CN111154214A - Low-shrinkage HIPS (high impact polystyrene) composite material for solving abnormal sound and preparation method thereof - Google Patents
Low-shrinkage HIPS (high impact polystyrene) composite material for solving abnormal sound and preparation method thereof Download PDFInfo
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- CN111154214A CN111154214A CN201911354643.5A CN201911354643A CN111154214A CN 111154214 A CN111154214 A CN 111154214A CN 201911354643 A CN201911354643 A CN 201911354643A CN 111154214 A CN111154214 A CN 111154214A
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- 229920005669 high impact polystyrene Polymers 0.000 title claims abstract description 79
- 239000004797 high-impact polystyrene Substances 0.000 title claims abstract description 79
- 239000002131 composite material Substances 0.000 title claims abstract description 78
- 230000002159 abnormal effect Effects 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 229920001971 elastomer Polymers 0.000 claims abstract description 84
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 56
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 32
- 239000011347 resin Substances 0.000 claims abstract description 31
- 229920005989 resin Polymers 0.000 claims abstract description 31
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 28
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 28
- 239000000314 lubricant Substances 0.000 claims abstract description 26
- 239000002981 blocking agent Substances 0.000 claims abstract description 23
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims description 29
- 239000003365 glass fiber Substances 0.000 claims description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 23
- 239000006229 carbon black Substances 0.000 claims description 23
- 239000012760 heat stabilizer Substances 0.000 claims description 22
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical group [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 18
- 229920002545 silicone oil Polymers 0.000 claims description 16
- 238000004073 vulcanization Methods 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 12
- 239000000155 melt Substances 0.000 claims description 9
- 229920005549 butyl rubber Polymers 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 239000007822 coupling agent Substances 0.000 claims description 6
- 239000010445 mica Substances 0.000 claims description 6
- 229910052618 mica group Inorganic materials 0.000 claims description 6
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 claims description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- 229920006254 polymer film Polymers 0.000 claims description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000005357 flat glass Substances 0.000 claims description 3
- RSVDRWTUCMTKBV-UHFFFAOYSA-N sbb057044 Chemical group C12CC=CC2C2CC(OCCOC(=O)C=C)C1C2 RSVDRWTUCMTKBV-UHFFFAOYSA-N 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 239000010456 wollastonite Substances 0.000 claims description 3
- 229910052882 wollastonite Inorganic materials 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 10
- 230000009467 reduction Effects 0.000 abstract description 4
- 239000012964 benzotriazole Substances 0.000 description 8
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 description 8
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- IKEHOXWJQXIQAG-UHFFFAOYSA-N 2-tert-butyl-4-methylphenol Chemical compound CC1=CC=C(O)C(C(C)(C)C)=C1 IKEHOXWJQXIQAG-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000012754 barrier agent Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- XOUQAVYLRNOXDO-UHFFFAOYSA-N 2-tert-butyl-5-methylphenol Chemical compound CC1=CC=C(C(C)(C)C)C(O)=C1 XOUQAVYLRNOXDO-UHFFFAOYSA-N 0.000 description 2
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical compound CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000012763 reinforcing filler Substances 0.000 description 2
- GVJHHUAWPYXKBD-IEOSBIPESA-N α-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-IEOSBIPESA-N 0.000 description 2
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 description 1
- VSKJLJHPAFKHBX-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 VSKJLJHPAFKHBX-UHFFFAOYSA-N 0.000 description 1
- -1 3-tert-butyl-4-hydroxy-5-methylphenyl Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
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- 230000004630 mental health Effects 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012170 montan wax Substances 0.000 description 1
- ZZAMUZWGTXZGKY-UHFFFAOYSA-N n-(6-aminohexyl)-3-(3,5-ditert-butyl-4-hydroxyphenyl)propanamide Chemical compound CC(C)(C)C1=CC(CCC(=O)NCCCCCCN)=CC(C(C)(C)C)=C1O ZZAMUZWGTXZGKY-UHFFFAOYSA-N 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
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-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Abstract
The invention discloses a low-shrinkage HIPS composite material for solving abnormal sound and a preparation method thereof, wherein the material comprises the following raw materials in parts by weight: 60-80 parts of HIPS resin, 3-10 parts of rubber composite material, 8-20 parts of reinforcing agent, 3-10 parts of blocking agent, 0.3-1.5 parts of weather resistant agent, 0.1-0.6 part of antioxidant and 0.1-0.6 part of lubricant. The material of the invention has excellent strength, toughness and dimensional stability, can play a role in vibration and noise reduction, can solve the common abnormal sound problem of the current household appliances, improves the living environment of people, has low comprehensive cost and wide application range.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a low-shrinkage HIPS composite material for solving abnormal sound and a preparation method thereof.
Background
High Impact Polystyrene (HIPS) materials are two-phase system polymers consisting of elastomer rubber and continuous styrene rubber, and are widely applied to various fields of household appliances due to the cheap price, excellent processability and mechanical properties of the HIPS; however, HIPS has large shrinkage rate change in cold and hot alternating environments, a product is easy to deform, the dimensional stability is poor, and the application range of the HIPS is severely limited.
Noise pollution is caused by the change of the size of an air conditioning product during cold and hot alternation, vibration, resonance and other reasons of different products of the product; noise pollution has become a worldwide problem in modern times, and is harming physical and mental health of people. In order to better meet the use performance requirements of air conditioning products, the development of an HIPS material capable of solving the problem of abnormal sound is urgently needed.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides the low-shrinkage HIPS composite material for solving the abnormal sound and the preparation method thereof, the prepared material not only can reduce the deformation of HIPS resin in a cold and hot environment, but also can reduce the sound radiation generated by mechanical vibration and reduce the resonance amplitude and the resonance frequency, thereby reducing the noise source, and the low-shrinkage HIPS composite material has the characteristics of low shrinkage, high strength and abnormal sound resistance, and simultaneously has good flowing property and expanded application range of products.
The invention provides a low-shrinkage HIPS composite material for solving abnormal sound, which is characterized by comprising the following raw materials in parts by weight: 60-80 parts of HIPS resin, 3-10 parts of rubber composite material, 8-20 parts of reinforcing agent, 3-10 parts of blocking agent, 0.3-1.5 parts of weather resistant agent, 0.1-0.6 part of antioxidant and 0.1-0.6 part of lubricant.
Preferably, the rubber composite material comprises the following raw materials in parts by weight: 98-100 parts of rubber, 0.15-0.25 part of white carbon black, 0.4-0.6 part of silicone oil, 0.05-0.15 part of heat stabilizer and 0.05-0.15 part of anti-vulcanization reversion agent; preferably, the preparation method of the rubber composite material comprises the following steps: the rubber, the white carbon black, the silicone oil, the heat stabilizer and the anti-vulcanization reversion agent are mixed uniformly, and then are mixed and extruded to obtain the rubber.
Preferably, the rubber is one or a mixture of more of butyl rubber, nitrile rubber and styrene-isoprene-styrene block copolymer rubber; preferably, the rubber has a particle diameter of 0.3 to 0.4mm and an apparent density of 0.4 to 0.5g/cm3。
Preferably, the rubber is a mixture of butyl rubber and styrene-isoprene-styrene block copolymer rubber in a weight ratio of (5-8): 1 are mixed to obtain the product.
Preferably, the reinforcing agent is glass fiber, wollastonite, or a mixture of both.
Preferably, the reinforcing agent is modified glass fiber, the modified glass fiber is obtained by modifying glass fiber with an impregnating compound, the impregnating compound is composed of a coupling agent, a polymer film-forming agent and an ethanol solution, and the weight ratio of the coupling agent to the polymer film-forming agent to the ethanol solution is (4-6): (40-50): (40-50); preferably, the coupling agent is a silane coupling agent KH550, a silane coupling agent KH560 or a mixture of the two, the polymer film forming agent is dicyclopentenyloxyethyl acrylate, and the concentration of the ethanol solution is 95%.
Preferably, the preparation method of the modified glass fiber comprises the following steps: soaking glass fibers in an impregnating compound for 5-15min, wherein the weight ratio of the glass fibers to the impregnating compound is 1: (8-12), standing at room temperature for 1-2h, and treating at 110-130 ℃ for 3-5 h.
Preferably, the glass fiber is flat glass fiber, the effective monofilament diameter of the glass fiber is 8-15 μm, the monofilament diameter of the short side is 8-10 μm, and the length of the short side is 3-5 mm.
Preferably, the HIPS resin has a melt flow rate of 2 to 6g/10min at 200 ℃/5 KG.
Preferably, the blocking agent is barium sulfate or mica or a mixture of the barium sulfate and the mica, and the particle size of the blocking agent is 3-6 mu m.
Preferably, the weather-resistant agent is a light-shielding agent of benzotriazole.
Preferably, the antioxidant is a hindered phenol antioxidant, N ' -bis [3- (3 ', 5 ' -di-tert-butyl-4 ' -hydroxyphenyl) propionylhexanediamine, α -vitamin E or a compound reaction product of p-cresol and dicyclopentadiene butyl, and the hindered phenol antioxidant is one or a mixture of more of 2, 2-methylene-bis (4-methyl-6-tert-butylphenol), N- [3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl ] hexamethylenediamine, 4' -thiobis (6-tert-butyl-3-methylphenol) or 3, 9-bis [1, 1-dimethyl-2- [ (3-tert-butyl-4-hydroxy-5-methylphenyl) propionyloxy ] ethyl ] -2,4,8, 10-tetraoxaspiro [5.5] deca.
Preferably, the lubricant is one or a mixture of more of ethylene bis stearamide, N-ethylene bis stearamide, montan wax, amide wax, dioctyl phthalate and butyl stearate.
The preparation method of the low-shrinkage HIPS composite material for solving the abnormal sound comprises the following steps:
s1, premixing the HIPS resin, the rubber, the blocking agent, the weather resisting agent, the antioxidant and the lubricant in a high-speed mixer for 8-15min to obtain a mixture;
and S2, adding the mixture obtained in the step S1 into a double-screw extruder from a main feeding port, adding a reinforcing agent into the double-screw extruder from a side feeding port by using a scale, and carrying out melt mixing and extrusion to obtain the low-shrinkage HIPS composite material capable of solving the abnormal sound.
The invention has the following beneficial effects:
the HIPS resin is used as a matrix resin, the flat glass fiber is used as a reinforcing filler, the mineral fillers (barium sulfate and mica) are used as a blocking agent, the rubber is used as a toughening agent and a damping reinforcing agent, and the HIPS resin is prevented from moving in a cold-hot motion mode through reasonable selection and compounding of raw materials, and meanwhile, sound energy is converted into heat energy, sound radiation generated by mechanical vibration is reduced, and resonance amplitude and resonance frequency are reduced, so that a noise source is reduced; meanwhile, the composite material has low linear expansion coefficient, good flowing property and toughness, good balance between rigidity and toughness, good mechanical property, excellent size stability under the condition of high and low temperature alternation, greatly improved application temperature range of the material, and improved problems of a series of sounds, deformation and the like caused by size change; the material has excellent vibration and noise reduction function and excellent dimensional stability, so that the frequency of abnormal sound generated in use is greatly reduced.
Furthermore, the invention further improves the mechanical property, the dimensional stability and the vibration and noise reduction performance of the material by the optimized selection of rubber and the optimized modification of the glass fiber of the reinforcing filler, so that the notch impact strength of the material is more than 13KJ/m2The flexural modulus is more than 2500 MPa; the linear expansion coefficient can reach 20 multiplied by 10-6C-1The abnormal sound frequency can be reduced by more than 90%, the shrinkage rate can reach within 0.25, and the use requirements of functional parts and decorative parts with bearing such as an air conditioner chassis, an air outlet frame and the like can be met.
The material of the invention has excellent strength, toughness and dimensional stability, can play a role in vibration and noise reduction, can solve the common abnormal sound problem of the current household appliances, improves the living environment of people, has low comprehensive cost and wide application range.
Drawings
FIG. 1, FIG. 2 and FIG. 3 are electron microscope images of the rubber composite material in the raw material of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
As shown in fig. 1, 2 and 3, fig. 1, 2 and 3 are electron microscope images of the rubber composite material in the raw material of the present invention, and it can be seen from the images that the white carbon black particles are uniformly distributed in the rubber composite material.
Example 1
A low-shrinkage HIPS composite material for solving abnormal sound comprises the following raw materials in parts by weight: 60 parts of HIPS resin, 3 parts of rubber composite material, 8 parts of reinforcing agent, 3 parts of blocking agent, 0.3 part of weather-resistant agent, 0.1 part of antioxidant and 0.1 part of lubricant.
The preparation method of the low-shrinkage HIPS composite material for solving the abnormal sound comprises the following steps:
s1, premixing the HIPS resin, the rubber composite material, the blocking agent, the weather resisting agent, the antioxidant and the lubricant for 8min to obtain a mixture;
and S2, adding the mixture obtained in the step S1 into a double-screw extruder from a main feeding port, adding a reinforcing agent into the double-screw extruder from a side feeding port for melt mixing and extruding, and thus obtaining the low-shrinkage HIPS composite material capable of solving the abnormal sound.
The rubber composite material comprises the following raw materials in parts by weight: 98 parts of rubber, 0.15 part of white carbon black, 40420.4 parts of silicone oil, FT-42770.05 parts of heat stabilizer and Perkalink 9000.05 parts of anti-vulcanization reversion agent; the rubber is butyl rubber, the particle diameter is 0.3-0.4mm, and the apparent density is 0.4-0.5g/cm3(ii) a The particle size of the white carbon black is 0.5-3 μm. The preparation method of the rubber composite material comprises the following steps: the rubber, the white carbon black, the silicone oil 4042, the heat stabilizer FT-4277 and the anti-vulcanization reversion agent Perkalink900 are uniformly mixed, mixed and extruded to obtain the rubber heat stabilizer.
Wherein the melt flow rate of the HIPS resin is 2g/10min under the condition of 200 ℃/5 KG; the reinforcing agent is glass fiber, the diameter of an effective monofilament of the reinforcing agent is 8-15 mu m, the diameter of a monofilament of a short side is 8-10 mu m, and the length of the short side is 3-5 mm; the barrier agent is barium sulfate with the grain diameter of 3-6 μm; the weather resisting agent is a benzotriazole light shielding agent; the antioxidant is N, N '-bis [3- (3', 5 '-di-tert-butyl-4' -hydroxyphenyl) propionyl hexamethylenediamine; the lubricant is N, N-ethylene bis stearamide.
Example 2
A low-shrinkage HIPS composite material for solving abnormal sound comprises the following raw materials in parts by weight: 80 parts of HIPS resin, 10 parts of rubber composite material, 10 parts of reinforcing agent, 10 parts of blocking agent, 1.5 parts of weather resistant agent, 0.6 part of antioxidant and 0.6 part of lubricating agent.
The preparation method of the low-shrinkage HIPS composite material for solving the abnormal sound comprises the following steps:
s1, premixing the HIPS resin, the rubber composite material, the blocking agent, the weather resisting agent, the antioxidant and the lubricant for 15min to obtain a mixture;
and S2, adding the mixture obtained in the step S1 into a double-screw extruder from a main feeding port, adding a reinforcing agent into the double-screw extruder from a side feeding port for melt mixing and extruding, and thus obtaining the low-shrinkage HIPS composite material capable of solving the abnormal sound.
The rubber composite material comprises the following raw materials in parts by weight: 100 parts of rubber, 0.25 part of white carbon black, 40420.6 parts of silicone oil, FT-42770.15 parts of heat stabilizer and Perkalink 9000.15 part of anti-vulcanization reversion agent; the rubber is nitrile rubber with particle diameter of 0.3-0.4mm and apparent density of 0.4-0.5g/cm3(ii) a The particle size of the white carbon black is 0.5-3 μm. The preparation method of the rubber composite material comprises the following steps: the rubber, the white carbon black, the silicone oil 4042, the heat stabilizer FT-4277 and the anti-vulcanization reversion agent Perkalink900 are uniformly mixed, mixed and extruded to obtain the rubber heat stabilizer.
Wherein the HIPS resin has a melt flow rate of 6g/10min at 200 ℃/5KG, the reinforcing agent is wollastonite, the blocking agent is mica with a particle size of 3-6 mu m, the weather-resistant agent is a benzotriazole light shielding agent, the antioxidant is α -vitamin E, and the lubricant is dioctyl phthalate.
Example 3
A low-shrinkage HIPS composite material for solving abnormal sound comprises the following raw materials in parts by weight: 78 parts of HIPS resin, 7 parts of rubber composite material, 10 parts of reinforcing agent, 5 parts of blocking agent, 0.5 part of weather-resistant agent, 0.3 part of antioxidant and 0.5 part of lubricant.
The preparation method of the low-shrinkage HIPS composite material for solving the abnormal sound comprises the following steps:
s1, premixing the HIPS resin, the rubber composite material, the blocking agent, the weather resisting agent, the antioxidant and the lubricant for 10min to obtain a mixture;
and S2, adding the mixture obtained in the step S1 into a double-screw extruder from a main feeding port, adding a reinforcing agent into the double-screw extruder from a side feeding port for melt mixing and extruding, and thus obtaining the low-shrinkage HIPS composite material capable of solving the abnormal sound.
The rubber composite material comprises the following raw materials in parts by weight: 99.1 parts of rubber, 0.2 part of white carbon black, 40420.5 parts of silicone oil, FT-42770.1 parts of heat stabilizer and Perkalink 9000.1 part of anti-vulcanization reversion agent; the rubber is butyl rubber, the particle diameter is 0.3-0.4mm, and the apparent density is 0.4-0.5g/cm3(ii) a The particle size of the white carbon black is 0.5-3 μm. The preparation method of the rubber composite material comprises the following steps: the rubber, the white carbon black, the silicone oil 4042, the heat stabilizer FT-4277 and the anti-vulcanization reversion agent Perkalink900 are uniformly mixed, mixed and extruded to obtain the rubber heat stabilizer.
Wherein the melt flow rate of the HIPS resin is 5g/10min under the condition of 200 ℃/5 KG; the reinforcing agent is glass fiber, the diameter of an effective monofilament of the reinforcing agent is 8-15 mu m, the diameter of a monofilament of a short side is 8-10 mu m, and the length of the short side is 3-5 mm; the barrier agent is barium sulfate with the grain diameter of 3-6 μm; the weather resisting agent is a benzotriazole light shielding agent; the antioxidant is 2, 2-methylene-bis (4-methyl-6-tert-butylphenol); the lubricant is ethylene bis stearamide.
Example 4
A low-shrinkage HIPS composite material for solving abnormal sound comprises the following raw materials in parts by weight: 78 parts of HIPS resin, 7 parts of rubber composite material, 15 parts of reinforcing agent, 5 parts of blocking agent, 0.5 part of weather-resistant agent, 0.3 part of antioxidant and 0.5 part of lubricant.
The preparation method of the low-shrinkage HIPS composite material for solving the abnormal sound comprises the following steps:
s1, premixing the HIPS resin, the rubber composite material, the blocking agent, the weather resisting agent, the antioxidant and the lubricant for 10min to obtain a mixture;
and S2, adding the mixture obtained in the step S1 into a double-screw extruder from a main feeding port, adding a reinforcing agent into the double-screw extruder from a side feeding port for melt mixing and extruding, and thus obtaining the low-shrinkage HIPS composite material capable of solving the abnormal sound.
The rubber composite material comprises the following raw materials in parts by weight: 99.1 parts of rubber, 0.2 part of white carbon black, 40420.5 parts of silicone oil, FT-42770.1 parts of heat stabilizer and Perkalink 9000.1 part of anti-vulcanization reversion agent; the rubber is styrene-isoprene-styrene block copolymer rubber with particle diameter of 0.3-0.4mm and apparent density of 0.4-0.5g/cm3(ii) a The particle size of the white carbon black is 0.5-3 μm. The preparation method of the rubber composite material comprises the following steps: the rubber, the white carbon black, the silicone oil 4042, the heat stabilizer FT-4277 and the anti-vulcanization reversion agent Perkalink900 are uniformly mixed, mixed and extruded to obtain the rubber heat stabilizer.
Wherein the melt flow rate of the HIPS resin is 5g/10min under the condition of 200 ℃/5 KG; the reinforcing agent is glass fiber, the diameter of an effective monofilament of the reinforcing agent is 8-15 mu m, the diameter of a monofilament of a short side is 8-10 mu m, and the length of the short side is 3-5 mm; the barrier agent is barium sulfate with the grain diameter of 3-6 μm; the weather resisting agent is a benzotriazole light shielding agent; the antioxidant is 2, 2-methylene-bis (4-methyl-6-tert-butylphenol); the lubricant is ethylene bis stearamide.
Example 5
A low-shrinkage HIPS composite material for solving abnormal sound comprises the following raw materials in parts by weight: 78 parts of HIPS resin, 7 parts of rubber composite material, 15 parts of reinforcing agent, 5 parts of blocking agent, 0.5 part of weather-resistant agent, 0.3 part of antioxidant and 0.5 part of lubricant.
The preparation method of the low-shrinkage HIPS composite material for solving the abnormal sound comprises the following steps:
s1, premixing the HIPS resin, the rubber composite material, the blocking agent, the weather resisting agent, the antioxidant and the lubricant for 10min to obtain a mixture;
and S2, adding the mixture obtained in the step S1 into a double-screw extruder from a main feeding port, adding a reinforcing agent into the double-screw extruder from a side feeding port for melt mixing and extruding, and thus obtaining the low-shrinkage HIPS composite material capable of solving the abnormal sound.
The rubber composite material comprises the following raw materials in parts by weight: 99.1 parts of rubber, 0.2 part of white carbon black, 40420.5 parts of silicone oil, FT-42770.1 parts of heat stabilizer and Perkalink 9000.1 part of anti-vulcanization reversion agent; the rubber is prepared from butyl rubber and styrene-isoprene-styrene segmented copolymer rubber according to the weight ratio of 6: 1, the particle diameter is 0.3-0.4mm, and the apparent density is 0.4-0.5g/cm3(ii) a The particle size of the white carbon black is 0.5-3 μm. The preparation method of the rubber composite material comprises the following steps: the rubber, the white carbon black, the silicone oil 4042, the heat stabilizer FT-4277 and the anti-vulcanization reversion agent Perkalink900 are uniformly mixed, mixed and extruded to obtain the rubber heat stabilizer.
Wherein the melt flow rate of the HIPS resin is 5g/10min under the condition of 200 ℃/5 KG; the reinforcing agent is glass fiber, the diameter of an effective monofilament of the reinforcing agent is 8-15 mu m, the diameter of a monofilament of a short side is 8-10 mu m, and the length of the short side is 3-5 mm; the barrier agent is barium sulfate with the grain diameter of 3-6 μm; the weather resisting agent is a benzotriazole light shielding agent; the antioxidant is 2, 2-methylene-bis (4-methyl-6-tert-butylphenol); the lubricant is ethylene bis stearamide.
Example 6
A low-shrinkage HIPS composite material for solving abnormal sound comprises the following raw materials in parts by weight: 78 parts of HIPS resin, 7 parts of rubber composite material, 15 parts of reinforcing agent, 5 parts of blocking agent, 0.5 part of weather-resistant agent, 0.3 part of antioxidant and 0.5 part of lubricant.
The preparation method of the low-shrinkage HIPS composite material for solving the abnormal sound comprises the following steps:
s1, premixing the HIPS resin, the rubber composite material, the blocking agent, the weather resisting agent, the antioxidant and the lubricant for 10min to obtain a mixture;
and S2, adding the mixture obtained in the step S1 into a double-screw extruder from a main feeding port, adding a reinforcing agent into the double-screw extruder from a side feeding port for melt mixing and extruding, and thus obtaining the low-shrinkage HIPS composite material capable of solving the abnormal sound.
Wherein the rubber composite material comprisesThe following raw materials in parts by weight: 99.1 parts of rubber, 0.2 part of white carbon black, 40420.5 parts of silicone oil, FT-42770.1 parts of heat stabilizer and Perkalink 9000.1 part of anti-vulcanization reversion agent; wherein the rubber is a mixture of butyl rubber and styrene-isoprene-styrene block copolymer rubber according to a weight ratio of 6: 1, the particle diameter is 0.3-0.4mm, and the apparent density is 0.4-0.5g/cm3(ii) a The particle size of the white carbon black is 0.5-3 μm. The preparation method of the rubber composite material comprises the following steps: the rubber, the white carbon black, the silicone oil 4042, the heat stabilizer FT-4277 and the anti-vulcanization reversion agent Perkalink900 are uniformly mixed, mixed and extruded to obtain the rubber heat stabilizer.
Wherein the melt flow rate of the HIPS resin is 5g/10min under the condition of 200 ℃/5 KG; the barrier agent is barium sulfate with the grain diameter of 3-6 μm; the weather resisting agent is a benzotriazole light shielding agent; the antioxidant is 2, 2-methylene-bis (4-methyl-6-tert-butylphenol); the lubricant is ethylene bis stearamide.
The reinforcing agent is modified glass fiber, and the preparation method comprises the following steps: soaking glass fibers in an impregnating compound for 10min under an oscillation condition, wherein the weight ratio of the glass fibers to the impregnating compound is 1:10, standing at room temperature for 1.5h, and treating at 120 ℃ for 4h to obtain the glass fiber composite material; wherein, the effective monofilament diameter of the glass fiber is 8-15 μm, the monofilament diameter of the short side is 8-10 μm, and the length of the short side is 3-5 mm; the impregnating compound is prepared from a silane coupling agent KH550, dicyclopentenyloxyethyl acrylate and 95% ethanol solution according to the weight ratio of 5: 45: 45, respectively.
Comparative example 1
The HIPS composite material comprises the following raw materials in parts by weight: 100 parts of HIPS resin, 0.5 part of weather resistant agent, 0.3 part of antioxidant and 0.5 part of lubricant.
Wherein the melt flow rate of the HIPS resin is 5g/10min under the condition of 200 ℃/5 KG; the weather resisting agent is a benzotriazole light shielding agent; the antioxidant is 2, 2-methylene-bis (4-methyl-6-tert-butylphenol); the lubricant is ethylene bis stearamide.
The HIPS composites prepared in examples 1-6 and comparative example 1 were injection molded and the resulting bars were tested as shown in Table 1:
TABLE 1 main physical Properties of HIPS composite Material
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A low-shrinkage HIPS composite material for solving abnormal sound is characterized by comprising the following raw materials in parts by weight: 60-80 parts of HIPS resin, 3-10 parts of rubber composite material, 8-20 parts of reinforcing agent, 3-10 parts of blocking agent, 0.3-1.5 parts of weather resistant agent, 0.1-0.6 part of antioxidant and 0.1-0.6 part of lubricant.
2. The low-shrinkage HIPS composite material capable of solving the abnormal sound of claim 1, wherein the rubber composite material comprises the following raw materials in parts by weight: 98-100 parts of rubber, 0.15-0.25 part of white carbon black, 0.4-0.6 part of silicone oil, 0.05-0.15 part of heat stabilizer and 0.05-0.15 part of anti-vulcanization reversion agent; preferably, the preparation method of the rubber composite material comprises the following steps: the rubber, the white carbon black, the silicone oil, the heat stabilizer and the anti-vulcanization reversion agent are mixed uniformly, and then are mixed and extruded to obtain the rubber.
3. The low-shrinkage HIPS composite material for solving the abnormal sound of claim 2, wherein the rubber is one or a mixture of more of butyl rubber, nitrile rubber and styrene-isoprene-styrene block copolymer rubber; preferably, the rubber has a particle diameter of 0.3 to 0.4mm and an apparent density of 0.4 to 0.5g/cm3。
4. The low shrinkage HIPS composite material solving the abnormal noise of claim 2 or 3, wherein the rubber is a mixture of butyl rubber and styrene-isoprene-styrene block copolymer rubber in a weight ratio of (5-8): 1 are mixed to obtain the product.
5. The reverberant solving low shrinkage HIPS composite as claimed in any of claims 1 to 4, wherein the reinforcing agent is glass fiber, wollastonite or a mixture of both.
6. The low-shrinkage HIPS composite material capable of solving the abnormal sound of any one of claims 1 to 4, wherein the reinforcing agent is modified glass fiber, the modified glass fiber is obtained by modifying glass fiber by using an impregnating compound, the impregnating compound consists of a coupling agent, a polymer film forming agent and an ethanol solution, and the weight ratio of the coupling agent to the polymer film forming agent to the ethanol solution is (4-6): (40-50): (40-50); preferably, the coupling agent is a silane coupling agent KH550, a silane coupling agent KH560 or a mixture of the two, the polymer film forming agent is dicyclopentenyloxyethyl acrylate, and the concentration of the ethanol solution is 95%.
7. The abnormal sound solving low shrinkage HIPS composite material of claim 6, wherein the preparation method of the modified glass fiber is as follows: soaking glass fibers in an impregnating compound for 5-15min, wherein the weight ratio of the glass fibers to the impregnating compound is 1: (8-12), standing at room temperature for 1-2h, and treating at 110-130 ℃ for 3-5 h.
8. The low shrinkage HIPS composite material for solving abnormal noise of any one of claims 5 to 7, wherein the glass fiber is a flat glass fiber, the effective filament diameter of the glass fiber is 8 to 15 μm, the filament diameter of the short side is 8 to 10 μm, and the length of the short side is 3 to 5 mm.
9. The low shrinkage HIPS composite material to solve abnormal noise according to any one of claims 1 to 8, wherein the HIPS resin has a melt flow rate of 2 to 6g/10min at 200 ℃/5 KG; the blocking agent is barium sulfate or mica or a mixture of the barium sulfate and the mica, and the particle size of the blocking agent is 3-6 mu m.
10. A method of making a low shrinkage HIPS composite for reducing abnormal sound as claimed in any of claims 1 to 9, comprising the steps of:
s1, premixing the HIPS resin, the rubber composite material, the blocking agent, the weather resisting agent, the antioxidant and the lubricant in a high-speed mixer for 8-15min to obtain a mixture;
and S2, adding the mixture obtained in the step S1 into a double-screw extruder from a main feeding port, adding a reinforcing agent into the double-screw extruder from a side feeding port by using a scale, and carrying out melt mixing and extrusion to obtain the low-shrinkage HIPS composite material capable of solving the abnormal sound.
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