WO2008072517A1 - 人工外皮用シリコーンエラストマー組成物 - Google Patents
人工外皮用シリコーンエラストマー組成物 Download PDFInfo
- Publication number
- WO2008072517A1 WO2008072517A1 PCT/JP2007/073471 JP2007073471W WO2008072517A1 WO 2008072517 A1 WO2008072517 A1 WO 2008072517A1 JP 2007073471 W JP2007073471 W JP 2007073471W WO 2008072517 A1 WO2008072517 A1 WO 2008072517A1
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- WIPO (PCT)
- Prior art keywords
- group
- composition
- artificial skin
- silicone elastomer
- elastomer composition
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 80
- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 39
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 83
- 239000000377 silicon dioxide Substances 0.000 claims description 40
- 125000003342 alkenyl group Chemical group 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 11
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 8
- 238000007259 addition reaction Methods 0.000 claims description 4
- -1 chloropropyl group Chemical group 0.000 description 26
- 229920001296 polysiloxane Polymers 0.000 description 22
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 13
- 239000004205 dimethyl polysiloxane Substances 0.000 description 12
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 12
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 12
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical group [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- 229910052710 silicon Inorganic materials 0.000 description 10
- 239000003054 catalyst Substances 0.000 description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 9
- 239000004594 Masterbatch (MB) Substances 0.000 description 8
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 description 8
- 238000002845 discoloration Methods 0.000 description 7
- 210000000056 organ Anatomy 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 230000035807 sensation Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 125000003118 aryl group Chemical group 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 125000001183 hydrocarbyl group Chemical group 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 125000005388 dimethylhydrogensiloxy group Chemical group 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000006459 hydrosilylation reaction Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 125000000962 organic group Chemical group 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- 238000010171 animal model Methods 0.000 description 2
- 125000003710 aryl alkyl group Chemical group 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- 239000007809 chemical reaction catalyst Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 125000000753 cycloalkyl group Chemical group 0.000 description 2
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 2
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 125000001624 naphthyl group Chemical group 0.000 description 2
- 229920006136 organohydrogenpolysiloxane Polymers 0.000 description 2
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 125000003944 tolyl group Chemical group 0.000 description 2
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 2
- GBTRBKUOPBWTTF-UHFFFAOYSA-N tris(2-methylbut-3-yn-2-yloxy)silane Chemical compound C#CC(C)(C)O[SiH](OC(C)(C)C#C)OC(C)(C)C#C GBTRBKUOPBWTTF-UHFFFAOYSA-N 0.000 description 2
- CEBKHWWANWSNTI-UHFFFAOYSA-N 2-methylbut-3-yn-2-ol Chemical compound CC(C)(O)C#C CEBKHWWANWSNTI-UHFFFAOYSA-N 0.000 description 1
- 240000001606 Adenanthera pavonina Species 0.000 description 1
- 235000011470 Adenanthera pavonina Nutrition 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- USMSERWVJAQOHX-UHFFFAOYSA-N C[Si](N[Si](CCCC)(CCCC)C)(C)C Chemical compound C[Si](N[Si](CCCC)(CCCC)C)(C)C USMSERWVJAQOHX-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- DSPMXOXIEZFNIQ-UHFFFAOYSA-N O[SiH2]N[SiH3] Chemical compound O[SiH2]N[SiH3] DSPMXOXIEZFNIQ-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Natural products P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 229910018557 Si O Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- FMRLDPWIRHBCCC-UHFFFAOYSA-L Zinc carbonate Chemical compound [Zn+2].[O-]C([O-])=O FMRLDPWIRHBCCC-UHFFFAOYSA-L 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229940045985 antineoplastic platinum compound Drugs 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000000987 azo dye Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- RYBVCZSZPZFJOK-UHFFFAOYSA-N butyl-[butyl(dimethyl)silyl]oxy-dimethylsilane Chemical compound CCCC[Si](C)(C)O[Si](C)(C)CCCC RYBVCZSZPZFJOK-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229920005645 diorganopolysiloxane polymer Polymers 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- BITPLIXHRASDQB-UHFFFAOYSA-N ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane Chemical compound C=C[Si](C)(C)O[Si](C)(C)C=C BITPLIXHRASDQB-UHFFFAOYSA-N 0.000 description 1
- 125000005816 fluoropropyl group Chemical group [H]C([H])(F)C([H])([H])C([H])([H])* 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 125000001188 haloalkyl group Chemical group 0.000 description 1
- 125000006038 hexenyl group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 125000000555 isopropenyl group Chemical group [H]\C([H])=C(\*)C([H])([H])[H] 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 235000006748 manganese carbonate Nutrition 0.000 description 1
- 239000011656 manganese carbonate Substances 0.000 description 1
- 229940093474 manganese carbonate Drugs 0.000 description 1
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 description 1
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 210000000282 nail Anatomy 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 150000003058 platinum compounds Chemical class 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- QBERHIJABFXGRZ-UHFFFAOYSA-M rhodium;triphenylphosphane;chloride Chemical compound [Cl-].[Rh].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 QBERHIJABFXGRZ-UHFFFAOYSA-M 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 238000006884 silylation reaction Methods 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
- 235000004416 zinc carbonate Nutrition 0.000 description 1
- 239000011667 zinc carbonate Substances 0.000 description 1
- 229910000010 zinc carbonate Inorganic materials 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H9/00—Special methods or compositions for the manufacture of dolls, toy animals, toy figures, or parts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
- G09B23/30—Anatomical models
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
Definitions
- the present invention relates to a curable silicone elastomer composition for artificial skin.
- the “outer skin” means a substance that covers a living body, and includes, for example, skin, mucous membranes, scalp, nails and the like.
- a model or robot having an artificial skin is known, in particular, a human body model or a robot.
- Japanese Patent Application Laid-Open No. 57-144739 describes that it is difficult to get dirty and even if it gets dirty.
- a mannequin using an artificial skin made of silicone rubber has been disclosed as an easy artificial skin.
- Patent Document 1 Japanese Patent Application Laid-Open No. 57-144739
- a human body model or robot such as a mannequin is generally at least partially covered by an outer skin, but these are often used in a state of facing a visitor / user, etc. Visitors / users may be contacted, so the outer skin is required to be close to the appearance and touch of the actual skin.
- the present invention has been made in view of the current state of the prior art. That is, the object of the present invention is to provide an artificial skin having a tactile sensation similar to skin as well as its appearance, and a composition usable for such a method. It is to be. Means for solving the problem
- X represents the Asker C hardness after curing of the composition
- tan ⁇ is preferably 0.2 or more and / or X is a positive number of 20 or less.
- the silica fine powder preferably contains 5-30% by mass of silica fine powder is wet silica.
- the viscosity of the composition of the present invention is preferably 20, OOOmPa's or less.
- the composition of the present invention is preferably a room temperature curable addition reaction curable silicone elastomer composition.
- the composition preferably contains an alkenyl group-containing siloxane.
- the artificial skin of the present invention comprises a cured product obtained by curing the silicone elastomer composition for artificial skin, and has a tensile strength of 0.3 MPa or more and / or its elongation.
- the force is preferably 20% or more.
- the artificial skin of the present invention is preferably used as a model or robot skin.
- the silicone elastomer composition for artificial skin of the present invention it is possible to produce an artificial skin that is soft and has a feel very similar to that of the skin.
- the artificial skin of the present invention is suitable as a skin of a model or robot, particularly a human body model or robot. You can power to use.
- the artificial skin of the present invention can be used as it is or in combination with other objects to form various models such as medical organs, organ models, and animal models.
- the silicone elastomer composition of the present invention contains an alkenyl group-containing siloxane as a curing retarder, discoloration of the cured product can be suppressed. The color feeling can be adjusted more easily.
- the silicone elastomer composition for artificial skin of the present invention comprises a curable silicone composition having a property of being cured at room temperature or under heating to form an elastomer.
- room temperature means 15 to 45 ° C., preferably 20 ° C. to 40 ° C., more preferably 25 ° C.
- the silicone elastomer composition for artificial skin of the present invention has a cured product represented by the following formula: tan ⁇ 0.23-0.006 ⁇
- X represents the Asker C hardness after curing of the composition.
- the loss tangent (tan ⁇ ) is the ratio between the storage elastic modulus (G ') corresponding to elasticity and the loss elastic modulus (G ") corresponding to viscosity, that is, G" / G'. Reflects absorbency.
- the loss tangent in the above formula can be obtained by measuring the viscoelasticity of the silicone elastomer composition after curing. If the loss tangent is too small, the skin feel will be lost, and the contact force and the hardness will feel as if there is a core. When the loss tangent is 0.2 or more, it is possible to obtain a touch feeling very similar to the skin, so 0.25 or more is preferable, and 0.3 or more is particularly preferable.
- the Asker C hardness is a hardness that is mainly applied to a soft elastomer as defined in JIS K7312.
- the Asker C hardness is a value measured by a type C hardness tester defined in JIS K7312.
- the Asker C hardness is 20.
- Asker C hardness means that the higher the number is V, the more “hard! /,”.
- Asker C hardness exceeds 20, the flexibility of the outer skin deteriorates. Therefore, X in the above formula is preferably a positive number of 20 or less, that is, 0 ⁇ X ⁇ 20. 0 ⁇ X ⁇ 10 is more preferred.
- the cured product of the silicone elastomer composition for artificial skin of the present invention has a tensile strength of 0.3 MPa or more, preferably in order to prevent breakage at the time of demolding and to improve workability at the time of molding.
- 0. 4 MPa or more and / or elongation is 420% or more, preferably 500% or more.
- the silicone elastomer composition for artificial skin of the present invention has a physical property, a curing type, and a composition, in particular, as long as the cured product satisfies the relationship of tan ⁇ 0.2 3-0.
- the fluidity in the mold is excellent, and the workability during molding is improved, so the viscosity is 20, OOOmPa's or less, preferably 10, OOOmPa's or less. It is preferable.
- the silicone elastomer composition for artificial skin of the present invention is preferably a room temperature-curable addition reaction-curing silicone elastomer composition.
- a room temperature-curable addition reaction-curing silicone elastomer composition examples include compositions containing the following components (A) to (D). Each component (A) to (D) may be used alone or in combination of two or more.
- Component (A) is an organopolysiloxane having at least two alkenyl groups bonded to a silicon atom in one molecule.
- alkenyl group include a butyl group, an aryl group, a propenyl group, an isopropenyl group, a butur group, an isobutur group, a pentur group, a hexenyl group, a heptul group, and the like.
- the bonding position of the key atom of the alkenyl group is not particularly limited, and the molecular chain end and / or molecule. Chain side chain.
- the component (A) may have an organic group other than an alkenyl group bonded to a silicon atom.
- Examples of the organic group include a methyl group, an ethyl group, a propyl group, a butyl group, and a pentyl group.
- An alkyl group such as a hexyl group; a cycloalkyl group such as a cyclopentyl group and a cyclohexenole group; an aryl group such as a phenyl group, a tolyl group, a xylyl group and a naphthyl group; an aralkyl group such as a benzyl group and a phenethyl group; 3,3-Trifluoropropyl group, 3 halogen-substituted alkyl groups such as chloropropyl group, etc., usually carbon number;! ⁇ 10, preferably 1-8 carbon atoms, unsubstituted or substituted monovalent A hydrocarbon group, preferably a methyl group.
- the viscosity of component (A) is preferably 0 ⁇ 05 to 100 Pa's at 25 ° C.
- the siloxane skeleton of the organopolysiloxane component (A) may be linear or branched, or a mixture of both, but the main chain is composed of repeating diorganosiloxane units, and both ends of the molecular chain are triorganosiloxy groups. It is preferably a substantially linear diorganopolysiloxane blocked with.
- a silicon-bonded alkenyl group preferably at both ends of the molecular chain having high viscosity (high molecular weight) is preferable.
- a linear organopolysiloxane having a bur group is preferred!
- Component (B) is an organohydrogenpolysiloxane having at least three hydrogen atoms bonded to a silicon atom in one molecule.
- the hydrogen atom bonded to the silicon atom can be located in the terminal siloxane unit and / or the siloxane unit in the polymer chain.
- This o / leganohydropolyene polysiloxane is a linear siloxane polymer, and is composed of RHSiO units and R XSiO units (in these formulas, R represents the organic group in the component (A)).
- an unsubstituted or substituted monovalent hydrocarbon group having 1 to 10 carbon atoms, preferably 1 to 8 carbon atoms, and having no alkenyl group, preferably a methyl group.
- X represents a hydrogen atom or R) in the molecule, and optionally contains R SiO group units.
- the total amount of hydrogen atoms (ie, SiH groups) bonded to the silicon atom present in the component (B) is 0.4 to 3 per alkenyl group in the component (A). It is preferable that 0.4 to; 1.5 is more preferable. Therefore, the component (B) with respect to 100 parts by mass of the component (A)
- the relative amounts of the components are preferably determined as appropriate in the range of, for example, !! to 1000 parts by mass so that this relationship is maintained.
- the amount of component (B) is reduced (for example, the composition; 20% by mass, more preferably 1 to 15% by mass).
- the viscosity at 25 ° C of the organohydrodiene polysiloxane of component (B) is preferably (between 0.001 and;! OPa-s, more preferably (between 0.0 and! And 5 Pa-s).
- Specific examples of such component (B) include those represented by the following formulas.
- Component (C) is a catalyst for addition reaction (hydrosilylation) between the alkenyl group in component (A) and the SiH group in component (B), and promotes the addition reaction. If necessary, V or a suitable catalyst may be used.
- the hydrosilylation reaction catalyst for example, at least one catalyst selected from a platinum-based catalyst, a palladium-based catalyst, and a nickel catalyst is used, and more specifically, for example, chloroplatinic acid, alcohol-modified Chloroplatinic acid, chloroplatinic acid and olefins, coordination compounds of bursiloxane or acetylene compounds, tetrakis (triphenylphosphine) paradium, chlorotris (triphenylphosphine) rhodium, etc. are used, particularly preferably platinum compounds. It is.
- the component (C) may be an effective amount as a catalyst (so-called catalyst amount). Specifically, for example, the amount of the catalyst (as a metal element component) relative to the total amount of the components (A) and (B). Is contained in a ratio of about 0.0;! To 500 ppm, preferably about 0;
- Component (D) is finely divided silica, which acts as a reinforcing material after curing of the composition of the present invention. That is, the composition of the present invention is preferably used as an in-mold molding material, in which case high tensile strength and elongation are particularly required to avoid breakage during demolding. Therefore, in the composition of the present invention, a cured product satisfying such strength characteristics can be formed by using finely divided silica as a reinforcing material.
- the fine powder silica as the component (D) preferably has a specific surface area measured by the BET method of 50 m 2 / g or more, more preferably 100 to 300 m 2 / g, from the force S. If the specific surface area is less than 50 m 2 / g, sufficient strength characteristics may not be imparted.
- fine powder silica for example, dry silica such as fumed silica or synthetic silica such as wet silica is used. Since these silicas have a large amount of silanol groups on their surface, for example, silylation of halogenated silanes, alkoxysilanes, various silazane compounds (for example, hexamethyldisilazane, tetramethyldibuldisilazan), etc. It can also be used as so-called hydrophobic silica surface-treated with an agent.
- hydrophobic silica it is also possible to use a masterbatch obtained by mixing organopolysiloxane of component (A), fine powder silica and the silylating agent.
- the blending amount of fine powder silica is preferably in the range of 5 to 30% by mass of the composition of the present invention, and in the range of 10 to 30% by mass. The more preferred range is 15 to 20% by mass. If this amount exceeds 30% by mass of the composition, the molding workability of the composition may be impaired.
- wet silica In order to keep the loss tangent within an appropriate range while maintaining other physical characteristics of the composition of the present invention after curing, it is preferable to use wet silica. Specifically, wet silica is used. It is preferable to use 10% by mass or more of the fine powdered silica, more preferably 40% by mass or more, and particularly preferably 100% by mass. For example, when wet silica is included as fine powder silica, the tangent loss (tan ⁇ ), elongation, and tensile strength tend to increase when the Asker C hardness of the cured product of the composition is the same.
- dry silica when importance is attached to the transparency and colorability of the cured product of the composition of the present invention, it is preferable to use dry silica.
- the use ratio of dry silica is 10% by mass or more of fine powder silica. 40% by mass or more is preferable, and 100% by mass is more preferable.
- the composition of the present invention includes (i) a hydrogen atom bonded to a silicon atom at both ends of the molecular chain, and no aliphatic unsaturated bond in the molecule. It is preferable to blend a chain organopolysiloxane.
- the viscosity of component (ii) at 25 ° C. is in the range of 0.001-10 Pa's, preferably 0.0;! To lPa's.
- This linear organopolysiloxane serves to increase the molecular chain length of the component (A) when the composition of the present invention is cured, and the loss tangent (tan ⁇ ), elongation, and tensile strength of the cured product of the composition. Strength can be increased
- organopolysiloxane of the component (ii) include the following general formula (I):
- R is an unsubstituted or substituted monovalent hydrocarbon group not containing an alkenyl group
- n is a number such that the viscosity of the organopolysiloxane at 25 ° C. falls within the above range.
- An organohydrogenpolysiloxane having a hydrogen atom bonded to a silicon atom at both ends of the molecular chain is preferred! /.
- R is an unsubstituted or substituted monovalent hydrocarbon group that does not contain an alkenyl group.
- alkenyl group methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl Alkyl groups such as a group; cycloalkyl groups such as a cyclopentyl group and a cyclohexyl group; aryl groups such as a phenyl group, a trinole group, a xylinole group and a naphthyl group; an aralkyl group such as a benzyl group and a phenethyl group;
- halogen-substituted alkyl group such as a 3-trifluoropropyl group and a 3-chloropropyl group usually have a carbon number of !!
- n 25 of this organopolysiloxane. Rice occupancy in C as described above 0.001; lOPa's, preferably 0.01 ⁇ ; IPa's.
- the total amount of hydrogen atoms (that is, SiH groups) bonded to the silicon atoms present in the component (B) and the component (E) is The number of alkenyl groups in the component is preferably 0.4 to 3 and more preferably 0.4 to 1.5. Therefore, the relative amount of the sum of the component (B) and the component (E) with respect to 100 parts by mass of the component (A) is appropriately determined, for example, in the range of ! to 1000 parts by mass so that this relationship is maintained. It is preferable to be done.
- the number of hydrogen atoms bonded to the silicon atoms in component (E) is 20 to 85 mol% with respect to the total of hydrogen atoms bonded to the silicon atoms in component (B) and component (E). 30 to 70 mol% is more preferable.
- the loss tangent after curing is set to an appropriate range by reducing the crosslinking density of the composition of the present invention, the total amount of the (B) component and the (E) component is reduced (for example, the composition To 10 mass%, more preferably 1 to 5 mass%) of the product.
- the loss tangent (tan) of the cured product of the composition is greater when the component (E) is added to the composition of the present invention together with the component (B). ⁇ ) is preferable because it can be controlled appropriately.
- the composition of the present invention contains (F) a non-functional organopolysiloxane having a viscosity at 25 ° C of 0.01 to 500 Pa-s, preferably 0.03 to 10; lOOPa's. May be.
- Component (F) is used as necessary, and acts as a release agent in the composition of the present invention.
- it is a linear non-functional organopolysiloxane. If this organopolysiloxane has an addition-reactive functional group such as an alkenyl group or a hydrosilyl group (SiH group), the component (F) is fixed in the cured product of the composition of the present invention, and a mold release effect is obtained. Will not bring.
- the substituents bonded to the silicon atom of the non-functional organopolysiloxane include alkyl groups such as methyl, ethyl, and propyl groups, aryl groups such as phenyl and tolyl groups, and 3, 3, 3-trile. Examples include halo-substituted alkyl groups such as a fluoropropyl group and a 3-chloropropyl group. A methyl group is particularly preferred.
- the amount of component (F) is 0 to 20 parts by weight, preferably 5 to 10 parts by weight, per 100 parts by weight of component (A). When the blending amount of the component (F) is more than 20 parts by mass with respect to 100 parts by mass of the component (A), the oily substance derived from the component (F) may ooze from the cured product.
- composition of the present invention may also contain a curing retarder, such as 3-methyl-1-butyne-3-ol, 3,5-dimethyl-1, monohexyl-3-ol, and phenol.
- a curing retarder such as 3-methyl-1-butyne-3-ol, 3,5-dimethyl-1, monohexyl-3-ol, and phenol.
- Acetylene compounds such as dirubutinol; 1, 3, 5, 7 tetramethyl-1,3,5,7-tetrabutylcyclotetrasiloxane, alkenyl group-containing siloxane such as 1,3-divinyltetramethyldisiloxane; benzotriazole, etc.
- the composition of the present invention is discolored. Even in the case of containing ammonia which is a cause, discoloration of the cured product of the composition is suppressed.
- general-purpose additives can be blended in the composition of the present invention.
- the polystyrene resin contains SiO units or R SiO units and is small in one molecule.
- organopolysiloxane resins having at least two alkenyl groups.
- Other inorganic pigments such as iron oxide, bengara, cobalt blue, azo dyes, quinoline dyes, etc.
- Organic dyes, cerium oxide, zinc carbonate, manganese carbonate, titanium oxide, carbon black and the like may be blended.
- the silicone elastomer composition of the present invention is cured at, for example, a temperature condition of 20 ° C to 150 ° C, preferably 50 ° C or less, more preferably at room temperature, to obtain an elastomer as a cured product. Form.
- the cured product of the silicone elastomer composition of the present invention has a skin-like feel in addition to the high flexibility and deformability inherent to silicone elastomers, and is therefore suitable as an artificial skin, It is useful as a model or robot, particularly as a human model or robot skin having moving parts.
- the artificial skin of the present invention includes, for example, an outer mold frame having an inner surface of a human appearance and an inner mold frame disposed so as to hold the cavity between the outer mold frame. It can be obtained by preparing, introducing and curing the silicone elastomer of the present invention in the cavity, and removing the outer mold from the mold after curing. Thus, the artificial skin can be efficiently produced by curing the silicone elastomer composition of the present invention at room temperature using a sealed mold cavity.
- the artificial skin of the present invention can be colored, flocked, etc. as necessary.
- the artificial skin of the present invention is bonded to the surface of a base material made of a flexible material such as polyurethane foam, soft polychlorinated bur, silicone elastomer, etc., if necessary, via an adhesive or a primer. It is possible to achieve elasticity close to the human body and skin feel by integrating them. This makes it possible to manufacture elaborate models or robots that are very close to the human body.
- the artificial skin of the present invention is suitable as a constituent member of various models such as medical organs, organ models, animal models and the like used for medical and nursing training. Can be used.
- the artificial skin of the present invention can be used as it is, and in the case of a relatively large organ model such as a lung, the artificial skin of the present invention. Can be used in combination with a substrate.
- the viscosity is a value at 25 ° C.
- Viscosity 2000mPa ⁇ s Molecular chain both ends dimethylvinylsiloxy group-capped dimethylpolysiloxane (bule group content approx. 0.23% by mass) 100 parts by mass, wet silica (SIPERNAT 200) 57 parts by mass, hexamethyldisilazane 8 4 parts by mass and 3.5 parts by mass of water were put into a mixer and mixed until uniform at room temperature, and then heat-treated at 200 ° C for 2 hours under reduced pressure to prepare silica masterbatch 3.
- SIPERNAT 200 wet silica
- Dimethylvinylsiloxy group-blocked dimethylpolysiloxane (Bur group content: approx. 0.23 mass%) 100 parts by mass, wet silica (SIPERNAT 320 DS) 57 parts by mass, hexamethyldisilazane 8. 4 parts by mass and 3.5 parts by mass of water were put into a mixer and mixed until uniform at room temperature, and then heat-treated at 200 ° C for 2 hours under reduced pressure to prepare silica masterbatch 4.
- Viscosity 400mPa ⁇ s molecular chain both ends dimethylvinylsiloxy group blocked dimethylpolysiloxane (bule group content about 0.47 mass%) 100 mass parts, wet silica (ZIPSIL LP) 60 quality Part, hexamethyldisilazane, 10.6 parts by weight, and 4.2 parts by weight of water are put into a mixer, mixed at room temperature until uniform, and then heat-treated at 200 ° C for 2 hours under reduced pressure to obtain silica master.
- One batch 5 was prepared.
- Ammonia content 1 ⁇ 5 g of silica masterbatch was precisely weighed and dissolved by adding 60 ml of toluene. To the obtained solution, 20 g of 5 mM nitric acid was added, and the mixture was shaken for 2 hours, and then centrifuged to determine the amount of ammonia extracted into the aqueous phase.
- A- 1 Viscosity 420 MPa 's of both molecular chain terminals Jimechirubi two Rushirokishi group dimethylsiloxane' menu Chirubi two Le polysiloxane (about 1 ⁇ 06 mass 0/0 Bulle group content)
- Viscosity lOOOOmPa's molecular chain both ends dimethylvinylsiloxy group-blocked dimethyl polysiloxane (bule group content about 0.13 mass%)
- A-5 dimethylpolysiloxane blocked with dimethylvinylsiloxy group-blocked dimethylpolysiloxane having a viscosity of 40,000 mPa ⁇ s (Bue group content: about 0.09% by mass)
- Platinum-based catalyst Dibutyltetramethyldisiloxane solution of 1,3-dibutyltetramethyldisiloxane complex of platinum
- B—1 dimethylhydrogensiloxy group-blocked dimethyl with a viscosity of 29 mPa's.
- Methyl hydrogen polysiloxane (caine atom-bonded hydrogen atom content about 0.15 quality)
- B- 2 viscosity 27 mPa ⁇ s at both molecular chain terminals by dimethylhydrogensiloxy Nono Hydro siloxy group-blocked-dimethyl-'methylhydrodiene polysiloxane (Kei atom bonded hydrogen atom content of about 0.10 mass 0/0)
- E-1 dimethylhydrogensiloxy group-blocked dimethylpolysiloxane having molecular viscosity at both ends of 38 mPa ⁇ s (content of hydrogen atoms bonded to hydrogen atoms: about 0.06 mass%)
- Curing retarder 1 Methyl (tris (1,1 dimethyl-2-propynyloxy) silane
- Curing retarder 2 Tetramethyltetrabucyclotetrasiloxane
- Wasker C hardness According to the test method using a type C hardness tester specified in JIS K7312. Two cured specimens (disk shape with a thickness of 6 mm and a diameter of 70 mm) were used in piles.
- Loss tangent (tan ⁇ ): Based on measurement of viscoelastic characteristics by dynamic analyzer ARES (vibration frequency 1 ⁇ , strain 10%, sample shape is a disk 25 mm in diameter and 5 mm in thickness).
- Tactile sensation Evaluation was performed by dusting talc on the surface of a cured test piece (disk shape with a thickness of 6 mm and a diameter of 70 mm) and pressing the test piece with a finger.
- the evaluation criteria are as follows.
- Discoloration A specimen of a cured product (disk shape with a thickness of 6 mm and a diameter of 70 mm) was left at 100 ° C for 10 hours, and the degree of discoloration was visually observed.
- the evaluation criteria are as follows.
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Abstract
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Priority Applications (3)
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US12/516,824 US8292956B2 (en) | 2006-12-15 | 2007-12-05 | Silicone elastomer composition for artificial integument |
EP07850113.7A EP2090619B1 (en) | 2006-12-15 | 2007-12-05 | Silicone elastomer composition for artificial skin |
JP2008549257A JP5636162B2 (ja) | 2006-12-15 | 2007-12-05 | 人工外皮用シリコーンエラストマー組成物 |
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US (1) | US8292956B2 (ja) |
EP (1) | EP2090619B1 (ja) |
JP (1) | JP5636162B2 (ja) |
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Cited By (6)
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JP2013064090A (ja) * | 2011-09-20 | 2013-04-11 | Shin-Etsu Chemical Co Ltd | 付加硬化性シリコーンゴム組成物及びその硬化物 |
WO2020095715A1 (ja) | 2018-11-08 | 2020-05-14 | デンカ株式会社 | 樹脂組成物及びそれを用いた生体モデル |
JP2021084966A (ja) * | 2019-11-28 | 2021-06-03 | 信越化学工業株式会社 | 発泡性シリコーンゴム組成物及びシリコーンゴム発泡体 |
JP2021168948A (ja) * | 2015-11-09 | 2021-10-28 | 株式会社 資生堂 | 皮膚への適用のための組成物及び方法 |
US12246112B2 (en) | 2018-11-08 | 2025-03-11 | Denka Company Limited | Artificial blood vessel |
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AU2016257767B2 (en) * | 2015-05-01 | 2020-06-25 | The Creature Technology Company Pty Ltd | A covering arrangement for an animatronic or robotic arrangement |
US10118320B2 (en) * | 2015-05-18 | 2018-11-06 | Disney Enterprises, Inc. | Biomimetic skin for an animatronic figure and other applications |
JP6517457B2 (ja) | 2017-04-10 | 2019-05-22 | Groove X株式会社 | 外皮を装着するロボット |
DE112018000722T5 (de) * | 2017-04-10 | 2019-11-14 | Groove X, Inc. | Roboter mit einer weichen Außenhaut |
CN108568805A (zh) * | 2018-05-08 | 2018-09-25 | 佛山伊贝尔科技有限公司 | 一种有机弹性体机器人 |
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US10954386B2 (en) * | 2019-05-29 | 2021-03-23 | Smp Technologies Inc. | Silicone admixture and cured product of the same |
FR3122116B1 (fr) * | 2021-04-23 | 2023-04-14 | Euveka | Housse pour Mannequin Robotisé |
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US8292956B2 (en) | 2012-10-23 |
EP2090619A4 (en) | 2011-03-09 |
EP2090619A1 (en) | 2009-08-19 |
CN101563424A (zh) | 2009-10-21 |
JPWO2008072517A1 (ja) | 2010-03-25 |
JP5636162B2 (ja) | 2014-12-03 |
EP2090619B1 (en) | 2014-09-10 |
US20100056715A1 (en) | 2010-03-04 |
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