Rapid setting polyurethane compsns - useful for cast products manfr
Urethane elastomer of density is not 1 g./cc. is prepd. from (a) a (ester modified) polyether polyol having 3-4 OH gps. per molecule and a mol. wt. is not 2,000, (b) a liq. accelerator-extender such as glycerine, (di)ethylene glycol, dipropylene glycol or the reaction prodt. of glycerine or pentaery...
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| creator | BOB PARRISH,DONALD OLSTOWSKI,FRANCISZEK |
| description | Urethane elastomer of density is not 1 g./cc. is prepd. from (a) a (ester modified) polyether polyol having 3-4 OH gps. per molecule and a mol. wt. is not 2,000, (b) a liq. accelerator-extender such as glycerine, (di)ethylene glycol, dipropylene glycol or the reaction prodt. of glycerine or pentaerythritol with an alkylene oxide or epihalohydrin in a ratio to provide 1-2 moles of alkylene oxide or epihalohydrin per OH of glycerine or pentaerythritol, (c) a liquid isocyanate terminated prepolymer prped. from a stoichiometric excess of a polyisocyanate with a polyhydroxy cpd. having 2-3 OH gps. and a mol. wt. 62-600, the prepolymer having NCO content 10-50wt. %, and (d) an organometallic catalyst where components (a) and (b) are present in quantities which provide a OH equiv. ratio of (b):(a) of is not 1:1 and 20: 1, the (c) provides NCO equiv. to OH equiv. present in (c) and (b) of 0.75:1-1.5:1 and (d) is used in at is not 0.3wt.% on sum of all four components. The compsn. provides fast-setting polyurethane cast elastomers. |
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The compsn. provides fast-setting polyurethane cast elastomers.</description><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1974</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyjEOwjAMAMAsDKjwB3-gEhB1YERtUWfEXlmpA5VSx4qdgd-z8ACmW27v-gfKuoCS2covkJw-tZC9kQlC3kRZoYWqFGuCmAsEVAMpeanBFDbkWA5uFzEpHX82Du7js59akjyTCgZisnkYL_507Xx3O_s_yhcuoTIc</recordid><startdate>19740829</startdate><enddate>19740829</enddate><creator>BOB PARRISH,DONALD</creator><creator>OLSTOWSKI,FRANCISZEK</creator><scope>EVB</scope></search><sort><creationdate>19740829</creationdate><title>Rapid setting polyurethane compsns - useful for cast products manfr</title><author>BOB PARRISH,DONALD ; OLSTOWSKI,FRANCISZEK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DE2309535A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; ger</language><creationdate>1974</creationdate><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>BOB PARRISH,DONALD</creatorcontrib><creatorcontrib>OLSTOWSKI,FRANCISZEK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BOB PARRISH,DONALD</au><au>OLSTOWSKI,FRANCISZEK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Rapid setting polyurethane compsns - useful for cast products manfr</title><date>1974-08-29</date><risdate>1974</risdate><abstract>Urethane elastomer of density is not 1 g./cc. is prepd. from (a) a (ester modified) polyether polyol having 3-4 OH gps. per molecule and a mol. wt. is not 2,000, (b) a liq. accelerator-extender such as glycerine, (di)ethylene glycol, dipropylene glycol or the reaction prodt. of glycerine or pentaerythritol with an alkylene oxide or epihalohydrin in a ratio to provide 1-2 moles of alkylene oxide or epihalohydrin per OH of glycerine or pentaerythritol, (c) a liquid isocyanate terminated prepolymer prped. from a stoichiometric excess of a polyisocyanate with a polyhydroxy cpd. having 2-3 OH gps. and a mol. wt. 62-600, the prepolymer having NCO content 10-50wt. %, and (d) an organometallic catalyst where components (a) and (b) are present in quantities which provide a OH equiv. ratio of (b):(a) of is not 1:1 and 20: 1, the (c) provides NCO equiv. to OH equiv. present in (c) and (b) of 0.75:1-1.5:1 and (d) is used in at is not 0.3wt.% on sum of all four components. The compsn. provides fast-setting polyurethane cast elastomers.</abstract><edition>1</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Rapid setting polyurethane compsns - useful for cast products manfr |
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