CH647965A5 - Verfahren zum giessen von leichtmetallen. - Google Patents

Verfahren zum giessen von leichtmetallen. Download PDF

Info

Publication number: CH647965A5
Authority: CH; Switzerland
Prior art keywords: aminopolyol; sand; casting; polyisocyanate; binder
Prior art date: 1978-06-14

Application number

CH5394/79A

Other languages

German (de)

English (en)

Inventor

Robert J Schafer

Young D Kim

John J Gardikes

Original Assignee

Ashland Oil Inc

Priority date (The priority date 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 date listed.)

1978-06-14

Filing date

1979-06-08

Publication date

1985-02-28

1979-06-08 Application filed by Ashland Oil Inc filed Critical Ashland Oil Inc

1985-02-28 Publication of CH647965A5 publication Critical patent/CH647965A5/de

Links

238000005266 casting Methods 0.000 title claims description 94
238000000034 method Methods 0.000 title claims description 26
229910052751 metal Inorganic materials 0.000 title claims description 20
239000002184 metal Substances 0.000 title claims description 20
150000002739 metals Chemical class 0.000 title claims description 8
239000004576 sand Substances 0.000 claims description 77
239000005056 polyisocyanate Substances 0.000 claims description 65
229920001228 polyisocyanate Polymers 0.000 claims description 63
239000000203 mixture Substances 0.000 claims description 45
239000003054 catalyst Substances 0.000 claims description 44
229910052782 aluminium Inorganic materials 0.000 claims description 43
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 43
GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 20
150000001412 amines Chemical class 0.000 claims description 20
125000002947 alkylene group Chemical group 0.000 claims description 13
JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 11
239000000654 additive Substances 0.000 claims description 10
230000000996 additive effect Effects 0.000 claims description 9
238000000465 moulding Methods 0.000 claims description 9
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 7
239000007795 chemical reaction product Substances 0.000 claims description 6
PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 5
238000005058 metal casting Methods 0.000 claims description 4
229910021529 ammonia Inorganic materials 0.000 claims description 3
239000003960 organic solvent Substances 0.000 claims description 3
VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 2
RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 2
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 2
150000004982 aromatic amines Chemical class 0.000 claims description 2
239000007864 aqueous solution Substances 0.000 claims 1
ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims 1
239000000243 solution Substances 0.000 claims 1
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 105
239000011162 core material Substances 0.000 description 79
239000011230 binding agent Substances 0.000 description 72
229920005862 polyol Polymers 0.000 description 48
150000003077 polyols Chemical class 0.000 description 38
239000002904 solvent Substances 0.000 description 28
210000000988 bone and bone Anatomy 0.000 description 27
-1 ferrous metals Chemical class 0.000 description 24
HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 description 23
239000012948 isocyanate Substances 0.000 description 20
150000002513 isocyanates Chemical class 0.000 description 20
150000003512 tertiary amines Chemical class 0.000 description 17
ZQISRDCJNBUVMM-YFKPBYRVSA-N L-histidinol Chemical compound OC[C@@H](N)CC1=CNC=N1 ZQISRDCJNBUVMM-YFKPBYRVSA-N 0.000 description 16
239000007787 solid Substances 0.000 description 14
239000003849 aromatic solvent Substances 0.000 description 13
229920005989 resin Polymers 0.000 description 13
239000011347 resin Substances 0.000 description 13
238000004519 manufacturing process Methods 0.000 description 12
GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 12
125000003118 aryl group Chemical group 0.000 description 11
238000006243 chemical reaction Methods 0.000 description 11
125000002887 hydroxy group Chemical group [H]O* 0.000 description 10
239000003350 kerosene Substances 0.000 description 10
238000002156 mixing Methods 0.000 description 9
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
229910002092 carbon dioxide Inorganic materials 0.000 description 7
238000001816 cooling Methods 0.000 description 7
238000003958 fumigation Methods 0.000 description 7
IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 7
QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 6
239000006004 Quartz sand Substances 0.000 description 6
ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
239000011248 coating agent Substances 0.000 description 6
238000000576 coating method Methods 0.000 description 6
150000001875 compounds Chemical class 0.000 description 6
230000008569 process Effects 0.000 description 6
238000007790 scraping Methods 0.000 description 6
238000013019 agitation Methods 0.000 description 5
239000007788 liquid Substances 0.000 description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
NQBXSWAWVZHKBZ-UHFFFAOYSA-N 2-butoxyethyl acetate Chemical compound CCCCOCCOC(C)=O NQBXSWAWVZHKBZ-UHFFFAOYSA-N 0.000 description 4
PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 4
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
229920002176 Pluracol® Polymers 0.000 description 4
239000001569 carbon dioxide Substances 0.000 description 4
125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 4
DYDNPESBYVVLBO-UHFFFAOYSA-N formanilide Chemical compound O=CNC1=CC=CC=C1 DYDNPESBYVVLBO-UHFFFAOYSA-N 0.000 description 4
229910052749 magnesium Inorganic materials 0.000 description 4
239000011777 magnesium Substances 0.000 description 4
DAZXVJBJRMWXJP-UHFFFAOYSA-N n,n-dimethylethylamine Chemical compound CCN(C)C DAZXVJBJRMWXJP-UHFFFAOYSA-N 0.000 description 4
125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 4
239000000047 product Substances 0.000 description 4
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
125000001931 aliphatic group Chemical group 0.000 description 3
239000012159 carrier gas Substances 0.000 description 3
239000002798 polar solvent Substances 0.000 description 3
229920005903 polyol mixture Polymers 0.000 description 3
230000009257 reactivity Effects 0.000 description 3
WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 2
UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 2
239000004484 Briquette Substances 0.000 description 2
YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
QORUGOXNWQUALA-UHFFFAOYSA-N N=C=O.N=C=O.N=C=O.C1=CC=C(C(C2=CC=CC=C2)C2=CC=CC=C2)C=C1 Chemical compound N=C=O.N=C=O.N=C=O.C1=CC=C(C(C2=CC=CC=C2)C2=CC=CC=C2)C=C1 QORUGOXNWQUALA-UHFFFAOYSA-N 0.000 description 2
NSOXQYCFHDMMGV-UHFFFAOYSA-N Tetrakis(2-hydroxypropyl)ethylenediamine Chemical compound CC(O)CN(CC(C)O)CCN(CC(C)O)CC(C)O NSOXQYCFHDMMGV-UHFFFAOYSA-N 0.000 description 2
GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
238000005299 abrasion Methods 0.000 description 2
238000009835 boiling Methods 0.000 description 2
239000012973 diazabicyclooctane Substances 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
239000011261 inert gas Substances 0.000 description 2
238000007689 inspection Methods 0.000 description 2
239000000463 material Substances 0.000 description 2
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
239000002245 particle Substances 0.000 description 2
125000000467 secondary amino group Chemical class [H]N([*:1])[*:2] 0.000 description 2
239000011877 solvent mixture Substances 0.000 description 2
125000001302 tertiary amino group Chemical group 0.000 description 2
AGGKEGLBGGJEBZ-UHFFFAOYSA-N tetramethylenedisulfotetramine Chemical compound C1N(S2(=O)=O)CN3S(=O)(=O)N1CN2C3 AGGKEGLBGGJEBZ-UHFFFAOYSA-N 0.000 description 2
229960004418 trolamine Drugs 0.000 description 2
FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 1
GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 1
SBJCUZQNHOLYMD-UHFFFAOYSA-N 1,5-Naphthalene diisocyanate Chemical compound C1=CC=C2C(N=C=O)=CC=CC2=C1N=C=O SBJCUZQNHOLYMD-UHFFFAOYSA-N 0.000 description 1
JJJPNTQYUJPWGQ-UHFFFAOYSA-N 2-(3-Phenylpropyl)pyridine Chemical compound C=1C=CC=NC=1CCCC1=CC=CC=C1 JJJPNTQYUJPWGQ-UHFFFAOYSA-N 0.000 description 1
JTXMVXSTHSMVQF-UHFFFAOYSA-N 2-acetyloxyethyl acetate Chemical compound CC(=O)OCCOC(C)=O JTXMVXSTHSMVQF-UHFFFAOYSA-N 0.000 description 1
POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 description 1
239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 1
CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
229920000538 Poly[(phenyl isocyanate)-co-formaldehyde] Polymers 0.000 description 1
230000009471 action Effects 0.000 description 1
239000003570 air Substances 0.000 description 1
125000002723 alicyclic group Chemical group 0.000 description 1
125000003545 alkoxy group Chemical group 0.000 description 1
150000003973 alkyl amines Chemical class 0.000 description 1
125000003282 alkyl amino group Chemical group 0.000 description 1
125000003277 amino group Chemical group 0.000 description 1
150000001491 aromatic compounds Chemical class 0.000 description 1
150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
230000003197 catalytic effect Effects 0.000 description 1
235000013339 cereals Nutrition 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
230000001427 coherent effect Effects 0.000 description 1
239000000470 constituent Substances 0.000 description 1
230000008878 coupling Effects 0.000 description 1
238000010168 coupling process Methods 0.000 description 1
238000005859 coupling reaction Methods 0.000 description 1
229920006037 cross link polymer Polymers 0.000 description 1
229960002887 deanol Drugs 0.000 description 1
150000004985 diamines Chemical class 0.000 description 1
239000012972 dimethylethanolamine Substances 0.000 description 1
SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
238000009826 distribution Methods 0.000 description 1
TTZNHSISALZPTM-UHFFFAOYSA-N ethane-1,2-diamine;2-methyloxirane Chemical compound CC1CO1.NCCN TTZNHSISALZPTM-UHFFFAOYSA-N 0.000 description 1
239000000835 fiber Substances 0.000 description 1
235000013312 flour Nutrition 0.000 description 1
125000000524 functional group Chemical group 0.000 description 1
239000007789 gas Substances 0.000 description 1
RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
230000006872 improvement Effects 0.000 description 1
230000000977 initiatory effect Effects 0.000 description 1
230000007794 irritation Effects 0.000 description 1
IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
229910003002 lithium salt Inorganic materials 0.000 description 1
159000000002 lithium salts Chemical class 0.000 description 1
239000002075 main ingredient Substances 0.000 description 1
239000003863 metallic catalyst Substances 0.000 description 1
239000012046 mixed solvent Substances 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
239000005011 phenolic resin Substances 0.000 description 1
229920001568 phenolic resin Polymers 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
150000003141 primary amines Chemical class 0.000 description 1
239000011342 resin composition Substances 0.000 description 1
229910052814 silicon oxide Inorganic materials 0.000 description 1
150000005846 sugar alcohols Polymers 0.000 description 1
125000004149 thio group Chemical group *S* 0.000 description 1
DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
229960001124 trientine Drugs 0.000 description 1
239000002023 wood Substances 0.000 description 1
230000003245 working effect Effects 0.000 description 1
239000008096 xylene Substances 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
- B22C1/162—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents use of a gaseous treating agent for hardening the binder
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
- B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
- B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
- B22C1/2233—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- B22C1/2273—Polyurethanes; Polyisocyanates
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3271—Hydroxyamines
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3271—Hydroxyamines
- C08G18/3278—Hydroxyamines containing at least three hydroxy groups
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3271—Hydroxyamines
- C08G18/329—Hydroxyamines containing aromatic groups
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/50—Polyethers having heteroatoms other than oxygen
- C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
- C08G18/5033—Polyethers having heteroatoms other than oxygen having nitrogen containing carbocyclic groups

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Mold Materials And Core Materials (AREA)
Polyurethanes Or Polyureas (AREA)
Ceramic Products (AREA)

CH5394/79A 1978-06-14 1979-06-08 Verfahren zum giessen von leichtmetallen. CH647965A5 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US91563078A	1978-06-14	1978-06-14
US91541378A	1978-06-14	1978-06-14

Publications (1)

Publication Number	Publication Date
CH647965A5 true CH647965A5 (de)	1985-02-28

Family

ID=27129668

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH5394/79A CH647965A5 (de)	1978-06-14	1979-06-08	Verfahren zum giessen von leichtmetallen.

Country Status (6)

Country	Link
CH (1)	CH647965A5 (no)
DE (1)	DE2923131C2 (no)
DK (1)	DK170551B1 (no)
GB (1)	GB2024232B (no)
NO (1)	NO155997C (no)
SE (1)	SE446098C (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4352914A (en) *	1980-10-06	1982-10-05	Mitsubishi Petrochemical Company Limited	Binder composition for foundry sand molds and cores
DE10318740A1 (de) *	2003-04-25	2004-11-11	Bayer Materialscience Ag	Polyurethan-Formulierungen und ihre Verwendung
US7416785B2 (en) *	2004-05-26	2008-08-26	Basf Corporation	Polyurethane-encapsulated particle comprising polyol derived from aromatic amine-based initiator
DE102009024182B3 (de) *	2009-06-08	2011-03-03	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Verfahren zur Bildung und zum Entformen einer Form und/oder eines Kerns beim Formguss
EP2734320B1 (en) *	2011-07-19	2016-11-16	Ask Chemicals L. P.	Method for curing cold-box foundry shape with gaseous catalyst

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3485797A (en) *	1966-03-14	1969-12-23	Ashland Oil Inc	Phenolic resins containing benzylic ether linkages and unsubstituted para positions
US3429848A (en) *	1966-08-01	1969-02-25	Ashland Oil Inc	Foundry binder composition comprising benzylic ether resin,polyisocyanate,and tertiary amine
US3645942A (en) *	1970-04-29	1972-02-29	Quaker Oats Co	Foundry process using a propoxylated toluene diamine as an extender with a castor oil-aromatic diisocyanate prepolymer
US3676392A (en) *	1971-01-26	1972-07-11	Ashland Oil Inc	Resin compositions
US3933727A (en) *	1972-09-26	1976-01-20	Ab Bofors	Method of producing polyurethane-based cores and moulds according to the so-called cold-box procedure
JPS5480234A (en) *	1977-12-09	1979-06-26	Nissan Motor	Resin composition for binding cast sand particles

1979
- 1979-05-30 GB GB7918769A patent/GB2024232B/en not_active Expired
- 1979-06-07 DE DE2923131A patent/DE2923131C2/de not_active Expired
- 1979-06-08 DK DK240879A patent/DK170551B1/da not_active IP Right Cessation
- 1979-06-08 NO NO791925A patent/NO155997C/no unknown
- 1979-06-08 SE SE7905016A patent/SE446098C/sv not_active IP Right Cessation
- 1979-06-08 CH CH5394/79A patent/CH647965A5/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
DK240879A (da)	1979-12-15
NO155997B (no)	1987-03-30
DE2923131C2 (de)	1985-05-23
GB2024232B (en)	1983-01-19
NO155997C (no)	1987-07-08
GB2024232A (en)	1980-01-09
SE446098C (sv)	1987-10-20
SE7905016L (sv)	1979-12-15
DE2923131A1 (de)	1980-01-03
SE446098B (sv)	1986-08-11
NO791925L (no)	1979-12-17
DK170551B1 (da)	1995-10-23

Legal Events

Date	Code	Title	Description
1999-02-15	PL	Patent ceased

Publication	Publication Date	Title
DE2953697C2 (no)	1989-07-06
DE3017925A1 (de)	1980-11-13	Bindemittel fuer formstoffmischungen zum giessen von leichtmetallen, verfahren zur herstellung von giessformen und kernen und giessverfahren fuer leichtmetalle
DE2348226A1 (de)	1974-03-28	Verfahren zur herstellung von gusskernen und formen
DE19925115A1 (de)	2000-12-07	Bindemittelsystem für Formstoff-Mischungen zur Herstellung von Formen und Kernen
DE1595577C3 (de)	1975-10-16	Verfahren zur Herstellung von PoIyurethan-Polyhamstoff-Elastomeren
DE2205437A1 (no)	1972-08-10
DE102006036381A1 (de)	2008-02-07	Formstoff, Gießerei-Formstoff-Gemisch und Verfahren zur Herstellung einer Form oder eines Formlings
DE68922996T2 (de)	1996-04-18	Giessereiharze.
DE2651806A1 (de)	1977-05-18	Giessereikernmischung
DE2116331A1 (de)	1971-11-11	Fonnherstellungsverfahren
EP3504255B1 (de)	2020-11-11	Verfahren zum schichtweisen aufbau von formkörpern mit einem novolak-polyurethan basiertem bindersystem
CH647965A5 (de)	1985-02-28	Verfahren zum giessen von leichtmetallen.
US4448907A (en)	1984-05-15	Process for casting lightweight metals
US4370463A (en)	1983-01-25	Process for no-bake foundry application utilizing polyurethanes based on amine polyols
CA1134989A (en)	1982-11-02	Cold hardening binder for material mixtures for the production of casting moulds and cores
DE2925733A1 (de)	1981-01-15	Bindemittel auf polyurethanbasis, sowie dessen herstellung
DE2906052A1 (de)	1979-08-30	Bindemittel, verfahren zu seiner herstellung und seine verwendung
DE3445687A1 (de)	1986-06-19	Unter polyurethanbildung kalthaertendes formstoff-bindemittelsystem
DD148019A5 (de)	1981-05-06	Kalthaertendes bindemittel fuer teilchenfoermige feststoffe,insbesondere giessereisand
DE2924439A1 (de)	1980-01-10	Gusskernmischung
DE2711052A1 (de)	1977-09-22	Kalthaertender formstoff zur herstellung von giessformen und kernen
DE2428547A1 (de)	1976-01-02	Mit harz ueberzogener sand
DE1518412C3 (de)	1973-09-27	Härten flüssiger Polyurethanvorpolymerer
DE112004000711T5 (de)	2006-10-19	Urethanbindemittelzusammensetzungen für Gießanwendungen
EP0275949A2 (de)	1988-07-27	Verfahren zur Herstellung von lackierfähigen Formteilen aus Polyisocyanat-Polyadditionsprodukten