CN114395210A - ABS material with low gloss and good touch feeling, and preparation method and application thereof - Google Patents
ABS material with low gloss and good touch feeling, and preparation method and application thereof Download PDFInfo
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- CN114395210A CN114395210A CN202111372395.4A CN202111372395A CN114395210A CN 114395210 A CN114395210 A CN 114395210A CN 202111372395 A CN202111372395 A CN 202111372395A CN 114395210 A CN114395210 A CN 114395210A
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- 239000000463 material Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000000314 lubricant Substances 0.000 claims abstract description 27
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 25
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 70
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 12
- 229920001296 polysiloxane Polymers 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000000155 melt Substances 0.000 claims description 9
- 239000004593 Epoxy Substances 0.000 claims description 7
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 5
- -1 acrylic ester Chemical class 0.000 claims description 4
- 125000003700 epoxy group Chemical group 0.000 claims description 4
- 239000006224 matting agent Substances 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 229920006037 cross link polymer Polymers 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000010954 inorganic particle Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- 125000000123 silicon containing inorganic group Chemical group 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 229940037312 stearamide Drugs 0.000 claims description 2
- 239000003063 flame retardant Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 31
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 31
- 230000000052 comparative effect Effects 0.000 description 13
- 238000012360 testing method Methods 0.000 description 9
- 229920003023 plastic Polymers 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000003078 antioxidant effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920000578 graft copolymer Polymers 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000010456 wollastonite Substances 0.000 description 3
- 229910052882 wollastonite Inorganic materials 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 241001671213 Staphylea Species 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010016322 Feeling abnormal Diseases 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000007550 Rockwell hardness test Methods 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 150000007970 thio esters Chemical class 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229910000166 zirconium phosphate Inorganic materials 0.000 description 1
- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical compound [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an ABS material with low gloss and good touch feeling, and a preparation method and application thereof. The ABS material provided by the invention takes ABS as a resin matrix, adopts high-fluidity ABS to keep the better fluidity of the material, and is added with a specific thermoplastic elastomer and a lubricant, so that low glossiness is obtained, meanwhile, the surface hardness of the material can be obviously reduced, and the material can obtain obvious soft touch and proper dynamic friction coefficient to obtain good touch. The ABS material provided by the invention has low gloss and good touch, and can be widely applied to the fields of electronic appliances, offices, automobiles and the like.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to an ABS material with low gloss and good touch feeling, and a preparation method and application thereof.
Background
Acrylonitrile-butadiene-styrene copolymer (ABS) resin has high strength, good toughness, easy processing and excellent dimensional stability, and is widely used in the fields of home appliances, electronic appliances, offices, automobiles, and the like. However, ABS resin has good rigidity and high surface hardness, so that the hard bang can be felt by touching with hands, the touch feeling is poor, and a strong plastic feeling is brought to people. Meanwhile, ABS resin has very high glossiness, and the high glossiness of the surface can further strengthen the plastic texture from the visual sense.
At present, there are many methods for eliminating the texture of ABS plastics and endowing ABS resin with good touch effect. The common method is to spray a layer of rubber paint on an ABS product, cover the surface with soft rubber paint, cover the hard plastic feeling of the ABS resin per se, and obtain the soft and exquisite skin-like touch effect. However, the rubber paint spraying cost is increased, the processing technology is complex, defective products often occur, and the processing time is long, so that the production efficiency is influenced.
The prior art discloses a super-matte PA/ABS alloy material with good hand feeling and a preparation method thereof, the super-matte PA/ABS alloy material is prepared from PA resin, ABS resin, a thermoplastic elastomer, a lubricant, a flatting agent and other components in a certain ratio, and the alloy material with low glossiness is obtained, but the touch feeling of the material is still poor.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects and shortcomings that the conventional ABS material cannot have low gloss and good touch at the same time, and provides the ABS material with low gloss and good touch.
Still another object of the present invention is to provide a method for preparing an ABS material having low gloss and good touch.
Another object of the present invention is to provide the use of an ABS material having a low gloss and a good tactile impression.
The above purpose of the invention is realized by the following technical scheme:
a low-gloss ABS material with good touch feeling comprises the following components in parts by weight:
60-96 parts of ABS resin;
2-30 parts of a thermoplastic elastomer;
0.5-5 parts of a lubricant;
the melt flow rate of the ABS resin at 220 ℃ under 10kg is more than or equal to 25g/10 min;
the thermoplastic elastomer is a multi-element graft copolymer with one end grafted with organic silicon and/or epoxy group and the other end grafted with acrylic ester and/or styrene.
The ABS material of the invention takes ABS as a resin matrix, adopts high-fluidity ABS to keep better fluidity of the material, and adds specific thermoplastic elastomer and lubricant, thereby obtaining low glossiness and reducing appearance defects, and simultaneously, the surface hardness of the material can be obviously reduced, so that the material obtains obvious soft touch and proper dynamic friction coefficient to obtain good touch.
Preferably, the composition comprises the following components in parts by weight:
73-85 parts of ABS resin;
10-25 parts of a thermoplastic elastomer;
1-3 parts of a lubricant.
Preferably, the melt flow rate of the ABS resin at 220 ℃ and 10kg is 25-51 g/10 min.
The melt flow rate of the ABS resin is determined according to the test standard GB/T3682-2018.
The thermoplastic elastomer of the invention selects acrylate and/or styrene graft polymer, one end of the acrylate and/or styrene can have good compatibility with ABS, and the epoxy group and/or organic silicon grafted at the other end can obviously reduce the surface hardness of the material, so that the material obtains obvious soft touch.
The thermoplastic elastomer is one or more of acrylate-styrene-organosilicon, acrylate-epoxy-organosilicon, acrylate-ethylene-epoxy and acrylate-ethylene-octene-epoxy. More preferably, the thermoplastic elastomer is an acrylate-ethylene-epoxy or acrylate-styrene-silicone.
Preferably, the lubricant is one or more of a stearic acid amide lubricant, a stearic acid metal salt lubricant or a silicone lubricant. More preferably, the lubricant is a silicone-based lubricant.
The stearamide lubricants include, but are not limited to, ethylene bis stearamide. The metal stearate based lubricant includes, but is not limited to, zinc stearate. The silicone-based lubricant includes, but is not limited to, a dispersion of a polysiloxane in an acrylonitrile-butadiene-styrene copolymer.
Preferably, the ABS material of the invention further comprises a delustering agent. Further, the flatting agent is 1 to 5 parts by weight. The matting agent can further reduce the surface gloss of the material and eliminate the visual plastic texture. Meanwhile, the concave-convex feeling of the surface of the material is controlled, and a fine skin-like touch effect is formed.
The flatting agent is silicon-containing inorganic particles and/or a cross-linked polymer.
The silicon-containing inorganic particles are one or more of silicate, diatomite, wollastonite and silicon dioxide.
The crosslinked polymer of the invention is crosslinked PMMA and/or crosslinked SAN.
The ABS material of the invention also comprises other auxiliary agents. Further, the other auxiliary agents are 0.2 to 5 parts by weight. The other auxiliary agents are one or more of an antioxidant, a filler or a coloring agent.
The antioxidant is one or more of hindered phenol antioxidant, phosphite antioxidant or thioester antioxidant.
The filler of the present invention includes, but is not limited to, one or more of alumina, carbon black, clay, zirconium phosphate, kaolin, calcium carbonate, copper, diatomite, graphite, mica, silica, titanium dioxide, zeolite, talc powder, wollastonite, glass beads, and glass powder.
The preparation method of the ABS material with low gloss and good touch comprises the following steps:
weighing ABS resin, thermoplastic elastomer and lubricant according to a proportion, uniformly mixing, adding the mixture together with the ABS resin if a delustering agent and an additive exist, and extruding and granulating to obtain the ABS material with low gloss and good touch.
The invention also protects the application of the ABS material with low gloss and good touch feeling in ABS products used in the fields of electronic appliances, offices or automobiles.
Compared with the prior art, the invention has the beneficial effects that:
the thermoplastic elastomer of the invention selects acrylate and/or styrene graft polymer, one end of the acrylate and/or styrene can have good compatibility with ABS, and the epoxy group and/or organic silicon grafted at the other end can obviously reduce the surface hardness of the material, so that the material obtains obvious soft touch. The ABS material provided by the invention has low gloss and good touch, and can be widely applied to the fields of electronic appliances, offices, automobiles and the like.
Detailed Description
The present invention will be further described with reference to specific embodiments, but the present invention is not limited to the examples in any way. The starting reagents employed in the examples of the present invention are, unless otherwise specified, those that are conventionally purchased.
The raw materials used in the examples and comparative examples were as follows:
ABS resin A: at 220 ℃, the melt flow rate of 10kg is 51g/10min, the mark is ABS DG-MG94, Tianjin staphylea chemical company Limited;
ABS resin B: at 220 ℃, the melt flow rate of 10kg is 25g/10min, the mark is ABS DG-417, Tianjin staphylea chemical company Limited;
ABS resin C: melt flow rate of 10kg at 220 ℃ of 10/10min, ABS DG-MG29, Tianjin Staphylol chemical Co., Ltd;
ABS resin D: the melt flow rate of 10kg at 220 ℃ is 60/10min, the trade mark is ABS D670XX, the manufacturer is national Joe petrochemical company Limited in Taiwan;
thermoplastic elastomer A: acrylate-ethylene-epoxy, PTW, dupont, usa;
thermoplastic elastomer B: acrylate-epoxy-silicone, brand TP906D, shanghai gush materials technology ltd;
thermoplastic elastomer C: POE, designation POE ENGAGE 8137, dow chemistry;
thermoplastic elastomer D: acrylate-styrene-silicone, brand TP908S, shanghai gush materials technology ltd;
thermoplastic elastomer E: styrene-ethylene-epoxy, designation POG-2, chemical ltd, zhayai wangtong;
the matting agent A: crosslinked SAN, commercially available, the following examples and comparative examples all use the same brand.
A flatting agent B: wollastonite, commercially available, the following examples and comparative examples all have the same brand.
And lubricant A: silicone, commercially available, the following examples and comparative examples all use the same brand.
And lubricant B: zinc stearate, commercially available, the following examples and comparative examples all used the same brand.
Examples and comparative examples
TABLE 1 Components and parts by weight thereof for the examples
TABLE 2 Components in respective proportions and weights thereof
The preparation method of the above examples and comparative examples comprises the following steps:
weighing the components according to the proportion, putting the ABS resin, the thermoplastic elastomer, the delustering agent (if any) and the lubricant into a high-speed mixer for uniform mixing, and extruding and granulating by an extruder, wherein the rotation speed of a screw is 500rpm, the temperature of each section of the screw of the extruder is sequentially set to be 80-100 ℃ in the first zone, 180 ℃ in the second zone, 190-.
Performance testing
1. Test method
(1) Flexural modulus: the test speed is 2mm/min according to the standard test of GB/T9341-2008 'determination of plastic bending property'. Wherein the flexural modulus is better when the flexural modulus is more than 1500MPa, the flexural modulus is more than 1300-1500 MPa, and the flexural modulus is worse when the flexural modulus is less than 1300 MPa.
(2) Notched izod impact strength: according to the standard test of GB/T1843-1996 Plastic cantilever beam impact test, type A notch, 23 ℃, 50% humidity. Wherein the impact strength is more than 18kJ/m2Is good, 18 to 10kJ/m2Is generally less than 10kJ/m2Is a difference.
(3) Surface gloss: the ABS material is injected into a square plate by a high-gloss mold, and then the gloss is tested by a surface gloss instrument according to GB/T8807-1988 plastic mirror surface gloss test method at an angle of 60 degrees. Wherein less than 20% is low gloss.
(4) Rockwell hardness: the test samples were 6mm thick discs with a diameter, measured according to GB/T230.1-2004 "Rockwell hardness test method".
(5) Coefficient of dynamic friction: the test was carried out according to ASTM D1894-2014 Standard test methods for static and dynamic coefficients of Friction of Plastic films and sheets. The coefficient of dynamic friction should be controlled to 0.12-0.23, and if too high, a noticeable harshness may result. If it is too low, the smooth feeling is too good, and the soft feeling is hardly masked, so that only the smooth feeling is exhibited.
(6) Skin feel evaluation: the skin feel of the sample is mainly influenced by the dynamic friction coefficient and the Rockwell hardness, and the dynamic friction coefficient is controlled to be 0.12-0.23 and the Rockwell hardness is controlled to be lower than 80 to achieve proper skin feel. Skin feel evaluation was also performed using the tactile panel to verify. The method comprises the following specific steps: the feeling after touching the sample was evaluated by using 5 trained and screened persons as judges of the tactile group, mainly by sliding the finger on the surface of the sample with moderate force. Grade 1 represents smooth and soft touch of the skin, grade 5 represents astringent and hard touch, grade 2-4 represents different grades of change from smooth and soft to astringent and hard, and grade 1-5 sequentially corresponds to best, better, moderate, worse and very poor skin touch. The evaluation results of 5 individuals were averaged, and the average was rounded off as the evaluation result. The skin feel of the present invention is at least moderate and above, i.e., grade 3 and below.
2. Test results
TABLE 3 results of Performance test of each example and comparative example
From the test results in table 3, it can be seen that in examples 1 to 13 of the present invention, by introducing a thermoplastic elastomer having a specific structure into a high-fluidity ABS resin, the soft skin feel of the material can be significantly improved without affecting the mechanical properties. Meanwhile, the lubricant is introduced, so that the dynamic friction coefficient of the material can be obviously reduced, and the material is endowed with smooth skin feeling. The addition of the flatting agent can reduce the surface gloss of the material and avoid bringing a hard plastic feeling in vision. However, from the results of comparative example 1, it is clear that the pure ABS has very poor skin feel effects. Comparative example 2 shows that the mere addition of POE thermoplastic elastomer results in poor compatibility with ABS resin, and consequently poor impact properties. As can be seen from comparative example 3, if the amount of the thermoplastic elastomer is too large, the flexural modulus is poor. Comparative example 4 shows that the material had a large coefficient of dynamic friction without adding a lubricant, and had a harsh feeling, which adversely affected the skin feeling effect. From comparative example 5, it is known that the melt flow rate of ABS is too low, resulting in uneven surface roughness of the material, an increased coefficient of dynamic friction, and an adverse effect on skin feel.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An ABS material with low gloss and good touch is characterized by comprising the following components in parts by weight:
60-96 parts of ABS resin;
2-30 parts of a thermoplastic elastomer;
0.5-5 parts of a lubricant;
the melt flow rate of the ABS resin at 220 ℃ under 10kg is more than or equal to 25g/10 min;
the thermoplastic elastomer is a multipolymer with one end grafted with organic silicon and/or epoxy group and the other end grafted with acrylic ester and/or styrene.
2. The low gloss, good tactile ABS material according to claim 1, characterized by comprising the following components in parts by weight:
73-85 parts of ABS resin;
10-25 parts of a thermoplastic elastomer;
1-3 parts of a lubricant.
3. The low-gloss good-touch ABS material according to claim 1, wherein the melt flow rate of the ABS resin at 220 ℃ and 10kg is 25-51 g/10 min.
4. The low gloss, good touch ABS material of claim 1 wherein the thermoplastic elastomer is one or more of acrylate-styrene-silicone, acrylate-epoxy-silicone, acrylate-ethylene-epoxy, acrylate-ethylene-octene-epoxy.
5. The low gloss, good touch ABS material of claim 1 wherein the lubricant is one or more of stearamide type lubricants, metal stearate type lubricants or silicone type lubricants.
6. The low gloss, good touch ABS material of claim 1 further comprising a matting agent.
7. The low gloss, good touch ABS material of claim 6 wherein the matting agent is silicon-containing inorganic particles and/or a cross-linked polymer.
8. The low gloss, good touch ABS material of claim 1 further comprising one or more of flame retardants, antioxidants, fillers or colorants.
9. A process for preparing a low gloss, good touch ABS material according to any of claims 1 to 8, characterized by the following steps:
weighing ABS resin, thermoplastic elastomer and lubricant according to a proportion, uniformly mixing, adding the mixture together with the ABS resin if a delustering agent or other additives exist, and extruding and granulating to obtain the ABS material with low gloss and good touch.
10. Use of the low gloss, good touch ABS material according to any of claims 1 to 8 in ABS articles for electronic appliances, office or automotive applications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111372395.4A CN114395210A (en) | 2021-11-18 | 2021-11-18 | ABS material with low gloss and good touch feeling, and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111372395.4A CN114395210A (en) | 2021-11-18 | 2021-11-18 | ABS material with low gloss and good touch feeling, and preparation method and application thereof |
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| CN114395210A true CN114395210A (en) | 2022-04-26 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0303782A2 (en) * | 1987-08-18 | 1989-02-22 | Sumitomo Dow Limited | Resin Composition |
| JPH04255751A (en) * | 1991-02-07 | 1992-09-10 | Nippon Oil & Fats Co Ltd | Thermoplastic resin composition |
| JPH10337758A (en) * | 1997-06-10 | 1998-12-22 | Nippon Steel Chem Co Ltd | Glass fiber-reinforced resin molding and its manufacture |
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| CN103965578A (en) * | 2014-05-23 | 2014-08-06 | 青岛中新华美塑料有限公司 | Extinctive PC/ABS (Poly Carbonate/Acrylonitrile Butadiene Styrene) plastic alloy and manufacturing method thereof |
| CN106696112A (en) * | 2016-12-02 | 2017-05-24 | 金发科技股份有限公司 | Preparation method for styrene composition for good-touch ultrahigh-luster building blocks and prepared styrene composition |
| CN109181263A (en) * | 2018-07-25 | 2019-01-11 | 天津金发新材料有限公司 | A kind of low VOC low gloss PC/ABS alloy material |
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2021
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| EP0303782A2 (en) * | 1987-08-18 | 1989-02-22 | Sumitomo Dow Limited | Resin Composition |
| JPH04255751A (en) * | 1991-02-07 | 1992-09-10 | Nippon Oil & Fats Co Ltd | Thermoplastic resin composition |
| JPH10337758A (en) * | 1997-06-10 | 1998-12-22 | Nippon Steel Chem Co Ltd | Glass fiber-reinforced resin molding and its manufacture |
| CN102786768A (en) * | 2012-08-09 | 2012-11-21 | 南京金杉汽车工程塑料有限责任公司 | Low-glossiness ABS (acrylonitrile butadiene styrene) resin and preparation method of low-glossiness ABS resin |
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