BINDERS FOR FOUNDRY CORES AND MOULDS

A binder for a foundry mould or core comprises an alkali metal salt of a polyvalent organic acid or a polymerised monovalent organic acid, for example sodium polyacrylate, and an alkaline earth hydroxide such as calcium hydroxide, together with a suitable solvent. Up to 80% of the calcium hydroxide...

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1. Verfasser:	MORLEY, JOHN G
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ARTIFICIAL STONE CASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE FOUNDRY MOULDING LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS POWDER METALLURGY REFRACTORIES SLAG TRANSPORTING TREATMENT OF NATURAL STONE
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creator	MORLEY, JOHN G
description	A binder for a foundry mould or core comprises an alkali metal salt of a polyvalent organic acid or a polymerised monovalent organic acid, for example sodium polyacrylate, and an alkaline earth hydroxide such as calcium hydroxide, together with a suitable solvent. Up to 80% of the calcium hydroxide may be replaced by a polyvalent metal oxide or hydroxide. The mixture may include small proportions of other materials, such as aluminium sulphate. It is important that the pH of the organic acid salt solution before mixing with the alkaline earth hydroxide should not be too high and it should preferably be between 5 and 8, in particular between 5.7 and 6.6.
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Up to 80% of the calcium hydroxide may be replaced by a polyvalent metal oxide or hydroxide. The mixture may include small proportions of other materials, such as aluminium sulphate. It is important that the pH of the organic acid salt solution before mixing with the alkaline earth hydroxide should not be too high and it should preferably be between 5 and 8, in particular between 5.7 and 6.6.</description><edition>4</edition><language>eng ; fre</language><subject>ARTIFICIAL STONE ; CASTING ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; CONCRETE ; FOUNDRY MOULDING ; LIME, MAGNESIA ; METALLURGY ; PERFORMING OPERATIONS ; POWDER METALLURGY ; REFRACTORIES ; SLAG ; TRANSPORTING ; TREATMENT OF NATURAL STONE</subject><creationdate>1986</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19860506&DB=EPODOC&CC=CA&NR=1203966A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19860506&DB=EPODOC&CC=CA&NR=1203966A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MORLEY, JOHN G</creatorcontrib><title>BINDERS FOR FOUNDRY CORES AND MOULDS</title><description>A binder for a foundry mould or core comprises an alkali metal salt of a polyvalent organic acid or a polymerised monovalent organic acid, for example sodium polyacrylate, and an alkaline earth hydroxide such as calcium hydroxide, together with a suitable solvent. Up to 80% of the calcium hydroxide may be replaced by a polyvalent metal oxide or hydroxide. The mixture may include small proportions of other materials, such as aluminium sulphate. It is important that the pH of the organic acid salt solution before mixing with the alkaline earth hydroxide should not be too high and it should preferably be between 5 and 8, in particular between 5.7 and 6.6.</description><subject>ARTIFICIAL STONE</subject><subject>CASTING</subject><subject>CEMENTS</subject><subject>CERAMICS</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</subject><subject>CONCRETE</subject><subject>FOUNDRY MOULDING</subject><subject>LIME, MAGNESIA</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>POWDER METALLURGY</subject><subject>REFRACTORIES</subject><subject>SLAG</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF NATURAL STONE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1986</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFBx8vRzcQ0KVnDzDwLiUD-XoEgFZ_8g12AFRz8XBV__UB-XYB4G1rTEnOJUXijNzSDv5hri7KGbWpAfn1pckJicmpdaEu_saGhkYGxpZuZoTFgFAOpwIfs</recordid><startdate>19860506</startdate><enddate>19860506</enddate><creator>MORLEY, JOHN G</creator><scope>EVB</scope></search><sort><creationdate>19860506</creationdate><title>BINDERS FOR FOUNDRY CORES AND MOULDS</title><author>MORLEY, JOHN G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA1203966A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>1986</creationdate><topic>ARTIFICIAL STONE</topic><topic>CASTING</topic><topic>CEMENTS</topic><topic>CERAMICS</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</topic><topic>CONCRETE</topic><topic>FOUNDRY MOULDING</topic><topic>LIME, MAGNESIA</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>POWDER METALLURGY</topic><topic>REFRACTORIES</topic><topic>SLAG</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF NATURAL STONE</topic><toplevel>online_resources</toplevel><creatorcontrib>MORLEY, JOHN G</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MORLEY, JOHN G</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>BINDERS FOR FOUNDRY CORES AND MOULDS</title><date>1986-05-06</date><risdate>1986</risdate><abstract>A binder for a foundry mould or core comprises an alkali metal salt of a polyvalent organic acid or a polymerised monovalent organic acid, for example sodium polyacrylate, and an alkaline earth hydroxide such as calcium hydroxide, together with a suitable solvent. 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subjects	ARTIFICIAL STONE CASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE FOUNDRY MOULDING LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS POWDER METALLURGY REFRACTORIES SLAG TRANSPORTING TREATMENT OF NATURAL STONE
title	BINDERS FOR FOUNDRY CORES AND MOULDS
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