CN105331037A - Low-odor environmental-protection ABS material - Google Patents
Low-odor environmental-protection ABS material Download PDFInfo
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- CN105331037A CN105331037A CN201410395665.7A CN201410395665A CN105331037A CN 105331037 A CN105331037 A CN 105331037A CN 201410395665 A CN201410395665 A CN 201410395665A CN 105331037 A CN105331037 A CN 105331037A
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Abstract
The invention relates to a preparation method of a low-odor environmental-protection acrylonitrile, butadiene and styrene terpolymer (ABS) material. The low-odor environmental-protection acrylonitrile, butadiene and styrene terpolymer (ABS) material comprises, by weight, 60-95% of ABS, 0-20% of an odor inhibitor, 3-25% of a flexibilizer MBS and 0.1-5% of an auxiliary preparation. The preparation method comprises the following steps: firstly weighing materials according to a certain weight ratio, sending the materials into a high-speed mixer to mix the materials, sending a mixture into twin-screw extruder to carry out melt extrusion on the mixture, and granulating to obtain the low-odor ABS material. By the above technical scheme, the invention has established a hydrophilic odor adsorption and removal system. The product has characteristics of low odor and low emission. It is ensured that molding processing of the material is not affected, and it is guaranteed that various physical and mechanical properties are not influenced. In addition, the preparation cost is low, and the technology is simple.
Description
Technical field
The present invention relates to plastics-production and processing technique field, be specifically related to a kind of ABS material.
Background technology
Vinyl cyanide, divinyl and cinnamic terpolymer (ABS) are the general thermoplastic engineering plastics grown up the forties in 20th century, it is the very outstanding plastics variety of a comprehensive mechanical property, not only there is good rigidity, hardness and processing fluidity, and there is high tenacity feature, can injection moulding, extrude or thermoforming.ABS resin is that current production rate is maximum, one of most widely used polymkeric substance, it is by polyhutadiene (PB), polyacrylonitrile (PAN), the various performances of polystyrene (PS) are organically united, and have tough, hard, just balanced mutually excellent mechanical property concurrently.Owing to having three kinds of polymkeric substance compositions, and impart the good performance of ABS; Vinyl cyanide gives the chemical stability of ABS resin, oil-proofness, certain rigidity and hardness; Divinyl makes its toughness, shock resistance and winter hardiness increase; Vinylbenzene makes it have good dielectric properties, and presents good processibility.
ABS resin is that in automobile, rate of utilization is only second to Polyurethane and polyacrylic the third-largest resin.Major part trolley part is all with injection molding forming method processing, and the advantage of ABS resin is that impact-resistance, sound-proofing, scratch-resistant, thermotolerance are better, is specially adapted to require comparatively strict parts to horizontal impact-resistance and use temperature.ABS resin can be used for Che Nei and car outer enclosure, and bearing circle, oil guide pipe and the widget such as handle and button, car outside comprises front radiator grill and lampshade etc.ABS material stands the parts of higher temperature conduct air mainly for the production of the needs that the inner-decoration components, particularly air-conditioner air outlet such as door-plate, dashboard escutcheon, glove box, middle control dashboard, air-conditioner air outlet are such.The important goal that automotive trim is pursued comprises attractive in appearance, low smell, mechanical property, heat-resisting, weather-proof etc.Under automobile indoor air air tight condition, small molecules organic volatile in plastics is easy to the surface moving to plastics, thus discharge some irritating smell in various degree, and evaporate in car in air, the long period be in such environment under will affect HUMAN HEALTH.Along with the continuous enhancing that people realize Environmental Health, environment inside car receives increasing concern, and odor problem also causes popular attention gradually.Therefore, need to find a kind of method that effectively can reduce the release of ABS material smell to improve the quality of automotive interior part, thus improve the Air quality of car room, low scent material is the target that automaker and automotive material manufacturers are pursued jointly.
Summary of the invention
The object of the invention is to, a kind of low smell environmental protection ABS material is provided, solves above technical problem.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of low smell environmental protection ABS material, comprises the feed composition of following weight proportion:
Described ABS is vinyl cyanide, divinyl and cinnamic terpolymer, for the mass polymerization of different shock strength and mobility and emulsion method are polymerized ABS, when test condition is 220 DEG C/10.0kg, the melt flow rate (MFR) of described ABS is 3g/10min-30g/10min, and normal temperature shock strength is at 10KJ/m
2above.
The present invention obtains product by said components, solves traditional material and cannot remove the defect of indoor pungency taste by active adsorption, improve Air quality, improve the capability profile of product.
Resene toughner selected by described toughner, preferably adopts MBS, and MBS is methyl methacrylate-divinyl-styrene copolymer.The present invention, by adding MBS resin in component, improves the resistance to impact shock of goods, can also improve winter hardiness and the processing fluidity of goods simultaneously.
Described odor suppressing agents is ABS deodovization agent, is a kind of commercially available white inorganic powder, has high adsorptive power to smell and organism, has excellent resistance toheat simultaneously and in macromolecular material, has good dispersiveness.Its principle infiltrates the surface of material, adsorb and react after neutralizing the peculiar smell of monomer in these materials and rapidly by it decomposition, reach the object of elimination peculiar smell.
Described auxiliary agent comprises oxidation inhibitor, and described oxidation inhibitor preferably adopts the combination of any one or both in antioxidant 1010, irgasfos 168.
Described auxiliary agent comprises photostabilizer, thermo-stabilizer, tinting material, any one or wherein several combinations in releasing agent.
According to practical situation, other auxiliary agents can also be increased with its composition to strengthen product performance.
Described feed composition obtains product according to following preparation method:
1) each feed composition is taken by weight ratio;
2) undertaken being dry mixed process by each feed composition input super mixer;
3) by step 2) mixture that produces inserts in twin screw extruder, and extruding after melting, obtain product after granulation, is low smell ABS material.
In above-mentioned steps, super mixer adopts vertical mixer, and mixing velocity is 100 revs/min-400 revs/min, and favor speed is 200 revs/min; Mixing time continues 5 minutes-10 minutes.
Twin screw extruder has the warm area of at least ten temperature-adjustables, first warm area to the temperature setting range of the tenth warm area is: 180 DEG C-200 DEG C, a district, two 190 DEG C-220 DEG C, districts, three 200 DEG C-220 DEG C, districts, four 210 DEG C-220 DEG C, districts, five 210 DEG C-230 DEG C, districts, six 210 DEG C-230 DEG C, districts, seven 210 DEG C-230 DEG C, districts, eight 210 DEG C-230 DEG C, districts, nine 210 DEG C-230 DEG C, districts, ten 210 DEG C-230 DEG C, districts, 210 DEG C-220 DEG C, head district.The residence time of mixture in each warm area continues 0.2 minute-2 minutes, preferably 0.5 minute.
The screw speed of described twin screw extruder is set to 300rpm-450rpm, and internal process pressure is 3MPa-55MPa, preferred 25MPa.Extruding output is 50kg/h-500kg/h, and preferably extruding output is 50kg/h-200kg/h.
Beneficial effect: owing to adopting technique scheme, the present invention constructs a kind of hydrophilic odor adsorption and removal system, goods have low smell, low characteristic of distributing, and are guaranteeing to ensure that every physical and mechanical property is unaffected while the forming process of material is not affected; And preparation cost is cheap, technique is simple.
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 low smell environmental protection ABS material, feed composition comprises odor suppressing agents, the toughner of 3%-25%, the 0.1%-5% auxiliary agent of ABS, 0-20% of 60%-95% by weight ratio.ABS in component is vinyl cyanide, divinyl and cinnamic terpolymer, for the mass polymerization of different shock strength and mobility and emulsion method are polymerized ABS, when test condition is 220 DEG C/10.0kg, the melt flow rate (MFR) of ABS is 3g/10min-30g/10min, and normal temperature shock strength is at 10KJ/m
2above.Resene toughner selected by toughner, preferably adopts MBS, and MBS is methyl methacrylate-divinyl-styrene copolymer, for improving the resistance to impact shock of product, can also improve winter hardiness and the processing fluidity of product.Odor suppressing agents is commercially available ABS deodovization agent, is a kind of inorganic powder of white, has high adsorptive power to smell and organism, has excellent resistance toheat simultaneously and in macromolecular material, has good dispersiveness.Auxiliary agent is oxidation inhibitor, thermo-stabilizer, photostabilizer, tinting material, any one or several combinations in releasing agent, or adopts other processing aid and composition thereof.Wherein, the preferred antioxidant 1010 of oxidation inhibitor and irgasfos 168.
Feed composition is obtained product according to following preparation method:
1) each feed composition is claimed by weight ratio;
2) undertaken being dry mixed process by each feed composition input super mixer;
3) by step 2) goods that are mixed to get are placed in twin screw extruder and extrude after melting, and granulation obtains low smell ABS material.
In above-mentioned steps, super mixer adopts vertical mixer, and mixing velocity is 100 revs/min-400 revs/min, and favor speed is 200 revs/min; Mixing time continues 5 minutes-10 minutes.Twin screw extruder selects the type with at least ten warm areas, its first warm area is set to the working temperature of the tenth warm area: 180 DEG C-200 DEG C, a district, two 190 DEG C-220 DEG C, districts, three 200 DEG C-220 DEG C, districts, four 210 DEG C-220 DEG C, districts, five 210 DEG C-230 DEG C, districts, six 210 DEG C-230 DEG C, districts, seven 210 DEG C-230 DEG C, districts, eight 210 DEG C-230 DEG C, districts, nine 210 DEG C-230 DEG C, districts, ten 210 DEG C-230 DEG C, districts, 210 DEG C-220 DEG C, head district.Mixture residence time in each warm area is 0.2 minute-2 minutes, preferably 0.5 minute.The screw speed of forcing machine is set to 300rpm-450rpm, and melt pressure is 3MPa-55MPa, preferred 25MPa, and extruding output is 50kg/h-500kg/h.
The present invention can have following embodiment according to component formula and actual demand:
1, the selected 4 groups of embodiments of component formula and 2 groups of comparative examples, as shown in the table:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example 1 | Comparative example 2 | |
| ABS(％) | 95 | 90 | 85 | 80 | 95 | 85 |
| Odor suppressing agents (%) | 1.8 | 4.8 | 6.8 | 9.8 | - | - |
| Toughner MBS (%) | 3 | 5 | 8 | 10 | 4.8 | 14.8 |
| Antioxidant 1010 (%) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Irgasfos 168 (%) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
2, apparatus and process is: the mixing velocity of super mixer is 200 revs/min; The melt pressure of twin screw extruder is 25MPa, and extruding output is 50kg/h-200kg/h; Mixture residence time in each warm area is 0.5 minute.
In above-mentioned embodiment, in the component of comparative example, do not add odor suppressing agents.
Above-described embodiment and comparative example component formula are completed the product after granulation in the convection oven of 70 DEG C-90 DEG C dry 2 hours-3 hours in advance, and then test according to following testing standard after dried material is carried out injection molding sample preparation on injection moulding machine.
Tensile property test is undertaken by ISO527-2, and specimen size is 150mm × 10mm × 4mm, and draw speed is 50mm/min;
Bending property test is undertaken by ISO178, and specimen size is 80mm × 10mm × 4mm, and rate of bending is 2mm/min, and span is 64mm;
Simple beam impact strength is undertaken by ISO179, and specimen size is 80mm × 6mm × 4mm, and notch depth is 1/3rd of sample thickness.
The odor property capillary gas chromatograph of material is tested, and sample is 1g pellet.
The comprehensive mechanical property of material is by testing the tensile strength of gained, elongation at break, modulus in flexure, and the numerical value of heat-drawn wire and shock strength is passed judgment on; The odor property of material is divided into according to standard regulation:
1 grade: tasteless,
2 grades: scent of, but non interference smell,
3 grades: have obvious smell, but non interference smell,
4 grades: have interference smell,
5 grades: have strong interference smell,
6 grades: have insupportable smell.
Material organic compound volatility calculation formula is as follows:
Volatility=(quality of material initial mass-material after placement fixed by standard gauge)/material initial mass × 100%.The numerical value higher expression material organic compound volatility calculating gained is larger, otherwise less.
Above-mentioned every test performance result is as shown in the table:
From the contrast of example 1,2 and comparative example 1, the contrast of embodiment 3,4 and comparative example 2 can be found out, the product obtained for the combination of different ABS, odor suppressing agents, toughner MBS significantly can reduce the smell and total carbon emitting that material distributes, and this illustrates that odor suppressing agents serves active effect for smell and total carbon emitting absorption in component.Simultaneously from the material mechanical performance contrast of embodiment 1-4 and comparative example 1,2, also can find out that a small amount of interpolation of this odor suppressing agents not only can make material possess better smell and total carbon emitting performance, and the basic mechanical properties of material and thermomechanical property also can keep preferably.Why this low smell that the present invention proposes, the ABS material of low total carbon emitting, can reach ideal goal of the invention, with the selecting properly of odor suppressing agents and inseparable to rationally selecting of ABS material.The present invention selects ABS deodovization agent as odor suppressing agents, and ABS deodovization agent is a kind of organic organic materials of parent of multi-cellular structure, and it has high adsorptive power to the organism of smell and small-molecular-weight.There is excellent resistance toheat simultaneously and there is good dispersiveness in macromolecular material.Its principle infiltrates the surface of material, adsorb and the peculiar smell neutralizing monomer in these materials reacts and decomposes rapidly, reaches the object of elimination peculiar smell.
Antioxidant 1010 in the present invention program selects Ciba company to produce, and trade names are the oxidation inhibitor of Irganox1010.Irgasfos 168 selects Ciba company to produce, and trade names are the oxidation inhibitor of Irgafos168.
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. a low smell environmental protection ABS material, formulated by the feed composition of following weight proportion:
2. one according to claim 1 low smell environmental protection ABS material, it is characterized in that: described ABS is vinyl cyanide, divinyl and cinnamic terpolymer, for the mass polymerization of different shock strength and mobility and emulsion method are polymerized ABS, when test condition is 220 DEG C/10.0kg, the melt flow rate (MFR) of described ABS is 3g/10min-30g/10min, and normal temperature shock strength is at 10KJ/m
2above.
3. one according to claim 1 low smell environmental protection ABS material, is characterized in that: resene toughner selected by described toughner.
4. one according to claim 3 low smell environmental protection ABS material, is characterized in that: MBS selected by described toughner, and MBS is methyl methacrylate-divinyl-styrene copolymer.
5. one according to claim 1 low smell environmental protection ABS material, is characterized in that: described odor suppressing agents is ABS deodovization agent.
6. one according to claim 1 low smell environmental protection ABS material, is characterized in that: described auxiliary agent is oxidation inhibitor, photostabilizer, thermo-stabilizer, tinting material, any one or several combinations in releasing agent.
7. one according to claim 1 low smell environmental protection ABS material, is characterized in that: described auxiliary agent comprises oxidation inhibitor, described oxidation inhibitor is the combination of antioxidant 1010 and irgasfos 168.
8. the low smell environmental protection of the one according to any one of claim 1 to 7 ABS material, is characterized in that: preparation method is as follows:
1) each feed composition is claimed by weight ratio;
2) undertaken being dry mixed process by each feed composition input super mixer;
3) by step 2) goods that are mixed to get are placed in twin screw extruder and extrude after melting, and it is low smell ABS material that granulation obtains product.
9. one according to claim 8 low smell environmental protection ABS material, is characterized in that, super mixer adopts vertical mixer, and mixing velocity is 100 revs/min-400 revs/min; Mixing time continues 5 minutes-10 minutes.
10. one according to claim 9 low smell environmental protection ABS material, it is characterized in that, twin screw extruder has the warm area of at least ten temperature-adjustables, first warm area to the temperature setting range of the tenth warm area is: 180 DEG C-200 DEG C, a district, two 190 DEG C-220 DEG C, districts, three 200 DEG C-220 DEG C, districts, four 210 DEG C-220 DEG C, districts, five 210 DEG C-230 DEG C, districts, six 210 DEG C-230 DEG C, districts, seven 210 DEG C-230 DEG C, districts, eight 210 DEG C-230 DEG C, districts, nine 210 DEG C-230 DEG C, districts, ten 210 DEG C-230 DEG C, districts, 210 DEG C-220 DEG C, head district;
The residence time of mixture in each warm area continues 0.2 minute-2 minutes;
The screw speed of twin screw extruder is set to 300rpm-450rpm, and internal process pressure is 3MPa-55MPa, and extruding output is 50kg/h-500kg/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410395665.7A CN105331037A (en) | 2014-08-13 | 2014-08-13 | Low-odor environmental-protection ABS material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410395665.7A CN105331037A (en) | 2014-08-13 | 2014-08-13 | Low-odor environmental-protection ABS material |
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| CN105331037A true CN105331037A (en) | 2016-02-17 |
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| CN201410395665.7A Pending CN105331037A (en) | 2014-08-13 | 2014-08-13 | Low-odor environmental-protection ABS material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106947208A (en) * | 2017-03-08 | 2017-07-14 | 广东天保新材料有限责任公司 | It is a kind of that there is moisture absorption, the air conditioner housing ABS material eliminated the unusual smell and preparation method thereof |
| CN112480593A (en) * | 2020-11-25 | 2021-03-12 | 北方华锦化学工业股份有限公司 | Heat-resistant low-odor bulk ABS composite material and preparation method thereof |
-
2014
- 2014-08-13 CN CN201410395665.7A patent/CN105331037A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106947208A (en) * | 2017-03-08 | 2017-07-14 | 广东天保新材料有限责任公司 | It is a kind of that there is moisture absorption, the air conditioner housing ABS material eliminated the unusual smell and preparation method thereof |
| WO2018161446A1 (en) * | 2017-03-08 | 2018-09-13 | 广东天保新材料有限责任公司 | Moisture-absorbing and odor-eliminating abs material for air-conditioner housing and preparation method thereof |
| CN112480593A (en) * | 2020-11-25 | 2021-03-12 | 北方华锦化学工业股份有限公司 | Heat-resistant low-odor bulk ABS composite material and preparation method thereof |
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Application publication date: 20160217 |