WO2006001076A1 - 熱可塑性セルロース系組成物、その製造方法及びその成形品 - Google Patents
熱可塑性セルロース系組成物、その製造方法及びその成形品 Download PDFInfo
- Publication number
- WO2006001076A1 WO2006001076A1 PCT/JP2004/009407 JP2004009407W WO2006001076A1 WO 2006001076 A1 WO2006001076 A1 WO 2006001076A1 JP 2004009407 W JP2004009407 W JP 2004009407W WO 2006001076 A1 WO2006001076 A1 WO 2006001076A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cellulose
- wood
- thermoplastic
- cyclic ester
- thermoplastic cellulose
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 28
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 25
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title abstract description 12
- 230000008569 process Effects 0.000 title abstract description 3
- 239000001913 cellulose Substances 0.000 claims abstract description 63
- 229920002678 cellulose Polymers 0.000 claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 42
- -1 cyclic ester Chemical class 0.000 claims abstract description 22
- 238000011282 treatment Methods 0.000 claims abstract description 15
- 238000007151 ring opening polymerisation reaction Methods 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims description 28
- 229920002601 oligoester Polymers 0.000 claims description 26
- 238000006116 polymerization reaction Methods 0.000 claims description 25
- 150000008065 acid anhydrides Chemical class 0.000 claims description 20
- 150000007519 polyprotic acids Polymers 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 9
- 238000007731 hot pressing Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 3
- 150000005846 sugar alcohols Polymers 0.000 claims description 3
- 238000000889 atomisation Methods 0.000 claims 1
- 238000013329 compounding Methods 0.000 claims 1
- 238000002203 pretreatment Methods 0.000 claims 1
- 239000002023 wood Substances 0.000 description 61
- 239000000047 product Substances 0.000 description 25
- 238000000465 moulding Methods 0.000 description 24
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 12
- 239000003054 catalyst Substances 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 12
- 239000013078 crystal Substances 0.000 description 11
- 238000000113 differential scanning calorimetry Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 8
- 238000002441 X-ray diffraction Methods 0.000 description 7
- 235000013312 flour Nutrition 0.000 description 7
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 6
- 239000004014 plasticizer Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 239000011260 aqueous acid Substances 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 229920000578 graft copolymer Polymers 0.000 description 4
- 238000010559 graft polymerization reaction Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005886 esterification reaction Methods 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 230000009477 glass transition Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000001338 self-assembly Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229920001747 Cellulose diacetate Polymers 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229920002522 Wood fibre Polymers 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000005280 amorphization Methods 0.000 description 2
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 2
- 229920000704 biodegradable plastic Polymers 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- IVDFJHOHABJVEH-UHFFFAOYSA-N pinacol Chemical compound CC(C)(O)C(C)(C)O IVDFJHOHABJVEH-UHFFFAOYSA-N 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000009717 reactive processing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 229940014800 succinic anhydride Drugs 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- IUTCEZPPWBHGIX-UHFFFAOYSA-N tin(2+) Chemical compound [Sn+2] IUTCEZPPWBHGIX-UHFFFAOYSA-N 0.000 description 2
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002025 wood fiber Substances 0.000 description 2
- MUTGBJKUEZFXGO-OLQVQODUSA-N (3as,7ar)-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione Chemical compound C1CCC[C@@H]2C(=O)OC(=O)[C@@H]21 MUTGBJKUEZFXGO-OLQVQODUSA-N 0.000 description 1
- KMOUUZVZFBCRAM-OLQVQODUSA-N (3as,7ar)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1C=CC[C@@H]2C(=O)OC(=O)[C@@H]21 KMOUUZVZFBCRAM-OLQVQODUSA-N 0.000 description 1
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical group CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 1
- STMDPCBYJCIZOD-UHFFFAOYSA-N 2-(2,4-dinitroanilino)-4-methylpentanoic acid Chemical compound CC(C)CC(C(O)=O)NC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O STMDPCBYJCIZOD-UHFFFAOYSA-N 0.000 description 1
- JJRUAPNVLBABCN-UHFFFAOYSA-N 2-(ethenoxymethyl)oxirane Chemical compound C=COCC1CO1 JJRUAPNVLBABCN-UHFFFAOYSA-N 0.000 description 1
- LKMJVFRMDSNFRT-UHFFFAOYSA-N 2-(methoxymethyl)oxirane Chemical compound COCC1CO1 LKMJVFRMDSNFRT-UHFFFAOYSA-N 0.000 description 1
- AGULWIQIYWWFBJ-UHFFFAOYSA-N 3,4-dichlorofuran-2,5-dione Chemical compound ClC1=C(Cl)C(=O)OC1=O AGULWIQIYWWFBJ-UHFFFAOYSA-N 0.000 description 1
- OFNISBHGPNMTMS-UHFFFAOYSA-N 3-methylideneoxolane-2,5-dione Chemical compound C=C1CC(=O)OC1=O OFNISBHGPNMTMS-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- OKIZCWYLBDKLSU-UHFFFAOYSA-M N,N,N-Trimethylmethanaminium chloride Chemical compound [Cl-].C[N+](C)(C)C OKIZCWYLBDKLSU-UHFFFAOYSA-M 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- AMFGWXWBFGVCKG-UHFFFAOYSA-N Panavia opaque Chemical compound C1=CC(OCC(O)COC(=O)C(=C)C)=CC=C1C(C)(C)C1=CC=C(OCC(O)COC(=O)C(C)=C)C=C1 AMFGWXWBFGVCKG-UHFFFAOYSA-N 0.000 description 1
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 description 1
- FQYUMYWMJTYZTK-UHFFFAOYSA-N Phenyl glycidyl ether Chemical compound C1OC1COC1=CC=CC=C1 FQYUMYWMJTYZTK-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- AWMVMTVKBNGEAK-UHFFFAOYSA-N Styrene oxide Chemical compound C1OC1C1=CC=CC=C1 AWMVMTVKBNGEAK-UHFFFAOYSA-N 0.000 description 1
- QHWKHLYUUZGSCW-UHFFFAOYSA-N Tetrabromophthalic anhydride Chemical compound BrC1=C(Br)C(Br)=C2C(=O)OC(=O)C2=C1Br QHWKHLYUUZGSCW-UHFFFAOYSA-N 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- BWYMLYMBQPWYCL-UHFFFAOYSA-N [Na].[Rh] Chemical compound [Na].[Rh] BWYMLYMBQPWYCL-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 1
- MNZMECMQTYGSOI-UHFFFAOYSA-N acetic acid;hydron;bromide Chemical compound Br.CC(O)=O MNZMECMQTYGSOI-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 125000005234 alkyl aluminium group Chemical group 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- VEZXCJBBBCKRPI-UHFFFAOYSA-N beta-propiolactone Chemical compound O=C1CCO1 VEZXCJBBBCKRPI-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- OEERIBPGRSLGEK-UHFFFAOYSA-N carbon dioxide;methanol Chemical compound OC.O=C=O OEERIBPGRSLGEK-UHFFFAOYSA-N 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- PFURGBBHAOXLIO-WDSKDSINSA-N cyclohexane-1,2-diol Chemical compound O[C@H]1CCCC[C@@H]1O PFURGBBHAOXLIO-WDSKDSINSA-N 0.000 description 1
- VKONPUDBRVKQLM-UHFFFAOYSA-N cyclohexane-1,4-diol Chemical compound OC1CCC(O)CC1 VKONPUDBRVKQLM-UHFFFAOYSA-N 0.000 description 1
- VCVOSERVUCJNPR-UHFFFAOYSA-N cyclopentane-1,2-diol Chemical compound OC1CCCC1O VCVOSERVUCJNPR-UHFFFAOYSA-N 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000598 endocrine disruptor Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000012374 esterification agent Substances 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- IHPDTPWNFBQHEB-UHFFFAOYSA-N hydrobenzoin Chemical compound C=1C=CC=CC=1C(O)C(O)C1=CC=CC=C1 IHPDTPWNFBQHEB-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000012978 lignocellulosic material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010303 mechanochemical reaction Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Substances OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920001610 polycaprolactone Polymers 0.000 description 1
- 239000004632 polycaprolactone Substances 0.000 description 1
- 229940068918 polyethylene glycol 400 Drugs 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000007870 radical polymerization initiator Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H8/00—Macromolecular compounds derived from lignocellulosic materials
Definitions
- the present invention is a technique in the field related to a thermoplastic cellulosic composition that can be used as a hot-press molding material.
- the conventional technology to plasticize cellulose opiwood by using oligoesters can use cheap biomass raw materials such as wood flour. It is a possible technology.
- the invention of Japanese Patent Application Laid-Open No. 60-83806 “Method for producing modified wood piece” is disclosed.
- a dibasic acid anhydride and a monoepoxy compound are subjected to an addition esterification reaction to a wood piece to obtain a modified wood piece, which is subjected to hot-pressure processing to be excellent in heat resistance and water resistance.
- This is a technology that forms a sheet or board with a hard ocher surface.
- an oligoester cellulose ( a ) is produced by addition esterification of a polybasic acid anhydride and a monoepoxy compound having an unsaturated double bond to a woody material. Furthermore, an oligomer (b) obtained from a polybasic acid anhydride and a monoepoxy compound having an unsaturated double bond is produced.
- a small amount of radical polymerization initiator is added to the composition comprising the oligoesterified cellulose (a) and the oligomer (b) thus produced, and hot-press molding is carried out, so that a plastic bond and a double bond are formed.
- This is a technology for obtaining a molded product by simultaneously performing cross-linking by polymerization.
- the plastic-like wood-based molded article thus obtained has excellent properties such as dimensional stability, mechanical properties, and heat distortion temperature.
- the plastic-like wood-based molded product according to the conventional invention is subjected to crosslinking by polymerization of double bonds at the time of molding, it is no longer plasticized and deformed even if hot-pressure molding is attempted again after molding. It is impossible to use.
- the following technology is disclosed in the invention of Japanese Patent No. 2661779 “Thermoplastic wood-based molding composition and method for producing the same”. That is, when a polybasic acid anhydride and a monoepoxy compound are added to a wood component and subjected to an addition ester reaction, the reaction is stopped with the unreacted polybasic acid anhydride or monoepoxy compound remaining. This is a technique for obtaining a molding composition. According to this technology, even a molded product once hot-press molded is pulverized, and further, polybasic acid anhydride and Z or If a monoepoxy compound is mixed, it can be recycled by hot pressing again.
- thermoplastic wood-based molding composition according to the conventional invention, the hot-pressure molding conditions (temperature, pressure, etc.) that can obtain the desired hot-pressure fluidity (thermoplasticity) are sufficiently satisfactory. It has not reached the low temperature / low pressure range.
- the cause of the poor thermal pressure fluidity (thermoplasticity) of the wood-based material (cell-based material) that has been oligoesterified is considered as follows. That is, in conventional oligoesters, the polymerization reaction does not proceed to the core of the cellulose crystal, which is the starting material, and the unreacted portion remains in a junction form. In other words, since the oligoester substituent is unevenly distributed in the amorphous part of the wood material or cellulose, sufficient heat pressure fluidity (thermoplasticity) is obtained in the conventional thermoplastic cellulose composition. It is considered impossible. Disclosure of the invention
- the present invention has been made in view of the above-described problems of the prior art, and has the configuration disclosed in claims 1 to 9. Based on such a configuration, the present invention is such that a polymerizable compound such as an oligoester substituent is homogenized and introduced into the entire woody material (cellulosic material) as a starting material, or amorphous. It was completed with the main aim of complementing the introduction of substituents into the moiety by eliminating the core of the crystal.
- a polymerizable compound such as an oligoester substituent
- the wood-based material (cellulosic material) is contained in a high amount
- the wood-material component is plasticized under a relatively low temperature, low-pressure, and short-time hot-pressure molding condition, and good hot-pressure flow Sex is obtained.
- a hot-press molded product is formed into a powder and re-molded, it can be remanufactured for thermoplastic wood molding, a molded product, and an industrially advantageous production thereof.
- Technology is provided.
- the method for producing the thermoplastic cellulose composition according to the first embodiment of the present invention will be described.
- the cellulose-based material used in this embodiment corresponds to all types of cellulose raw materials (for example, cellulose pulp, cotton, linter, etc.) obtained from the pulp industry, etc., in addition to wood-based materials.
- the wood-based material is not particularly limited to the raw wood and tree species, but is made by pulverizing wood such as wood powder, wood fiber, and wood chips, and wheat straw, rice straw, and fir shells that are discarded in large quantities without being used.
- wood such as wood powder, wood fiber, and wood chips
- wheat straw, rice straw, and fir shells that are discarded in large quantities without being used.
- Examples include waste paper, plant fibers such as bacus, and powdered lignocellulosic materials mainly composed of cellulose and lignin.
- These wood components are made from wood chips, wood fibers, fine wood powder, etc. using a powder mill, Henschel mixer, etc. When the moisture content is high, it is preferable to use it after removing it to 10% or less by drying with a hot air drier or vacuum drier. If a large amount of moisture remains in the woody material component, this moisture reacts with the hydroxyl-free group to produce polycarboxylic acid as a by-product, which is not preferable.
- polybasic acid anhydrides used in the same way are maleic anhydride, succinic anhydride, phthalic anhydride, hexahydrophthalic anhydride, tetrahydrophthalic anhydride, dichloromaleic anhydride, itaconic anhydride, Examples thereof include tetrabromophthalic anhydride, anhydrous water, anhydrous hemetic acid, anhydrous trimetic acid, pyromellitic anhydride, and the like, but particularly preferred are industrially advantageous and inexpensive maleic anhydride, succinic anhydride, and phthalic anhydride.
- Any compound containing a poxy group may be used, and examples thereof include phenyl daricidyl ether, vinyl glycidyl ether, styrene oxide, octylene oxide, methyl glycidyl ether, butyl daricidyl ether, and cresyl glycidyl etherol. .
- oligoester cellulose Next, a general method for producing oligoester cellulose is shown below. First, the polybasic acid anhydride and the monoepoxy compound are mixed in the presence of a cellulosic material and reacted at a temperature of 60 to 150 ° C. for 0.5 to 8 hours.
- the reaction of alternately adding a polybasic acid anhydride and a monoepoxy compound to the hydroxyl group in the wood component proceeds sufficiently even in the absence of a catalyst, but in order to accelerate the reaction, sodium carbonate, dimethyl Basic catalysts such as benzylamine, tetramethylammonium chloride, and pyridine may be used.
- An addition esterification catalyst may be used.
- the molecular weight of the oligomer of the polybasic acid anhydride and the monoepoxy compound is about 20 to 1000 which can be liquid from the point of use and effectiveness (the degree of polymerization is preferably 5 or less, including 1) It is preferable that
- the blending amounts of the polybasic acid anhydride and the monoepoxy compound are as follows.
- the polybasic acid anhydride is used in an amount of 5 to 120 parts by weight, preferably 10 to 100 parts by weight, based on 100 parts by weight of the dried wood component.
- the monoepoxy compound is preferably used in an amount of 0.5 to 2.0 equivalents of epoxy group with respect to 1 equivalent of non-hydroxyl group of the polybasic acid anhydride to be used.
- the content of the wood material component becomes low, and oozing occurs at the time of hot pressing, which is not preferable.
- a small amount of less than 5 parts by weight is not preferable because the hot-pressure fluidity is lowered and a uniform molded product cannot be obtained.
- the quantity ratio of polybasic acid anhydride to monoepoxide is to meet the molecular design requirement of whether the introduced ester chain end should be a forceful hydroxyl group, and to increase the length of the introduced oligoester chain. It is based on what was determined in view of the fact that it is not necessary.
- polymerization is performed with a polymerizable compound, preferably in-situ Draft polymerization.
- a polymerizable compound preferably in-situ Draft polymerization.
- a cyclic ester may be considered as long as it can undergo ring-opening polymerization.
- the blending ratio of the cyclic ester is desirably in the range of 99 to 15% by weight of the cyclic ester with respect to 1 to 85% by weight of the oligoesterified cellulose.
- This charging ratio of Origoesuteru of cell opening over scan having a hydroxyl group becomes larger than 85 weight 0/0, because the viscosity of the reaction system becomes difficult to handle Te significantly higher summer. Also, if the charging ratio is less than 1% by weight, the biomass utilization rate becomes extremely low. Further, in-situ graft polymerization can be performed while mixing using a kneader such as a blender, kneader, mixing roll, and hampery mixer, for example.
- thermoplasticity thermodynamic fluidity
- the mechanochemical treatment operation is a combination of dry air such as planetary ball mills, bead mills, wet vibratory pole mills, medium air powder mills, nanomeasers, wet air atomizers, medium airless atomizers, and mechanofusion. This is a process in which a woody material is finely ground using an apparatus, and at the same time, a reactive compound is struck into a cellulosic crystal and the amorphization thereof is promoted. _
- the oligoesterified cellulose is mixed with one or more of cyclic esters containing lactide, and mechanochemical treatment operation in the presence of the mixture.
- the surface area of the oligoesterified cellulose is increased by being pulverized into granules or fibrillated.
- the following mechanochemical reaction proceeds. That is, shear deformation is caused by impact on the crystal structure of the oligoesterified cellulose, and the cyclic ester is struck. Alternatively, the impact causes the crystal structure to disappear and become amorphous, and the complexation with the coexisting cyclic ester becomes closer.
- Polymerization preferably in-situ graft polymerization, is carried out during or after such a mechanochemical treatment operation.
- the following compounds can be used as catalysts for the reaction of graft polymerization of ratatones to oligoester cellulose having a hydroxyl group.
- alkali metals such as sodium rhodium and alkoxides thereof
- alkylaluminums and derivatives thereof typified by triethylaluminum
- alkoxytitanium compounds typified by tetrabutyl titanate
- tin octylate And organic metal compounds such as dibutyltin laurate
- catalysts usually used for ring-opening reactions of cyclic esters such as metal halides such as tin chloride.
- tin octylate (II) power As a preferred catalyst used in the present invention Can be mentioned.
- the polymerization temperature for obtaining the graft polymer is usually a temperature applied to the ring-opening polymerization of the cyclic ester, preferably a temperature of 100 to 210 ° C.
- the reaction time varies depending on the types of oligoesterified cellulose and lactone having a hydroxyl group, the charging ratio, the type and amount of the catalyst, the reaction temperature, and the reaction apparatus, and is not particularly limited. Within hours is enough.
- the reaction time can be extremely shortened to 6 minutes or less.
- the reaction product obtained by the progress of the above reaction may include an oligoester cellulose cellulose graft polymer, an unreacted oligoesterified cellulose, and a cyclic ester homopolymer.
- the graft polymer acts as a mediator (compatibility agent) and is compatible with both. It is apparently uniform resin.
- the effect obtained by adding the cyclic ester to the oligoesterified cellulose is to internally plasticize the oligoester cellulose, thereby lowering the heat flow temperature and raising the thermal decomposition temperature.
- molding means used for processing ordinary thermoplastic resin without adding a large amount of plasticizer, such as injection molding, Molding can be performed using extrusion molding or press molding.
- the oligoester cellulose is biodegradable, and the polycaprolactone produced by polymerizing each of the chemical species added with the draft Biodegradable. ..
- thermoplastic wood-based molding composition according to the present invention obtained as described above into a molded article
- press molding, extrusion molding, injection molding, etc. are used, and molding temperature: room temperature ⁇ 180 ° C
- an oligoesterification cell using a polyhydric alcohol instead of the monoepoxy compound used in the above description. Loose can be produced.
- polyhydric alcohols examples include ethylene glycol, propylene dariconole, trimethylene glycol, 1,4-butanediol, 1,5-pentanediol, 1,6 monohexanol, 1,7 Putangio, 1, 8—Octanegiore, 1,9—Nonannonore, 1,10 —Decangiore, Pinacol, Hydrobenzoin, Benzpinaconole, Cyclopentane 1,2 —Diol, cyclohexane-1,2-diol, cyclohexane-1,4-diol, glycerin, polyethylene glycol 400 and the like.
- a polymerizable compound (cyclic ester) is polymerized to oligoester cellulose, but in the second embodiment, after mechanochemical pretreatment or mechanochemical treatment.
- the polymerizable compound is polymerized directly on the cellulosic material.
- the mechanochemical treatment promotes the amorphization or fibrillation of the cellulose, and the polymerization of the polymerizable compound is performed at the molecular level. This is performed almost uniformly over the entire area. Accordingly, since there is no junction consisting of unreacted parts that inhibits the hot-pressure fluidity (thermoplasticity), the thermoplastic cellulosic material and the molded product show good thermal fluidity.
- the wood flour used in the present invention is each dried to a moisture content of 5% or less.
- this invention is not restrict
- the acid anhydride value of the product of the oligoesterification reaction was determined from the difference between the aqueous acid value and the non-aqueous acid value.
- the aqueous acid value at that time was determined by dispersing approximately 0.3 g of a precisely weighed sample in a mixed solvent of 30 mL of acetonitrile and 10 mL of ion-exchanged water, leaving it in the room for 20 minutes, and then adding 0.1N K0H-H 2 0. It calculated
- the non-aqueous acid value was obtained from a value obtained by dispersing approximately 0.3 g of a precisely weighed sample in 30 mL of acetone and titrating with 0.1 IN K0H-methanol.
- the epoxy value is determined by adding 7 mL of 0.1 HH-acetic acid solution to approximately 0.3 g of a precisely weighed sample. After standing in the room for 10 minutes, 10 mL of 0.1 phenyl glycidyl ether / chlorobenzene solution was added, and after standing in the room for 20 minutes, titration with a 0.1 N HBr_acetic acid solution was performed.
- oligoesterified wood and oligoesterified cellulose was performed at 170 ° C, 100 kg / cm 2 , for 30 minutes, and the appearance of the obtained sheet (thickness approximately 0.6 mm) was observed. In the case of translucent, it was plasticized, and in the case of opaque, it was unplasticized.
- the amount of oligoester introduced for these three types of oligoester wood was found to be about 45% for OE W4 5, about 60% for O EW 60, and about 75% for OEW 75.
- X ⁇ diffraction was performed on these, it was found that cellulose I crystals of cellulose in wood remained.
- the thermoplasticity was insufficient.
- Dried wood flour (trade name; LIGNOCEL, S150 TR; J. Rettenmaier &Soehne; fiber length: 30-60 u rn) 60.0 g, maleic anhydride 11.
- 38 g, allylglycidyl etherate 26.62 g 1 L was charged into a 4-separable flask and reacted under stirring at 120 ° C for 7 hours to obtain a woody material composition having an acid value of 0.16 eq / kg and an epoxy value of 0.07 eq / kg.
- this wood composition was found to contain 24.6 g of oligoester chains added per 100 g of dry wood flour (a) 74.8 g, oligomer (b) 24.1 g, anhydrous maleic It was confirmed to be a thermoplastic wood molding composition of the present invention comprising 0.98 g of acid (c) and 1.36 g of aryl glycidyl ether (c). The results of investigations on the thermo-pressability and heat-pressure fluidity of this thermoplastic wood-based molding were found to show heat flow at 170 ° C. A sheet with an area of 147 cm 2 was given when pressed at 150 ° C and gauge pressure of 75 kg / cm 2 for 2 minutes using a press machine with a ram diameter of 30 cm.
- thermoplastic wood-based molding composition has a hydrous acid value and an epoxy value of 0 eq / kg when hot pressed at 150 ° C for 40 minutes. Polybasic acid anhydrides and monoepoxy compounds are hot pressed. It was confirmed that it disappeared completely.
- the product can be easily formed into a film at room temperature (25 ° C), and from the results of differential scanning calorimetry (DSC analysis), the glass transition point of the product is found to be 13.3 ° C. It was proved that it was from rubber to paste at room temperature. In addition, no crystallization peak was observed, cellulose crystals that were originally present in the product were not present, and self-assembly or regular aggregation of two oligoesters introduced as graft branches. The structure was also shown not to exist. This is supported by X-ray diffraction results. From the DSC analysis, it was found that the final product obtained here was pyrolytically stable up to at least 20 ° C.
- Dry wood flour (trade name; LIGNOCEL, S150 TR; J. Rettenmaier &Soehne; fiber length: 30-60 ⁇ ⁇ ) 20 g and a weight ratio of 6: 4 / Weigh 30 g of the lactide solution into a 50 O mL zirconia container of a planetary pole mill P-6 device (manufactured by Fritzchu, Germany), and use a zirconia ball with a diameter of 1 Oram to rotate at a rotation speed of 4 5 O rpm After 30 minutes of treatment, 1 wt% of tin octylate (II) catalyst was added, and polymerization was carried out at 140 ° C for 8 hours (polymerization was completed in 10 minutes in a flask experiment).
- II tin octylate
- the product is easily formed into a film at room temperature (25 ° C) From the results of differential scanning calorimetry (DSC analysis), the glass transition point of the product was found to be 17.5 ° C, confirming that it was rubbery to paste-like at room temperature. In addition, no crystallization peak was observed in the DSC analysis, cellulose crystals that were originally present in the product were not present, and self-assembly or regulation of two types of oligoesters introduced as graft branches. It was also shown that there was no static aggregation structure. This was confirmed by the X-ray diffraction results of the product.
- Cellulose powder (manufactured by Nippon Paper Industries Co., Ltd., Cellulose KC Flock 100) 15 g and ⁇ -force prolatatone / latathide solution 37.5 g prepared in a weight ratio of 6: 4 and planetary pole mill P-5 Weigh it in a 50 mL stainless steel container of Fritzchu (Germany) and treat it with a stainless steel ball of diameter lOran at a rotational speed of 27 O rpm for 30 minutes, and then add tin octoate (II) catalyst. 1% by weight was added, and polymerization was carried out at 140 ° C. for 8 hours (polymerization was completed in 10 minutes in the flask experiment).
- Fritzchu Germany
- II tin octoate
- the final product obtained here is a material that is pyrolytically stable up to 230 ° C.
Description
Claims
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EP04746876A EP1762583A1 (en) | 2004-06-25 | 2004-06-25 | Thermoplastic cellulosic composition, process for producing the same, and molded article thereof |
CN2004800434306A CN1972980B (zh) | 2004-06-25 | 2004-06-25 | 热塑性纤维素系组合物、其制造方法及其成型品 |
US11/630,383 US7884169B2 (en) | 2004-06-25 | 2004-06-25 | Thermoplastic cellulose composition, method for producing the same, and molded product using the same |
JP2006527620A JPWO2006001076A1 (ja) | 2004-06-25 | 2004-06-25 | 熱可塑性セルロース系組成物、その製造方法及びその成形品 |
PCT/JP2004/009407 WO2006001076A1 (ja) | 2004-06-25 | 2004-06-25 | 熱可塑性セルロース系組成物、その製造方法及びその成形品 |
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Cited By (5)
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JP2013519736A (ja) * | 2010-02-11 | 2013-05-30 | エフピーイノベイションズ | ナノ結晶性セルロース(ncc)とポリ乳酸(pla)とのナノ複合体バイオマテリアル |
WO2018164131A1 (ja) * | 2017-03-07 | 2018-09-13 | 花王株式会社 | 改質セルロース繊維の製造方法 |
WO2018207848A1 (ja) * | 2017-05-12 | 2018-11-15 | 地方独立行政法人大阪産業技術研究所 | ポリ乳酸グラフト化セルロースナノファイバー及びその製造方法 |
WO2020009016A1 (ja) * | 2018-07-05 | 2020-01-09 | ユニチカ株式会社 | 有機化合物の製造方法 |
WO2023163184A1 (ja) * | 2022-02-28 | 2023-08-31 | 国立大学法人京都大学 | 熱成形用組成物 |
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EP1918328A1 (de) * | 2006-10-31 | 2008-05-07 | Cognis Oleochemicals GmbH | Verfahren zur Herstellung von Zellulose-Kunststoff-Composites |
US8716373B2 (en) * | 2008-08-08 | 2014-05-06 | Kao Corporation | Biodegradable resin composition |
CN101935360A (zh) * | 2010-09-02 | 2011-01-05 | 华南理工大学 | 一种魔芋葡甘聚糖酯化反应的方法 |
JP5689848B2 (ja) * | 2011-05-17 | 2015-03-25 | 富士フイルム株式会社 | 樹脂組成物及び成形体 |
US9624606B2 (en) * | 2012-03-28 | 2017-04-18 | Dic Corporation | Method for producing cellulose nanofiber, cellulose nanofiber, master batch, and resin composition |
CN111171161B (zh) * | 2020-02-19 | 2020-09-11 | 江苏瑞佳新材料有限公司 | 一种醋酸丁酸纤维素及其制备方法 |
FI20225185A1 (en) * | 2022-03-01 | 2023-09-02 | Upm Kymmene Corp | Process for producing a thermoplastic composition |
FI20225187A1 (en) * | 2022-03-01 | 2023-09-02 | Upm Kymmene Corp | Process for producing a thermoplastic composition |
FI20225186A1 (en) * | 2022-03-01 | 2023-09-02 | Upm Kymmene Corp | Process for producing a thermoplastic composition |
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- 2004-06-25 JP JP2006527620A patent/JPWO2006001076A1/ja active Pending
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CN1972980A (zh) | 2007-05-30 |
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US7884169B2 (en) | 2011-02-08 |
EP1762583A1 (en) | 2007-03-14 |
US20080306235A1 (en) | 2008-12-11 |
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