WO2023182430A1 - 緩衝材、外装材およびロボット部品 - Google Patents
緩衝材、外装材およびロボット部品 Download PDFInfo
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- WO2023182430A1 WO2023182430A1 PCT/JP2023/011516 JP2023011516W WO2023182430A1 WO 2023182430 A1 WO2023182430 A1 WO 2023182430A1 JP 2023011516 W JP2023011516 W JP 2023011516W WO 2023182430 A1 WO2023182430 A1 WO 2023182430A1
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- Prior art keywords
- layer
- gel
- less
- skin layer
- mpa
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- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- AQHHHDLHHXJYJD-UHFFFAOYSA-N propranolol Chemical compound C1=CC=C2C(OCC(O)CNC(C)C)=CC=CC2=C1 AQHHHDLHHXJYJD-UHFFFAOYSA-N 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006561 solvent free reaction Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- AVWRKZWQTYIKIY-UHFFFAOYSA-N urea-1-carboxylic acid Chemical compound NC(=O)NC(O)=O AVWRKZWQTYIKIY-UHFFFAOYSA-N 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/14—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of indefinite length
- B29C39/20—Making multilayered or multicoloured articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/24—Feeding the material into the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
Definitions
- gel is known as a cushioning material. It is also known to arrange a coating layer on the surface of the gel. More specifically, for example, the following polyurethane gels are known. That is, the polyurethane gel includes a gel layer and a coating layer that covers the gel layer.
- the gel layer is obtained by at least reacting an aliphatic polyisocyanate with an average number of functional groups exceeding 2.0 and a polyol with an average number of functional groups of 3.0 or less.
- the coating layer is obtained by reacting at least an aliphatic diisocyanate and/or an alicyclic diisocyanate with a bifunctional active hydrogen compound (see, for example, Patent Document 1).
- cushioning materials are required to have improved texture depending on their use. More specifically, smoothness in sliding is required. Furthermore, a high level of smoothness in sliding may be required.
- the present invention is a cushioning material, an exterior material, and a robot part that have excellent texture.
- the present invention [2] includes the buffer material according to the above [1], wherein the average thickness of the skin layer is 10 ⁇ m or more and 1000 ⁇ m or less.
- the present invention [3] further includes a foam layer, the foam layer is disposed on the other surface of the gel layer with respect to the one surface, and the average thickness of the foam layer is 1000 ⁇ m or more and 50000 ⁇ m or less,
- the present invention [4] provides the above-mentioned [3], wherein the foam layer has a density of 80 kg/m 3 or more and 200 kg/m 3 or less, and the gel layer has a density of 500 kg/m 3 or more and 1200 kg/m 3 or less. Contains the cushioning material described in ].
- the present invention [6] includes a robot component including the cushioning material according to any one of [1] to [4] above.
- the cushioning material, exterior material, and robot component of the present invention include a gel layer having a predetermined storage modulus and a skin layer disposed on one side of the gel layer.
- the 100% modulus of the skin layer is below a predetermined value, and/or the skin layer has a fine uneven structure on its surface, and the arithmetic mean roughness Ra of the surface of the skin layer is below a predetermined value. ing. Therefore, the cushioning material, exterior material, and robot parts of the present invention have excellent tactility.
- FIG. 1 is a schematic diagram of an embodiment of the cushioning material of the present invention.
- a cushioning material 1 includes a polyurethane gel 2 with a skin.
- the skinned polyurethane gel 2 includes a gel layer 3 and a skin layer 4 disposed on one side of the gel layer 3.
- one side is the upper side of the page.
- the other side with respect to one side is the lower side of the page.
- the gel layer 3 contains polyurethane gel.
- Gel layer 3 preferably consists of polyurethane gel.
- Polyurethane gel has excellent elasticity. Therefore, when the gel layer 3 is a polyurethane gel, the cushioning material 1 has excellent elasticity and has excellent cushioning performance.
- Polyurethane gel is a polyurethane elastomer with ultra-low hardness. Polyurethane gels are defined by their storage modulus.
- the storage modulus (E') of the polyurethane gel at 23° C. is 0.01 MPa or more and 10 MPa or less.
- the storage modulus (E') of the polyurethane gel is preferably within the range of the storage modulus of the gel layer 3 described below.
- the polyurethane gel contains a reaction product of an isocyanate component for gel and an active hydrogen group-containing component for gel. More specifically, the polyurethane gel is obtained by reacting an isocyanate component for gel with an active hydrogen group-containing component for gel.
- Examples of the isocyanate component for gel include polyisocyanate monomers and polyisocyanate derivatives.
- aromatic polyisocyanate monomer examples include tolylene diisocyanate (TDI), diphenylmethane diisocyanate (MDI), toluidine diisocyanate (TODI), paraphenylene diisocyanate, and naphthalene diisocyanate (NDI).
- diphenylmethane diisocyanate examples include 2,2'-diphenylmethane diisocyanate, 2,4'-diphenylmethane diisocyanate, and 4,4'-diphenylmethane diisocyanate. These can be used alone or in combination of two or more.
- aromatic aliphatic polyisocyanate monomer examples include xylylene diisocyanate (XDI) and tetramethylxylylene diisocyanate (TMXDI).
- XDI xylylene diisocyanate
- TMXDI tetramethylxylylene diisocyanate
- xylylene diisocyanate examples include 1,3-xylylene diisocyanate and 1,4-xylylene diisocyanate. These can be used alone or in combination of two or more.
- Examples of the aliphatic polyisocyanate monomer include trimethylene diisocyanate, tetramethylene diisocyanate, pentamethylene diisocyanate (PDI), hexamethylene diisocyanate (HDI), 1,2-propane diisocyanate, 1,2-butane diisocyanate, 2, Examples include 3-butane diisocyanate, 1,3-butane diisocyanate, 2,4,4-trimethylhexamethylene diisocyanate, 2,2,4-trimethylhexamethylene diisocyanate, and 2,6-diisocyanate methyl caproate. These can be used alone or in combination of two or more.
- polyisocyanate derivatives include modified polyisocyanate monomers described above.
- modified products include uretdione modified products, isocyanurate modified products, allophanate modified products, polyol modified products, biuret modified products, urea modified products, oxadiazinetrione modified products, and carbodiimide modified products.
- polyisocyanate derivatives include polymethylene polyphenylene polyisocyanate (crude MDI, polymeric MDI). These can be used alone or in combination of two or more.
- the average number of isocyanate groups in the gel isocyanate component is, for example, 1.8 or more, preferably 2.0 or more. Further, the average number of isocyanate groups in the isocyanate component for gel is, for example, 4.0 or less, preferably 3.5 or less. When the average number of isocyanate groups in the isocyanate component for gel is within the above range, a gel-like polyurethane resin can be efficiently obtained. That is, the production efficiency of polyurethane gel is excellent. Note that the average number of isocyanate groups in the isocyanate component for gel is calculated by a known method based on the prescription.
- the active hydrogen group-containing component for gel is a component that has two or more active hydrogen groups (hydroxyl group, amino group, etc.) in one molecule.
- Examples of the active hydrogen group-containing component for gels include polyol components for gels.
- Examples of the polyol component for gel include macropolyols and low molecular weight polyols.
- a macropolyol is an organic compound having two or more hydroxyl groups in one molecule and having a relatively high molecular weight.
- the number average molecular weight of the macropolyol is, for example, 400 or more and, for example, 20,000 or less.
- the number average molecular weight can be calculated from the hydroxyl equivalent and the average number of hydroxyl groups by a known method. Further, the number average molecular weight can be measured as a polystyrene equivalent molecular weight by gel permeation chromatography (the same applies hereinafter).
- macropolyols examples include polyether polyols, polyester polyols, polycarbonate polyols, polyurethane polyols, epoxy polyols, vegetable oil polyols, polyolefin polyols, acrylic polyols, and vinyl monomer-modified polyols. These macropolyols can be used alone or in combination of two or more. Preferably, the macropolyol includes a polyether polyol.
- polyether polyols examples include polyoxyalkylene polyols.
- polyoxyalkylene polyols examples include polyoxyalkylene (C2-3) polyols and polytetramethylene ether polyols.
- polytetramethylene ether polyol examples include ring-opening polymers (crystalline polytetramethylene ether glycol) obtained by cationic polymerization of tetrahydrofuran. Furthermore, examples of the polytetramethylene ether polyol include amorphous polytetramethylene ether glycol. In the amorphous polytetramethylene ether glycol, tetrahydrofuran and an alkyl-substituted tetrahydrofuran and/or a dihydric alcohol are copolymerized. Note that crystallinity refers to the property of being solid at 25°C. Moreover, amorphousness indicates the property of being liquid at 25°C.
- the macropolyols can be used alone or in combination of two or more types.
- the macropolyol is preferably a polyether polyol, more preferably a polytetramethylene ether polyol, more preferably a polytetramethylene ether glycol, and even more preferably an amorphous polytetra Examples include methylene ether glycol.
- Examples of low molecular weight polyols include dihydric alcohols, trihydric alcohols, and tetrahydric or higher alcohols.
- Examples of dihydric alcohols include ethylene glycol, 1,2-propanediol, 1,3-propanediol, 1,2-butanediol, 1,3-butanediol, 1,4-butanediol, 1,5- Mention may be made of pentanediol, 1,6-hexanediol, neopentyl glycol, diethylene glycol, triethylene glycol and dipropylene glycol.
- Examples of trihydric alcohols include glycerin and trimethylolpropane.
- Examples of tetrahydric or higher alcohols include pentaerythritol and diglycerin.
- low molecular weight polyols include polymers obtained by addition polymerizing alkylene (C2-3) oxide to di- to tetrahydric alcohol so that the number average molecular weight is less than 400. These can be used alone or in combination of two or more.
- the active hydrogen group-containing component for gel preferably does not contain a low molecular weight polyol and contains only a macropolyol. That is, the active hydrogen group-containing component for gel consists of macropolyol. Furthermore, a biomass-derived raw material may be blended as the active hydrogen group-containing component for gel.
- the average hydroxyl value (OH value) of the active hydrogen group-containing components for gel is, for example, 10 mgKOH/g or more, preferably 20 mgKOH/g or more, more preferably 30 mgKOH/g or more, and more preferably, It is 50 mgKOH/g or more.
- the average hydroxyl value (OH value) of the active hydrogen group-containing components for gel (total amount) is, for example, 150 mgKOH/g or less, preferably 120 mgKOH/g or less, more preferably 100 mgKOH/g or less. Note that the hydroxyl value is measured in accordance with the description of JIS K 1557-1 (2007).
- the isocyanate component for gel and the active hydrogen group-containing component for gel are subjected to a urethane reaction in a predetermined mold.
- the urethanization reaction may be a solventless reaction or may be a reaction in the presence of a solvent.
- the reaction is a solvent-free reaction.
- the reaction method In the urethanization reaction, a known method is employed. Examples of the reaction method include a one-shot method and a prepolymer method. Preferably, a one-shot method is used.
- the equivalent ratio of the isocyanate groups in the gel isocyanate component to the active hydrogen groups in the gel isocyanate component is, for example, 0.2 or more, preferably 0.4 or more, For example, it is 0.8 or less, preferably 0.7 or less.
- the reaction temperature is, for example, room temperature to 120°C.
- the reaction time is, for example, 5 minutes to 72 hours. In addition, the reaction temperature may be a constant temperature, may be raised in steps, or may be cooled in steps.
- the gel layer 3 is obtained by the reaction of the isocyanate component for gel and the active hydrogen group-containing component for gel. After the gel layer 3 is cured as necessary, it is removed from the mold.
- the isocyanate component for gel and the active hydrogen group-containing component for gel can be reacted in the presence of a plasticizer.
- the plasticizer is not particularly limited, and examples thereof include phthalic acid plasticizers, hydrogenated phthalic acid plasticizers, and adipic acid plasticizers.
- phthalic acid plasticizers include diundecyl phthalate, dioctyl phthalate, diisononyl phthalate, diisodecyl phthalate, and dibutyl phthalate.
- hydrogenated phthalic acid plasticizers include hydrogenated diisononyl phthalate.
- the adipic acid plasticizer include dioctyl adipate. These may be used alone or in combination of two or more.
- additives can be added as necessary.
- additives include urethanization catalysts, fillers, storage stabilizers, antiblocking agents, heat stabilizers, light stabilizers, ultraviolet absorbers, antioxidants, antifoaming agents, mold release agents, pigments, dyes, and lubricants. and hydrolysis inhibitors. The blending ratio of the additives is appropriately set.
- the timing of adding the additive is not particularly limited.
- additives may be added to the gel isocyanate component.
- the additive may be added to the active hydrogen group-containing component for gel.
- the additive may be added to both the isocyanate component for gel and the active hydrogen group-containing component for gel.
- the additive may be added at the time of mixing the isocyanate component for gel and the active hydrogen group-containing component for gel.
- the average thickness of the gel layer 3 is set depending on the type of mold, etc. From the viewpoint of obtaining a better tactile sensation, the average thickness of the gel layer 3 is, for example, 300 ⁇ m or more, preferably 500 ⁇ m or more, and more preferably 1000 ⁇ m or more. Moreover, from the viewpoint of obtaining a better tactile sensation, the average thickness of the gel layer 3 is, for example, 20,000 ⁇ m or less, preferably 10,000 ⁇ m or less, and more preferably 5,000 ⁇ m or less.
- the density of the gel layer 3 is, for example, 100 kg/m 3 or more, preferably 500 kg/m 3 or more, and more preferably 800 kg/m 3 or more, from the viewpoint of obtaining a better tactile sensation.
- the density of the gel layer 3 is, for example, 3000 kg/m 3 or less, preferably 2000 kg/m 3 or less, more preferably 1200 kg/m 3 or less, still more preferably 1000 kg / m3 or less.
- the skin layer 4 is placed in contact with the gel layer 3 on one side of the gel layer 3. In other words, the skin layer 4 is laminated on the gel layer 3 on the surface side of the gel layer 3 (upper side in the drawing).
- the skin layer 4 has a predetermined modulus, which will be described later, and/or a predetermined surface roughness, which will be described later.
- the skin layer 4 examples include a polyurethane resin layer. More specifically, the skin layer 4 may be a cured film of polyurethane resin. A cured film of polyurethane resin is formed, for example, by curing a solution and/or dispersion (coating liquid) containing a polyurethane resin. For example, when the skin layer 4 has a predetermined modulus described below, the polyurethane resin is designed such that the 100% modulus of the skin layer 4 falls within the range described below.
- examples of the coating liquid containing a polyurethane resin include a one-component curable polyurethane composition and a two-component curable polyurethane composition.
- the coating liquid is a two-component curable polyurethane composition.
- Examples of the isocyanate component (curing agent) for the skin include the above-mentioned polyisocyanate monomers, the above-mentioned polyisocyanate derivatives, and isocyanate group-terminated prepolymers. These can be used alone or in combination of two or more.
- Preferable examples of the isocyanate component for the epidermis include isocyanate group-terminated prepolymers.
- the isocyanate group-terminated prepolymer is, for example, a reaction product of the first raw material polyisocyanate and the first raw material polyol.
- first raw material polyisocyanate include the above-described polyisocyanate monomers and/or the above-described polyisocyanate derivatives. These can be used alone or in combination of two or more.
- the first raw material polyisocyanate preferably includes a polyisocyanate derivative, more preferably a derivative of an aliphatic polyisocyanate monomer, and even more preferably an isocyanurate modified product of an aliphatic polyisocyanate monomer. More preferred are isocyanurate derivatives of hexamethylene diisocyanate.
- Examples of the first raw material polyol include the macro polyols described above and the low molecular weight polyols described above. These can be used alone or in combination of two or more.
- the macropolyol in the first raw material polyol is a polyester polyol.
- polyester polyols include condensed polyester polyols and ring-opened polyester polyols.
- condensed polyester polyols include adipate polyester polyols and phthalic acid polyester polyols.
- ring-opened polyester polyols include lactone-based polyester polyols, and more specifically, polycaproctone polyols. These can be used alone or in combination of two or more.
- the polyester polyol preferably a ring-opened polyester polyol is used, and more preferably a caprolactone polyol is used.
- the low molecular weight polyol in the first raw material polyol preferably the above dihydric alcohols are mentioned, more preferably 1,4-butanediol, 1,5-pentanediol and 1,6-hexanediol, More preferred is 1,6-hexanediol.
- the ratio of macropolyol and low molecular weight polyol is not particularly limited, and is appropriately set depending on the purpose and use.
- the isocyanate group-terminated prepolymer is obtained by subjecting the first raw material polyisocyanate and the first raw material macropolyol to a urethanization reaction (first urethanization reaction) at a predetermined equivalent ratio.
- reaction temperature is, for example, 20°C or higher, preferably 50°C or higher. Further, the reaction temperature is, for example, 150°C or lower, preferably 120°C or lower. Further, the reaction time is 0.5 hours or more, preferably 1 hour or more. Further, the reaction time is, for example, 18 hours or less, preferably 10 hours or less.
- an isocyanate group-terminated prepolymer is obtained as a reaction product liquid in the first urethanization reaction.
- a known organic solvent in the first urethanization reaction, can be blended in an appropriate ratio if necessary.
- a known first urethanization catalyst may be blended in an appropriate ratio, if necessary.
- the organic solvent and/or the urethanization catalyst can be removed by a known method.
- a known organic solvent can be blended in an appropriate ratio to adjust the solid content concentration as appropriate.
- the isocyanate group content of the skin isocyanate component is, for example, 5.0% by mass or more, more preferably 10.0% by mass or more, and more preferably 15.0% by mass or more. Further, the isocyanate group content of the isocyanate component for the skin is, for example, 30.0% by mass or less, preferably 25.0% by mass or less.
- the active hydrogen group-containing component for the skin examples include the above-mentioned macropolyols. These can be used alone or in combination of two or more.
- the macropolyol is a polyurethane polyol.
- a polyurethane polyol is, for example, a reaction product of a second raw material polyisocyanate and a second raw material polyol.
- the second raw material polyisocyanate include the above-described polyisocyanate monomers and/or the above-described polyisocyanate derivatives. These can be used alone or in combination of two or more.
- the second raw material polyisocyanate preferably includes polyisocyanate monomers, more preferably includes alicyclic polyisocyanate monomers, and even more preferably includes isophorone diisocyanate.
- Examples of the second raw material polyol include the macro polyols described above and the low molecular weight polyols described above. These can be used alone or in combination of two or more.
- the macropolyol in the second raw material polyol includes the above-mentioned polyester polyol and polycarbonate polyol, and more preferably, polycarbonate polyol.
- polyester polyols examples include the above-mentioned condensed polyester polyols and the above-mentioned ring-opened polyester polyols.
- polycarbonate polyols examples include ring-opening polymers of ethylene carbonate using the above-mentioned low molecular weight polyols as initiators.
- the ring-opening polymer is, for example, a crystalline polycarbonate polyol.
- examples of polycarbonate polyols include copolymers of the above-mentioned ring-opening polymers and dihydric alcohols having 4 to 6 carbon atoms.
- the copolymer is, for example, an amorphous polycarbonate polyol. These can be used alone or in combination of two or more.
- the polycarbonate polyol is an amorphous polycarbonate polyol.
- the low molecular weight polyol in the second raw material polyol preferably includes the above dihydric alcohols and trihydric alcohols, more preferably ethylene glycol, 1,4-butanediol and trimethylolpropane.
- the ratio of macropolyol to low molecular weight polyol is not particularly limited, and is appropriately set depending on the purpose and use.
- the polyurethane polyol is obtained by subjecting the second raw material polyisocyanate and the second raw material macropolyol to a urethanization reaction (second urethanization reaction) at a predetermined equivalent ratio.
- the equivalent ratio (OH/NCO) of the hydroxyl groups in the second raw material macropolyol to the isocyanate groups in the second raw material polyisocyanate is, for example, 1.1 or more, preferably 1.4 or more, More preferably, it is 1.5 or more. Further, the equivalent ratio (OH/NCO) of the hydroxyl groups in the second raw material macropolyol to the isocyanate groups in the second raw material polyisocyanate is, for example, 15.0 or less, preferably 10.0 or less, more preferably, It is 5.0 or less.
- reaction temperature is, for example, 20°C or higher, preferably 50°C or higher. Further, the reaction temperature is, for example, 150°C or lower, preferably 120°C or lower. Further, the reaction time is 0.5 hours or more, preferably 1 hour or more. Further, the reaction time is, for example, 18 hours or less, preferably 10 hours or less.
- a known organic solvent in the second urethanization reaction, can be blended in an appropriate ratio if necessary.
- a known urethanization catalyst may be blended in an appropriate ratio, if necessary.
- the organic solvent and/or the urethanization catalyst can be removed by a known method.
- a known organic solvent can be blended in an appropriate ratio to adjust the solid content concentration as appropriate.
- the average number of hydroxyl groups in the active hydrogen group-containing component for the epidermis (base ingredient) is, for example, 1.8 or more, preferably 2.0 or more. Further, the average number of hydroxyl groups of the active hydrogen group-containing component for the epidermis (base ingredient) is, for example, 4.0 or less, preferably 3.0 or less.
- the isocyanate component for the skin (curing agent) and the active hydrogen group-containing component for the skin (base ingredient) have a 100% modulus of the skin layer 4 (polyurethane resin layer) within the range described below. They are appropriately selected and blended in a predetermined ratio.
- the coating liquid containing the polyurethane resin is not limited to the above.
- a coating liquid containing a polyurethane resin can be obtained as a commercial product.
- the coating liquid containing the polyurethane resin can also be obtained as a polyurethane composition containing, for example, a known isocyanate component for the epidermis and a known active hydrogen group-containing component for the epidermis.
- the coating liquid can contain additives if necessary.
- the additive include known additives used in coating liquids containing polyurethane resins. More specifically, the additives include antioxidants, ultraviolet absorbers, light stabilizers, antifoaming agents, flame retardants, and colorants. Note that the content ratio of the additive is appropriately set depending on the purpose and use.
- the additive may be blended in advance with the isocyanate component for the epidermis and/or the active hydrogen group-containing component for the epidermis. Moreover, the additive may be blended at the time of blending the isocyanate component for the epidermis and the active hydrogen group-containing component for the epidermis. Furthermore, the additive may be blended into the mixture of the isocyanate component for the epidermis and the active hydrogen group-containing component for the epidermis.
- the method for forming the skin layer 4 on the surface of the gel layer 3 is not particularly limited, and any known method may be employed. For example, first, a coating liquid containing a polyurethane resin is applied and cured on one side of the inner surface of the mold for forming the gel layer 3 (the surface side of the gel layer 3). As a result, a skin layer 4 is formed on the inner surface of the mold. Next, the gel layer 3 is formed using a mold having the skin layer 4 on its inner surface. Thereafter, the gel layer 3 and the skin layer 4 are removed from the mold. Thereby, a gel layer 3 having a skin layer 4 on the surface is obtained. In this case, the gel layer 3 is attached to the skin layer 4 by tacking the gel layer 3.
- the fine unevenness structure consists of a plurality of fine unevenness.
- the fine uneven structure is not particularly limited, and may be formed by a known method.
- the method for forming the fine uneven structure is not limited to the above.
- the gel layer 3 is formed using a mold that does not include the skin layer 4.
- a coating liquid containing a polyurethane resin is applied to the surface of the gel layer 3.
- the film having the inverted uneven structure is pressed onto the coating film of the polyurethane resin solution and/or dispersion.
- the coating film of the coating liquid is cured.
- the skin layer 4 is formed, and the inverted uneven structure of the film is transferred to the skin layer 4.
- a fine uneven structure is formed in the skin layer 4.
- the skin layer 4 does not have a fine uneven structure on the surface
- the skin layer 4 is formed using a mold that does not have an inverted uneven structure, for example.
- the skin layer 4 has a predetermined modulus (A) and/or a predetermined surface roughness (B).
- the 100% modulus of the epidermal layer 4 is 5.0 MPa or less, preferably 4.5 MPa or less, more preferably 4.0 MPa or less, and even more preferably is 3.5 MPa or less, particularly preferably 3.4 MPa or less.
- the 100% modulus of the epidermal layer 4 is, for example, 0.1 MPa or more, preferably 0.5 MPa or more, more preferably 1.0 MPa or more, still more preferably 1.5 MPa or more, particularly preferably 2.0 MPa or more. It is 0 MPa or more.
- the 100% modulus is the stress value when the elongation rate is 100%.
- the 100% modulus is measured in accordance with the examples described below. If the 100% modulus of the skin layer 4 is below the above upper limit, a particularly excellent tactile sensation can be obtained.
- the skin layer 4 does not need to have a fine uneven structure on the surface.
- the skin layer 4 has a fine uneven structure on its surface.
- the surface roughness of the skin layer 4 is not particularly limited, and is appropriately set depending on the purpose and use.
- the arithmetic mean roughness Ra of the surface of the skin layer 4 is, for example, 10 ⁇ m or less, preferably 8.0 ⁇ m or less, more preferably 6.0 ⁇ m or less, still more preferably 5.0 ⁇ m or less, particularly preferably, It is 4.0 ⁇ m or less.
- the arithmetic mean roughness Ra of the surface of the skin layer 4 is, for example, greater than 0 ⁇ m, preferably 0.10 ⁇ m or more, preferably 0.5 ⁇ m or more, more preferably 1.0 ⁇ m or more, and still more preferably , 1.5 ⁇ m or more. Note that the arithmetic mean roughness Ra is measured in accordance with Examples described later. Furthermore, the measurement conditions described below are employed.
- the arithmetic mean roughness Ra of the surface of the skin layer 4 is 10 ⁇ m or less, preferably 8.0 ⁇ m or less, more preferably 6.0 ⁇ m or less. .0 ⁇ m or less, more preferably 5.0 ⁇ m or less, particularly preferably 4.0 ⁇ m or less. Further, the arithmetic mean roughness Ra of the surface of the skin layer 4 exceeds 0 ⁇ m, preferably 0.10 ⁇ m or more, preferably 0.5 ⁇ m or more, more preferably 1.0 ⁇ m or more, and even more preferably 1 .5 ⁇ m or more. Note that the arithmetic mean roughness Ra is measured in accordance with Examples described later. In addition, the following measurement conditions are adopted.
- Arithmetic mean roughness Ra measurement conditions spherical ⁇ 1.6mm contact, specified load 0.4gf, measurement length 40mm, cutoff wavelength 0.8mm, measurement speed 0.15mm/sec
- the modulus of the skin layer 4 is not particularly limited, and is appropriately set depending on the purpose and use.
- the 100% modulus of the skin layer 4 is, for example, 15.0 MPa or less, preferably 10.0 MPa or less, and more preferably 7.0 MPa or less.
- the 100% modulus of the epidermal layer 4 is, for example, 0.1 MPa or more, preferably 0.5 MPa or more, more preferably 1.0 MPa or more, still more preferably 1.5 MPa or more, particularly preferably 2.0 MPa or more. It is 0 MPa or more.
- the 100% modulus is the stress value when the elongation rate is 100%. In particular, even if the 100% modulus of the skin layer 4 is a relatively high value (for example, exceeding 5.0 MPa), if the modulus of the surface of the skin layer 4 is within the above range, an excellent tactile sensation can be obtained.
- the polyurethane foam can be obtained as a commercial product, for example.
- the ratio (E'coat/ E'foam ) of the storage elastic modulus ( E'coat ) at 23°C of the skin layer 4 to the storage elastic modulus ( E'foam ) at 23°C of the foam layer 5 is , for example, 0. .1 or more, preferably 1.0 or more, more preferably 10 or more, still more preferably 50 or more.
- the ratio ( E'gel / E'foam ) of the storage elastic modulus ( E'gel ) at 23°C of the gel layer 3 to the storage elastic modulus ( E'foam ) at 23°C of the foam layer 5 is 0.1.
- the above value is preferably 0.2 or more, more preferably 0.4 or more, and still more preferably 0.8 or more.
- the ratio ( E'gel / E'foam ) of the storage elastic modulus ( E'gel ) at 23°C of the gel layer 3 to the storage elastic modulus ( E'foam ) at 23°C of the foam layer 5 is less than 10, Preferably it is 5 or less, more preferably 3 or less, still more preferably 2 or less.
- a polyurethane polyol (B1) was obtained as a polyol component for the skin.
- a polyurethane polyol (B2) was obtained as a polyol component for the skin.
- the above coating liquid was applied to one side of the inner surface of the mold and dried. Thereby, a skin layer made of polyurethane resin was obtained. Note that the film thickness was adjusted by the number of times it was coated. In addition, the fine uneven structure of the mold was transferred to the skin layer. That is, a fine uneven structure was formed in the epidermal layer. The average thickness of the epidermal layer was 100 ⁇ m. Further, the arithmetic mean roughness Ra of the skin layer was measured using the method and conditions described below. The arithmetic mean roughness Ra of the skin layer was 3.6 ⁇ m.
- Foamed layer Terra Venus WS (trade name, manufactured by Yukigaya Chemical Industry, average thickness 10 mm (10000 ⁇ m)) was prepared as a polyurethane foam. This was used as a foam layer.
- cushioning material The polyurethane gel with skin and the foam layer were bonded together by tacking the gel layer. As a result, a cushioning material including a foam layer, a gel layer, and a skin layer was obtained.
- Example 2 Polyurethane polyol (B2) was used instead of polyurethane polyol (B1). A cushioning material was obtained in the same manner as in Example 1 except for this.
- the average thickness of the epidermal layer was 100 ⁇ m.
- the arithmetic mean roughness Ra of the skin layer was measured using the method and conditions described below.
- the arithmetic mean roughness Ra of the skin layer was 5.91 ⁇ m.
- Comparative example 1 As the coating liquid, commercially available Fortimo XSP-659 (bis(isocyanatomethyl)cyclohexane solution, solid content concentration 16%, manufactured by Mitsui Chemicals) was used. A cushioning material was obtained in the same manner as in Example 1 except for this. The average thickness of the epidermal layer was 100 ⁇ m. Further, the arithmetic mean roughness Ra of the skin layer was measured using the method and conditions described below. The arithmetic mean roughness Ra of the skin layer was 5.3 ⁇ m.
- the temperature dependence of the dynamic viscoelasticity of the gel layer was measured using a dynamic viscoelasticity device (manufactured by IT Kansei Control Co., Ltd., model: DVA-200) in tensile mode, frequency 10 Hz, heating rate 5 ° C.
- the storage elastic modulus at 23°C was taken as the storage elastic modulus (E' gel ) of the gel layer.
- the temperature dependence of the dynamic viscoelasticity of a sample cut out to a size of 20 mm x 20 mm x 10 mm from the core of the foam layer was measured using a dynamic viscoelasticity device (manufactured by IT Keizai Control Co., Ltd., model: DVA-220). Measurement was performed under the conditions of compression mode, frequency of 10 Hz, and temperature increase rate of 5° C./min, and the storage elastic modulus at 23° C. was taken as the storage elastic modulus of the gel layer (E′ gel ).
- the stress value (tensile strength) of the skin sample at an elongation rate of 100% was measured in accordance with the tensile test method described in JIS K 7312 (1996). This tensile strength was taken as the 100% modulus of the skin layer.
- a product name RTG-1310 manufactured by A&D Co., Ltd.
- a No. 3 dumbbell was used as a test piece. Further, the tensile speed was set to 100 mm/min.
- Arithmetic mean roughness Ra of the surface The arithmetic mean roughness Ra of the surface of the skin layer of the cushioning material was determined by the following method. Further, the arithmetic mean roughness Ra of the inner surface of the mold was determined by the following method.
- the arithmetic mean roughness Ra was measured using a surface roughness measuring machine (Surface roughness profile measuring machine Surfcom 1400D, manufactured by Tokyo Seimitsu Co., Ltd.). Note that the measurement conditions were set as follows.
- Arithmetic mean roughness Ra of the skin layer measurement conditions spherical ⁇ 1.6mm contact, specified load 0.4gf, measurement length 40mm, cutoff wavelength 0.8mm, measurement speed 0.15mm/sec
- ⁇ No unevenness felt. Fingers are slippery. ⁇ : Slight unevenness is felt. Fingers are slippery. ⁇ : Unevenness is felt. Your fingers won't slip easily.
- Example 3 Uneven processing of mold A mold with inner dimensions of 120 mm x 120 mm x 2 mm was prepared. In addition, one side of the inner surface of the mold was given a satin finish. That is, a fine uneven structure was formed on one side of the inner surface of the mold.
- the arithmetic mean roughness Ra of one side of the inner surface of the mold was measured in accordance with JIS B 0601 (2001) and according to the method and conditions described below. The arithmetic mean roughness Ra of one side of the inner surface of the mold was 3.5 ⁇ m.
- Skin layer Fortimo XSP-659 bis(isocyanatomethyl)cyclohexane solution, solid content concentration 16%, manufactured by Mitsui Chemicals
- the above coating liquid was applied to one side of the inner surface of the mold and dried. Thereby, a skin layer made of polyurethane resin was obtained.
- the fine uneven structure of the mold was transferred to the skin layer. That is, a fine uneven structure was formed in the epidermal layer.
- the average thickness of the epidermal layer was 100 ⁇ m.
- the arithmetic mean roughness Ra of the skin layer was measured using the method and conditions described below. The arithmetic mean roughness Ra of the skin layer was 1.5 ⁇ m.
- Foamed layer Terra Venus WS (trade name, manufactured by Yukigaya Chemical Industry, average thickness 10 mm (10000 ⁇ m)) was prepared as a polyurethane foam. This was used as a foam layer.
- cushioning material The polyurethane gel with skin and the foam layer were bonded together by tacking the gel layer. As a result, a cushioning material including a foam layer, a gel layer, and a skin layer was obtained.
- Example 4 In the uneven processing of the mold, the arithmetic mean roughness Ra of the inner surface of the mold was adjusted to 7.0 ⁇ m. A cushioning material was obtained in the same manner as in Example 3 except for this. Further, the arithmetic mean roughness Ra of the skin layer was measured using the method and conditions described below. The arithmetic mean roughness Ra of the skin layer was 3.6 ⁇ m.
- Example 5 In the mold roughening process, the arithmetic mean roughness Ra of the inner surface of the mold was adjusted to 10.0 ⁇ m. A cushioning material was obtained in the same manner as in Example 3 except for this. Further, the arithmetic mean roughness Ra of the skin layer was measured using the method and conditions described below. The arithmetic mean roughness Ra of the skin layer was 5.3 ⁇ m.
- Comparative example 2 The inner surface of the mold was not textured. A cushioning material was obtained in the same manner as in Example 3 except for this.
- the temperature dependence of the dynamic viscoelasticity of the gel layer was measured using a dynamic viscoelasticity device (manufactured by IT Kansei Control Co., Ltd., model: DVA-200) in tensile mode, frequency 10 Hz, heating rate 5 ° C.
- the storage elastic modulus at 23°C was taken as the storage elastic modulus (E' gel ) of the gel layer.
- the storage modulus ( E'coat ) of the epidermis layer was determined in the same manner as the gel layer.
- Arithmetic mean roughness Ra of the skin layer measurement conditions spherical ⁇ 1.6mm contact, specified load 0.4gf, measurement length 40mm, cutoff wavelength 0.8mm, measurement speed 0.15mm/sec
- Arithmetic mean roughness Ra measurement conditions for the inner surface of the mold spherical ⁇ 1.6mm contact, specified load 0.4gf, measurement length 40mm, cutoff wavelength 8mm, measurement speed 0.15mm/sec
- Friction Test The dynamic friction coefficient of the surface of the skin layer of the cushioning material was measured using a tactile meter (Trypogear Type 33, manufactured by Shinto Kagakusha Co., Ltd.) equipped with a handy probe. Note that the measurement conditions were set as follows.
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Abstract
Description
ウレタン化反応において、ゲル用イソシアネート成分中の活性水素基に対するゲル用イソシアネート成分中のイソシアネート基の当量比(NCO/活性水素基)が、例えば、0.2以上、好ましくは、0.4以上、例えば、0.8以下、好ましくは、0.7以下である。また、反応温度は、例えば、室温~120℃である。また、反応時間は、例えば、5分~72時間である。なお、反応温度は、一定温度であってもよく、段階的に昇温されていてもよく、また、段階的に冷却されていてもよい。
その結果、表皮層4に、微細凹凸構造が形成される。
なお、表皮層4が、表面に微細凹凸構造を有していない場合、例えば、反転凹凸構造を有していない金型を使用して、表皮層4を形成する。
合成例1 表皮用イソシアネート成分(イソシアネート基末端プレポリマー(A1))
温度計、攪拌装置、窒素導入管および冷却管が装着された反応器に、窒素雰囲気下で、ヘキサメチレンジイソシアネート(HDI、三井化学社製、商品名:タケネート700)500質量部と、2,6-ジ(tert-ブチル)-4-メチルフェノール(別名:ジブチルヒドロキシトルエン、BHT、ヒンダードフェノール系酸化防止剤)0.25質量部と、テトラフェニル・ジプロピレングリコール・ジホスファイト(有機亜リン酸エステル、助触媒)0.25質量とを投入し、これらを混合した。得られた混合液に、1,3-ブタンジオール10.7質量部を添加し、さらに、窒素を1時間導入した。次いで、混合液を、80℃に昇温し3時間反応させた。次いで、混合液を、60℃に降温した。その後、混合液に、トリメチル-N-2-ヒドロキシプロピルアンモニウム・2-エチルヘキサノエート(イソシアヌレート化触媒)0.2質量部を添加し、1.5時間反応させた。さらに、混合液に、o-トルエンスルホンアミド0.05質量部を添加した。次いで、混合液を、薄膜蒸留装置(温度150℃、真空度93.3Pa)にて蒸留し、残存HDIモノマー量を1.0%以下に調整した。
温度計、攪拌装置、窒素導入管および冷却管が装着された反応器に、窒素雰囲気下で、1,6-ヘキサメチレンカーボネートジオール(第2原料ポリオール、1,6-ヘキサンジオールを開始剤としたポリカーボネートポリオール、旭化成社製、商品名デュラノールT6001)266質量部を投入し、反応器内を80℃に維持した。
温度計、攪拌装置、窒素導入管および冷却管が装着された反応器に、窒素雰囲気下で、カプロラクトンジオール(第2原料ポリオール、ダイセル社製品、商品名プラクセル210)246質量部と、エチレングリコール0.6質量部と、1,4-ブタンジオール9質量部と、トリメチロールプロパン3.7質量部とを混合し、反応器内を80℃に維持した。
(1)金型の凹凸加工
内寸120mm×120mm×2mmの金型を準備した。また、金型の内面の一方側を、梨地加工した。すなわち、金型の内面の一方側に、微細凹凸構造を形成した。金型の内面の一方側の算術平均粗さRaを、JIS B 0601(2001)に準拠し、また、後述の方法および条件で、測定した。金型の内面の一方側の算術平均粗さRaは、10μmであった。
表皮用ポリオール成分(主剤)としてのポリウレタンポリオール(B1)100質量部と、表皮用イソシアネート成分(硬化剤)としてのイソシアネート基末端プレポリマー(A1)5質量部と、混合溶剤(メチルエチルケトン50質量部、酢酸エチルエステル50質量部)150質量部とを混合し、コート液を得た。
下記成分をスリーワンモーターで撹拌し、レジンプレミックスを得た。
PTXG-1800(ポリテトラメチレンエーテルポリオール、テトラヒドロフランとネオペンチルグリコールとの共重合体、非晶性ポリテトラメチレンエーテルグリコール、数平均分子量1800、平均水酸基価60mgKOH/g、平均官能基数2、旭化成製)100質量部
ヘキサモルDINCH(可塑剤、水素添加フタル酸ジイソノニル、BASFジャパン製)127.15質量部
ジラウリン酸ジブチルすず(ウレタン化触媒、ジラウリン酸ジブチルすず(IV)、東京化成工業社)0.024質量部
BYK-088(消泡剤、シリコーン系界面活性剤、ビックケミー・ジャパン製)0.24質量部
上記レジンプレミックス 100質量部
スタビオD-370N(ペンタメチレンジイソシアネートのイソシアヌレート誘導体、三井化学製)4.66質量部
当量比(NCO/活性水素基):0.583
ポリウレタン発泡体として、テラヴィーナスWS(商品名、雪ヶ谷化学工業製、平均厚み10mm(10000μm))を準備した。これを発泡層とした。
表皮付ポリウレタンゲルと、発泡層とを、ゲル層のタックによって貼り合わせた。これにより、発泡層、ゲル層および表皮層を備える緩衝材を得た。
ポリウレタンポリオール(B1)に代えて、ポリウレタンポリオール(B2)を用いた。これ以外は、実施例1と同じ方法で、緩衝材を得た。表皮層の平均厚みは、100μmであった。また、表皮層の算術平均粗さRaを、後述の方法および条件で測定した。表皮層の算術平均粗さRaは、5.91μmであった。
コート液として、市販のフォルティモXSP-659(ビス(イソシアナトメチル)シクロヘキサン系溶液、固形分濃度16%、三井化学製)を使用した。これ以外は、実施例1と同じ方法で、緩衝材を得た。表皮層の平均厚みは、100μmであった。また、表皮層の算術平均粗さRaを、後述の方法および条件で測定した。表皮層の算術平均粗さRaは、5.3μmであった。
(1)貯蔵弾性率
緩衝材のゲル層の貯蔵弾性率(E’gel)および発泡層の貯蔵弾性率(E’foam)を、以下の方法で求めた。
ポリウレタン樹脂を含むコート液を乾燥させることにより、平均厚み0.04mmの表皮サンプルを得た。なお、表皮サンプルには、微細凹凸構造を形成しなかった。
緩衝材の表皮層の表面の算術平均粗さRaを、以下の方法で求めた。また、金型の内面の算術平均粗さRaを、以下の方法で求めた。
(1)摩擦試験
緩衝材の表皮層の表面の動摩擦係数を、ハンディプローブを備えた触感計(トライポギアType33、新東科学社製)によって、測定した。なお、測定条件を、以下の通りに設定した。
緩衝材の表皮層の表面に対して、人差し指を、摺動させた。そして、以下の基準で、摺動に対する滑らかさを評価した。
△:少し凹凸を感じる。指が滑りやすい。
×:凹凸を感じる。指が滑りにくい。
実施例3
(1)金型の凹凸加工
内寸120mm×120mm×2mmの金型を準備した。また、金型の内面の一方側を、梨地加工した。すなわち、金型の内面の一方側に、微細凹凸構造を形成した。金型の内面の一方側の算術平均粗さRaを、JIS B 0601(2001)に準拠し、また、後述の方法および条件で、測定した。金型の内面の一方側の算術平均粗さRaは、3.5μmであった。
ポリウレタン樹脂を含むコート液として、フォルティモXSP-659(ビス(イソシアナトメチル)シクロヘキサン系溶液、固形分濃度16%、三井化学製)を準備した。
すなわち、表皮層に微細凹凸構造を形成した。表皮層の平均厚みは、100μmであった。また、表皮層の算術平均粗さRaを、後述の方法および条件で測定した。表皮層の算術平均粗さRaは、1.5μmであった。
下記成分をスリーワンモーターで撹拌し、レジンプレミックスを得た。
PTXG-1800(ポリテトラメチレンエーテルポリオール、テトラヒドロフランとネオペンチルグリコールとの共重合体、非晶性ポリテトラメチレンエーテルグリコール、数平均分子量1800、平均水酸基価60mgKOH/g、平均官能基数2、旭化成製)100質量部
ヘキサモルDINCH(可塑剤、水素添加フタル酸ジイソノニル、BASFジャパン製)127.15質量部
ジラウリン酸ジブチルすず(ウレタン化触媒、ジラウリン酸ジブチルすず(IV)、東京化成工業社)0.024質量部
BYK-088(消泡剤、シリコーン系界面活性剤、ビックケミー・ジャパン製)0.24質量部
上記レジンプレミックス 100質量部
スタビオD-370N(ペンタメチレンジイソシアネートのイソシアヌレート誘導体、三井化学製)4.66質量部
当量比(NCO/活性水素基):0.583
ポリウレタン発泡体として、テラヴィーナスWS(商品名、雪ヶ谷化学工業製、平均厚み10mm(10000μm))を準備した。これを発泡層とした。
表皮付ポリウレタンゲルと、発泡層とを、ゲル層のタックによって貼り合わせた。これにより、発泡層、ゲル層および表皮層を備える緩衝材を得た。
金型の凹凸加工において、金型の内面の算術平均粗さRaを、7.0μmに調整した。これ以外は、実施例3と同じ方法で、緩衝材を得た。また、表皮層の算術平均粗さRaを、後述の方法および条件で測定した。表皮層の算術平均粗さRaは、3.6μmであった。
金型の凹凸加工において、金型の内面の算術平均粗さRaを、10.0μmに調整した。これ以外は、実施例3と同じ方法で、緩衝材を得た。また、表皮層の算術平均粗さRaを、後述の方法および条件で測定した。表皮層の算術平均粗さRaは、5.3μmであった。
金型の内面を凹凸加工しなかった。これ以外は、実施例3と同じ方法で、緩衝材を得た。
(1)貯蔵弾性率
緩衝材のゲル層の貯蔵弾性率(E’gel)および発泡層の貯蔵弾性率(E’foam)を、以下の方法で求めた。
緩衝材の表皮層の表面の算術平均粗さRaを、以下の方法で求めた。また、金型の内面の算術平均粗さRaを、以下の方法で求めた。
(1)摩擦試験
緩衝材の表皮層の表面の動摩擦係数を、ハンディプローブを備えた触感計(トライポギアType33、新東科学社製)によって、測定した。なお、測定条件を、以下の通りに設定した。
緩衝材の表皮層の表面に対して、人差し指を、摺動させた。そして、以下の基準で、摺動に対する滑らかさを評価した。
△:凹凸を感じる。指が滑りにくい。
×:凹凸を感じる。指がほとんど滑らない。
2 表皮付ポリウレタンゲル
3 ゲル層
4 表皮層
5 発泡層
Claims (6)
- ゲル層と表皮層とを備える緩衝材であって、
前記ゲル層は、ポリウレタンゲルを含み、
前記ゲル層の23℃における貯蔵弾性率(E’gel)は、0.01MPa以上10MPa以下であり、
前記表皮層は、前記ゲル層の一方面に配置されており、
前記表皮層の100%モジュラスが5.0MPa以下である
、および/または、
前記表皮層は、表面に微細凹凸構造を有し、
下記条件で測定される、前記表皮層の表面の算術平均粗さRaが、0μmを超過し10μm以下である、緩衝材。
算術平均粗さRa測定条件;球状φ1.6mmの接触子、仕様荷重0.4gf、測定長さ40mm、カットオフ波長0.8mm、測定速度0.15mm/sec - 前記表皮層の平均厚みが、10μm以上1000μm以下である、請求項1に記載の緩衝材。
- さらに、発泡層を備え、
前記発泡層は、前記ゲル層の前記一方面に対する他方面に配置されており、
前記発泡層の平均厚みが、1000μm以上50000μm以下であり、
前記ゲル層の平均厚みが、500μm以上10000μm以下である、請求項1に記載の緩衝材。 - 前記発泡層の密度が、80kg/m3以上200kg/m3以下であり、
前記ゲル層の密度が、500kg/m3以上1200kg/m3以下である、請求項3に記載の緩衝材。 - 請求項1に記載の緩衝材を含む、外装材。
- 請求項1に記載の緩衝材を含む、ロボット部品。
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005052181A (ja) * | 2003-08-01 | 2005-03-03 | Sumitomo Rubber Ind Ltd | クッション材 |
JP2011525446A (ja) * | 2008-06-27 | 2011-09-22 | シェーリング−プラウ ヘルスケア プロダクツ,インコーポレイテッド | クッションデバイス |
JP2016505431A (ja) * | 2013-01-24 | 2016-02-25 | テクノゲル・ゲーエムベーハーTechnogel GmbH | クッション状の成形体およびその使用 |
JP2016155295A (ja) * | 2015-02-24 | 2016-09-01 | イイダ産業株式会社 | 軟質複合体 |
WO2017010422A1 (ja) | 2015-07-10 | 2017-01-19 | 三井化学株式会社 | ポリウレタンゲルおよびその製造方法 |
JP2019001868A (ja) * | 2017-06-13 | 2019-01-10 | トヨタ自動車株式会社 | 自動車内装用部品 |
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- 2023-03-23 WO PCT/JP2023/011516 patent/WO2023182430A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005052181A (ja) * | 2003-08-01 | 2005-03-03 | Sumitomo Rubber Ind Ltd | クッション材 |
JP2011525446A (ja) * | 2008-06-27 | 2011-09-22 | シェーリング−プラウ ヘルスケア プロダクツ,インコーポレイテッド | クッションデバイス |
JP2016505431A (ja) * | 2013-01-24 | 2016-02-25 | テクノゲル・ゲーエムベーハーTechnogel GmbH | クッション状の成形体およびその使用 |
JP2016155295A (ja) * | 2015-02-24 | 2016-09-01 | イイダ産業株式会社 | 軟質複合体 |
WO2017010422A1 (ja) | 2015-07-10 | 2017-01-19 | 三井化学株式会社 | ポリウレタンゲルおよびその製造方法 |
JP2019001868A (ja) * | 2017-06-13 | 2019-01-10 | トヨタ自動車株式会社 | 自動車内装用部品 |
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