CN103772884A - Low-odor and low-emission acrylonitrile-butadiene-styrene (ABS) composition and preparation method thereof - Google Patents
Low-odor and low-emission acrylonitrile-butadiene-styrene (ABS) composition and preparation method thereof Download PDFInfo
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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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
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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
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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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
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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
- B29C48/92—Measuring, controlling or regulating
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a low-odor and low-emission acrylonitrile-butadiene-styrene (ABS) composition and a preparation method thereof. The low-odor and low-emission ABS composition comprises the components by weight percent: 52.4-97.4% of ABS resin, 0-40% of a modifier, 1-3% of a compatilizer, 1-5% of water master batch and 0.1-3% of an assistant. The preparation method comprises the following steps: mixing the ABS resin, the modifier, the compatilizer and the assistant in a high mixing machine for 1-3 minutes; evenly mixing; putting into a main feeding hole of a twin-screw extruder; adding the water master batch from a lateral feeding hole; fusing and extruding; pelleting and drying, so as to obtain the low-odor and low-emission ABS composition. By using a maleic anhydride grafted copolymer, the compatibility of the composite material can be greatly improved, the water master batch taking high-melt foaming polypropylene (PP) as a carrier is adopted as a gas stripping agent, kinds of volatile small molecules and organic compounds generated in the processing process can be effectively removed, and the prepared ABS composition has the characteristics of low odor and low emission, and can meet the requirements of automotive interior parts.
Description
Technical field
The present invention relates to a kind of ABS composition, be specifically related to a kind of low smell, the low ABS of distributing composition and method of making the same.
Background technology
Styrene butadiene-vinyl cyanide (ABS) resin is with rigidity and the thermotolerance of vinyl cyanide, the features such as the shock resistance of the glossiness of polystyrene and processibility and polyhutadiene, are widely used in the fields such as household electrical appliance, office equipment, instrument, communications and transportation, material of construction, household utensils and wrapping material.But because ABS at high temperature has certain volatility, conventional ABS goods often produce some volatile matters in machine-shaping process, and volatile matter accumulation is attached to the surface of goods, affects outward appearance and the use of goods.Therefore,, in the course of processing, often need to stop producing cleaning die, thereby reduce production efficiency.ABS resin has good mechanical property and excellent forming process characteristic, is also widely applied in automobile industry.As the door-plate in automotive trim, dashboard, auxiliary fasia console, sun visor.The contained volatilization gas of interior material is the main source of new car taste, therefore needs to control the gaseous volatilization amount of automotive upholstery, controls VOC and TVOC.
China, for the Air quality in better management and control new car car, has promulgated " Air Quality Evaluation guide in passenger car " on March 1st, 2012, and has come into effect.This requires material produce manufacturer to provide the product of lower smell, lower VOC to satisfy the demands of consumers.
Reduce smell and can take several measures below: 1, substitute those unpleasant additives by low smell substitute; 2, adopt more pure resin; 3, add sorbent material, comprise chemical reaction and physical adsorption method.Chemical reaction method refers to the additive that some can react with scent of small-molecule substance, these additives and small molecules reaction, produce the another kind of compound that molecular chain is large, can not evaporate in general environment, thereby elimination smell, for example zinc ricinate reduces smell by chelating aldehyde ketone molecule.And for physical adsorption, theoretically, a large amount of cavities can be adsorbed the small molecules of any generation smell or other fugitive constituents, therefore may all produce effect to all respects that produce smell problem.And along with physical absorbent industrial expansion, physical adsorption system kind is very many at present.Comprise gac, silica gel, Attapulgite, clay mineral system, molecular sieve, zeolite, wollastonite, wilkinite etc., in the time that they are dispersed in resin system, can adsorb the small-molecule substance that aperture is less than self micropore, thereby reduce smell.Around above-mentioned factor, people do a lot.
It is that resinogen material, stablizer, mineral filler and processing cracking produce that patent 200510026760.0 is mentioned smell, and the solution of smell is to add nano zine oxide and nano titanium oxide.Patent CN101817953B has added odor adsorption agent and has prepared a kind of low modified polypropylene composite material distributing, and odor adsorption agent comprises: clay, wilkinite, porous silica, activated alumina or molecular sieve.Patent 200810207592.9 discloses the preparation method of a kind of not incrustation, the low styren-based resin composition distributing, and adds white carbon black absorption incrustation thing.But, using this formula, can impact the toughness of material, can limit the color of goods simultaneously.
Aforesaid method is to the smell problem of material by solution in various degree, but aforesaid method is only the impact on smell for a certain component, reduce smell, but in fact material smell is the interactional result of various ingredients smell thereby add sorbent material.Therefore, find a kind of method that can solve various smell problems comprehensively and don't affect the mechanical property of material and seem particularly important.
Summary of the invention
In order to overcome the defect of above-mentioned prior art, primary and foremost purpose of the present invention is to provide a kind of low smell, the low ABS of distributing composition, said composition is by adding jellyfish grain, can effectively remove the various volatile small molecule and the organic compound that in the course of processing, produce, not affect the mechanical property of material simultaneously.
Another object of the present invention is to provide the preparation method of a kind of above-mentioned low smell, the low ABS of distributing composition.
The present invention is achieved through the following technical solutions:
A kind of low smell, the low ABS composition that distributes, by weight percentage, comprise following component:
Wherein, described jellyfish grain by weight percentage, comprises following component:
Polypropylene 1%-49%;
Water 50%-98%;
Mineral filler 0.1-5%;
Jellyfish grain of the present invention, is by polypropylene, the mixture of mineral filler and water composition, this mixture water content>=50%, preferably 60-90%; Described polypropylene is high melt strength, propylene, its melt strength>=5cN; Wherein, melt strength test condition is: under the experimental temperature of 190 ℃, use the capillary die that length-to-diameter ratio is 10: 1, a mouthful mould is 24cm to the distance of roller, and plunger lowering speed is 0.10mm/s, and the acceleration of traction rollers is 5mm/s
2.Described mineral filler is one or more the mixing in talcum powder, calcium carbonate or barium sulfate.
The preparation method of described jellyfish grain, comprises the steps:
(1) polypropylene is mixed by proportioning fully with mineral filler, in forcing machine, extrude strip polypropylene, then be chopped into polypropylene pre-expanded particles;
(2) take water as whipping agent, polypropylene pre-expanded particles is foamed, prepare the expanded polypropylene of high fondant-strength;
(3) the mixed 5-10min in super mixer by the expanded polypropylene of high fondant-strength and water, prepares jellyfish grain, emits stand-by.
The preferred 1-5% of jellyfish grain add-on of the present invention, adds too much jellyfish grain, and jellyfish grain can seethe with excitement in screw rod, thereby is unfavorable for producing.
Described ABS resin is vinyl cyanide, divinyl, cinnamic terpolymer, preparation method is substance law or emulsion method, wherein the weight percent content of divinyl is 10-55%, and the weight percent content of vinyl cyanide is 15-32%, and cinnamic weight percent content is 30-70%.
Described properties-correcting agent is current for ABS being carried out to all auxiliary agents of modification, comprises toughner, heat-resistant agent, fire retardant, static inhibitor etc.As toughner----as ABS high glue powder, heat-resistant agent---as N-phenyl graft maleimide, fire retardant---as TDE (DBPE), static inhibitor----as polyethylene glycol system polymeric amide PEG-PA etc.
Described compatilizer is the grafts PP-g-MAH of polypropylene and maleic anhydride, percentage of grafting is 0.3-1.2%, it melts to refer to be (190 ℃ of 50-120g/10min, 2.16kg), maleic anhydride graft compatilizer is by introducing strong polar reaction group, make material there is high polarity and reactivity, can greatly improve the consistency of matrix material.
The present composition also comprises the auxiliary agent of 0.1-3% (weight percent), and described auxiliary agent is one or more the mixing in thermo-stabilizer, photostabilizer, processing aid, toner or pigment.Can use separately above-mentioned auxiliary agent according to different technologies requirement etc., or compound use.Thermo-stabilizer can improve the heat aging property of material in processing and use procedure, conventionally can be selected from more than one in phenols, phosphorous acid esters, monothioester class.Photostabilizer can improve material light aging resisting property in use, can be hindered amines or UV light absorber.Processing aid is more than one in low molecule ester class stearic acid, metallic soap (Cast, Znst), stearic acid complex ester or amides (erucicamide).
Low smell of the present invention, the low preparation method who distributes ABS composition, comprise the following steps:
(1) take by weight percentage ABS resin, properties-correcting agent, compatilizer and auxiliary agent and in high mixer, mix 1-3min; Mix, obtain Preblend;
(2) Preblend is placed in to the main spout of twin screw extruder, adds jellyfish grain from side spout, melt extrude, granulating and drying, to obtain final product.
The described condition melt extruding is: a district temperature 140-210 ℃, two district temperature 190-240 ℃, three district temperature 190-280 ℃, four district temperature 190-280 ℃, five district temperature 190-280 ℃, six district temperature 190-280 ℃, seven district temperature 190-280 ℃, eight district temperature 190-280 ℃, nine district temperature 190-280 ℃, engine speed 250-600 rev/min; The length-to-diameter ratio of twin screw extruder is 40: 1.
The present invention compared with prior art, has following beneficial effect:
1) the present invention uses take maleic anhydride grafts as compatilizer, can greatly improve the consistency of matrix material, jellyfish grain using high flux foaming PP as carrier is as air lift agent, can effectively remove the various volatile small molecule and the organic compound that in the course of processing, produce, prepared ABS composition has low smell, low characteristic of distributing, and can meet the requirement of automotive upholstery;
2) the jellyfish grain that the present invention uses is simple and easy to get, and preparation technology is simple, and cost is low, when can effectively removing smell, and don't affects the mechanical property of composition;
3) the present invention proposes low smell, the low preparation method who distributes ABS composition are simple, take the reinforced mode of side feeding to add jellyfish grain, avoid adding fashionable and causing the moisture problem of volatilization too early jellyfish grain from main feeding, can more effectively remove smell.
Embodiment
Further illustrate the present invention below by embodiment, following examples are preferably embodiment of the present invention, but embodiments of the present invention are not subject to the restriction of following embodiment.
In following examples and comparative example, the processing conditions that forcing machine melt extrudes is as follows: a district temperature 140-210 ℃, two district temperature 190-240 ℃, three district temperature 190-280 ℃, four district temperature 190-280 ℃, five district temperature 190-280 ℃, six district temperature 190-280 ℃, seven district temperature 190-280 ℃, eight district temperature 190-280 ℃, nine district temperature 190-280 ℃, engine speed 250-600 rev/min.The length-to-diameter ratio of twin screw extruder is 40: 1.
Described ABS is vinyl cyanide, divinyl, cinnamic terpolymer, and preparation method is substance law or emulsion method.The concrete trade mark can be the ABS data of the current commercially available various trades mark, as the GP-22 of BASF, and the 121H of LG chemistry, strange beautiful PA-757, the ABS8434 of high bridge etc.
Described properties-correcting agent is current for ABS being carried out to all auxiliary agents of modification, comprises toughner, heat-resistant agent, fire retardant, static inhibitor etc.As toughner----as Korea S brocade lake ABS high glue powder, heat-resistant agent---the polyethylene glycol system polymeric amide PEG-PA of N-phenyl graft maleimide, the fire retardant produced as catalyst chemical company---TDE (DBPE), static inhibitor of producing as Albermale company of the U.S.----produce as Asahi Kasei Corporation etc.
The preparation of jellyfish grain:
The high melt strength, propylene of different melt intensity is mixed by proportioning shown in table 1 fully with mineral filler (talcum powder, calcium carbonate or barium sulfate), in forcing machine, extrude strip polypropylene, then be chopped into polypropylene pre-expanded particles; Take water as whipping agent, polypropylene pre-expanded particles is foamed, prepare the expanded polypropylene of high fondant-strength; The mixed 5-10min in super mixer by the expanded polypropylene of high fondant-strength and water, by controlling mixing time, prepares the jellyfish grain of water content as shown in table 1, emits stand-by.
Each component concentration (weight percent) of table 1 jellyfish grain
Embodiment 1
A kind of low smell, the low ABS composition that distributes, its composition of raw materials is as shown in table 3, and its preparation method comprises the following steps:
Take by weight percentage each component, in high mixer, mixed 1-3min; Mix, obtain Preblend; The main spout that Preblend is placed in to twin screw extruder, adds jellyfish grain from side spout, melt extrudes, and then granulation, cooling, obtains ABS composition.Measure its smell and volatile matter, concrete data are listed in table 4.
Wherein, ABS resin is selected from the 121H of LG chemistry, and Compatibilizer PP-g-MAH is selected from the ST-9 of Nanjing Su Tai polymer Science and Technology Ltd..
Embodiment 2
A kind of low smell, the low ABS composition that distributes, its composition of raw materials is as shown in table 3, and its preparation method is with embodiment 1:
Wherein, ABS resin is selected from the ABS8434 of high bridge, and Compatibilizer PP-g-MAH is selected from the ST-9 of Nanjing Su Tai polymer Science and Technology Ltd., and properties-correcting agent is maleimide type heat-proof modifier, is selected from the MS-NB of DENKA.
Embodiment 3
A kind of low smell, the low ABS composition that distributes, its composition of raw materials is as shown in table 3, and its preparation method is with embodiment 1:
Wherein, ABS resin is selected from the GP-22 of Basf, Compatibilizer PP-g-MAH is selected from the ST-9 of Nanjing Su Tai polymer Science and Technology Ltd., properties-correcting agent is the mixture that toughner and static inhibitor form with the mass ratio of 1: 1, toughner is selected from Korea S's brocade lake ABS high glue powder, the concrete trade mark is HR181, and static inhibitor is selected from the polyethylene glycol system polymeric amide PEG-PA that Asahi Kasei Corporation produces, and the concrete trade mark is Adion-A.
Embodiment 4
A kind of low smell, the low ABS composition that distributes, its composition of raw materials is as shown in table 3, and its preparation method is with embodiment 1:
Wherein, ABS resin is selected from state Qiao's D-120A, and Compatibilizer PP-g-MAH is selected from the ST-9 of Nanjing Su Tai polymer Science and Technology Ltd., and properties-correcting agent is fire retardant, be selected from the TDE (DBPE) that Albemarle company produces, the concrete trade mark is SAYTEX4010.
Embodiment 5
A kind of low smell, the low ABS composition that distributes, its composition of raw materials is as shown in table 3, and its preparation method is with embodiment 1:
Wherein, ABS resin is selected from the DG-417 of Dagu chemical industry, Compatibilizer PP-g-MAH is selected from the ST-9 of Nanjing Su Tai polymer Science and Technology Ltd., properties-correcting agent is that properties-correcting agent is the mixture fire retardant that heat-resistant agent and fire retardant form with the mass ratio of 1: 2, heat-resistant agent is selected from the K-145 of the chemical industry of resistance to letter, fire retardant is selected from the TDE (DBPE) that Albemarle company produces, and the concrete trade mark is Saytex8010.
Comparative example 1
A kind of ABS composition, its composition of raw materials is as shown in table 3, and its preparation method comprises the following steps:
Take by weight percentage each component (not adding properties-correcting agent, compatilizer and jellyfish grain), in high mixer, mixed 1-3min; Mix, obtain Preblend; Preblend is placed in to twin screw extruder, melt extrudes, then granulation, cooling, obtains ABS composition.Measure its smell and volatile matter, concrete data are listed in table 3.
Wherein, ABS resin is selected from the 121H of LG chemistry.
Comparative example 2
A kind of ABS composition, its composition of raw materials is as shown in table 3, and its preparation method comprises the following steps:
Take by weight percentage each component (comprising jellyfish grain), in high mixer, mixed 1-3min; Mix, obtain Preblend; Preblend is placed in to twin screw extruder, melt extrudes, then granulation, cooling, obtains ABS composition.Measure its smell and volatile matter, concrete data are listed in table 4.
Wherein, ABS resin is selected from the ABS8434 of high bridge, and Compatibilizer PP-g-MAH is selected from the ST-9 of Nanjing Su Tai polymer Science and Technology Ltd., and properties-correcting agent is maleimide type heat-proof modifier, is selected from the MS-NB of DENKA.
Comparative example 3
A kind of ABS composition, its composition of raw materials is as shown in table 3, and its preparation method comprises the following steps:
Take by weight percentage each component (not adding compatilizer and jellyfish grain), in high mixer, mixed 1-3min; Mix, obtain Preblend; The main spout that Preblend is placed in to twin screw extruder, melt extrudes, and then granulation, cooling obtains ABS composition.Measure its smell and volatile matter, concrete data are listed in table 3.
Wherein, ABS resin is selected from the ABS8434 of high bridge, and properties-correcting agent is maleimide type heat-proof modifier, is selected from the MS-NB of DENKA.
Comparative example 4
A kind of ABS composition, its composition of raw materials is as shown in table 3, and its preparation method is with embodiment 1:
Wherein, ABS resin is selected from state Qiao's D-120A, and properties-correcting agent is fire retardant, is selected from the TDE (DBPE) that Albemarle company produces, and the concrete trade mark is SAYTEX4010
Comparative example 5
A kind of ABS composition, its composition of raw materials is as shown in table 3, and its preparation method is with embodiment 1:
Wherein, ABS resin is selected from the DG-417 of Dagu chemical industry, Compatibilizer PP-g-MAH is selected from the ST-9 of Nanjing Su Tai polymer Science and Technology Ltd., properties-correcting agent is the mixture fire retardant that heat-resistant agent and fire retardant form with the mass ratio of 1: 2, heat-resistant agent is selected from the K-145 of the chemical industry of resistance to letter, fire retardant is selected from the TDE (DBPE) that Albemarle company produces, and the concrete trade mark is Saytex8010.
The ABS composition that embodiment and comparative example obtain adopts following methods to test its correlated performance:
(1) measurement of odor standard:
The test of volatile gases in car and smell is comprised to people's sensory test and strict instrument test.This patent, by the VW ' s PV3900E of Volkswagen standard, adopts 1～6 grade of evaluation, and rank is higher, and smell is larger.Table 2, for the evaluation content that Volkswagen controls the standard P V3900 of smell in Automobile, is divided into 6 ranks.Its method is under certain experiment condition, part is placed in to the vessel of a sealing, the smell by professional with Olfactometry part.Subjective smell test experiments condition is as follows: 23 ℃ of a normal temperature, simulate 40 ℃ of normal riving condition b high temperature, the riving condition c in simulation summer in 2h, under the condition that high temperature is 80 ℃, simulation extreme temperature and be exposed to the sun summer after condition in cab
Table 2 Volkswagen interior material smell judgement criteria
(2) the organic compound emissions measurement (TVOC) of ABS composition detects according to TS-INT-002.
The composition of raw materials (by weight percentage) of the ABS composition of table 3 embodiment and comparative example
The performance data of the ABS composition of table 4 embodiment and comparative example
By embodiment 1 and comparative example 1, embodiment 2 and comparative example 3, embodiment 4 can find out with comparative example 4 contrasts, maleic anhydride graft compatilizer add the consistency that can greatly improve matrix material, adding of jellyfish grain take high flux foaming PP as carrier, really can effectively remove various volatile small molecule and the organic compound in ABS composition.The present invention prepare ABS composition, there is low smell, low feature of distributing, can meet the requirement of automotive upholstery.
In addition, can be found out by embodiment 2 and comparative example 2 contrasts, comparative example 2 takes main feeding feed way to add jellyfish grain, and embodiment 2 takes the reinforced mode of side feeding, the better excellence of its effect; This is because adding membership from main feeding causes the moisture jellyfish grain to vapor away too early, affects its effect.
Embodiment 5 compares with comparative example 5, and the water content of comparative example 5 jellyfish grains is lower, and the ABS composition smell of preparation is poor, and volatile content is also higher.
Claims (11)
1. low smell, the low ABS composition that distributes, is characterized in that: by weight percentage, comprise following component:
ABS resin: 52.4-97.4%
Properties-correcting agent: 0-40%
Compatilizer: 1-3%
Jellyfish grain 1-5%
Auxiliary agent 0.1-3%;
Wherein, described jellyfish grain by weight percentage, comprises following component:
Polypropylene 1%-49%;
Water 50%-98%;
Mineral filler 0.1-5%;
Described polypropylene is high melt strength, propylene, its melt strength >=5cN.
2. low smell according to claim 1, the low ABS composition that distributes, it is characterized in that: described ABS resin is vinyl cyanide, divinyl, cinnamic terpolymer, wherein the weight percent content of divinyl is 10-55%, the weight percent content of vinyl cyanide is 15-32%, and cinnamic weight percent content is 30-70%.
3. low smell according to claim 1, the low ABS composition that distributes, is characterized in that: described properties-correcting agent is one or more the mixing in N-phenyl graft maleimide, TDE, high glue powder or polyethylene glycol system polymeric amide.
4. low smell according to claim 1, the low ABS composition that distributes, is characterized in that: described compatilizer is the grafts of polypropylene and maleic anhydride, and percentage of grafting is 0.3-1.2%, and its melting index is at 190 ℃, 50-120g/10min under 2.16kg condition.
5. low smell according to claim 1, the low ABS composition that distributes, is characterized in that: described auxiliary agent is one or more the mixing in thermo-stabilizer, photostabilizer, processing aid, toner or pigment.
6. low smell according to claim 5, the low ABS composition that distributes, is characterized in that: described thermo-stabilizer is more than one in phenols, phosphorous acid esters, monothioester class; Described photostabilizer is one or more the mixing in hindered amines or UV light absorber; Described processing aid is more than one in low molecule ester class stearic acid, metallic soap, stearic acid complex ester or amides.
7. low smell according to claim 1, the low ABS composition that distributes, is characterized in that: in described jellyfish grain, water content is 60-90%.
8. low smell according to claim 1, the low ABS composition that distributes, is characterized in that, described mineral filler is one or more the mixing in talcum powder, calcium carbonate or barium sulfate.
9. low smell according to claim 1, the low ABS composition that distributes, is characterized in that: the preparation method of described jellyfish grain, comprises the steps:
(1) polypropylene is mixed by proportioning fully with mineral filler, in forcing machine, extrude strip polypropylene, then be chopped into polypropylene pre-expanded particles;
(2) take water as whipping agent, polypropylene pre-expanded particles is foamed, prepare the expanded polypropylene of high fondant-strength;
(3) expanded polypropylene of high fondant-strength and water are mixed to 5-10min in super mixer, prepare the jellyfish grain of different moisture content, emit stand-by.
10. the low smell described in claim 1 ~ 9 any one, the low preparation method who distributes ABS composition, is characterized in that: comprise the following steps:
(1) take by weight percentage ABS resin, properties-correcting agent, compatilizer and auxiliary agent and in high mixer, mix 1-3min; Mix, obtain Preblend;
(2) Preblend is placed in to the main spout of twin screw extruder, adds jellyfish grain from side spout, melt extrude, granulating and drying, to obtain final product.
11. low smells according to claim 10, the low preparation method who distributes ABS composition, it is characterized in that: described in the condition that melt extrudes be: a district temperature 140-210 ℃, two district temperature 190-240 ℃, three district temperature 190-280 ℃, four district temperature 190-280 ℃, five district temperature 190-280 ℃, six district temperature 190-280 ℃, seven district temperature 190-280 ℃, eight district temperature 190-280 ℃, nine district temperature 190-280 ℃, engine speed 250-600 rev/min; The length-to-diameter ratio of twin screw extruder is 40:1.
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| CN105566750A (en) * | 2014-11-10 | 2016-05-11 | 合肥杰事杰新材料股份有限公司 | Volatile matter-removing master batch, and low-odor and low-volatility automotive interior decorative composite material and preparation method thereof |
| CN105602096A (en) * | 2014-11-21 | 2016-05-25 | 合肥杰事杰新材料股份有限公司 | Low-volatility polypropylene composite material used for automobile inner-decoration material and preparation method thereof |
| CN105670106A (en) * | 2014-11-21 | 2016-06-15 | 合肥杰事杰新材料股份有限公司 | Low-odor low-volatile automobile interior trimming material and preparation method thereof |
| CN107629385A (en) * | 2016-07-19 | 2018-01-26 | 大韩道恩高分子材料(上海)有限公司 | Low smell antistatic ABS composite of a kind of automobile using and preparation method thereof |
| CN107629386A (en) * | 2016-07-19 | 2018-01-26 | 大韩道恩高分子材料(上海)有限公司 | A kind of environmentally friendly ABS resin composition of commercial car inner decorative panel |
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| CN108570208A (en) * | 2018-05-10 | 2018-09-25 | 浙江通力新材料科技股份有限公司 | A kind of low smell ABS composite material and preparation method thereof |
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| CN109206830A (en) * | 2017-06-16 | 2019-01-15 | 合肥杰事杰新材料股份有限公司 | A kind of low smell heat-resistance acrylonitrile-butadimaterialylethylene materialylethylene and preparation method thereof |
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