CN111534060A - Reinforced flame-retardant PBT/PET alloy and preparation method thereof - Google Patents
Reinforced flame-retardant PBT/PET alloy and preparation method thereof Download PDFInfo
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- CN111534060A CN111534060A CN202010438662.2A CN202010438662A CN111534060A CN 111534060 A CN111534060 A CN 111534060A CN 202010438662 A CN202010438662 A CN 202010438662A CN 111534060 A CN111534060 A CN 111534060A
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 239000003063 flame retardant Substances 0.000 title claims abstract description 69
- 239000000956 alloy Substances 0.000 title claims abstract description 31
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000003365 glass fiber Substances 0.000 claims abstract description 27
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 19
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 19
- 150000002148 esters Chemical class 0.000 claims abstract description 19
- 239000000314 lubricant Substances 0.000 claims abstract description 19
- 239000002667 nucleating agent Substances 0.000 claims abstract description 19
- 239000003381 stabilizer Substances 0.000 claims abstract description 19
- 239000004970 Chain extender Substances 0.000 claims abstract description 18
- 239000003112 inhibitor Substances 0.000 claims abstract description 18
- 239000003607 modifier Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 15
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 14
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 claims description 14
- -1 pentabromobenzyl Chemical group 0.000 claims description 13
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 12
- 239000008187 granular material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 6
- 239000008116 calcium stearate Substances 0.000 claims description 6
- 235000013539 calcium stearate Nutrition 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 6
- TXQVDVNAKHFQPP-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO TXQVDVNAKHFQPP-UHFFFAOYSA-N 0.000 claims description 5
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 claims description 5
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 4
- 239000012170 montan wax Substances 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- LCFVJGUPQDGYKZ-UHFFFAOYSA-N Bisphenol A diglycidyl ether Chemical compound C=1C=C(OCC2OC2)C=CC=1C(C)(C)C(C=C1)=CC=C1OCC1CO1 LCFVJGUPQDGYKZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- 239000003345 natural gas Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- YMIUHIAWWDYGGU-UHFFFAOYSA-N 1,2,3,4,5-pentabromo-6-[2,3,5,6-tetrabromo-4-(2,3,4,5,6-pentabromophenoxy)phenoxy]benzene Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC(C(=C1Br)Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br YMIUHIAWWDYGGU-UHFFFAOYSA-N 0.000 claims description 2
- YATIGPZCMOYEGE-UHFFFAOYSA-N 1,3,5-tribromo-2-[2-(2,4,6-tribromophenoxy)ethoxy]benzene Chemical compound BrC1=CC(Br)=CC(Br)=C1OCCOC1=C(Br)C=C(Br)C=C1Br YATIGPZCMOYEGE-UHFFFAOYSA-N 0.000 claims description 2
- BDFBPPCACYFGFA-UHFFFAOYSA-N 2,4,6-tris(2,4,6-tribromophenoxy)-1,3,5-triazine Chemical compound BrC1=CC(Br)=CC(Br)=C1OC1=NC(OC=2C(=CC(Br)=CC=2Br)Br)=NC(OC=2C(=CC(Br)=CC=2Br)Br)=N1 BDFBPPCACYFGFA-UHFFFAOYSA-N 0.000 claims description 2
- NDMARPMDNRJSNY-UHFFFAOYSA-N 2-tert-butyl-4-ethyl-5-methylphenol Chemical compound CCC1=CC(C(C)(C)C)=C(O)C=C1C NDMARPMDNRJSNY-UHFFFAOYSA-N 0.000 claims description 2
- VEORPZCZECFIRK-UHFFFAOYSA-N 3,3',5,5'-tetrabromobisphenol A Chemical compound C=1C(Br)=C(O)C(Br)=CC=1C(C)(C)C1=CC(Br)=C(O)C(Br)=C1 VEORPZCZECFIRK-UHFFFAOYSA-N 0.000 claims description 2
- AIBRSVLEQRWAEG-UHFFFAOYSA-N 3,9-bis(2,4-ditert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP1OCC2(COP(OC=3C(=CC(=CC=3)C(C)(C)C)C(C)(C)C)OC2)CO1 AIBRSVLEQRWAEG-UHFFFAOYSA-N 0.000 claims description 2
- DYIZJUDNMOIZQO-UHFFFAOYSA-N 4,5,6,7-tetrabromo-2-[2-(4,5,6,7-tetrabromo-1,3-dioxoisoindol-2-yl)ethyl]isoindole-1,3-dione Chemical compound O=C1C(C(=C(Br)C(Br)=C2Br)Br)=C2C(=O)N1CCN1C(=O)C2=C(Br)C(Br)=C(Br)C(Br)=C2C1=O DYIZJUDNMOIZQO-UHFFFAOYSA-N 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
- 239000004801 Chlorinated PVC Substances 0.000 claims description 2
- 229920000877 Melamine resin Polymers 0.000 claims description 2
- 239000007983 Tris buffer Substances 0.000 claims description 2
- 150000001718 carbodiimides Chemical class 0.000 claims description 2
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 claims 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 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 2
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims description 2
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- XLUBVTJUEUUZMR-UHFFFAOYSA-B silicon(4+);tetraphosphate Chemical compound [Si+4].[Si+4].[Si+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XLUBVTJUEUUZMR-UHFFFAOYSA-B 0.000 claims description 2
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 2
- 235000010234 sodium benzoate Nutrition 0.000 claims description 2
- 239000004299 sodium benzoate Substances 0.000 claims description 2
- LRSNDFOWYYKLHB-UHFFFAOYSA-N tris(2,3-dibromophenyl) phosphate Chemical compound BrC1=CC=CC(OP(=O)(OC=2C(=C(Br)C=CC=2)Br)OC=2C(=C(Br)C=CC=2)Br)=C1Br LRSNDFOWYYKLHB-UHFFFAOYSA-N 0.000 claims description 2
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 2
- WPMYUUITDBHVQZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical compound CC(C)(C)C1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-N 0.000 claims 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims 1
- 229920000058 polyacrylate Polymers 0.000 claims 1
- 239000012855 volatile organic compound Substances 0.000 abstract description 7
- 238000005286 illumination Methods 0.000 abstract description 4
- 229920003225 polyurethane elastomer Polymers 0.000 abstract description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 10
- 238000012545 processing Methods 0.000 description 7
- OKOBUGCCXMIKDM-UHFFFAOYSA-N Irganox 1098 Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)NCCCCCCNC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 OKOBUGCCXMIKDM-UHFFFAOYSA-N 0.000 description 5
- 238000005452 bending Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 238000004154 testing of material Methods 0.000 description 5
- 239000004408 titanium dioxide Substances 0.000 description 5
- 238000004383 yellowing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- GRKDVZMVHOLESV-UHFFFAOYSA-N (2,3,4,5,6-pentabromophenyl)methyl prop-2-enoate Chemical compound BrC1=C(Br)C(Br)=C(COC(=O)C=C)C(Br)=C1Br GRKDVZMVHOLESV-UHFFFAOYSA-N 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 239000007977 PBT buffer Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- 239000004014 plasticizer Substances 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000005809 transesterification reaction Methods 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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (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 a reinforced flame-retardant PBT/PET alloy and a preparation method thereof, wherein the reinforced flame-retardant PBT/PET alloy comprises the following components in parts by weight: 60-70 parts of PBT; 30-40 parts by weight of PET; 30-80 parts by weight of glass fiber; 10-15 parts by weight of a flame retardant; 2-3 parts of a compatilizer; 5-10 parts of a modifier; 0.3-1 part by weight of a nucleating agent; 0.2-0.4 part by weight of antioxidant; 0.15-0.25 parts by weight of a lubricant; 0.15-0.35 parts by weight of a stabilizer; 0.15-0.3 parts by weight of an ester inhibitor; the chain extender accounts for 0.15-0.3 part by weight, and the polyurethane elastomer has the characteristics of stable mechanical property, low cost, low VOC (volatile organic compounds), high heat-resistant temperature, high wear resistance, high strength, creep resistance, fatigue resistance, high glossiness, high fluidity, high stability, long service life and the like, and can be widely applied to the fields of automobiles, household appliances, illumination and the like.
Description
Technical Field
The invention relates to the technical field of high polymer material processing, in particular to a reinforced flame-retardant PBT/PET alloy widely used in the fields of automobiles, household appliances and illumination and a preparation method thereof.
Background
At present, in the fields of automobiles, household appliances and lighting, because PBT and modified materials thereof have the characteristics of high strength, high hardness, high gloss, low creep and the like, the PBT and the modified materials thereof are widely applied, the production of the PBT and the modified materials thereof generally adopts a parallel and same-direction building block type extruder, a screw rod and a barrel body adopt a building block type structure, the PBT and the modified materials thereof have good interchangeability, the PBT and the modified materials thereof can be randomly combined and used according to different material processing technologies, the length-diameter ratio of the extruder generally adopts L/D (L/D) of 36-44, auxiliary agent side feeding is adopted, a natural exhaust port is a fifth section of charging barrel, a side feeding port is a sixth section of charging barrel, and a.
With the development of technology, people have higher and higher requirements on the performance of PBT modified materials, and meanwhile, the pressure of cost also forces changes, in this situation, PBT/PET alloy materials with better performance come into play, but how to balance the performance in the existing PBT/PET modified technology becomes a difficult problem, so that the performance is more outstanding and optimized.
Patent CN201010590221.0 (high gloss low warpage glass fiber reinforced PET/PBT alloy and its preparation method) proposes a method for preparing high gloss low warpage alloy molding using PBT, PET, compatibilizer, nucleating agent, glass fiber, and processing aid as main body, but this method cannot solve the problems of transesterification and molding stability during molding.
Patent CN201210373016.8 (glass fiber reinforced PBT/PET alloy material) proposes a molding method using PBT, PET, glass fiber, plasticizer, lubricant, antioxidant, and stabilizer as main body, which also solves the problem of ester exchange and molding stability, and has a great influence on mechanical properties.
Neither of the two technologies provides flame retardant performance requirements and corresponding formulation designs, and the application of the material is greatly limited.
Disclosure of Invention
The invention aims to solve the technical problem of providing a reinforced flame-retardant PBT/PET alloy with stable mechanical property, low cost, low VOC, high heat-resistant temperature, high wear resistance, high strength, creep resistance, fatigue resistance, high glossiness, high fluidity, high stability, long service life and flame-retardant property and a preparation method thereof.
In order to solve the technical problems, the technical scheme of the invention is as follows: the reinforced flame-retardant PBT/PET alloy comprises the following components in parts by weight:
60-70 parts of PBT; 30-40 parts by weight of PET; 30-80 parts by weight of glass fiber; 10-15 parts by weight of a flame retardant; 2-3 parts of a compatilizer; 5-10 parts of a modifier; 0.3-1 part by weight of a nucleating agent; 0.2-0.4 part by weight of antioxidant; 0.15-0.25 parts by weight of a lubricant; 0.15-0.35 parts by weight of a stabilizer; 0.15-0.3 parts by weight of an ester inhibitor; the weight of the chain extender is 0.15-0.3.
As a preferable technical scheme, the intrinsic viscosity of the PBT is less than or equal to 0.82DL/g, and the intrinsic viscosity of the PET is less than or equal to 0.8 DL/g.
Preferably, the glass fiber is non-silane impregnated alkali-free glass fiber with the wire diameter of 13-14 mu m.
According to a preferable technical scheme, the flame retardant is divided into a main flame retardant and an auxiliary flame retardant, and the ratio of the main flame retardant to the auxiliary flame retardant is 3: (0.8 to 1.2).
As a preferable technical scheme, the main flame retardant is one or more of bisphenol a diglycidyl ether, brominated polystyrene, 2,4, 6-tris (2,4, 6-tribromophenoxy) -1,3, 5-triazine, phenoxy tetrabromobisphenol a carbonate oligomer, 1, 2-bis (2,4, 6-tribromophenoxy) ethane, tris (dibromophenyl) phosphate, 1,2,4, 5-tetrabromo-3, 6-bis (pentabromophenoxy) benzene, 1, 2-bis (tetrabromophthalimide) ethane and polyacrylic acid pentabromobenzyl ester; the auxiliary flame retardant is one or a combination of antimony trioxide and zinc borate.
As a preferred technical scheme, the compatilizer is one of PP-g-MAH, POE-g-MAH, PE-g-GMA and SEBS-g-MAH, and the grafting ratio is more than or equal to 0.8%.
As a preferable technical scheme, the modifier is one of CPE and CPVC with a flame retardant effect.
Preferably, the antioxidant is 1, 1, 3-tris (2-methyl-4-hydroxy-5-tert-butylphenyl) ethane, pentaerythrityl tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], octadecyl beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, N, one or more of N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexanediamine or tris [2, 4-di-tert-butylphenyl ] phosphite, bis (2, 4-di-tert-butylphenyl) pentaerythritol diphosphite and 1, 2-bis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl ] hydrazine are compounded; the lubricant is one of pentaerythritol stearate and montan wax; the nucleating agent is one of talcum powder, precipitated barium sulfate, montmorillonite and sodium benzoate; the stabilizer is one or more of calcium stearate, barium stearate and zinc stearate.
As a preferred technical scheme, the ester inhibitor is one of carbodiimide, triphenyl phosphite and organic silicon phosphate; the chain extender is one of glycidyl ester type epoxy resin and etherified melamine.
Also provides a preparation method of the reinforced flame-retardant PBT/PET alloy, which comprises the following steps:
step one, weighing and mixing the flame retardant, the modifier, the nucleating agent, the antioxidant, the stabilizer, the lubricant, the ester inhibitor and the chain extender according to the proportion of the formula, mixing for 5min, and discharging for later use;
weighing and mixing the PBT, the PET and the compatilizer according to the formula dosage proportion, and continuously mixing the materials for 3-5 min after the mixing temperature reaches 85 ℃ for later use;
step three, placing a specified amount of the glass fibers into a natural exhaust port for later use;
setting the heating temperature of the main machine to 200-245 ℃, starting a circulating water pump after the main machine is heated to reach the specified temperature, and adjusting the temperature of the granulator;
putting the mixed flame retardant, the modifier, the nucleating agent, the antioxidant, the stabilizer, the lubricant, the ester inhibitor and the chain extender into a side feeding hopper, and putting the mixed PBT, PET and the compatilizer into a main hopper;
sixthly, starting a main machine to feed after the granulator is kept at the constant temperature for 30min, and starting a feeding motor to feed when the rotating speed of the main machine reaches 80 rad/min;
seventhly, adding a part of the glass fiber after the material is extruded out of a machine head die, and simultaneously opening vacuum, wherein the vacuum degree is more than or equal to 0.6 MPa;
step eight, increasing the rotating speed of the main machine and the feeding rotating speed, drawing the extruded material strips from the machine head die, and delivering the granulated material from the outlet of the vibrating screen through a cooling water tank, an air knife, a granulator and the vibrating screen;
step nine, further adjusting the rotating speed of the host to 420-; adding all the glass fibers with the specified dosage through a natural gas outlet;
step ten, adjusting the speed of the granulator to be matched with the speed of extruding the material strips from the extrusion die, cutting off the granules, entering a vibrating screen, entering a homogenizing bin through the vibrating screen, taking out the granules from the homogenizing bin, inspecting and packaging to obtain a finished product.
Due to the adoption of the technical scheme, the reinforced flame-retardant PBT/PET alloy comprises the following components in parts by weight: 60-70 parts of PBT; 30-40 parts by weight of PET; 30-80 parts by weight of glass fiber; 10-15 parts by weight of a flame retardant; 2-3 parts of a compatilizer; 5-10 parts of a modifier; 0.3-1 part by weight of a nucleating agent; 0.2-0.4 part by weight of antioxidant; 0.15-0.25 parts by weight of a lubricant; 0.15-0.35 parts by weight of a stabilizer; 0.15-0.3 parts by weight of an ester inhibitor; the chain extender accounts for 0.15-0.3 part by weight, and the polyurethane elastomer has the characteristics of stable mechanical property, low cost, low VOC (volatile organic compounds), high heat-resistant temperature, high wear resistance, high strength, creep resistance, fatigue resistance, high glossiness, high fluidity, high stability, long service life and the like, and can be widely applied to the fields of automobiles, household appliances, illumination and the like.
Detailed Description
The invention is further illustrated by the following examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention.
The first embodiment is as follows:
the reinforced flame-retardant PBT/PET alloy comprises the following components in parts by weight:
70 parts of PBT, wherein the intrinsic viscosity of the PBT is less than or equal to 0.82 DL/g;
30 parts of PET, wherein the intrinsic viscosity of the PET is less than or equal to 0.8 DL/g;
glass fiber having a diameter of 13 μm,43 parts by weight.
13 parts of brominated polystyrene serving as a main flame retardant, and 4 parts of antimony trioxide serving as an auxiliary flame retardant.
3 parts of compatilizer SEBS-g-MAH;
modifier, CPE, 5 weight portions;
0.6 part by weight of nucleating agent, precipitated barium sulfate;
0.15 part by weight of antioxidant N, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexamethylenediamine; 0.15 part by weight of tris [ 2.4-di-tert-butylphenyl ] phosphite;
0.2 part by weight of lubricant pentaerythritol stearate;
stabilizer, calcium stearate, 0.1 weight portion; 0.06 part by weight of zinc stearate;
ester inhibitor, triphenyl phosphite, 0.15 parts by weight;
0.15 part by weight of chain extender and glycidyl ester type epoxy resin;
in order to prevent yellowing, 0.21 part by weight of titanium dioxide is also added.
The material is processed according to the following steps:
step one, weighing and mixing the flame retardant, the modifier, the nucleating agent, the antioxidant, the stabilizer, the lubricant, the ester inhibitor and the chain extender according to the proportion of the formula, mixing for 5min, and discharging for later use;
weighing and mixing the PBT, the PET and the compatilizer according to the formula dosage proportion, and continuously mixing the materials for 3-5 min after the mixing temperature reaches 85 ℃ for later use;
step three, placing a specified amount of the glass fibers into a natural exhaust port for later use;
setting the heating temperature of the main machine to 200-245 ℃, starting a circulating water pump after the main machine is heated to reach a specified temperature, and adjusting the temperature of the granulator according to the temperature shown in the following table 1;
TABLE 1 temperature setting parameters for each temperature zone of the granulator
Putting the mixed flame retardant, the modifier, the nucleating agent, the antioxidant, the stabilizer, the lubricant, the ester inhibitor and the chain extender into a side feeding hopper, and putting the mixed PBT, PET and the compatilizer into a main hopper;
sixthly, starting a main machine to feed after the granulator is kept at the constant temperature for 30min, and starting a feeding motor to feed when the rotating speed of the main machine reaches 80 rad/min; in the process, the current change of the main machine is observed so as to adjust the rotating speed of the feeding motor to be matched with the rotating speed of the main machine.
Seventhly, adding a part of the glass fiber after the material is extruded out of a machine head die, and simultaneously opening vacuum, wherein the vacuum degree is more than or equal to 0.6 MPa;
step eight, increasing the rotating speed of the main machine and the feeding rotating speed, drawing the extruded material strips from the machine head die, and delivering the granulated material from the outlet of the vibrating screen through a cooling water tank, an air knife, a granulator and the vibrating screen;
step nine, further adjusting the rotating speed of the host to 420-; adding all the glass fibers with the specified dosage through a natural gas outlet;
step ten, adjusting the speed of the granulator to be matched with the speed of extruding the material strips from the extrusion die, cutting off the granules, entering a vibrating screen, entering a homogenizing bin through the vibrating screen, taking out the granules from the homogenizing bin, inspecting and packaging to obtain a finished product.
The performance parameters of the product obtained after processing according to the steps are shown in the table 2:
| material testing performance | Numerical value |
| Tensile strength | 98.15 |
| Elongation at break | 1.46 |
| Impact strength of simply supported beam notch | 6.18 |
| Bending strength | 128.63 |
| Flexural modulus | 7418 |
| Flame retardancy (UL941.6mm) | V-0 |
| Density of | 1.516 |
| Heat distortion temperature | 161.1 |
Table 2 product performance parameters of example one
Example two:
on the basis of the first embodiment, the preparation method is unchanged, and the reinforced flame-retardant PBT/PET alloy comprises the following components in parts by weight:
60 parts of PBT, wherein the intrinsic viscosity of the PBT is less than or equal to 0.82 DL/g;
40 parts of PET, wherein the intrinsic viscosity of the PET is less than or equal to 0.8 DL/g;
glass fiber having a diameter of 13 μm,43 parts by weight.
13 parts of brominated polystyrene serving as a main flame retardant, and 4 parts of antimony trioxide serving as an auxiliary flame retardant.
3 parts of compatilizer SEBS-g-MAH;
modifier, CPE, 5 weight portions;
0.6 part by weight of nucleating agent, precipitated barium sulfate;
0.15 part by weight of antioxidant N, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexamethylenediamine; 0.15 part by weight of tris [ 2.4-di-tert-butylphenyl ] phosphite;
0.2 part by weight of lubricant pentaerythritol stearate;
stabilizer, calcium stearate, 0.1 weight portion; 0.06 part by weight of zinc stearate;
ester inhibitor, triphenyl phosphite, 0.15 parts by weight;
0.15 part by weight of chain extender and glycidyl ester type epoxy resin;
in order to prevent yellowing, 0.21 part by weight of titanium dioxide is also added.
The product performance parameters obtained after processing according to the procedure of example one are shown in table 3:
| material testing performance | Numerical value |
| Tensile strength | 101.22 |
| Elongation at break | 1.75 |
| Impact strength of simply supported beam notch | 6.24 |
| Bending strength | 142.74 |
| Flexural modulus | 8188 |
| Flame retardancy (UL 941).6mm) | V-0 |
| Density of | 1.51 |
| Heat distortion temperature | 187.2 |
TABLE 3 product Performance parameters of example two
Example three:
on the basis of the first embodiment, the preparation method is unchanged, and the reinforced flame-retardant PBT/PET alloy comprises the following components in parts by weight:
70 parts of PBT, wherein the intrinsic viscosity of the PBT is less than or equal to 0.82 DL/g;
30 parts of PET, wherein the intrinsic viscosity of the PET is less than or equal to 0.8 DL/g;
glass fiber having a diameter of 13 μm in 53 parts by weight.
The flame retardant comprises 11 parts by weight of a main flame retardant, namely, pentabromobenzyl acrylate, and 3.5 parts by weight of an auxiliary flame retardant, namely antimony trioxide.
2.5 parts by weight of compatilizer PE-g-GMA;
modifier, CPE, 8 weight portions;
0.6 part by weight of nucleating agent, precipitated barium sulfate;
0.15 part by weight of antioxidant N, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexamethylenediamine; 0.15 part by weight of tris [ 2.4-di-tert-butylphenyl ] phosphite;
0.21 parts by weight of lubricant, montan wax;
stabilizer, calcium stearate, 0.1 weight portion; 0.08 part by weight of barium stearate; 0.05 part by weight of zinc stearate;
ester inhibitor, triphenyl phosphite, 0.15 parts by weight;
0.15 part by weight of chain extender and glycidyl ester type epoxy resin;
in order to prevent yellowing, 0.21 part by weight of titanium dioxide is also added.
The product performance parameters obtained after processing according to the procedure of example one are shown in table 4:
| material testing performance | Numerical value |
| Tensile strength | 117.32 |
| Elongation at break | 1.45 |
| Impact strength of simply supported beam notch | 8.34 |
| Bending strength | 162.06 |
| Flexural modulus | 9672 |
| Flame retardancy (UL941.6mm) | V-0 |
| Density of | 1.588 |
| Heat distortion temperature | 212 |
TABLE 4 product Performance parameters of EXAMPLE III
Example four:
on the basis of the first embodiment, the preparation method is unchanged, and the reinforced flame-retardant PBT/PET alloy comprises the following components in parts by weight:
60 parts of PBT, wherein the intrinsic viscosity of the PBT is less than or equal to 0.82 DL/g;
40 parts of PET, wherein the intrinsic viscosity of the PET is less than or equal to 0.8 DL/g;
glass fiber having a diameter of 13 μm in 53 parts by weight.
The flame retardant comprises 11 parts by weight of a main flame retardant, namely, pentabromobenzyl acrylate, and 3.5 parts by weight of an auxiliary flame retardant, namely antimony trioxide.
2.5 parts by weight of compatilizer PE-g-GMA;
modifier, CPE, 8 weight portions;
0.6 part by weight of nucleating agent, precipitated barium sulfate;
0.15 part by weight of antioxidant N, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexamethylenediamine; 0.15 part by weight of tris [ 2.4-di-tert-butylphenyl ] phosphite;
0.21 parts by weight of lubricant, montan wax;
stabilizer, calcium stearate, 0.1 weight portion; 0.08 part by weight of barium stearate; 0.05 part by weight of zinc stearate;
ester inhibitor, triphenyl phosphite, 0.15 parts by weight;
0.15 part by weight of chain extender and glycidyl ester type epoxy resin;
in order to prevent yellowing, 0.21 part by weight of titanium dioxide is also added.
The product performance parameters obtained after processing according to the procedure of example one are shown in table 5:
| material testing performance | Numerical value |
| Tensile strength | 122.3 |
| Elongation at break | 2.44 |
| Impact strength of simply supported beam notch | 8.78 |
| Bending strength | 187.24 |
| Flexural modulus | 11560 |
| Flame retardancy (UL941.6mm) | V-0 |
| Density of | 1.544 |
| Heat distortion temperature | 214.5 |
TABLE 5 product Performance parameters of example four
Example five:
on the basis of the first embodiment, the preparation method is unchanged, and the reinforced flame-retardant PBT/PET alloy comprises the following components in parts by weight:
60 parts of PBT, wherein the intrinsic viscosity of the PBT is less than or equal to 0.82 DL/g;
40 parts of PET, wherein the intrinsic viscosity of the PET is less than or equal to 0.8 DL/g;
glass fiber, diameter of wire 13 μm,80 parts by weight.
The flame retardant comprises 10 parts by weight of bisphenol A diglycidyl ether as a main flame retardant and 3.3 parts by weight of antimony trioxide as an auxiliary flame retardant.
2.5 parts by weight of compatilizer PE-g-GMA;
1 part by weight of nucleating agent and montmorillonite;
0.15 part by weight of antioxidant N, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexamethylenediamine; 0.15 part by weight of tris [ 2.4-di-tert-butylphenyl ] phosphite;
lubricant, pentaerythritol stearate, 0.25 parts by weight;
stabilizer, barium stearate, 0.15 weight portion
Ester inhibitor, triphenyl phosphite, 0.15 parts by weight;
0.15 part by weight of chain extender and glycidyl ester type epoxy resin;
in order to prevent yellowing, 0.21 part by weight of titanium dioxide is also added.
The product performance parameters obtained after processing according to the procedure of example one are shown in table 6:
| material testing performance | Numerical value |
| Tensile strength | 124.29 |
| Elongation at break | 0.88 |
| Impact strength of simply supported beam notch | 8.59 |
| Bending strength | 201.97 |
| Flexural modulus | 13661.93 |
| Flame retardancy (UL941.6mm) | V-0 |
| Density of | 1.716 |
| Heat distortion temperature | 217 |
TABLE 6 product Performance parameters of EXAMPLE five
In summary, the beneficial effects of the present invention are achieved by adopting the mixture ratios of five different components in the above five embodiments, and the component formulas of the five embodiments are summarized as follows, as shown in table 7:
TABLE 7 composition ratio of five examples
The following summary of the performance parameters of the products prepared from the component formulations of the five examples is given in Table 8
TABLE 8 product Performance parameters of five examples
Due to the adoption of the technical scheme, the reinforced flame-retardant PBT/PET alloy and the preparation method thereof are provided. The reinforced flame-retardant PBT/PET alloy comprises, by mass, 60-70 parts of PBT, 30-40 parts of PET, 30-80 parts of glass fiber, 10-15 parts of flame retardant, 2-3 parts of compatilizer, 5-10 parts of modifier, 0.3-1 part of nucleating agent, 0.2-0.4 part of antioxidant, 0.15-0.25 part of lubricant, 0.15-0.35 part of stabilizer, 0.15-0.3 part of ester inhibitor and 0.15-0.3 part of chain extender. The reinforced flame-retardant PBT/PET alloy prepared by the invention has the characteristics of stable mechanical property, low cost, low VOC (volatile organic compound), high heat-resistant temperature, high wear resistance, high strength, creep resistance, fatigue resistance, high glossiness, high fluidity, high stability, long service life and the like, and can be widely applied to the fields of automobiles, household appliances, illumination and the like.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The reinforced flame-retardant PBT/PET alloy is characterized by comprising the following components in parts by weight:
60-70 parts of PBT; 30-40 parts by weight of PET; 30-80 parts by weight of glass fiber; 10-15 parts by weight of a flame retardant; 2-3 parts of a compatilizer; 5-10 parts of a modifier; 0.3-1 part by weight of a nucleating agent; 0.2-0.4 part by weight of antioxidant; 0.15-0.25 parts by weight of a lubricant; 0.15-0.35 parts by weight of a stabilizer; 0.15-0.3 parts by weight of an ester inhibitor; the weight of the chain extender is 0.15-0.3.
2. The reinforced flame-retardant PBT/PET alloy of claim 1, wherein the PBT has an intrinsic viscosity of 0.82DL/g or less, and the PET has an intrinsic viscosity of 0.8DL/g or less.
3. The reinforced flame-retardant PBT/PET alloy according to claim 1, wherein the glass fiber is a non-silane-impregnated alkali-free glass fiber with a wire diameter of 13-14 μm.
4. The reinforced flame-retardant PBT/PET alloy according to claim 1, wherein the flame retardant is divided into a main flame retardant and an auxiliary flame retardant, and the ratio of the main flame retardant to the auxiliary flame retardant is 3: (0.8 to 1.2).
5. The reinforced flame-retardant PBT/PET alloy of claim 4, wherein the primary flame retardant is one or more of bisphenol A diglycidyl ether, brominated polystyrene, 2,4, 6-tris (2,4, 6-tribromophenoxy) -1,3, 5-triazine, phenoxy tetrabromobisphenol A carbonate oligomer, 1, 2-bis (2,4, 6-tribromophenoxy) ethane, tris (dibromophenyl) phosphate, 1,2,4, 5-tetrabromo-3, 6-bis (pentabromophenoxy) benzene, 1, 2-bis (tetrabromophthalimide) ethane, and pentabromobenzyl polyacrylate; the auxiliary flame retardant is one or a combination of antimony trioxide and zinc borate.
6. The reinforced flame-retardant PBT/PET alloy as recited in claim 1, wherein the compatibilizer is one of PP-g-MAH, POE-g-MAH, PE-g-GMA and SEBS-g-MAH, and the grafting ratio is not less than 0.8%.
7. The reinforced flame retardant PBT/PET alloy of claim 1, wherein the modifier is one of CPE and CPVC with flame retardant effect.
8. The reinforced flame-retardant PBT/PET alloy of claim 1, the antioxidant is one or more of 1, 1, 3-tris (2-methyl-4-hydroxy-5-tert-butylphenyl) ethane, tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid octadecyl ester, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexanediamine or tris [2, 4-di-tert-butylphenyl ] phosphite, bis (2, 4-di-tert-butylphenyl) pentaerythritol diphosphite, and 1, 2-bis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl ] hydrazine; the lubricant is one of pentaerythritol stearate and montan wax; the nucleating agent is one of talcum powder, precipitated barium sulfate, montmorillonite and sodium benzoate; the stabilizer is one or more of calcium stearate, barium stearate and zinc stearate.
9. The reinforced flame-retardant PBT/PET alloy of claim 1, wherein the ester inhibitor is one of carbodiimide, triphenyl phosphite, and organic silicon phosphate; the chain extender is one of glycidyl ester type epoxy resin and etherified melamine.
10. The process for the preparation of the reinforced flame retardant PBT/PET alloy according to any of claims 1 to 9, comprising the steps of:
step one, weighing and mixing the flame retardant, the modifier, the nucleating agent, the antioxidant, the stabilizer, the lubricant, the ester inhibitor and the chain extender according to the proportion of the formula, mixing for 5min, and discharging for later use;
weighing and mixing the PBT, the PET and the compatilizer according to the formula dosage proportion, and continuously mixing the materials for 3-5 min after the mixing temperature reaches 85 ℃ for later use;
step three, placing a specified amount of the glass fibers into a natural exhaust port for later use;
setting the heating temperature of the main machine to 200-245 ℃, starting a circulating water pump after the main machine is heated to reach the specified temperature, and adjusting the temperature of the granulator;
putting the mixed flame retardant, the modifier, the nucleating agent, the antioxidant, the stabilizer, the lubricant, the ester inhibitor and the chain extender into a side feeding hopper, and putting the mixed PBT, PET and the compatilizer into a main hopper;
sixthly, starting a main machine to feed after the granulator is kept at the constant temperature for 30min, and starting a feeding motor to feed when the rotating speed of the main machine reaches 80 rad/min;
seventhly, adding a part of the glass fiber after the material is extruded out of a machine head die, and simultaneously opening vacuum, wherein the vacuum degree is more than or equal to 0.6 MPa;
step eight, increasing the rotating speed of the main machine and the feeding rotating speed, drawing the extruded material strips from the machine head die, and delivering the granulated material from the outlet of the vibrating screen through a cooling water tank, an air knife, a granulator and the vibrating screen;
step nine, further adjusting the rotating speed of the host to 420-; adding all the glass fibers with the specified dosage through a natural gas outlet;
step ten, adjusting the speed of the granulator to be matched with the speed of extruding the material strips from the extrusion die, cutting off the granules, entering a vibrating screen, entering a homogenizing bin through the vibrating screen, taking out the granules from the homogenizing bin, inspecting and packaging to obtain a finished product.
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| CN102070884A (en) * | 2010-12-15 | 2011-05-25 | 深圳市富恒塑胶新材料有限公司 | Fire resistant glass fiber reinforced polyethylene terephthalate/polybutylece terephthalate alloy and preparation method thereof |
| CN104341748A (en) * | 2013-07-30 | 2015-02-11 | 青岛欣展塑胶有限公司 | Flame-retardant reinforced PBT/PET alloy and its preparation method |
| CN104725794A (en) * | 2013-12-24 | 2015-06-24 | 青岛万力科技有限公司 | Glass-fiber-reinforced flame-retardant PBT-PET alloy |
| CN104592722A (en) * | 2015-02-03 | 2015-05-06 | 上海日之升新技术发展有限公司 | High-luster low-warpage glass fiber reinforced PBT/PP (Polybutylene Terephthalate/Polypropylene) alloy and preparation method thereof |
| CN109385053A (en) * | 2018-09-18 | 2019-02-26 | 吴立国 | Low warpage high-strength anti-flaming PBT composition of high heat resistance and preparation method thereof |
| CN109486136A (en) * | 2018-12-12 | 2019-03-19 | 广东圆融新材料有限公司 | PBT/PET alloy material and preparation method thereof |
| CN110452502A (en) * | 2019-07-19 | 2019-11-15 | 深圳市高科塑化有限公司 | A kind of good appearance high heat resistance polyester composite of low warpage and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116864185A (en) * | 2023-06-25 | 2023-10-10 | 苏州宇盛电子有限公司 | Insulating material of polyester three-layer insulating stranded wire |
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