JPH0512715B2 - - Google Patents
Info
- Publication number
- JPH0512715B2 JPH0512715B2 JP62335735A JP33573587A JPH0512715B2 JP H0512715 B2 JPH0512715 B2 JP H0512715B2 JP 62335735 A JP62335735 A JP 62335735A JP 33573587 A JP33573587 A JP 33573587A JP H0512715 B2 JPH0512715 B2 JP H0512715B2
- Authority
- JP
- Japan
- Prior art keywords
- casein
- elastomer
- ivory
- keyboard
- weight
- Prior art date
- 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
- 239000005018 casein Substances 0.000 claims description 49
- 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 49
- 235000021240 caseins Nutrition 0.000 claims description 49
- 229920001971 elastomer Polymers 0.000 claims description 36
- 239000000806 elastomer Substances 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 34
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 16
- 239000010419 fine particle Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000004898 kneading Methods 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 229940108461 rennet Drugs 0.000 description 3
- 108010058314 rennet Proteins 0.000 description 3
- 210000004243 sweat Anatomy 0.000 description 3
- 239000004952 Polyamide Substances 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
- 230000001112 coagulating effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000001816 cooling 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
- -1 lithopone Chemical compound 0.000 description 2
- 239000000203 mixture Substances 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
- 238000003825 pressing Methods 0.000 description 2
- 239000002994 raw material Substances 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
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000000861 blow drying Methods 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
- 238000001035 drying Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000945 filler Substances 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
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000000314 lubricant Substances 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
- 238000002156 mixing Methods 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
- 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
- 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
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62335735A JPH01177078A (ja) | 1987-12-28 | 1987-12-28 | 象牙状鍵盤材およびその製造法 |
| DE3854425T DE3854425T2 (de) | 1987-12-28 | 1988-12-23 | Elfenbeinartiges Tastenmaterial und Verfahren zur Herstellung. |
| EP88850436A EP0323425B1 (en) | 1987-12-28 | 1988-12-23 | An ivory-like key material and a method for producing the same |
| KR1019880017586A KR930003514B1 (ko) | 1987-12-28 | 1988-12-27 | 상아상 건반재와 그것의 제조방법 |
| US07/291,054 US4960805A (en) | 1987-12-28 | 1988-12-28 | Ivory-like key material and a method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62335735A JPH01177078A (ja) | 1987-12-28 | 1987-12-28 | 象牙状鍵盤材およびその製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01177078A JPH01177078A (ja) | 1989-07-13 |
| JPH0512715B2 true JPH0512715B2 (enrdf_load_stackoverflow) | 1993-02-18 |
Family
ID=18291889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62335735A Granted JPH01177078A (ja) | 1987-12-28 | 1987-12-28 | 象牙状鍵盤材およびその製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01177078A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008116758A (ja) * | 2006-11-06 | 2008-05-22 | Yamaha Corp | 電子楽器の鍵盤装置 |
| JP5311535B2 (ja) * | 2007-12-05 | 2013-10-09 | 旭化成ケミカルズ株式会社 | 鍵盤 |
-
1987
- 1987-12-28 JP JP62335735A patent/JPH01177078A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01177078A (ja) | 1989-07-13 |
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