CN103146106A - Formula of polymer composite material and preparation method thereof - Google Patents
Formula of polymer composite material and preparation method thereof Download PDFInfo
- Publication number
- CN103146106A CN103146106A CN2013101027473A CN201310102747A CN103146106A CN 103146106 A CN103146106 A CN 103146106A CN 2013101027473 A CN2013101027473 A CN 2013101027473A CN 201310102747 A CN201310102747 A CN 201310102747A CN 103146106 A CN103146106 A CN 103146106A
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- Prior art keywords
- abs
- pmma
- pet
- antioxidant
- preparation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
Abstract
The invention relates to blending of high polymer engineering plastics, and in particular relates to a polymethyl methacrylate (PMMA), acrylonitrile butadiene styrene (ABS) and polyethylene terephthalate (PET) composite material and a preparation method thereof, belonging to the technical field of polymer preparation. The method comprises the following steps: drying and dehydrating PMMA, ABS and PET particles, weighing materials according to the formula, mixing and adding the mixture into a twin-screw extruder, fusing, blending and pelleting, thereby obtaining the product, namely the polymer composite material. The PMMA, ABS and PET are compounded, so that the respective defects of three materials which are independently used are overcome, and the polymer composite material which is high in hardness, impact-resistant, friction-resistant, semi-transparent and low in price is provided; and moreover, the polymer composite material is simple and convenient in production process, easy to industrially produce and apply, wide in application range and low in production cost.
Description
Technical field
The present invention relates to a kind of blend of macromolecule engineering plastics, be specifically related to a kind of PMMA, ABS, PET matrix material and preparation method thereof, belong to the polymkeric substance preparing technical field.
Background technology
Polymethylmethacrylate is called for short PMMA.PMMA has the high transparency and chemical-resistant reagent, weathering resistance etc., is applied to the fields such as display panel, household electrical appliances parts, automobile component, ornament.But shock-resistance and surface hardness are all slightly poor, easily wipe flower.
Vinyl cyanide--divinyl--styrene resin is called for short ABS, is the phenylethylene terpolymer, is a kind of thermoplastics that is formed by vinylbenzene (St) and vinyl cyanide (AN), the monomer-grafted copolymerization of divinyl (Bu).ABS has good shock-resistance, chemical-resistant reagent, ease of coloring etc., is easy to machine-shaping, is applied to the fields such as household electrical appliances parts, industrial spare and accessory parts, instrument.But ABS product surface lower hardness has limited its application in some fields.
Polyethylene terephthalate is called for short PET.PET has good rub resistance and certain light transmission, and cheap, is applied to fiber, electronic apparatus device, wrapping material, thin-film material etc.But also there are the shortcomings such as crystallization rate is little, forming process is difficult, shaping cycle is long, shock strength is poor in PET.
Summary of the invention
The objective of the invention is the feature performance benefit for comprehensive PMMA, ABS and PET, and overcome as far as possible the self-defect of three kinds of polymkeric substance, a kind of have high rigidity, shock-resistant, rub resistance, the polymer composites that translucent and price is lower are provided.
According to technical scheme provided by the invention, a kind of formula of polymer composites, as follows by weight: PMMA 10-50 part; ABS 20-60 part; PET 10-30 part; Compatilizer MBS resin 2-6 part; UV light absorber 0.02-0.12 part; Antioxidant 0.02-0.12 part;
PMMA, ABS, the oven dry of PET particle are anhydrated, take material by above-mentioned formula, add twin screw extruder after mixing, carry out melting, blend and granulation, namely get the product polymer matrix material.
PMMA is that 30-50 part, ABS are that 30-50 part, PET are 20-30 part.
PMMA, ABS, PET select common commercially available prod, wherein the PMMA technical parameter: vicat softening temperature 90-110 ℃, and melting index 2-10g/10min; 90-110 ℃ of ABS vicat softening temperature, melting index 3-15 g/10min;
In order to improve the consistency that meets PMMA in material, ABS and PET, prevent skewness, add compatilizer MBS in co-mixing system, be i.e. methyl methacrylate-divinyl-styrene copolymer, except improving consistency, can also play certain toughening effect.MBS can adopt commercially available product, the EM500A of LG, EM600, the M210 of Japanese Zhong Yuan etc.
In addition, there are two keys in the chemical structure of ABS and MBS, are easy to be subjected to the katalysis of ultraviolet ray and oxygen and degraded certainly produces catabiosis, so add a small amount of UV light absorber and antioxidant in co-mixing system.
The preparation method of described polymer composites, step is as follows by weight:
(1) oven dry: get PMMA 10-50 part, ABS 20-60 part, PET 10-30 part and be placed in baking oven, 80-90 ℃ of baking 2-3h removes moisture;
(2) batching: add compatilizer MBS resin 2-6 part in step (1) gained raw material, add UV light absorber 0.02-0.12 part and antioxidant 0.02-0.12 part, fully mix;
(3) discharging: get step (2) gained mixture at 230-250 ℃ of lower melting 3-10min, carry out blend and granulation in twin screw extruder; The temperature of twin screw extruder is 200-230 ℃, pressure 15-20MPa, and residence time 1-3min namely gets the product polymer matrix material after extruding.
Described antioxidant is phenolic compound, is specially a kind of in antioxidant 1010, antioxidant 1076 or antioxidant BHT.
Described UV light absorber is benzophenone class or benzotriazole compound, is specially 2-(2 '-hydroxyl-5 '-aminomethyl phenyl) a kind of in benzotriazole or 2,4 dihydroxyl benzophenone.
The present invention has following advantage: the present invention adopts PMMA, ABS, PET compound, what overcome that three kinds of materials use separately all has a not enough separately drawback, and a kind of have high rigidity, shock-resistant, rub resistance, the polymer composites that translucent and price is lower are provided.Its production technique is simple and convenient, is easy to suitability for industrialized production and uses, and use range is wide, and production cost is low.
Embodiment
Below in conjunction with specific embodiment, further illustrate the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.All data are all by mass parts.For the ease of relatively, MBS adopts the EM600 of LG, and UV light absorber is used 2,4 dihydroxyl benzophenone, and antioxidant uses 1010, and the ratio of using in example and Comparative Examples is all identical.
Embodiment 1
The preparation method of described polymer composites, step is as follows by weight:
(1) oven dry: get 20 parts of 50 parts of PMMA, 30 parts of ABS, PET and be placed in baking oven, 80 ℃ of baking 3h remove moisture;
(2) batching: add 5 parts of compatilizer MBS resins in step (1) gained raw material, add 0.02 part of 0.02 part of UV light absorber and antioxidant, fully mix;
(3) discharging: get step (2) gained mixture at 250 ℃ of lower melting 3min, carry out blend and granulation in twin screw extruder; The temperature of twin screw extruder is 230 ℃, pressure 15MPa, and residence time 2min namely gets the product polymer matrix material after extruding.
The comparative example 1
PMMA is that 100 parts, ABS do not add, PET does not add in step (1), and all the other operations and step parameter are with embodiment 1.
Embodiment 2
The preparation method of described polymer composites, step is as follows by weight:
(1) oven dry: get 20 parts of 30 parts of PMMA, 50 parts of ABS, PET and be placed in baking oven, 85 ℃ of baking 2h remove moisture;
(2) batching: add 5 parts of compatilizer MBS resins in step (1) gained raw material, add 0.02 part of 0.02 part of UV light absorber and antioxidant, fully mix;
(3) discharging: get step (2) gained mixture at 250 ℃ of lower melting 3min, carry out blend and granulation in twin screw extruder; The temperature of twin screw extruder is 230 ℃, pressure 15MPa, and residence time 3min namely gets the product polymer matrix material after extruding.
The comparative example 2
The middle PMMA of step (1) does not add, 100 parts of ABS, PET do not add, and all the other operations and step parameter are with embodiment 2.
Embodiment 3
The preparation method of described polymer composites, step is as follows by weight:
(1) oven dry: get 30 parts of 30 parts of PMMA, 30 parts of ABS, PET and be placed in baking oven, 90 ℃ of baking 2h remove moisture;
(2) batching: add 5 parts of compatilizer MBS resins in step (1) gained raw material, add 0.12 part of 0.12 part of UV light absorber and antioxidant, fully mix;
(3) discharging: get step (2) gained mixture at 230 ℃ of lower melting 10min, carry out blend and granulation in twin screw extruder; The temperature of twin screw extruder is 200 ℃, pressure 20MPa, and residence time 2min namely gets the product polymer matrix material after extruding.
The comparative example 3
PMMA does not add in step (1), ABS does not add, 90 parts of PET, and all the other operations and step parameter are with embodiment 2.
To each embodiment and Comparative Examples, the performance test of being correlated with: in above-described embodiment, tensile strength is tested according to GB GB/T1040.2-2006; The simply supported beam notched Izod impact strength is tested according to ISO179; Transmittance is tested according to GB GB/T2410-2008; Pencil hardness is tested according to GB GB/T6739-1996.
| Material | Example 1 | Example 2 | Example 3 | Comparative Examples 1 | Comparative Examples 2 | Comparative Examples 3 |
| Tensile strength MPa | 65 | 51 | 61 | 75 | 35.2 | 45 |
| Simply supported beam notched Izod impact strength KJ/m 2 | 13 | 18 | 14 | 5 | 25 | 10 |
| Pencil hardness | 2H | 2H | 2H | 3H | -- | 3H |
| Transmittance % | 50.5 | 40.2 | 47.3 | 92 | -- | 90 |
As can be seen from the above table, polymer composites has effectively improved the resistance to impact shock of PMMA and PET, draw high simultaneously intensity and surface hardness and still maintain higher level, and possesses certain transmittance, than single polymkeric substance, meeting material performance on the whole has obvious lifting.This matrix material can be used for the aspects such as family expenses household appliances, audio and video products, automotive trim, furniture and artwork fully, and because ABS, PET proportion are larger, larger reduction the cost of matrix material.
Claims (5)
1. the formula of a polymer composites, is characterized in that as follows by weight: PMMA 10-50 part; ABS 20-60 part; PET 10-30 part; Compatilizer MBS resin 2-6 part; UV light absorber 0.02-0.12 part; Antioxidant 0.02-0.12 part;
PMMA, ABS, the oven dry of PET particle are anhydrated, take material by above-mentioned formula, add twin screw extruder after mixing, carry out melting, blend and granulation, namely get the product polymer matrix material.
2. the formula of polymer composites as claimed in claim 1, it is characterized in that by weight: PMMA is that 30-50 part, ABS are that 30-50 part, PET are 20-30 part.
3. the preparation method of the described polymer composites of claim 1 is characterized in that step is as follows by weight:
(1) oven dry: get PMMA 10-50 part, ABS 20-60 part, PET 10-30 part and be placed in baking oven, 80-90 ℃ of baking 2-3h removes moisture;
(2) batching: add compatilizer MBS resin 2-6 part in step (1) gained raw material, add UV light absorber 0.02-0.12 part and antioxidant 0.02-0.12 part, fully mix;
(3) discharging: get step (2) gained mixture at 230-250 ℃ of lower melting 3-10min, carry out blend and granulation in twin screw extruder; The temperature of twin screw extruder is 200-230 ℃, pressure 15-20MPa, and residence time 1-3min namely gets the product polymer matrix material after extruding.
4. the preparation method of polymer composites as claimed in claim 3, it is characterized in that: described antioxidant is phenolic compound, is specially a kind of in antioxidant 1010, antioxidant 1076 or antioxidant BHT.
5. the preparation method of polymer composites as claimed in claim 3, it is characterized in that: described UV light absorber is benzophenone class or benzotriazole compound, be specially 2-(2 '-hydroxyl-5 '-aminomethyl phenyl) a kind of in benzotriazole or 2,4 dihydroxyl benzophenone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101027473A CN103146106A (en) | 2013-03-27 | 2013-03-27 | Formula of polymer composite material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101027473A CN103146106A (en) | 2013-03-27 | 2013-03-27 | Formula of polymer composite material and preparation method thereof |
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| CN103146106A true CN103146106A (en) | 2013-06-12 |
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| CN2013101027473A Pending CN103146106A (en) | 2013-03-27 | 2013-03-27 | Formula of polymer composite material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103694573A (en) * | 2013-12-11 | 2014-04-02 | 上海瀚氏模具成型有限公司 | Yellowing-resistant PP/HDPE (Polypropylene/High-Density Polyethylene) plastics for automobile interior trim parts and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1685186B1 (en) * | 2003-11-20 | 2008-01-09 | Evonik Röhm GmbH | Molding material containing a matting agent |
| CN101508818A (en) * | 2008-12-17 | 2009-08-19 | 深圳市科聚新材料有限公司 | ABS//PET alloy and method for producing the same |
-
2013
- 2013-03-27 CN CN2013101027473A patent/CN103146106A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1685186B1 (en) * | 2003-11-20 | 2008-01-09 | Evonik Röhm GmbH | Molding material containing a matting agent |
| CN101508818A (en) * | 2008-12-17 | 2009-08-19 | 深圳市科聚新材料有限公司 | ABS//PET alloy and method for producing the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103694573A (en) * | 2013-12-11 | 2014-04-02 | 上海瀚氏模具成型有限公司 | Yellowing-resistant PP/HDPE (Polypropylene/High-Density Polyethylene) plastics for automobile interior trim parts and preparation method thereof |
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Application publication date: 20130612 |
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