HEAT-SENSITIVE RECORD MATERIAL AND MICROCAPSULE

The invention describes a heat-sensitive record system employing capsules formed of excess polyisocyanate compared to the stoichiometric quantity needed for encapsulation. The microcapsules comprise an integral outer wall material and an open-pore sponge-like networked core extending from the wall m...

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1. Verfasser:	KALISHEK, ROBERT J
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	COLOUR PRINTING LINING MACHINES PERFORMING OPERATIONS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS
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creator	KALISHEK, ROBERT J
description	The invention describes a heat-sensitive record system employing capsules formed of excess polyisocyanate compared to the stoichiometric quantity needed for encapsulation. The microcapsules comprise an integral outer wall material and an open-pore sponge-like networked core extending from the wall material into the microcapsule and defined by a plurality of substantially discrete but extensively interconnected void spaces, a core material filling said void spaces, said microcapsule being a reaction product of an excess, compared to a stoichiometric amount for effecting encapsulation, of a polyisocyanate having a functionality greater than two with an active hydrogen-containing compound, said microcapsule being of less than 500 microns diameter and having a void volume of from 60% to 80% by volume.
format	Patent
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The microcapsules comprise an integral outer wall material and an open-pore sponge-like networked core extending from the wall material into the microcapsule and defined by a plurality of substantially discrete but extensively interconnected void spaces, a core material filling said void spaces, said microcapsule being a reaction product of an excess, compared to a stoichiometric amount for effecting encapsulation, of a polyisocyanate having a functionality greater than two with an active hydrogen-containing compound, said microcapsule being of less than 500 microns diameter and having a void volume of from 60% to 80% by volume.</description><edition>6</edition><language>eng ; fre</language><subject>COLOUR PRINTING ; LINING MACHINES ; PERFORMING OPERATIONS ; PRINTING ; PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES ; STAMPS ; TRANSPORTING ; TYPEWRITERS</subject><creationdate>1997</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=19970812&DB=EPODOC&CC=CA&NR=1339248C$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19970812&DB=EPODOC&CC=CA&NR=1339248C$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KALISHEK, ROBERT J</creatorcontrib><title>HEAT-SENSITIVE RECORD MATERIAL AND MICROCAPSULE</title><description>The invention describes a heat-sensitive record system employing capsules formed of excess polyisocyanate compared to the stoichiometric quantity needed for encapsulation. The microcapsules comprise an integral outer wall material and an open-pore sponge-like networked core extending from the wall material into the microcapsule and defined by a plurality of substantially discrete but extensively interconnected void spaces, a core material filling said void spaces, said microcapsule being a reaction product of an excess, compared to a stoichiometric amount for effecting encapsulation, of a polyisocyanate having a functionality greater than two with an active hydrogen-containing compound, said microcapsule being of less than 500 microns diameter and having a void volume of from 60% to 80% by volume.</description><subject>COLOUR PRINTING</subject><subject>LINING MACHINES</subject><subject>PERFORMING OPERATIONS</subject><subject>PRINTING</subject><subject>PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES</subject><subject>STAMPS</subject><subject>TRANSPORTING</subject><subject>TYPEWRITERS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1997</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZND3cHUM0Q129Qv2DPEMc1UIcnX2D3JR8HUMcQ3ydPRRcPQDcjydg_ydHQOCQ31ceRhY0xJzilN5oTQ3g7yba4izh25qQX58anFBYnJqXmpJvLOjobGxpZGJhbMxYRUAd98lKQ</recordid><startdate>19970812</startdate><enddate>19970812</enddate><creator>KALISHEK, ROBERT J</creator><scope>EVB</scope></search><sort><creationdate>19970812</creationdate><title>HEAT-SENSITIVE RECORD MATERIAL AND MICROCAPSULE</title><author>KALISHEK, ROBERT J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA1339248C3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>1997</creationdate><topic>COLOUR PRINTING</topic><topic>LINING MACHINES</topic><topic>PERFORMING OPERATIONS</topic><topic>PRINTING</topic><topic>PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES</topic><topic>STAMPS</topic><topic>TRANSPORTING</topic><topic>TYPEWRITERS</topic><toplevel>online_resources</toplevel><creatorcontrib>KALISHEK, ROBERT J</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KALISHEK, ROBERT J</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>HEAT-SENSITIVE RECORD MATERIAL AND MICROCAPSULE</title><date>1997-08-12</date><risdate>1997</risdate><abstract>The invention describes a heat-sensitive record system employing capsules formed of excess polyisocyanate compared to the stoichiometric quantity needed for encapsulation. The microcapsules comprise an integral outer wall material and an open-pore sponge-like networked core extending from the wall material into the microcapsule and defined by a plurality of substantially discrete but extensively interconnected void spaces, a core material filling said void spaces, said microcapsule being a reaction product of an excess, compared to a stoichiometric amount for effecting encapsulation, of a polyisocyanate having a functionality greater than two with an active hydrogen-containing compound, said microcapsule being of less than 500 microns diameter and having a void volume of from 60% to 80% by volume.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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language	eng ; fre
recordid	cdi_epo_espacenet_CA1339248C
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subjects	COLOUR PRINTING LINING MACHINES PERFORMING OPERATIONS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS
title	HEAT-SENSITIVE RECORD MATERIAL AND MICROCAPSULE
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