JPH0512716B2 - - Google Patents

Info

Publication number

JPH0512716B2

JPH0512716B2 JP62335736A JP33573687A JPH0512716B2 JP H0512716 B2 JPH0512716 B2 JP H0512716B2 JP 62335736 A JP62335736 A JP 62335736A JP 33573687 A JP33573687 A JP 33573687A JP H0512716 B2 JPH0512716 B2 JP H0512716B2

Authority

JP

Japan

Prior art keywords

elastomer

casein

ivory

keyboard

weight

Prior art date

1987-12-28

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired - Lifetime

Links

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• 239000005018 casein Substances 0.000 claims description 50
• BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 claims description 50
• 235000021240 caseins Nutrition 0.000 claims description 50
• 239000000463 material Substances 0.000 claims description 40
• 229920001971 elastomer Polymers 0.000 claims description 37
• 239000000806 elastomer Substances 0.000 claims description 37
• WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 16
• 239000011256 inorganic filler Substances 0.000 claims description 15
• 229910003475 inorganic filler Inorganic materials 0.000 claims description 15
• 239000010419 fine particle Substances 0.000 claims description 12
• 239000002245 particle Substances 0.000 claims description 12
• 229920005989 resin Polymers 0.000 claims description 12
• 239000011347 resin Substances 0.000 claims description 12
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
• 238000004519 manufacturing process Methods 0.000 claims description 10
• 238000000465 moulding Methods 0.000 claims description 9
• 238000004898 kneading Methods 0.000 claims description 8
• 229920003225 polyurethane elastomer Polymers 0.000 claims description 6
• 239000000945 filler Substances 0.000 description 6
• 239000011159 matrix material Substances 0.000 description 6
• WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 5
• 238000005520 cutting process Methods 0.000 description 5
• 210000004243 sweat Anatomy 0.000 description 5
• 239000000839 emulsion Substances 0.000 description 4
• 238000000034 method Methods 0.000 description 4
• 238000010438 heat treatment Methods 0.000 description 3
• 238000005498 polishing Methods 0.000 description 3
• -1 polymethylcellulose Polymers 0.000 description 3
• 229920002635 polyurethane Polymers 0.000 description 3
• 239000004814 polyurethane Substances 0.000 description 3
• 239000000843 powder Substances 0.000 description 3
• 238000003825 pressing Methods 0.000 description 3
• 239000002994 raw material Substances 0.000 description 3
• 229940108461 rennet Drugs 0.000 description 3
• 108010058314 rennet Proteins 0.000 description 3
• 239000004952 Polyamide Substances 0.000 description 2
• VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
• GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
• XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
• 238000010521 absorption reaction Methods 0.000 description 2
• 239000002253 acid Substances 0.000 description 2
• 239000000654 additive Substances 0.000 description 2
• PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
• TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
• 230000001112 coagulating effect Effects 0.000 description 2
• 239000003086 colorant Substances 0.000 description 2
• 238000001816 cooling Methods 0.000 description 2
• 238000005336 cracking Methods 0.000 description 2
• 238000001035 drying Methods 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 238000001125 extrusion Methods 0.000 description 2
• 238000000227 grinding Methods 0.000 description 2
• 238000007654 immersion Methods 0.000 description 2
• 239000000049 pigment Substances 0.000 description 2
• 229920002647 polyamide Polymers 0.000 description 2
• 238000012805 post-processing Methods 0.000 description 2
• 235000012239 silicon dioxide Nutrition 0.000 description 2
• 239000000126 substance Substances 0.000 description 2
• OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
• 239000002023 wood Substances 0.000 description 2
• 241000283690 Bos taurus Species 0.000 description 1
• 241000283707 Capra Species 0.000 description 1
• 108090000746 Chymosin Proteins 0.000 description 1
• 241000283086 Equidae Species 0.000 description 1
• SJEYSFABYSGQBG-UHFFFAOYSA-M Patent blue Chemical compound [Na+].C1=CC(N(CC)CC)=CC=C1C(C=1C(=CC(=CC=1)S([O-])(=O)=O)S([O-])(=O)=O)=C1C=CC(=[N+](CC)CC)C=C1 SJEYSFABYSGQBG-UHFFFAOYSA-M 0.000 description 1
• 102000007982 Phosphoproteins Human genes 0.000 description 1
• 108010089430 Phosphoproteins Proteins 0.000 description 1
• 239000002202 Polyethylene glycol Substances 0.000 description 1
• 239000004721 Polyphenylene oxide Substances 0.000 description 1
• 239000004372 Polyvinyl alcohol Substances 0.000 description 1
• 229920002472 Starch Polymers 0.000 description 1
• 239000000980 acid dye Substances 0.000 description 1
• 229910052782 aluminium Inorganic materials 0.000 description 1
• 239000003963 antioxidant agent Substances 0.000 description 1
• 239000002216 antistatic agent Substances 0.000 description 1
• AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
• 239000000920 calcium hydroxide Substances 0.000 description 1
• 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
• 239000001506 calcium phosphate Substances 0.000 description 1
• 229910000389 calcium phosphate Inorganic materials 0.000 description 1
• 235000011010 calcium phosphates Nutrition 0.000 description 1
• 239000000378 calcium silicate Substances 0.000 description 1
• 229910052918 calcium silicate Inorganic materials 0.000 description 1
• OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
• ZHZFKLKREFECML-UHFFFAOYSA-L calcium;sulfate;hydrate Chemical compound O.[Ca+2].[O-]S([O-])(=O)=O ZHZFKLKREFECML-UHFFFAOYSA-L 0.000 description 1
• 239000001913 cellulose Substances 0.000 description 1
• 229920002678 cellulose Polymers 0.000 description 1
• YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
• 230000008602 contraction Effects 0.000 description 1
• 230000007423 decrease Effects 0.000 description 1
• 230000006866 deterioration Effects 0.000 description 1
• 238000007599 discharging Methods 0.000 description 1
• 239000000975 dye Substances 0.000 description 1
• 150000002148 esters Chemical class 0.000 description 1
• 239000008187 granular material Substances 0.000 description 1
• 230000001771 impaired effect Effects 0.000 description 1
• 239000004615 ingredient Substances 0.000 description 1
• 244000144972 livestock Species 0.000 description 1
• 239000000314 lubricant Substances 0.000 description 1
• ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
• VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
• 239000000347 magnesium hydroxide Substances 0.000 description 1
• 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
• HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
• 239000000391 magnesium silicate Substances 0.000 description 1
• 229910052919 magnesium silicate Inorganic materials 0.000 description 1
• 235000019792 magnesium silicate Nutrition 0.000 description 1
• WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
• 238000001000 micrograph Methods 0.000 description 1
• 235000013336 milk Nutrition 0.000 description 1
• 239000008267 milk Substances 0.000 description 1
• 210000004080 milk Anatomy 0.000 description 1
• 239000012764 mineral filler Substances 0.000 description 1
• 238000002156 mixing Methods 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 239000003607 modifier Substances 0.000 description 1
• 229920005615 natural polymer Polymers 0.000 description 1
• 229920006173 natural rubber latex Polymers 0.000 description 1
• 210000000056 organ Anatomy 0.000 description 1
• 239000004014 plasticizer Substances 0.000 description 1
• 229920002401 polyacrylamide Polymers 0.000 description 1
• 229920002239 polyacrylonitrile Polymers 0.000 description 1
• 229920000728 polyester Polymers 0.000 description 1
• 229920000570 polyether Polymers 0.000 description 1
• 229920001223 polyethylene glycol Polymers 0.000 description 1
• 229920000642 polymer Polymers 0.000 description 1
• 229920000193 polymethacrylate Polymers 0.000 description 1
• 229920002689 polyvinyl acetate Polymers 0.000 description 1
• 239000011118 polyvinyl acetate Substances 0.000 description 1
• 229920002451 polyvinyl alcohol Polymers 0.000 description 1
• 239000004800 polyvinyl chloride Substances 0.000 description 1
• 229920000915 polyvinyl chloride Polymers 0.000 description 1
• 229920001289 polyvinyl ether Polymers 0.000 description 1
• 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
• 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
• 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
• 235000018102 proteins Nutrition 0.000 description 1
• 108090000623 proteins and genes Proteins 0.000 description 1
• 102000004169 proteins and genes Human genes 0.000 description 1
• RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
• 239000000377 silicon dioxide Substances 0.000 description 1
• 239000000243 solution Substances 0.000 description 1
• 239000008107 starch Substances 0.000 description 1
• 235000019698 starch Nutrition 0.000 description 1
• 229920003051 synthetic elastomer Polymers 0.000 description 1
• 229920001059 synthetic polymer Polymers 0.000 description 1
• 229920003002 synthetic resin Polymers 0.000 description 1
• 239000000057 synthetic resin Substances 0.000 description 1
• 239000005061 synthetic rubber Substances 0.000 description 1
• QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
• 239000011787 zinc oxide Substances 0.000 description 1