JPH0557057B2 - - Google Patents
Info
- Publication number
- JPH0557057B2 JPH0557057B2 JP63209291A JP20929188A JPH0557057B2 JP H0557057 B2 JPH0557057 B2 JP H0557057B2 JP 63209291 A JP63209291 A JP 63209291A JP 20929188 A JP20929188 A JP 20929188A JP H0557057 B2 JPH0557057 B2 JP H0557057B2
- Authority
- JP
- Japan
- Prior art keywords
- urea
- solution
- temperature range
- polyvinyl alcohol
- molded product
- 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
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 15
- 239000004202 carbamide Substances 0.000 claims description 15
- 230000005496 eutectics Effects 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000005495 investment casting Methods 0.000 claims description 5
- 239000000243 solution Substances 0.000 description 11
- 230000008023 solidification Effects 0.000 description 9
- 238000007711 solidification Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 238000007710 freezing Methods 0.000 description 4
- 230000001771 impaired effect Effects 0.000 description 4
- 239000005711 Benzoic acid Substances 0.000 description 3
- 235000010233 benzoic acid Nutrition 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 239000004471 Glycine Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 159000000009 barium salts Chemical class 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- CSKNSYBAZOQPLR-UHFFFAOYSA-N benzenesulfonyl chloride Chemical compound ClS(=O)(=O)C1=CC=CC=C1 CSKNSYBAZOQPLR-UHFFFAOYSA-N 0.000 description 1
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63209291A JPH0255638A (ja) | 1988-08-22 | 1988-08-22 | 精密鋳造用模型材 |
| US07/274,826 US4939187A (en) | 1988-08-22 | 1988-11-22 | Pattern material for making foundry patterns for use in investment casting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63209291A JPH0255638A (ja) | 1988-08-22 | 1988-08-22 | 精密鋳造用模型材 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0255638A JPH0255638A (ja) | 1990-02-26 |
| JPH0557057B2 true JPH0557057B2 (https=) | 1993-08-23 |
Family
ID=16570513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63209291A Granted JPH0255638A (ja) | 1988-08-22 | 1988-08-22 | 精密鋳造用模型材 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4939187A (https=) |
| JP (1) | JPH0255638A (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5180795A (en) * | 1990-08-02 | 1993-01-19 | Borden, Inc. | Retarders for hardening phenolic resins |
| US5096983A (en) * | 1990-08-02 | 1992-03-17 | Borden, Inc. | Method for making a phenolic resole resin composition having extended work life |
| CA2062358A1 (en) * | 1991-05-13 | 1992-11-14 | Borden Chemical, Inc. | Extended mix life magnesia aggregates for brick and gunning mixes |
| JP3152326B2 (ja) * | 1993-12-24 | 2001-04-03 | 株式会社ケーネットシステムズ | 積層造形方法および積層造形装置 |
| US5605943A (en) * | 1995-10-20 | 1997-02-25 | M. Argueso & Company, Inc. | Pattern forming thermoplastic composition cores containing fluorescing dye, patterns thereof and processes related thereto |
| US5811476A (en) * | 1996-10-04 | 1998-09-22 | Solomon; Paul | Aqueous gel-filled thermoplastic pattern-forming compositions and related methods |
| DE102009014794B3 (de) * | 2009-03-28 | 2010-11-11 | Danfoss Silicon Power Gmbh | Verfahren zum Herstellen eines für Hochvoltanwendungen geeigneten festen Leistungsmoduls und damit hergestelltes Leistungsmodul |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB934087A (en) * | 1960-12-08 | 1963-08-14 | Kurashiki Rayon Kk | Method of manufacturing water soluble polyvinyl alcohol derivatives |
| CH572368A5 (https=) * | 1973-03-28 | 1976-02-13 | Sulzer Ag |
-
1988
- 1988-08-22 JP JP63209291A patent/JPH0255638A/ja active Granted
- 1988-11-22 US US07/274,826 patent/US4939187A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4939187A (en) | 1990-07-03 |
| JPH0255638A (ja) | 1990-02-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080823 Year of fee payment: 15 |
|
| EXPY | Cancellation because of completion of term |