JPH01177079A

JPH01177079A - 象牙状鍵盤材およびその製造法

象牙状鍵盤材およびその製造法

Info

Publication number: JPH01177079A
Authority: JP; Japan
Prior art keywords: casein; elastomer; ivory; keyboard; inorganic filler
Prior art date: 1987-12-28
Legal status : Granted

Application number

JP62335736A

Other languages

English (en)

Japanese (ja)

Other versions

JPH0512716B2 (enrdf_load_stackoverflow

Inventor

Yutaka Oshima

裕大島

Current Assignee

Yamaha Corp

Original Assignee

Yamaha Corp

Priority date

1987-12-28

Filing date

1987-12-28

Publication date

1989-07-13

1987-12-28 Application filed by Yamaha Corp filed Critical Yamaha Corp

1987-12-28 Priority to JP62335736A priority Critical patent/JPH01177079A/ja

1988-12-23 Priority to DE3854425T priority patent/DE3854425T2/de

1988-12-23 Priority to EP88850436A priority patent/EP0323425B1/en

1988-12-27 Priority to KR1019880017586A priority patent/KR930003514B1/ko

1988-12-28 Priority to US07/291,054 priority patent/US4960805A/en

1989-07-13 Publication of JPH01177079A publication Critical patent/JPH01177079A/ja

1993-02-18 Publication of JPH0512716B2 publication Critical patent/JPH0512716B2/ja

Status Granted legal-status Critical Current

Links

239000005018 casein Substances 0.000 claims abstract description 54
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 abstract description 54
235000021240 caseins Nutrition 0.000 claims abstract description 54
239000000463 material Substances 0.000 claims abstract description 44
229920001971 elastomer Polymers 0.000 claims abstract description 41
239000000806 elastomer Substances 0.000 claims abstract description 41
239000011256 inorganic filler Substances 0.000 claims abstract description 18
229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 18
229920005989 resin Polymers 0.000 claims abstract description 15
239000011347 resin Substances 0.000 claims abstract description 15
229920003225 polyurethane elastomer Polymers 0.000 claims abstract description 7
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 19
239000010419 fine particle Substances 0.000 claims description 12
238000004519 manufacturing process Methods 0.000 claims description 11
238000000465 moulding Methods 0.000 claims description 11
239000002245 particle Substances 0.000 claims description 11
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
238000004898 kneading Methods 0.000 claims description 7
238000005520 cutting process Methods 0.000 abstract description 6
238000005498 polishing Methods 0.000 abstract description 4
238000000227 grinding Methods 0.000 abstract description 3
238000002156 mixing Methods 0.000 abstract description 3
238000011109 contamination Methods 0.000 abstract 1
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
210000004243 sweat Anatomy 0.000 description 5
238000000034 method Methods 0.000 description 4
239000000839 emulsion Substances 0.000 description 3
238000010438 heat treatment Methods 0.000 description 3
229920002635 polyurethane Polymers 0.000 description 3
239000004814 polyurethane Substances 0.000 description 3
238000003825 pressing Methods 0.000 description 3
239000002994 raw material Substances 0.000 description 3
239000000126 substance Substances 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
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
239000001913 cellulose Substances 0.000 description 2
229920002678 cellulose Polymers 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
238000001035 drying Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000001125 extrusion Methods 0.000 description 2
-1 lithopone Chemical compound 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
239000000843 powder Substances 0.000 description 2
229940108461 rennet Drugs 0.000 description 2
108010058314 rennet Proteins 0.000 description 2
235000012239 silicon dioxide Nutrition 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
229920002125 Sokalan® Polymers 0.000 description 1
229920002472 Starch Polymers 0.000 description 1
238000010521 absorption reaction Methods 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
238000007664 blowing Methods 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
230000008602 contraction Effects 0.000 description 1
238000005336 cracking Methods 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
238000005516 engineering process Methods 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
238000007654 immersion Methods 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
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
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
239000004584 polyacrylic acid Substances 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
229920000915 polyvinyl chloride Polymers 0.000 description 1
239000004800 polyvinyl chloride Substances 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
238000006748 scratching Methods 0.000 description 1
230000002393 scratching effect Effects 0.000 description 1
239000000565 sealant Substances 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
238000002791 soaking Methods 0.000 description 1
238000010186 staining Methods 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