JPH0482025B2 - - Google Patents
Info
- Publication number
- JPH0482025B2 JPH0482025B2 JP61101202A JP10120286A JPH0482025B2 JP H0482025 B2 JPH0482025 B2 JP H0482025B2 JP 61101202 A JP61101202 A JP 61101202A JP 10120286 A JP10120286 A JP 10120286A JP H0482025 B2 JPH0482025 B2 JP H0482025B2
- Authority
- JP
- Japan
- Prior art keywords
- emulsion
- weight
- water
- parts
- phenyltrimethoxysilane
- 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
- 239000000839 emulsion Substances 0.000 claims description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 21
- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 claims description 16
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 14
- 230000032683 aging Effects 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 125000000962 organic group Chemical group 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 125000000129 anionic group Chemical group 0.000 claims description 4
- 235000011837 pasties Nutrition 0.000 claims description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 3
- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 30
- 239000000945 filler Substances 0.000 description 21
- 229920001296 polysiloxane Polymers 0.000 description 11
- 229920001971 elastomer Polymers 0.000 description 10
- 239000000806 elastomer Substances 0.000 description 8
- -1 polydimethylsiloxane Polymers 0.000 description 8
- XQBCVRSTVUHIGH-UHFFFAOYSA-L [dodecanoyloxy(dioctyl)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCCCCCC)(CCCCCCCC)OC(=O)CCCCCCCCCCC XQBCVRSTVUHIGH-UHFFFAOYSA-L 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000004205 dimethyl polysiloxane Substances 0.000 description 6
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 6
- 239000004615 ingredient Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 150000004756 silanes Chemical class 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000002518 antifoaming agent Substances 0.000 description 3
- 239000003431 cross linking reagent Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000004971 Cross linker Substances 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000012975 dibutyltin dilaurate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- SBRXLTRZCJVAPH-UHFFFAOYSA-N ethyl(trimethoxy)silane Chemical compound CC[Si](OC)(OC)OC SBRXLTRZCJVAPH-UHFFFAOYSA-N 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 229940058020 2-amino-2-methyl-1-propanol Drugs 0.000 description 1
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 description 1
- 241000611421 Elia Species 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- ISKQADXMHQSTHK-UHFFFAOYSA-N [4-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=C(CN)C=C1 ISKQADXMHQSTHK-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000010556 emulsion polymerization method Methods 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 description 1
- WHIVNJATOVLWBW-UHFFFAOYSA-N n-butan-2-ylidenehydroxylamine Chemical compound CCC(C)=NO WHIVNJATOVLWBW-UHFFFAOYSA-N 0.000 description 1
- 239000007764 o/w emulsion Substances 0.000 description 1
- KBXJHRABGYYAFC-UHFFFAOYSA-N octaphenylsilsesquioxane Chemical compound O1[Si](O2)(C=3C=CC=CC=3)O[Si](O3)(C=4C=CC=CC=4)O[Si](O4)(C=5C=CC=CC=5)O[Si]1(C=1C=CC=CC=1)O[Si](O1)(C=5C=CC=CC=5)O[Si]2(C=2C=CC=CC=2)O[Si]3(C=2C=CC=CC=2)O[Si]41C1=CC=CC=C1 KBXJHRABGYYAFC-UHFFFAOYSA-N 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/34—Filling pastes
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S528/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S528/901—Room temperature curable silicon-containing polymer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
- Paints Or Removers (AREA)
Description
ãç£æ¥äžã®å©çšåéã
æ¬çºæã¯æ°Žæ§ã·ãªã³ãŒã³çµæç©ã«ä¿ãããã®çµ
æç©ã¯ããŒã¹ãç¶ç²åºŠãæããã€å®€æž©ã§æ°Žãé€å»
ãããšãããšãªãããã®ããã¯èåããŠã硬åã
ããäžæ°Žæº¶æ§ã§ãããæ®ãã©ã®è¡šé¢ã«æ¥çããã ãåŸæ¥ã®æè¡ããã³çºæã解決ããããšããåé¡
ç¹ã æ°Žãé€å»ãããšç¡¬åããæ°Žæ§ãšãã«ãžãšã³ãã
ãªãå€ãã®çµæç©ãé瀺ãããŠãããEliasãã
ã³Freibergã«1984幎ïŒæ24æ¥ä»äžãããç±³åœç¹èš±
第4427811å·ã«ã³ãŒãã³ã°æãšããŠæçšãªçµæã§
ä¿å寿åœãæ¹è¯ããããšãã«ãžãšã³ãé瀺ãããŠ
ããã圢æãããã³ãŒãã³ã°æã¯é¡èãªåŒåŒµåŒ·åºŠ
ãšäŒžã³ãæãã匟æ§è£œåã§ããã Cekadaã¯1967幎11æ28æ¥çºè¡ã®ç±³åœç¹èš±ç¬¬
3355406å·ã«ãããŠã·ãªã³ãŒã³ãŽã ãŸãã¯ãã©ã¹
ããã¯ã®ãã€ã«ã ã圢æããã©ããã¯ã¹ãé瀺ã
ãã圌ã¯ãäŸãã°ããã®äŸïŒã«ãããŠãç·ç¶æ°Žé ž
åºæ«ç«¯ãããã¯ããªãžã¡ãã«ã·ãããµã³ã圌ã®ã
ãšãã«ã·ã«ã»ã¹ããªããµã³å å¡«æãããšãã«ããª
ã¡ããã·ã·ã©ã³ãããã³ãžããã«é«ãžã©ãŠã¬ãŒã
ãæ··åããŠãšãã«ãžãšã³ãåŸãããã®ãšãã«ãžãš
ã³ã¯ãæ°Žãé€å»ãããšãå®è³ªçãªç¡¬åºŠãšåŒåŒµåŒ·åºŠ
ãšäŒžã³ãæãããŽã ãã€ã«ã ãæäŸãããããšã
ã«ããªã¡ããã·ã·ã©ã³ãæ¶æ©å€ãšããŠçšããåŸã
ããçæç©ã¯ãšã©ã¹ãããŒã§ããããã€ãã®å¥ã®
äŸã瀺ãããŠããã圌ã®æ瀺ã«ãããšäžè¬åŒ
AmSiïŒORïŒ4-nãäžå®èœã·ã©ã³ã奜ãŸãããã
æããæ¶æ©å€ãé©åœã§ããã圌ã¯åŸããããŽã ã«
察ããå¹æã«é¢ããŠåçš®ã·ã©ã³ãåºå¥ããŠããª
ãã ãããã®æç®ã¯æ°Žãé€å»ãããšãšã©ã¹ãããŒã
æäŸããçµæç©ãé瀺ããŠãããããã¯æ°Žãé€å»
ãããšããããªããšãã«ãžãšã³ã補é ããæ¹æ³ã¯
é瀺ããŠããªãã ããŒã¹ãæ§ç²åºŠãæããŠããã®ã§ã³ãŒãã³ã°æ
ãšããŠé©ããŠããæ°Žæ§ãšãã«ãžãšã³ãéçºãããŠ
ãããããã¯æ°Žãé€å»ãããšã125ã300ã®å¯å¡åºŠ
æ°ãæããããæ§ææã§ãããæ®ãã©ã®åºæã«ä»
çããæ°Žäžæº¶æ§ã§ããããããŠèåããŠãèªãã
ãçšåºŠã«ç¡¬åããªããçæç©ãäžããããã®ã·ãª
ã³ãŒã³ããã¯æ°Žé žåºæ«ç«¯ãããã¯ããªãžãªã«ã¬ã
ã·ãããµã³ãšãã«ãžãšã³ããžã¢ã«ãã«é«ãžã«ã«ã
ãã·ã¬ãŒããããšãã«ããªã¡ããã·ã·ã©ã³ããã
ã³äžæŽ»æ§éã±ã€çŽ 質å å¡«æãé©åœãªæ¯çã§æ··åã
ãŠåŸãããçæç©ããæ¬è³ªçã«ãªãã æ¬çºæã®ç®çã¯ãããŒã¹ãæ§ç²åºŠãæããã®ã§
ã³ãŒãã³ã°æãšããŠé©åœã§ããããŸãæ¥çæ§ãæ°Ž
äžæº¶æ§ã§ãããã€èåããŠãèªãããçšåºŠã«ç¡¬å
ããªãããæ§çæç©ãäžãããæ°Žæ§ãšãã«ãžãšã³
ã補é ããããšã«ããã ãåé¡ç¹ã解決ããããã®æ段ããã³äœçšå¹æã æ¬çºæã¯ã(A)50000以äžã®ééå¹³åååéãæ
ããé°ã€ãªã³ã§å®å®åããæ°Žé žåºæ«ç«¯ãããã¯ã
ãªãžãªã«ã¬ãã·ãããµã³ïŒããã«ãªã«ã¬ãåºã¯åº
åœãïŒåããå°ãªãççŽ ååãå«ãäžäŸ¡ã®çåæ°Ž
çŽ åºãŸãã¯åºåœãïŒåããå°ãªãççŽ ååãå«ã
ïŒâïŒãã«ãã«ãªãã¢ã«ãã«ïŒãšãã«åºã§ããïŒ
100éééšããã®ããªãªã«ã¬ãã·ãããµã³ã¯æ°Žäž
ã«åæ£ããç²åãšããŠååšãããšãã«ãžãšã³ã¯ïŒ
ãã倧ããPHãš50ééïŒ ãã倧ããåºåœ¢åãæ
ãã(B)ãžã¢ã«ãã«é«ãžã«ã«ããã·ã¬ãŒã0.05ã
0.4éééšã(C)ããšãã«ããªã¡ããã·ã·ã©ã³ïŒã
12éééšãããã³(D)2ÎŒïœããå°ããå¹³åç²åŸã
æããäžæŽ»æ§éã±ã€çŽ 質å å¡«æ50ã200éééšã
æ··åããŠçæãããããŒã¹ãç¶ç²æ§ãæããææ
ã§ãã€ãŠãæ°Žãé€å»ãããšã125ã300ã®å¯å¡åºŠæ°
ïŒplasticity numberïŒãæããæ°Žã«äžæº¶æ§ã§ã
ãããããŠèåããŠãèªãããçšåºŠã«ç¡¬åããªã
çæç©ããæ¬è³ªçã«æãã·ãªã³ãŒã³ããã«åãã
ããŠããã æ¬çºæã®ã·ãªã³ãŒã³çµæç©ã¯ããŒã¹ãæ§ææã®
ãããªç²åºŠãæããæ°Žæ§ãšãã«ãžãšã³ã§ãããã·
ãªã³ãŒã³çµæç©ããã®ãããªç²åºŠéå®ãæããç
ç±ã¯ããããåçŽãé äžããããã¯æ°Žå¹³ãªè¡šé¢ã®
äºè£ãééãå å¡«ããããã«æçšãªã³ãŒãã³ã°æ
ãšããŠçšããããšãæå³ããŠããããã§ãããçµ
æç©ã¯ä¿å容åšããåãåºããšæ°ŽãèžçºããŠä¹Ÿç¥
ããã也ç¥ããææã¯è»ããããŠå€åœ¢å¯èœãªææ
ã§ããã也ç¥ãããšãåºæã«ä»çãããå¯å¡åºŠèš
ã®ãããªå å§äžã«çœ®ããšãäžèšä¹Ÿç¥ææã¯ãã€ã
ãæµããŠASTM D926ã«åŸã€ãŠæž¬å®ããŠ125ã
300ã®å¯å¡åºŠæ°ã瀺ãããã®å¯å¡åºŠã®ç¯å²ã¯ãçµ
æç©ããæ°Žãé€ããåŸçãæéå ãäŸãã°ãïŒæ¥
以å ã«æž¬å®ããå Žåã«åŸããããããããé·ãã
äŸãã°ã30æ¥ã®æéèåããããšãå¯å¡åºŠã¯å ã
ã«ãäŸãã°20ïŒ ãŸã§äžæãããããã«é·ããäŸã
ã°ïŒãæèåããããšãå¯å¡åºŠã¯äŸãã°35ïŒ ãŸã§
äžæãããåŒãå¥ããæçã®è¡šé¢ãæ¥è§ŠããŠçœ®ã
ãšçžäºã«æ¥çãããäžèšä¹Ÿç¥ææã¯æ°Žäžã«çœ®ããŠ
ã溶解ããªãã也ç¥ææã¯èåããŠãèªãããçš
床ã«ç¡¬åãããéåžžã«è»ãããšã©ã¹ãããŒãç¶æ
ããã æ¬çºæã®ç®çããã¯ãããŒã¹ãæ§ææã¯ã
ASTM D2202ã«åŸã€ãŠæž¬å®ããŠïŒã2.54cmã®ã
ããŒãäžããã®ã«ååã«ç¡¬è³ªã§ããããã€ç±³åœè»
ä»æ§MILââ88020ã«åŸã€ãŠæž¬å®ãã3.18mmã®
ãªãªãã€ã¹ãçšã0.62MPaã®å§åã§æŒåºé床ã50
ïœïŒåãã倧ããã®ã«ååã«è»è³ªã§ããææãšã
ãŠå®çŸ©ããããïŒã0.8cmã®ãããŒãæããææ
ã奜ãŸãããã·ãªã³ãŒã³çµæç©ãåçŽãããã¯é
äžã®éšäœã«çšããããšãæå³ããå Žåã«ã¯ãçµæ
ç©ãæŒåºããå å·¥ãããšãçµæç©ããã®å Žæã«æ®
ãããã«ãããŒãäžèšç¯å²å ã§ããããšã奜ãŸã
ããçµæç©ãäŸãã°ãã€ãŠãšãŒæ¥åéšã®ãããªæ°Ž
å¹³ã®éšäœã«ã ã䜿çšããããšãæå³ããå Žåã«
ã¯ãããããã®ãããŒãäŸãã°ïŒmmãïŒcmã®ãã
ãŒããã€ãŠçµæç©ãå°æ¢ãã¹ãéå£éšã®åŽé¢ãæµ
ããŠãããæŒãããè¯å¥œãªæ¥çãéæãããããš
ã奜ãŸããã ã³ãŒãã³ã°æã¯æ®éããŠãŒãã«ä¿åãã䜿çšã
ããšãã«ããºã«ããæŒåºãã®ã§ãã·ãªã³ãŒã³çµæ
ç©ã¯50ïœïŒå以äžã®æŒåºé床ãæãããæ¬çºæã®
çµæç©ã®æŒåºé床ã¯äžèšè©Šéšæ¡ä»¶äžã§500ïœïŒå
ãã倧ããããšã奜ãŸãããæ¬çºæã®æ æ§ã§ã¯äœ
ããããŒãšé«ãæŒåºé床ã®äž¡æ¹ãæãããã®ã容
æã«äœæå¯èœã§ããããã¯ãšãã«ãžãšã³ç¶ã§ã¯ãª
ãã·ãªã³ãŒã³ãšã©ã¹ãããŒã«åºã¥ãã³ãŒãã³ã°æ
ãšé¡èã«ç°ãªãç¹ã§ããã æ¬çºæã§çšããé°ã€ãªã³å®å®åããæ°Žé žåºæ«ç«¯
ãããã¯ããªãžãªã«ã¬ãã·ãããµã³ã¯ä»æ¥æ¥çã§
è¯ãç¥ãããŠãããæ°Žé žåºæ«ç«¯ããªãžãªã«ã¬ãã·
ãããµã³(A)ã¯ããšãã«ãžãšã³åããããšãå¯èœã§
ããããšãã«ãžãšã³ããæ°Žãé€å»ããåŸã«ãåŸã
ããçæç©ã«ãšã©ã¹ãããŒã®æ§è³ªãä»äžãããã
ãŠé°ã€ãªã³ã§å®å®åããããã®ã§ãããåŒåŒµåŒ·åºŠ
ããã³ç Žææ䌞ã³ã¯ééå¹³åååéïŒMwïŒãå¢
å ããããšã«ãã€ãŠæ¹è¯ããã50000Mw以äžã§
é©åœãªåŒåŒµåŒ·åºŠãšäŒžã³ãåŸããããééå¹³ååå
éã®äžéã¯ããšãã«ãžãšã³åãå¯èœã§ããã€ãšã
ã«ãžãšã³ããæ°Žãé€å»ãããšãçæç©ã«ãšã©ã¹ã
ããŒã®æ§è³ªãäžããããšãå¯èœãªäžéã«ãã€ãŠèŠ
å®ããããæ°Žé žåºæ«ç«¯ãããã¯ããªãžãªã«ã¬ãã·
ãããµã³ã§ã¯çŽ1000000ãŸã§ã®ééå¹³åååéã¯
æ¬çºæã«ãšã€ãŠå®éçã§ãããšèãããããæ°Žé ž
åºæ«ç«¯ãããã¯ããªãžãªã«ã¬ãã·ãããµã³ã®å¥œãŸ
ããMwã¯200000ã700000ã®ç¯å²å ã§ããã æ°Žé žåºæ«ç«¯ãããã¯ããªãžãªã«ã¬ãã·ãããµã³
ã®ãªã«ã¬ãåºã¯åºåœãïŒããå°ãªãççŽ ååãå«
ãäžäŸ¡ã®çåæ°ŽçŽ åºããã³ïŒïŒïŒïŒïŒâããªãã«
ãªããããã«åºãïŒâïŒãã«ãããªãããã«ïŒãš
ãã«åºãå«ãïŒâïŒãã«ãããªãã¢ã«ãã«ïŒãšã
ã«åºã§ããããšãå¯èœã§ãããæ°Žé žåºæ«ç«¯ããã
ã¯ããªãžãªã«ã¬ãã·ãããµã³ã¯å°ãªããšã50ããŒ
ã»ã³ããã¡ãã«åºã§ãããªã«ã¬ãåºãå«ãããšã
奜ãŸãããæ°Žé žåºæ«ç«¯ãããã¯ããªãžãªã«ã¬ãã·
ãããµã³ã¯ã±ã€çŽ åååœãïŒåã®ãªã«ã¬ãåºãå«
ãç·ç¶ããªããŒããæ¬è³ªçã«æããã補é å·¥çšã®
äžçŽç©ãšããŠååšããçè·¡éã®ã¢ããªã«ã¬ãã·ã
ããµã³ãŸãã¯ããªãªã«ã¬ãã·ãããµã³åäœãå«ã
ã§ãããã奜ãŸããæ°Žé žåºæ«ç«¯ãããã¯ããªãžãª
ã«ã¬ãã·ãããµã³ã¯æ°Žé žåºæ«ç«¯ãããã¯ããªãžã¡
ãã«ã·ãããµã³ã§ããã 奜ãŸããé°ã€ãªã³å®å®åæ°Žé žåºæ«ç«¯ãããã¯ã
ãªãžãªã«ã¬ãã·ãããµã³ã¯1966幎12æ27æ¥çºè¡ã®
Findlayãã®ç±³åœç¹èš±ç¬¬3294725å·ã«èšèŒããã
é°ã€ãªã³ãšãã«ãžãšã³éåæ³ã§èª¿è£œãããã®ã§ã
ãããã®ç¹èš±ã¯éåæ³ã䜿çšããæåãããã³ãš
ãã«ãžãšã³äžã«åŸãããæ°Žé žåºæ«ç«¯ãããã¯ããª
ãªã«ã¬ãã·ãããµã³ãèšèŒããŠãããããïŒã€ã®
é°ã€ãªã³å®å®åæ°Žé žåºæ«ç«¯ãããã¯ããªãžãªã«ã¬
ãã·ãããµã³ã®èª¿è£œæ³ã¯1959幎ïŒæ23æ¥çºè¡ã®
Hydeãã®ç±³åœç¹èš±ç¬¬2891920å·ã«èšèŒãããŠã
ããæ°Žé žåºæ«ç«¯ãããã¯ããªãžãªã«ã¬ãã·ãããµ
ã³ã䜿çšæåããã³è£œæ³ã瀺ãããŠãããããã
ããã³ãã®ä»ã®æ¹æ³ã¯æ¥çå ¬ç¥ã§ãããæ¬çºæã§
çšããæ°Žé žåºæ«ç«¯ãããã¯ãžãªã«ã¬ãã·ãããµã³
ã¯é°ã€ãªã³å®å®åãããã®ã§ãããæ¬çºæã®ç®ç
ã«ãããŠããé°ã€ãªã³å®å®åããšã¯æ°Žé žåºæ«ç«¯ã
ããã¯ãžãªã«ã¬ãã·ãããµã³ããšãã«ãžãšã³äžã«
é°ã€ãªã³è¡šé¢æŽ»æ§å€ã§å®å®åãããŠããããšãæ
å³ããããã®ã·ãªã³ãŒã³ãšãã«ãžãšã³ã¯æ°Žäžæ²¹å
ãšãã«ãžãšã³ã®åœ¢ã§ãããããªãã¡ãããªãžãªã«
ã¬ãã·ãããµã³ã¯æ°Žã®é£ç¶çžäžã«ç²åã®åæ£çžãš
ããŠååšããã æå(B)ã¯ãžã¢ã«ãã«é«ãžã«ã«ããã·ã¬ãŒãã§ã
ãããžã¢ã«ãã«é«ãžã«ã«ããã·ã¬ãŒãã¯åžè²©ãã
ãŠããã奜ãŸãããžã¢ã«ãã«é«ãžã«ã«ããã·ã¬ãŒ
ãã«ã¯ãžããã«é«ãžã¢ã»ããŒãããžããã«é«ãžã©
ãŠã¬ãŒããããã³ãžãªã¯ãã«é«ãžã©ãŠã¬ãŒããã
ãããžãªã¯ãã«é«ãžã©ãŠã¬ãŒããæã奜ãŸããã
ãžã¢ã«ãã«é«ãžã«ã«ããã·ã¬ãŒãã¯ãã®ãŸãŸäœ¿çš
ããŠãããããããã¯ãšãã«ãžãšã³ã«ããããšã
ã§ãããé©åœãªãšãã«ãžãšã³ã¯ããžã¢ã«ãã«é«ãž
ã«ã«ããã·ã¬ãŒã50éééšãã¢ã«ãã«ããªãšãŒã
ã«ã¹ã«ãã³é žãããªãŠã 10éééšãçšããŠæ°Žã§ãš
ãã«ãžãšã³åããããšã«ãã€ãŠè£œé ãããã¢ã«ã
ã«ããªãšãŒãã«ã¹ã«ãã³é žãããªãŠã ã¯æ°Žäžæ²¹å
ãšãã«ãžãšã³ã®å ¬ç¥ã®è£œæ³ã«ããããšãã«ãžãšã³
åå€ã§ããã æå(C)ã¯ããšãã«ããªã¡ããã·ã·ã©ã³ã§ããã
ãšã©ã¹ãããŒã§ã¯ãªã也ç¥ããŠãããçæããæ¬
çºæã®çµæç©ã®ãŠããŒã¯ãªèœåã¯ããšãã«ããªã¡
ããã·ã·ã©ã³ã®äœ¿çšã«äŸåãããããšãã«ããªã¡
ããã·ã·ã©ã³ã®ä»£ãã«ã¡ãã«ããªã¡ããã·ã·ã©
ã³ãããã«ããªã¡ããã·ã·ã©ã³ããšãã«ããªã¡ã
ãã·ã·ã©ã³ãã¡ãã«ããªïŒãšãã«ã¡ãã«ã±ããã·
ã ïŒã·ã©ã³ãªã©ã®ä»ã®ã·ã©ã³ãçšãããšããšãã«
ãžãšã³ã也ç¥ãããšãšã©ã¹ãããŒçæç©ãçæã
ãã æå(D)ã¯äžæŽ»æ§éã±ã€çŽ 質å å¡«æïŒinertãnon
âsiliceous fillerïŒã§ãããïŒãã倧ããPHã®ãš
ãã«ãžãšã³ã§æå(A)ããã³(B)ãã±ã€çŽ 質å å¡«æãš
çµåãããšããšãã«ãžãšã³ãèåããã«ã€ããŠã
ãªããŒã次第ã«æ¶æ©ããåå¿ãèµ·ããŠããšãã«ãž
ãšã³ã®ä¹Ÿç¥ã«ããçãããšã©ã¹ãããŒã®åŒŸæ§ç
ïŒã¢ããŠã©ã¹ïŒã次第ã«å¢å€§ããã®ã§ãæ¬çºæã®
å å¡«æã¯éã±ã€çŽ 質ã§ãããé°ã€ãªã³æ§ã·ãªã³ãŒ
ã³ãšãã«ãžãšã³ã«çšããã®ã«é©ããäžæŽ»æ§å å¡«æ
ã¯å ¬ç¥ã§ãããå å¡«æã¯åŸ®ç²ç ããå¹³åç²åŸ
10ÎŒm以äžã奜ãŸããã¯2ÎŒm以äžã§ãããå å¡«æ
ãšããŠã¯çé žã«ã«ã·ãŠã ãçšãããçé žã«ã«ã·ãŠ
ã ã¯ãç¹ã«1ÎŒm以äžã®å¹³åç²åŸã«ç²ç ããå Žåã
æ¬çºæã®ã³ãŒãã³ã°æçšã®å å¡«æãšããŠå¥œãŸã
ãã æ¬çºæã®çµæç©ã«çšããæåã®éã¯ãããçš
床ãçµæç©ãããŒã¹ãæ§ç²åºŠã§ãããŸãæ°Žãé€å»
ãããšã125ã300ã®å¯å¡åºŠæ°ãæãããšããèŠä»¶
ã«ãã€ãŠåœ±é¿ãããã(A)ã®ãšãã«ãžãšã³ãäžéã®
50ééïŒ ã«è¿ãåºäœå«åãæããå ŽåãããŒã¹ã
æ§ç²åºŠãåŸãããã«å¿ èŠãªå å¡«æã®éã¯(A)ãšããŠ
ããã«é«ãåºäœå«åãçšããå Žåãã倧ãããªã
ã®ã§ããããããŒã¹ãæ§ç²æ§ãåŸãããã«å¿ èŠãª
å å¡«æã®éã¯éžãã å å¡«æã®çš®é¡ãšç²åŸã«ãäŸå
ããããããã®èæ ®ã¯åœæ¥è ã«ã¯ç¥ãããŠããã
ç°¡åãªå®éšã«ãã€ãŠå®¹æã«æ±ºå®ãããã æ¬çºæã®çµæç©ã¯(A)ã®ãšãã«ãžãšã³äžã®100é
ééšã®æ°Žé žåºæ«ç«¯ãããã¯ããªãžãªã«ã¬ãã·ãã
ãµã³ãåºæºã«ããŠããã0.05ã0.4éééšã®ãžã¢
ã«ãã«é«ãžã«ã«ããã·ã¬ãŒã(B)ã¯çµæç©ã®ç¡¬åã
觊åªããããã«çšãããããšãã«ããªã¡ããã·ã·
ã©ã³ã®éãããã®ç¯å²ã®äžéã«è¿ãå Žåã«ã¯(B)ã®
éã¯ããã®ç¯å²ã®äžéã«è¿ãéã§ããããããšã
ã«ããªã¡ããã·ã·ã©ã³ãããã®ç¯å²ã®äžéã«è¿ã
éã®å Žåã«ã¯(B)ã®éã¯ããããé«ãããšãå¿ èŠã§
ããã奜ãŸããéã¯0.1ã0.3éééšã§ããããžã¢
ã«ãã«é«ãžã«ã«ããã·ã¬ãŒãã¯ãšãã«ãžãšã³ã®åœ¢
ã§ããããšã奜ãŸããããšããã®ã¯ãã®å Žåã«ã¯
æ··åæã«ãã容æã«åäžã«åæ£ããããã§ããã
奜ãŸãããžã¢ã«ãã«é«ãžã«ã«ããã·ã¬ãŒãã¯ãžãª
ã¯ãã«é«ãžã©ãŠã¬ãŒãã§ããã ããšãã«ããªã¡ããã·ã·ã©ã³(C)ã¯ïŒã12éééš
ã®ç¯å²å ã§äœ¿çšããããšãã§ãã奜ãŸããç¯å²ã¯
ïŒãïŒéééšã§ãããïŒãïŒéééšã®ç¯å²å ã§ã
ããå°ãªãããšãã«ããªã¡ããã·ã·ã©ã³ãçšãã
ããšã«ãã€ãŠè»ãããããåŸãããã å å¡«æ(D)ã®éã¯50ã200éééšã®ç¯å²ã§å€åã
ãããšãã§ãããçšããéã¯éžæããå å¡«æã®æ§
質ã«ãã決決å®ãããå å¡«æã®å¥œãŸããéã¯æãŸ
ããããŒã¹ãæ§ç²åºŠãäžããéã§ãããå å¡«æã
ããå€ãæ·»å ãããšãšãã«ãžãšã³ã¯ããç²æ§ã«ãª
ããå å¡«æã®éãšããŠã奜ãŸããå å¡«æã§ããå¹³
åç²åŸ0.5ã1.0ÎŒmã®çé žã«ã«ã·ãŠã 120ã150éé
éšã¯å¥œãŸããã æ¬çºæã®ã·ãªã³ãŒã³çµæç©ãäœæããã«ã¯æå
ãåžžæ³ã«åŸã匷åã«æ··åããŠåäžãªææãåŸãã
(A)ã®ãšãã«ãžãšã³ããããµãŒã«å ¥ããæå(B)ïŒ(C)
ãæ·»å ããŠæ··åããããããå å¡«æ(D)ããã€ãã
æ·»å ããŠæ··åããåäžã«åæ£ããããæçµæ··åç©
ã¯ããŒã¹ãæ§ç²åºŠã§ãããè£ çœ®ã¯ãã®ç²åºŠã§æå
ãé©åœã«æ··åããã®ã«ååã«åŒ·åã§ãªããã°ãªã
ãªããå®éšå®€ã§ã¯ãã¹ãã³ã¬ã¹éŒè£œå®¹åšãšããã
ã©å空æ°å§é§ååŒãããµãŒãçšãããæ··ååŠçäž
ã«ç±ãèç©ããããšã¯æãŸãããªããå¿ èŠã§ãã
ã°ãå å¡«æãæ··å ¥ããåã«ãšãã«ãžãšã³ãå·åŽã
ãŠããããåäžãªããŒã¹ããåŸãããåŸãæ··åç©
ãç空äžã«çœ®ããé å¿åŠçããŠæ··ååŠçäžã«é£è¡
ããã空æ°ãé€å»ããã次ã«è±æ°ããæ··åç©ãå¯
éä¿å容åšã«å ¥ããã çµæç©ã«æ·»å ãåŸãä»å çãªæåã«ã¯ãæ··ååŠ
çãå©ããçºæ³¡é²æ¢å€ãçµæç©ãä¿åäžã«å¶ç¶å
çµãããããªå Žåã«çµæç©ãä¿è·ããããã®ã°ãª
ã³ãŒã«ã®ãããªåçµè解å®å®å€ãææ©ã¢ãã³ã奜
ãŸããã¯ïŒâã¢ããâïŒâã¡ãã«âïŒâãããã
ãŒã«ã®ãããªå®å®å€ããããŠé°ã€ãªã³å®å®æ§ã§ç¡¬
åããã³ãŒãã³ã°æã«äžéææ§ãããã¯çè²ãäž
ããäºé žåãã¿ã³ãã«ãŒãã³ãã©ãã¯ãææ©é¡æ
ã®ãããªé¡æããªã©ãããã æ¬çºæã®ã·ãªã³ãŒã³çµæç©ã¯ã³ãŒãã³ã°æãšã
ãŠç¹ã«æçšã§ãããããã¯ä¿åãææã®å Žæã§å®¹
æã«æŒåºãããšãå¯èœã§ãããããã¯æ°Žæ§ãšãã«
ãžãšã³ãªã®ã§å¿ èŠã§ããã°å®¹æã«å å·¥ã§ãããå·¥
å ·ã¯æ°Žã§æŽæµãåŸãããšãã«ãžãšã³ã®ç¡¬åã®éäž»
ãšããŠæ°Žãé€å»ãããã®ã§æªèã®åé¡ã¯ãªãã硬
åããææã¯èåããŠããã®è»ãããããç¶ã®ã³
ã³ã·ã¹ãã³ã·ãŒã倱ãªããªãã ãå®æœäŸã 以äžã®äŸã¯èª¬æãç®çãšããŠæ¬çºæããããã«
éå®ãããã®ã§ã¯ãªãã ãã¹ãŠã®éšã¯ééåºæºã§ããã å®æœäŸ ïŒ ãšãã«ãžãšã³äžã®æ°Žãé€å»ããååŸã®äž¡æ¹ã«ã
ããŠããŒã¹ãæ§ãããã¯ããæ§ã®ç²åºŠãæããïŒ
é£ã®ãšãã«ãžãšã³ã調補ããã ãšãã«ãžãšã³éåããŠééå¹³åçŽ325000ã®æ°Žé ž
åºæ«ç«¯ãããã¯ããªãžã¡ãã«ã·ãããµã³ãå ãäœ
æãããæ°Ž54éšãäœååéç·ç¶æ°Žé žåºæ«ç«¯ããã
ã¯ããªãžã¡ãã«ã·ãããµã³æµäœ100éšãããã³30
ïŒ ã©ãŠãªã«ç¡«é žãããªãŠã ãããªãè¡šé¢æŽ»æ§å€ïŒ
éšã®æ··åç©ããã¢ãžãã€ãºãã次ãã§ããã·ã«ã
ã³ãŒã³ã¹ã«ãã³é žïŒéšãæ··åããéåããããé
ååŸã50ïŒ ãžãšãã«ã¢ãã³æ°Žæº¶æ¶²ãå ããŠãšãã«
ãžãšã³ãå¡©åºæ§ã«ããããšãã«ãžãšã³ã¯PHãçŽ10
ã§ãããåºåœ¢åã¯çŽ60ééïŒ ã§ãã€ãã äžèšãšãã«ãžãšã³300ïœïŒããªãžã¡ãã«ã·ãã
ãµã³ããªããŒ180ïœïŒãçºæ³¡é²æ¢å€0.52ïœããžãª
ã¯ãã«é«ã©ãŠã¬ãŒã觊åªã®50ïŒ æ°Žæ§ãšãã«ãžãšã³
ã®è¡šïŒã«æ²èŒããéãããã³ããšãã«ããªã¡ãã
ã·ã·ã©ã³ã®è¡šïŒã«æ²èŒããéãæ··åããŠäžé£ã®ã
ãŒã¹ããäœæãããïŒåéæ¹æåŸãè¡šïŒã«ç€ºãã
éã®çé žã«ã«ã·ãŠã 埮ç²ïŒå¹³åç²åŸçŽ0.7ÎŒmïŒã
æ··å ¥ããŠæŒãããŸã§æ··åããããããçŽïŒãïŒå
éæ··åãç¶ããŠããŒã¹ãã®åäžæ§ã確å®ã«ããã
åæ··åç©ã¯ããŒã¹ãç¶ç²æ§ã§ãã³ãŒãã³ã°æçšã«
çšããããŠããæ®éã®ããŠãŒãããæŒåºãåŸãã
ã®ã§ãã€ã åããŒã¹ãè©Šæãè¡šé¢äžã«æŒåºããŠçŽ1/16ã1/
ïŒã€ã³ãåã®è©Šæã圢æãæ°Žãèžçºãããã23âã
50ïŒ RHã§ïŒæ¥åŸã®ä¹Ÿç¥ã硬åããè©Šæã®å€èŠ³ã
è¡šïŒã«ç€ºããåè©Šæã¯ASTM D926ã«åŸã€ãŠå¯
å¡åºŠã枬å®ããŠãã®å€åœ¢å¯èœæ§ãè¡šãããã硬å
ææã®ïŒïœã®è©ŠæãããŒã«ã®åœ¢ã«æ圢ããå¯å¡åºŠ
èšã«å ¥ããŠè©Šæã«è·éãïŒåéé©çšãããïŒåã®
æéã®çµäºæã®è©Šæã®ããªã¡ãŒãã«åã®100åã
å¯å¡åºŠæ°ã§ãããããã¯è»ãããããããæŒãä»
ããè¡šé¢ã«ä»çããèªéã§ã¯æµããããããŠçŽ°ç
ããã€ãããšåŒãã¡ãããšå ãã«é³ãããŠãŠçž®ã¿
ãèŠããããè©Šæã¯æ°Žã«æµžæŒ¬ããŠã溶解ããªãã€
ããããããäŸïŒã¯äŸå€ã§æ°Žã«æº¶è§£ãããããã
ã¯è§Šåªãšæ¶æ©å€ã®äž¡æ¹ãå°éå«ãã§ããã ããã«30æ¥éèåããåŸãåã³å¯å¡åºŠã枬å®ã
ãããã®çµæãè¡šïŒã«ç€ºãã æ¯èŒäŸ ïŒ æ¶æ©å€ãšããŠã®ããšãã«ããªã¡ããã·ã·ã©ã³ã®
ç¹ææ§ã瀺ãããã«äžé£ã®æ¯èŒäŸãäœæããã äŸïŒã®æ°Žé žåºæ«ç«¯ãããã¯ããªãžã¡ãã«ã·ãã
ãµã³ãšãã«ãžãšã³300ïœãçºæ³¡é²æ¢å€0.52ïœãäŸ
ïŒã®ãžãªã¯ãã«é«ãžã©ãŠã¬ãŒããšãã«ãžãšã³0.88
ïœãããã³è¡šïŒã«ç€ºããçš®æ°ãšéã®æ¶æ©å€ãæ··å
ããŠäžé£ã®ããŒã¹ããäœæãããçŽïŒåéæ¹æã
ãåŸãäŸïŒã®çé žã«ã«ã·ãŠã 282ïœãå ããŠåäž
ã«ãªããŸã§æ··åãããåè©Šæã¯ããŒã¹ãç¶ç²åºŠã®
ãã®ã§ãã€ãã åããŒã¹ãè©ŠæãäŸïŒã®ããã«æŒåºãã也ç¥
ããè©ŠéšããŠè¡šïŒã«ç€ºãçµæãåŸãããããã®è©Š
æã®å€«ã ã¯ä¹Ÿç¥ãããšè¡šã«ç€ºãããç¹æ§ãæãã
ãšã©ã¹ãããŒçæç©ãšãªããäŸïŒã®çµæç©ã®ãã
ã«è»è³ªããã«ã¯ãªããªãã€ãã
æç©ã¯ããŒã¹ãç¶ç²åºŠãæããã€å®€æž©ã§æ°Žãé€å»
ãããšãããšãªãããã®ããã¯èåããŠã硬åã
ããäžæ°Žæº¶æ§ã§ãããæ®ãã©ã®è¡šé¢ã«æ¥çããã ãåŸæ¥ã®æè¡ããã³çºæã解決ããããšããåé¡
ç¹ã æ°Žãé€å»ãããšç¡¬åããæ°Žæ§ãšãã«ãžãšã³ãã
ãªãå€ãã®çµæç©ãé瀺ãããŠãããEliasãã
ã³Freibergã«1984幎ïŒæ24æ¥ä»äžãããç±³åœç¹èš±
第4427811å·ã«ã³ãŒãã³ã°æãšããŠæçšãªçµæã§
ä¿å寿åœãæ¹è¯ããããšãã«ãžãšã³ãé瀺ãããŠ
ããã圢æãããã³ãŒãã³ã°æã¯é¡èãªåŒåŒµåŒ·åºŠ
ãšäŒžã³ãæãã匟æ§è£œåã§ããã Cekadaã¯1967幎11æ28æ¥çºè¡ã®ç±³åœç¹èš±ç¬¬
3355406å·ã«ãããŠã·ãªã³ãŒã³ãŽã ãŸãã¯ãã©ã¹
ããã¯ã®ãã€ã«ã ã圢æããã©ããã¯ã¹ãé瀺ã
ãã圌ã¯ãäŸãã°ããã®äŸïŒã«ãããŠãç·ç¶æ°Žé ž
åºæ«ç«¯ãããã¯ããªãžã¡ãã«ã·ãããµã³ã圌ã®ã
ãšãã«ã·ã«ã»ã¹ããªããµã³å å¡«æãããšãã«ããª
ã¡ããã·ã·ã©ã³ãããã³ãžããã«é«ãžã©ãŠã¬ãŒã
ãæ··åããŠãšãã«ãžãšã³ãåŸãããã®ãšãã«ãžãš
ã³ã¯ãæ°Žãé€å»ãããšãå®è³ªçãªç¡¬åºŠãšåŒåŒµåŒ·åºŠ
ãšäŒžã³ãæãããŽã ãã€ã«ã ãæäŸãããããšã
ã«ããªã¡ããã·ã·ã©ã³ãæ¶æ©å€ãšããŠçšããåŸã
ããçæç©ã¯ãšã©ã¹ãããŒã§ããããã€ãã®å¥ã®
äŸã瀺ãããŠããã圌ã®æ瀺ã«ãããšäžè¬åŒ
AmSiïŒORïŒ4-nãäžå®èœã·ã©ã³ã奜ãŸãããã
æããæ¶æ©å€ãé©åœã§ããã圌ã¯åŸããããŽã ã«
察ããå¹æã«é¢ããŠåçš®ã·ã©ã³ãåºå¥ããŠããª
ãã ãããã®æç®ã¯æ°Žãé€å»ãããšãšã©ã¹ãããŒã
æäŸããçµæç©ãé瀺ããŠãããããã¯æ°Žãé€å»
ãããšããããªããšãã«ãžãšã³ã補é ããæ¹æ³ã¯
é瀺ããŠããªãã ããŒã¹ãæ§ç²åºŠãæããŠããã®ã§ã³ãŒãã³ã°æ
ãšããŠé©ããŠããæ°Žæ§ãšãã«ãžãšã³ãéçºãããŠ
ãããããã¯æ°Žãé€å»ãããšã125ã300ã®å¯å¡åºŠ
æ°ãæããããæ§ææã§ãããæ®ãã©ã®åºæã«ä»
çããæ°Žäžæº¶æ§ã§ããããããŠèåããŠãèªãã
ãçšåºŠã«ç¡¬åããªããçæç©ãäžããããã®ã·ãª
ã³ãŒã³ããã¯æ°Žé žåºæ«ç«¯ãããã¯ããªãžãªã«ã¬ã
ã·ãããµã³ãšãã«ãžãšã³ããžã¢ã«ãã«é«ãžã«ã«ã
ãã·ã¬ãŒããããšãã«ããªã¡ããã·ã·ã©ã³ããã
ã³äžæŽ»æ§éã±ã€çŽ 質å å¡«æãé©åœãªæ¯çã§æ··åã
ãŠåŸãããçæç©ããæ¬è³ªçã«ãªãã æ¬çºæã®ç®çã¯ãããŒã¹ãæ§ç²åºŠãæããã®ã§
ã³ãŒãã³ã°æãšããŠé©åœã§ããããŸãæ¥çæ§ãæ°Ž
äžæº¶æ§ã§ãããã€èåããŠãèªãããçšåºŠã«ç¡¬å
ããªãããæ§çæç©ãäžãããæ°Žæ§ãšãã«ãžãšã³
ã補é ããããšã«ããã ãåé¡ç¹ã解決ããããã®æ段ããã³äœçšå¹æã æ¬çºæã¯ã(A)50000以äžã®ééå¹³åååéãæ
ããé°ã€ãªã³ã§å®å®åããæ°Žé žåºæ«ç«¯ãããã¯ã
ãªãžãªã«ã¬ãã·ãããµã³ïŒããã«ãªã«ã¬ãåºã¯åº
åœãïŒåããå°ãªãççŽ ååãå«ãäžäŸ¡ã®çåæ°Ž
çŽ åºãŸãã¯åºåœãïŒåããå°ãªãççŽ ååãå«ã
ïŒâïŒãã«ãã«ãªãã¢ã«ãã«ïŒãšãã«åºã§ããïŒ
100éééšããã®ããªãªã«ã¬ãã·ãããµã³ã¯æ°Žäž
ã«åæ£ããç²åãšããŠååšãããšãã«ãžãšã³ã¯ïŒ
ãã倧ããPHãš50ééïŒ ãã倧ããåºåœ¢åãæ
ãã(B)ãžã¢ã«ãã«é«ãžã«ã«ããã·ã¬ãŒã0.05ã
0.4éééšã(C)ããšãã«ããªã¡ããã·ã·ã©ã³ïŒã
12éééšãããã³(D)2ÎŒïœããå°ããå¹³åç²åŸã
æããäžæŽ»æ§éã±ã€çŽ 質å å¡«æ50ã200éééšã
æ··åããŠçæãããããŒã¹ãç¶ç²æ§ãæããææ
ã§ãã€ãŠãæ°Žãé€å»ãããšã125ã300ã®å¯å¡åºŠæ°
ïŒplasticity numberïŒãæããæ°Žã«äžæº¶æ§ã§ã
ãããããŠèåããŠãèªãããçšåºŠã«ç¡¬åããªã
çæç©ããæ¬è³ªçã«æãã·ãªã³ãŒã³ããã«åãã
ããŠããã æ¬çºæã®ã·ãªã³ãŒã³çµæç©ã¯ããŒã¹ãæ§ææã®
ãããªç²åºŠãæããæ°Žæ§ãšãã«ãžãšã³ã§ãããã·
ãªã³ãŒã³çµæç©ããã®ãããªç²åºŠéå®ãæããç
ç±ã¯ããããåçŽãé äžããããã¯æ°Žå¹³ãªè¡šé¢ã®
äºè£ãééãå å¡«ããããã«æçšãªã³ãŒãã³ã°æ
ãšããŠçšããããšãæå³ããŠããããã§ãããçµ
æç©ã¯ä¿å容åšããåãåºããšæ°ŽãèžçºããŠä¹Ÿç¥
ããã也ç¥ããææã¯è»ããããŠå€åœ¢å¯èœãªææ
ã§ããã也ç¥ãããšãåºæã«ä»çãããå¯å¡åºŠèš
ã®ãããªå å§äžã«çœ®ããšãäžèšä¹Ÿç¥ææã¯ãã€ã
ãæµããŠASTM D926ã«åŸã€ãŠæž¬å®ããŠ125ã
300ã®å¯å¡åºŠæ°ã瀺ãããã®å¯å¡åºŠã®ç¯å²ã¯ãçµ
æç©ããæ°Žãé€ããåŸçãæéå ãäŸãã°ãïŒæ¥
以å ã«æž¬å®ããå Žåã«åŸããããããããé·ãã
äŸãã°ã30æ¥ã®æéèåããããšãå¯å¡åºŠã¯å ã
ã«ãäŸãã°20ïŒ ãŸã§äžæãããããã«é·ããäŸã
ã°ïŒãæèåããããšãå¯å¡åºŠã¯äŸãã°35ïŒ ãŸã§
äžæãããåŒãå¥ããæçã®è¡šé¢ãæ¥è§ŠããŠçœ®ã
ãšçžäºã«æ¥çãããäžèšä¹Ÿç¥ææã¯æ°Žäžã«çœ®ããŠ
ã溶解ããªãã也ç¥ææã¯èåããŠãèªãããçš
床ã«ç¡¬åãããéåžžã«è»ãããšã©ã¹ãããŒãç¶æ
ããã æ¬çºæã®ç®çããã¯ãããŒã¹ãæ§ææã¯ã
ASTM D2202ã«åŸã€ãŠæž¬å®ããŠïŒã2.54cmã®ã
ããŒãäžããã®ã«ååã«ç¡¬è³ªã§ããããã€ç±³åœè»
ä»æ§MILââ88020ã«åŸã€ãŠæž¬å®ãã3.18mmã®
ãªãªãã€ã¹ãçšã0.62MPaã®å§åã§æŒåºé床ã50
ïœïŒåãã倧ããã®ã«ååã«è»è³ªã§ããææãšã
ãŠå®çŸ©ããããïŒã0.8cmã®ãããŒãæããææ
ã奜ãŸãããã·ãªã³ãŒã³çµæç©ãåçŽãããã¯é
äžã®éšäœã«çšããããšãæå³ããå Žåã«ã¯ãçµæ
ç©ãæŒåºããå å·¥ãããšãçµæç©ããã®å Žæã«æ®
ãããã«ãããŒãäžèšç¯å²å ã§ããããšã奜ãŸã
ããçµæç©ãäŸãã°ãã€ãŠãšãŒæ¥åéšã®ãããªæ°Ž
å¹³ã®éšäœã«ã ã䜿çšããããšãæå³ããå Žåã«
ã¯ãããããã®ãããŒãäŸãã°ïŒmmãïŒcmã®ãã
ãŒããã€ãŠçµæç©ãå°æ¢ãã¹ãéå£éšã®åŽé¢ãæµ
ããŠãããæŒãããè¯å¥œãªæ¥çãéæãããããš
ã奜ãŸããã ã³ãŒãã³ã°æã¯æ®éããŠãŒãã«ä¿åãã䜿çšã
ããšãã«ããºã«ããæŒåºãã®ã§ãã·ãªã³ãŒã³çµæ
ç©ã¯50ïœïŒå以äžã®æŒåºé床ãæãããæ¬çºæã®
çµæç©ã®æŒåºé床ã¯äžèšè©Šéšæ¡ä»¶äžã§500ïœïŒå
ãã倧ããããšã奜ãŸãããæ¬çºæã®æ æ§ã§ã¯äœ
ããããŒãšé«ãæŒåºé床ã®äž¡æ¹ãæãããã®ã容
æã«äœæå¯èœã§ããããã¯ãšãã«ãžãšã³ç¶ã§ã¯ãª
ãã·ãªã³ãŒã³ãšã©ã¹ãããŒã«åºã¥ãã³ãŒãã³ã°æ
ãšé¡èã«ç°ãªãç¹ã§ããã æ¬çºæã§çšããé°ã€ãªã³å®å®åããæ°Žé žåºæ«ç«¯
ãããã¯ããªãžãªã«ã¬ãã·ãããµã³ã¯ä»æ¥æ¥çã§
è¯ãç¥ãããŠãããæ°Žé žåºæ«ç«¯ããªãžãªã«ã¬ãã·
ãããµã³(A)ã¯ããšãã«ãžãšã³åããããšãå¯èœã§
ããããšãã«ãžãšã³ããæ°Žãé€å»ããåŸã«ãåŸã
ããçæç©ã«ãšã©ã¹ãããŒã®æ§è³ªãä»äžãããã
ãŠé°ã€ãªã³ã§å®å®åããããã®ã§ãããåŒåŒµåŒ·åºŠ
ããã³ç Žææ䌞ã³ã¯ééå¹³åååéïŒMwïŒãå¢
å ããããšã«ãã€ãŠæ¹è¯ããã50000Mw以äžã§
é©åœãªåŒåŒµåŒ·åºŠãšäŒžã³ãåŸããããééå¹³ååå
éã®äžéã¯ããšãã«ãžãšã³åãå¯èœã§ããã€ãšã
ã«ãžãšã³ããæ°Žãé€å»ãããšãçæç©ã«ãšã©ã¹ã
ããŒã®æ§è³ªãäžããããšãå¯èœãªäžéã«ãã€ãŠèŠ
å®ããããæ°Žé žåºæ«ç«¯ãããã¯ããªãžãªã«ã¬ãã·
ãããµã³ã§ã¯çŽ1000000ãŸã§ã®ééå¹³åååéã¯
æ¬çºæã«ãšã€ãŠå®éçã§ãããšèãããããæ°Žé ž
åºæ«ç«¯ãããã¯ããªãžãªã«ã¬ãã·ãããµã³ã®å¥œãŸ
ããMwã¯200000ã700000ã®ç¯å²å ã§ããã æ°Žé žåºæ«ç«¯ãããã¯ããªãžãªã«ã¬ãã·ãããµã³
ã®ãªã«ã¬ãåºã¯åºåœãïŒããå°ãªãççŽ ååãå«
ãäžäŸ¡ã®çåæ°ŽçŽ åºããã³ïŒïŒïŒïŒïŒâããªãã«
ãªããããã«åºãïŒâïŒãã«ãããªãããã«ïŒãš
ãã«åºãå«ãïŒâïŒãã«ãããªãã¢ã«ãã«ïŒãšã
ã«åºã§ããããšãå¯èœã§ãããæ°Žé žåºæ«ç«¯ããã
ã¯ããªãžãªã«ã¬ãã·ãããµã³ã¯å°ãªããšã50ããŒ
ã»ã³ããã¡ãã«åºã§ãããªã«ã¬ãåºãå«ãããšã
奜ãŸãããæ°Žé žåºæ«ç«¯ãããã¯ããªãžãªã«ã¬ãã·
ãããµã³ã¯ã±ã€çŽ åååœãïŒåã®ãªã«ã¬ãåºãå«
ãç·ç¶ããªããŒããæ¬è³ªçã«æããã補é å·¥çšã®
äžçŽç©ãšããŠååšããçè·¡éã®ã¢ããªã«ã¬ãã·ã
ããµã³ãŸãã¯ããªãªã«ã¬ãã·ãããµã³åäœãå«ã
ã§ãããã奜ãŸããæ°Žé žåºæ«ç«¯ãããã¯ããªãžãª
ã«ã¬ãã·ãããµã³ã¯æ°Žé žåºæ«ç«¯ãããã¯ããªãžã¡
ãã«ã·ãããµã³ã§ããã 奜ãŸããé°ã€ãªã³å®å®åæ°Žé žåºæ«ç«¯ãããã¯ã
ãªãžãªã«ã¬ãã·ãããµã³ã¯1966幎12æ27æ¥çºè¡ã®
Findlayãã®ç±³åœç¹èš±ç¬¬3294725å·ã«èšèŒããã
é°ã€ãªã³ãšãã«ãžãšã³éåæ³ã§èª¿è£œãããã®ã§ã
ãããã®ç¹èš±ã¯éåæ³ã䜿çšããæåãããã³ãš
ãã«ãžãšã³äžã«åŸãããæ°Žé žåºæ«ç«¯ãããã¯ããª
ãªã«ã¬ãã·ãããµã³ãèšèŒããŠãããããïŒã€ã®
é°ã€ãªã³å®å®åæ°Žé žåºæ«ç«¯ãããã¯ããªãžãªã«ã¬
ãã·ãããµã³ã®èª¿è£œæ³ã¯1959幎ïŒæ23æ¥çºè¡ã®
Hydeãã®ç±³åœç¹èš±ç¬¬2891920å·ã«èšèŒãããŠã
ããæ°Žé žåºæ«ç«¯ãããã¯ããªãžãªã«ã¬ãã·ãããµ
ã³ã䜿çšæåããã³è£œæ³ã瀺ãããŠãããããã
ããã³ãã®ä»ã®æ¹æ³ã¯æ¥çå ¬ç¥ã§ãããæ¬çºæã§
çšããæ°Žé žåºæ«ç«¯ãããã¯ãžãªã«ã¬ãã·ãããµã³
ã¯é°ã€ãªã³å®å®åãããã®ã§ãããæ¬çºæã®ç®ç
ã«ãããŠããé°ã€ãªã³å®å®åããšã¯æ°Žé žåºæ«ç«¯ã
ããã¯ãžãªã«ã¬ãã·ãããµã³ããšãã«ãžãšã³äžã«
é°ã€ãªã³è¡šé¢æŽ»æ§å€ã§å®å®åãããŠããããšãæ
å³ããããã®ã·ãªã³ãŒã³ãšãã«ãžãšã³ã¯æ°Žäžæ²¹å
ãšãã«ãžãšã³ã®åœ¢ã§ãããããªãã¡ãããªãžãªã«
ã¬ãã·ãããµã³ã¯æ°Žã®é£ç¶çžäžã«ç²åã®åæ£çžãš
ããŠååšããã æå(B)ã¯ãžã¢ã«ãã«é«ãžã«ã«ããã·ã¬ãŒãã§ã
ãããžã¢ã«ãã«é«ãžã«ã«ããã·ã¬ãŒãã¯åžè²©ãã
ãŠããã奜ãŸãããžã¢ã«ãã«é«ãžã«ã«ããã·ã¬ãŒ
ãã«ã¯ãžããã«é«ãžã¢ã»ããŒãããžããã«é«ãžã©
ãŠã¬ãŒããããã³ãžãªã¯ãã«é«ãžã©ãŠã¬ãŒããã
ãããžãªã¯ãã«é«ãžã©ãŠã¬ãŒããæã奜ãŸããã
ãžã¢ã«ãã«é«ãžã«ã«ããã·ã¬ãŒãã¯ãã®ãŸãŸäœ¿çš
ããŠãããããããã¯ãšãã«ãžãšã³ã«ããããšã
ã§ãããé©åœãªãšãã«ãžãšã³ã¯ããžã¢ã«ãã«é«ãž
ã«ã«ããã·ã¬ãŒã50éééšãã¢ã«ãã«ããªãšãŒã
ã«ã¹ã«ãã³é žãããªãŠã 10éééšãçšããŠæ°Žã§ãš
ãã«ãžãšã³åããããšã«ãã€ãŠè£œé ãããã¢ã«ã
ã«ããªãšãŒãã«ã¹ã«ãã³é žãããªãŠã ã¯æ°Žäžæ²¹å
ãšãã«ãžãšã³ã®å ¬ç¥ã®è£œæ³ã«ããããšãã«ãžãšã³
åå€ã§ããã æå(C)ã¯ããšãã«ããªã¡ããã·ã·ã©ã³ã§ããã
ãšã©ã¹ãããŒã§ã¯ãªã也ç¥ããŠãããçæããæ¬
çºæã®çµæç©ã®ãŠããŒã¯ãªèœåã¯ããšãã«ããªã¡
ããã·ã·ã©ã³ã®äœ¿çšã«äŸåãããããšãã«ããªã¡
ããã·ã·ã©ã³ã®ä»£ãã«ã¡ãã«ããªã¡ããã·ã·ã©
ã³ãããã«ããªã¡ããã·ã·ã©ã³ããšãã«ããªã¡ã
ãã·ã·ã©ã³ãã¡ãã«ããªïŒãšãã«ã¡ãã«ã±ããã·
ã ïŒã·ã©ã³ãªã©ã®ä»ã®ã·ã©ã³ãçšãããšããšãã«
ãžãšã³ã也ç¥ãããšãšã©ã¹ãããŒçæç©ãçæã
ãã æå(D)ã¯äžæŽ»æ§éã±ã€çŽ 質å å¡«æïŒinertãnon
âsiliceous fillerïŒã§ãããïŒãã倧ããPHã®ãš
ãã«ãžãšã³ã§æå(A)ããã³(B)ãã±ã€çŽ 質å å¡«æãš
çµåãããšããšãã«ãžãšã³ãèåããã«ã€ããŠã
ãªããŒã次第ã«æ¶æ©ããåå¿ãèµ·ããŠããšãã«ãž
ãšã³ã®ä¹Ÿç¥ã«ããçãããšã©ã¹ãããŒã®åŒŸæ§ç
ïŒã¢ããŠã©ã¹ïŒã次第ã«å¢å€§ããã®ã§ãæ¬çºæã®
å å¡«æã¯éã±ã€çŽ 質ã§ãããé°ã€ãªã³æ§ã·ãªã³ãŒ
ã³ãšãã«ãžãšã³ã«çšããã®ã«é©ããäžæŽ»æ§å å¡«æ
ã¯å ¬ç¥ã§ãããå å¡«æã¯åŸ®ç²ç ããå¹³åç²åŸ
10ÎŒm以äžã奜ãŸããã¯2ÎŒm以äžã§ãããå å¡«æ
ãšããŠã¯çé žã«ã«ã·ãŠã ãçšãããçé žã«ã«ã·ãŠ
ã ã¯ãç¹ã«1ÎŒm以äžã®å¹³åç²åŸã«ç²ç ããå Žåã
æ¬çºæã®ã³ãŒãã³ã°æçšã®å å¡«æãšããŠå¥œãŸã
ãã æ¬çºæã®çµæç©ã«çšããæåã®éã¯ãããçš
床ãçµæç©ãããŒã¹ãæ§ç²åºŠã§ãããŸãæ°Žãé€å»
ãããšã125ã300ã®å¯å¡åºŠæ°ãæãããšããèŠä»¶
ã«ãã€ãŠåœ±é¿ãããã(A)ã®ãšãã«ãžãšã³ãäžéã®
50ééïŒ ã«è¿ãåºäœå«åãæããå ŽåãããŒã¹ã
æ§ç²åºŠãåŸãããã«å¿ èŠãªå å¡«æã®éã¯(A)ãšããŠ
ããã«é«ãåºäœå«åãçšããå Žåãã倧ãããªã
ã®ã§ããããããŒã¹ãæ§ç²æ§ãåŸãããã«å¿ èŠãª
å å¡«æã®éã¯éžãã å å¡«æã®çš®é¡ãšç²åŸã«ãäŸå
ããããããã®èæ ®ã¯åœæ¥è ã«ã¯ç¥ãããŠããã
ç°¡åãªå®éšã«ãã€ãŠå®¹æã«æ±ºå®ãããã æ¬çºæã®çµæç©ã¯(A)ã®ãšãã«ãžãšã³äžã®100é
ééšã®æ°Žé žåºæ«ç«¯ãããã¯ããªãžãªã«ã¬ãã·ãã
ãµã³ãåºæºã«ããŠããã0.05ã0.4éééšã®ãžã¢
ã«ãã«é«ãžã«ã«ããã·ã¬ãŒã(B)ã¯çµæç©ã®ç¡¬åã
觊åªããããã«çšãããããšãã«ããªã¡ããã·ã·
ã©ã³ã®éãããã®ç¯å²ã®äžéã«è¿ãå Žåã«ã¯(B)ã®
éã¯ããã®ç¯å²ã®äžéã«è¿ãéã§ããããããšã
ã«ããªã¡ããã·ã·ã©ã³ãããã®ç¯å²ã®äžéã«è¿ã
éã®å Žåã«ã¯(B)ã®éã¯ããããé«ãããšãå¿ èŠã§
ããã奜ãŸããéã¯0.1ã0.3éééšã§ããããžã¢
ã«ãã«é«ãžã«ã«ããã·ã¬ãŒãã¯ãšãã«ãžãšã³ã®åœ¢
ã§ããããšã奜ãŸããããšããã®ã¯ãã®å Žåã«ã¯
æ··åæã«ãã容æã«åäžã«åæ£ããããã§ããã
奜ãŸãããžã¢ã«ãã«é«ãžã«ã«ããã·ã¬ãŒãã¯ãžãª
ã¯ãã«é«ãžã©ãŠã¬ãŒãã§ããã ããšãã«ããªã¡ããã·ã·ã©ã³(C)ã¯ïŒã12éééš
ã®ç¯å²å ã§äœ¿çšããããšãã§ãã奜ãŸããç¯å²ã¯
ïŒãïŒéééšã§ãããïŒãïŒéééšã®ç¯å²å ã§ã
ããå°ãªãããšãã«ããªã¡ããã·ã·ã©ã³ãçšãã
ããšã«ãã€ãŠè»ãããããåŸãããã å å¡«æ(D)ã®éã¯50ã200éééšã®ç¯å²ã§å€åã
ãããšãã§ãããçšããéã¯éžæããå å¡«æã®æ§
質ã«ãã決決å®ãããå å¡«æã®å¥œãŸããéã¯æãŸ
ããããŒã¹ãæ§ç²åºŠãäžããéã§ãããå å¡«æã
ããå€ãæ·»å ãããšãšãã«ãžãšã³ã¯ããç²æ§ã«ãª
ããå å¡«æã®éãšããŠã奜ãŸããå å¡«æã§ããå¹³
åç²åŸ0.5ã1.0ÎŒmã®çé žã«ã«ã·ãŠã 120ã150éé
éšã¯å¥œãŸããã æ¬çºæã®ã·ãªã³ãŒã³çµæç©ãäœæããã«ã¯æå
ãåžžæ³ã«åŸã匷åã«æ··åããŠåäžãªææãåŸãã
(A)ã®ãšãã«ãžãšã³ããããµãŒã«å ¥ããæå(B)ïŒ(C)
ãæ·»å ããŠæ··åããããããå å¡«æ(D)ããã€ãã
æ·»å ããŠæ··åããåäžã«åæ£ããããæçµæ··åç©
ã¯ããŒã¹ãæ§ç²åºŠã§ãããè£ çœ®ã¯ãã®ç²åºŠã§æå
ãé©åœã«æ··åããã®ã«ååã«åŒ·åã§ãªããã°ãªã
ãªããå®éšå®€ã§ã¯ãã¹ãã³ã¬ã¹éŒè£œå®¹åšãšããã
ã©å空æ°å§é§ååŒãããµãŒãçšãããæ··ååŠçäž
ã«ç±ãèç©ããããšã¯æãŸãããªããå¿ èŠã§ãã
ã°ãå å¡«æãæ··å ¥ããåã«ãšãã«ãžãšã³ãå·åŽã
ãŠããããåäžãªããŒã¹ããåŸãããåŸãæ··åç©
ãç空äžã«çœ®ããé å¿åŠçããŠæ··ååŠçäžã«é£è¡
ããã空æ°ãé€å»ããã次ã«è±æ°ããæ··åç©ãå¯
éä¿å容åšã«å ¥ããã çµæç©ã«æ·»å ãåŸãä»å çãªæåã«ã¯ãæ··ååŠ
çãå©ããçºæ³¡é²æ¢å€ãçµæç©ãä¿åäžã«å¶ç¶å
çµãããããªå Žåã«çµæç©ãä¿è·ããããã®ã°ãª
ã³ãŒã«ã®ãããªåçµè解å®å®å€ãææ©ã¢ãã³ã奜
ãŸããã¯ïŒâã¢ããâïŒâã¡ãã«âïŒâãããã
ãŒã«ã®ãããªå®å®å€ããããŠé°ã€ãªã³å®å®æ§ã§ç¡¬
åããã³ãŒãã³ã°æã«äžéææ§ãããã¯çè²ãäž
ããäºé žåãã¿ã³ãã«ãŒãã³ãã©ãã¯ãææ©é¡æ
ã®ãããªé¡æããªã©ãããã æ¬çºæã®ã·ãªã³ãŒã³çµæç©ã¯ã³ãŒãã³ã°æãšã
ãŠç¹ã«æçšã§ãããããã¯ä¿åãææã®å Žæã§å®¹
æã«æŒåºãããšãå¯èœã§ãããããã¯æ°Žæ§ãšãã«
ãžãšã³ãªã®ã§å¿ èŠã§ããã°å®¹æã«å å·¥ã§ãããå·¥
å ·ã¯æ°Žã§æŽæµãåŸãããšãã«ãžãšã³ã®ç¡¬åã®éäž»
ãšããŠæ°Žãé€å»ãããã®ã§æªèã®åé¡ã¯ãªãã硬
åããææã¯èåããŠããã®è»ãããããç¶ã®ã³
ã³ã·ã¹ãã³ã·ãŒã倱ãªããªãã ãå®æœäŸã 以äžã®äŸã¯èª¬æãç®çãšããŠæ¬çºæããããã«
éå®ãããã®ã§ã¯ãªãã ãã¹ãŠã®éšã¯ééåºæºã§ããã å®æœäŸ ïŒ ãšãã«ãžãšã³äžã®æ°Žãé€å»ããååŸã®äž¡æ¹ã«ã
ããŠããŒã¹ãæ§ãããã¯ããæ§ã®ç²åºŠãæããïŒ
é£ã®ãšãã«ãžãšã³ã調補ããã ãšãã«ãžãšã³éåããŠééå¹³åçŽ325000ã®æ°Žé ž
åºæ«ç«¯ãããã¯ããªãžã¡ãã«ã·ãããµã³ãå ãäœ
æãããæ°Ž54éšãäœååéç·ç¶æ°Žé žåºæ«ç«¯ããã
ã¯ããªãžã¡ãã«ã·ãããµã³æµäœ100éšãããã³30
ïŒ ã©ãŠãªã«ç¡«é žãããªãŠã ãããªãè¡šé¢æŽ»æ§å€ïŒ
éšã®æ··åç©ããã¢ãžãã€ãºãã次ãã§ããã·ã«ã
ã³ãŒã³ã¹ã«ãã³é žïŒéšãæ··åããéåããããé
ååŸã50ïŒ ãžãšãã«ã¢ãã³æ°Žæº¶æ¶²ãå ããŠãšãã«
ãžãšã³ãå¡©åºæ§ã«ããããšãã«ãžãšã³ã¯PHãçŽ10
ã§ãããåºåœ¢åã¯çŽ60ééïŒ ã§ãã€ãã äžèšãšãã«ãžãšã³300ïœïŒããªãžã¡ãã«ã·ãã
ãµã³ããªããŒ180ïœïŒãçºæ³¡é²æ¢å€0.52ïœããžãª
ã¯ãã«é«ã©ãŠã¬ãŒã觊åªã®50ïŒ æ°Žæ§ãšãã«ãžãšã³
ã®è¡šïŒã«æ²èŒããéãããã³ããšãã«ããªã¡ãã
ã·ã·ã©ã³ã®è¡šïŒã«æ²èŒããéãæ··åããŠäžé£ã®ã
ãŒã¹ããäœæãããïŒåéæ¹æåŸãè¡šïŒã«ç€ºãã
éã®çé žã«ã«ã·ãŠã 埮ç²ïŒå¹³åç²åŸçŽ0.7ÎŒmïŒã
æ··å ¥ããŠæŒãããŸã§æ··åããããããçŽïŒãïŒå
éæ··åãç¶ããŠããŒã¹ãã®åäžæ§ã確å®ã«ããã
åæ··åç©ã¯ããŒã¹ãç¶ç²æ§ã§ãã³ãŒãã³ã°æçšã«
çšããããŠããæ®éã®ããŠãŒãããæŒåºãåŸãã
ã®ã§ãã€ã åããŒã¹ãè©Šæãè¡šé¢äžã«æŒåºããŠçŽ1/16ã1/
ïŒã€ã³ãåã®è©Šæã圢æãæ°Žãèžçºãããã23âã
50ïŒ RHã§ïŒæ¥åŸã®ä¹Ÿç¥ã硬åããè©Šæã®å€èŠ³ã
è¡šïŒã«ç€ºããåè©Šæã¯ASTM D926ã«åŸã€ãŠå¯
å¡åºŠã枬å®ããŠãã®å€åœ¢å¯èœæ§ãè¡šãããã硬å
ææã®ïŒïœã®è©ŠæãããŒã«ã®åœ¢ã«æ圢ããå¯å¡åºŠ
èšã«å ¥ããŠè©Šæã«è·éãïŒåéé©çšãããïŒåã®
æéã®çµäºæã®è©Šæã®ããªã¡ãŒãã«åã®100åã
å¯å¡åºŠæ°ã§ãããããã¯è»ãããããããæŒãä»
ããè¡šé¢ã«ä»çããèªéã§ã¯æµããããããŠçŽ°ç
ããã€ãããšåŒãã¡ãããšå ãã«é³ãããŠãŠçž®ã¿
ãèŠããããè©Šæã¯æ°Žã«æµžæŒ¬ããŠã溶解ããªãã€
ããããããäŸïŒã¯äŸå€ã§æ°Žã«æº¶è§£ãããããã
ã¯è§Šåªãšæ¶æ©å€ã®äž¡æ¹ãå°éå«ãã§ããã ããã«30æ¥éèåããåŸãåã³å¯å¡åºŠã枬å®ã
ãããã®çµæãè¡šïŒã«ç€ºãã æ¯èŒäŸ ïŒ æ¶æ©å€ãšããŠã®ããšãã«ããªã¡ããã·ã·ã©ã³ã®
ç¹ææ§ã瀺ãããã«äžé£ã®æ¯èŒäŸãäœæããã äŸïŒã®æ°Žé žåºæ«ç«¯ãããã¯ããªãžã¡ãã«ã·ãã
ãµã³ãšãã«ãžãšã³300ïœãçºæ³¡é²æ¢å€0.52ïœãäŸ
ïŒã®ãžãªã¯ãã«é«ãžã©ãŠã¬ãŒããšãã«ãžãšã³0.88
ïœãããã³è¡šïŒã«ç€ºããçš®æ°ãšéã®æ¶æ©å€ãæ··å
ããŠäžé£ã®ããŒã¹ããäœæãããçŽïŒåéæ¹æã
ãåŸãäŸïŒã®çé žã«ã«ã·ãŠã 282ïœãå ããŠåäž
ã«ãªããŸã§æ··åãããåè©Šæã¯ããŒã¹ãç¶ç²åºŠã®
ãã®ã§ãã€ãã åããŒã¹ãè©ŠæãäŸïŒã®ããã«æŒåºãã也ç¥
ããè©ŠéšããŠè¡šïŒã«ç€ºãçµæãåŸãããããã®è©Š
æã®å€«ã ã¯ä¹Ÿç¥ãããšè¡šã«ç€ºãããç¹æ§ãæãã
ãšã©ã¹ãããŒçæç©ãšãªããäŸïŒã®çµæç©ã®ãã
ã«è»è³ªããã«ã¯ãªããªãã€ãã
ãè¡šã
æ¯èŒäŸ ïŒ
äŸïŒã®ããã«ããŒã¹ããäœæããããäœãããš
ãã«ããªã¡ããã·ã·ã©ã³ããšãã«ããªã¡ããã·ã·
ã©ã³ãŸãã¯ã¡ãã«ããªïŒãšãã«ã¡ãã«ã±ããã³ïŒ
ã·ã©ã³ã®ãããããšä»£ãããšãããæ°Žãé€å»ãã
ãšã硬åããŠãšã©ã¹ãããŒã«ãªã€ãã å®æœäŸ ïŒ äŸïŒã®æ°Žé žåºæ«ç«¯ããªãžãªã«ã¬ãã·ãããµã³ãš
ãã«ãžãšã³300ïœãäŸïŒã®ãžãªã¯ãã«é«ãžã©ãŠã¬
ãŒããšãã«ãžãšã³0.88ïœãããšãã«ããªã¡ããã·
ã·ã©ã³12.2ïœããã³äŸïŒã®çé žã«ã«ã·ãŠã 282ïœ
ãæ··åããŠããŒã¹ããäœæããã æŒåºãã也ç¥ãããšããææã¯ããã®ã³ã³ã·ã¹
ãã³ã·ãŒã瀺ããããã®ããã¯ä»»æã«åœ¢ç¶ã«æ圢
ããã³å€åœ¢ããããšãã§ããæ®ãã©ã®åºæã«ä»ç
ããã®ã«ååã«ç²çæ§ã§ããããåæ±ãé£ãã»ã©
ã²ã©ãã¯ãªãã€ããããã¯æ°Žã«æº¶è§£ããªãã€ãã ããŠãŒãã«8.5æéä¿ååŸããšãã«ãžãšã³è©Šæ
ãæŒåºããŠä¹Ÿç¥ããã90æ¥éèååŸãè©Šæã¯å¯å¡
床æ°ã282ã§ããããŸã éåžžã«è»ãããææã§ã
ãããšã瀺ããã ããŠãŒãã«9.5ãæä¿ååŸããšãã«ãžãšã³è©Šæ
ãæŒåºããŠä¹Ÿç¥ããã60æ¥èååŸè©Šæã®å¯å¡åºŠæ°
ã¯279ã§ãã€ãã ããŠãŒãã«8.5ãæä¿ååŸããšãã«ãžãšã³è©Šæ
ãæŒåºãã也ç¥ããèåè©Šéšæ©ã«å ¥ãããèåè©Š
éšæ©ã«526æéæŽé²åŸãè©Šæã®å¯å¡åºŠæ°ã¯396ã§ã
ã€ãã
ãã«ããªã¡ããã·ã·ã©ã³ããšãã«ããªã¡ããã·ã·
ã©ã³ãŸãã¯ã¡ãã«ããªïŒãšãã«ã¡ãã«ã±ããã³ïŒ
ã·ã©ã³ã®ãããããšä»£ãããšãããæ°Žãé€å»ãã
ãšã硬åããŠãšã©ã¹ãããŒã«ãªã€ãã å®æœäŸ ïŒ äŸïŒã®æ°Žé žåºæ«ç«¯ããªãžãªã«ã¬ãã·ãããµã³ãš
ãã«ãžãšã³300ïœãäŸïŒã®ãžãªã¯ãã«é«ãžã©ãŠã¬
ãŒããšãã«ãžãšã³0.88ïœãããšãã«ããªã¡ããã·
ã·ã©ã³12.2ïœããã³äŸïŒã®çé žã«ã«ã·ãŠã 282ïœ
ãæ··åããŠããŒã¹ããäœæããã æŒåºãã也ç¥ãããšããææã¯ããã®ã³ã³ã·ã¹
ãã³ã·ãŒã瀺ããããã®ããã¯ä»»æã«åœ¢ç¶ã«æ圢
ããã³å€åœ¢ããããšãã§ããæ®ãã©ã®åºæã«ä»ç
ããã®ã«ååã«ç²çæ§ã§ããããåæ±ãé£ãã»ã©
ã²ã©ãã¯ãªãã€ããããã¯æ°Žã«æº¶è§£ããªãã€ãã ããŠãŒãã«8.5æéä¿ååŸããšãã«ãžãšã³è©Šæ
ãæŒåºããŠä¹Ÿç¥ããã90æ¥éèååŸãè©Šæã¯å¯å¡
床æ°ã282ã§ããããŸã éåžžã«è»ãããææã§ã
ãããšã瀺ããã ããŠãŒãã«9.5ãæä¿ååŸããšãã«ãžãšã³è©Šæ
ãæŒåºããŠä¹Ÿç¥ããã60æ¥èååŸè©Šæã®å¯å¡åºŠæ°
ã¯279ã§ãã€ãã ããŠãŒãã«8.5ãæä¿ååŸããšãã«ãžãšã³è©Šæ
ãæŒåºãã也ç¥ããèåè©Šéšæ©ã«å ¥ãããèåè©Š
éšæ©ã«526æéæŽé²åŸãè©Šæã®å¯å¡åºŠæ°ã¯396ã§ã
ã€ãã
ãè¡šã
ãè¡šã
ïŒ æ¯èŒäŸ
ïŒïŒ ãšã©ã¹ãããŒã«ç¡¬å
DOTDLïŒãžãªã¯ãã«é«ãžã©ãŠã¬ãŒã
ïŒïŒ ãšã©ã¹ãããŒã«ç¡¬å
DOTDLïŒãžãªã¯ãã«é«ãžã©ãŠã¬ãŒã
Claims (1)
- ãç¹èš±è«æ±ã®ç¯å²ã ïŒ (A) 50000以äžã®ééå¹³åååéãæããé°
ã€ãªã³å®å®åããæ°Žé žåºæ«ç«¯ãããã¯ããªãžãª
ã«ã¬ãã·ãããµã³ïŒããã«ãªã«ã¬ãåºã¯åºåœã
ïŒåããå°ãªãççŽ ååãæããïŒâïŒãã«ã
ã«ãªãã¢ã«ãã«ïŒãšãã«åºãŸãã¯åºåœãïŒåã
ãå°ãªãççŽ ååãæããïŒäŸ¡ã®çåæ°ŽçŽ åºã§
ããïŒ100éééšããã®ããªãªã«ã¬ãã·ãããµ
ã³ã¯æ°Žäžã«åæ£ããç²åã®ãšãã«ãžãšã³ãšããŠ
ååšãããšãã«ãžãšã³ã¯ïŒãã倧ããPHãš50é
éïŒ ãã倧ããåºåœ¢åãæãã (B) ãžã¢ã«ãã«é«ãžã«ã«ããã·ã¬ãŒã0.05ã0.4
éééšã (C) ããšãã«ããªã¡ããã·ã·ã©ã³ïŒã12éééšã
ããã³ (D) å¹³åç²åŸïŒãã€ã¯ãã¡ãŒãã«ä»¥äžã®çé žã«ã«
ã·ãŠã ã ãæ··åããŠçæãããããŒã¹ãç¶ç²åºŠãæããæ
æããæ¬è³ªçã«ãªããæ°Žãé€å»ãããšå¯å¡åºŠæ°
125ã300ãæããæ°Žã«äžæº¶æ§ã§ããããã€èåã
ãŠãèªããçšåºŠã«ç¡¬åããªãããšãç¹åŸŽãšããã·
ãªã³ãŒã³çµæç©ã
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/729,834 US4587288A (en) | 1985-05-02 | 1985-05-02 | Silicone water-based putty |
US729834 | 1985-05-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61293259A JPS61293259A (ja) | 1986-12-24 |
JPH0482025B2 true JPH0482025B2 (ja) | 1992-12-25 |
Family
ID=24932824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61101202A Granted JPS61293259A (ja) | 1985-05-02 | 1986-05-02 | æ°Žæ§ã·ãªã³âã³ãã |
Country Status (8)
Country | Link |
---|---|
US (1) | US4587288A (ja) |
EP (1) | EP0203363B1 (ja) |
JP (1) | JPS61293259A (ja) |
KR (1) | KR930009210B1 (ja) |
AU (1) | AU581754B2 (ja) |
CA (1) | CA1276355C (ja) |
DE (1) | DE3687320T2 (ja) |
ES (1) | ES8706755A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0639568B2 (ja) * | 1985-04-24 | 1994-05-25 | æ±ã¬ã»ããŠã³ãŒãã³ã°ã»ã·ãªã³ãŒã³æ ªåŒäŒç€Ÿ | ã·ãªã³âã³æ°Žæ§ãšãã«ãžãšã³çµæç©ã®è£œé æ¹æ³ |
US4618642A (en) * | 1985-05-02 | 1986-10-21 | Dow Corning Corporation | Silicone water-based caulking material |
US4608412A (en) * | 1985-05-24 | 1986-08-26 | Dow Corning Corporation | Silicone water-based elastomeric caulking material |
FR2621921B1 (fr) * | 1987-10-20 | 1990-02-23 | Rhone Poulenc Chimie | Emulsion aqueuse de silicone pouvant reticuler en un elastomere par elimination de l'eau |
JPH075875B2 (ja) * | 1988-05-24 | 1995-01-25 | ä¿¡è¶ååŠå·¥æ¥æ ªåŒäŒç€Ÿ | äžä¹Ÿæ§ãã |
US5034455A (en) * | 1988-05-31 | 1991-07-23 | General Electric Company | Curable silicone caulk compositions |
US4877828A (en) * | 1988-05-31 | 1989-10-31 | General Electric Company | Self-bonding silicone caulking compositions |
US4929664A (en) * | 1988-12-19 | 1990-05-29 | The B.F. Goodrich Company | Crosslinkable silicone polymers with talc reinforcing agents having improved non-sag and modulus properties |
US4954565A (en) * | 1989-09-25 | 1990-09-04 | Dow Corning Corporation | Precured silicone emulsion |
CA2156989C (en) * | 1994-10-05 | 2000-07-18 | Donald L. Arrington | Process for continuously applying a water-based filler material to a substrate |
US5777026A (en) | 1995-12-28 | 1998-07-07 | Dow Corning Corporation | Surface modified silicone elastomers from aqueous silicone emulsions |
US7476789B1 (en) * | 2006-01-05 | 2009-01-13 | Nicole Suzanne Federici | Custom molded violin chinrest |
JP2011042760A (ja) * | 2009-08-24 | 2011-03-03 | Nitto Denko Corp | ç±ç¡¬åæ§ã·ãªã³ãŒã³æš¹èçšçµæç© |
US9812100B1 (en) | 2015-03-09 | 2017-11-07 | David Mobley, LLC | Individually customized musical instrument supports, customized elements, and methods for forming the same |
CN115043612B (zh) * | 2022-08-12 | 2022-11-01 | çèç亀éè§ååå¯è®Ÿè®¡é¢è¡ä»œæéå ¬åž | äžç§å¯åŒåžæžéåæ··ååé²æ€ååå ¶å¶å€æ¹æ³ |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3355406A (en) * | 1965-01-21 | 1967-11-28 | Dow Corning | Silicone rubber latexes reinforced with silsesquioxanes |
JPS5936677B2 (ja) * | 1976-05-06 | 1984-09-05 | ãâã¬ã»ã·ãªã³âã³æ ªåŒäŒç€Ÿ | ã¬ã¹ã±ãããããã³ã°çšãã€ã³ã |
US4221688A (en) * | 1978-04-28 | 1980-09-09 | Dow Corning Corporation | Silicone emulsion which provides an elastomeric product and methods for preparation |
JPS5616553A (en) * | 1979-07-18 | 1981-02-17 | Dow Corning | Silicone emulsion |
NL177499C (nl) * | 1979-08-15 | 1985-10-01 | Dow Corning | Werkwijze ter bereiding van een waterige siliconemulsie. |
US4505955A (en) * | 1981-07-30 | 1985-03-19 | Dow Corning Corporation | Mineral particles bound with silicone elastomeric emulsion |
US4427811A (en) * | 1981-12-30 | 1984-01-24 | Dow Corning Corporation | Silicone elastomeric emulsion having improved shelf life |
JPS6046141B2 (ja) * | 1981-12-30 | 1985-10-14 | ã㊠ã³âãã³ã° ã³âãã¬âã·ã§ã³ | æ¹è¯ãããä¿å寿åœãæããã·ãªã³âã³ãšã©ã¹ããâãšãã«ã·ãšã³ |
US4504621A (en) * | 1983-12-28 | 1985-03-12 | Dow Corning Corporation | Clay filled silicone elastomeric emulsions |
US4618642A (en) * | 1985-05-02 | 1986-10-21 | Dow Corning Corporation | Silicone water-based caulking material |
-
1985
- 1985-05-02 US US06/729,834 patent/US4587288A/en not_active Expired - Fee Related
-
1986
- 1986-04-03 CA CA000505762A patent/CA1276355C/en not_active Expired - Lifetime
- 1986-04-22 DE DE8686105572T patent/DE3687320T2/de not_active Expired - Fee Related
- 1986-04-22 EP EP86105572A patent/EP0203363B1/en not_active Expired - Lifetime
- 1986-04-29 ES ES554527A patent/ES8706755A1/es not_active Expired
- 1986-05-01 KR KR1019860003419A patent/KR930009210B1/ko not_active IP Right Cessation
- 1986-05-01 AU AU57013/86A patent/AU581754B2/en not_active Ceased
- 1986-05-02 JP JP61101202A patent/JPS61293259A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
EP0203363B1 (en) | 1992-12-23 |
US4587288A (en) | 1986-05-06 |
DE3687320D1 (de) | 1993-02-04 |
EP0203363A2 (en) | 1986-12-03 |
CA1276355C (en) | 1990-11-13 |
AU5701386A (en) | 1986-11-06 |
DE3687320T2 (de) | 1993-06-09 |
ES8706755A1 (es) | 1987-07-01 |
KR860009089A (ko) | 1986-12-20 |
KR930009210B1 (ko) | 1993-09-24 |
EP0203363A3 (en) | 1989-11-15 |
ES554527A0 (es) | 1987-07-01 |
AU581754B2 (en) | 1989-03-02 |
JPS61293259A (ja) | 1986-12-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR930012217B1 (ko) | ì€ëŠ¬ìœ ìê³ ìœì€í¹ ì¬ë£ | |
JPH0482025B2 (ja) | ||
EP0083153A1 (en) | Silicone elastomeric emulsion having improved shelf life | |
KR960004360B1 (ko) | ëê²°ìµíŽ ëŽì±ìŽ ê°ì ë ì€ëŠ¬ìœ ì íì¡ | |
KR100511484B1 (ko) | ìì± ì€ëŠ¬ìœ ë¶ì°ì¡ | |
JPH11349814A (ja) | 宀枩硬åæ§ã·ãªã³âã³ææããã³ãã®äœ¿çš | |
KR930012216B1 (ko) | ì€ëŠ¬ìœìŽ 묌 죌ì¬ì íì± ìœì€í¹ ì¡°ì±ë¬Œ | |
JPH01152155A (ja) | å å¡«å€å«æçµæç© | |
US5442027A (en) | Moisture curable organosiloxane compositions exhibiting extended workability | |
EP0640645B1 (en) | Precured silicone emulsion | |
US5624997A (en) | Precured silicone emulsion | |
JP2554338B2 (ja) | ã·ãªã³âã³ã»ãšã©ã¹ããâã®æ¥çæ¹è¯æ³ | |
JPS6046141B2 (ja) | æ¹è¯ãããä¿å寿åœãæããã·ãªã³âã³ãšã©ã¹ããâãšãã«ã·ãšã³ | |
EP0787780B1 (en) | Use of stabilizer for polysiloxane compositions | |
JPH07743B2 (ja) | 硬åæ§ã·ãªã³ãŒã³ã©ããã¯ã¹çµæç© | |
CA1334456C (en) | Shelf stable silicone caulking materials |