fiber-reinforced polypropylene composite material and preparation method thereof |
| CN115678166B (en) * | 2022-12-07 | 2024-03-12 | 浙江明江新材料科技股份有限公司 | Fiber reinforced polypropylene composite material and preparation method thereof |
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Application publication date: 20160406 |