CN101376683A - 一种高熔体强度聚丙烯的制备方法 - Google Patents
一种高熔体强度聚丙烯的制备方法 Download PDFInfo
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- CN101376683A CN101376683A CNA2008100512432A CN200810051243A CN101376683A CN 101376683 A CN101376683 A CN 101376683A CN A2008100512432 A CNA2008100512432 A CN A2008100512432A CN 200810051243 A CN200810051243 A CN 200810051243A CN 101376683 A CN101376683 A CN 101376683A
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- Prior art keywords
- polypropylene
- melt strength
- propylene
- oxidation inhibitor
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- -1 polypropylene Polymers 0.000 title claims abstract description 106
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 102
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 102
- 238000002360 preparation method Methods 0.000 title claims description 20
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 31
- 239000000178 monomer Substances 0.000 claims abstract description 29
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000002156 mixing Methods 0.000 claims abstract description 21
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000012990 dithiocarbamate Substances 0.000 claims abstract description 15
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 150000002978 peroxides Chemical class 0.000 claims abstract description 5
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 50
- 239000003112 inhibitor Substances 0.000 claims description 38
- 230000003647 oxidation Effects 0.000 claims description 38
- 238000007254 oxidation reaction Methods 0.000 claims description 38
- 239000000843 powder Substances 0.000 claims description 34
- MZGNSEAPZQGJRB-UHFFFAOYSA-N dimethyldithiocarbamic acid Chemical compound CN(C)C(S)=S MZGNSEAPZQGJRB-UHFFFAOYSA-N 0.000 claims description 28
- YKTNISGZEGZHIS-UHFFFAOYSA-N 2-$l^{1}-oxidanyloxy-2-methylpropane Chemical group CC(C)(C)O[O] YKTNISGZEGZHIS-UHFFFAOYSA-N 0.000 claims description 22
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 claims description 17
- 229920005629 polypropylene homopolymer Polymers 0.000 claims description 16
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 claims description 14
- 238000005453 pelletization Methods 0.000 claims description 12
- 239000012752 auxiliary agent Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 6
- GZBSIABKXVPBFY-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)propane-1,3-diol;prop-2-enoic acid Chemical compound OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.OCC(CO)(CO)CO GZBSIABKXVPBFY-UHFFFAOYSA-N 0.000 claims description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 4
- 150000001768 cations Chemical class 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052755 nonmetal Inorganic materials 0.000 claims description 4
- 239000002530 phenolic antioxidant Substances 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- OKIRBHVFJGXOIS-UHFFFAOYSA-N 1,2-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=CC=C1C(C)C OKIRBHVFJGXOIS-UHFFFAOYSA-N 0.000 claims description 2
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 claims description 2
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 claims description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 2
- QSRJVOOOWGXUDY-UHFFFAOYSA-N 2-[2-[2-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoyloxy]ethoxy]ethoxy]ethyl 3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C)=CC(CCC(=O)OCCOCCOCCOC(=O)CCC=2C=C(C(O)=C(C)C=2)C(C)(C)C)=C1 QSRJVOOOWGXUDY-UHFFFAOYSA-N 0.000 claims description 2
- PMAAOHONJPSASX-UHFFFAOYSA-N 2-butylperoxypropan-2-ylbenzene Chemical group CCCCOOC(C)(C)C1=CC=CC=C1 PMAAOHONJPSASX-UHFFFAOYSA-N 0.000 claims description 2
- GTELLNMUWNJXMQ-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;prop-2-enoic acid Chemical class OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.CCC(CO)(CO)CO GTELLNMUWNJXMQ-UHFFFAOYSA-N 0.000 claims description 2
- HXIQYSLFEXIOAV-UHFFFAOYSA-N 2-tert-butyl-4-(5-tert-butyl-4-hydroxy-2-methylphenyl)sulfanyl-5-methylphenol Chemical compound CC1=CC(O)=C(C(C)(C)C)C=C1SC1=CC(C(C)(C)C)=C(O)C=C1C HXIQYSLFEXIOAV-UHFFFAOYSA-N 0.000 claims description 2
- QRLSTWVLSWCGBT-UHFFFAOYSA-N 4-((4,6-bis(octylthio)-1,3,5-triazin-2-yl)amino)-2,6-di-tert-butylphenol Chemical compound CCCCCCCCSC1=NC(SCCCCCCCC)=NC(NC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=N1 QRLSTWVLSWCGBT-UHFFFAOYSA-N 0.000 claims description 2
- FIHBHSQYSYVZQE-UHFFFAOYSA-N 6-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound C=CC(=O)OCCCCCCOC(=O)C=C FIHBHSQYSYVZQE-UHFFFAOYSA-N 0.000 claims description 2
- OKJADYKTJJGKDX-UHFFFAOYSA-N Butyl pentanoate Chemical class CCCCOC(=O)CCCC OKJADYKTJJGKDX-UHFFFAOYSA-N 0.000 claims description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical group CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 2
- 101000648997 Homo sapiens Tripartite motif-containing protein 44 Proteins 0.000 claims description 2
- AXISYYRBXTVTFY-UHFFFAOYSA-N Isopropyl tetradecanoate Chemical compound CCCCCCCCCCCCCC(=O)OC(C)C AXISYYRBXTVTFY-UHFFFAOYSA-N 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 2
- 102100028017 Tripartite motif-containing protein 44 Human genes 0.000 claims description 2
- 239000005870 Ziram Substances 0.000 claims description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- XZKRXPZXQLARHH-UHFFFAOYSA-N buta-1,3-dienylbenzene Chemical compound C=CC=CC1=CC=CC=C1 XZKRXPZXQLARHH-UHFFFAOYSA-N 0.000 claims description 2
- 239000001273 butane Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- SPTHWAJJMLCAQF-UHFFFAOYSA-M ctk4f8481 Chemical compound [O-]O.CC(C)C1=CC=CC=C1C(C)C SPTHWAJJMLCAQF-UHFFFAOYSA-M 0.000 claims description 2
- YQHLDYVWEZKEOX-UHFFFAOYSA-N cumene hydroperoxide Chemical group OOC(C)(C)C1=CC=CC=C1 YQHLDYVWEZKEOX-UHFFFAOYSA-N 0.000 claims description 2
- 125000004386 diacrylate group Chemical group 0.000 claims description 2
- 238000007046 ethoxylation reaction Methods 0.000 claims description 2
- WHDGWKAJBYRJJL-UHFFFAOYSA-K ferbam Chemical compound [Fe+3].CN(C)C([S-])=S.CN(C)C([S-])=S.CN(C)C([S-])=S WHDGWKAJBYRJJL-UHFFFAOYSA-K 0.000 claims description 2
- 230000004927 fusion Effects 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052745 lead Inorganic materials 0.000 claims description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 2
- YDKNBNOOCSNPNS-UHFFFAOYSA-N methyl 1,3-benzoxazole-2-carboxylate Chemical compound C1=CC=C2OC(C(=O)OC)=NC2=C1 YDKNBNOOCSNPNS-UHFFFAOYSA-N 0.000 claims description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 2
- 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 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 2
- 229940059574 pentaerithrityl Drugs 0.000 claims description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 229910052711 selenium Inorganic materials 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- BOXSVZNGTQTENJ-UHFFFAOYSA-L zinc dibutyldithiocarbamate Chemical compound [Zn+2].CCCCN(C([S-])=S)CCCC.CCCCN(C([S-])=S)CCCC BOXSVZNGTQTENJ-UHFFFAOYSA-L 0.000 claims description 2
- RKQOSDAEEGPRER-UHFFFAOYSA-L zinc diethyldithiocarbamate Chemical compound [Zn+2].CCN(CC)C([S-])=S.CCN(CC)C([S-])=S RKQOSDAEEGPRER-UHFFFAOYSA-L 0.000 claims description 2
- KMNUDJAXRXUZQS-UHFFFAOYSA-L zinc;n-ethyl-n-phenylcarbamodithioate Chemical compound [Zn+2].CCN(C([S-])=S)C1=CC=CC=C1.CCN(C([S-])=S)C1=CC=CC=C1 KMNUDJAXRXUZQS-UHFFFAOYSA-L 0.000 claims description 2
- DUBNHZYBDBBJHD-UHFFFAOYSA-L ziram Chemical compound [Zn+2].CN(C)C([S-])=S.CN(C)C([S-])=S DUBNHZYBDBBJHD-UHFFFAOYSA-L 0.000 claims description 2
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000006731 degradation reaction Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 239000002671 adjuvant Substances 0.000 abstract 1
- 150000004659 dithiocarbamates Chemical class 0.000 abstract 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 80
- 238000002844 melting Methods 0.000 description 15
- 230000008018 melting Effects 0.000 description 15
- 238000011056 performance test Methods 0.000 description 14
- 238000001291 vacuum drying Methods 0.000 description 14
- 229920000178 Acrylic resin Polymers 0.000 description 11
- 239000004925 Acrylic resin Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 150000003254 radicals Chemical class 0.000 description 4
- 229920002521 macromolecule Polymers 0.000 description 3
- 239000012968 metallocene catalyst Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 238000005482 strain hardening Methods 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
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- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003856 thermoforming Methods 0.000 description 2
- 229960002447 thiram Drugs 0.000 description 2
- BJMJXSIAMINNIK-UHFFFAOYSA-N C(C=C)(=O)[O-].C(C=C)(=O)[O-].C(C=C)(=O)[O-].C[NH+](C)C.C[NH+](C)C.C[NH+](C)C Chemical compound C(C=C)(=O)[O-].C(C=C)(=O)[O-].C(C=C)(=O)[O-].C[NH+](C)C.C[NH+](C)C.C[NH+](C)C BJMJXSIAMINNIK-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000011954 Ziegler–Natta catalyst Substances 0.000 description 1
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 description 1
- 206010000269 abscess Diseases 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
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- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Laminated Bodies (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Description
序号 | 熔融指数(g/10min) | 熔体强度(cN) | 复合黏度(Pa.s) | 拉伸强度(MPa) | 断裂伸长率(%) | 凝胶含量(%) |
纯聚丙烯 | 7.2 | 2.0 | 16000 | 37 | 300 | 0 |
实施例1 | 31.1 | 1.6 | 2000 | 39 | 16 | 0 |
实施例2 | 5.6 | 8.7 | 14900 | 40 | 15 | 0.8 |
实施例3 | 20.4 | 2.1 | 3400 | 38 | 30 | 0 |
实施例4 | 4.8 | 10 | 21000 | 39 | 62 | 0 |
实施例5 | 2.4 | 17 | 25000 | 38 | 57 | 1.0 |
实施例6 | 2.2 | 18 | 26000 | 40 | 57 | 1.0 |
实施例7 | 4.3 | 12 | 23000 | 39 | 83 | 0 |
实施例8 | 0.7 | 26 | 30000 | 39 | 80 | 0.4 |
实施例9 | 0.4 | 30 | 40000 | 38 | 76 | 0.5 |
实施例10 | 0.2 | 36 | 48000 | 39 | 60 | 3.6 |
实施例11 | 2.5 | 16 | 24000 | 38 | 86 | 0 |
实施例12 | 0.3 | 34 | 35000 | 39 | 55 | 1.6 |
实施例13 | 0.8 | 27 | 31000 | 39 | 70 | 0.1 |
实施例14 | 0.5 | 35 | 39000 | 40 | 60 | 0.8 |
Claims (10)
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Cited By (14)
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CN101768242A (zh) * | 2010-02-10 | 2010-07-07 | 中国科学院长春应用化学研究所 | 一种高熔体强度聚丙烯熔体的制备方法 |
CN102558449A (zh) * | 2011-12-13 | 2012-07-11 | 金发科技股份有限公司 | 一种高熔体强度的聚丙烯材料及其制备方法与应用 |
CN102875892A (zh) * | 2012-09-07 | 2013-01-16 | 惠州市昌亿科技股份有限公司 | 一种由废旧聚丙烯材料制备的高性能聚丙烯合金及其制备方法和应用 |
CN103865176A (zh) * | 2012-12-10 | 2014-06-18 | 中国石油天然气股份有限公司 | 一种高熔体强度聚丙烯的制备方法 |
CN104592451A (zh) * | 2015-01-09 | 2015-05-06 | 贵州大学 | 高接枝率马来酸酐接枝聚丙烯材料及其制备方法 |
CN105440216A (zh) * | 2014-09-22 | 2016-03-30 | 中国石化扬子石油化工有限公司 | 一种高熔体强度聚丙烯及其制备方法 |
CN105866162A (zh) * | 2016-05-12 | 2016-08-17 | 山东东宏管业股份有限公司 | 一种聚乙烯熔垂性能测定试验方法 |
CN106084136A (zh) * | 2016-06-15 | 2016-11-09 | 潘海云 | 一种改性聚丙烯塑料管材及其制备方法 |
JPWO2015046259A1 (ja) * | 2013-09-27 | 2017-03-09 | 積水化成品工業株式会社 | 改質ポリプロピレン系樹脂、樹脂発泡体及び発泡樹脂製容器、及び、改質ポリプロピレン系樹脂の製造方法 |
CN107955109A (zh) * | 2017-11-29 | 2018-04-24 | 江苏恒峰线缆有限公司 | 丙烯、乙烯/1-丁烯接枝共聚物及其反应挤出制备方法 |
CN108570187A (zh) * | 2018-05-08 | 2018-09-25 | 广州科莱瑞迪医疗器材股份有限公司 | 一种假肢矫形器用聚丙烯板材及其制备方法 |
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