CN116041870A - SAS/PBAT composite material and preparation method and application thereof - Google Patents
SAS/PBAT composite material and preparation method and application thereof Download PDFInfo
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- CN116041870A CN116041870A CN202211707004.4A CN202211707004A CN116041870A CN 116041870 A CN116041870 A CN 116041870A CN 202211707004 A CN202211707004 A CN 202211707004A CN 116041870 A CN116041870 A CN 116041870A
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- 229920001896 polybutyrate Polymers 0.000 title claims abstract description 46
- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 19
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 14
- 229920012128 methyl methacrylate acrylonitrile butadiene styrene Polymers 0.000 claims abstract description 9
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 14
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 13
- 230000003078 antioxidant effect Effects 0.000 claims description 11
- 239000000155 melt Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000000314 lubricant Substances 0.000 claims description 6
- 239000002667 nucleating agent Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 25
- 238000012360 testing method Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- -1 (2, 4-di-tert-butyl) phenyl Chemical group 0.000 description 4
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 4
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical class [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 3
- 238000012512 characterization method Methods 0.000 description 3
- 239000004611 light stabiliser Substances 0.000 description 3
- XOFYZVNMUHMLCC-ZPOLXVRWSA-N prednisone Chemical compound O=C1C=C[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 XOFYZVNMUHMLCC-ZPOLXVRWSA-N 0.000 description 3
- AXKZIDYFAMKWSA-UHFFFAOYSA-N 1,6-dioxacyclododecane-7,12-dione Chemical compound O=C1CCCCC(=O)OCCCCO1 AXKZIDYFAMKWSA-UHFFFAOYSA-N 0.000 description 2
- WSQZNZLOZXSBHA-UHFFFAOYSA-N 3,8-dioxabicyclo[8.2.2]tetradeca-1(12),10,13-triene-2,9-dione Chemical compound O=C1OCCCCOC(=O)C2=CC=C1C=C2 WSQZNZLOZXSBHA-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical group CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 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 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- NJHVXCSESBEOEB-UHFFFAOYSA-N (2,6-ditert-butyl-4-methylphenyl) dihydrogen phosphite Chemical compound CC1=CC(C(C)(C)C)=C(OP(O)O)C(C(C)(C)C)=C1 NJHVXCSESBEOEB-UHFFFAOYSA-N 0.000 description 1
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- 239000005947 Dimethoate Substances 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 229920003232 aliphatic polyester Polymers 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- BZDKYAZTCWRUDZ-UHFFFAOYSA-N buta-1,3-diene;methyl 2-methylprop-2-enoate;prop-2-enenitrile;styrene Chemical compound C=CC=C.C=CC#N.COC(=O)C(C)=C.C=CC1=CC=CC=C1 BZDKYAZTCWRUDZ-UHFFFAOYSA-N 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- DYUMLJSJISTVPV-UHFFFAOYSA-N phenyl propanoate Chemical compound CCC(=O)OC1=CC=CC=C1 DYUMLJSJISTVPV-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-N terephthalic acid group Chemical group C(C1=CC=C(C(=O)O)C=C1)(=O)O KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 1
- 229940124543 ultraviolet light absorber Drugs 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 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
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/08—Copolymers of styrene
- C08L25/12—Copolymers of styrene with unsaturated nitriles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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 relates to an SAS/PBAT composite material, a preparation method and application thereof, and the components comprise: SAS resin, PBAT resin, MABS, PMMA, processing aid. The SAS/PBAT composite material has excellent heat resistance, weather resistance and toughness.
Description
Technical Field
The invention belongs to the field of modified plastics, and particularly relates to an SAS/PBAT composite material and a preparation method and application thereof.
Background
SAS is a styrene-acrylonitrile-silicone copolymer, which combines the excellent properties of three functional groups, has excellent thermal properties, good weather resistance, rich functional groups, and good compatibility with various resins. However, the elastomer content is not high, so that the toughness is not high, which limits the application range.
The PBAT resin is a copolymer of butylene adipate and butylene terephthalate. The PBAT is used as an excellent biodegradable material, has good degradability of aliphatic polyester and excellent mechanical property of aromatic polyester, has flexibility of long methylene chain and an aromatic ring structure, has good impact resistance and ductility, and also has good heat resistance and impact performance. However, oxygen-containing groups are prone to generate free radicals, which have the disadvantage of poor weather resistance and present a certain risk for use in outdoor products.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an SAS/PBAT composite material and a preparation method and application thereof.
The invention discloses an SAS/PBAT composite material, which comprises the following components in parts by weight:
wherein the acrylonitrile mass percentage content in the SAS is 19-31%, an elemental analyzer is used for testing the nitrogen content, and the acrylonitrile content is calculated;
the quality content of acrylonitrile can influence the heat resistance of the material, and the polarity of the material can be influenced at the same time, and the higher the quality content of acrylonitrile, the better the heat resistance and the greater the polarity.
The PMMA has a melt index of 0.8-2.0g/10min at 230 ℃ and 3.8KG, and is tested according to the test standard GB/T
3682-2000.
Wherein SAS resin: styrene-acrylonitrile-silicone copolymer; PBAT resin: a copolymer of butylene adipate and butylene terephthalate; MABS: methyl methacrylate-acrylonitrile-butadiene-styrene copolymer; PMMA: polymethyl methacrylate.
Preferably, the MABS has a melt index of 20-25g/10min at 220℃and 10KG, as measured according to test Standard ISO 1133-1997.
Preferably, the acrylonitrile mass percentage in the SAS is 20-30%.
Preferably, the content of T in the PBAT resin is 30-70wt%, wherein T refers to the ratio of terephthalic acid chain segments to PBAT, and the content of aromatic benzene rings is calculated by 1H-NMR nuclear magnetic resonance measurement.
Further preferably, the weight percentage of T in the PBAT resin is 50-60wt%.
Preferably, the PMMA has a melt index of 1-1.2g/10min at 230 ℃ and 3.8 KG.
Preferably, the processing aid is one or more of a nucleating agent, an antioxidant, a lubricant and a weather-proof agent.
Preferably, the nucleating agent is nano talcum powder.
Preferably, the antioxidants include hindered phenol based primary antioxidants and phosphite based secondary antioxidants.
Further, preferably, the hindered phenol primary antioxidant is one or more of pentaerythritol tetrakis (3, 5-di-tert-butyl-4-hydroxy) phenylpropionate (RIANOX 1010) and n-stearyl 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate (RIANOX 1076); the phosphite auxiliary antioxidant is one or more of tri (2, 4-di-tert-butyl) phenyl phosphite (RIANOX 168) and cyclic quaternary pentane tetra-di (2, 6-di-tert-butyl-4-methylphenyl phosphite) (PEP-36).
Preferably, the lubricant is at least one of stearates (e.g., calcium stearate, zinc stearate), polyethylenes (polyethylene waxes), esters (e.g., montan esters, stearates), paraffins, or amides (e.g., EBS amides, erucamides). Preferably, the weathering agent is one or both of benzotriazole-based light stabilizers (e.g., ultraviolet light absorber UV-329), hindered amine-based light stabilizers (e.g., light stabilizer UV-770).
Preferably, the components comprise, by weight:
the preparation method of the SAS/PBAT composite material comprises the following steps:
weighing the components according to the parts by weight, uniformly mixing, feeding the components from a main feeding port of an extruder, and melting, extruding and granulating the raw materials in the extruder to obtain the SAS/PBAT composite material.
The processing conditions of the extruder melt extrusion are as follows: the temperature of the first area is 190-210 ℃, the temperature of the second area is 190-210 ℃, the temperature of the third area is 195-215 ℃, the temperature of the fourth area is 195-220 ℃, the temperature of the fifth area is 195-225 ℃, the temperature of the sixth area is 195-225 ℃, the temperature of the seventh area is 195-225 ℃, the temperature of the eighth area is 190-225 ℃, the temperature of the ninth area is 190-230 ℃, and the rotating speed of the host is 250-360 revolutions per minute.
The invention relates to an application of the SAS/PBAT composite material in a motor housing, such as a motor housing product of a high-power mower for outdoor use.
The SAS/PBAT composite material is preferably blended by the SAS resin with moderate acrylonitrile content and the PBAT resin with moderate T content, and has better compatibility due to better polarity matching of chain segments, more stable melt during shearing and blending, higher reaction efficiency after MABS and PMMA with specific melt indexes capable of reacting with PBAT are added. PMMA is selected as a low-melting type, the viscosity of the PMMA is higher, the processing matching degree of the PBAT with the preferable T content ratio is higher, PMMA can react with PBAT to generate more intermediate products, the composite material is compatibilized, and the composite material can show better heat resistance, weather resistance and toughness. Both MABS and PMMA have a synergistic effect by containing a methyl methacrylate component.
Advantageous effects
The SAS/PBAT composite material can exert better weather-proof effect and can meet the requirement that the product is exposed to sunlight for a long time outdoors; meanwhile, the good heat-resistant effect can meet the use scene that high-power products are easy to generate more heat; the material also has better toughness, and can meet the requirement that the product parts are not easy to crack when being used in a cold environment in winter. The composite material can meet the application environment of outdoor low temperature, sunlight and heat generation.
Detailed Description
The invention will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents are intended to fall within the scope of the claims appended hereto.
1. Raw material source
SAS resin-1, brand: TW-15G, (acrylonitrile mass content 30%) manufacturer: UMG company;
SAS resin-2, brand: s351, (acrylonitrile mass content is 20%) manufacturer: UMG company;
SAS resin-3, brand: E259B (acrylonitrile mass content is 17%), manufacturer: UMG company;
SAS resin-4, brand: TW-21H, (acrylonitrile mass content 33%) manufacturer: UMG company;
PBAT resin-1: a610, T50 wt%, purchased from Jinshengmbh;
PBAT resin-2: a402, T60 wt%, purchased from Jinshengmbh;
PBAT resin-3: a404, T70 wt%, from Jinshengmbh;
PBAT resin-4: a405, T30 wt%, purchased from Jinshengmbh;
MABS-1: PA-758R, low melt index, melt index 20g/10min (220 ℃,10 KG), available from Qimei
Chemical company;
MABS-2: TX-0520K, low melt index, melt index of 22g/10min (220 ℃,10 KG), purchased from Dimethoate
Chemical company;
MABS-3: PA-758, high melt index, 30g/10min (220 ℃,10 KG), available from Qimei
Chemical company;
ABS: ABS 121H, available from LG chemistry;
PMMA-1: LP-1, low melt index, melt index of 1.1g/10min (230 ℃,3.8 KG), available from Asahi chemical
A company;
PMMA-2: CM-205, low melt index, melt index 1.8g/10min (230 ℃,3.8 KG), commercially available from Qiyi
A chemical company;
PMMA-3: MGX, medium melt index, 5g/10min (230 ℃,3.8 KG) from Nippon Denshoku
Friend company;
PMMA melt index test Standard GB/T3682-2000.
Processing aid: the mass ratio of the nucleating agent to the antioxidant to the lubricant to the weather-resistant agent is 3:3:3:5.
Nucleating agent: nano talcum powder and HTP05L;
an antioxidant: primary antioxidant RIANOX 1010, secondary antioxidant RIANOX 168, and primary antioxidant and secondary antioxidant in a mass ratio of 1:2;
and (3) a lubricant: EBS B50;
weather-resistant agent: RIASORB UV-329,RIASORB UV770 with a mass ratio of 1:1;
the nucleating agent, antioxidant, lubricant and weathering agent used in the parallel examples and comparative examples are the same commercial products.
2. Preparation methods of examples and comparative examples
Weighing the components according to the parts by weight, uniformly mixing, feeding the components from a main feeding port of an extruder, and melting, extruding and granulating the raw materials in the extruder to obtain the SAS/PBAT composite material.
The processing conditions of the extruder melt extrusion are as follows: the temperature of the first area is 190-210 ℃, the temperature of the second area is 190-210 ℃, the temperature of the third area is 195-215 ℃, the temperature of the fourth area is 195-220 ℃, the temperature of the fifth area is 195-225 ℃, the temperature of the sixth area is 195-225 ℃, the temperature of the seventh area is 195-225 ℃, the temperature of the eighth area is 190-225 ℃, the temperature of the ninth area is 190-230 ℃, and the rotating speed of the host is 250-360 revolutions per minute.
3. Test criteria and methods
The weather resistance quantitative characterization method comprises the following steps:
test before aging: the L, a and b values of the material injection-molded color plate are measured by a color meter.
Post-aging testing: the injection molded panels were subjected to ultraviolet aging treatment for 168 hours according to ISO4892.3 2016 condition 1, and the L, a and b values of the panels were measured by a color meter.
The color difference delta E is calculated by the difference of 3 values before and after aging, and the specific formula is as follows: Δe= [ (Δl) 2 +(△a*) 2 +(△b*) 2 ] 1/2 The smaller the color difference Δe, the better the weather resistance.
The toughness quantification characterization method comprises the following steps: the notched impact strength of the cantilever beam is tested according to ISO 180-2000, and the notched type: typeA is placed at the temperature of minus 15 ℃ for 4 hours, and is tested after being taken out, and the larger the impact strength value is, the better the toughness is;
a heat resistance quantitative characterization method; the heat-distortion temperature is tested, the test is carried out according to ISO 75-1-2013, the load is 1.8MPa, and the larger the heat-distortion temperature value is, the better the heat resistance is.
Table 1 proportion (parts by weight) of examples
Table 2 comparative examples ratio (parts by weight)
Raw material name | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 | Comparative example 6 | Comparative example 7 |
SAS resin-1 | 70 | 70 | 70 | 70 | 70 | ||
SAS resin-3 | 70 | ||||||
SAS resin-4 | 70 | ||||||
PBAT resin-1 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
MABS-1 | 10 | 10 | 10 | 10 | |||
MABS-3 | 10 | ||||||
ABS | 10 | ||||||
PMMA-1 | 5 | 5 | 5 | 5 | 5 | ||
PMMA-3 | 5 | ||||||
Processing aid | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 |
Table 3 performance effect data for examples and comparative examples
Detecting items | Temperature of thermal deformation | Impact Strength | Color difference delta E |
Unit (B) | ℃ | KJ/m2 | - |
Example 1 | 86 | 15.4 | 0.4 |
Example 2 | 80 | 10.5 | 1.2 |
Example 3 | 83 | 13.1 | 0.6 |
Example 4 | 83 | 10.3 | 1.4 |
Example 5 | 84 | 10.4 | 1.5 |
Example 6 | 83 | 13.6 | 0.5 |
Example 7 | 80 | 11.1 | 1.1 |
Example 8 | 82 | 12.7 | 1.2 |
Example 9 | 81 | 12.9 | 1.3 |
Example 10 | 79 | 12.2 | 1.8 |
Example 11 | 80 | 10.4 | 1.4 |
Comparative example 1 | 74 | 9.5 | 2.8 |
Comparative example 2 | 76 | 9.1 | 2.7 |
Comparative example 3 | 77 | 8.4 | 2.5 |
Comparative example 4 | 74 | 10.2 | 3.5 |
Comparative example 5 | 73 | 4.5 | 3.2 |
Comparative example 6 | 72 | 6.5 | 4.2 |
Comparative example 7 | 75 | 8.7 | 1.6 |
The data in Table 3 shows that the heat distortion temperature of the SAS/PBAT composite material prepared by each embodiment of the invention is more than 79 ℃, and the impact strength is more than 10KJ/m 2 The color difference delta E is less than 1.8, and simultaneously, the high weather resistance, heat resistance and high toughness properties are satisfied.
The results of comparative examples 1-2 show that the SAS resin with lower or higher acrylonitrile mass content is selected to be blended with the PBAT resin, and because the chain segment polarity is not matched, the melt is unstable during shearing blending, even if MABS and PMMA which can react with the PBAT are added to play a two-phase compatibility role, the reaction efficiency is lower, and the corresponding assessment performance index condition of the prepared SAS/PBAT composite material is still poorer; the result of comparative example 3 and comparative example 1 shows that PMMA resin selected by PMMA-1 has small melt index, larger viscosity and higher PBAT processing matching degree under the preferable T content proportion, PMMA can react with PBAT to generate more intermediate products, the composite material is compatibilized, and the composite material can show better performance index.
Comparative example 4 comparative example 1 shows that ABS, which does not contain methyl methacrylate segments, does not work synergistically with PMMA (methyl methacrylate polymer) and that the composite properties are not ideal. Comparative examples 5-6 comparative example 1, the results demonstrate that the addition of MABS and PMMA alone does not achieve the effect of fusing the SAS/PMMA composite and does not achieve a synergistic effect.
Claims (9)
2. The SAS/PBAT composite material of claim 1 wherein the acrylonitrile mass content in the SAS is 20-30%.
3. The SAS/PBAT composite material of claim 1 wherein the PBAT resin has a T content of 30 to 70wt%.
4. The SAS/PBAT composite of claim 1 wherein the MABS has a melt index of 20-25g/10min at 220 ℃ and 10 KG.
5. The SAS/PBAT composite of claim 1 wherein the PMMA has a melt index of 1 to 1.2g/10min at 230 ℃ at 3.8 KG.
6. The SAS/PBAT composite material of claim 1 wherein the processing aid is one or more of a nucleating agent, an antioxidant, a lubricant, and a weathering agent.
8. a method of making the SAS/PBAT composite material of claim 1 comprising:
weighing the components according to the parts by weight, uniformly mixing, feeding the components from a main feeding port of an extruder, and melting, extruding and granulating the raw materials in the extruder to obtain the SAS/PBAT composite material.
9. Use of the SAS/PBAT composite material of any of claims 1 to 7 in a motor housing.
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Citations (3)
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JP2015134864A (en) * | 2014-01-16 | 2015-07-27 | 三菱化学株式会社 | Thermoplastic resin composition, and molded product using the same |
CN106090593A (en) * | 2016-06-17 | 2016-11-09 | 金发科技股份有限公司 | A kind of self-reinforcing profile shapes and its preparation method and application |
CN112745619A (en) * | 2020-12-22 | 2021-05-04 | 金发科技股份有限公司 | Reinforced and toughened AES/PBAT alloy material and preparation method and application thereof |
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JP2015134864A (en) * | 2014-01-16 | 2015-07-27 | 三菱化学株式会社 | Thermoplastic resin composition, and molded product using the same |
CN106090593A (en) * | 2016-06-17 | 2016-11-09 | 金发科技股份有限公司 | A kind of self-reinforcing profile shapes and its preparation method and application |
CN112745619A (en) * | 2020-12-22 | 2021-05-04 | 金发科技股份有限公司 | Reinforced and toughened AES/PBAT alloy material and preparation method and application thereof |
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